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Merge pull request #2 from PurpleI2P/openssl

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Markovskij 2017-09-04 06:52:57 +03:00 committed by GitHub
parent b0a6c9fa53 7e0ab6d0b1
commit ce853786b5
1 changed files with 108 additions and 50 deletions
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116
libi2pd_client/HTTPProxy.cpp
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@ -67,6 +67,8 @@ namespace proxy {
void ForwardToUpstreamProxy();
void HandleUpstreamHTTPProxyConnect(const boost::system::error_code & ec);
void HandleUpstreamSocksProxyConnect(const boost::system::error_code & ec);
void HTTPConnect(const std::string & host, uint16_t port);
void HandleHTTPConnectStreamRequestComplete(std::shared_ptr<i2p::stream::Stream> stream);
void HandleSocksProxySendHandshake(const boost::system::error_code & ec, std::size_t bytes_transfered);
void HandleSocksProxyReply(const boost::system::error_code & ec, std::size_t bytes_transfered);
@ -257,43 +259,63 @@ namespace proxy {
GenericProxyInfo("Addresshelper found", ss.str().c_str());
return true; /* request processed */
}
SanitizeHTTPRequest(m_ClientRequest);
std::string dest_host = m_RequestURL.host;
uint16_t dest_port = m_RequestURL.port;
/* always set port, even if missing in request */
if (!dest_port)
dest_port = (m_RequestURL.schema == "https") ? 443 : 80;
/* detect dest_host, set proper 'Host' header in upstream request */
if (dest_host != "")
std::string dest_host;
uint16_t dest_port;
bool useConnect = false;
if(m_ClientRequest.method == "CONNECT")
{
/* absolute url, replace 'Host' header */
std::string h = dest_host;
if (dest_port != 0 && dest_port != 80)
h += ":" + std::to_string(dest_port);
m_ClientRequest.UpdateHeader("Host", h);
}
else
{
auto h = m_ClientRequest.GetHeader ("Host");
if (h.length () > 0)
std::string uri(m_ClientRequest.uri);
auto pos = uri.find(":");
if(pos == std::string::npos || pos == uri.size() - 1)
{
/* relative url and 'Host' header provided. transparent proxy mode? */
i2p::http::URL u;
std::string t = "http://" + h;
u.parse(t);
dest_host = u.host;
dest_port = u.port;
GenericProxyError("Invalid Request", "invalid request uri");
return true;
}
else
{
/* relative url and missing 'Host' header */
GenericProxyError("Invalid request", "Can't detect destination host from request");
return true;
useConnect = true;
dest_port = std::stoi(uri.substr(pos+1));
dest_host = uri.substr(0, pos);
}
}
else
{
SanitizeHTTPRequest(m_ClientRequest);
dest_host = m_RequestURL.host;
dest_port = m_RequestURL.port;
/* always set port, even if missing in request */
if (!dest_port)
dest_port = (m_RequestURL.schema == "https") ? 443 : 80;
/* detect dest_host, set proper 'Host' header in upstream request */
if (dest_host != "")
{
/* absolute url, replace 'Host' header */
std::string h = dest_host;
if (dest_port != 0 && dest_port != 80)
h += ":" + std::to_string(dest_port);
m_ClientRequest.UpdateHeader("Host", h);
}
else
{
auto h = m_ClientRequest.GetHeader ("Host");
if (h.length () > 0)
{
/* relative url and 'Host' header provided. transparent proxy mode? */
i2p::http::URL u;
std::string t = "http://" + h;
u.parse(t);
dest_host = u.host;
dest_port = u.port;
}
else
{
/* relative url and missing 'Host' header */
GenericProxyError("Invalid request", "Can't detect destination host from request");
return true;
}
}
}
/* check dest_host really exists and inside I2P network */
i2p::data::IdentHash identHash;
if (str_rmatch(dest_host, ".i2p")) {
@ -316,6 +338,11 @@ namespace proxy {
}
return true;
}
if(useConnect)
{
HTTPConnect(dest_host, dest_port);
return true;
}
/* make relative url */
m_RequestURL.schema = "";
@ -427,6 +454,37 @@ namespace proxy {
Terminate();
}
void HTTPReqHandler::HTTPConnect(const std::string & host, uint16_t port)
{
LogPrint(eLogDebug, "HTTPProxy: CONNECT ",host, ":", port);
std::string hostname(host);
if(str_rmatch(hostname, ".i2p"))
GetOwner()->CreateStream (std::bind (&HTTPReqHandler::HandleHTTPConnectStreamRequestComplete,
shared_from_this(), std::placeholders::_1), host, port);
else
ForwardToUpstreamProxy();
}
void HTTPReqHandler::HandleHTTPConnectStreamRequestComplete(std::shared_ptr<i2p::stream::Stream> stream)
{
if(stream)
{
m_ClientResponse.code = 200;
m_ClientResponse.status = "OK";
m_send_buf = m_ClientResponse.to_string();
m_sock->send(boost::asio::buffer(m_send_buf));
auto connection = std::make_shared<i2p::client::I2PTunnelConnection>(GetOwner(), m_sock, stream);
GetOwner()->AddHandler(connection);
connection->I2PConnect();
m_sock = nullptr;
Terminate();
}
else
{
GenericProxyError("CONNECT error", "Failed to Connect");
}
}
void HTTPReqHandler::SocksProxySuccess()
{
if(m_ClientRequest.method == "CONNECT") {