From f5c16f2e7a0ec583ce518c28970ee4d44326321c Mon Sep 17 00:00:00 2001 From: tomato5040 <83554828+tomato5040@users.noreply.github.com> Date: Thu, 13 May 2021 14:24:09 -0500 Subject: [PATCH 01/24] Delete ext/crow directory --- ext/crow/crow.h | 23 - ext/crow/crow/TinySHA1.hpp | 196 --- ext/crow/crow/app.h | 248 --- ext/crow/crow/ci_map.h | 34 - ext/crow/crow/common.h | 142 -- ext/crow/crow/dumb_timer_queue.h | 81 - ext/crow/crow/http_connection.h | 602 ------- ext/crow/crow/http_parser_merged.h | 2640 ---------------------------- ext/crow/crow/http_request.h | 69 - ext/crow/crow/http_response.h | 135 -- ext/crow/crow/http_server.h | 240 --- ext/crow/crow/json.h | 1476 ---------------- ext/crow/crow/logging.h | 142 -- ext/crow/crow/middleware.h | 131 -- ext/crow/crow/middleware_context.h | 59 - ext/crow/crow/mustache.h | 568 ------ ext/crow/crow/parser.h | 167 -- ext/crow/crow/query_string.h | 407 ----- ext/crow/crow/routing.h | 1076 ------------ ext/crow/crow/settings.h | 38 - ext/crow/crow/socket_adaptors.h | 117 -- ext/crow/crow/utility.h | 548 ------ ext/crow/crow/websocket.h | 523 ------ 23 files changed, 9662 deletions(-) delete mode 100644 ext/crow/crow.h delete mode 100644 ext/crow/crow/TinySHA1.hpp delete mode 100644 ext/crow/crow/app.h delete mode 100644 ext/crow/crow/ci_map.h delete mode 100644 ext/crow/crow/common.h delete mode 100644 ext/crow/crow/dumb_timer_queue.h delete mode 100644 ext/crow/crow/http_connection.h delete mode 100644 ext/crow/crow/http_parser_merged.h delete mode 100644 ext/crow/crow/http_request.h delete mode 100644 ext/crow/crow/http_response.h delete mode 100644 ext/crow/crow/http_server.h delete mode 100644 ext/crow/crow/json.h delete mode 100644 ext/crow/crow/logging.h delete mode 100644 ext/crow/crow/middleware.h delete mode 100644 ext/crow/crow/middleware_context.h delete mode 100644 ext/crow/crow/mustache.h delete mode 100644 ext/crow/crow/parser.h delete mode 100644 ext/crow/crow/query_string.h delete mode 100644 ext/crow/crow/routing.h delete mode 100644 ext/crow/crow/settings.h delete mode 100644 ext/crow/crow/socket_adaptors.h delete mode 100644 ext/crow/crow/utility.h delete mode 100644 ext/crow/crow/websocket.h diff --git a/ext/crow/crow.h b/ext/crow/crow.h deleted file mode 100644 index 9a0c22e..0000000 --- a/ext/crow/crow.h +++ /dev/null @@ -1,23 +0,0 @@ -#pragma once -#include "crow/query_string.h" -#include "crow/http_parser_merged.h" -#include "crow/ci_map.h" -#include "crow/TinySHA1.hpp" -#include "crow/settings.h" -#include "crow/socket_adaptors.h" -#include "crow/json.h" -#include "crow/mustache.h" -#include "crow/logging.h" -#include "crow/dumb_timer_queue.h" -#include "crow/utility.h" -#include "crow/common.h" -#include "crow/http_request.h" -#include "crow/websocket.h" -#include "crow/parser.h" -#include "crow/http_response.h" -#include "crow/middleware.h" -#include "crow/routing.h" -#include "crow/middleware_context.h" -#include "crow/http_connection.h" -#include "crow/http_server.h" -#include "crow/app.h" diff --git a/ext/crow/crow/TinySHA1.hpp b/ext/crow/crow/TinySHA1.hpp deleted file mode 100644 index 70af046..0000000 --- a/ext/crow/crow/TinySHA1.hpp +++ /dev/null @@ -1,196 +0,0 @@ -/* - * - * TinySHA1 - a header only implementation of the SHA1 algorithm in C++. Based - * on the implementation in boost::uuid::details. - * - * SHA1 Wikipedia Page: http://en.wikipedia.org/wiki/SHA-1 - * - * Copyright (c) 2012-22 SAURAV MOHAPATRA - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef _TINY_SHA1_HPP_ -#define _TINY_SHA1_HPP_ -#include -#include -#include -#include -namespace sha1 -{ - class SHA1 - { - public: - typedef uint32_t digest32_t[5]; - typedef uint8_t digest8_t[20]; - inline static uint32_t LeftRotate(uint32_t value, size_t count) { - return (value << count) ^ (value >> (32-count)); - } - SHA1(){ reset(); } - virtual ~SHA1() {} - SHA1(const SHA1& s) { *this = s; } - const SHA1& operator = (const SHA1& s) { - memcpy(m_digest, s.m_digest, 5 * sizeof(uint32_t)); - memcpy(m_block, s.m_block, 64); - m_blockByteIndex = s.m_blockByteIndex; - m_byteCount = s.m_byteCount; - return *this; - } - SHA1& reset() { - m_digest[0] = 0x67452301; - m_digest[1] = 0xEFCDAB89; - m_digest[2] = 0x98BADCFE; - m_digest[3] = 0x10325476; - m_digest[4] = 0xC3D2E1F0; - m_blockByteIndex = 0; - m_byteCount = 0; - return *this; - } - SHA1& processByte(uint8_t octet) { - this->m_block[this->m_blockByteIndex++] = octet; - ++this->m_byteCount; - if(m_blockByteIndex == 64) { - this->m_blockByteIndex = 0; - processBlock(); - } - return *this; - } - SHA1& processBlock(const void* const start, const void* const end) { - const uint8_t* begin = static_cast(start); - const uint8_t* finish = static_cast(end); - while(begin != finish) { - processByte(*begin); - begin++; - } - return *this; - } - SHA1& processBytes(const void* const data, size_t len) { - const uint8_t* block = static_cast(data); - processBlock(block, block + len); - return *this; - } - const uint32_t* getDigest(digest32_t digest) { - size_t bitCount = this->m_byteCount * 8; - processByte(0x80); - if (this->m_blockByteIndex > 56) { - while (m_blockByteIndex != 0) { - processByte(0); - } - while (m_blockByteIndex < 56) { - processByte(0); - } - } else { - while (m_blockByteIndex < 56) { - processByte(0); - } - } - processByte(0); - processByte(0); - processByte(0); - processByte(0); - processByte( static_cast((bitCount>>24) & 0xFF)); - processByte( static_cast((bitCount>>16) & 0xFF)); - processByte( static_cast((bitCount>>8 ) & 0xFF)); - processByte( static_cast((bitCount) & 0xFF)); - - memcpy(digest, m_digest, 5 * sizeof(uint32_t)); - return digest; - } - const uint8_t* getDigestBytes(digest8_t digest) { - digest32_t d32; - getDigest(d32); - size_t di = 0; - digest[di++] = ((d32[0] >> 24) & 0xFF); - digest[di++] = ((d32[0] >> 16) & 0xFF); - digest[di++] = ((d32[0] >> 8) & 0xFF); - digest[di++] = ((d32[0]) & 0xFF); - - digest[di++] = ((d32[1] >> 24) & 0xFF); - digest[di++] = ((d32[1] >> 16) & 0xFF); - digest[di++] = ((d32[1] >> 8) & 0xFF); - digest[di++] = ((d32[1]) & 0xFF); - - digest[di++] = ((d32[2] >> 24) & 0xFF); - digest[di++] = ((d32[2] >> 16) & 0xFF); - digest[di++] = ((d32[2] >> 8) & 0xFF); - digest[di++] = ((d32[2]) & 0xFF); - - digest[di++] = ((d32[3] >> 24) & 0xFF); - digest[di++] = ((d32[3] >> 16) & 0xFF); - digest[di++] = ((d32[3] >> 8) & 0xFF); - digest[di++] = ((d32[3]) & 0xFF); - - digest[di++] = ((d32[4] >> 24) & 0xFF); - digest[di++] = ((d32[4] >> 16) & 0xFF); - digest[di++] = ((d32[4] >> 8) & 0xFF); - digest[di++] = ((d32[4]) & 0xFF); - return digest; - } - - protected: - void processBlock() { - uint32_t w[80]; - for (size_t i = 0; i < 16; i++) { - w[i] = (m_block[i*4 + 0] << 24); - w[i] |= (m_block[i*4 + 1] << 16); - w[i] |= (m_block[i*4 + 2] << 8); - w[i] |= (m_block[i*4 + 3]); - } - for (size_t i = 16; i < 80; i++) { - w[i] = LeftRotate((w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16]), 1); - } - - uint32_t a = m_digest[0]; - uint32_t b = m_digest[1]; - uint32_t c = m_digest[2]; - uint32_t d = m_digest[3]; - uint32_t e = m_digest[4]; - - for (std::size_t i=0; i<80; ++i) { - uint32_t f = 0; - uint32_t k = 0; - - if (i<20) { - f = (b & c) | (~b & d); - k = 0x5A827999; - } else if (i<40) { - f = b ^ c ^ d; - k = 0x6ED9EBA1; - } else if (i<60) { - f = (b & c) | (b & d) | (c & d); - k = 0x8F1BBCDC; - } else { - f = b ^ c ^ d; - k = 0xCA62C1D6; - } - uint32_t temp = LeftRotate(a, 5) + f + e + k + w[i]; - e = d; - d = c; - c = LeftRotate(b, 30); - b = a; - a = temp; - } - - m_digest[0] += a; - m_digest[1] += b; - m_digest[2] += c; - m_digest[3] += d; - m_digest[4] += e; - } - private: - digest32_t m_digest; - uint8_t m_block[64]; - size_t m_blockByteIndex; - size_t m_byteCount; - }; -} -#endif diff --git a/ext/crow/crow/app.h b/ext/crow/crow/app.h deleted file mode 100644 index b454bf0..0000000 --- a/ext/crow/crow/app.h +++ /dev/null @@ -1,248 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "crow/settings.h" -#include "crow/logging.h" -#include "crow/utility.h" -#include "crow/routing.h" -#include "crow/middleware_context.h" -#include "crow/http_request.h" -#include "crow/http_server.h" - - -#ifdef CROW_MSVC_WORKAROUND -#define CROW_ROUTE(app, url) app.route_dynamic(url) -#else -#define CROW_ROUTE(app, url) app.route(url) -#endif - -namespace crow -{ -#ifdef CROW_ENABLE_SSL - using ssl_context_t = boost::asio::ssl::context; -#endif - template - class Crow - { - public: - using self_t = Crow; - using server_t = Server; -#ifdef CROW_ENABLE_SSL - using ssl_server_t = Server; -#endif - Crow() - { - } - - template - void handle_upgrade(const request& req, response& res, Adaptor&& adaptor) - { - router_.handle_upgrade(req, res, adaptor); - } - - void handle(const request& req, response& res) - { - router_.handle(req, res); - } - - DynamicRule& route_dynamic(std::string&& rule) - { - return router_.new_rule_dynamic(std::move(rule)); - } - - template - auto route(std::string&& rule) - -> typename std::result_of)(Router, std::string&&)>::type - { - return router_.new_rule_tagged(std::move(rule)); - } - - self_t& port(std::uint16_t port) - { - port_ = port; - return *this; - } - - self_t& bindaddr(std::string bindaddr) - { - bindaddr_ = bindaddr; - return *this; - } - - self_t& multithreaded() - { - return concurrency(std::thread::hardware_concurrency()); - } - - self_t& concurrency(std::uint16_t concurrency) - { - if (concurrency < 1) - concurrency = 1; - concurrency_ = concurrency; - return *this; - } - - void validate() - { - router_.validate(); - } - - void run() - { - validate(); -#ifdef CROW_ENABLE_SSL - if (use_ssl_) - { - ssl_server_ = std::move(std::unique_ptr(new ssl_server_t(this, bindaddr_, port_, &middlewares_, concurrency_, &ssl_context_))); - ssl_server_->set_tick_function(tick_interval_, tick_function_); - ssl_server_->run(); - } - else -#endif - { - server_ = std::move(std::unique_ptr(new server_t(this, bindaddr_, port_, &middlewares_, concurrency_, nullptr))); - server_->set_tick_function(tick_interval_, tick_function_); - server_->run(); - } - } - - void stop() - { -#ifdef CROW_ENABLE_SSL - if (use_ssl_) - { - ssl_server_->stop(); - } - else -#endif - { - server_->stop(); - } - } - - void debug_print() - { - CROW_LOG_DEBUG << "Routing:"; - router_.debug_print(); - } - - self_t& loglevel(crow::LogLevel level) - { - crow::logger::setLogLevel(level); - return *this; - } - -#ifdef CROW_ENABLE_SSL - self_t& ssl_file(const std::string& crt_filename, const std::string& key_filename) - { - use_ssl_ = true; - ssl_context_.set_verify_mode(boost::asio::ssl::verify_peer); - ssl_context_.use_certificate_file(crt_filename, ssl_context_t::pem); - ssl_context_.use_private_key_file(key_filename, ssl_context_t::pem); - ssl_context_.set_options( - boost::asio::ssl::context::default_workarounds - | boost::asio::ssl::context::no_sslv2 - | boost::asio::ssl::context::no_sslv3 - ); - return *this; - } - - self_t& ssl_file(const std::string& pem_filename) - { - use_ssl_ = true; - ssl_context_.set_verify_mode(boost::asio::ssl::verify_peer); - ssl_context_.load_verify_file(pem_filename); - ssl_context_.set_options( - boost::asio::ssl::context::default_workarounds - | boost::asio::ssl::context::no_sslv2 - | boost::asio::ssl::context::no_sslv3 - ); - return *this; - } - - self_t& ssl(boost::asio::ssl::context&& ctx) - { - use_ssl_ = true; - ssl_context_ = std::move(ctx); - return *this; - } - - - bool use_ssl_{false}; - ssl_context_t ssl_context_{boost::asio::ssl::context::sslv23}; - -#else - template - self_t& ssl_file(T&&, Remain&&...) - { - // We can't call .ssl() member function unless CROW_ENABLE_SSL is defined. - static_assert( - // make static_assert dependent to T; always false - std::is_base_of::value, - "Define CROW_ENABLE_SSL to enable ssl support."); - return *this; - } - - template - self_t& ssl(T&&) - { - // We can't call .ssl() member function unless CROW_ENABLE_SSL is defined. - static_assert( - // make static_assert dependent to T; always false - std::is_base_of::value, - "Define CROW_ENABLE_SSL to enable ssl support."); - return *this; - } -#endif - - // middleware - using context_t = detail::context; - template - typename T::context& get_context(const request& req) - { - static_assert(black_magic::contains::value, "App doesn't have the specified middleware type."); - auto& ctx = *reinterpret_cast(req.middleware_context); - return ctx.template get(); - } - - template - T& get_middleware() - { - return utility::get_element_by_type(middlewares_); - } - - template - self_t& tick(Duration d, Func f) { - tick_interval_ = std::chrono::duration_cast(d); - tick_function_ = f; - return *this; - } - - private: - uint16_t port_ = 80; - uint16_t concurrency_ = 1; - std::string bindaddr_ = "0.0.0.0"; - Router router_; - - std::chrono::milliseconds tick_interval_; - std::function tick_function_; - - std::tuple middlewares_; - -#ifdef CROW_ENABLE_SSL - std::unique_ptr ssl_server_; -#endif - std::unique_ptr server_; - }; - template - using App = Crow; - using SimpleApp = Crow<>; -} diff --git a/ext/crow/crow/ci_map.h b/ext/crow/crow/ci_map.h deleted file mode 100644 index 155d54f..0000000 --- a/ext/crow/crow/ci_map.h +++ /dev/null @@ -1,34 +0,0 @@ -#pragma once - -#include -#include -#include - -namespace crow -{ - struct ci_hash - { - size_t operator()(const std::string& key) const - { - std::size_t seed = 0; - std::locale locale; - - for(auto c : key) - { - boost::hash_combine(seed, std::toupper(c, locale)); - } - - return seed; - } - }; - - struct ci_key_eq - { - bool operator()(const std::string& l, const std::string& r) const - { - return boost::iequals(l, r); - } - }; - - using ci_map = std::unordered_multimap; -} diff --git a/ext/crow/crow/common.h b/ext/crow/crow/common.h deleted file mode 100644 index ac6e789..0000000 --- a/ext/crow/crow/common.h +++ /dev/null @@ -1,142 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include "crow/utility.h" - -namespace crow -{ - enum class HTTPMethod - { -#ifndef DELETE - DELETE = 0, - GET, - HEAD, - POST, - PUT, - CONNECT, - OPTIONS, - TRACE, - PATCH = 24, -#endif - - Delete = 0, - Get, - Head, - Post, - Put, - Connect, - Options, - Trace, - Patch = 24, - }; - - inline std::string method_name(HTTPMethod method) - { - switch(method) - { - case HTTPMethod::Delete: - return "DELETE"; - case HTTPMethod::Get: - return "GET"; - case HTTPMethod::Head: - return "HEAD"; - case HTTPMethod::Post: - return "POST"; - case HTTPMethod::Put: - return "PUT"; - case HTTPMethod::Connect: - return "CONNECT"; - case HTTPMethod::Options: - return "OPTIONS"; - case HTTPMethod::Trace: - return "TRACE"; - case HTTPMethod::Patch: - return "PATCH"; - } - return "invalid"; - } - - enum class ParamType - { - INT, - UINT, - DOUBLE, - STRING, - PATH, - - MAX - }; - - struct routing_params - { - std::vector int_params; - std::vector uint_params; - std::vector double_params; - std::vector string_params; - - void debug_print() const - { - std::cerr << "routing_params" << std::endl; - for(auto i:int_params) - std::cerr< - T get(unsigned) const; - - }; - - template<> - inline int64_t routing_params::get(unsigned index) const - { - return int_params[index]; - } - - template<> - inline uint64_t routing_params::get(unsigned index) const - { - return uint_params[index]; - } - - template<> - inline double routing_params::get(unsigned index) const - { - return double_params[index]; - } - - template<> - inline std::string routing_params::get(unsigned index) const - { - return string_params[index]; - } -} - -#ifndef CROW_MSVC_WORKAROUND -constexpr crow::HTTPMethod operator "" _method(const char* str, size_t /*len*/) -{ - return - crow::black_magic::is_equ_p(str, "GET", 3) ? crow::HTTPMethod::Get : - crow::black_magic::is_equ_p(str, "DELETE", 6) ? crow::HTTPMethod::Delete : - crow::black_magic::is_equ_p(str, "HEAD", 4) ? crow::HTTPMethod::Head : - crow::black_magic::is_equ_p(str, "POST", 4) ? crow::HTTPMethod::Post : - crow::black_magic::is_equ_p(str, "PUT", 3) ? crow::HTTPMethod::Put : - crow::black_magic::is_equ_p(str, "OPTIONS", 7) ? crow::HTTPMethod::Options : - crow::black_magic::is_equ_p(str, "CONNECT", 7) ? crow::HTTPMethod::Connect : - crow::black_magic::is_equ_p(str, "TRACE", 5) ? crow::HTTPMethod::Trace : - crow::black_magic::is_equ_p(str, "PATCH", 5) ? crow::HTTPMethod::Patch : - throw std::runtime_error("invalid http method"); -} -#endif diff --git a/ext/crow/crow/dumb_timer_queue.h b/ext/crow/crow/dumb_timer_queue.h deleted file mode 100644 index fd51518..0000000 --- a/ext/crow/crow/dumb_timer_queue.h +++ /dev/null @@ -1,81 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include - -#include "crow/logging.h" - -namespace crow -{ - namespace detail - { - // fast timer queue for fixed tick value. - class dumb_timer_queue - { - public: - using key = std::pair; - - void cancel(key& k) - { - auto self = k.first; - k.first = nullptr; - if (!self) - return; - - unsigned int index = (unsigned int)(k.second - self->step_); - if (index < self->dq_.size()) - self->dq_[index].second = nullptr; - } - - key add(std::function f) - { - dq_.emplace_back(std::chrono::steady_clock::now(), std::move(f)); - int ret = step_+dq_.size()-1; - - CROW_LOG_DEBUG << "timer add inside: " << this << ' ' << ret ; - return {this, ret}; - } - - void process() - { - if (!io_service_) - return; - - auto now = std::chrono::steady_clock::now(); - while(!dq_.empty()) - { - auto& x = dq_.front(); - if (now - x.first < std::chrono::seconds(tick)) - break; - if (x.second) - { - CROW_LOG_DEBUG << "timer call: " << this << ' ' << step_; - // we know that timer handlers are very simple currenty; call here - x.second(); - } - dq_.pop_front(); - step_++; - } - } - - void set_io_service(boost::asio::io_service& io_service) - { - io_service_ = &io_service; - } - - dumb_timer_queue() noexcept - { - } - - private: - - int tick{5}; - boost::asio::io_service* io_service_{}; - std::deque>> dq_; - int step_{}; - }; - } -} diff --git a/ext/crow/crow/http_connection.h b/ext/crow/crow/http_connection.h deleted file mode 100644 index 3d214f3..0000000 --- a/ext/crow/crow/http_connection.h +++ /dev/null @@ -1,602 +0,0 @@ -#pragma once -#include -#include -#include -#include -#include -#include -#include - -#include "crow/http_parser_merged.h" - -#include "crow/parser.h" -#include "crow/http_response.h" -#include "crow/logging.h" -#include "crow/settings.h" -#include "crow/dumb_timer_queue.h" -#include "crow/middleware_context.h" -#include "crow/socket_adaptors.h" - -namespace crow -{ - using namespace boost; - using tcp = asio::ip::tcp; - - namespace detail - { - template - struct check_before_handle_arity_3_const - { - template - struct get - { }; - }; - - template - struct check_before_handle_arity_3 - { - template - struct get - { }; - }; - - template - struct check_after_handle_arity_3_const - { - template - struct get - { }; - }; - - template - struct check_after_handle_arity_3 - { - template - struct get - { }; - }; - - template - struct is_before_handle_arity_3_impl - { - template - static std::true_type f(typename check_before_handle_arity_3_const::template get*); - - template - static std::true_type f(typename check_before_handle_arity_3::template get*); - - template - static std::false_type f(...); - - public: - static const bool value = decltype(f(nullptr))::value; - }; - - template - struct is_after_handle_arity_3_impl - { - template - static std::true_type f(typename check_after_handle_arity_3_const::template get*); - - template - static std::true_type f(typename check_after_handle_arity_3::template get*); - - template - static std::false_type f(...); - - public: - static const bool value = decltype(f(nullptr))::value; - }; - - template - typename std::enable_if::value>::type - before_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/) - { - mw.before_handle(req, res, ctx.template get(), ctx); - } - - template - typename std::enable_if::value>::type - before_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/) - { - mw.before_handle(req, res, ctx.template get()); - } - - template - typename std::enable_if::value>::type - after_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/) - { - mw.after_handle(req, res, ctx.template get(), ctx); - } - - template - typename std::enable_if::value>::type - after_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/) - { - mw.after_handle(req, res, ctx.template get()); - } - - template - bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx) - { - using parent_context_t = typename Context::template partial; - before_handler_call(std::get(middlewares), req, res, ctx, static_cast(ctx)); - - if (res.is_completed()) - { - after_handler_call(std::get(middlewares), req, res, ctx, static_cast(ctx)); - return true; - } - - if (middleware_call_helper(middlewares, req, res, ctx)) - { - after_handler_call(std::get(middlewares), req, res, ctx, static_cast(ctx)); - return true; - } - - return false; - } - - template - bool middleware_call_helper(Container& /*middlewares*/, request& /*req*/, response& /*res*/, Context& /*ctx*/) - { - return false; - } - - template - typename std::enable_if<(N<0)>::type - after_handlers_call_helper(Container& /*middlewares*/, Context& /*context*/, request& /*req*/, response& /*res*/) - { - } - - template - typename std::enable_if<(N==0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res) - { - using parent_context_t = typename Context::template partial; - using CurrentMW = typename std::tuple_element::type>::type; - after_handler_call(std::get(middlewares), req, res, ctx, static_cast(ctx)); - } - - template - typename std::enable_if<(N>0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res) - { - using parent_context_t = typename Context::template partial; - using CurrentMW = typename std::tuple_element::type>::type; - after_handler_call(std::get(middlewares), req, res, ctx, static_cast(ctx)); - after_handlers_call_helper(middlewares, ctx, req, res); - } - } - -#ifdef CROW_ENABLE_DEBUG - static std::atomic connectionCount; -#endif - template - class Connection - { - public: - Connection( - boost::asio::io_service& io_service, - Handler* handler, - const std::string& server_name, - std::tuple* middlewares, - std::function& get_cached_date_str_f, - detail::dumb_timer_queue& timer_queue, - typename Adaptor::context* adaptor_ctx_ - ) - : adaptor_(io_service, adaptor_ctx_), - handler_(handler), - parser_(this), - server_name_(server_name), - middlewares_(middlewares), - get_cached_date_str(get_cached_date_str_f), - timer_queue(timer_queue) - { -#ifdef CROW_ENABLE_DEBUG - connectionCount ++; - CROW_LOG_DEBUG << "Connection open, total " << connectionCount << ", " << this; -#endif - } - - ~Connection() - { - res.complete_request_handler_ = nullptr; - cancel_deadline_timer(); -#ifdef CROW_ENABLE_DEBUG - connectionCount --; - CROW_LOG_DEBUG << "Connection closed, total " << connectionCount << ", " << this; -#endif - } - - decltype(std::declval().raw_socket())& socket() - { - return adaptor_.raw_socket(); - } - - void start() - { - adaptor_.start([this](const boost::system::error_code& ec) { - if (!ec) - { - start_deadline(); - - do_read(); - } - else - { - check_destroy(); - } - }); - } - - void handle_header() - { - // HTTP 1.1 Expect: 100-continue - if (parser_.check_version(1, 1) && parser_.headers.count("expect") && get_header_value(parser_.headers, "expect") == "100-continue") - { - buffers_.clear(); - static std::string expect_100_continue = "HTTP/1.1 100 Continue\r\n\r\n"; - buffers_.emplace_back(expect_100_continue.data(), expect_100_continue.size()); - do_write(); - } - } - - void handle() - { - cancel_deadline_timer(); - bool is_invalid_request = false; - add_keep_alive_ = false; - - req_ = std::move(parser_.to_request()); - request& req = req_; - - if (parser_.check_version(1, 0)) - { - // HTTP/1.0 - if (req.headers.count("connection")) - { - if (boost::iequals(req.get_header_value("connection"),"Keep-Alive")) - add_keep_alive_ = true; - } - else - close_connection_ = true; - } - else if (parser_.check_version(1, 1)) - { - // HTTP/1.1 - if (req.headers.count("connection")) - { - if (req.get_header_value("connection") == "close") - close_connection_ = true; - else if (boost::iequals(req.get_header_value("connection"),"Keep-Alive")) - add_keep_alive_ = true; - } - if (!req.headers.count("host")) - { - is_invalid_request = true; - res = response(400); - } - if (parser_.is_upgrade()) - { - if (req.get_header_value("upgrade") == "h2c") - { - // TODO HTTP/2 - // currently, ignore upgrade header - } - else - { - close_connection_ = true; - handler_->handle_upgrade(req, res, std::move(adaptor_)); - return; - } - } - } - - CROW_LOG_INFO << "Request: " << boost::lexical_cast(adaptor_.remote_endpoint()) << " " << this << " HTTP/" << parser_.http_major << "." << parser_.http_minor << ' ' - << method_name(req.method) << " " << req.url; - - - need_to_call_after_handlers_ = false; - if (!is_invalid_request) - { - res.complete_request_handler_ = []{}; - res.is_alive_helper_ = [this]()->bool{ return adaptor_.is_open(); }; - - ctx_ = detail::context(); - req.middleware_context = (void*)&ctx_; - req.io_service = &adaptor_.get_io_service(); - detail::middleware_call_helper<0, decltype(ctx_), decltype(*middlewares_), Middlewares...