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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "base.h"
#ifndef __HTTPD_H__
#define __HTTPD_H__
#include <string>
#include <sstream>
#include <map>
/** A modifyable list of HTTP header fields
*/
class HTTPHeaders : public classbase
{
protected:
std::map<std::string,std::string> headers;
public:
/** Set the value of a header
* Sets the value of the named header. If the header is already present, it will be replaced
*/
void SetHeader(const std::string &name, const std::string &data)
{
headers[name] = data;
}
/** Set the value of a header, only if it doesn't exist already
* Sets the value of the named header. If the header is already present, it will NOT be updated
*/
void CreateHeader(const std::string &name, const std::string &data)
{
if (!IsSet(name))
SetHeader(name, data);
}
/** Remove the named header
*/
void RemoveHeader(const std::string &name)
{
headers.erase(name);
}
/** Remove all headers
*/
void Clear()
{
headers.clear();
}
/** Get the value of a header
* @return The value of the header, or an empty string
*/
std::string GetHeader(const std::string &name)
{
std::map<std::string,std::string>::iterator it = headers.find(name);
if (it == headers.end())
return std::string();
return it->second;
}
/** Check if the given header is specified
* @return true if the header is specified
*/
bool IsSet(const std::string &name)
{
std::map<std::string,std::string>::iterator it = headers.find(name);
return (it != headers.end());
}
/** Get all headers, formatted by the HTTP protocol
* @return Returns all headers, formatted according to the HTTP protocol. There is no request terminator at the end
*/
std::string GetFormattedHeaders()
{
std::string re;
for (std::map<std::string,std::string>::iterator i = headers.begin(); i != headers.end(); i++)
re += i->first + ": " + i->second + "\r\n";
return re;
}
};
/** This class represents a HTTP request.
* It will be sent to all modules as the data section of
* an Event.
*/
class HTTPRequest : public classbase
{
protected:
std::string type;
std::string document;
std::string ipaddr;
std::string postdata;
public:
HTTPHeaders *headers;
int errorcode;
/** A socket pointer, which you must return in your HTTPDocument class
* if you reply to this request.
*/
void* sock;
/** Initialize HTTPRequest.
* This constructor is called by m_httpd.so to initialize the class.
* @param request_type The request type, e.g. GET, POST, HEAD
* @param uri The URI, e.g. /page
* @param hdr The headers sent with the request
* @param opaque An opaque pointer used internally by m_httpd, which you must pass back to the module in your reply.
* @param ip The IP address making the web request.
* @param pdata The post data (content after headers) received with the request, up to Content-Length in size
*/
HTTPRequest(const std::string &request_type, const std::string &uri, HTTPHeaders* hdr, void* opaque, const std::string &ip, const std::string &pdata)
: type(request_type), document(uri), ipaddr(ip), postdata(pdata), headers(hdr), sock(opaque)
{
}
/** Get the post data (request content).
* All post data will be returned, including carriage returns and linefeeds.
* @return The postdata
*/
std::string& GetPostData()
{
return postdata;
}
/** Get the request type.
* Any request type can be intercepted, even ones which are invalid in the HTTP/1.1 spec.
* @return The request type, e.g. GET, POST, HEAD
*/
std::string& GetType()
{
return type;
}
/** Get URI.
* The URI string (URL minus hostname and scheme) will be provided by this function.
* @return The URI being requested
*/
std::string& GetURI()
{
return document;
}
/** Get IP address of requester.
* The requesting system's ip address will be returned.
* @return The IP address as a string
*/
std::string& GetIP()
{
return ipaddr;
}
};
/** You must return a HTTPDocument to the httpd module by using the Request class.
* When you initialize this class you may initialize it with all components required to
* form a valid HTTP response, including document data, headers, and a response code.
*/
class HTTPDocument : public classbase
{
protected:
std::stringstream* document;
int responsecode;
public:
HTTPHeaders headers;
/** The socket pointer from an earlier HTTPRequest
*/
void* sock;
/** Initialize a HTTPRequest ready for sending to m_httpd.so.
* @param opaque The socket pointer you obtained from the HTTPRequest at an earlier time
* @param doc A stringstream containing the document body
* @param response A valid HTTP/1.0 or HTTP/1.1 response code. The response text will be determined for you
* based upon the response code.
* @param extra Any extra headers to include with the defaults, seperated by carriage return and linefeed.
*/
HTTPDocument(void* opaque, std::stringstream* doc, int response) : document(doc), responsecode(response), sock(opaque)
{
}
/** Get the document text.
* @return The document text
*/
std::stringstream* GetDocument()
{
return this->document;
}
/** Get the document size.
* @return the size of the document text in bytes
*/
unsigned long GetDocumentSize()
{
return this->document->str().length();
}
/** Get the response code.
* @return The response code
*/
int GetResponseCode()
{
return this->responsecode;
}
};
#endif
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