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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
< * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
> * Copyright (c) 2004-2016, Ryan Parman, Sam 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
< * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
> * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
< * @author Geoffrey Sneddon
> * @author Sam 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; var $permanent_url; public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false, $curl_options = array()) { 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'], NULL); } $this->url = $url; $this->permanent_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_FAILONERROR, 1); curl_setopt($fp, CURLOPT_TIMEOUT, $timeout); curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
< curl_setopt($fp, CURLOPT_REFERER, $url);
> curl_setopt($fp, CURLOPT_REFERER, SimplePie_Misc::url_remove_credentials($url));
curl_setopt($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, $redirects); < }
foreach ($curl_options as $curl_param => $curl_value) { curl_setopt($fp, $curl_param, $curl_value); } $this->headers = curl_exec($fp); if (curl_errno($fp) === 23 || curl_errno($fp) === 61) { curl_setopt($fp, CURLOPT_ENCODING, 'none'); $this->headers = curl_exec($fp); }
> $this->status_code = curl_getinfo($fp, CURLINFO_HTTP_CODE);
if (curl_errno($fp)) { $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); $this->success = false; } else { // Use the updated url provided by curl_getinfo after any redirects. if ($info = curl_getinfo($fp)) { $this->url = $info['url']; } curl_close($fp); $this->headers = SimplePie_HTTP_Parser::prepareHeaders($this->headers, $info['redirect_count'] + 1); $parser = new SimplePie_HTTP_Parser($this->headers); if ($parser->parse()) { $this->headers = $parser->headers; $this->body = trim($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); $previousStatusCode = $this->status_code;
< $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
> $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen, $curl_options);
$this->permanent_url = ($previousStatusCode == 301) ? $location : $url; return; } } } } 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); $previousStatusCode = $this->status_code;
< $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
> $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen, $curl_options);
$this->permanent_url = ($previousStatusCode == 301) ? $location : $url; return; } if (isset($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 { $this->body = trim($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 { $this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS; if (empty($url) || !($this->body = trim(file_get_contents($url)))) { $this->error = 'file_get_contents could not read the file'; $this->success = false; } } } }
> > class_alias('SimplePie_File', 'SimplePie\File', false);