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Merge pull request #157 from klondi/httpproxy

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Get Jump services working again although, at what price!
This commit is contained in:
orignal 2015-02-07 13:34:31 -05:00
commit 9c7fcfbe3f
3 changed files with 46 additions and 0 deletions
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34
HTTPProxy.cpp
View File

@ -5,6 +5,7 @@
#include <string>
#include <atomic>
#include "HTTPProxy.h"
#include "util.h"
#include "Identity.h"
#include "Streaming.h"
#include "Destination.h"
@ -35,6 +36,7 @@ namespace proxy
void HTTPRequestFailed(/*std::string message*/);
void ExtractRequest();
bool ValidateHTTPRequest();
void HandleJumpServices();
bool CreateHTTPRequest(uint8_t *http_buff, std::size_t len);
void SentHTTPFailed(const boost::system::error_code & ecode);
void HandleStreamRequestComplete (std::shared_ptr<i2p::stream::Stream> stream);
@ -124,9 +126,41 @@ namespace proxy
return true;
}
void HTTPProxyHandler::HandleJumpServices() {
static const char * helpermark1 = "?i2paddresshelper=";
static const char * helpermark2 = "&i2paddresshelper=";
size_t addressHelperPos1 = m_path.rfind (helpermark1);
size_t addressHelperPos2 = m_path.rfind (helpermark2);
size_t addressHelperPos;
if (addressHelperPos1 == std::string::npos)
{
if (addressHelperPos2 == std::string::npos)
return; //Not a jump service
else
addressHelperPos = addressHelperPos2;
}
else
{
if (addressHelperPos2 == std::string::npos)
addressHelperPos = addressHelperPos1;
else if ( addressHelperPos1 > addressHelperPos2 )
addressHelperPos = addressHelperPos1;
else
addressHelperPos = addressHelperPos2;
}
auto base64 = m_path.substr (addressHelperPos + strlen(helpermark1));
base64 = i2p::util::http::urlDecode(base64); //Some of the symbols may be urlencoded
LogPrint (eLogDebug,"Jump service for ", m_address, " found at ", base64, ". Inserting to address book");
//TODO: this is very dangerous and broken. We should ask the user before doing anything see http://pastethis.i2p/raw/pn5fL4YNJL7OSWj3Sc6N/
//TODO: we could redirect the user again to avoid dirtiness in the browser
i2p::client::context.GetAddressBook ().InsertAddress (m_address, base64);
m_path.erase(addressHelperPos);
}
bool HTTPProxyHandler::CreateHTTPRequest(uint8_t *http_buff, std::size_t len) {
ExtractRequest(); //TODO: parse earlier
if (!ValidateHTTPRequest()) return false;
HandleJumpServices();
m_request = m_method;
m_request.push_back(' ');
m_request += m_path;

11
util.cpp
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@ -1,3 +1,4 @@
#include <cstdlib>
#include <string>
#include <algorithm>
#include <cctype>
@ -444,6 +445,16 @@ namespace http
query_.assign(query_i, url_s.end());
}
std::string urlDecode(const std::string& data)
{
std::string res(data);
for (size_t pos = res.find('%'); pos != std::string::npos; pos = res.find('%',pos+1))
{
char c = strtol(res.substr(pos+1,2).c_str(), NULL, 16);
res.replace(pos,3,1,c);
}
return res;
}
}
namespace net

1
util.h
View File

@ -49,6 +49,7 @@ namespace util
std::string httpRequest(const std::string& address);
void MergeChunkedResponse (std::istream& response, std::ostream& merged);
int httpRequestViaI2pProxy(const std::string& address, std::string &content); // return http code
std::string urlDecode(const std::string& data);
struct url {
url(const std::string& url_s); // omitted copy, ==, accessors, ...