SimplePie_File
Used for fetching remote files and reading local files.
Defined (1)
The class is defined in the following location(s).
- /wp-includes/SimplePie/File.php
- 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;
- }
- }
- }
- }