From 4a856bc6f2b4a2c9b651ae612dee504e5acc53f2 Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Sat, 20 Aug 2016 18:13:52 +0800
Subject: [PATCH] does_header_has added to block tor scanner

---
 main.cpp   | 14 ++++++++++----
 src/page.h | 10 ++++++++--
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/main.cpp b/main.cpp
index 90dce8b..51eb0e0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -115,8 +115,16 @@ int main(int ac, const char* av[]) {
     });
 
     CROW_ROUTE(app, "/block/<uint>")
-    ([&](size_t block_height) {
-        return xmrblocks.show_block(block_height);
+    ([&](const crow::request& req, size_t block_height) {
+
+        // there is some robot scanning everything
+        // on the explorer. I block it with this
+        if (!xmreg::does_header_has(req, "Accept", "q=.2, */*; q=.2").empty())
+        {
+            return crow::response(400);
+        }
+
+        return crow::response(xmrblocks.show_block(block_height));
     });
 
     CROW_ROUTE(app, "/block/<string>")
@@ -129,8 +137,6 @@ int main(int ac, const char* av[]) {
             return crow::response(400);;
         }
 
-
-
         return crow::response(xmrblocks.show_block(block_hash));
     });
 
diff --git a/src/page.h b/src/page.h
index 0469c79..3e602e8 100644
--- a/src/page.h
+++ b/src/page.h
@@ -60,6 +60,14 @@ namespace xmreg {
 
 
 
+    /**
+     * Check if a given header filed contains value string
+     *
+     * @param req
+     * @param field
+     * @param value
+     * @return string
+     */
     string
     does_header_has(const crow::request& req,
                     const string& field = "Accept",
@@ -71,8 +79,6 @@ namespace xmreg {
         {
             if (accept.find(value) != std::string::npos)
             {
-                cout << value << " found" << endl;
-
                 return accept;
             }
         }