>(*middlewares_, req, res, ctx_); - - if (!res.completed_) - { - res.complete_request_handler_ = [this]{ this->complete_request(); }; - need_to_call_after_handlers_ = true; - handler_->handle(req, res); - if (add_keep_alive_) - res.set_header("connection", "Keep-Alive"); - } - else - { - complete_request(); - } - } - else - { - complete_request(); - } - } - - void complete_request() - { - CROW_LOG_INFO << "Response: " << this << ' ' << req_.raw_url << ' ' << res.code << ' ' << close_connection_; - - if (need_to_call_after_handlers_) - { - need_to_call_after_handlers_ = false; - - // call all after_handler of middlewares - detail::after_handlers_call_helper< - ((int)sizeof...(Middlewares)-1), - decltype(ctx_), - decltype(*middlewares_)> - (*middlewares_, ctx_, req_, res); - } - - //auto self = this->shared_from_this(); - res.complete_request_handler_ = nullptr; - - if (!adaptor_.is_open()) - { - //CROW_LOG_DEBUG << this << " delete (socket is closed) " << is_reading << ' ' << is_writing; - //delete this; - return; - } - - static std::unordered_map statusCodes = { - {200, "HTTP/1.1 200 OK\r\n"}, - {201, "HTTP/1.1 201 Created\r\n"}, - {202, "HTTP/1.1 202 Accepted\r\n"}, - {204, "HTTP/1.1 204 No Content\r\n"}, - - {300, "HTTP/1.1 300 Multiple Choices\r\n"}, - {301, "HTTP/1.1 301 Moved Permanently\r\n"}, - {302, "HTTP/1.1 302 Moved Temporarily\r\n"}, - {304, "HTTP/1.1 304 Not Modified\r\n"}, - - {400, "HTTP/1.1 400 Bad Request\r\n"}, - {401, "HTTP/1.1 401 Unauthorized\r\n"}, - {403, "HTTP/1.1 403 Forbidden\r\n"}, - {404, "HTTP/1.1 404 Not Found\r\n"}, - {413, "HTTP/1.1 413 Payload Too Large\r\n"}, - {422, "HTTP/1.1 422 Unprocessable Entity\r\n"}, - {429, "HTTP/1.1 429 Too Many Requests\r\n"}, - - {500, "HTTP/1.1 500 Internal Server Error\r\n"}, - {501, "HTTP/1.1 501 Not Implemented\r\n"}, - {502, "HTTP/1.1 502 Bad Gateway\r\n"}, - {503, "HTTP/1.1 503 Service Unavailable\r\n"}, - }; - - static std::string seperator = ": "; - static std::string crlf = "\r\n"; - - buffers_.clear(); - buffers_.reserve(4*(res.headers.size()+5)+3); - - if (res.body.empty() && res.json_value.t() == json::type::Object) - { - res.body = json::dump(res.json_value); - } - - if (!statusCodes.count(res.code)) - res.code = 500; - { - auto& status = statusCodes.find(res.code)->second; - buffers_.emplace_back(status.data(), status.size()); - } - - if (res.code >= 400 && res.body.empty()) - res.body = statusCodes[res.code].substr(9); - - for(auto& kv : res.headers) - { - buffers_.emplace_back(kv.first.data(), kv.first.size()); - buffers_.emplace_back(seperator.data(), seperator.size()); - buffers_.emplace_back(kv.second.data(), kv.second.size()); - buffers_.emplace_back(crlf.data(), crlf.size()); - - } - - if (!res.headers.count("content-length")) - { - content_length_ = std::to_string(res.body.size()); - static std::string content_length_tag = "Content-Length: "; - buffers_.emplace_back(content_length_tag.data(), content_length_tag.size()); - buffers_.emplace_back(content_length_.data(), content_length_.size()); - buffers_.emplace_back(crlf.data(), crlf.size()); - } - if (!res.headers.count("server")) - { - static std::string server_tag = "Server: "; - buffers_.emplace_back(server_tag.data(), server_tag.size()); - buffers_.emplace_back(server_name_.data(), server_name_.size()); - buffers_.emplace_back(crlf.data(), crlf.size()); - } - if (!res.headers.count("date")) - { - static std::string date_tag = "Date: "; - date_str_ = get_cached_date_str(); - buffers_.emplace_back(date_tag.data(), date_tag.size()); - buffers_.emplace_back(date_str_.data(), date_str_.size()); - buffers_.emplace_back(crlf.data(), crlf.size()); - } - if (add_keep_alive_) - { - static std::string keep_alive_tag = "Connection: Keep-Alive"; - buffers_.emplace_back(keep_alive_tag.data(), keep_alive_tag.size()); - buffers_.emplace_back(crlf.data(), crlf.size()); - } - - buffers_.emplace_back(crlf.data(), crlf.size()); - res_body_copy_.swap(res.body); - buffers_.emplace_back(res_body_copy_.data(), res_body_copy_.size()); - - do_write(); - - if (need_to_start_read_after_complete_) - { - need_to_start_read_after_complete_ = false; - start_deadline(); - do_read(); - } - } - - private: - void do_read() - { - //auto self = this->shared_from_this(); - is_reading = true; - adaptor_.socket().async_read_some(boost::asio::buffer(buffer_), - [this](const boost::system::error_code& ec, std::size_t bytes_transferred) - { - bool error_while_reading = true; - if (!ec) - { - bool ret = parser_.feed(buffer_.data(), bytes_transferred); - if (ret && adaptor_.is_open()) - { - error_while_reading = false; - } - } - - if (error_while_reading) - { - cancel_deadline_timer(); - parser_.done(); - adaptor_.close(); - is_reading = false; - CROW_LOG_DEBUG << this << " from read(1)"; - check_destroy(); - } - else if (close_connection_) - { - cancel_deadline_timer(); - parser_.done(); - is_reading = false; - check_destroy(); - // adaptor will close after write - } - else if (!need_to_call_after_handlers_) - { - start_deadline(); - do_read(); - } - else - { - // res will be completed later by user - need_to_start_read_after_complete_ = true; - } - }); - } - - void do_write() - { - //auto self = this->shared_from_this(); - is_writing = true; - boost::asio::async_write(adaptor_.socket(), buffers_, - [&](const boost::system::error_code& ec, std::size_t /*bytes_transferred*/) - { - is_writing = false; - res.clear(); - res_body_copy_.clear(); - if (!ec) - { - if (close_connection_) - { - adaptor_.close(); - CROW_LOG_DEBUG << this << " from write(1)"; - check_destroy(); - } - } - else - { - CROW_LOG_DEBUG << this << " from write(2)"; - check_destroy(); - } - }); - } - - void check_destroy() - { - CROW_LOG_DEBUG << this << " is_reading " << is_reading << " is_writing " << is_writing; - if (!is_reading && !is_writing) - { - CROW_LOG_DEBUG << this << " delete (idle) "; - delete this; - } - } - - void cancel_deadline_timer() - { - CROW_LOG_DEBUG << this << " timer cancelled: " << timer_cancel_key_.first << ' ' << timer_cancel_key_.second; - timer_queue.cancel(timer_cancel_key_); - } - - void start_deadline(/*int timeout = 5*/) - { - cancel_deadline_timer(); - - timer_cancel_key_ = timer_queue.add([this] - { - if (!adaptor_.is_open()) - { - return; - } - adaptor_.close(); - }); - CROW_LOG_DEBUG << this << " timer added: " << timer_cancel_key_.first << ' ' << timer_cancel_key_.second; - } - - private: - Adaptor adaptor_; - Handler* handler_; - - boost::array buffer_; - - HTTPParser parser_; - request req_; - response res; - - bool close_connection_ = false; - - const std::string& server_name_; - std::vector buffers_; - - std::string content_length_; - std::string date_str_; - std::string res_body_copy_; - - //boost::asio::deadline_timer deadline_; - detail::dumb_timer_queue::key timer_cancel_key_; - - bool is_reading{}; - bool is_writing{}; - bool need_to_call_after_handlers_{}; - bool need_to_start_read_after_complete_{}; - bool add_keep_alive_{}; - - std::tuple* middlewares_; - detail::context ctx_; - - std::function& get_cached_date_str; - detail::dumb_timer_queue& timer_queue; - }; - -} diff --git a/ext/crow/crow/http_parser_merged.h b/ext/crow/crow/http_parser_merged.h deleted file mode 100644 index 2a10252..0000000 --- a/ext/crow/crow/http_parser_merged.h +++ /dev/null @@ -1,2640 +0,0 @@ -/* merged revision: 5b951d74bd66ec9d38448e0a85b1cf8b85d97db3 */ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#ifndef CROW_http_parser_h -#define CROW_http_parser_h -#ifdef __cplusplus -extern "C" { -#endif - -/* Also update SONAME in the Makefile whenever you change these. */ -#define CROW_HTTP_PARSER_VERSION_MAJOR 2 -#define CROW_HTTP_PARSER_VERSION_MINOR 3 -#define CROW_HTTP_PARSER_VERSION_PATCH 0 - -#include -#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600) -#include -#include -typedef __int8 int8_t; -typedef unsigned __int8 uint8_t; -typedef __int16 int16_t; -typedef unsigned __int16 uint16_t; -typedef __int32 int32_t; -typedef unsigned __int32 uint32_t; -typedef __int64 int64_t; -typedef unsigned __int64 uint64_t; -#else -#include -#endif - -/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run - * faster - */ -#ifndef CROW_HTTP_PARSER_STRICT -# define CROW_HTTP_PARSER_STRICT 1 -#endif - -/* Maximium header size allowed. If the macro is not defined - * before including this header then the default is used. To - * change the maximum header size, define the macro in the build - * environment (e.g. -DHTTP_MAX_HEADER_SIZE=). To remove - * the effective limit on the size of the header, define the macro - * to a very large number (e.g. -DHTTP_MAX_HEADER_SIZE=0x7fffffff) - */ -#ifndef CROW_HTTP_MAX_HEADER_SIZE -# define CROW_HTTP_MAX_HEADER_SIZE (80*1024) -#endif - -typedef struct http_parser http_parser; -typedef struct http_parser_settings http_parser_settings; - - -/* Callbacks should return non-zero to indicate an error. The parser will - * then halt execution. - * - * The one exception is on_headers_complete. In a HTTP_RESPONSE parser - * returning '1' from on_headers_complete will tell the parser that it - * should not expect a body. This is used when receiving a response to a - * HEAD request which may contain 'Content-Length' or 'Transfer-Encoding: - * chunked' headers that indicate the presence of a body. - * - * http_data_cb does not return data chunks. It will be call arbitrarally - * many times for each string. E.G. you might get 10 callbacks for "on_url" - * each providing just a few characters more data. - */ -typedef int (*http_data_cb) (http_parser*, const char *at, size_t length); -typedef int (*http_cb) (http_parser*); - - -/* Request Methods */ -#define CROW_HTTP_METHOD_MAP(CROW_XX) \ - CROW_XX(0, DELETE, DELETE) \ - CROW_XX(1, GET, GET) \ - CROW_XX(2, HEAD, HEAD) \ - CROW_XX(3, POST, POST) \ - CROW_XX(4, PUT, PUT) \ - /* pathological */ \ - CROW_XX(5, CONNECT, CONNECT) \ - CROW_XX(6, OPTIONS, OPTIONS) \ - CROW_XX(7, TRACE, TRACE) \ - /* webdav */ \ - CROW_XX(8, COPY, COPY) \ - CROW_XX(9, LOCK, LOCK) \ - CROW_XX(10, MKCOL, MKCOL) \ - CROW_XX(11, MOVE, MOVE) \ - CROW_XX(12, PROPFIND, PROPFIND) \ - CROW_XX(13, PROPPATCH, PROPPATCH) \ - CROW_XX(14, SEARCH, SEARCH) \ - CROW_XX(15, UNLOCK, UNLOCK) \ - /* subversion */ \ - CROW_XX(16, REPORT, REPORT) \ - CROW_XX(17, MKACTIVITY, MKACTIVITY) \ - CROW_XX(18, CHECKOUT, CHECKOUT) \ - CROW_XX(19, MERGE, MERGE) \ - /* upnp */ \ - CROW_XX(20, MSEARCH, M-SEARCH) \ - CROW_XX(21, NOTIFY, NOTIFY) \ - CROW_XX(22, SUBSCRIBE, SUBSCRIBE) \ - CROW_XX(23, UNSUBSCRIBE, UNSUBSCRIBE) \ - /* RFC-5789 */ \ - CROW_XX(24, PATCH, PATCH) \ - CROW_XX(25, PURGE, PURGE) \ - /* CalDAV */ \ - CROW_XX(26, MKCALENDAR, MKCALENDAR) \ - -enum http_method - { -#define CROW_XX(num, name, string) HTTP_##name = num, - CROW_HTTP_METHOD_MAP(CROW_XX) -#undef CROW_XX - }; - - -enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH }; - - -/* Flag values for http_parser.flags field */ -enum flags - { F_CHUNKED = 1 << 0 - , F_CONNECTION_KEEP_ALIVE = 1 << 1 - , F_CONNECTION_CLOSE = 1 << 2 - , F_TRAILING = 1 << 3 - , F_UPGRADE = 1 << 4 - , F_SKIPBODY = 1 << 5 - }; - - -/* Map for errno-related constants - * - * The provided argument should be a macro that takes 2 arguments. - */ -#define CROW_HTTP_ERRNO_MAP(CROW_XX) \ - /* No error */ \ - CROW_XX(OK, "success") \ - \ - /* Callback-related errors */ \ - CROW_XX(CB_message_begin, "the on_message_begin callback failed") \ - CROW_XX(CB_url, "the on_url callback failed") \ - CROW_XX(CB_header_field, "the on_header_field callback failed") \ - CROW_XX(CB_header_value, "the on_header_value callback failed") \ - CROW_XX(CB_headers_complete, "the on_headers_complete callback failed") \ - CROW_XX(CB_body, "the on_body callback failed") \ - CROW_XX(CB_message_complete, "the on_message_complete callback failed") \ - CROW_XX(CB_status, "the on_status callback failed") \ - \ - /* Parsing-related errors */ \ - CROW_XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \ - CROW_XX(HEADER_OVERFLOW, \ - "too many header bytes seen; overflow detected") \ - CROW_XX(CLOSED_CONNECTION, \ - "data received after completed connection: close message") \ - CROW_XX(INVALID_VERSION, "invalid HTTP version") \ - CROW_XX(INVALID_STATUS, "invalid HTTP status code") \ - CROW_XX(INVALID_METHOD, "invalid HTTP method") \ - CROW_XX(INVALID_URL, "invalid URL") \ - CROW_XX(INVALID_HOST, "invalid host") \ - CROW_XX(INVALID_PORT, "invalid port") \ - CROW_XX(INVALID_PATH, "invalid path") \ - CROW_XX(INVALID_QUERY_STRING, "invalid query string") \ - CROW_XX(INVALID_FRAGMENT, "invalid fragment") \ - CROW_XX(LF_EXPECTED, "CROW_LF character expected") \ - CROW_XX(INVALID_HEADER_TOKEN, "invalid character in header") \ - CROW_XX(INVALID_CONTENT_LENGTH, \ - "invalid character in content-length header") \ - CROW_XX(INVALID_CHUNK_SIZE, \ - "invalid character in chunk size header") \ - CROW_XX(INVALID_CONSTANT, "invalid constant string") \ - CROW_XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\ - CROW_XX(STRICT, "strict mode assertion failed") \ - CROW_XX(PAUSED, "parser is paused") \ - CROW_XX(UNKNOWN, "an unknown error occurred") - - -/* Define HPE_* values for each errno value above */ -#define CROW_HTTP_ERRNO_GEN(n, s) HPE_##n, -enum http_errno { - CROW_HTTP_ERRNO_MAP(CROW_HTTP_ERRNO_GEN) -}; -#undef CROW_HTTP_ERRNO_GEN - - -/* Get an http_errno value from an http_parser */ -#define CROW_HTTP_PARSER_ERRNO(p) ((enum http_errno) (p)->http_errno) - - -struct http_parser { - /** PRIVATE **/ - unsigned int type : 2; /* enum http_parser_type */ - unsigned int flags : 6; /* F_* values from 'flags' enum; semi-public */ - unsigned int state : 8; /* enum state from http_parser.c */ - unsigned int header_state : 8; /* enum header_state from http_parser.c */ - unsigned int index : 8; /* index into current matcher */ - - uint32_t nread; /* # bytes read in various scenarios */ - uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */ - - /** READ-ONLY **/ - unsigned short http_major; - unsigned short http_minor; - unsigned int status_code : 16; /* responses only */ - unsigned int method : 8; /* requests only */ - unsigned int http_errno : 7; - - /* 1 = Upgrade header was present and the parser has exited because of that. - * 0 = No upgrade header present. - * Should be checked when http_parser_execute() returns in addition to - * error checking. - */ - unsigned int upgrade : 1; - - /** PUBLIC **/ - void *data; /* A pointer to get hook to the "connection" or "socket" object */ -}; - - -struct http_parser_settings { - http_cb on_message_begin; - http_data_cb on_url; - http_data_cb on_status; - http_data_cb on_header_field; - http_data_cb on_header_value; - http_cb on_headers_complete; - http_data_cb on_body; - http_cb on_message_complete; -}; - - -enum http_parser_url_fields - { UF_SCHEMA = 0 - , UF_HOST = 1 - , UF_PORT = 2 - , UF_PATH = 3 - , UF_QUERY = 4 - , UF_FRAGMENT = 5 - , UF_USERINFO = 6 - , UF_MAX = 7 - }; - - -/* Result structure for http_parser_parse_url(). - * - * Callers should index into field_data[] with UF_* values iff field_set - * has the relevant (1 << UF_*) bit set. As a courtesy to clients (and - * because we probably have padding left over), we convert any port to - * a uint16_t. - */ -struct http_parser_url { - uint16_t field_set; /* Bitmask of (1 << UF_*) values */ - uint16_t port; /* Converted UF_PORT string */ - - struct { - uint16_t off; /* Offset into buffer in which field starts */ - uint16_t len; /* Length of run in buffer */ - } field_data[UF_MAX]; -}; - - -/* Returns the library version. Bits 16-23 contain the major version number, - * bits 8-15 the minor version number and bits 0-7 the patch level. - * Usage example: - * - * unsigned long version = http_parser_version(); - * unsigned major = (version >> 16) & 255; - * unsigned minor = (version >> 8) & 255; - * unsigned patch = version & 255; - * printf("http_parser v%u.%u.%u\n", major, minor, version); - */ -unsigned long http_parser_version(void); - -void http_parser_init(http_parser *parser, enum http_parser_type type); - - -size_t http_parser_execute(http_parser *parser, - const http_parser_settings *settings, - const char *data, - size_t len); - - -/* If http_should_keep_alive() in the on_headers_complete or - * on_message_complete callback returns 0, then this should be - * the last message on the connection. - * If you are the server, respond with the "Connection: close" header. - * If you are the client, close the connection. - */ -int http_should_keep_alive(const http_parser *parser); - -/* Returns a string version of the HTTP method. */ -const char *http_method_str(enum http_method m); - -/* Return a string name of the given error */ -const char *http_errno_name(enum http_errno err); - -/* Return a string description of the given error */ -const char *http_errno_description(enum http_errno err); - -/* Parse a URL; return nonzero on failure */ -int http_parser_parse_url(const char *buf, size_t buflen, - int is_connect, - struct http_parser_url *u); - -/* Pause or un-pause the parser; a nonzero value pauses */ -void http_parser_pause(http_parser *parser, int paused); - -/* Checks if this is the final chunk of the body. */ -int http_body_is_final(const http_parser *parser); - -/*#include "http_parser.h"*/ -/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev - * - * Additional changes are licensed under the same terms as NGINX and - * copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#include -#include -#include -#include -#include -#include - -#ifndef CROW_ULLONG_MAX -# define CROW_ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */ -#endif - -#ifndef CROW_MIN -# define CROW_MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif - -#ifndef CROW_ARRAY_SIZE -# define CROW_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) -#endif - -#ifndef CROW_BIT_AT -# define CROW_BIT_AT(a, i) \ - (!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \ - (1 << ((unsigned int) (i) & 7)))) -#endif - -#ifndef CROW_ELEM_AT -# define CROW_ELEM_AT(a, i, v) ((unsigned int) (i) < CROW_ARRAY_SIZE(a) ? (a)[(i)] : (v)) -#endif - -#define CROW_SET_ERRNO(e) \ -do { \ - parser->http_errno = (e); \ -} while(0) - - -/* Run the notify callback FOR, returning ER if it fails */ -#define CROW_CALLBACK_NOTIFY_(FOR, ER) \ -do { \ - assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \ - \ - if (settings->on_##FOR) { \ - if (0 != settings->on_##FOR(parser)) { \ - CROW_SET_ERRNO(HPE_CB_##FOR); \ - } \ - \ - /* We either errored above or got paused; get out */ \ - if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \ - return (ER); \ - } \ - } \ -} while (0) - -/* Run the notify callback FOR and consume the current byte */ -#define CROW_CALLBACK_NOTIFY(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data + 1) - -/* Run the notify callback FOR and don't consume the current byte */ -#define CROW_CALLBACK_NOTIFY_NOADVANCE(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data) - -/* Run data callback FOR with LEN bytes, returning ER if it fails */ -#define CROW_CALLBACK_DATA_(FOR, LEN, ER) \ -do { \ - assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \ - \ - if (FOR##_mark) { \ - if (settings->on_##FOR) { \ - if (0 != settings->on_##FOR(parser, FOR##_mark, (LEN))) { \ - CROW_SET_ERRNO(HPE_CB_##FOR); \ - } \ - \ - /* We either errored above or got paused; get out */ \ - if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \ - return (ER); \ - } \ - } \ - FOR##_mark = NULL; \ - } \ -} while (0) - -/* Run the data callback FOR and consume the current byte */ -#define CROW_CALLBACK_DATA(FOR) \ - CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1) - -/* Run the data callback FOR and don't consume the current byte */ -#define CROW_CALLBACK_DATA_NOADVANCE(FOR) \ - CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data) - -/* Set the mark FOR; non-destructive if mark is already set */ -#define CROW_MARK(FOR) \ -do { \ - if (!FOR##_mark) { \ - FOR##_mark = p; \ - } \ -} while (0) - - -#define CROW_PROXY_CONNECTION "proxy-connection" -#define CROW_CONNECTION "connection" -#define CROW_CONTENT_LENGTH "content-length" -#define CROW_TRANSFER_ENCODING "transfer-encoding" -#define CROW_UPGRADE "upgrade" -#define CROW_CHUNKED "chunked" -#define CROW_KEEP_ALIVE "keep-alive" -#define CROW_CLOSE "close" - - - - -enum state - { s_dead = 1 /* important that this is > 0 */ - - , s_start_req_or_res - , s_res_or_resp_H - , s_start_res - , s_res_H - , s_res_HT - , s_res_HTT - , s_res_HTTP - , s_res_first_http_major - , s_res_http_major - , s_res_first_http_minor - , s_res_http_minor - , s_res_first_status_code - , s_res_status_code - , s_res_status_start - , s_res_status - , s_res_line_almost_done - - , s_start_req - - , s_req_method - , s_req_spaces_before_url - , s_req_schema - , s_req_schema_slash - , s_req_schema_slash_slash - , s_req_server_start - , s_req_server - , s_req_server_with_at - , s_req_path - , s_req_query_string_start - , s_req_query_string - , s_req_fragment_start - , s_req_fragment - , s_req_http_start - , s_req_http_H - , s_req_http_HT - , s_req_http_HTT - , s_req_http_HTTP - , s_req_first_http_major - , s_req_http_major - , s_req_first_http_minor - , s_req_http_minor - , s_req_line_almost_done - - , s_header_field_start - , s_header_field - , s_header_value_discard_ws - , s_header_value_discard_ws_almost_done - , s_header_value_discard_lws - , s_header_value_start - , s_header_value - , s_header_value_lws - - , s_header_almost_done - - , s_chunk_size_start - , s_chunk_size - , s_chunk_parameters - , s_chunk_size_almost_done - - , s_headers_almost_done - , s_headers_done - - /* Important: 's_headers_done' must be the last 'header' state. All - * states beyond this must be 'body' states. It is used for overflow - * checking. See the CROW_PARSING_HEADER() macro. - */ - - , s_chunk_data - , s_chunk_data_almost_done - , s_chunk_data_done - - , s_body_identity - , s_body_identity_eof - - , s_message_done - }; - - -#define CROW_PARSING_HEADER(state) (state <= s_headers_done) - - -enum header_states - { h_general = 0 - , h_C - , h_CO - , h_CON - - , h_matching_connection - , h_matching_proxy_connection - , h_matching_content_length - , h_matching_transfer_encoding - , h_matching_upgrade - - , h_connection - , h_content_length - , h_transfer_encoding - , h_upgrade - - , h_matching_transfer_encoding_chunked - , h_matching_connection_keep_alive - , h_matching_connection_close - - , h_transfer_encoding_chunked - , h_connection_keep_alive - , h_connection_close - }; - -enum http_host_state - { - s_http_host_dead = 1 - , s_http_userinfo_start - , s_http_userinfo - , s_http_host_start - , s_http_host_v6_start - , s_http_host - , s_http_host_v6 - , s_http_host_v6_end - , s_http_host_port_start - , s_http_host_port -}; - -/* Macros for character classes; depends on strict-mode */ -#define CROW_CR '\r' -#define CROW_LF '\n' -#define CROW_LOWER(c) (unsigned char)(c | 0x20) -#define CROW_IS_ALPHA(c) (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'z') -#define CROW_IS_NUM(c) ((c) >= '0' && (c) <= '9') -#define CROW_IS_ALPHANUM(c) (CROW_IS_ALPHA(c) || CROW_IS_NUM(c)) -#define