NTCP2 proxy with authorization

libi2pd/NTCP2.cpp

@@ -1465,11 +1465,14 @@ namespace transport
 		});
 	}
 
-	void NTCP2Server::UseProxy(ProxyType proxytype, const std::string & addr, uint16_t port)
+	void NTCP2Server::UseProxy(ProxyType proxytype, const std::string& addr, uint16_t port,
+		const std::string& user, const std::string& pass)
 	{
 		m_ProxyType = proxytype;
 		m_ProxyAddress = addr;
 		m_ProxyPort = port;
+		if ((!user.empty () || !pass.empty ()) && m_ProxyType == eHTTPProxy )
+			m_ProxyAuthorization = "Basic " + i2p::data::ToBase64Standard (user + ":" + pass);
 	}
 
 	void NTCP2Server::HandleProxyConnect(const boost::system::error_code& ecode, std::shared_ptr<NTCP2Session> conn, std::shared_ptr<boost::asio::deadline_timer> timer)
@@ -1538,8 +1541,10 @@ namespace transport
 				if(ep.address ().is_v6 ())
 					req.uri = "[" + ep.address ().to_string() + "]:" + std::to_string(ep.port ());
 				else
-					req.uri = ep.address ().to_string() + ":" + std::to_string(ep.port ());
+					req.uri = ep.address ().to_string() + ":" + std::to_string(ep.port ());	
-
+				if (!m_ProxyAuthorization.empty ())
+					req.AddHeader("Proxy-Authorization", m_ProxyAuthorization);
+				
 				boost::asio::streambuf writebuff;
 				std::ostream out(&writebuff);
 				out << req.to_string();

libi2pd/NTCP2.h

@@ -246,7 +246,7 @@ namespace transport
 			void Connect(std::shared_ptr<NTCP2Session> conn);
 
 			bool UsingProxy() const { return m_ProxyType != eNoProxy; };
-			void UseProxy(ProxyType proxy, const std::string & address, uint16_t port);
+			void UseProxy(ProxyType proxy, const std::string& address, uint16_t port, const std::string& user, const std::string& pass);
 
 			void SetLocalAddress (const boost::asio::ip::address& localAddress);
 			
@@ -271,7 +271,7 @@ namespace transport
 			std::list<std::shared_ptr<NTCP2Session> > m_PendingIncomingSessions;
 
 			ProxyType m_ProxyType;
-			std::string m_ProxyAddress;
+			std::string m_ProxyAddress, m_ProxyAuthorization;
 			uint16_t m_ProxyPort;
 			boost::asio::ip::tcp::resolver m_Resolver;
 			std::unique_ptr<boost::asio::ip::tcp::endpoint> m_ProxyEndpoint;

libi2pd/Transports.cpp

@@ -188,7 +188,7 @@ namespace transport
 						if (proxyurl.schema == "http")
 							proxytype = NTCP2Server::eHTTPProxy;
 
-						m_NTCP2Server->UseProxy(proxytype, proxyurl.host, proxyurl.port);
+						m_NTCP2Server->UseProxy(proxytype, proxyurl.host, proxyurl.port, proxyurl.user, proxyurl.pass);
 						i2p::context.SetStatus (eRouterStatusProxy);
 					}
 					else