140 lines
3.7 KiB
Ragel
Executable File
140 lines
3.7 KiB
Ragel
Executable File
/*
|
|
* Copyright (C) 2010-2015 Mamadou Diop.
|
|
*
|
|
* This file is part of Open Source Doubango Framework.
|
|
*
|
|
* DOUBANGO is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* DOUBANGO is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with DOUBANGO.
|
|
*
|
|
*/
|
|
/**@file thttp_parser_url.c
|
|
* @brief HTTP/HTTPS URL parser.
|
|
*/
|
|
#include "tinyhttp/parsers/thttp_parser_url.h"
|
|
|
|
#include "tsk_string.h"
|
|
#include "tsk_memory.h"
|
|
#include "tsk_debug.h"
|
|
|
|
/***********************************
|
|
* Ragel state machine.
|
|
*/
|
|
%%{
|
|
machine thttp_machine_parser_url;
|
|
|
|
# Includes
|
|
include thttp_machine_utils "./ragel/thttp_machine_utils.rl";
|
|
|
|
action tag{
|
|
tag_start = p;
|
|
}
|
|
|
|
#/* Sets URL type */
|
|
action is_http { url->scheme = tsk_strdup("http"), url->type = thttp_url_http; }
|
|
action is_https { url->scheme = tsk_strdup("https"), url->type = thttp_url_https; }
|
|
|
|
#/* Sets HOST type */
|
|
action is_ipv4 { url->host_type = url->host_type = thttp_host_ipv4; }
|
|
action is_ipv6 { url->host_type = url->host_type = thttp_host_ipv6; }
|
|
action is_hostname { url->host_type = url->host_type = thttp_host_hostname; }
|
|
|
|
action parse_host{
|
|
TSK_PARSER_SET_STRING(url->host);
|
|
}
|
|
|
|
action parse_port{
|
|
have_port = 1;
|
|
TSK_PARSER_SET_INT(url->port);
|
|
}
|
|
|
|
action parse_hpath{
|
|
TSK_PARSER_SET_STRING(url->hpath);
|
|
}
|
|
|
|
action parse_search{
|
|
TSK_PARSER_SET_STRING(url->search);
|
|
}
|
|
|
|
action eob{
|
|
}
|
|
|
|
#// RFC 1738: "http://" hostport [ "/" hpath [ "?" search ]]
|
|
#// FIXME: hpath is no optional (see above) but in my def. I use it as opt (any*).
|
|
|
|
search = any* >tag %parse_search;
|
|
hpath = any* >tag %parse_hpath;
|
|
port = DIGIT+ >tag %parse_port;
|
|
myhost = ((IPv6reference >is_ipv6) | (IPv4address >is_ipv4) | (hostname >is_hostname)) >tag %parse_host;
|
|
hostport = myhost ( ":" port )?;
|
|
main := ( (("http:"i>tag %is_http | "https:"i>tag %is_https) "//")? hostport? :>("/" hpath :>("?" search)?)? ) @eob;
|
|
#main := ( hostport? :>("/" hpath :>("?" search)?)? ) @eob;
|
|
|
|
}%%
|
|
|
|
/**@ingroup thttp_url_group
|
|
* Parses a HTTP/HTTPS url.
|
|
* @param urlstring A pointer to a valid url string. If the port is missing, then it's default value will be 443 if
|
|
* the scheme is 'https' and 80 otherwise.<br>
|
|
* @param length The length of the url string.
|
|
* @retval A well-defined object representing the url string.
|
|
*
|
|
* @code
|
|
* thttp_url_t* url = thttp_url_parse("http://www.google.com", tsk_strlen("http://www.google.com"));
|
|
* @endcode
|
|
*
|
|
* @sa @ref thttp_url_tostring<br>@ref thttp_url_serialize
|
|
**/
|
|
thttp_url_t *thttp_url_parse(const char *urlstring, tsk_size_t length)
|
|
{
|
|
tsk_bool_t have_port = tsk_false;
|
|
int cs = 0;
|
|
const char *p = urlstring;
|
|
const char *pe = p + length;
|
|
const char *eof = pe;
|
|
|
|
const char *ts = 0, *te = 0;
|
|
int act =0;
|
|
|
|
thttp_url_t *url = thttp_url_create(thttp_url_unknown);
|
|
|
|
const char *tag_start = 0;
|
|
|
|
TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
|
|
%%write data;
|
|
(void)(ts);
|
|
(void)(te);
|
|
(void)(act);
|
|
(void)(eof);
|
|
(void)(thttp_machine_parser_url_first_final);
|
|
(void)(thttp_machine_parser_url_error);
|
|
(void)(thttp_machine_parser_url_en_main);
|
|
%%write init;
|
|
%%write exec;
|
|
TSK_RAGEL_DISABLE_WARNINGS_END()
|
|
|
|
if( cs < %%{ write first_final; }%% ){
|
|
TSK_DEBUG_ERROR("Failed to parse HTTP/HTTPS URL: '%.*s'", length, urlstring);
|
|
TSK_OBJECT_SAFE_FREE(url);
|
|
}
|
|
else if(!have_port){
|
|
if(url->type == thttp_url_https){
|
|
url->port = 443;
|
|
}
|
|
else{
|
|
url->port = 80;
|
|
}
|
|
}
|
|
|
|
return url;
|
|
}
|