CROW_IS_HEX(c) (CROW_IS_NUM(c) || (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'f')) -#define CROW_IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \ - (c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \ - (c) == ')') -#define CROW_IS_USERINFO_CHAR(c) (CROW_IS_ALPHANUM(c) || CROW_IS_MARK(c) || (c) == '%' || \ - (c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \ - (c) == '$' || (c) == ',') - -#if CROW_HTTP_PARSER_STRICT -#define CROW_TOKEN(c) (tokens[(unsigned char)c]) -#define CROW_IS_URL_CHAR(c) (CROW_BIT_AT(normal_url_char, (unsigned char)c)) -#define CROW_IS_HOST_CHAR(c) (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-') -#else -#define CROW_TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c]) -#define CROW_IS_URL_CHAR(c) \ - (CROW_BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80)) -#define CROW_IS_HOST_CHAR(c) \ - (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_') -#endif - - -#define CROW_start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res) - - -#if CROW_HTTP_PARSER_STRICT -# define CROW_STRICT_CHECK(cond) \ -do { \ - if (cond) { \ - CROW_SET_ERRNO(HPE_STRICT); \ - goto error; \ - } \ -} while (0) -# define CROW_NEW_MESSAGE() (http_should_keep_alive(parser) ? CROW_start_state : s_dead) -#else -# define CROW_STRICT_CHECK(cond) -# define CROW_NEW_MESSAGE() CROW_start_state -#endif - - - -int http_message_needs_eof(const http_parser *parser); - -/* Our URL parser. - * - * This is designed to be shared by http_parser_execute() for URL validation, - * hence it has a state transition + byte-for-byte interface. In addition, it - * is meant to be embedded in http_parser_parse_url(), which does the dirty - * work of turning state transitions URL components for its API. - * - * This function should only be invoked with non-space characters. It is - * assumed that the caller cares about (and can detect) the transition between - * URL and non-URL states by looking for these. - */ -inline enum state -parse_url_char(enum state s, const char ch) -{ -#if CROW_HTTP_PARSER_STRICT -# define CROW_T(v) 0 -#else -# define CROW_T(v) v -#endif - - -static const uint8_t normal_url_char[32] = { -/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */ - 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0, -/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */ - 0 | CROW_T(2) | 0 | 0 | CROW_T(16) | 0 | 0 | 0, -/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */ - 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0, -/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */ - 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0, -/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */ - 0 | 2 | 4 | 0 | 16 | 32 | 64 | 128, -/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, -/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 80 P 81 Q 82 R 83 S 84 CROW_T 85 U 86 V 87 W */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128, -/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */ - 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, }; - -#undef CROW_T - - if (ch == ' ' || ch == '\r' || ch == '\n') { - return s_dead; - } - -#if CROW_HTTP_PARSER_STRICT - if (ch == '\t' || ch == '\f') { - return s_dead; - } -#endif - - switch (s) { - case s_req_spaces_before_url: - /* Proxied requests are followed by scheme of an absolute URI (alpha). - * All methods except CONNECT are followed by '/' or '*'. - */ - - if (ch == '/' || ch == '*') { - return s_req_path; - } - - if (CROW_IS_ALPHA(ch)) { - return s_req_schema; - } - - break; - - case s_req_schema: - if (CROW_IS_ALPHA(ch)) { - return s; - } - - if (ch == ':') { - return s_req_schema_slash; - } - - break; - - case s_req_schema_slash: - if (ch == '/') { - return s_req_schema_slash_slash; - } - - break; - - case s_req_schema_slash_slash: - if (ch == '/') { - return s_req_server_start; - } - - break; - - case s_req_server_with_at: - if (ch == '@') { - return s_dead; - } - - /* FALLTHROUGH */ - case s_req_server_start: - case s_req_server: - if (ch == '/') { - return s_req_path; - } - - if (ch == '?') { - return s_req_query_string_start; - } - - if (ch == '@') { - return s_req_server_with_at; - } - - if (CROW_IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') { - return s_req_server; - } - - break; - - case s_req_path: - if (CROW_IS_URL_CHAR(ch)) { - return s; - } - - switch (ch) { - case '?': - return s_req_query_string_start; - - case '#': - return s_req_fragment_start; - } - - break; - - case s_req_query_string_start: - case s_req_query_string: - if (CROW_IS_URL_CHAR(ch)) { - return s_req_query_string; - } - - switch (ch) { - case '?': - /* allow extra '?' in query string */ - return s_req_query_string; - - case '#': - return s_req_fragment_start; - } - - break; - - case s_req_fragment_start: - if (CROW_IS_URL_CHAR(ch)) { - return s_req_fragment; - } - - switch (ch) { - case '?': - return s_req_fragment; - - case '#': - return s; - } - - break; - - case s_req_fragment: - if (CROW_IS_URL_CHAR(ch)) { - return s; - } - - switch (ch) { - case '?': - case '#': - return s; - } - - break; - - default: - break; - } - - /* We should never fall out of the switch above unless there's an error */ - return s_dead; -} - -inline size_t http_parser_execute (http_parser *parser, - const http_parser_settings *settings, - const char *data, - size_t len) -{ -static const char *method_strings[] = - { -#define CROW_XX(num, name, string) #string, - CROW_HTTP_METHOD_MAP(CROW_XX) -#undef CROW_XX - }; - -/* Tokens as defined by rfc 2616. Also lowercases them. - * token = 1* - * separators = "(" | ")" | "<" | ">" | "@" - * | "," | ";" | ":" | "\" | <"> - * | "/" | "[" | "]" | "?" | "=" - * | "{" | "}" | SP | HT - */ -static const char tokens[256] = { -/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */ - 0, 0, 0, 0, 0, 0, 0, 0, -/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */ - 0, 0, 0, 0, 0, 0, 0, 0, -/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */ - 0, 0, 0, 0, 0, 0, 0, 0, -/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */ - 0, 0, 0, 0, 0, 0, 0, 0, -/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */ - 0, '!', 0, '#', '$', '%', '&', '\'', -/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */ - 0, 0, '*', '+', 0, '-', '.', 0, -/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */ - '0', '1', '2', '3', '4', '5', '6', '7', -/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */ - '8', '9', 0, 0, 0, 0, 0, 0, -/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */ - 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', -/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */ - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', -/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */ - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', -/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */ - 'x', 'y', 'z', 0, 0, 0, '^', '_', -/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */ - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', -/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */ - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', -/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */ - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', -/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */ - 'x', 'y', 'z', 0, '|', 0, '~', 0 }; - - -static const int8_t unhex[256] = - {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 - ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 - ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 - , 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1 - ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1 - ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 - ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1 - ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 - }; - - - - char c, ch; - int8_t unhex_val; - const char *p = data; - const char *header_field_mark = 0; - const char *header_value_mark = 0; - const char *url_mark = 0; - const char *body_mark = 0; - const char *status_mark = 0; - - /* We're in an error state. Don't bother doing anything. */ - if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { - return 0; - } - - if (len == 0) { - switch (parser->state) { - case s_body_identity_eof: - /* Use of CROW_CALLBACK_NOTIFY() here would erroneously return 1 byte read if - * we got paused. - */ - CROW_CALLBACK_NOTIFY_NOADVANCE(message_complete); - return 0; - - case s_dead: - case s_start_req_or_res: - case s_start_res: - case s_start_req: - return 0; - - default: - CROW_SET_ERRNO(HPE_INVALID_EOF_STATE); - return 1; - } - } - - - if (parser->state == s_header_field) - header_field_mark = data; - if (parser->state == s_header_value) - header_value_mark = data; - switch (parser->state) { - case s_req_path: - case s_req_schema: - case s_req_schema_slash: - case s_req_schema_slash_slash: - case s_req_server_start: - case s_req_server: - case s_req_server_with_at: - case s_req_query_string_start: - case s_req_query_string: - case s_req_fragment_start: - case s_req_fragment: - url_mark = data; - break; - case s_res_status: - status_mark = data; - break; - } - - for (p=data; p != data + len; p++) { - ch = *p; - - if (CROW_PARSING_HEADER(parser->state)) { - ++parser->nread; - /* Don't allow the total size of the HTTP headers (including the status - * line) to exceed CROW_HTTP_MAX_HEADER_SIZE. This check is here to protect - * embedders against denial-of-service attacks where the attacker feeds - * us a never-ending header that the embedder keeps buffering. - * - * This check is arguably the responsibility of embedders but we're doing - * it on the embedder's behalf because most won't bother and this way we - * make the web a little safer. CROW_HTTP_MAX_HEADER_SIZE is still far bigger - * than any reasonable request or response so this should never affect - * day-to-day operation. - */ - if (parser->nread > (CROW_HTTP_MAX_HEADER_SIZE)) { - CROW_SET_ERRNO(HPE_HEADER_OVERFLOW); - goto error; - } - } - - reexecute_byte: - switch (parser->state) { - - case s_dead: - /* this state is used after a 'Connection: close' message - * the parser will error out if it reads another message - */ - if (ch == CROW_CR || ch == CROW_LF) - break; - - CROW_SET_ERRNO(HPE_CLOSED_CONNECTION); - goto error; - - case s_start_req_or_res: - { - if (ch == CROW_CR || ch == CROW_LF) - break; - parser->flags = 0; - parser->content_length = CROW_ULLONG_MAX; - - if (ch == 'H') { - parser->state = s_res_or_resp_H; - - CROW_CALLBACK_NOTIFY(message_begin); - } else { - parser->type = HTTP_REQUEST; - parser->state = s_start_req; - goto reexecute_byte; - } - - break; - } - - case s_res_or_resp_H: - if (ch == 'T') { - parser->type = HTTP_RESPONSE; - parser->state = s_res_HT; - } else { - if (ch != 'E') { - CROW_SET_ERRNO(HPE_INVALID_CONSTANT); - goto error; - } - - parser->type = HTTP_REQUEST; - parser->method = HTTP_HEAD; - parser->index = 2; - parser->state = s_req_method; - } - break; - - case s_start_res: - { - parser->flags = 0; - parser->content_length = CROW_ULLONG_MAX; - - switch (ch) { - case 'H': - parser->state = s_res_H; - break; - - case CROW_CR: - case CROW_LF: - break; - - default: - CROW_SET_ERRNO(HPE_INVALID_CONSTANT); - goto error; - } - - CROW_CALLBACK_NOTIFY(message_begin); - break; - } - - case s_res_H: - CROW_STRICT_CHECK(ch != 'T'); - parser->state = s_res_HT; - break; - - case s_res_HT: - CROW_STRICT_CHECK(ch != 'T'); - parser->state = s_res_HTT; - break; - - case s_res_HTT: - CROW_STRICT_CHECK(ch != 'P'); - parser->state = s_res_HTTP; - break; - - case s_res_HTTP: - CROW_STRICT_CHECK(ch != '/'); - parser->state = s_res_first_http_major; - break; - - case s_res_first_http_major: - if (ch < '0' || ch > '9') { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major = ch - '0'; - parser->state = s_res_http_major; - break; - - /* major HTTP version or dot */ - case s_res_http_major: - { - if (ch == '.') { - parser->state = s_res_first_http_minor; - break; - } - - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major *= 10; - parser->http_major += ch - '0'; - - if (parser->http_major > 999) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - break; - } - - /* first digit of minor HTTP version */ - case s_res_first_http_minor: - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor = ch - '0'; - parser->state = s_res_http_minor; - break; - - /* minor HTTP version or end of request line */ - case s_res_http_minor: - { - if (ch == ' ') { - parser->state = s_res_first_status_code; - break; - } - - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor *= 10; - parser->http_minor += ch - '0'; - - if (parser->http_minor > 999) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - break; - } - - case s_res_first_status_code: - { - if (!CROW_IS_NUM(ch)) { - if (ch == ' ') { - break; - } - - CROW_SET_ERRNO(HPE_INVALID_STATUS); - goto error; - } - parser->status_code = ch - '0'; - parser->state = s_res_status_code; - break; - } - - case s_res_status_code: - { - if (!CROW_IS_NUM(ch)) { - switch (ch) { - case ' ': - parser->state = s_res_status_start; - break; - case CROW_CR: - parser->state = s_res_line_almost_done; - break; - case CROW_LF: - parser->state = s_header_field_start; - break; - default: - CROW_SET_ERRNO(HPE_INVALID_STATUS); - goto error; - } - break; - } - - parser->status_code *= 10; - parser->status_code += ch - '0'; - - if (parser->status_code > 999) { - CROW_SET_ERRNO(HPE_INVALID_STATUS); - goto error; - } - - break; - } - - case s_res_status_start: - { - if (ch == CROW_CR) { - parser->state = s_res_line_almost_done; - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_field_start; - break; - } - - CROW_MARK(status); - parser->state = s_res_status; - parser->index = 0; - break; - } - - case s_res_status: - if (ch == CROW_CR) { - parser->state = s_res_line_almost_done; - CROW_CALLBACK_DATA(status); - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_field_start; - CROW_CALLBACK_DATA(status); - break; - } - - break; - - case s_res_line_almost_done: - CROW_STRICT_CHECK(ch != CROW_LF); - parser->state = s_header_field_start; - break; - - case s_start_req: - { - if (ch == CROW_CR || ch == CROW_LF) - break; - parser->flags = 0; - parser->content_length = CROW_ULLONG_MAX; - - if (!CROW_IS_ALPHA(ch)) { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - - parser->method = (enum http_method) 0; - parser->index = 1; - switch (ch) { - case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break; - case 'D': parser->method = HTTP_DELETE; break; - case 'G': parser->method = HTTP_GET; break; - case 'H': parser->method = HTTP_HEAD; break; - case 'L': parser->method = HTTP_LOCK; break; - case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH, MKCALENDAR */ break; - case 'N': parser->method = HTTP_NOTIFY; break; - case 'O': parser->method = HTTP_OPTIONS; break; - case 'P': parser->method = HTTP_POST; - /* or PROPFIND|PROPPATCH|PUT|PATCH|PURGE */ - break; - case 'R': parser->method = HTTP_REPORT; break; - case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break; - case 'T': parser->method = HTTP_TRACE; break; - case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE */ break; - default: - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - parser->state = s_req_method; - - CROW_CALLBACK_NOTIFY(message_begin); - - break; - } - - case s_req_method: - { - const char *matcher; - if (ch == '\0') { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - - matcher = method_strings[parser->method]; - if (ch == ' ' && matcher[parser->index] == '\0') { - parser->state = s_req_spaces_before_url; - } else if (ch == matcher[parser->index]) { - ; /* nada */ - } else if (parser->method == HTTP_CONNECT) { - if (parser->index == 1 && ch == 'H') { - parser->method = HTTP_CHECKOUT; - } else if (parser->index == 2 && ch == 'P') { - parser->method = HTTP_COPY; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->method == HTTP_MKCOL) { - if (parser->index == 1 && ch == 'O') { - parser->method = HTTP_MOVE; - } else if (parser->index == 1 && ch == 'E') { - parser->method = HTTP_MERGE; - } else if (parser->index == 1 && ch == '-') { - parser->method = HTTP_MSEARCH; - } else if (parser->index == 2 && ch == 'A') { - parser->method = HTTP_MKACTIVITY; - } else if (parser->index == 3 && ch == 'A') { - parser->method = HTTP_MKCALENDAR; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->method == HTTP_SUBSCRIBE) { - if (parser->index == 1 && ch == 'E') { - parser->method = HTTP_SEARCH; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->index == 1 && parser->method == HTTP_POST) { - if (ch == 'R') { - parser->method = HTTP_PROPFIND; /* or HTTP_PROPPATCH */ - } else if (ch == 'U') { - parser->method = HTTP_PUT; /* or HTTP_PURGE */ - } else if (ch == 'A') { - parser->method = HTTP_PATCH; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->index == 2) { - if (parser->method == HTTP_PUT) { - if (ch == 'R') { - parser->method = HTTP_PURGE; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->method == HTTP_UNLOCK) { - if (ch == 'S') { - parser->method = HTTP_UNSUBSCRIBE; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - } else if (parser->index == 4 && parser->method == HTTP_PROPFIND && ch == 'P') { - parser->method = HTTP_PROPPATCH; - } else { - CROW_SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - - ++parser->index; - break; - } - - case s_req_spaces_before_url: - { - if (ch == ' ') break; - - CROW_MARK(url); - if (parser->method == HTTP_CONNECT) { - parser->state = s_req_server_start; - } - - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->state == s_dead) { - CROW_SET_ERRNO(HPE_INVALID_URL); - goto error; - } - - break; - } - - case s_req_schema: - case s_req_schema_slash: - case s_req_schema_slash_slash: - case s_req_server_start: - { - switch (ch) { - /* No whitespace allowed here */ - case ' ': - case CROW_CR: - case CROW_LF: - CROW_SET_ERRNO(HPE_INVALID_URL); - goto error; - default: - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->state == s_dead) { - CROW_SET_ERRNO(HPE_INVALID_URL); - goto error; - } - } - - break; - } - - case s_req_server: - case s_req_server_with_at: - case s_req_path: - case s_req_query_string_start: - case s_req_query_string: - case s_req_fragment_start: - case s_req_fragment: - { - switch (ch) { - case ' ': - parser->state = s_req_http_start; - CROW_CALLBACK_DATA(url); - break; - case CROW_CR: - case CROW_LF: - parser->http_major = 0; - parser->http_minor = 9; - parser->state = (ch == CROW_CR) ? - s_req_line_almost_done : - s_header_field_start; - CROW_CALLBACK_DATA(url); - break; - default: - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->state == s_dead) { - CROW_SET_ERRNO(HPE_INVALID_URL); - goto error; - } - } - break; - } - - case s_req_http_start: - switch (ch) { - case 'H': - parser->state = s_req_http_H; - break; - case ' ': - break; - default: - CROW_SET_ERRNO(HPE_INVALID_CONSTANT); - goto error; - } - break; - - case s_req_http_H: - CROW_STRICT_CHECK(ch != 'T'); - parser->state = s_req_http_HT; - break; - - case s_req_http_HT: - CROW_STRICT_CHECK(ch != 'T'); - parser->state = s_req_http_HTT; - break; - - case s_req_http_HTT: - CROW_STRICT_CHECK(ch != 'P'); - parser->state = s_req_http_HTTP; - break; - - case s_req_http_HTTP: - CROW_STRICT_CHECK(ch != '/'); - parser->state = s_req_first_http_major; - break; - - /* first digit of major HTTP version */ - case s_req_first_http_major: - if (ch < '1' || ch > '9') { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major = ch - '0'; - parser->state = s_req_http_major; - break; - - /* major HTTP version or dot */ - case s_req_http_major: - { - if (ch == '.') { - parser->state = s_req_first_http_minor; - break; - } - - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major *= 10; - parser->http_major += ch - '0'; - - if (parser->http_major > 999) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - break; - } - - /* first digit of minor HTTP version */ - case s_req_first_http_minor: - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor = ch - '0'; - parser->state = s_req_http_minor; - break; - - /* minor HTTP version or end of request line */ - case s_req_http_minor: - { - if (ch == CROW_CR) { - parser->state = s_req_line_almost_done; - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_field_start; - break; - } - - /* XXX allow spaces after digit? */ - - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor *= 10; - parser->http_minor += ch - '0'; - - if (parser->http_minor > 999) { - CROW_SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - break; - } - - /* end of request line */ - case s_req_line_almost_done: - { - if (ch != CROW_LF) { - CROW_SET_ERRNO(HPE_LF_EXPECTED); - goto error; - } - - parser->state = s_header_field_start; - break; - } - - case s_header_field_start: - { - if (ch == CROW_CR) { - parser->state = s_headers_almost_done; - break; - } - - if (ch == CROW_LF) { - /* they might be just sending \n instead of \r\n so this would be - * the second \n to denote the end of headers*/ - parser->state = s_headers_almost_done; - goto reexecute_byte; - } - - c = CROW_TOKEN(ch); - - if (!c) { - CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN); - goto error; - } - - CROW_MARK(header_field); - - parser->index = 0; - parser->state = s_header_field; - - switch (c) { - case 'c': - parser->header_state = h_C; - break; - - case 'p': - parser->header_state = h_matching_proxy_connection; - break; - - case 't': - parser->header_state = h_matching_transfer_encoding; - break; - - case 'u': - parser->header_state = h_matching_upgrade; - break; - - default: - parser->header_state = h_general; - break; - } - break; - } - - case s_header_field: - { - c = CROW_TOKEN(ch); - - if (c) { - switch (parser->header_state) { - case h_general: - break; - - case h_C: - parser->index++; - parser->header_state = (c == 'o' ? h_CO : h_general); - break; - - case h_CO: - parser->index++; - parser->header_state = (c == 'n' ? h_CON : h_general); - break; - - case h_CON: - parser->index++; - switch (c) { - case 'n': - parser->header_state = h_matching_connection; - break; - case 't': - parser->header_state = h_matching_content_length; - break; - default: - parser->header_state = h_general; - break; - } - break; - - /* connection */ - - case h_matching_connection: - parser->index++; - if (parser->index > sizeof(CROW_CONNECTION)-1 - || c != CROW_CONNECTION[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_CONNECTION)-2) { - parser->header_state = h_connection; - } - break; - - /* proxy-connection */ - - case h_matching_proxy_connection: - parser->index++; - if (parser->index > sizeof(CROW_PROXY_CONNECTION)-1 - || c != CROW_PROXY_CONNECTION[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_PROXY_CONNECTION)-2) { - parser->header_state = h_connection; - } - break; - - /* content-length */ - - case h_matching_content_length: - parser->index++; - if (parser->index > sizeof(CROW_CONTENT_LENGTH)-1 - || c != CROW_CONTENT_LENGTH[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_CONTENT_LENGTH)-2) { - parser->header_state = h_content_length; - } - break; - - /* transfer-encoding */ - - case h_matching_transfer_encoding: - parser->index++; - if (parser->index > sizeof(CROW_TRANSFER_ENCODING)-1 - || c != CROW_TRANSFER_ENCODING[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_TRANSFER_ENCODING)-2) { - parser->header_state = h_transfer_encoding; - } - break; - - /* upgrade */ - - case h_matching_upgrade: - parser->index++; - if (parser->index > sizeof(CROW_UPGRADE)-1 - || c != CROW_UPGRADE[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_UPGRADE)-2) { - parser->header_state = h_upgrade; - } - break; - - case h_connection: - case h_content_length: - case h_transfer_encoding: - case h_upgrade: - if (ch != ' ') parser->header_state = h_general; - break; - - default: - assert(0 && "Unknown header_state"); - break; - } - break; - } - - if (ch == ':') { - parser->state = s_header_value_discard_ws; - CROW_CALLBACK_DATA(header_field); - break; - } - - if (ch == CROW_CR) { - parser->state = s_header_almost_done; - CROW_CALLBACK_DATA(header_field); - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_field_start; - CROW_CALLBACK_DATA(header_field); - break; - } - - CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN); - goto error; - } - - case s_header_value_discard_ws: - if (ch == ' ' || ch == '\t') break; - - if (ch == CROW_CR) { - parser->state = s_header_value_discard_ws_almost_done; - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_value_discard_lws; - break; - } - - /* FALLTHROUGH */ - - case s_header_value_start: - { - CROW_MARK(header_value); - - parser->state = s_header_value; - parser->index = 0; - - c = CROW_LOWER(ch); - - switch (parser->header_state) { - case h_upgrade: - parser->flags |= F_UPGRADE; - parser->header_state = h_general; - break; - - case h_transfer_encoding: - /* looking for 'Transfer-Encoding: chunked' */ - if ('c' == c) { - parser->header_state = h_matching_transfer_encoding_chunked; - } else { - parser->header_state = h_general; - } - break; - - case h_content_length: - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH); - goto error; - } - - parser->content_length = ch - '0'; - break; - - case h_connection: - /* looking for 'Connection: keep-alive' */ - if (c == 'k') { - parser->header_state = h_matching_connection_keep_alive; - /* looking for 'Connection: close' */ - } else if (c == 'c') { - parser->header_state = h_matching_connection_close; - } else { - parser->header_state = h_general; - } - break; - - default: - parser->header_state = h_general; - break; - } - break; - } - - case s_header_value: - { - - if (ch == CROW_CR) { - parser->state = s_header_almost_done; - CROW_CALLBACK_DATA(header_value); - break; - } - - if (ch == CROW_LF) { - parser->state = s_header_almost_done; - CROW_CALLBACK_DATA_NOADVANCE(header_value); - goto reexecute_byte; - } - - c = CROW_LOWER(ch); - - switch (parser->header_state) { - case h_general: - break; - - case h_connection: - case h_transfer_encoding: - assert(0 && "Shouldn't get here."); - break; - - case h_content_length: - { - uint64_t t; - - if (ch == ' ') break; - - if (!CROW_IS_NUM(ch)) { - CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH); - goto error; - } - - t = parser->content_length; - t *= 10; - t += ch - '0'; - - /* Overflow? Test against a conservative limit for simplicity. */ - if ((CROW_ULLONG_MAX - 10) / 10 < parser->content_length) { - CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH); - goto error; - } - - parser->content_length = t; - break; - } - - /* Transfer-Encoding: chunked */ - case h_matching_transfer_encoding_chunked: - parser->index++; - if (parser->index > sizeof(CROW_CHUNKED)-1 - || c != CROW_CHUNKED[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_CHUNKED)-2) { - parser->header_state = h_transfer_encoding_chunked; - } - break; - - /* looking for 'Connection: keep-alive' */ - case h_matching_connection_keep_alive: - parser->index++; - if (parser->index > sizeof(CROW_KEEP_ALIVE)-1 - || c != CROW_KEEP_ALIVE[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_KEEP_ALIVE)-2) { - parser->header_state = h_connection_keep_alive; - } - break; - - /* looking for 'Connection: close' */ - case h_matching_connection_close: - parser->index++; - if (parser->index > sizeof(CROW_CLOSE)-1 || c != CROW_CLOSE[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(CROW_CLOSE)-2) { - parser->header_state = h_connection_close; - } - break; - - case h_transfer_encoding_chunked: - case h_connection_keep_alive: - case h_connection_close: - if (ch != ' ') parser->header_state = h_general; - break; - - default: - parser->state = s_header_value; - parser->header_state = h_general; - break; - } - break; - } - - case s_header_almost_done: - { - CROW_STRICT_CHECK(ch != CROW_LF); - - parser->state = s_header_value_lws; - break; - } - - case s_header_value_lws: - { - if (ch == ' ' || ch == '\t') { - parser->state = s_header_value_start; - goto reexecute_byte; - } - - /* finished the header */ - switch (parser->header_state) { - case h_connection_keep_alive: - parser->flags |= F_CONNECTION_KEEP_ALIVE; - break; - case h_connection_close: - parser->flags |= F_CONNECTION_CLOSE; - break; - case h_transfer_encoding_chunked: - parser->flags |= F_CHUNKED; - break; - default: - break; - } - - parser->state = s_header_field_start; - goto reexecute_byte; - } - - case s_header_value_discard_ws_almost_done: - { - CROW_STRICT_CHECK(ch != CROW_LF); - parser->state = s_header_value_discard_lws; - break; - } - - case s_header_value_discard_lws: - { - if (ch == ' ' || ch == '\t') { - parser->state = s_header_value_discard_ws; - break; - } else { - /* header value was empty */ - CROW_MARK(header_value); - parser->state = s_header_field_start; - CROW_CALLBACK_DATA_NOADVANCE(header_value); - goto reexecute_byte; - } - } - - case s_headers_almost_done: - { - CROW_STRICT_CHECK(ch != CROW_LF); - - if (parser->flags & F_TRAILING) { - /* End of a chunked request */ - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - break; - } - - parser->state = s_headers_done; - - /* Set this here so that on_headers_complete() callbacks can see it */ - parser->upgrade = - (parser->flags & F_UPGRADE || parser->method == HTTP_CONNECT); - - /* Here we call the headers_complete callback. This is somewhat - * different than other callbacks because if the user returns 1, we - * will interpret that as saying that this message has no body. This - * is needed for the annoying case of recieving a response to a HEAD - * request. - * - * We'd like to use CROW_CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so - * we have to simulate it by handling a change in errno below. - */ - if (settings->on_headers_complete) { - switch (settings->on_headers_complete(parser)) { - case 0: - break; - - case 1: - parser->flags |= F_SKIPBODY; - break; - - default: - CROW_SET_ERRNO(HPE_CB_headers_complete); - return p - data; /* Error */ - } - } - - if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { - return p - data; - } - - goto reexecute_byte; - } - - case s_headers_done: - { - CROW_STRICT_CHECK(ch != CROW_LF); - - parser->nread = 0; - - /* Exit, the rest of the connect is in a different protocol. */ - if (parser->upgrade) { - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - return (p - data) + 1; - } - - if (parser->flags & F_SKIPBODY) { - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - } else if (parser->flags & F_CHUNKED) { - /* chunked encoding - ignore Content-Length header */ - parser->state = s_chunk_size_start; - } else { - if (parser->content_length == 0) { - /* Content-Length header given but zero: Content-Length: 0\r\n */ - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - } else if (parser->content_length != CROW_ULLONG_MAX) { - /* Content-Length header given and non-zero */ - parser->state = s_body_identity; - } else { - if (parser->type == HTTP_REQUEST || - !http_message_needs_eof(parser)) { - /* Assume content-length 0 - read the next */ - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - } else { - /* Read body until EOF */ - parser->state = s_body_identity_eof; - } - } - } - - break; - } - - case s_body_identity: - { - uint64_t to_read = CROW_MIN(parser->content_length, - (uint64_t) ((data + len) - p)); - - assert(parser->content_length != 0 - && parser->content_length != CROW_ULLONG_MAX); - - /* The difference between advancing content_length and p is because - * the latter will automaticaly advance on the next loop iteration. - * Further, if content_length ends up at 0, we want to see the last - * byte again for our message complete callback. - */ - CROW_MARK(body); - parser->content_length -= to_read; - p += to_read - 1; - - if (parser->content_length == 0) { - parser->state = s_message_done; - - /* Mimic CROW_CALLBACK_DATA_NOADVANCE() but with one extra byte. - * - * The alternative to doing this is to wait for the next byte to - * trigger the data callback, just as in every other case. The - * problem with this is that this makes it difficult for the test - * harness to distinguish between complete-on-EOF and - * complete-on-length. It's not clear that this distinction is - * important for applications, but let's keep it for now. - */ - CROW_CALLBACK_DATA_(body, p - body_mark + 1, p - data); - goto reexecute_byte; - } - - break; - } - - /* read until EOF */ - case s_body_identity_eof: - CROW_MARK(body); - p = data + len - 1; - - break; - - case s_message_done: - parser->state = CROW_NEW_MESSAGE(); - CROW_CALLBACK_NOTIFY(message_complete); - break; - - case s_chunk_size_start: - { - assert(parser->nread == 1); - assert(parser->flags & F_CHUNKED); - - unhex_val = unhex[(unsigned char)ch]; - if (unhex_val == -1) { - CROW_SET_ERRNO(HPE_INVALID_CHUNK_SIZE); - goto error; - } - - parser->content_length = unhex_val; - parser->state = s_chunk_size; - break; - } - - case s_chunk_size: - { - uint64_t t; - - assert(parser->flags & F_CHUNKED); - - if (ch == CROW_CR) { - parser->state = s_chunk_size_almost_done; - break; - } - - unhex_val = unhex[(unsigned char)ch]; - - if (unhex_val == -1) { - if (ch == ';' || ch == ' ') { - parser->state = s_chunk_parameters; - break; - } - - CROW_SET_ERRNO(HPE_INVALID_CHUNK_SIZE); - goto error; - } - - t = parser->content_length; - t *= 16; - t += unhex_val; - - /* Overflow? Test against a conservative limit for simplicity. */ - if ((CROW_ULLONG_MAX - 16) / 16 < parser->content_length) { - CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH); - goto error; - } - - parser->content_length = t; - break; - } - - case s_chunk_parameters: - { - assert(parser->flags & F_CHUNKED); - /* just ignore this shit. TODO check for overflow */ - if (ch == CROW_CR) { - parser->state = s_chunk_size_almost_done; - break; - } - break; - } - - case s_chunk_size_almost_done: - { - assert(parser->flags & F_CHUNKED); - CROW_STRICT_CHECK(ch != CROW_LF); - - parser->nread = 0; - - if (parser->content_length == 0) { - parser->flags |= F_TRAILING; - parser->state = s_header_field_start; - } else { - parser->state = s_chunk_data; - } - break; - } - - case s_chunk_data: - { - uint64_t to_read = CROW_MIN(parser->content_length, - (uint64_t) ((data + len) - p)); - - assert(parser->flags & F_CHUNKED); - assert(parser->content_length != 0 - && parser->content_length != CROW_ULLONG_MAX); - - /* See the explanation in s_body_identity for why the content - * length and data pointers are managed this way. - */ - CROW_MARK(body); - parser->content_length -= to_read; - p += to_read - 1; - - if (parser->content_length == 0) { - parser->state = s_chunk_data_almost_done; - } - - break; - } - - case s_chunk_data_almost_done: - assert(parser->flags & F_CHUNKED); - assert(parser->content_length == 0); - CROW_STRICT_CHECK(ch != CROW_CR); - parser->state = s_chunk_data_done; - CROW_CALLBACK_DATA(body); - break; - - case s_chunk_data_done: - assert(parser->flags & F_CHUNKED); - CROW_STRICT_CHECK(ch != CROW_LF); - parser->nread = 0; - parser->state = s_chunk_size_start; - break; - - default: - assert(0 && "unhandled state"); - CROW_SET_ERRNO(HPE_INVALID_INTERNAL_STATE); - goto error; - } - } - - /* Run callbacks for any marks that we have leftover after we ran our of - * bytes. There should be at most one of these set, so it's OK to invoke - * them in series (unset marks will not result in callbacks). - * - * We use the NOADVANCE() variety of callbacks here because 'p' has already - * overflowed 'data' and this allows us to correct for the off-by-one that - * we'd otherwise have (since CROW_CALLBACK_DATA() is meant to be run with a 'p' - * value that's in-bounds). - */ - - assert(((header_field_mark ? 1 : 0) + - (header_value_mark ? 1 : 0) + - (url_mark ? 1 : 0) + - (body_mark ? 1 : 0) + - (status_mark ? 1 : 0)) <= 1); - - CROW_CALLBACK_DATA_NOADVANCE(header_field); - CROW_CALLBACK_DATA_NOADVANCE(header_value); - CROW_CALLBACK_DATA_NOADVANCE(url); - CROW_CALLBACK_DATA_NOADVANCE(body); - CROW_CALLBACK_DATA_NOADVANCE(status); - - return len; - -error: - if (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK) { - CROW_SET_ERRNO(HPE_UNKNOWN); - } - - return (p - data); -} - - -/* Does the parser need to see an EOF to find the end of the message? */ -inline int -http_message_needs_eof (const http_parser *parser) -{ - if (parser->type == HTTP_REQUEST) { - return 0; - } - - /* See RFC 2616 section 4.4 */ - if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */ - parser->status_code == 204 || /* No Content */ - parser->status_code == 304 || /* Not Modified */ - parser->flags & F_SKIPBODY) { /* response to a HEAD request */ - return 0; - } - - if ((parser->flags & F_CHUNKED) || parser->content_length != CROW_ULLONG_MAX) { - return 0; - } - - return 1; -} - - -inline int -http_should_keep_alive (const http_parser *parser) -{ - if (parser->http_major > 0 && parser->http_minor > 0) { - /* HTTP/1.1 */ - if (parser->flags & F_CONNECTION_CLOSE) { - return 0; - } - } else { - /* HTTP/1.0 or earlier */ - if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) { - return 0; - } - } - - return !http_message_needs_eof(parser); -} - - -inline const char * -http_method_str (enum http_method m) -{ -static const char *method_strings[] = - { -#define CROW_XX(num, name, string) #string, - CROW_HTTP_METHOD_MAP(CROW_XX) -#undef CROW_XX - }; - return CROW_ELEM_AT(method_strings, m, ""); -} - - -inline void -http_parser_init (http_parser *parser, enum http_parser_type t) -{ - void *data = parser->data; /* preserve application data */ - memset(parser, 0, sizeof(*parser)); - parser->data = data; - parser->type = t; - parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res)); - parser->http_errno = HPE_OK; -} - -inline const char * -http_errno_name(enum http_errno err) { -/* Map errno values to strings for human-readable output */ -#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s }, -static struct { - const char *name; - const char *description; -} http_strerror_tab[] = { - CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN) -}; -#undef CROW_HTTP_STRERROR_GEN - assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0]))); - return http_strerror_tab[err].name; -} - -inline const char * -http_errno_description(enum http_errno err) { -/* Map errno values to strings for human-readable output */ -#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s }, -static struct { - const char *name; - const char *description; -} http_strerror_tab[] = { - CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN) -}; -#undef CROW_HTTP_STRERROR_GEN - assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0]))); - return http_strerror_tab[err].description; -} - -inline static enum http_host_state -http_parse_host_char(enum http_host_state s, const char ch) { - switch(s) { - case s_http_userinfo: - case s_http_userinfo_start: - if (ch == '@') { - return s_http_host_start; - } - - if (CROW_IS_USERINFO_CHAR(ch)) { - return s_http_userinfo; - } - break; - - case s_http_host_start: - if (ch == '[') { - return s_http_host_v6_start; - } - - if (CROW_IS_HOST_CHAR(ch)) { - return s_http_host; - } - - break; - - case s_http_host: - if (CROW_IS_HOST_CHAR(ch)) { - return s_http_host; - } - - /* FALLTHROUGH */ - case s_http_host_v6_end: - if (ch == ':') { - return s_http_host_port_start; - } - - break; - - case s_http_host_v6: - if (ch == ']') { - return s_http_host_v6_end; - } - - /* FALLTHROUGH */ - case s_http_host_v6_start: - if (CROW_IS_HEX(ch) || ch == ':' || ch == '.') { - return s_http_host_v6; - } - - break; - - case s_http_host_port: - case s_http_host_port_start: - if (CROW_IS_NUM(ch)) { - return s_http_host_port; - } - - break; - - default: - break; - } - return s_http_host_dead; -} - -inline int -http_parse_host(const char * buf, struct http_parser_url *u, int found_at) { - enum http_host_state s; - - const char *p; - size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len; - - u->field_data[UF_HOST].len = 0; - - s = found_at ? s_http_userinfo_start : s_http_host_start; - - for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) { - enum http_host_state new_s = http_parse_host_char(s, *p); - - if (new_s == s_http_host_dead) { - return 1; - } - - switch(new_s) { - case s_http_host: - if (s != s_http_host) { - u->field_data[UF_HOST].off = p - buf; - } - u->field_data[UF_HOST].len++; - break; - - case s_http_host_v6: - if (s != s_http_host_v6) { - u->field_data[UF_HOST].off = p - buf; - } - u->field_data[UF_HOST].len++; - break; - - case s_http_host_port: - if (s != s_http_host_port) { - u->field_data[UF_PORT].off = p - buf; - u->field_data[UF_PORT].len = 0; - u->field_set |= (1 << UF_PORT); - } - u->field_data[UF_PORT].len++; - break; - - case s_http_userinfo: - if (s != s_http_userinfo) { - u->field_data[UF_USERINFO].off = p - buf ; - u->field_data[UF_USERINFO].len = 0; - u->field_set |= (1 << UF_USERINFO); - } - u->field_data[UF_USERINFO].len++; - break; - - default: - break; - } - s = new_s; - } - - /* Make sure we don't end somewhere unexpected */ - switch (s) { - case s_http_host_start: - case s_http_host_v6_start: - case s_http_host_v6: - case s_http_host_port_start: - case s_http_userinfo: - case s_http_userinfo_start: - return 1; - default: - break; - } - - return 0; -} - -inline int -http_parser_parse_url(const char *buf, size_t buflen, int is_connect, - struct http_parser_url *u) -{ - enum state s; - const char *p; - enum http_parser_url_fields uf, old_uf; - int found_at = 0; - - u->port = u->field_set = 0; - s = is_connect ? s_req_server_start : s_req_spaces_before_url; - old_uf = UF_MAX; - - for (p = buf; p < buf + buflen; p++) { - s = parse_url_char(s, *p); - - /* Figure out the next field that we're operating on */ - switch (s) { - case s_dead: - return 1; - - /* Skip delimeters */ - case s_req_schema_slash: - case s_req_schema_slash_slash: - case s_req_server_start: - case s_req_query_string_start: - case s_req_fragment_start: - continue; - - case s_req_schema: - uf = UF_SCHEMA; - break; - - case s_req_server_with_at: - found_at = 1; - - /* FALLTROUGH */ - case s_req_server: - uf = UF_HOST; - break; - - case s_req_path: - uf = UF_PATH; - break; - - case s_req_query_string: - uf = UF_QUERY; - break; - - case s_req_fragment: - uf = UF_FRAGMENT; - break; - - default: - assert(!"Unexpected state"); - return 1; - } - - /* Nothing's changed; soldier on */ - if (uf == old_uf) { - u->field_data[uf].len++; - continue; - } - - u->field_data[uf].off = p - buf; - u->field_data[uf].len = 1; - - u->field_set |= (1 << uf); - old_uf = uf; - } - - /* host must be present if there is a schema */ - /* parsing http:///toto will fail */ - if ((u->field_set & ((1 << UF_SCHEMA) | (1 << UF_HOST))) != 0) { - if (http_parse_host(buf, u, found_at) != 0) { - return 1; - } - } - - /* CONNECT requests can only contain "hostname:port" */ - if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) { - return 1; - } - - if (u->field_set & (1 << UF_PORT)) { - /* Don't bother with endp; we've already validated the string */ - unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10); - - /* Ports have a max value of 2^16 */ - if (v > 0xffff) { - return 1; - } - - u->port = (uint16_t) v; - } - - return 0; -} - -inline void -http_parser_pause(http_parser *parser, int paused) { - /* Users should only be pausing/unpausing a parser that is not in an error - * state. In non-debug builds, there's not much that we can do about this - * other than ignore it. - */ - if (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK || - CROW_HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) { - CROW_SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK); - } else { - assert(0 && "Attempting to pause parser in error state"); - } -} - -inline int -http_body_is_final(const struct http_parser *parser) { - return parser->state == s_message_done; -} - -inline unsigned long -http_parser_version(void) { - return CROW_HTTP_PARSER_VERSION_MAJOR * 0x10000 | - CROW_HTTP_PARSER_VERSION_MINOR * 0x00100 | - CROW_HTTP_PARSER_VERSION_PATCH * 0x00001; -} - -#undef CROW_HTTP_METHOD_MAP -#undef CROW_HTTP_ERRNO_MAP -#undef CROW_SET_ERRNO -#undef CROW_CALLBACK_NOTIFY_ -#undef CROW_CALLBACK_NOTIFY -#undef CROW_CALLBACK_NOTIFY_NOADVANCE -#undef CROW_CALLBACK_DATA_ -#undef CROW_CALLBACK_DATA -#undef CROW_CALLBACK_DATA_NOADVANCE -#undef CROW_MARK -#undef CROW_PROXY_CONNECTION -#undef CROW_CONNECTION -#undef CROW_CONTENT_LENGTH -#undef CROW_TRANSFER_ENCODING -#undef CROW_UPGRADE -#undef CROW_CHUNKED -#undef CROW_KEEP_ALIVE -#undef CROW_CLOSE -#undef CROW_PARSING_HEADER -#undef CROW_CR -#undef CROW_LF -#undef CROW_LOWER -#undef CROW_IS_ALPHA -#undef CROW_IS_NUM -#undef CROW_IS_ALPHANUM -#undef CROW_IS_HEX -#undef CROW_IS_MARK -#undef CROW_IS_USERINFO_CHAR -#undef CROW_TOKEN -#undef CROW_IS_URL_CHAR -#undef CROW_IS_HOST_CHAR -#undef CROW_start_state -#undef CROW_STRICT_CHECK -#undef CROW_NEW_MESSAGE - -#ifdef __cplusplus -} -#endif -#endif diff --git a/ext/crow/crow/http_request.h b/ext/crow/crow/http_request.h deleted file mode 100644 index a70c299..0000000 --- a/ext/crow/crow/http_request.h +++ /dev/null @@ -1,69 +0,0 @@ -#pragma once - -#include - -#include "crow/common.h" -#include "crow/ci_map.h" -#include "crow/query_string.h" - -namespace crow -{ - template - inline const std::string& get_header_value(const T& headers, const std::string& key) - { - if (headers.count(key)) - { - return headers.find(key)->second; - } - static std::string empty; - return empty; - } - - struct DetachHelper; - - struct request - { - HTTPMethod method; - std::string raw_url; - std::string url; - query_string url_params; - ci_map headers; - std::string body; - - void* middleware_context{}; - boost::asio::io_service* io_service{}; - - request() - : method(HTTPMethod::Get) - { - } - - request(HTTPMethod method, std::string raw_url, std::string url, query_string url_params, ci_map headers, std::string body) - : method(method), raw_url(std::move(raw_url)), url(std::move(url)), url_params(std::move(url_params)), headers(std::move(headers)), body(std::move(body)) - { - } - - void add_header(std::string key, std::string value) - { - headers.emplace(std::move(key), std::move(value)); - } - - const std::string& get_header_value(const std::string& key) const - { - return crow::get_header_value(headers, key); - } - - template - void post(CompletionHandler handler) - { - io_service->post(handler); - } - - template - void dispatch(CompletionHandler handler) - { - io_service->dispatch(handler); - } - - }; -} diff --git a/ext/crow/crow/http_response.h b/ext/crow/crow/http_response.h deleted file mode 100644 index 7940174..0000000 --- a/ext/crow/crow/http_response.h +++ /dev/null @@ -1,135 +0,0 @@ -#pragma once -#include -#include - -#include "crow/json.h" -#include "crow/http_request.h" -#include "crow/ci_map.h" - -namespace crow -{ - template - class Connection; - struct response - { - template - friend class crow::Connection; - - int code{200}; - std::string body; - json::wvalue json_value; - - // `headers' stores HTTP headers. - ci_map headers; - - void set_header(std::string key, std::string value) - { - headers.erase(key); - headers.emplace(std::move(key), std::move(value)); - } - void add_header(std::string key, std::string value) - { - headers.emplace(std::move(key), std::move(value)); - } - - const std::string& get_header_value(const std::string& key) - { - return crow::get_header_value(headers, key); - } - - - response() {} - explicit response(int code) : code(code) {} - response(std::string body) : body(std::move(body)) {} - response(json::wvalue&& json_value) : json_value(std::move(json_value)) - { - json_mode(); - } - response(int code, std::string body) : code(code), body(std::move(body)) {} - response(const json::wvalue& json_value) : body(json::dump(json_value)) - { - json_mode(); - } - response(int code, const json::wvalue& json_value) : code(code), body(json::dump(json_value)) - { - json_mode(); - } - - response(response&& r) - { - *this = std::move(r); - } - - response& operator = (const response& r) = delete; - - response& operator = (response&& r) noexcept - { - body = std::move(r.body); - json_value = std::move(r.json_value); - code = r.code; - headers = std::move(r.headers); - completed_ = r.completed_; - return *this; - } - - bool is_completed() const noexcept - { - return completed_; - } - - void clear() - { - body.clear(); - json_value.clear(); - code = 200; - headers.clear(); - completed_ = false; - } - - void redirect(const std::string& location) - { - code = 301; - set_header("Location", location); - } - - void write(const std::string& body_part) - { - body += body_part; - } - - void end() - { - if (!completed_) - { - completed_ = true; - - if (complete_request_handler_) - { - complete_request_handler_(); - } - } - } - - void end(const std::string& body_part) - { - body += body_part; - end(); - } - - bool is_alive() - { - return is_alive_helper_ && is_alive_helper_(); - } - - private: - bool completed_{}; - std::function complete_request_handler_; - std::function is_alive_helper_; - - //In case of a JSON object, set the Content-Type header - void json_mode() - { - set_header("Content-Type", "application/json"); - } - }; -} diff --git a/ext/crow/crow/http_server.h b/ext/crow/crow/http_server.h deleted file mode 100644 index 6aa070e..0000000 --- a/ext/crow/crow/http_server.h +++ /dev/null @@ -1,240 +0,0 @@ -#pragma once - -#include -#include -#include -#ifdef CROW_ENABLE_SSL -#include -#endif -#include -#include -#include -#include - -#include - -#include "crow/http_connection.h" -#include "crow/logging.h" -#include "crow/dumb_timer_queue.h" - -namespace crow -{ - using namespace boost; - using tcp = asio::ip::tcp; - - template - class Server - { - public: - Server(Handler* handler, std::string bindaddr, uint16_t port, std::tuple* middlewares = nullptr, uint16_t concurrency = 1, typename Adaptor::context* adaptor_ctx = nullptr) - : acceptor_(io_service_, tcp::endpoint(boost::asio::ip::address::from_string(bindaddr), port)), - signals_(io_service_, SIGINT, SIGTERM), - tick_timer_(io_service_), - handler_(handler), - concurrency_(concurrency), - port_(port), - bindaddr_(bindaddr), - middlewares_(middlewares), - adaptor_ctx_(adaptor_ctx) - { - } - - void set_tick_function(std::chrono::milliseconds d, std::function f) - { - tick_interval_ = d; - tick_function_ = f; - } - - void on_tick() - { - tick_function_(); - tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count())); - tick_timer_.async_wait([this](const boost::system::error_code& ec) - { - if (ec) - return; - on_tick(); - }); - } - - void run() - { - if (concurrency_ < 0) - concurrency_ = 1; - - for(int i = 0; i < concurrency_; i++) - io_service_pool_.emplace_back(new boost::asio::io_service()); - get_cached_date_str_pool_.resize(concurrency_); - timer_queue_pool_.resize(concurrency_); - - std::vector> v; - std::atomic init_count(0); - for(uint16_t i = 0; i < concurrency_; i ++) - v.push_back( - std::async(std::launch::async, [this, i, &init_count]{ - - // thread local date string get function - auto last = std::chrono::steady_clock::now(); - - std::string date_str; - auto update_date_str = [&] - { - auto last_time_t = time(0); - tm my_tm; - -#ifdef _MSC_VER - gmtime_s(&my_tm, &last_time_t); -#else - gmtime_r(&last_time_t, &my_tm); -#endif - date_str.resize(100); - size_t date_str_sz = strftime(&date_str[0], 99, "%a, %d %b %Y %H:%M:%S GMT", &my_tm); - date_str.resize(date_str_sz); - }; - update_date_str(); - get_cached_date_str_pool_[i] = [&]()->std::string - { - if (std::chrono::steady_clock::now() - last >= std::chrono::seconds(1)) - { - last = std::chrono::steady_clock::now(); - update_date_str(); - } - return date_str; - }; - - // initializing timer queue - detail::dumb_timer_queue timer_queue; - timer_queue_pool_[i] = &timer_queue; - - timer_queue.set_io_service(*io_service_pool_[i]); - boost::asio::deadline_timer timer(*io_service_pool_[i]); - timer.expires_from_now(boost::posix_time::seconds(1)); - - std::function handler; - handler = [&](const boost::system::error_code& ec){ - if (ec) - return; - timer_queue.process(); - timer.expires_from_now(boost::posix_time::seconds(1)); - timer.async_wait(handler); - }; - timer.async_wait(handler); - - init_count ++; - while(1) - { - try - { - if (io_service_pool_[i]->run() == 0) - { - // when io_service.run returns 0, there are no more works to do. - break; - } - } catch(std::exception& e) - { - CROW_LOG_ERROR << "Worker Crash: An uncaught exception occurred: " << e.what(); - } - } - })); - - if (tick_function_ && tick_interval_.count() > 0) - { - tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count())); - tick_timer_.async_wait([this](const boost::system::error_code& ec) - { - if (ec) - return; - on_tick(); - }); - } - - CROW_LOG_INFO << server_name_ << " server is running at " << bindaddr_ <<":" << port_ - << " using " << concurrency_ << " threads"; - CROW_LOG_INFO << "Call `app.loglevel(crow::LogLevel::Warning)` to hide Info level logs."; - - signals_.async_wait( - [&](const boost::system::error_code& /*error*/, int /*signal_number*/){ - stop(); - }); - - while(concurrency_ != init_count) - std::this_thread::yield(); - - do_accept(); - - std::thread([this]{ - io_service_.run(); - CROW_LOG_INFO << "Exiting."; - }).join(); - } - - void stop() - { - io_service_.stop(); - for(auto& io_service:io_service_pool_) - io_service->stop(); - } - - private: - asio::io_service& pick_io_service() - { - // TODO load balancing - roundrobin_index_++; - if (roundrobin_index_ >= io_service_pool_.size()) - roundrobin_index_ = 0; - return *io_service_pool_[roundrobin_index_]; - } - - void do_accept() - { - asio::io_service& is = pick_io_service(); - auto p = new Connection( - is, handler_, server_name_, middlewares_, - get_cached_date_str_pool_[roundrobin_index_], *timer_queue_pool_[roundrobin_index_], - adaptor_ctx_); - acceptor_.async_accept(p->socket(), - [this, p, &is](boost::system::error_code ec) - { - if (!ec) - { - is.post([p] - { - p->start(); - }); - } - else - { - delete p; - } - do_accept(); - }); - } - - private: - asio::io_service io_service_; - std::vector> io_service_pool_; - std::vector timer_queue_pool_; - std::vector> get_cached_date_str_pool_; - tcp::acceptor acceptor_; - boost::asio::signal_set signals_; - boost::asio::deadline_timer tick_timer_; - - Handler* handler_; - uint16_t concurrency_{1}; - std::string server_name_ = "Crow/0.1"; - uint16_t port_; - std::string bindaddr_; - unsigned int roundrobin_index_{}; - - std::chrono::milliseconds tick_interval_; - std::function tick_function_; - - std::tuple* middlewares_; - -#ifdef CROW_ENABLE_SSL - bool use_ssl_{false}; - boost::asio::ssl::context ssl_context_{boost::asio::ssl::context::sslv23}; -#endif - typename Adaptor::context* adaptor_ctx_; - }; -} diff --git a/ext/crow/crow/json.h b/ext/crow/crow/json.h deleted file mode 100644 index d8dbace..0000000 --- a/ext/crow/crow/json.h +++ /dev/null @@ -1,1476 +0,0 @@ -#pragma once - -//#define CROW_JSON_NO_ERROR_CHECK - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "crow/settings.h" - -#if defined(__GNUG__) || defined(__clang__) -#define crow_json_likely(x) __builtin_expect(x, 1) -#define crow_json_unlikely(x) __builtin_expect(x, 0) -#else -#define crow_json_likely(x) x -#define crow_json_unlikely(x) x -#endif - - -namespace crow -{ - namespace mustache - { - class template_t; - } - - namespace json - { - inline void escape(const std::string& str, std::string& ret) - { - ret.reserve(ret.size() + str.size()+str.size()/4); - for(char c:str) - { - switch(c) - { - case '"': ret += "\\\""; break; - case '\\': ret += "\\\\"; break; - case '\n': ret += "\\n"; break; - case '\b': ret += "\\b"; break; - case '\f': ret += "\\f"; break; - case '\r': ret += "\\r"; break; - case '\t': ret += "\\t"; break; - default: - if (0 <= c && c < 0x20) - { - ret += "\\u00"; - auto to_hex = [](char c) - { - c = c&0xf; - if (c < 10) - return '0' + c; - return 'a'+c-10; - }; - ret += to_hex(c/16); - ret += to_hex(c%16); - } - else - ret += c; - break; - } - } - } - inline std::string escape(const std::string& str) - { - std::string ret; - escape(str, ret); - return ret; - } - - enum class type : char - { - Null, - False, - True, - Number, - String, - List, - Object, - }; - - inline const char* get_type_str(type t) { - switch(t){ - case type::Number: return "Number"; - case type::False: return "False"; - case type::True: return "True"; - case type::List: return "List"; - case type::String: return "String"; - case type::Object: return "Object"; - default: return "Unknown"; - } - } - - class rvalue; - rvalue load(const char* data, size_t size); - - namespace detail - { - - struct r_string - : boost::less_than_comparable, - boost::less_than_comparable, - boost::equality_comparable, - boost::equality_comparable - { - r_string() {}; - r_string(char* s, char* e) - : s_(s), e_(e) - {}; - ~r_string() - { - if (owned_) - delete[] s_; - } - - r_string(const r_string& r) - { - *this = r; - } - - r_string(r_string&& r) - { - *this = r; - } - - r_string& operator = (r_string&& r) - { - s_ = r.s_; - e_ = r.e_; - owned_ = r.owned_; - if (r.owned_) - r.owned_ = 0; - return *this; - } - - r_string& operator = (const r_string& r) - { - s_ = r.s_; - e_ = r.e_; - owned_ = 0; - return *this; - } - - operator std::string () const - { - return std::string(s_, e_); - } - - - const char* begin() const { return s_; } - const char* end() const { return e_; } - size_t size() const { return end() - begin(); } - - using iterator = const char*; - using const_iterator = const char*; - - char* s_; - mutable char* e_; - uint8_t owned_{0}; - friend std::ostream& operator << (std::ostream& os, const r_string& s) - { - os << (std::string)s; - return os; - } - private: - void force(char* s, uint32_t /*length*/) - { - s_ = s; - owned_ = 1; - } - friend rvalue crow::json::load(const char* data, size_t size); - }; - - inline bool operator < (const r_string& l, const r_string& r) - { - return boost::lexicographical_compare(l,r); - } - - inline bool operator < (const r_string& l, const std::string& r) - { - return boost::lexicographical_compare(l,r); - } - - inline bool operator > (const r_string& l, const std::string& r) - { - return boost::lexicographical_compare(r,l); - } - - inline bool operator == (const r_string& l, const r_string& r) - { - return boost::equals(l,r); - } - - inline bool operator == (const r_string& l, const std::string& r) - { - return boost::equals(l,r); - } - } - - class rvalue - { - static const int cached_bit = 2; - static const int error_bit = 4; - public: - rvalue() noexcept : option_{error_bit} - {} - rvalue(type t) noexcept - : lsize_{}, lremain_{}, t_{t} - {} - rvalue(type t, char* s, char* e) noexcept - : start_{s}, - end_{e}, - t_{t} - {} - - rvalue(const rvalue& r) - : start_(r.start_), - end_(r.end_), - key_(r.key_), - t_(r.t_), - option_(r.option_) - { - copy_l(r); - } - - rvalue(rvalue&& r) noexcept - { - *this = std::move(r); - } - - rvalue& operator = (const rvalue& r) - { - start_ = r.start_; - end_ = r.end_; - key_ = r.key_; - copy_l(r); - t_ = r.t_; - option_ = r.option_; - return *this; - } - rvalue& operator = (rvalue&& r) noexcept - { - start_ = r.start_; - end_ = r.end_; - key_ = std::move(r.key_); - l_ = std::move(r.l_); - lsize_ = r.lsize_; - lremain_ = r.lremain_; - t_ = r.t_; - option_ = r.option_; - return *this; - } - - explicit operator bool() const noexcept - { - return (option_ & error_bit) == 0; - } - - explicit operator int64_t() const - { - return i(); - } - - explicit operator uint64_t() const - { - return u(); - } - - explicit operator int() const - { - return (int)i(); - } - - type t() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (option_ & error_bit) - { - throw std::runtime_error("invalid json object"); - } -#endif - return t_; - } - - int64_t i() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - switch (t()) { - case type::Number: - case type::String: - return boost::lexical_cast(start_, end_-start_); - default: - const std::string msg = "expected number, got: " - + std::string(get_type_str(t())); - throw std::runtime_error(msg); - } -#endif - return boost::lexical_cast(start_, end_-start_); - } - - uint64_t u() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - switch (t()) { - case type::Number: - case type::String: - return boost::lexical_cast(start_, end_-start_); - default: - throw std::runtime_error(std::string("expected number, got: ") + get_type_str(t())); - } -#endif - return boost::lexical_cast(start_, end_-start_); - } - - double d() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::Number) - throw std::runtime_error("value is not number"); -#endif - return boost::lexical_cast(start_, end_-start_); - } - - bool b() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::True && t() != type::False) - throw std::runtime_error("value is not boolean"); -#endif - return t() == type::True; - } - - void unescape() const - { - if (*(start_-1)) - { - char* head = start_; - char* tail = start_; - while(head != end_) - { - if (*head == '\\') - { - switch(*++head) - { - case '"': *tail++ = '"'; break; - case '\\': *tail++ = '\\'; break; - case '/': *tail++ = '/'; break; - case 'b': *tail++ = '\b'; break; - case 'f': *tail++ = '\f'; break; - case 'n': *tail++ = '\n'; break; - case 'r': *tail++ = '\r'; break; - case 't': *tail++ = '\t'; break; - case 'u': - { - auto from_hex = [](char c) - { - if (c >= 'a') - return c - 'a' + 10; - if (c >= 'A') - return c - 'A' + 10; - return c - '0'; - }; - unsigned int code = - (from_hex(head[1])<<12) + - (from_hex(head[2])<< 8) + - (from_hex(head[3])<< 4) + - from_hex(head[4]); - if (code >= 0x800) - { - *tail++ = 0xE0 | (code >> 12); - *tail++ = 0x80 | ((code >> 6) & 0x3F); - *tail++ = 0x80 | (code & 0x3F); - } - else if (code >= 0x80) - { - *tail++ = 0xC0 | (code >> 6); - *tail++ = 0x80 | (code & 0x3F); - } - else - { - *tail++ = code; - } - head += 4; - } - break; - } - } - else - *tail++ = *head; - head++; - } - end_ = tail; - *end_ = 0; - *(start_-1) = 0; - } - } - - detail::r_string s() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::String) - throw std::runtime_error("value is not string"); -#endif - unescape(); - return detail::r_string{start_, end_}; - } - - bool has(const char* str) const - { - return has(std::string(str)); - } - - bool has(const std::string& str) const - { - struct Pred - { - bool operator()(const rvalue& l, const rvalue& r) const - { - return l.key_ < r.key_; - }; - bool operator()(const rvalue& l, const std::string& r) const - { - return l.key_ < r; - }; - bool operator()(const std::string& l, const rvalue& r) const - { - return l < r.key_; - }; - }; - if (!is_cached()) - { - std::sort(begin(), end(), Pred()); - set_cached(); - } - auto it = lower_bound(begin(), end(), str, Pred()); - return it != end() && it->key_ == str; - } - - int count(const std::string& str) - { - return has(str) ? 1 : 0; - } - - rvalue* begin() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::Object && t() != type::List) - throw std::runtime_error("value is not a container"); -#endif - return l_.get(); - } - rvalue* end() const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::Object && t() != type::List) - throw std::runtime_error("value is not a container"); -#endif - return l_.get()+lsize_; - } - - const detail::r_string& key() const - { - return key_; - } - - size_t size() const - { - if (t() == type::String) - return s().size(); -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::Object && t() != type::List) - throw std::runtime_error("value is not a container"); -#endif - return lsize_; - } - - const rvalue& operator[](int index) const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::List) - throw std::runtime_error("value is not a list"); - if (index >= (int)lsize_ || index < 0) - throw std::runtime_error("list out of bound"); -#endif - return l_[index]; - } - - const rvalue& operator[](size_t index) const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::List) - throw std::runtime_error("value is not a list"); - if (index >= lsize_) - throw std::runtime_error("list out of bound"); -#endif - return l_[index]; - } - - const rvalue& operator[](const char* str) const - { - return this->operator[](std::string(str)); - } - - const rvalue& operator[](const std::string& str) const - { -#ifndef CROW_JSON_NO_ERROR_CHECK - if (t() != type::Object) - throw std::runtime_error("value is not an object"); -#endif - struct Pred - { - bool operator()(const rvalue& l, const rvalue& r) const - { - return l.key_ < r.key_; - }; - bool operator()(const rvalue& l, const std::string& r) const - { - return l.key_ < r; - }; - bool operator()(const std::string& l, const rvalue& r) const - { - return l < r.key_; - }; - }; - if (!is_cached()) - { - std::sort(begin(), end(), Pred()); - set_cached(); - } - auto it = lower_bound(begin(), end(), str, Pred()); - if (it != end() && it->key_ == str) - return *it; -#ifndef CROW_JSON_NO_ERROR_CHECK - throw std::runtime_error("cannot find key"); -#else - static rvalue nullValue; - return nullValue; -#endif - } - - void set_error() - { - option_|=error_bit; - } - - bool error() const - { - return (option_&error_bit)!=0; - } - private: - bool is_cached() const - { - return (option_&cached_bit)!=0; - } - void set_cached() const - { - option_ |= cached_bit; - } - void copy_l(const rvalue& r) - { - if (r.t() != type::Object && r.t() != type::List) - return; - lsize_ = r.lsize_; - lremain_ = 0; - l_.reset(new rvalue[lsize_]); - std::copy(r.begin(), r.end(), begin()); - } - - void emplace_back(rvalue&& v) - { - if (!lremain_) - { - int new_size = lsize_ + lsize_; - if (new_size - lsize_ > 60000) - new_size = lsize_ + 60000; - if (new_size < 4) - new_size = 4; - rvalue* p = new rvalue[new_size]; - rvalue* p2 = p; - for(auto& x : *this) - *p2++ = std::move(x); - l_.reset(p); - lremain_ = new_size - lsize_; - } - l_[lsize_++] = std::move(v); - lremain_ --; - } - - mutable char* start_; - mutable char* end_; - detail::r_string key_; - std::unique_ptr l_; - uint32_t lsize_; - uint16_t lremain_; - type t_; - mutable uint8_t option_{0}; - - friend rvalue load_nocopy_internal(char* data, size_t size); - friend rvalue load(const char* data, size_t size); - friend std::ostream& operator <<(std::ostream& os, const rvalue& r) - { - switch(r.t_) - { - - case type::Null: os << "null"; break; - case type::False: os << "false"; break; - case type::True: os << "true"; break; - case type::Number: os << r.d(); break; - case type::String: os << '"' << r.s() << '"'; break; - case type::List: - { - os << '['; - bool first = true; - for(auto& x : r) - { - if (!first) - os << ','; - first = false; - os << x; - } - os << ']'; - } - break; - case type::Object: - { - os << '{'; - bool first = true; - for(auto& x : r) - { - if (!first) - os << ','; - os << '"' << escape(x.key_) << "\":"; - first = false; - os << x; - } - os << '}'; - } - break; - } - return os; - } - }; - namespace detail { - } - - inline bool operator == (const rvalue& l, const std::string& r) - { - return l.s() == r; - } - - inline bool operator == (const std::string& l, const rvalue& r) - { - return l == r.s(); - } - - inline bool operator != (const rvalue& l, const std::string& r) - { - return l.s() != r; - } - - inline bool operator != (const std::string& l, const rvalue& r) - { - return l != r.s(); - } - - inline bool operator == (const rvalue& l, double r) - { - return l.d() == r; - } - - inline bool operator == (double l, const rvalue& r) - { - return l == r.d(); - } - - inline bool operator != (const rvalue& l, double r) - { - return l.d() != r; - } - - inline bool operator != (double l, const rvalue& r) - { - return l != r.d(); - } - - - inline rvalue load_nocopy_internal(char* data, size_t size) - { - //static const char* escaped = "\"\\/\b\f\n\r\t"; - struct Parser - { - Parser(char* data, size_t /*size*/) - : data(data) - { - } - - bool consume(char c) - { - if (crow_json_unlikely(*data != c)) - return false; - data++; - return true; - } - - void ws_skip() - { - while(*data == ' ' || *data == '\t' || *data == '\r' || *data == '\n') ++data; - }; - - rvalue decode_string() - { - if (crow_json_unlikely(!consume('"'))) - return {}; - char* start = data; - uint8_t has_escaping = 0; - while(1) - { - if (crow_json_likely(*data != '"' && *data != '\\' && *data != '\0')) - { - data ++; - } - else if (*data == '"') - { - *data = 0; - *(start-1) = has_escaping; - data++; - return {type::String, start, data-1}; - } - else if (*data == '\\') - { - has_escaping = 1; - data++; - switch(*data) - { - case 'u': - { - auto check = [](char c) - { - return - ('0' <= c && c <= '9') || - ('a' <= c && c <= 'f') || - ('A' <= c && c <= 'F'); - }; - if (!(check(*(data+1)) && - check(*(data+2)) && - check(*(data+3)) && - check(*(data+4)))) - return {}; - } - data += 5; - break; - case '"': - case '\\': - case '/': - case 'b': - case 'f': - case 'n': - case 'r': - case 't': - data ++; - break; - default: - return {}; - } - } - else - return {}; - } - return {}; - } - - rvalue decode_list() - { - rvalue ret(type::List); - if (crow_json_unlikely(!consume('['))) - { - ret.set_error(); - return ret; - } - ws_skip(); - if (crow_json_unlikely(*data == ']')) - { - data++; - return ret; - } - - while(1) - { - auto v = decode_value(); - if (crow_json_unlikely(!v)) - { - ret.set_error(); - break; - } - ws_skip(); - ret.emplace_back(std::move(v)); - if (*data == ']') - { - data++; - break; - } - if (crow_json_unlikely(!consume(','))) - { - ret.set_error(); - break; - } - ws_skip(); - } - return ret; - } - - rvalue decode_number() - { - char* start = data; - - enum NumberParsingState - { - Minus, - AfterMinus, - ZeroFirst, - Digits, - DigitsAfterPoints, - E, - DigitsAfterE, - Invalid, - } state{Minus}; - while(crow_json_likely(state != Invalid)) - { - switch(*data) - { - case '0': - state = (NumberParsingState)"\2\2\7\3\4\6\6"[state]; - /*if (state == NumberParsingState::Minus || state == NumberParsingState::AfterMinus) - { - state = NumberParsingState::ZeroFirst; - } - else if (state == NumberParsingState::Digits || - state == NumberParsingState::DigitsAfterE || - state == NumberParsingState::DigitsAfterPoints) - { - // ok; pass - } - else if (state == NumberParsingState::E) - { - state = NumberParsingState::DigitsAfterE; - } - else - return {};*/ - break; - case '1': case '2': case '3': - case '4': case '5': case '6': - case '7': case '8': case '9': - state = (NumberParsingState)"\3\3\7\3\4\6\6"[state]; - while(*(data+1) >= '0' && *(data+1) <= '9') data++; - /*if (state == NumberParsingState::Minus || state == NumberParsingState::AfterMinus) - { - state = NumberParsingState::Digits; - } - else if (state == NumberParsingState::Digits || - state == NumberParsingState::DigitsAfterE || - state == NumberParsingState::DigitsAfterPoints) - { - // ok; pass - } - else if (state == NumberParsingState::E) - { - state = NumberParsingState::DigitsAfterE; - } - else - return {};*/ - break; - case '.': - state = (NumberParsingState)"\7\7\4\4\7\7\7"[state]; - /* - if (state == NumberParsingState::Digits || state == NumberParsingState::ZeroFirst) - { - state = NumberParsingState::DigitsAfterPoints; - } - else - return {}; - */ - break; - case '-': - state = (NumberParsingState)"\1\7\7\7\7\6\7"[state]; - /*if (state == NumberParsingState::Minus) - { - state = NumberParsingState::AfterMinus; - } - else if (state == NumberParsingState::E) - { - state = NumberParsingState::DigitsAfterE; - } - else - return {};*/ - break; - case '+': - state = (NumberParsingState)"\7\7\7\7\7\6\7"[state]; - /*if (state == NumberParsingState::E) - { - state = NumberParsingState::DigitsAfterE; - } - else - return {};*/ - break; - case 'e': case 'E': - state = (NumberParsingState)"\7\7\7\5\5\7\7"[state]; - /*if (state == NumberParsingState::Digits || - state == NumberParsingState::DigitsAfterPoints) - { - state = NumberParsingState::E; - } - else - return {};*/ - break; - default: - if (crow_json_likely(state == NumberParsingState::ZeroFirst || - state == NumberParsingState::Digits || - state == NumberParsingState::DigitsAfterPoints || - state == NumberParsingState::DigitsAfterE)) - return {type::Number, start, data}; - else - return {}; - } - data++; - } - - return {}; - } - - rvalue decode_value() - { - switch(*data) - { - case '[': - return decode_list(); - case '{': - return decode_object(); - case '"': - return decode_string(); - case 't': - if (//e-data >= 4 && - data[1] == 'r' && - data[2] == 'u' && - data[3] == 'e') - { - data += 4; - return {type::True}; - } - else - return {}; - case 'f': - if (//e-data >= 5 && - data[1] == 'a' && - data[2] == 'l' && - data[3] == 's' && - data[4] == 'e') - { - data += 5; - return {type::False}; - } - else - return {}; - case 'n': - if (//e-data >= 4 && - data[1] == 'u' && - data[2] == 'l' && - data[3] == 'l') - { - data += 4; - return {type::Null}; - } - else - return {}; - //case '1': case '2': case '3': - //case '4': case '5': case '6': - //case '7': case '8': case '9': - //case '0': case '-': - default: - return decode_number(); - } - return {}; - } - - rvalue decode_object() - { - rvalue ret(type::Object); - if (crow_json_unlikely(!consume('{'))) - { - ret.set_error(); - return ret; - } - - ws_skip(); - - if (crow_json_unlikely(*data == '}')) - { - data++; - return ret; - } - - while(1) - { - auto t = decode_string(); - if (crow_json_unlikely(!t)) - { - ret.set_error(); - break; - } - - ws_skip(); - if (crow_json_unlikely(!consume(':'))) - { - ret.set_error(); - break; - } - - // TODO caching key to speed up (flyweight?) - auto key = t.s(); - - ws_skip(); - auto v = decode_value(); - if (crow_json_unlikely(!v)) - { - ret.set_error(); - break; - } - ws_skip(); - - v.key_ = std::move(key); - ret.emplace_back(std::move(v)); - if (crow_json_unlikely(*data == '}')) - { - data++; - break; - } - if (crow_json_unlikely(!consume(','))) - { - ret.set_error(); - break; - } - ws_skip(); - } - return ret; - } - - rvalue parse() - { - ws_skip(); - auto ret = decode_value(); // or decode object? - ws_skip(); - if (ret && *data != '\0') - ret.set_error(); - return ret; - } - - char* data; - }; - return Parser(data, size).parse(); - } - inline rvalue load(const char* data, size_t size) - { - char* s = new char[size+1]; - memcpy(s, data, size); - s[size] = 0; - auto ret = load_nocopy_internal(s, size); - if (ret) - ret.key_.force(s, size); - else - delete[] s; - return ret; - } - - inline rvalue load(const char* data) - { - return load(data, strlen(data)); - } - - inline rvalue load(const std::string& str) - { - return load(str.data(), str.size()); - } - - class wvalue - { - friend class crow::mustache::template_t; - public: - type t() const { return t_; } - private: - type t_{type::Null}; - double d {}; - std::string s; - std::unique_ptr> l; - std::unique_ptr> o; - public: - - wvalue() {} - - wvalue(const rvalue& r) - { - t_ = r.t(); - switch(r.t()) - { - case type::Null: - case type::False: - case type::True: - return; - case type::Number: - d = r.d(); - return; - case type::String: - s = r.s(); - return; - case type::List: - l = std::unique_ptr>(new std::vector{}); - l->reserve(r.size()); - for(auto it = r.begin(); it != r.end(); ++it) - l->emplace_back(*it); - return; - case type::Object: - o = std::unique_ptr< - std::unordered_map - >( - new std::unordered_map{}); - for(auto it = r.begin(); it != r.end(); ++it) - o->emplace(it->key(), *it); - return; - } - } - - wvalue(wvalue&& r) - { - *this = std::move(r); - } - - wvalue& operator = (wvalue&& r) - { - t_ = r.t_; - d = r.d; - s = std::move(r.s); - l = std::move(r.l); - o = std::move(r.o); - return *this; - } - - void clear() - { - t_ = type::Null; - l.reset(); - o.reset(); - } - - void reset() - { - t_ = type::Null; - l.reset(); - o.reset(); - } - - wvalue& operator = (std::nullptr_t) - { - reset(); - return *this; - } - wvalue& operator = (bool value) - { - reset(); - if (value) - t_ = type::True; - else - t_ = type::False; - return *this; - } - - wvalue& operator = (double value) - { - reset(); - t_ = type::Number; - d = value; - return *this; - } - - wvalue& operator = (unsigned short value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (short value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (long long value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (long value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (int value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (unsigned long long value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (unsigned long value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator = (unsigned int value) - { - reset(); - t_ = type::Number; - d = (double)value; - return *this; - } - - wvalue& operator=(const char* str) - { - reset(); - t_ = type::String; - s = str; - return *this; - } - - wvalue& operator=(const std::string& str) - { - reset(); - t_ = type::String; - s = str; - return *this; - } - - wvalue& operator=(std::vector&& v) - { - if (t_ != type::List) - reset(); - t_ = type::List; - if (!l) - l = std::unique_ptr>(new std::vector{}); - l->clear(); - l->resize(v.size()); - size_t idx = 0; - for(auto& x:v) - { - (*l)[idx++] = std::move(x); - } - return *this; - } - - template - wvalue& operator=(const std::vector& v) - { - if (t_ != type::List) - reset(); - t_ = type::List; - if (!l) - l = std::unique_ptr>(new std::vector{}); - l->clear(); - l->resize(v.size()); - size_t idx = 0; - for(auto& x:v) - { - (*l)[idx++] = x; - } - return *this; - } - - wvalue& operator[](unsigned index) - { - if (t_ != type::List) - reset(); - t_ = type::List; - if (!l) - l = std::unique_ptr>(new std::vector{}); - if (l->size() < index+1) - l->resize(index+1); - return (*l)[index]; - } - - int count(const std::string& str) - { - if (t_ != type::Object) - return 0; - if (!o) - return 0; - return o->count(str); - } - - wvalue& operator[](const std::string& str) - { - if (t_ != type::Object) - reset(); - t_ = type::Object; - if (!o) - o = std::unique_ptr< - std::unordered_map - >( - new std::unordered_map{}); - return (*o)[str]; - } - - std::vector keys() const - { - if (t_ != type::Object) - return {}; - std::vector result; - for (auto& kv:*o) - { - result.push_back(kv.first); - } - return result; - } - - size_t estimate_length() const - { - switch(t_) - { - case type::Null: return 4; - case type::False: return 5; - case type::True: return 4; - case type::Number: return 30; - case type::String: return 2+s.size()+s.size()/2; - case type::List: - { - size_t sum{}; - if (l) - { - for(auto& x:*l) - { - sum += 1; - sum += x.estimate_length(); - } - } - return sum+2; - } - case type::Object: - { - size_t sum{}; - if (o) - { - for(auto& kv:*o) - { - sum += 2; - sum += 2+kv.first.size()+kv.first.size()/2; - sum += kv.second.estimate_length(); - } - } - return sum+2; - } - } - return 1; - } - - friend void dump_internal(const wvalue& v, std::string& out); - friend std::string dump(const wvalue& v); - }; - - inline void dump_string(const std::string& str, std::string& out) - { - out.push_back('"'); - escape(str, out); - out.push_back('"'); - } - inline void dump_internal(const wvalue& v, std::string& out) - { - switch(v.t_) - { - case type::Null: out += "null"; break; - case type::False: out += "false"; break; - case type::True: out += "true"; break; - case type::Number: - { - char outbuf[128]; -#ifdef _MSC_VER - sprintf_s(outbuf, 128, "%g", v.d); -#else - sprintf(outbuf, "%g", v.d); -#endif - - out += outbuf; - } - break; - case type::String: dump_string(v.s, out); break; - case type::List: - { - out.push_back('['); - if (v.l) - { - bool first = true; - for(auto& x:*v.l) - { - if (!first) - { - out.push_back(','); - } - first = false; - dump_internal(x, out); - } - } - out.push_back(']'); - } - break; - case type::Object: - { - out.push_back('{'); - if (v.o) - { - bool first = true; - for(auto& kv:*v.o) - { - if (!first) - { - out.push_back(','); - } - first = false; - dump_string(kv.first, out); - out.push_back(':'); - dump_internal(kv.second, out); - } - } - out.push_back('}'); - } - break; - } - } - - inline std::string dump(const wvalue& v) - { - std::string ret; - ret.reserve(v.estimate_length()); - dump_internal(v, ret); - return ret; - } - - //std::vector dump_ref(wvalue& v) - //{ - //} - } -} - -#undef crow_json_likely -#undef crow_json_unlikely diff --git a/ext/crow/crow/logging.h b/ext/crow/crow/logging.h deleted file mode 100644 index 9c8bfbb..0000000 --- a/ext/crow/crow/logging.h +++ /dev/null @@ -1,142 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include -#include - -#include "crow/settings.h" - -namespace crow -{ - enum class LogLevel - { -#ifndef ERROR - DEBUG = 0, - INFO, - WARNING, - ERROR, - CRITICAL, -#endif - - Debug = 0, - Info, - Warning, - Error, - Critical, - }; - - class ILogHandler { - public: - virtual void log(std::string message, LogLevel level) = 0; - }; - - class CerrLogHandler : public ILogHandler { - public: - void log(std::string message, LogLevel /*level*/) override { - std::cerr << message; - } - }; - - class logger { - - private: - // - static std::string timestamp() - { - char date[32]; - time_t t = time(0); - - tm my_tm; - -#ifdef _MSC_VER - gmtime_s(&my_tm, &t); -#else - gmtime_r(&t, &my_tm); -#endif - - size_t sz = strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", &my_tm); - return std::string(date, date+sz); - } - - public: - - - logger(std::string prefix, LogLevel level) : level_(level) { - #ifdef CROW_ENABLE_LOGGING - stringstream_ << "(" << timestamp() << ") [" << prefix << "] "; - #endif - - } - ~logger() { - #ifdef CROW_ENABLE_LOGGING - if(level_ >= get_current_log_level()) { - stringstream_ << std::endl; - get_handler_ref()->log(stringstream_.str(), level_); - } - #endif - } - - // - template - logger& operator<<(T const &value) { - - #ifdef CROW_ENABLE_LOGGING - if(level_ >= get_current_log_level()) { - stringstream_ << value; - } - #endif - return *this; - } - - // - static void setLogLevel(LogLevel level) { - get_log_level_ref() = level; - } - - static void setHandler(ILogHandler* handler) { - get_handler_ref() = handler; - } - - static LogLevel get_current_log_level() { - return get_log_level_ref(); - } - - private: - // - static LogLevel& get_log_level_ref() - { - static LogLevel current_level = (LogLevel)CROW_LOG_LEVEL; - return current_level; - } - static ILogHandler*& get_handler_ref() - { - static CerrLogHandler default_handler; - static ILogHandler* current_handler = &default_handler; - return current_handler; - } - - // - std::ostringstream stringstream_; - LogLevel level_; - }; -} - -#define CROW_LOG_CRITICAL \ - if (crow::logger::get_current_log_level() <= crow::LogLevel::Critical) \ - crow::logger("CRITICAL", crow::LogLevel::Critical) -#define CROW_LOG_ERROR \ - if (crow::logger::get_current_log_level() <= crow::LogLevel::Error) \ - crow::logger("ERROR ", crow::LogLevel::Error) -#define CROW_LOG_WARNING \ - if (crow::logger::get_current_log_level() <= crow::LogLevel::Warning) \ - crow::logger("WARNING ", crow::LogLevel::Warning) -#define CROW_LOG_INFO \ - if (crow::logger::get_current_log_level() <= crow::LogLevel::Info) \ - crow::logger("INFO ", crow::LogLevel::Info) -#define CROW_LOG_DEBUG \ - if (crow::logger::get_current_log_level() <= crow::LogLevel::Debug) \ - crow::logger("DEBUG ", crow::LogLevel::Debug) - diff --git a/ext/crow/crow/middleware.h b/ext/crow/crow/middleware.h deleted file mode 100644 index 3858018..0000000 --- a/ext/crow/crow/middleware.h +++ /dev/null @@ -1,131 +0,0 @@ -#pragma once -#include -#include "crow/http_request.h" -#include "crow/http_response.h" - -namespace crow -{ - // Any middleware requires following 3 members: - - // struct context; - // storing data for the middleware; can be read from another middleware or handlers - - // before_handle - // called before handling the request. - // if res.end() is called, the operation is halted. - // (still call after_handle of this middleware) - // 2 signatures: - // void before_handle(request& req, response& res, context& ctx) - // if you only need to access this middlewares context. - // template - // void before_handle(request& req, response& res, context& ctx, AllContext& all_ctx) - // you can access another middlewares' context by calling `all_ctx.template get()' - // ctx == all_ctx.template get() - - // after_handle - // called after handling the request. - // void after_handle(request& req, response& res, context& ctx) - // template - // void after_handle(request& req, response& res, context& ctx, AllContext& all_ctx) - - struct CookieParser - { - struct context - { - std::unordered_map jar; - std::unordered_map cookies_to_add; - - std::string get_cookie(const std::string& key) const - { - auto cookie = jar.find(key); - if (cookie != jar.end()) - return cookie->second; - return {}; - } - - void set_cookie(const std::string& key, const std::string& value) - { - cookies_to_add.emplace(key, value); - } - }; - - void before_handle(request& req, response& res, context& ctx) - { - int count = req.headers.count("Cookie"); - if (!count) - return; - if (count > 1) - { - res.code = 400; - res.end(); - return; - } - std::string cookies = req.get_header_value("Cookie"); - size_t pos = 0; - while(pos < cookies.size()) - { - size_t pos_equal = cookies.find('=', pos); - if (pos_equal == cookies.npos) - break; - std::string name = cookies.substr(pos, pos_equal-pos); - boost::trim(name); - pos = pos_equal+1; - while(pos < cookies.size() && cookies[pos] == ' ') pos++; - if (pos == cookies.size()) - break; - - size_t pos_semicolon = cookies.find(';', pos); - std::string value = cookies.substr(pos, pos_semicolon-pos); - - boost::trim(value); - if (value[0] == '"' && value[value.size()-1] == '"') - { - value = value.substr(1, value.size()-2); - } - - ctx.jar.emplace(std::move(name), std::move(value)); - - pos = pos_semicolon; - if (pos == cookies.npos) - break; - pos++; - while(pos < cookies.size() && cookies[pos] == ' ') pos++; - } - } - - void after_handle(request& /*req*/, response& res, context& ctx) - { - for(auto& cookie:ctx.cookies_to_add) - { - if (cookie.second.empty()) - res.add_header("Set-Cookie", cookie.first + "=\"\""); - else - res.add_header("Set-Cookie", cookie.first + "=" + cookie.second); - } - } - }; - - /* - App app; - A B C - A::context - int aa; - - ctx1 : public A::context - ctx2 : public ctx1, public B::context - ctx3 : public ctx2, public C::context - - C depends on A - - C::handle - context.aaa - - App::context : private CookieParser::contetx, ... - { - jar - - } - - SimpleApp - */ -} diff --git a/ext/crow/crow/middleware_context.h b/ext/crow/crow/middleware_context.h deleted file mode 100644 index 6885c13..0000000 --- a/ext/crow/crow/middleware_context.h +++ /dev/null @@ -1,59 +0,0 @@ -#pragma once - -#include "crow/utility.h" -#include "crow/http_request.h" -#include "crow/http_response.h" - -namespace crow -{ - namespace detail - { - template - struct partial_context - : public black_magic::pop_back::template rebind - , public black_magic::last_element_type::type::context - { - using parent_context = typename black_magic::pop_back::template rebind<::crow::detail::partial_context>; - template - using partial = typename std::conditional>::type; - - template - typename T::context& get() - { - return static_cast(*this); - } - }; - - template <> - struct partial_context<> - { - template - using partial = partial_context; - }; - - template - bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx); - - template - struct context : private partial_context - //struct context : private Middlewares::context... // simple but less type-safe - { - template - friend typename std::enable_if<(N==0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res); - template - friend typename std::enable_if<(N>0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res); - - template - friend bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx); - - template - typename T::context& get() - { - return static_cast(*this); - } - - template - using partial = typename partial_context::template partial; - }; - } -} diff --git a/ext/crow/crow/mustache.h b/ext/crow/crow/mustache.h deleted file mode 100644 index bfb9f14..0000000 --- a/ext/crow/crow/mustache.h +++ /dev/null @@ -1,568 +0,0 @@ -#pragma once -#include -#include -#include -#include -#include -#include "crow/json.h" -namespace crow -{ - namespace mustache - { - using context = json::wvalue; - - template_t load(const std::string& filename); - - class invalid_template_exception : public std::exception - { - public: - invalid_template_exception(const std::string& msg) - : msg("crow::mustache error: " + msg) - { - } - virtual const char* what() const throw() - { - return msg.c_str(); - } - std::string msg; - }; - - enum class ActionType - { - Ignore, - Tag, - UnescapeTag, - OpenBlock, - CloseBlock, - ElseBlock, - Partial, - }; - - struct Action - { - int start; - int end; - int pos; - ActionType t; - Action(ActionType t, int start, int end, int pos = 0) - : start(start), end(end), pos(pos), t(t) - {} - }; - - class template_t - { - public: - template_t(std::string body) - : body_(std::move(body)) - { - // {{ {{# {{/ {{^ {{! {{> {{= - parse(); - } - - private: - std::string tag_name(const Action& action) - { - return body_.substr(action.start, action.end - action.start); - } - auto find_context(const std::string& name, const std::vector& stack)->std::pair - { - if (name == ".") - { - return {true, *stack.back()}; - } - int dotPosition = name.find("."); - if (dotPosition == (int)name.npos) - { - for(auto it = stack.rbegin(); it != stack.rend(); ++it) - { - if ((*it)->t() == json::type::Object) - { - if ((*it)->count(name)) - return {true, (**it)[name]}; - } - } - } - else - { - std::vector dotPositions; - dotPositions.push_back(-1); - while(dotPosition != (int)name.npos) - { - dotPositions.push_back(dotPosition); - dotPosition = name.find(".", dotPosition+1); - } - dotPositions.push_back(name.size()); - std::vector names; - names.reserve(dotPositions.size()-1); - for(int i = 1; i < (int)dotPositions.size(); i ++) - names.emplace_back(name.substr(dotPositions[i-1]+1, dotPositions[i]-dotPositions[i-1]-1)); - - for(auto it = stack.rbegin(); it != stack.rend(); ++it) - { - context* view = *it; - bool found = true; - for(auto jt = names.begin(); jt != names.end(); ++jt) - { - if (view->t() == json::type::Object && - view->count(*jt)) - { - view = &(*view)[*jt]; - } - else - { - found = false; - break; - } - } - if (found) - return {true, *view}; - } - - } - - static json::wvalue empty_str; - empty_str = ""; - return {false, empty_str}; - } - - void escape(const std::string& in, std::string& out) - { - out.reserve(out.size() + in.size()); - for(auto it = in.begin(); it != in.end(); ++it) - { - switch(*it) - { - case '&': out += "&"; break; - case '<': out += "<"; break; - case '>': out += ">"; break; - case '"': out += """; break; - case '\'': out += "'"; break; - case '/': out += "/"; break; - default: out += *it; break; - } - } - } - - void render_internal(int actionBegin, int actionEnd, std::vector& stack, std::string& out, int indent) - { - int current = actionBegin; - - if (indent) - out.insert(out.size(), indent, ' '); - - while(current < actionEnd) - { - auto& fragment = fragments_[current]; - auto& action = actions_[current]; - render_fragment(fragment, indent, out); - switch(action.t) - { - case ActionType::Ignore: - // do nothing - break; - case ActionType::Partial: - { - std::string partial_name = tag_name(action); - auto partial_templ = load(partial_name); - int partial_indent = action.pos; - partial_templ.render_internal(0, partial_templ.fragments_.size()-1, stack, out, partial_indent?indent+partial_indent:0); - } - break; - case ActionType::UnescapeTag: - case ActionType::Tag: - { - auto optional_ctx = find_context(tag_name(action), stack); - auto& ctx = optional_ctx.second; - switch(ctx.t()) - { - case json::type::Number: - out += json::dump(ctx); - break; - case json::type::String: - if (action.t == ActionType::Tag) - escape(ctx.s, out); - else - out += ctx.s; - break; - default: - throw std::runtime_error("not implemented tag type" + boost::lexical_cast((int)ctx.t())); - } - } - break; - case ActionType::ElseBlock: - { - static context nullContext; - auto optional_ctx = find_context(tag_name(action), stack); - if (!optional_ctx.first) - { - stack.emplace_back(&nullContext); - break; - } - - auto& ctx = optional_ctx.second; - switch(ctx.t()) - { - case json::type::List: - if (ctx.l && !ctx.l->empty()) - current = action.pos; - else - stack.emplace_back(&nullContext); - break; - case json::type::False: - case json::type::Null: - stack.emplace_back(&nullContext); - break; - default: - current = action.pos; - break; - } - break; - } - case ActionType::OpenBlock: - { - auto optional_ctx = find_context(tag_name(action), stack); - if (!optional_ctx.first) - { - current = action.pos; - break; - } - - auto& ctx = optional_ctx.second; - switch(ctx.t()) - { - case json::type::List: - if (ctx.l) - for(auto it = ctx.l->begin(); it != ctx.l->end(); ++it) - { - stack.push_back(&*it); - render_internal(current+1, action.pos, stack, out, indent); - stack.pop_back(); - } - current = action.pos; - break; - case json::type::Number: - case json::type::String: - case json::type::Object: - case json::type::True: - stack.push_back(&ctx); - break; - case json::type::False: - case json::type::Null: - current = action.pos; - break; - default: - throw std::runtime_error("{{#: not implemented context type: " + boost::lexical_cast((int)ctx.t())); - break; - } - break; - } - case ActionType::CloseBlock: - stack.pop_back(); - break; - default: - throw std::runtime_error("not implemented " + boost::lexical_cast((int)action.t)); - } - current++; - } - auto& fragment = fragments_[actionEnd]; - render_fragment(fragment, indent, out); - } - void render_fragment(const std::pair fragment, int indent, std::string& out) - { - if (indent) - { - for(int i = fragment.first; i < fragment.second; i ++) - { - out += body_[i]; - if (body_[i] == '\n' && i+1 != (int)body_.size()) - out.insert(out.size(), indent, ' '); - } - } - else - out.insert(out.size(), body_, fragment.first, fragment.second-fragment.first); - } - public: - std::string render() - { - context empty_ctx; - std::vector stack; - stack.emplace_back(&empty_ctx); - - std::string ret; - render_internal(0, fragments_.size()-1, stack, ret, 0); - return ret; - } - std::string render(context& ctx) - { - std::vector stack; - stack.emplace_back(&ctx); - - std::string ret; - render_internal(0, fragments_.size()-1, stack, ret, 0); - return ret; - } - - private: - - void parse() - { - std::string tag_open = "{{"; - std::string tag_close = "}}"; - - std::vector blockPositions; - - size_t current = 0; - while(1) - { - size_t idx = body_.find(tag_open, current); - if (idx == body_.npos) - { - fragments_.emplace_back(current, body_.size()); - actions_.emplace_back(ActionType::Ignore, 0, 0); - break; - } - fragments_.emplace_back(current, idx); - - idx += tag_open.size(); - size_t endIdx = body_.find(tag_close, idx); - if (endIdx == idx) - { - throw invalid_template_exception("empty tag is not allowed"); - } - if (endIdx == body_.npos) - { - // error, no matching tag - throw invalid_template_exception("not matched opening tag"); - } - current = endIdx + tag_close.size(); - switch(body_[idx]) - { - case '#': - idx++; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - blockPositions.emplace_back(actions_.size()); - actions_.emplace_back(ActionType::OpenBlock, idx, endIdx); - break; - case '/': - idx++; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - { - auto& matched = actions_[blockPositions.back()]; - if (body_.compare(idx, endIdx-idx, - body_, matched.start, matched.end - matched.start) != 0) - { - throw invalid_template_exception("not matched {{# {{/ pair: " + - body_.substr(matched.start, matched.end - matched.start) + ", " + - body_.substr(idx, endIdx-idx)); - } - matched.pos = actions_.size(); - } - actions_.emplace_back(ActionType::CloseBlock, idx, endIdx, blockPositions.back()); - blockPositions.pop_back(); - break; - case '^': - idx++; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - blockPositions.emplace_back(actions_.size()); - actions_.emplace_back(ActionType::ElseBlock, idx, endIdx); - break; - case '!': - // do nothing action - actions_.emplace_back(ActionType::Ignore, idx+1, endIdx); - break; - case '>': // partial - idx++; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - actions_.emplace_back(ActionType::Partial, idx, endIdx); - break; - case '{': - if (tag_open != "{{" || tag_close != "}}") - throw invalid_template_exception("cannot use triple mustache when delimiter changed"); - - idx ++; - if (body_[endIdx+2] != '}') - { - throw invalid_template_exception("{{{: }}} not matched"); - } - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - actions_.emplace_back(ActionType::UnescapeTag, idx, endIdx); - current++; - break; - case '&': - idx ++; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - actions_.emplace_back(ActionType::UnescapeTag, idx, endIdx); - break; - case '=': - // tag itself is no-op - idx ++; - actions_.emplace_back(ActionType::Ignore, idx, endIdx); - endIdx --; - if (body_[endIdx] != '=') - throw invalid_template_exception("{{=: not matching = tag: "+body_.substr(idx, endIdx-idx)); - endIdx --; - while(body_[idx] == ' ') idx++; - while(body_[endIdx] == ' ') endIdx--; - endIdx++; - { - bool succeeded = false; - for(size_t i = idx; i < endIdx; i++) - { - if (body_[i] == ' ') - { - tag_open = body_.substr(idx, i-idx); - while(body_[i] == ' ') i++; - tag_close = body_.substr(i, endIdx-i); - if (tag_open.empty()) - throw invalid_template_exception("{{=: empty open tag"); - if (tag_close.empty()) - throw invalid_template_exception("{{=: empty close tag"); - - if (tag_close.find(" ") != tag_close.npos) - throw invalid_template_exception("{{=: invalid open/close tag: "+tag_open+" " + tag_close); - succeeded = true; - break; - } - } - if (!succeeded) - throw invalid_template_exception("{{=: cannot find space between new open/close tags"); - } - break; - default: - // normal tag case; - while(body_[idx] == ' ') idx++; - while(body_[endIdx-1] == ' ') endIdx--; - actions_.emplace_back(ActionType::Tag, idx, endIdx); - break; - } - } - - // removing standalones - for(int i = actions_.size()-2; i >= 0; i --) - { - if (actions_[i].t == ActionType::Tag || actions_[i].t == ActionType::UnescapeTag) - continue; - auto& fragment_before = fragments_[i]; - auto& fragment_after = fragments_[i+1]; - bool is_last_action = i == (int)actions_.size()-2; - bool all_space_before = true; - int j, k; - for(j = fragment_before.second-1;j >= fragment_before.first;j--) - { - if (body_[j] != ' ') - { - all_space_before = false; - break; - } - } - if (all_space_before && i > 0) - continue; - if (!all_space_before && body_[j] != '\n') - continue; - bool all_space_after = true; - for(k = fragment_after.first; k < (int)body_.size() && k < fragment_after.second; k ++) - { - if (body_[k] != ' ') - { - all_space_after = false; - break; - } - } - if (all_space_after && !is_last_action) - continue; - if (!all_space_after && - !