<?php
/**
- * HTTP handling class
- *
+ * @defgroup HTTP HTTP
*/
-
+/**
+ * Various HTTP related functions
+ * @ingroup HTTP
+ */
class Http {
- const SYNC_DOWNLOAD = 1; //syncronys upload (in a single request)
- const ASYNC_DOWNLOAD = 2; //asynchronous upload we should spawn out another process and monitor progress if possible)
-
- var $body = '';
- public static function request( $url, $opts = array() ) {
- $req = new HttpRequest( $url, $opts );
- $status = $req->doRequest();
- if( $status->isOK() ){
- return $status->value;
- }else{
- return false;
- }
- }
- /**
- * Simple wrapper for Http::request( 'GET' )
- */
- public static function get( $url, $opts = array() ) {
- $opt['method'] = 'GET';
- return Http::request($url, $opts);
- }
+ static $httpEngine = false;
+
/**
- * Simple wrapper for Http::request( 'POST' )
+ * Perform an HTTP request
+ * @param $method string HTTP method. Usually GET/POST
+ * @param $url string Full URL to act on
+ * @param $options options to pass to HttpRequest object
+ * @returns mixed (bool)false on failure or a string on success
*/
- public static function post( $url, $opts = array() ) {
- $opts['method']='POST';
- return Http::request($url, $opts);
- }
-
- public static function doDownload( $url, $target_file_path , $dl_mode = self::SYNC_DOWNLOAD , $redirectCount=0){
- global $wgPhpCliPath, $wgMaxUploadSize, $wgMaxRedirects;
- //do a quick check to HEAD to insure the file size is not > $wgMaxUploadSize
- $head = get_headers($url, 1);
-
- //check for redirects:
- if( isset( $head['Location'] ) && strrpos($head[0], '302')!==false ){
- if($redirectCount < $wgMaxRedirects){
- if( UploadFromUrl::isValidURI( $head['Location'] )){
- return self::doDownload ( $head['Location'], $target_file_path , $dl_mode, $redirectCount++);
- }else{
- return Status::newFatal('upload-proto-error');
- }
- }else{
- return Status::newFatal('upload-too-many-redirects');
- }
- }
- //we did not get a 200 ok response:
- if( strrpos($head[0], '200 OK') === false){
- return Status::newFatal( 'upload-http-error', htmlspecialchars($head[0]) );
- }
-
-
- $content_length = (isset($head['Content-Length']))?$head['Content-Length']:null;
- if($content_length){
- if($content_length > $wgMaxUploadSize){
- return Status::newFatal('requested file length ' . $content_length . ' is greater than $wgMaxUploadSize: ' . $wgMaxUploadSize);
- }
+ public static function request( $method, $url, $options = array() ) {
+ wfDebug( "HTTP: $method: $url" );
+ $options['method'] = strtoupper( $method );
+ if ( !isset( $options['timeout'] ) ) {
+ $options['timeout'] = 'default';
}
-
- //check if we can find phpCliPath (for doing a background shell request to php to do the download:
- if( $wgPhpCliPath && wfShellExecEnabled() && $dl_mode == self::ASYNC_DOWNLOAD){
- wfDebug("\ASYNC_DOWNLOAD\n");
- //setup session and shell call:
- return self::initBackgroundDownload( $url, $target_file_path, $content_length );
- }else if( $dl_mode== self::SYNC_DOWNLOAD ){
- wfDebug("\nSYNC_DOWNLOAD\n");
- //SYNC_DOWNLOAD download as much as we can in the time we have to execute
- $opts['method']='GET';
- $opts['target_file_path'] = $target_file_path;
- $req = new HttpRequest($url, $opts );
- return $req->doRequest();
+ $req = HttpRequest::factory( $url, $options );
+ $status = $req->execute();
+ if ( $status->isOK() ) {
+ return $req->getContent();
+ } else {
+ return false;
}
}
+
/**
- * a non blocking request (generally an exit point in the application)
- * should write to a file location and give updates
- *
+ * Simple wrapper for Http::request( 'GET' )
+ * @see Http::request()
*/
- private function initBackgroundDownload( $url, $target_file_path, $content_length = null ){
- global $wgMaxUploadSize, $IP, $wgPhpCliPath;
- $status = Status::newGood();
-
- //generate a session id with all the details for the download (pid, target_file_path )
- $upload_session_key = self::getUploadSessionKey();
- $session_id = session_id();
-
- //store the url and target path:
- $_SESSION[ 'wsDownload' ][$upload_session_key]['url'] = $url;
- $_SESSION[ 'wsDownload' ][$upload_session_key]['target_file_path'] = $target_file_path;
-
- if($content_length)
- $_SESSION[ 'wsDownload' ][$upload_session_key]['content_length'] = $content_length;
-
- //set initial loaded bytes:
- $_SESSION[ 'wsDownload' ][$upload_session_key]['loaded'] = 0;
-
-
- //run the background download request:
- $cmd = $wgPhpCliPath . ' ' . $IP . "/maintenance/http_session_download.php --sid {$session_id} --usk {$upload_session_key}";
- $pid = wfShellBackgroundExec($cmd , $retval);
- //the pid is not of much use since we won't be visiting this same apache any-time soon.
