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/*
* Copyright (c) 1994, 1995. Netscape Communications Corporation. All
* rights reserved.
*
* Use of this software is governed by the terms of the license agreement for
* the Netscape Communications or Netscape Comemrce Server between the
* parties.
*/
/* ------------------------------------------------------------------------ */
/*
* http.h: Deals with HTTP-related issues
*
* Rob McCool
*/
#ifndef HTTP_H
#define HTTP_H
#include "netsite.h"
#include "base/session.h"
#include "base/pblock.h"
#include "frame/req.h" /* REQ_MAX_LINE, Request structure */
/* ------------------------------ Constants ------------------------------- */
#define HTTP_DATE_LEN 128
#define HTTP_DATE_FMT "%A, %d-%b-%y %T GMT"
/* The maximum number of RFC-822 headers we'll allow */
/* This would be smaller if a certain browser wasn't so damn stupid. */
#define HTTP_MAX_HEADERS 200
/* Whether or not we should read the headers for if-modified-since */
#define HTTP_DO_IMS
#define HTTP_ALWAYS_LOADHDRS
/* HTTP status codes */
#define PROTOCOL_OK 200
#define PROTOCOL_NO_RESPONSE 204
#define PROTOCOL_REDIRECT 302
#define PROTOCOL_NOT_MODIFIED 304
#define PROTOCOL_BAD_REQUEST 400
#define PROTOCOL_UNAUTHORIZED 401
#define PROTOCOL_FORBIDDEN 403
#define PROTOCOL_NOT_FOUND 404
#define PROTOCOL_PROXY_UNAUTHORIZED 407
#define PROTOCOL_SERVER_ERROR 500
#define PROTOCOL_NOT_IMPLEMENTED 501
#ifdef NET_SSL
#define HTTPS_PORT 443
#define HTTPS_URL "https"
#endif
#define HTTP_PORT 80
#define HTTP_URL "http"
/* -------------------------- http_scan_headers --------------------------- */
/*
* parses the first line of an HTTP request
*/
#define protocol_parse_request http_parse_request
int http_parse_request(char *t, Request *rq, Session *sn);
/*
* Scans HTTP headers from the given netbuf, and places them in headers.
* If netbuf is NULL, the session's inbuf is used.
*
* Folded lines are joined and the linefeed removed (but not the whitespace).
* If there are any repeat headers they are joined and the two field bodies
* separated by a comma and space.
*
* t should be a string of length REQ_MAX_LINE. This is a convenience to
* req.c so that we don't use too much runtime stack.
*
* Session is an optional parameter. Use NULL if you wish. It's used for
* error logs.
*/
#define protocol_scan_headers http_scan_headers
int http_scan_headers(Session *sn, netbuf *buf, char *t, pblock *headers);
/*
* Starts the HTTP response. If HTTP/0.9, does nothing. If 1.0, sends header.
* If this returns REQ_NOACTION, the method was head and no body should be
* sent. Otherwise, it will return REQ_PROCEED.
*/
#define protocol_start_response http_start_response
int http_start_response(Session *sn, Request *rq);
/*
* http_hdrs2env takes the entries from the given pblock and converts them
* to an environment.
*
* Each name entry will be made uppercase, prefixed with HTTP_ and any
* occurrence of - will be converted to _.
*/
char **http_hdrs2env(pblock *pb);
/*
* http_status sets status to the code n, with reason string r. If r is
* NULL, the server will attempt to find one for the given status code.
* If it finds none, it will give "Because I felt like it."
*/
#define protocol_status http_status
void http_status(Session *sn, Request *rq, int n, char *r);
/*
* http_set_finfo sets content-length and last-modified
*/
#define protocol_set_finfo http_set_finfo
int http_set_finfo(Session *sn, Request *rq, struct stat *finfo);
/*
* Takes the given pblock and prints headers into the given buffer at
* position pos. Returns the buffer, reallocated if needed. Modifies pos.
*/
char *http_dump822(pblock *pb, char *t, int *pos, int tsz);
/*
* Finishes a request. For HTTP, this just closes the socket.
*/
#define protocol_finish_request http_finish_request
void http_finish_request(Session *sn, Request *rq);
/*
* http_handle_session processes each request generated by Session
*/
#define protocol_handle_session http_handle_session
void http_handle_session(Session *sn);
/*
* http_uri2url takes the give URI prefix and URI suffix and creates a
* newly-allocated full URL from them of the form
* http://(server):(port)(prefix)(suffix)
*
* If you want either prefix or suffix to be skipped, use "" instead of NULL.
*/
#define protocol_uri2url http_uri2url
char *http_uri2url(char *prefix, char *suffix);
#endif
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