( - body_[k] == '\n' - || - (body_[k] == '\r' && - k + 1 < (int)body_.size() && - body_[k+1] == '\n'))) - continue; - if (actions_[i].t == ActionType::Partial) - { - actions_[i].pos = fragment_before.second - j - 1; - } - fragment_before.second = j+1; - if (!all_space_after) - { - if (body_[k] == '\n') - k++; - else - k += 2; - fragment_after.first = k; - } - } - } - - std::vector> fragments_; - std::vector actions_; - std::string body_; - }; - - inline template_t compile(const std::string& body) - { - return template_t(body); - } - namespace detail - { - inline std::string& get_template_base_directory_ref() - { - static std::string template_base_directory = "templates"; - return template_base_directory; - } - } - - inline std::string default_loader(const std::string& filename) - { - std::string path = detail::get_template_base_directory_ref(); - if (!(path.back() == '/' || path.back() == '\\')) - path += '/'; - path += filename; - std::ifstream inf(path); - if (!inf) - return {}; - return {std::istreambuf_iterator(inf), std::istreambuf_iterator()}; - } - - namespace detail - { - inline std::function& get_loader_ref() - { - static std::function loader = default_loader; - return loader; - } - } - - inline void set_base(const std::string& path) - { - auto& base = detail::get_template_base_directory_ref(); - base = path; - if (base.back() != '\\' && - base.back() != '/') - { - base += '/'; - } - } - - inline void set_loader(std::function loader) - { - detail::get_loader_ref() = std::move(loader); - } - - inline std::string load_text(const std::string& filename) - { - return detail::get_loader_ref()(filename); - } - - inline template_t load(const std::string& filename) - { - return compile(detail::get_loader_ref()(filename)); - } - } -} diff --git a/ext/crow/crow/parser.h b/ext/crow/crow/parser.h deleted file mode 100644 index 61f5aee..0000000 --- a/ext/crow/crow/parser.h +++ /dev/null @@ -1,167 +0,0 @@ -#pragma once - -#include -#include -#include -#include - -#include "crow/http_parser_merged.h" -#include "crow/http_request.h" - -namespace crow -{ - template - struct HTTPParser : public http_parser - { - static int on_message_begin(http_parser* self_) - { - HTTPParser* self = static_cast(self_); - self->clear(); - return 0; - } - static int on_url(http_parser* self_, const char* at, size_t length) - { - HTTPParser* self = static_cast(self_); - self->raw_url.insert(self->raw_url.end(), at, at+length); - return 0; - } - static int on_header_field(http_parser* self_, const char* at, size_t length) - { - HTTPParser* self = static_cast(self_); - switch (self->header_building_state) - { - case 0: - if (!self->header_value.empty()) - { - self->headers.emplace(std::move(self->header_field), std::move(self->header_value)); - } - self->header_field.assign(at, at+length); - self->header_building_state = 1; - break; - case 1: - self->header_field.insert(self->header_field.end(), at, at+length); - break; - } - return 0; - } - static int on_header_value(http_parser* self_, const char* at, size_t length) - { - HTTPParser* self = static_cast(self_); - switch (self->header_building_state) - { - case 0: - self->header_value.insert(self->header_value.end(), at, at+length); - break; - case 1: - self->header_building_state = 0; - self->header_value.assign(at, at+length); - break; - } - return 0; - } - static int on_headers_complete(http_parser* self_) - { - HTTPParser* self = static_cast(self_); - if (!self->header_field.empty()) - { - self->headers.emplace(std::move(self->header_field), std::move(self->header_value)); - } - self->process_header(); - return 0; - } - static int on_body(http_parser* self_, const char* at, size_t length) - { - HTTPParser* self = static_cast(self_); - self->body.insert(self->body.end(), at, at+length); - return 0; - } - static int on_message_complete(http_parser* self_) - { - HTTPParser* self = static_cast(self_); - - // url params - self->url = self->raw_url.substr(0, self->raw_url.find("?")); - self->url_params = query_string(self->raw_url); - - self->process_message(); - return 0; - } - HTTPParser(Handler* handler) : - handler_(handler) - { - http_parser_init(this, HTTP_REQUEST); - } - - // return false on error - bool feed(const char* buffer, int length) - { - const static http_parser_settings settings_{ - on_message_begin, - on_url, - nullptr, - on_header_field, - on_header_value, - on_headers_complete, - on_body, - on_message_complete, - }; - - int nparsed = http_parser_execute(this, &settings_, buffer, length); - return nparsed == length; - } - - bool done() - { - return feed(nullptr, 0); - } - - void clear() - { - url.clear(); - raw_url.clear(); - header_building_state = 0; - header_field.clear(); - header_value.clear(); - headers.clear(); - url_params.clear(); - body.clear(); - } - - void process_header() - { - handler_->handle_header(); - } - - void process_message() - { - handler_->handle(); - } - - request to_request() const - { - return request{(HTTPMethod)method, std::move(raw_url), std::move(url), std::move(url_params), std::move(headers), std::move(body)}; - } - - bool is_upgrade() const - { - return upgrade; - } - - bool check_version(int major, int minor) const - { - return http_major == major && http_minor == minor; - } - - std::string raw_url; - std::string url; - - int header_building_state = 0; - std::string header_field; - std::string header_value; - ci_map headers; - query_string url_params; - std::string body; - - Handler* handler_; - }; -} diff --git a/ext/crow/crow/query_string.h b/ext/crow/crow/query_string.h deleted file mode 100644 index ee61e30..0000000 --- a/ext/crow/crow/query_string.h +++ /dev/null @@ -1,407 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include -#include -#include - -namespace crow -{ -// ---------------------------------------------------------------------------- -// qs_parse (modified) -// https://github.com/bartgrantham/qs_parse -// ---------------------------------------------------------------------------- -/* Similar to strncmp, but handles URL-encoding for either string */ -int qs_strncmp(const char * s, const char * qs, size_t n); - - -/* Finds the beginning of each key/value pair and stores a pointer in qs_kv. - * Also decodes the value portion of the k/v pair *in-place*. In a future - * enhancement it will also have a compile-time option of sorting qs_kv - * alphabetically by key. */ -int qs_parse(char * qs, char * qs_kv[], int qs_kv_size); - - -/* Used by qs_parse to decode the value portion of a k/v pair */ -int qs_decode(char * qs); - - -/* Looks up the value according to the key on a pre-processed query string - * A future enhancement will be a compile-time option to look up the key - * in a pre-sorted qs_kv array via a binary search. */ -//char * qs_k2v(const char * key, char * qs_kv[], int qs_kv_size); - char * qs_k2v(const char * key, char * const * qs_kv, int qs_kv_size, int nth); - - -/* Non-destructive lookup of value, based on key. User provides the - * destinaton string and length. */ -char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len); - -// TODO: implement sorting of the qs_kv array; for now ensure it's not compiled -#undef _qsSORTING - -// isxdigit _is_ available in , but let's avoid another header instead -#define CROW_QS_ISHEX(x) ((((x)>='0'&&(x)<='9') || ((x)>='A'&&(x)<='F') || ((x)>='a'&&(x)<='f')) ? 1 : 0) -#define CROW_QS_HEX2DEC(x) (((x)>='0'&&(x)<='9') ? (x)-48 : ((x)>='A'&&(x)<='F') ? (x)-55 : ((x)>='a'&&(x)<='f') ? (x)-87 : 0) -#define CROW_QS_ISQSCHR(x) ((((x)=='=')||((x)=='#')||((x)=='&')||((x)=='\0')) ? 0 : 1) - -inline int qs_strncmp(const char * s, const char * qs, size_t n) -{ - int i=0; - unsigned char u1, u2, unyb, lnyb; - - while(n-- > 0) - { - u1 = (unsigned char) *s++; - u2 = (unsigned char) *qs++; - - if ( ! CROW_QS_ISQSCHR(u1) ) { u1 = '\0'; } - if ( ! CROW_QS_ISQSCHR(u2) ) { u2 = '\0'; } - - if ( u1 == '+' ) { u1 = ' '; } - if ( u1 == '%' ) // easier/safer than scanf - { - unyb = (unsigned char) *s++; - lnyb = (unsigned char) *s++; - if ( CROW_QS_ISHEX(unyb) && CROW_QS_ISHEX(lnyb) ) - u1 = (CROW_QS_HEX2DEC(unyb) * 16) + CROW_QS_HEX2DEC(lnyb); - else - u1 = '\0'; - } - - if ( u2 == '+' ) { u2 = ' '; } - if ( u2 == '%' ) // easier/safer than scanf - { - unyb = (unsigned char) *qs++; - lnyb = (unsigned char) *qs++; - if ( CROW_QS_ISHEX(unyb) && CROW_QS_ISHEX(lnyb) ) - u2 = (CROW_QS_HEX2DEC(unyb) * 16) + CROW_QS_HEX2DEC(lnyb); - else - u2 = '\0'; - } - - if ( u1 != u2 ) - return u1 - u2; - if ( u1 == '\0' ) - return 0; - i++; - } - if ( CROW_QS_ISQSCHR(*qs) ) - return -1; - else - return 0; -} - - -inline int qs_parse(char * qs, char * qs_kv[], int qs_kv_size) -{ - int i, j; - char * substr_ptr; - - for(i=0; i means x iterations of this loop -> means *x+1* k/v pairs - - // we only decode the values in place, the keys could have '='s in them - // which will hose our ability to distinguish keys from values later - for(j=0; j> qs_dict_name2kv(const char * dict_name, char * const * qs_kv, int qs_kv_size, int nth = 0) -{ - int i; - size_t name_len, skip_to_eq, skip_to_brace_open, skip_to_brace_close; - - name_len = strlen(dict_name); - -#ifdef _qsSORTING -// TODO: binary search for key in the sorted qs_kv -#else // _qsSORTING - for(i=0; i 0 && - skip_to_brace_close > 0 && - nth == 0 ) - { - auto key = std::string(qs_kv[i] + skip_to_brace_open, skip_to_brace_close - skip_to_brace_open); - auto value = std::string(qs_kv[i] + skip_to_eq); - return boost::make_optional(std::make_pair(key, value)); - } - else - { - --nth; - } - } - } -#endif // _qsSORTING - - return boost::none; -} - - -inline char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len) -{ - size_t i, key_len; - const char * tmp; - - // find the beginning of the k/v substrings - if ( (tmp = strchr(qs, '?')) != NULL ) - qs = tmp + 1; - - key_len = strlen(key); - while(qs[0] != '#' && qs[0] != '\0') - { - if ( qs_strncmp(key, qs, key_len) == 0 ) - break; - qs += strcspn(qs, "&") + 1; - } - - if ( qs[0] == '\0' ) return NULL; - - qs += strcspn(qs, "=&#"); - if ( qs[0] == '=' ) - { - qs++; - i = strcspn(qs, "&=#"); -#ifdef _MSC_VER - strncpy_s(val, val_len, qs, (val_len - 1)<(i + 1) ? (val_len - 1) : (i + 1)); -#else - strncpy(val, qs, (val_len - 1)<(i + 1) ? (val_len - 1) : (i + 1)); -#endif - qs_decode(val); - } - else - { - if ( val_len > 0 ) - val[0] = '\0'; - } - - return val; -} -} -// ---------------------------------------------------------------------------- - - -namespace crow -{ - class query_string - { - public: - static const int MAX_KEY_VALUE_PAIRS_COUNT = 256; - - query_string() - { - - } - - query_string(const query_string& qs) - : url_(qs.url_) - { - for(auto p:qs.key_value_pairs_) - { - key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str())); - } - } - - query_string& operator = (const query_string& qs) - { - url_ = qs.url_; - key_value_pairs_.clear(); - for(auto p:qs.key_value_pairs_) - { - key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str())); - } - return *this; - } - - query_string& operator = (query_string&& qs) - { - key_value_pairs_ = std::move(qs.key_value_pairs_); - char* old_data = (char*)qs.url_.c_str(); - url_ = std::move(qs.url_); - for(auto& p:key_value_pairs_) - { - p += (char*)url_.c_str() - old_data; - } - return *this; - } - - - query_string(std::string url) - : url_(std::move(url)) - { - if (url_.empty()) - return; - - key_value_pairs_.resize(MAX_KEY_VALUE_PAIRS_COUNT); - - int count = qs_parse(&url_[0], &key_value_pairs_[0], MAX_KEY_VALUE_PAIRS_COUNT); - key_value_pairs_.resize(count); - } - - void clear() - { - key_value_pairs_.clear(); - url_.clear(); - } - - friend std::ostream& operator<<(std::ostream& os, const query_string& qs) - { - os << "[ "; - for(size_t i = 0; i < qs.key_value_pairs_.size(); ++i) { - if (i) - os << ", "; - os << qs.key_value_pairs_[i]; - } - os << " ]"; - return os; - - } - - char* get (const std::string& name) const - { - char* ret = qs_k2v(name.c_str(), key_value_pairs_.data(), key_value_pairs_.size()); - return ret; - } - - std::vector get_list (const std::string& name) const - { - std::vector ret; - std::string plus = name + "[]"; - char* element = nullptr; - - int count = 0; - while(1) - { - element = qs_k2v(plus.c_str(), key_value_pairs_.data(), key_value_pairs_.size(), count++); - if (!element) - break; - ret.push_back(element); - } - return ret; - } - - std::unordered_map get_dict (const std::string& name) const - { - std::unordered_map ret; - - int count = 0; - while(1) - { - if (auto element = qs_dict_name2kv(name.c_str(), key_value_pairs_.data(), key_value_pairs_.size(), count++)) - ret.insert(*element); - else - break; - } - return ret; - } - - private: - std::string url_; - std::vector key_value_pairs_; - }; - -} // end namespace diff --git a/ext/crow/crow/routing.h b/ext/crow/crow/routing.h deleted file mode 100644 index cdfa480..0000000 --- a/ext/crow/crow/routing.h +++ /dev/null @@ -1,1076 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include -#include -#include - -#include "crow/common.h" -#include "crow/http_response.h" -#include "crow/http_request.h" -#include "crow/utility.h" -#include "crow/logging.h" -#include "crow/websocket.h" - -namespace crow -{ - class BaseRule - { - public: - BaseRule(std::string rule) - : rule_(std::move(rule)) - { - } - - virtual ~BaseRule() - { - } - - virtual void validate() = 0; - std::unique_ptr upgrade() - { - if (rule_to_upgrade_) - return std::move(rule_to_upgrade_); - return {}; - } - - virtual void handle(const request&, response&, const routing_params&) = 0; - virtual void handle_upgrade(const request&, response& res, SocketAdaptor&&) - { - res = response(404); - res.end(); - } -#ifdef CROW_ENABLE_SSL - virtual void handle_upgrade(const request&, response& res, SSLAdaptor&&) - { - res = response(404); - res.end(); - } -#endif - - uint32_t get_methods() - { - return methods_; - } - - protected: - uint32_t methods_{1<<(int)HTTPMethod::Get}; - - std::string rule_; - std::string name_; - - std::unique_ptr rule_to_upgrade_; - - friend class Router; - template - friend struct RuleParameterTraits; - }; - - - namespace detail - { - namespace routing_handler_call_helper - { - template - struct call_pair - { - using type = T; - static const int pos = Pos; - }; - - template - struct call_params - { - H1& handler; - const routing_params& params; - const request& req; - response& res; - }; - - template - struct call - { - }; - - template - struct call, black_magic::S> - { - void operator()(F cparams) - { - using pushed = typename black_magic::S::template push_back>; - call, pushed>()(cparams); - } - }; - - template - struct call, black_magic::S> - { - void operator()(F cparams) - { - using pushed = typename black_magic::S::template push_back>; - call, pushed>()(cparams); - } - }; - - template - struct call, black_magic::S> - { - void operator()(F cparams) - { - using pushed = typename black_magic::S::template push_back>; - call, pushed>()(cparams); - } - }; - - template - struct call, black_magic::S> - { - void operator()(F cparams) - { - using pushed = typename black_magic::S::template push_back>; - call, pushed>()(cparams); - } - }; - - template - struct call, black_magic::S> - { - void operator()(F cparams) - { - cparams.handler( - cparams.req, - cparams.res, - cparams.params.template get(Args1::pos)... - ); - } - }; - - template - struct Wrapped - { - template - void set_(Func f, typename std::enable_if< - !std::is_same>::type, const request&>::value - , int>::type = 0) - { - handler_ = ( -#ifdef CROW_CAN_USE_CPP14 - [f = std::move(f)] -#else - [f] -#endif - (const request&, response& res, Args... args){ - res = response(f(args...)); - res.end(); - }); - } - - template - struct req_handler_wrapper - { - req_handler_wrapper(Func f) - : f(std::move(f)) - { - } - - void operator()(const request& req, response& res, Args... args) - { - res = response(f(req, args...)); - res.end(); - } - - Func f; - }; - - template - void set_(Func f, typename std::enable_if< - std::is_same>::type, const request&>::value && - !std::is_same>::type, response&>::value - , int>::type = 0) - { - handler_ = req_handler_wrapper(std::move(f)); - /*handler_ = ( - [f = std::move(f)] - (const request& req, response& res, Args... args){ - res = response(f(req, args...)); - res.end(); - });*/ - } - - template - void set_(Func f, typename std::enable_if< - std::is_same>::type, const request&>::value && - std::is_same>::type, response&>::value - , int>::type = 0) - { - handler_ = std::move(f); - } - - template - struct handler_type_helper - { - using type = std::function; - using args_type = black_magic::S...>; - }; - - template - struct handler_type_helper - { - using type = std::function; - using args_type = black_magic::S...>; - }; - - template - struct handler_type_helper - { - using type = std::function; - using args_type = black_magic::S...>; - }; - - typename handler_type_helper::type handler_; - - void operator()(const request& req, response& res, const routing_params& params) - { - detail::routing_handler_call_helper::call< - detail::routing_handler_call_helper::call_params< - decltype(handler_)>, - 0, 0, 0, 0, - typename handler_type_helper::args_type, - black_magic::S<> - >()( - detail::routing_handler_call_helper::call_params< - decltype(handler_)> - {handler_, params, req, res} - ); - } - }; - - } - } - - class WebSocketRule : public BaseRule - { - using self_t = WebSocketRule; - public: - WebSocketRule(std::string rule) - : BaseRule(std::move(rule)) - { - } - - void validate() override - { - } - - void handle(const request&, response& res, const routing_params&) override - { - res = response(404); - res.end(); - } - - void handle_upgrade(const request& req, response&, SocketAdaptor&& adaptor) override - { - new crow::websocket::Connection(req, std::move(adaptor), open_handler_, message_handler_, close_handler_, error_handler_, accept_handler_); - } -#ifdef CROW_ENABLE_SSL - void handle_upgrade(const request& req, response&, SSLAdaptor&& adaptor) override - { - new crow::websocket::Connection(req, std::move(adaptor), open_handler_, message_handler_, close_handler_, error_handler_, accept_handler_); - } -#endif - - template - self_t& onopen(Func f) - { - open_handler_ = f; - return *this; - } - - template - self_t& onmessage(Func f) - { - message_handler_ = f; - return *this; - } - - template - self_t& onclose(Func f) - { - close_handler_ = f; - return *this; - } - - template - self_t& onerror(Func f) - { - error_handler_ = f; - return *this; - } - - template - self_t& onaccept(Func f) - { - accept_handler_ = f; - return *this; - } - - protected: - std::function open_handler_; - std::function message_handler_; - std::function close_handler_; - std::function error_handler_; - std::function accept_handler_; - }; - - template - struct RuleParameterTraits - { - using self_t = T; - WebSocketRule& websocket() - { - auto p =new WebSocketRule(((self_t*)this)->rule_); - ((self_t*)this)->rule_to_upgrade_.reset(p); - return *p; - } - - self_t& name(std::string name) noexcept - { - ((self_t*)this)->name_ = std::move(name); - return (self_t&)*this; - } - - self_t& methods(HTTPMethod method) - { - ((self_t*)this)->methods_ = 1 << (int)method; - return (self_t&)*this; - } - - template - self_t& methods(HTTPMethod method, MethodArgs ... args_method) - { - methods(args_method...); - ((self_t*)this)->methods_ |= 1 << (int)method; - return (self_t&)*this; - } - - }; - - class DynamicRule : public BaseRule, public RuleParameterTraits - { - public: - - DynamicRule(std::string rule) - : BaseRule(std::move(rule)) - { - } - - void validate() override - { - if (!erased_handler_) - { - throw std::runtime_error(name_ + (!name_.empty() ? ": " : "") + "no handler for url " + rule_); - } - } - - void handle(const request& req, response& res, const routing_params& params) override - { - erased_handler_(req, res, params); - } - - template - void operator()(Func f) - { -#ifdef CROW_MSVC_WORKAROUND - using function_t = utility::function_traits; -#else - using function_t = utility::function_traits; -#endif - erased_handler_ = wrap(std::move(f), black_magic::gen_seq()); - } - - // enable_if Arg1 == request && Arg2 == response - // enable_if Arg1 == request && Arg2 != resposne - // enable_if Arg1 != request -#ifdef CROW_MSVC_WORKAROUND - template -#else - template -#endif - std::function - wrap(Func f, black_magic::seq) - { -#ifdef CROW_MSVC_WORKAROUND - using function_t = utility::function_traits; -#else - using function_t = utility::function_traits; -#endif - if (!black_magic::is_parameter_tag_compatible( - black_magic::get_parameter_tag_runtime(rule_.c_str()), - black_magic::compute_parameter_tag_from_args_list< - typename function_t::template arg...>::value)) - { - throw std::runtime_error("route_dynamic: Handler type is mismatched with URL parameters: " + rule_); - } - auto ret = detail::routing_handler_call_helper::Wrapped...>(); - ret.template set_< - typename function_t::template arg... - >(std::move(f)); - return ret; - } - - template - void operator()(std::string name, Func&& f) - { - name_ = std::move(name); - (*this).template operator()(std::forward(f)); - } - private: - std::function erased_handler_; - - }; - - template - class TaggedRule : public BaseRule, public RuleParameterTraits> - { - public: - using self_t = TaggedRule; - - TaggedRule(std::string rule) - : BaseRule(std::move(rule)) - { - } - - void validate() override - { - if (!handler_) - { - throw std::runtime_error(name_ + (!name_.empty() ? ": " : "") + "no handler for url " + rule_); - } - } - - template - typename std::enable_if>::value, void>::type - operator()(Func&& f) - { - static_assert(black_magic::CallHelper>::value || - black_magic::CallHelper>::value , - "Handler type is mismatched with URL parameters"); - static_assert(!std::is_same()...))