- if(!$pid)
- return Status::newFatal('could not run background shell exec');
-
- //update the status value with the $upload_session_key (for the user to check on the status of the upload)
- $status->value = $upload_session_key;
-
- //return good status
- return $status;
- }
- function getUploadSessionKey(){
- $key = mt_rand( 0, 0x7fffffff );
- $_SESSION['wsUploadData'][$key] = array();
- return $key;
+ public static function get( $url, $timeout = 'default', $options = array() ) {
+ $options['timeout'] = $timeout;
+ return Http::request( 'GET', $url, $options );
}
+
/**
- * used to run a session based download. Is initiated via the shell.
- *
- * @param string $session_id // the session id to grab download details from
- * @param string $upload_session_key //the key of the given upload session
- * (a given client could have started a few http uploads at once)
+ * Simple wrapper for Http::request( 'POST' )
+ * @see Http::request()
*/
- public static function doSessionIdDownload( $session_id, $upload_session_key ){
- global $wgUser, $wgEnableWriteAPI, $wgAsyncHTTPTimeout;
- wfDebug("\n\ndoSessionIdDownload\n\n");
- //set session to the provided key:
- session_id($session_id);
- //start the session
- if( session_start() === false){
- wfDebug( __METHOD__ . ' could not start session');
- }
- //get all the vars we need from session_id
- if(!isset($_SESSION[ 'wsDownload' ][$upload_session_key])){
- wfDebug( __METHOD__ .' Error:could not find upload session');
- exit();
- }
- //setup the global user from the session key we just inherited
- $wgUser = User::newFromSession();
-
- //grab the session data to setup the request:
- $sd =& $_SESSION[ 'wsDownload' ][$upload_session_key];
- //close down the session so we can other http queries can get session updates:
- session_write_close();
-
- $req = new HttpRequest( $sd['url'], array(
- 'target_file_path' => $sd['target_file_path'],
- 'upload_session_key'=> $upload_session_key,
- 'timeout' => $wgAsyncHTTPTimeout
- ) );
- //run the actual request .. (this can take some time)
- wfDebug("do Request: " . $sd['url'] . ' tf: ' . $sd['target_file_path'] );
- $status = $req->doRequest();
- //wfDebug("done with req status is: ". $status->isOK(). ' '.$status->getWikiText(). "\n");
-
- //start up the session again:
- if( session_start() === false){
- wfDebug( __METHOD__ . ' ERROR:: Could not start session');
- }
- //grab the updated session data pointer
- $sd =& $_SESSION[ 'wsDownload' ][$upload_session_key];
- //if error update status:
- if( !$status->isOK() ){
- $sd['apiUploadResult']= ApiFormatJson::getJsonEncode(
- array( 'error' => $status->getWikiText() )
- );
- }
- //if status oky process upload using fauxReq to api:
- if( $status->isOK() ){
- //setup the faxRequest
- $fauxReqData = $sd['mParams'];
- $fauxReqData['action'] = 'upload';
- $fauxReqData['format'] = 'json';
- $fauxReqData['internalhttpsession'] = $upload_session_key;
- //evil but no other clean way about it:
-
- $faxReq = new FauxRequest($fauxReqData, true);
- $processor = new ApiMain($faxReq, $wgEnableWriteAPI);
-
- //init the mUpload var for the $processor
- $processor->execute();
- $processor->getResult()->cleanUpUTF8();
- $printer = $processor->createPrinterByName('json');
- $printer->initPrinter(false);
- ob_start();
- $printer->execute();
- $apiUploadResult = ob_get_clean();
-
- wfDebug("\n\n got api result:: $apiUploadResult \n" );
- //the status updates runner will grab the result form the session:
- $sd['apiUploadResult'] = $apiUploadResult;
- }
- //close the session:
- session_write_close();
+ public static function post( $url, $options = array() ) {
+ return Http::request( 'POST', $url, $options );
}
/**
}
/**
- * Return a standard user-agent we can use for external requests.
