import re from random import shuffle from flask import request, redirect, Blueprint from flask import render_template, flash, Response from urllib.parse import urlparse from xmrnodes.helpers import rw_cache, get_highest_block from xmrnodes.forms import SubmitNode from xmrnodes.models import Node from xmrnodes import config bp = Blueprint("meta", "meta") @bp.route("/", methods=["GET", "POST"]) def index(): form = SubmitNode() nettype = request.args.get("network", "mainnet") crypto = request.args.get("chain", "monero") onion = request.args.get("onion", False) i2p = request.args.get("i2p", False) show_all = "true" == request.args.get("all", "false") web_compatible = request.args.get("cors", False) highest_block = get_highest_block(nettype, crypto) healthy_block = highest_block - config.HEALTHY_BLOCK_DIFF nodes = Node.select().where( Node.validated == True, Node.nettype == nettype, Node.crypto == crypto ) if web_compatible: nodes = nodes.where(Node.web_compatible == True) nodes_all = nodes.count() nodes_unhealthy = nodes.where( (Node.available == False) | (Node.last_height < healthy_block) ).count() if not show_all: nodes = nodes.where(Node.available == True, Node.last_height > healthy_block) nodes = nodes.order_by(Node.datetime_entered.desc()) if onion: nodes = nodes.where(Node.is_tor == True) if i2p: nodes = nodes.where(Node.is_i2p == True) nodes = [n for n in nodes] shuffle(nodes) return render_template( "index.html", nodes=nodes, nodes_all=nodes_all, nodes_unhealthy=nodes_unhealthy, nettype=nettype, crypto=crypto, form=form, web_compatible=web_compatible, ) @bp.route("/map") def map(): try: peers = rw_cache("map_peers") except: flash("Couldn't load the map. Try again later.") return redirect("/") return render_template("map.html", peers=peers, source_node=config.NODE_HOST) @bp.route("/about") def about(): return render_template("about.html") @bp.route("/add", methods=["GET", "POST"]) def add(): if request.method == "POST": url = request.form.get("node_url") regex = re.compile( r"^(?:http)s?://" # http:// or https:// r"(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|" # domain... r"localhost|" # localhost... r"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})" # ...or ip r"(?::\d+)?" # optional port r"(?:/?|[/?]\S+)$", re.IGNORECASE, ) re_match = re.match(regex, url) if re_match is None: flash("This doesn't look like a valid URL") else: _url = urlparse(url) url = f"{_url.scheme}://{_url.netloc}".lower() if Node.select().where(Node.url == url).exists(): flash("This node is already in the database.") else: flash( "Seems like a valid node URL. Added to the database and will check soon." ) node = Node(url=url) node.save() return redirect("/") @bp.route("/haproxy.cfg") def haproxy(): crypto = request.args.get("chain") or "monero" nettype = request.args.get("network") or "mainnet" cors = request.args.get("cors") or False tor = request.args.get("onion") or False nodes = Node.select().where( Node.validated == True, Node.nettype == nettype, Node.crypto == crypto, Node.is_tor == tor, Node.web_compatible == cors, ) tpl = render_template("haproxy.html", nodes=nodes) res = Response(tpl) res.headers[ "Content-Disposition" ] = f'attachment; filename="haproxy-{crypto}-{nettype}-cors_{cors}-tor_{tor}.cfg"' return res