mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-16 15:46:04 +01:00
7f29687a55
git-svn-id: http://core.svn.wordpress.org/branches/4.3@33847 1a063a9b-81f0-0310-95a4-ce76da25c4cd
293 lines
9.5 KiB
PHP
293 lines
9.5 KiB
PHP
<?php
|
|
/**
|
|
* SimplePie
|
|
*
|
|
* A PHP-Based RSS and Atom Feed Framework.
|
|
* Takes the hard work out of managing a complete RSS/Atom solution.
|
|
*
|
|
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification, are
|
|
* permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice, this list of
|
|
* conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright notice, this list
|
|
* of conditions and the following disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
|
|
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @package SimplePie
|
|
* @version 1.3.1
|
|
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
|
|
* @author Ryan Parman
|
|
* @author Geoffrey Sneddon
|
|
* @author Ryan McCue
|
|
* @link http://simplepie.org/ SimplePie
|
|
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
|
|
*/
|
|
|
|
/**
|
|
* Used for fetching remote files and reading local files
|
|
*
|
|
* Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support
|
|
*
|
|
* This class can be overloaded with {@see SimplePie::set_file_class()}
|
|
*
|
|
* @package SimplePie
|
|
* @subpackage HTTP
|
|
* @todo Move to properly supporting RFC2616 (HTTP/1.1)
|
|
*/
|
|
class SimplePie_File
|
|
{
|
|
var $url;
|
|
var $useragent;
|
|
var $success = true;
|
|
var $headers = array();
|
|
var $body;
|
|
var $status_code;
|
|
var $redirects = 0;
|
|
var $error;
|
|
var $method = SIMPLEPIE_FILE_SOURCE_NONE;
|
|
|
|
public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
|
|
{
|
|
if (class_exists('idna_convert'))
|
|
{
|
|
$idn = new idna_convert();
|
|
$parsed = SimplePie_Misc::parse_url($url);
|
|
$url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
|
|
}
|
|
$this->url = $url;
|
|
$this->useragent = $useragent;
|
|
if (preg_match('/^http(s)?:\/\//i', $url))
|
|
{
|
|
if ($useragent === null)
|
|
{
|
|
$useragent = ini_get('user_agent');
|
|
$this->useragent = $useragent;
|
|
}
|
|
if (!is_array($headers))
|
|
{
|
|
$headers = array();
|
|
}
|
|
if (!$force_fsockopen && function_exists('curl_exec'))
|
|
{
|
|
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
|
|
$fp = curl_init();
|
|
$headers2 = array();
|
|
foreach ($headers as $key => $value)
|
|
{
|
|
$headers2[] = "$key: $value";
|
|
}
|
|
if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
|
|
{
|
|
curl_setopt($fp, CURLOPT_ENCODING, '');
|
|
}
|
|
curl_setopt($fp, CURLOPT_URL, $url);
|
|
curl_setopt($fp, CURLOPT_HEADER, 1);
|
|
curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
|
|
curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
|
|
curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
|
|
curl_setopt($fp, CURLOPT_REFERER, $url);
|
|
curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
|
|
curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
|
|
if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
|
|
{
|
|
curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
|
|
curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
|
|
}
|
|
|
|
$this->headers = curl_exec($fp);
|
|
if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
|
|
{
|
|
curl_setopt($fp, CURLOPT_ENCODING, 'none');
|
|
$this->headers = curl_exec($fp);
|
|
}
|
|
if (curl_errno($fp))
|
|
{
|
|
$this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
|
|
$this->success = false;
|
|
}
|
|
else
|
|
{
|
|
$info = curl_getinfo($fp);
|
|
curl_close($fp);
|
|
$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
|
|
$this->headers = array_pop($this->headers);
|
|
$parser = new SimplePie_HTTP_Parser($this->headers);