+ * A standard user-agent we can use for external requests.
+ * @returns string
*/
public static function userAgent() {
global $wgVersion;
return "MediaWiki/$wgVersion";
}
+
+ /**
+ * Checks that the given URI is a valid one
+ * @param $uri Mixed: URI to check for validity
+ * @returns bool
+ */
+ public static function isValidURI( $uri ) {
+ return preg_match(
+ '/(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/',
+ $uri,
+ $matches
+ );
+ }
}
-class HttpRequest{
- var $target_file_path;
- var $upload_session_key;
- function __construct($url, $opt){
- global $wgSyncHTTPTimeout;
+
+/**
+ * This wrapper class will call out to curl (if available) or fallback
+ * to regular PHP if necessary for handling internal HTTP requests.
+ */
+class HttpRequest {
+ protected $content;
+ protected $timeout = 'default';
+ protected $headersOnly = null;
+ protected $postData = null;
+ protected $proxy = null;
+ protected $noProxy = false;
+ protected $sslVerifyHost = true;
+ protected $caInfo = null;
+ protected $method = "GET";
+ protected $reqHeaders = array();
+ protected $url;
+ protected $parsedUrl;
+ protected $callback;
+ public $status;
+
+ /**
+ * @param $url string url to use
+ * @param $options array (optional) extra params to pass
+ * Possible keys for the array:
+ * method
+ * timeout
+ * targetFilePath
+ * requestKey
+ * postData
+ * proxy
+ * noProxy
+ * sslVerifyHost
+ * caInfo
+ */
+ function __construct( $url, $options = array() ) {
+ global $wgHTTPTimeout;
+
$this->url = $url;
- //set the timeout to default sync timeout (unless the timeout option is provided)
- $this->timeout = (isset($opt['timeout']))?$opt['timeout']:$wgSyncHTTPTimeout;
- $this->method = (isset($opt['method']))?$opt['method']:'GET';
- $this->target_file_path = (isset($opt['target_file_path']))?$opt['target_file_path']:false;
- $this->upload_session_key = (isset($opt['upload_session_key']))?$opt['upload_session_key']:false;
+ $this->parsedUrl = parse_url( $url );
+
+ if ( !Http::isValidURI( $this->url ) ) {
+ $this->status = Status::newFromFatal('http-invalid-url');
+ } else {
+ $this->status = Status::newGood( 100 ); // continue
+ }
+
+ if ( isset($options['timeout']) && $options['timeout'] != 'default' ) {
+ $this->timeout = $options['timeout'];
+ } else {
+ $this->timeout = $wgHTTPTimeout;
+ }
+
+ $members = array( "targetFilePath", "requestKey", "postData",
+ "proxy", "noProxy", "sslVerifyHost", "caInfo", "method" );
+ foreach ( $members as $o ) {
+ if ( isset($options[$o]) ) {
+ $this->$o = $options[$o];
+ }
+ }
}
-/**
- * Get the contents of a file by HTTP
- * @param $url string Full URL to act on
- * @param $Opt associative array Optional array of options:
- * 'method' => 'GET', 'POST' etc.
- * 'target_file_path' => if curl should output to a target file
- * 'adapter' => 'curl', 'soket'
+
+ /**
+ * Generate a new request object
+ * @see HttpRequest::__construct
*/
- public function doRequest() {
- # Use curl if available
- if ( function_exists( 'curl_init' ) ) {
- return $this->doCurlReq();
- }else{
- return $this->doPhpReq();
+ public static function factory( $url, $options = null ) {
+ if ( !Http::$httpEngine ) {
+ Http::$httpEngine = function_exists( 'curl_init' ) ? 'curl' : 'php';
+ } elseif ( Http::$httpEngine == 'curl' && !function_exists( 'curl_init' ) ) {
+ throw new MWException( __METHOD__.': curl (http://php.net/curl) is not installed, but Http::$httpEngine is set to "curl"' );
+ }
+
+ switch( Http::$httpEngine ) {
+ case 'curl':
+ return new CurlHttpRequest( $url, $options );
+ case 'php':
+ if ( !wfIniGetBool( 'allow_url_fopen' ) ) {
+ throw new MWException( __METHOD__.': allow_url_fopen needs to be enabled for pure PHP http requests to work. '.
