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) 2004-2009, 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 2004-2010 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
43 * @todo phpDoc comments
48 * @todo Move to properly supporting RFC2616 (HTTP/1.1)
55 var $headers = array();
60 var $method = SIMPLEPIE_FILE_SOURCE_NONE
;
62 public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
64 if (class_exists('idna_convert'))
66 $idn = new idna_convert();
67 $parsed = SimplePie_Misc
::parse_url($url);
68 $url = SimplePie_Misc
::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
71 $this->useragent
= $useragent;
72 if (preg_match('/^http(s)?:\/\//i', $url))
74 if ($useragent === null)
76 $useragent = ini_get('user_agent');
77 $this->useragent
= $useragent;
79 if (!is_array($headers))
83 if (!$force_fsockopen && function_exists('curl_exec'))
85 $this->method
= SIMPLEPIE_FILE_SOURCE_REMOTE
| SIMPLEPIE_FILE_SOURCE_CURL
;
88 foreach ($headers as $key => $value)
90 $headers2[] = "$key: $value";
92 if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
94 curl_setopt($fp, CURLOPT_ENCODING, '');
96 curl_setopt($fp, CURLOPT_URL, $url);
97 curl_setopt($fp, CURLOPT_HEADER, 1);
98 curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
99 curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
100 curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
101 curl_setopt($fp, CURLOPT_REFERER, $url);
102 curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
103 curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
104 if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
106 curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
107 curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
110 $this->headers = curl_exec($fp);
111 if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
113 curl_setopt($fp, CURLOPT_ENCODING, 'none');
114 $this->headers = curl_exec($fp);
118 $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
119 $this->success = false;
123 $info = curl_getinfo($fp);
125 $this->headers = explode("\r\n\r\n
", $this->headers, $info['redirect_count'] + 1);
126 $this->headers = array_pop($this->headers);
127 $parser = new SimplePie_HTTP_Parser($this->headers);
128 if ($parser->parse())
130 $this->headers = $parser->headers;
131 $this->body = $parser->body;
132 $this->status_code = $parser->status_code;
133 if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
136 $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
137 return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
144 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
145 $url_parts = parse_url($url);
146 $socket_host = $url_parts['host'];
147 if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
149 $socket_host = "ssl
://$url_parts[host]";
150 $url_parts['port'] = 443;
152 if (!isset($url_parts['port']))
154 $url_parts['port'] = 80;
156 $fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
159 $this->error
= 'fsockopen error: ' . $errstr;
160 $this->success
= false;
164 stream_set_timeout($fp, $timeout);
165 if (isset($url_parts['path']))
167 if (isset($url_parts['query']))
169 $get = "$url_parts[path]?$url_parts[query]";
173 $get = $url_parts['path'];
180 $out = "GET $get HTTP/1.1\r\n";
181 $out .= "Host: $url_parts[host]\r\n";
182 $out .= "User-Agent: $useragent\r\n";
183 if (extension_loaded('zlib'))
185 $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
188 if (isset($url_parts['user']) && isset($url_parts['pass']))
190 $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
192 foreach ($headers as $key => $value)
194 $out .= "$key: $value\r\n";
196 $out .= "Connection: Close\r\n\r\n";
199 $info = stream_get_meta_data($fp);
202 while (!$info['eof'] && !$info['timed_out'])
204 $this->headers
.= fread($fp, 1160);
205 $info = stream_get_meta_data($fp);
207 if (!$info['timed_out'])
209 $parser = new SimplePie_HTTP_Parser($this->headers
);
210 if ($parser->parse())
212 $this->headers
= $parser->headers
;
213 $this->body
= $parser->body
;
214 $this->status_code
= $parser->status_code
;
215 if ((in_array($this->status_code
, array(300, 301, 302, 303, 307)) || $this->status_code
> 307 && $this->status_code
< 400) && isset($this->headers
['location']) && $this->redirects
< $redirects)
218 $location = SimplePie_Misc
::absolutize_url($this->headers
['location'], $url);
219 return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
221 if (isset($this->headers
['content-encoding']))
223 // Hey, we act dumb elsewhere, so let's do that here too
224 switch (strtolower(trim($this->headers
['content-encoding'], "\x09\x0A\x0D\x20")))
228 $decoder = new SimplePie_gzdecode($this->body
);
229 if (!$decoder->parse())
231 $this->error
= 'Unable to decode HTTP "gzip" stream';
232 $this->success
= false;
236 $this->body
= $decoder->data
;
241 if (($body = gzuncompress($this->body
)) === false)
243 if (($body = gzinflate($this->body
)) === false)
245 $this->error
= 'Unable to decode HTTP "deflate" stream';
246 $this->success
= false;
253 $this->error
= 'Unknown content coding';
254 $this->success
= false;
261 $this->error
= 'fsocket timed out';
262 $this->success
= false;
270 $this->method
= SIMPLEPIE_FILE_SOURCE_LOCAL
| SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS
;
271 if (!$this->body
= file_get_contents($url))
273 $this->error
= 'file_get_contents could not read the file';
274 $this->success
= false;