5 * A PHP-Based RSS and Atom Feed Framework.
6 * Takes the hard work out of managing a complete RSS/Atom solution.
8 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
11 * Redistribution and use in source and binary forms, with or without modification, are
12 * permitted provided that the following conditions are met:
14 * * Redistributions of source code must retain the above copyright notice, this list of
15 * conditions and the following disclaimer.
17 * * Redistributions in binary form must reproduce the above copyright notice, this list
18 * of conditions and the following disclaimer in the documentation and/or other materials
19 * provided with the distribution.
21 * * Neither the name of the SimplePie Team nor the names of its contributors may be used
22 * to endorse or promote products derived from this software without specific prior
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
26 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
28 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
37 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
39 * @author Geoffrey Sneddon
41 * @link http://simplepie.org/ SimplePie
42 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
46 * Used for fetching remote files and reading local files
48 * Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support
50 * This class can be overloaded with {@see SimplePie::set_file_class()}
54 * @todo Move to properly supporting RFC2616 (HTTP/1.1)
61 var $headers = array();
66 var $method = SIMPLEPIE_FILE_SOURCE_NONE
;
68 public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
70 if (class_exists('idna_convert'))
72 $idn = new idna_convert();
73 $parsed = SimplePie_Misc
::parse_url($url);
74 $url = SimplePie_Misc
::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
77 $this->useragent
= $useragent;
78 if (preg_match('/^http(s)?:\/\//i', $url))
80 if ($useragent === null)
82 $useragent = ini_get('user_agent');
83 $this->useragent
= $useragent;
85 if (!is_array($headers))
89 if (!$force_fsockopen && function_exists('curl_exec'))
91 $this->method
= SIMPLEPIE_FILE_SOURCE_REMOTE
| SIMPLEPIE_FILE_SOURCE_CURL
;
94 foreach ($headers as $key => $value)
96 $headers2[] = "$key: $value";
98 if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
100 curl_setopt($fp, CURLOPT_ENCODING, '');
102 curl_setopt($fp, CURLOPT_URL, $url);
103 curl_setopt($fp, CURLOPT_HEADER, 1);
104 curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
105 curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
106 curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
107 curl_setopt($fp, CURLOPT_REFERER, $url);
108 curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
109 curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
110 if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
112 curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
113 curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
116 $this->headers = curl_exec($fp);
117 if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
119 curl_setopt($fp, CURLOPT_ENCODING, 'none');
120 $this->headers = curl_exec($fp);
124 $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
125 $this->success = false;
129 $info = curl_getinfo($fp);
131 $this->headers = explode("\r\n\r\n
", $this->headers, $info['redirect_count'] + 1);
132 $this->headers = array_pop($this->headers);
133 $parser = new SimplePie_HTTP_Parser($this->headers);
134 if ($parser->parse())
136 $this->headers = $parser->headers;
137 $this->body = $parser->body;
138 $this->status_code = $parser->status_code;
139 if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
142 $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
143 return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
150 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
151 $url_parts = parse_url($url);
152 $socket_host = $url_parts['host'];
153 if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
155 $socket_host = "ssl
://$url_parts[host]";
156 $url_parts['port'] = 443;
158 if (!isset($url_parts['port']))
160 $url_parts['port'] = 80;
162 $fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
165 $this->error
= 'fsockopen error: ' . $errstr;
166 $this->success
= false;
170 stream_set_timeout($fp, $timeout);
171 if (isset($url_parts['path']))
173 if (isset($url_parts['query']))
175 $get = "$url_parts[path]?$url_parts[query]";
179 $get = $url_parts['path'];
186 $out = "GET $get HTTP/1.1\r\n";
187 $out .= "Host: $url_parts[host]\r\n";
188 $out .= "User-Agent: $useragent\r\n";
189 if (extension_loaded('zlib'))
191 $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
194 if (isset($url_parts['user']) && isset($url_parts['pass']))
196 $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
198 foreach ($headers as $key => $value)
200 $out .= "$key: $value\r\n";
202 $out .= "Connection: Close\r\n\r\n";
205 $info = stream_get_meta_data($fp);
208 while (!$info['eof'] && !$info['timed_out'])
210 $this->headers
.= fread($fp, 1160);
211 $info = stream_get_meta_data($fp);
213 if (!$info['timed_out'])
215 $parser = new SimplePie_HTTP_Parser($this->headers
);
216 if ($parser->parse())
218 $this->headers
= $parser->headers
;
219 $this->body
= $parser->body
;
220 $this->status_code
= $parser->status_code
;
221 if ((in_array($this->status_code
, array(300, 301, 302, 303, 307)) || $this->status_code
> 307 && $this->status_code
< 400) && isset($this->headers
['location']) && $this->redirects
< $redirects)
224 $location = SimplePie_Misc
::absolutize_url($this->headers
['location'], $url);
225 return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
227 if (isset($this->headers
['content-encoding']))
229 // Hey, we act dumb elsewhere, so let's do that here too
230 switch (strtolower(trim($this->headers
['content-encoding'], "\x09\x0A\x0D\x20")))
234 $decoder = new SimplePie_gzdecode($this->body
);
235 if (!$decoder->parse())
237 $this->error
= 'Unable to decode HTTP "gzip" stream';
238 $this->success
= false;
242 $this->body
= $decoder->data
;
247 if (($decompressed = gzinflate($this->body
)) !== false)
249 $this->body
= $decompressed;
251 else if (($decompressed = gzuncompress($this->body
)) !== false)
253 $this->body
= $decompressed;
255 else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body
)) !== false)
257 $this->body
= $decompressed;
261 $this->error
= 'Unable to decode HTTP "deflate" stream';
262 $this->success
= false;
267 $this->error
= 'Unknown content coding';
268 $this->success
= false;
275 $this->error
= 'fsocket timed out';
276 $this->success
= false;
284 $this->method
= SIMPLEPIE_FILE_SOURCE_LOCAL
| SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS
;
285 if (!$this->body
= file_get_contents($url))
287 $this->error
= 'file_get_contents could not read the file';
288 $this->success
= false;