|
|
if ($parser->parse())
|
|
{
|
|
$this->headers = $parser->headers;
|
|
$this->body = $parser->body;
|
|
$this->status_code = $parser->status_code;
|
|
if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
|
|
{
|
|
$this->redirects++;
|
|
$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
|
|
return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
|
|
$url_parts = parse_url($url);
|
|
$socket_host = $url_parts['host'];
|
|
if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
|
|
{
|
|
$socket_host = "ssl://$url_parts[host]";
|
|
$url_parts['port'] = 443;
|
|
}
|
|
if (!isset($url_parts['port']))
|
|
{
|
|
$url_parts['port'] = 80;
|
|
}
|
|
$fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
|
|
if (!$fp)
|
|
{
|
|
$this->error = 'fsockopen error: ' . $errstr;
|
|
$this->success = false;
|
|
}
|
|
else
|
|
{
|
|
stream_set_timeout($fp, $timeout);
|
|
if (isset($url_parts['path']))
|
|
{
|
|
if (isset($url_parts['query']))
|
|
{
|
|
$get = "$url_parts[path]?$url_parts[query]";
|
|
}
|
|
else
|
|
{
|
|
$get = $url_parts['path'];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$get = '/';
|
|
}
|
|
$out = "GET $get HTTP/1.1\r\n";
|
|
$out .= "Host: $url_parts[host]\r\n";
|
|
$out .= "User-Agent: $useragent\r\n";
|
|
if (extension_loaded('zlib'))
|
|
{
|
|
$out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
|
|
}
|
|
|
|
if (isset($url_parts['user']) && isset($url_parts['pass']))
|
|
{
|
|
$out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
|
|
}
|
|
foreach ($headers as $key => $value)
|
|
{
|
|
$out .= "$key: $value\r\n";
|
|
}
|
|
$out .= "Connection: Close\r\n\r\n";
|
|
fwrite($fp, $out);
|
|
|
|
$info = stream_get_meta_data($fp);
|
|
|
|
$this->headers = '';
|
|
while (!$info['eof'] && !$info['timed_out'])
|
|
{
|
|
$this->headers .= fread($fp, 1160);
|
|
$info = stream_get_meta_data($fp);
|
|
}
|
|
if (!$info['timed_out'])
|
|
{
|
|
$parser = new SimplePie_HTTP_Parser($this->headers);
|
|
if ($parser->parse())
|
|
{
|
|
$this->headers = $parser->headers;
|
|
$this->body = $parser->body;
|
|
$this->status_code = $parser->status_code;
|
|
if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
|
|
{
|
|
$this->redirects++;
|
|
$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
|
|
return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
|
|
}
|
|
if (isset($this->headers['content-encoding']))
|
|
{
|
|
// Hey, we act dumb elsewhere, so let's do that here too
|
|
switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20")))
|
|
{
|
|
case 'gzip':
|
|
case 'x-gzip':
|
|
$decoder = new SimplePie_gzdecode($this->body);
|
|
if (!$decoder->parse())
|
|
{
|
|
$this->error = 'Unable to decode HTTP "gzip" stream';
|
|
$this->success = false;
|
|
}
|
|
else
|
|
{
|
|
$this->body = $decoder->data;
|
|
}
|
|
break;
|
|
|
|
case 'deflate':
|
|
if (($decompressed = gzinflate($this->body)) !== false)
|
|
{
|
|
$this->body = $decompressed;
|
|
}
|
|
else if (($decompressed = gzuncompress($this->body)) !== false)
|
|
{
|
|
$this->body = $decompressed;
|
|
}
|
|
else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false)
|
|
{
|
|
$this->body = $decompressed;
|
|
}
|
|
else
|
|
{
|
|
$this->error = 'Unable to decode HTTP "deflate" stream';
|
|
$this->success = false;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
$this->error = 'Unknown content coding';
|
|
$this->success = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->error = 'fsocket timed out';
|
|
$this->success = false;
|
|
}
|
|
fclose($fp);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
|
|
if (!$this->body = file_get_contents($url))
|
|
{
|
|
$this->error = 'file_get_contents could not read the file';
|
|
$this->success = false;
|
|
}
|
|
}
|
|
}
|
|
}
|