root / drupal7 / sites / all / libraries / simplepie / library / SimplePie / File.php @ 41cc1b08
| 1 |
<?php
|
|---|---|
| 2 |
/**
|
| 3 |
* SimplePie
|
| 4 |
*
|
| 5 |
* A PHP-Based RSS and Atom Feed Framework.
|
| 6 |
* Takes the hard work out of managing a complete RSS/Atom solution.
|
| 7 |
*
|
| 8 |
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
|
| 9 |
* All rights reserved.
|
| 10 |
*
|
| 11 |
* Redistribution and use in source and binary forms, with or without modification, are
|
| 12 |
* permitted provided that the following conditions are met:
|
| 13 |
*
|
| 14 |
* * Redistributions of source code must retain the above copyright notice, this list of
|
| 15 |
* conditions and the following disclaimer.
|
| 16 |
*
|
| 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.
|
| 20 |
*
|
| 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
|
| 23 |
* written permission.
|
| 24 |
*
|
| 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.
|
| 34 |
*
|
| 35 |
* @package SimplePie
|
| 36 |
* @version 1.3.1
|
| 37 |
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
|
| 38 |
* @author Ryan Parman
|
| 39 |
* @author Geoffrey Sneddon
|
| 40 |
* @author Ryan McCue
|
| 41 |
* @link http://simplepie.org/ SimplePie
|
| 42 |
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
|
| 43 |
*/
|
| 44 |
|
| 45 |
/**
|
| 46 |
* Used for fetching remote files and reading local files
|
| 47 |
*
|
| 48 |
* Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support
|
| 49 |
*
|
| 50 |
* This class can be overloaded with {@see SimplePie::set_file_class()}
|
| 51 |
*
|
| 52 |
* @package SimplePie
|
| 53 |
* @subpackage HTTP
|
| 54 |
* @todo Move to properly supporting RFC2616 (HTTP/1.1)
|
| 55 |
*/
|
| 56 |
class SimplePie_File |
| 57 |
{
|
| 58 |
var $url; |
| 59 |
var $useragent; |
| 60 |
var $success = true; |
| 61 |
var $headers = array(); |
| 62 |
var $body; |
| 63 |
var $status_code; |
| 64 |
var $redirects = 0; |
| 65 |
var $error; |
| 66 |
var $method = SIMPLEPIE_FILE_SOURCE_NONE; |
| 67 |
|
| 68 |
public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) |
| 69 |
{
|
| 70 |
if (class_exists('idna_convert')) |
| 71 |
{
|
| 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']); |
| 75 |
} |
| 76 |
$this->url = $url; |
| 77 |
$this->useragent = $useragent; |
| 78 |
if (preg_match('/^http(s)?:\/\//i', $url)) |
| 79 |
{
|
| 80 |
if ($useragent === null) |
| 81 |
{
|
| 82 |
$useragent = ini_get('user_agent'); |
| 83 |
$this->useragent = $useragent; |
| 84 |
} |
| 85 |
if (!is_array($headers)) |
| 86 |
{
|
| 87 |
$headers = array(); |
| 88 |
} |
| 89 |
if (!$force_fsockopen && function_exists('curl_exec')) |
| 90 |
{
|
| 91 |
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL; |
| 92 |
$fp = curl_init();
|
| 93 |
$headers2 = array(); |
| 94 |
foreach ($headers as $key => $value) |
| 95 |
{
|
| 96 |
$headers2[] = "$key: $value"; |
| 97 |
} |
| 98 |
if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>=')) |
| 99 |
{
|
| 100 |
curl_setopt($fp, CURLOPT_ENCODING, ''); |
| 101 |
} |
| 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, $headers2); |
| 110 |
if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>=')) |
| 111 |
{
|
| 112 |
curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1); |
| 113 |
curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects); |
| 114 |
} |
| 115 |
|
| 116 |
$this->headers = curl_exec($fp); |
| 117 |
if (curl_errno($fp) === 23 || curl_errno($fp) === 61) |
| 118 |
{
|
| 119 |
curl_setopt($fp, CURLOPT_ENCODING, 'none'); |
| 120 |
$this->headers = curl_exec($fp); |
| 121 |
} |
| 122 |
if (curl_errno($fp)) |
| 123 |
{
|
| 124 |
$this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); |
| 125 |
$this->success = false; |
| 126 |
} |
| 127 |
else
|
| 128 |
{
|
| 129 |
$info = curl_getinfo($fp); |
| 130 |
curl_close($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()) |
| 135 |
{
|
| 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) |
| 140 |
{
|
| 141 |
$this->redirects++;
|
| 142 |
