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HTTP

This is a library I wrote recently for interpreting HTML requests from browsers and constructing responses. If you use this, please credit me accordingly.

This is still a work in progress. Feedback is welcome.

Features

  • Parsing of HTTP requests from a browser.
  • Constructing HTTP responses for sending back to a browser.
  • "Basic" authentication handling.
  • URI parsing utilities.
  • WebSocket support.

Compatibility

  • This code doesn't handle the WebSocket handshake hashing; you'll need to provide your own. See below.
  • This was written and tested on Windows 8 and Visual Studio 11 Beta, but there shouldn't be any issues with other compilers.
  • Some munging may be required for Linux, but there's no code that can't be easily ported.
  • It does depend on std::string and std::map.
  • This uses C++11, but only for minor stuff.

Disclaimer

  • I release this without any promises of functionality or warranty.
  • This code is in no way affiliated with or endorsed by Microsoft.
  • I'm happy to be contacted if you have problems with any of this code.

Credits

WebSocket Handshake Hashing

Currently I'm using a third party hashing library that isn't mine to distribute, but I can recommend the smallsha1 code found at https://code.google.com/p/smallsha1/.

Integrate it with this library by using the following code to build your response to the Websocket handshake:

HTTP::HashFunc hashFunc = [] (LPCSTR pStrIn, LPUINT pHashOut)
{
	SHA1 hash;
	hash << pStrIn;
	hash.Result((unsigned*) pHashOut);
};

HTTP::BuildWebsocketRequestResponse(
	request,
	hashFunc,
	&responseHeader);