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()}
/**
* Inititializes the HTTPClient
*
* We ignore all given parameters - they are set in DokuHTTPClient
*/
function FeedParser_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
{
parent::__construct();
$this->http = new DokuHTTPClient();
$this->success = $this->http->sendRequest($url);
$this->headers = $this->http->resp_headers;
$this->body = $this->http->resp_body;
$this->error = $this->http->error;
return $this->success;
}
public function __construct($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'], $url);
return SimplePie_File::__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
}
}
}
} else {
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
$url_parts = parse_url($url);
if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
$url_parts['host'] = "ssl://{$url_parts['host']}";
$url_parts['port'] = 443;
}
if (!isset($url_parts['port'])) {
$url_parts['port'] = 80;
}
$fp = @fsockopen($url_parts['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/1.0\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'], $url);
return SimplePie_File::__construct($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'], "\t\n\r "))) {
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 = $decoder->data;
}
break;
case 'deflate':
if (($body = gzuncompress($this->body)) === false) {
if (($body = gzinflate($this->body)) === false) {
$this->error = 'Unable to decode HTTP "deflate" stream';
$this->success = false;
}
}
$this->body = $body;
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';
$this->success = false;
}
}
}
function display_file($url, $timeout = 10, $useragent = null)
{
$file = new SimplePie_File($url, $timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $useragent);
$headers = $file->headers();
if ($file->body() !== false) {
header('Content-type: ' . $headers['content-type']);
echo $file->body();
exit;
}
}