>::value, - "Handler function cannot have void return type; valid return types: string, int, crow::resposne, crow::json::wvalue"); - - handler_ = ( -#ifdef CROW_CAN_USE_CPP14 - [f = std::move(f)] -#else - [f] -#endif - (const request&, response& res, Args ... args){ - res = response(f(args...)); - res.end(); - }); - } - - template - typename std::enable_if< - !black_magic::CallHelper>::value && - black_magic::CallHelper>::value, - void>::type - operator()(Func&& f) - { - static_assert(black_magic::CallHelper>::value || - black_magic::CallHelper>::value, - "Handler type is mismatched with URL parameters"); - static_assert(!std::is_same(), std::declval()...))>::value, - "Handler function cannot have void return type; valid return types: string, int, crow::resposne, crow::json::wvalue"); - - handler_ = ( -#ifdef CROW_CAN_USE_CPP14 - [f = std::move(f)] -#else - [f] -#endif - (const crow::request& req, crow::response& res, Args ... args){ - res = response(f(req, args...)); - res.end(); - }); - } - - template - typename std::enable_if< - !black_magic::CallHelper>::value && - !black_magic::CallHelper>::value, - void>::type - operator()(Func&& f) - { - static_assert(black_magic::CallHelper>::value || - black_magic::CallHelper>::value || - black_magic::CallHelper>::value - , - "Handler type is mismatched with URL parameters"); - static_assert(std::is_same(), std::declval(), std::declval()...))>::value, - "Handler function with response argument should have void return type"); - - handler_ = std::move(f); - } - - template - void operator()(std::string name, Func&& f) - { - name_ = std::move(name); - (*this).template operator()(std::forward(f)); - } - - void handle(const request& req, response& res, const routing_params& params) override - { - detail::routing_handler_call_helper::call< - detail::routing_handler_call_helper::call_params< - decltype(handler_)>, - 0, 0, 0, 0, - black_magic::S, - black_magic::S<> - >()( - detail::routing_handler_call_helper::call_params< - decltype(handler_)> - {handler_, params, req, res} - ); - } - - private: - std::function handler_; - - }; - - const int RULE_SPECIAL_REDIRECT_SLASH = 1; - - class Trie - { - public: - struct Node - { - unsigned rule_index{}; - std::array param_childrens{}; - std::unordered_map children; - - bool IsSimpleNode() const - { - return - !rule_index && - std::all_of( - std::begin(param_childrens), - std::end(param_childrens), - [](unsigned x){ return !x; }); - } - }; - - Trie() : nodes_(1) - { - } - -private: - void optimizeNode(Node* node) - { - for(auto x : node->param_childrens) - { - if (!x) - continue; - Node* child = &nodes_[x]; - optimizeNode(child); - } - if (node->children.empty()) - return; - bool mergeWithChild = true; - for(auto& kv : node->children) - { - Node* child = &nodes_[kv.second]; - if (!child->IsSimpleNode()) - { - mergeWithChild = false; - break; - } - } - if (mergeWithChild) - { - decltype(node->children) merged; - for(auto& kv : node->children) - { - Node* child = &nodes_[kv.second]; - for(auto& child_kv : child->children) - { - merged[kv.first + child_kv.first] = child_kv.second; - } - } - node->children = std::move(merged); - optimizeNode(node); - } - else - { - for(auto& kv : node->children) - { - Node* child = &nodes_[kv.second]; - optimizeNode(child); - } - } - } - - void optimize() - { - optimizeNode(head()); - } - -public: - void validate() - { - if (!head()->IsSimpleNode()) - throw std::runtime_error("Internal error: Trie header should be simple!"); - optimize(); - } - - std::pair find(const std::string& req_url, const Node* node = nullptr, unsigned pos = 0, routing_params* params = nullptr) const - { - routing_params empty; - if (params == nullptr) - params = ∅ - - unsigned found{}; - routing_params match_params; - - if (node == nullptr) - node = head(); - if (pos == req_url.size()) - return {node->rule_index, *params}; - - auto update_found = [&found, &match_params](std::pair& ret) - { - if (ret.first && (!found || found > ret.first)) - { - found = ret.first; - match_params = std::move(ret.second); - } - }; - - if (node->param_childrens[(int)ParamType::INT]) - { - char c = req_url[pos]; - if ((c >= '0' && c <= '9') || c == '+' || c == '-') - { - char* eptr; - errno = 0; - long long int value = strtoll(req_url.data()+pos, &eptr, 10); - if (errno != ERANGE && eptr != req_url.data()+pos) - { - params->int_params.push_back(value); - auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::INT]], eptr - req_url.data(), params); - update_found(ret); - params->int_params.pop_back(); - } - } - } - - if (node->param_childrens[(int)ParamType::UINT]) - { - char c = req_url[pos]; - if ((c >= '0' && c <= '9') || c == '+') - { - char* eptr; - errno = 0; - unsigned long long int value = strtoull(req_url.data()+pos, &eptr, 10); - if (errno != ERANGE && eptr != req_url.data()+pos) - { - params->uint_params.push_back(value); - auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::UINT]], eptr - req_url.data(), params); - update_found(ret); - params->uint_params.pop_back(); - } - } - } - - if (node->param_childrens[(int)ParamType::DOUBLE]) - { - char c = req_url[pos]; - if ((c >= '0' && c <= '9') || c == '+' || c == '-' || c == '.') - { - char* eptr; - errno = 0; - double value = strtod(req_url.data()+pos, &eptr); - if (errno != ERANGE && eptr != req_url.data()+pos) - { - params->double_params.push_back(value); - auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::DOUBLE]], eptr - req_url.data(), params); - update_found(ret); - params->double_params.pop_back(); - } - } - } - - if (node->param_childrens[(int)ParamType::STRING]) - { - size_t epos = pos; - for(; epos < req_url.size(); epos ++) - { - if (req_url[epos] == '/') - break; - } - - if (epos != pos) - { - params->string_params.push_back(req_url.substr(pos, epos-pos)); - auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::STRING]], epos, params); - update_found(ret); - params->string_params.pop_back(); - } - } - - if (node->param_childrens[(int)ParamType::PATH]) - { - size_t epos = req_url.size(); - - if (epos != pos) - { - params->string_params.push_back(req_url.substr(pos, epos-pos)); - auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::PATH]], epos, params); - update_found(ret); - params->string_params.pop_back(); - } - } - - for(auto& kv : node->children) - { - const std::string& fragment = kv.first; - const Node* child = &nodes_[kv.second]; - - if (req_url.compare(pos, fragment.size(), fragment) == 0) - { - auto ret = find(req_url, child, pos + fragment.size(), params); - update_found(ret); - } - } - - return {found, match_params}; - } - - void add(const std::string& url, unsigned rule_index) - { - unsigned idx{0}; - - for(unsigned i = 0; i < url.size(); i ++) - { - char c = url[i]; - if (c == '<') - { - static struct ParamTraits - { - ParamType type; - std::string name; - } paramTraits[] = - { - { ParamType::INT, "" }, - { ParamType::UINT, "" }, - { ParamType::DOUBLE, "" }, - { ParamType::DOUBLE, "" }, - { ParamType::STRING, "" }, - { ParamType::STRING, "" }, - { ParamType::PATH, "" }, - }; - - for(auto& x:paramTraits) - { - if (url.compare(i, x.name.size(), x.name) == 0) - { - if (!nodes_[idx].param_childrens[(int)x.type]) - { - auto new_node_idx = new_node(); - nodes_[idx].param_childrens[(int)x.type] = new_node_idx; - } - idx = nodes_[idx].param_childrens[(int)x.type]; - i += x.name.size(); - break; - } - } - - i --; - } - else - { - std::string piece(&c, 1); - if (!nodes_[idx].children.count(piece)) - { - auto new_node_idx = new_node(); - nodes_[idx].children.emplace(piece, new_node_idx); - } - idx = nodes_[idx].children[piece]; - } - } - if (nodes_[idx].rule_index) - throw std::runtime_error("handler already exists for " + url); - nodes_[idx].rule_index = rule_index; - } - private: - void debug_node_print(Node* n, int level) - { - for(int i = 0; i < (int)ParamType::MAX; i ++) - { - if (n->param_childrens[i]) - { - CROW_LOG_DEBUG << std::string(2*level, ' ') /*<< "("<param_childrens[i]<<") "*/; - switch((ParamType)i) - { - case ParamType::INT: - CROW_LOG_DEBUG << ""; - break; - case ParamType::UINT: - CROW_LOG_DEBUG << ""; - break; - case ParamType::DOUBLE: - CROW_LOG_DEBUG << ""; - break; - case ParamType::STRING: - CROW_LOG_DEBUG << ""; - break; - case ParamType::PATH: - CROW_LOG_DEBUG << ""; - break; - default: - CROW_LOG_DEBUG << ""; - break; - } - - debug_node_print(&nodes_[n->param_childrens[i]], level+1); - } - } - for(auto& kv : n->children) - { - CROW_LOG_DEBUG << std::string(2*level, ' ') /*<< "(" << kv.second << ") "*/ << kv.first; - debug_node_print(&nodes_[kv.second], level+1); - } - } - - public: - void debug_print() - { - debug_node_print(head(), 0); - } - - private: - const Node* head() const - { - return &nodes_.front(); - } - - Node* head() - { - return &nodes_.front(); - } - - unsigned new_node() - { - nodes_.resize(nodes_.size()+1); - return nodes_.size() - 1; - } - - std::vector nodes_; - }; - - class Router - { - public: - Router() : rules_(2) - { - } - - DynamicRule& new_rule_dynamic(const std::string& rule) - { - auto ruleObject = new DynamicRule(rule); - - internal_add_rule_object(rule, ruleObject); - - return *ruleObject; - } - - template - typename black_magic::arguments::type::template rebind& new_rule_tagged(const std::string& rule) - { - using RuleT = typename black_magic::arguments::type::template rebind; - auto ruleObject = new RuleT(rule); - - internal_add_rule_object(rule, ruleObject); - - return *ruleObject; - } - - void internal_add_rule_object(const std::string& rule, BaseRule* ruleObject) - { - rules_.emplace_back(ruleObject); - trie_.add(rule, rules_.size() - 1); - - // directory case: - // request to `/about' url matches `/about/' rule - if (rule.size() > 1 && rule.back() == '/') - { - std::string rule_without_trailing_slash = rule; - rule_without_trailing_slash.pop_back(); - trie_.add(rule_without_trailing_slash, RULE_SPECIAL_REDIRECT_SLASH); - } - } - - void validate() - { - trie_.validate(); - for(auto& rule:rules_) - { - if (rule) - { - auto upgraded = rule->upgrade(); - if (upgraded) - rule = std::move(upgraded); - rule->validate(); - } - } - } - - template - void handle_upgrade(const request& req, response& res, Adaptor&& adaptor) - { - auto found = trie_.find(req.url); - unsigned rule_index = found.first; - if (!rule_index) - { - CROW_LOG_DEBUG << "Cannot match rules " << req.url; - res = response(404); - res.end(); - return; - } - - if (rule_index >= rules_.size()) - throw std::runtime_error("Trie internal structure corrupted!"); - - if (rule_index == RULE_SPECIAL_REDIRECT_SLASH) - { - CROW_LOG_INFO << "Redirecting to a url with trailing slash: " << req.url; - res = response(301); - - // TODO absolute url building - if (req.get_header_value("Host").empty()) - { - res.add_header("Location", req.url + "/"); - } - else - { - res.add_header("Location", "http://" + req.get_header_value("Host") + req.url + "/"); - } - res.end(); - return; - } - - if ((rules_[rule_index]->get_methods() & (1<<(uint32_t)req.method)) == 0) - { - CROW_LOG_DEBUG << "Rule found but method mismatch: " << req.url << " with " << method_name(req.method) << "(" << (uint32_t)req.method << ") / " << rules_[rule_index]->get_methods(); - res = response(404); - res.end(); - return; - } - - CROW_LOG_DEBUG << "Matched rule (upgrade) '" << rules_[rule_index]->rule_ << "' " << (uint32_t)req.method << " / " << rules_[rule_index]->get_methods(); - - // any uncaught exceptions become 500s - try - { - rules_[rule_index]->handle_upgrade(req, res, std::move(adaptor)); - } - catch(std::exception& e) - { - CROW_LOG_ERROR << "An uncaught exception occurred: " << e.what(); - res = response(500); - res.end(); - return; - } - catch(...) - { - CROW_LOG_ERROR << "An uncaught exception occurred. The type was unknown so no information was available."; - res = response(500); - res.end(); - return; - } - } - - void handle(const request& req, response& res) - { - auto found = trie_.find(req.url); - - unsigned rule_index = found.first; - - if (!rule_index) - { - CROW_LOG_DEBUG << "Cannot match rules " << req.url; - res = response(404); - res.end(); - return; - } - - if (rule_index >= rules_.size()) - throw std::runtime_error("Trie internal structure corrupted!"); - - if (rule_index == RULE_SPECIAL_REDIRECT_SLASH) - { - CROW_LOG_INFO << "Redirecting to a url with trailing slash: " << req.url; - res = response(301); - - // TODO absolute url building - if (req.get_header_value("Host").empty()) - { - res.add_header("Location", req.url + "/"); - } - else - { - res.add_header("Location", "http://" + req.get_header_value("Host") + req.url + "/"); - } - res.end(); - return; - } - - if ((rules_[rule_index]->get_methods() & (1<<(uint32_t)req.method)) == 0) - { - CROW_LOG_DEBUG << "Rule found but method mismatch: " << req.url << " with " << method_name(req.method) << "(" << (uint32_t)req.method << ") / " << rules_[rule_index]->get_methods(); - res = response(404); - res.end(); - return; - } - - CROW_LOG_DEBUG << "Matched rule '" << rules_[rule_index]->rule_ << "' " << (uint32_t)req.method << " / " << rules_[rule_index]->get_methods(); - - // any uncaught exceptions become 500s - try - { - rules_[rule_index]->handle(req, res, found.second); - } - catch(std::exception& e) - { - CROW_LOG_ERROR << "An uncaught exception occurred: " << e.what(); - res = response(500); - res.end(); - return; - } - catch(...) - { - CROW_LOG_ERROR << "An uncaught exception occurred. The type was unknown so no information was available."; - res = response(500); - res.end(); - return; - } - } - - void debug_print() - { - trie_.debug_print(); - } - - private: - std::vector> rules_; - Trie trie_; - }; -} diff --git a/ext/crow/crow/settings.h b/ext/crow/crow/settings.h deleted file mode 100644 index bd6259c..0000000 --- a/ext/crow/crow/settings.h +++ /dev/null @@ -1,38 +0,0 @@ -#pragma once -// settings for crow -// TODO - replace with runtime config. libucl? - -/* #ifdef - enables debug mode */ -//#define CROW_ENABLE_DEBUG - -/* #ifdef - enables logging */ -#define CROW_ENABLE_LOGGING - -/* #ifdef - enables ssl */ -//#define CROW_ENABLE_SSL - -/* #define - specifies log level */ -/* - Debug = 0 - Info = 1 - Warning = 2 - Error = 3 - Critical = 4 - - default to INFO -*/ -#define CROW_LOG_LEVEL 1 - - -// compiler flags -#if __cplusplus >= 201402L -#define CROW_CAN_USE_CPP14 -#endif - -#if defined(_MSC_VER) -#if _MSC_VER < 1900 -#define CROW_MSVC_WORKAROUND -#define constexpr const -#define noexcept throw() -#endif -#endif diff --git a/ext/crow/crow/socket_adaptors.h b/ext/crow/crow/socket_adaptors.h deleted file mode 100644 index 06d4baf..0000000 --- a/ext/crow/crow/socket_adaptors.h +++ /dev/null @@ -1,117 +0,0 @@ -#pragma once -#include -#ifdef CROW_ENABLE_SSL -#include -#endif -#include "crow/settings.h" -#if BOOST_VERSION >= 107000 -#define GET_IO_SERVICE(s) ((boost::asio::io_context&)(s).get_executor().context()) -#else -#define GET_IO_SERVICE(s) ((s).get_io_service()) -#endif -namespace crow -{ - using namespace boost; - using tcp = asio::ip::tcp; - - struct SocketAdaptor - { - using context = void; - SocketAdaptor(boost::asio::io_service& io_service, context*) - : socket_(io_service) - { - } - - boost::asio::io_service& get_io_service() - { - return GET_IO_SERVICE(socket_); - } - - tcp::socket& raw_socket() - { - return socket_; - } - - tcp::socket& socket() - { - return socket_; - } - - tcp::endpoint remote_endpoint() - { - return socket_.remote_endpoint(); - } - - bool is_open() - { - return socket_.is_open(); - } - - void close() - { - socket_.close(); - } - - template - void start(F f) - { - f(boost::system::error_code()); - } - - tcp::socket socket_; - }; - -#ifdef CROW_ENABLE_SSL - struct SSLAdaptor - { - using context = boost::asio::ssl::context; - using ssl_socket_t = boost::asio::ssl::stream; - SSLAdaptor(boost::asio::io_service& io_service, context* ctx) - : ssl_socket_(new ssl_socket_t(io_service, *ctx)) - { - } - - boost::asio::ssl::stream& socket() - { - return *ssl_socket_; - } - - tcp::socket::lowest_layer_type& - raw_socket() - { - return ssl_socket_->lowest_layer(); - } - - tcp::endpoint remote_endpoint() - { - return raw_socket().remote_endpoint(); - } - - bool is_open() - { - return raw_socket().is_open(); - } - - void close() - { - raw_socket().close(); - } - - boost::asio::io_service& get_io_service() - { - return GET_IO_SERVICE(raw_socket()); - } - - template - void start(F f) - { - ssl_socket_->async_handshake(boost::asio::ssl::stream_base::server, - [f](const boost::system::error_code& ec) { - f(ec); - }); - } - - std::unique_ptr> ssl_socket_; - }; -#endif -} diff --git a/ext/crow/crow/utility.h b/ext/crow/crow/utility.h deleted file mode 100644 index 43503e8..0000000 --- a/ext/crow/crow/utility.h +++ /dev/null @@ -1,548 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include -#include -#include - -#include "crow/settings.h" - -namespace crow -{ - namespace black_magic - { -#ifndef CROW_MSVC_WORKAROUND - struct OutOfRange - { - OutOfRange(unsigned /*pos*/, unsigned /*length*/) {} - }; - constexpr unsigned requires_in_range( unsigned i, unsigned len ) - { - return i >= len ? throw OutOfRange(i, len) : i; - } - - class const_str - { - const char * const begin_; - unsigned size_; - - public: - template< unsigned N > - constexpr const_str( const char(&arr)[N] ) : begin_(arr), size_(N - 1) { - static_assert( N >= 1, "not a string literal"); - } - constexpr char operator[]( unsigned i ) const { - return requires_in_range(i, size_), begin_[i]; - } - - constexpr operator const char *() const { - return begin_; - } - - constexpr const char* begin() const { return begin_; } - constexpr const char* end() const { return begin_ + size_; } - - constexpr unsigned size() const { - return size_; - } - }; - - constexpr unsigned find_closing_tag(const_str s, unsigned p) - { - return s[p] == '>' ? p : find_closing_tag(s, p+1); - } - - constexpr bool is_valid(const_str s, unsigned i = 0, int f = 0) - { - return - i == s.size() - ? f == 0 : - f < 0 || f >= 2 - ? false : - s[i] == '<' - ? is_valid(s, i+1, f+1) : - s[i] == '>' - ? is_valid(s, i+1, f-1) : - is_valid(s, i+1, f); - } - - constexpr bool is_equ_p(const char* a, const char* b, unsigned n) - { - return - *a == 0 && *b == 0 && n == 0 - ? true : - (*a == 0 || *b == 0) - ? false : - n == 0 - ? true : - *a != *b - ? false : - is_equ_p(a+1, b+1, n-1); - } - - constexpr bool is_equ_n(const_str a, unsigned ai, const_str b, unsigned bi, unsigned n) - { - return - ai + n > a.size() || bi + n > b.size() - ? false : - n == 0 - ? true : - a[ai] != b[bi] - ? false : - is_equ_n(a,ai+1,b,bi+1,n-1); - } - - constexpr bool is_int(const_str s, unsigned i) - { - return is_equ_n(s, i, "", 0, 5); - } - - constexpr bool is_uint(const_str s, unsigned i) - { - return is_equ_n(s, i, "", 0, 6); - } - - constexpr bool is_float(const_str s, unsigned i) - { - return is_equ_n(s, i, "", 0, 7) || - is_equ_n(s, i, "", 0, 8); - } - - constexpr bool is_str(const_str s, unsigned i) - { - return is_equ_n(s, i, "", 0, 5) || - is_equ_n(s, i, "", 0, 8); - } - - constexpr bool is_path(const_str s, unsigned i) - { - return is_equ_n(s, i, "", 0, 6); - } -#endif - template - struct parameter_tag - { - static const int value = 0; - }; -#define CROW_INTERNAL_PARAMETER_TAG(t, i) \ -template <> \ -struct parameter_tag \ -{ \ - static const int value = i; \ -} - CROW_INTERNAL_PARAMETER_TAG(int, 1); - CROW_INTERNAL_PARAMETER_TAG(char, 1); - CROW_INTERNAL_PARAMETER_TAG(short, 1); - CROW_INTERNAL_PARAMETER_TAG(long, 1); - CROW_INTERNAL_PARAMETER_TAG(long long, 1); - CROW_INTERNAL_PARAMETER_TAG(unsigned int, 2); - CROW_INTERNAL_PARAMETER_TAG(unsigned char, 2); - CROW_INTERNAL_PARAMETER_TAG(unsigned short, 2); - CROW_INTERNAL_PARAMETER_TAG(unsigned long, 2); - CROW_INTERNAL_PARAMETER_TAG(unsigned long long, 2); - CROW_INTERNAL_PARAMETER_TAG(double, 3); - CROW_INTERNAL_PARAMETER_TAG(std::string, 4); -#undef CROW_INTERNAL_PARAMETER_TAG - template - struct compute_parameter_tag_from_args_list; - - template <> - struct compute_parameter_tag_from_args_list<> - { - static const int value = 0; - }; - - template - struct compute_parameter_tag_from_args_list - { - static const int sub_value = - compute_parameter_tag_from_args_list::value; - static const int value = - parameter_tag::type>::value - ? sub_value* 6 + parameter_tag::type>::value - : sub_value; - }; - - static inline bool is_parameter_tag_compatible(uint64_t a, uint64_t b) - { - if (a == 0) - return b == 0; - if (b == 0) - return a == 0; - int sa = a%6; - int sb = a%6; - if (sa == 5) sa = 4; - if (sb == 5) sb = 4; - if (sa != sb) - return false; - return is_parameter_tag_compatible(a/6, b/6); - } - - static inline unsigned find_closing_tag_runtime(const char* s, unsigned p) - { - return - s[p] == 0 - ? throw std::runtime_error("unmatched tag <") : - s[p] == '>' - ? p : find_closing_tag_runtime(s, p + 1); - } - - static inline uint64_t get_parameter_tag_runtime(const char* s, unsigned p = 0) - { - return - s[p] == 0 - ? 0 : - s[p] == '<' ? ( - std::strncmp(s+p, "", 5) == 0 - ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 1 : - std::strncmp(s+p, "", 6) == 0 - ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 2 : - (std::strncmp(s+p, "", 7) == 0 || - std::strncmp(s+p, "", 8) == 0) - ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 3 : - (std::strncmp(s+p, "", 5) == 0 || - std::strncmp(s+p, "", 8) == 0) - ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 4 : - std::strncmp(s+p, "", 6) == 0 - ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 5 : - throw std::runtime_error("invalid parameter type") - ) : - get_parameter_tag_runtime(s, p+1); - } -#ifndef CROW_MSVC_WORKAROUND - constexpr uint64_t get_parameter_tag(const_str s, unsigned p = 0) - { - return - p == s.size() - ? 0 : - s[p] == '<' ? ( - is_int(s, p) - ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 1 : - is_uint(s, p) - ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 2 : - is_float(s, p) - ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 3 : - is_str(s, p) - ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 4 : - is_path(s, p) - ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 5 : - throw std::runtime_error("invalid parameter type") - ) : - get_parameter_tag(s, p+1); - } -#endif - - template - struct S - { - template - using push = S; - template - using push_back = S; - template class U> - using rebind = U; - }; -template - struct CallHelper; - template - struct CallHelper> - { - template ()(std::declval()...)) - > - static char __test(int); - - template - static int __test(...); - - static constexpr bool value = sizeof(__test(0)) == sizeof(char); - }; - - - template - struct single_tag_to_type - { - }; - - template <> - struct single_tag_to_type<1> - { - using type = int64_t; - }; - - template <> - struct single_tag_to_type<2> - { - using type = uint64_t; - }; - - template <> - struct single_tag_to_type<3> - { - using type = double; - }; - - template <> - struct single_tag_to_type<4> - { - using type = std::string; - }; - - template <> - struct single_tag_to_type<5> - { - using type = std::string; - }; - - - template - struct arguments - { - using subarguments = typename arguments::type; - using type = - typename subarguments::template push::type>; - }; - - template <> - struct arguments<0> - { - using type = S<>; - }; - - template - struct last_element_type - { - using type = typename std::tuple_element>::type; - }; - - - template <> - struct last_element_type<> - { - }; - - - // from http://stackoverflow.com/questions/13072359/c11-compile-time-array-with-logarithmic-evaluation-depth - template using Invoke = typename T::type; - - template struct seq{ using type = seq; }; - - template struct concat; - - template - struct concat, seq> - : seq{}; - - template - using Concat = Invoke>; - - template struct gen_seq; - template using GenSeq = Invoke>; - - template - struct gen_seq : Concat, GenSeq>{}; - - template<> struct gen_seq<0> : seq<>{}; - template<> struct gen_seq<1> : seq<0>{}; - - template - struct pop_back_helper; - - template - struct pop_back_helper, Tuple> - { - template