$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); |
| 143 |
return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); |
| 144 |
} |
| 145 |
} |
| 146 |
} |
| 147 |
} |
| 148 |
else
|
| 149 |
{
|
| 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') |
| 154 |
{
|
| 155 |
$socket_host = "ssl://$url_parts[host]"; |
| 156 |
$url_parts['port'] = 443; |
| 157 |
} |
| 158 |
if (!isset($url_parts['port'])) |
| 159 |
{
|
| 160 |
$url_parts['port'] = 80; |
| 161 |
} |
| 162 |
$fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout); |
| 163 |
if (!$fp) |
| 164 |
{
|
| 165 |
$this->error = 'fsockopen error: ' . $errstr; |
| 166 |
$this->success = false; |
| 167 |
} |
| 168 |
else
|
| 169 |
{
|
| 170 |
stream_set_timeout($fp, $timeout); |
| 171 |
if (isset($url_parts['path'])) |
| 172 |
{
|
| 173 |
if (isset($url_parts['query'])) |
| 174 |
{
|
| 175 |
$get = "$url_parts[path]?$url_parts[query]"; |
| 176 |
} |
| 177 |
else
|
| 178 |
{
|
| 179 |
$get = $url_parts['path']; |
| 180 |
} |
| 181 |
} |
| 182 |
else
|
| 183 |
{
|
| 184 |
$get = '/'; |
| 185 |
} |
| 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')) |
| 190 |
{
|
| 191 |
$out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n"; |
| 192 |
} |
| 193 |
|
| 194 |
if (isset($url_parts['user']) && isset($url_parts['pass'])) |
| 195 |
{
|
| 196 |
$out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n"; |
| 197 |
} |
| 198 |
foreach ($headers as $key => $value) |
| 199 |
{
|
| 200 |
$out .= "$key: $value\r\n"; |
| 201 |
} |
| 202 |
$out .= "Connection: Close\r\n\r\n"; |
| 203 |
fwrite($fp, $out); |
| 204 |
|
| 205 |
$info = stream_get_meta_data($fp); |
| 206 |
|
| 207 |
$this->headers = ''; |
| 208 |
while (!$info['eof'] && !$info['timed_out']) |
| 209 |
{
|
| 210 |
$this->headers .= fread($fp, 1160); |
| 211 |
$info = stream_get_meta_data($fp); |
| 212 |
} |
| 213 |
if (!$info['timed_out']) |
| 214 |
{
|
| 215 |
$parser = new SimplePie_HTTP_Parser($this->headers); |
| 216 |
if ($parser->parse()) |
| 217 |
{
|
| 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) |
| 222 |
{
|
| 223 |
$this->redirects++;
|
| 224 |
$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); |
| 225 |
return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); |
| 226 |
} |
| 227 |
if (isset($this->headers['content-encoding'])) |
| 228 |
{
|
| 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"))) |
| 231 |
{
|
| 232 |
case 'gzip': |
| 233 |
case 'x-gzip': |
| 234 |
$decoder = new SimplePie_gzdecode($this->body); |
| 235 |
if (!$decoder->parse()) |
| 236 |
{
|
| 237 |
$this->error = 'Unable to decode HTTP "gzip" stream'; |
| 238 |
$this->success = false; |
| 239 |
} |
| 240 |
else
|
| 241 |
{
|
| 242 |
$this->body = $decoder->data; |
| 243 |
} |
| 244 |
break;
|
| 245 |
|
| 246 |
case 'deflate': |
| 247 |
if (($decompressed = gzinflate($this->body)) !== false) |
| 248 |
{
|
| 249 |
$this->body = $decompressed; |
| 250 |
} |
| 251 |
else if (($decompressed = gzuncompress($this->body)) !== false) |
| 252 |
{
|
| 253 |
$this->body = $decompressed; |
| 254 |
} |
| 255 |
else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false) |
| 256 |
{
|
| 257 |
$this->body = $decompressed; |
| 258 |
} |
| 259 |
else
|
| 260 |
{
|
| 261 |
$this->error = 'Unable to decode HTTP "deflate" stream'; |
| 262 |
$this->success = false; |
| 263 |
} |
| 264 |
break;
|
| 265 |
|
| 266 |
default:
|
| 267 |
$this->error = 'Unknown content coding'; |
| 268 |
$this->success = false; |
| 269 |
} |
| 270 |
} |
| 271 |
} |
| 272 |
} |
| 273 |
else
|
| 274 |
{
|
| 275 |
$this->error = 'fsocket timed out'; |
| 276 |
$this->success = false; |
| 277 |
} |
| 278 |
fclose($fp); |
| 279 |
} |
| 280 |
} |
| 281 |
} |
| 282 |
else
|
| 283 |
{
|
| 284 |
$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS; |
| 285 |
if (!$this->body = file_get_contents($url)) |
| 286 |
{
|
| 287 |
$this->error = 'file_get_contents could not read the file'; |
| 288 |
$this->success = false; |
| 289 |
} |
| 290 |
} |
| 291 |
} |
| 292 |
} |