+ 'If possible, curl should be used instead. See http://php.net/curl.' );
+ }
+ return new PhpHttpRequest( $url, $options );
+ default:
+ throw new MWException( __METHOD__.': The setting of Http::$httpEngine is not valid.' );
}
- }
- private function doCurlReq(){
- global $wgHTTPProxy, $wgTitle;
+ }
+
+ /**
+ * Get the body, or content, of the response to the request
+ * @return string
+ */
+ public function getContent() {
+ return $this->content;
+ }
+
+ /**
+ * Take care of setting up the proxy
+ * (override in subclass)
+ * @return string
+ */
+ public function proxySetup() {
+ global $wgHTTPProxy;
- $status = Status::newGood();
- $c = curl_init( $this->url );
- //proxy setup:
+ if ( $this->proxy ) {
+ return;
+ }
if ( Http::isLocalURL( $this->url ) ) {
- curl_setopt( $c, CURLOPT_PROXY, 'localhost:80' );
- } else if ($wgHTTPProxy) {
- curl_setopt($c, CURLOPT_PROXY, $wgHTTPProxy);
+ $this->proxy = 'http://localhost:80/';
+ } elseif ( $wgHTTPProxy ) {
+ $this->proxy = $wgHTTPProxy ;
}
+ }
- curl_setopt( $c, CURLOPT_TIMEOUT, $this->timeout );
+ /**
+ * Set the refererer header
+ */
+ public function setReferer( $url ) {
+ $this->setHeader('Referer', $url);
+ }
+ /**
+ * Set the user agent
+ */
+ public function setUserAgent( $UA ) {
+ $this->setHeader('User-Agent', $UA);
+ }
- curl_setopt( $c, CURLOPT_USERAGENT, Http::userAgent() );
+ /**
+ * Set an arbitrary header
+ */
+ public function setHeader($name, $value) {
+ // I feel like I should normalize the case here...
+ $this->reqHeaders[$name] = $value;
+ }
- if ( $this->method == 'POST' ) {
- curl_setopt( $c, CURLOPT_POST, true );
- curl_setopt( $c, CURLOPT_POSTFIELDS, '' );
- }else{
- curl_setopt( $c, CURLOPT_CUSTOMREQUEST, $this->method );
- }
+ /**
+ * Get an array of the headers
+ */
+ public function getHeaderList() {
+ $list = array();
- # Set the referer to $wgTitle, even in command-line mode
- # This is useful for interwiki transclusion, where the foreign
- # server wants to know what the referring page is.
- # $_SERVER['REQUEST_URI'] gives a less reliable indication of the
- # referring page.
- if ( is_object( $wgTitle ) ) {
- curl_setopt( $c, CURLOPT_REFERER, $wgTitle->getFullURL() );
+ foreach($this->reqHeaders as $name => $value) {
+ $list[] = "$name: $value";
}
+ return $list;
+ }
- //set the write back function (if we are writing to a file)
- if( $this->target_file_path ){
- $cwrite = new simpleFileWriter( $this->target_file_path, $this->upload_session_key );
- if(!$cwrite->status->isOK()){
- wfDebug("ERROR in setting up simpleFileWriter\n");
- $status = $cwrite->status;
- }
- curl_setopt( $c, CURLOPT_WRITEFUNCTION, array($cwrite, 'callbackWriteBody') );
- }
+ /**
+ * Set the callback
+ * @param $callback callback
+ */
+ public function setCallback( $callback ) {
+ $this->callback = $callback;
+ }
- //start output grabber:
- if(!$this->target_file_path)
- ob_start();
+ /**
+ * A generic callback to read in the response from a remote server
+ * @param $fh handle
+ * @param $content string
+ */
+ public function read( $fh, $content ) {
+ $this->content .= $content;
+ return strlen( $content );
+ }
- //run the actual curl_exec:
- try {
- if (false === curl_exec($c)) {
- $error_txt ='Error sending request: #' . curl_errno($c) .' '. curl_error($c);
- wfDebug($error_txt . "\n");
- $status = Status::newFatal( $error_txt);
- }
- } catch (Exception $e) {
- //do something with curl exec error?
- }
- //if direct request output the results to the stats value:
- if( !$this->target_file_path && $status->isOK() ){
- $status->value = ob_get_contents();
- ob_end_clean();
- }
- //if we wrote to a target file close up or return error
- if( $this->target_file_path ){
- $cwrite->close();
- if( ! $cwrite->status->isOK() ){
- return $cwrite->status;
- }
+ /**
+ * Take care of whatever is necessary to perform the URI request.
+ * @return Status
+ */
+ public function execute() {
+ global $wgTitle;
+
+ if( strtoupper($this->method) == "HEAD" ) {
+ $this->headersOnly = true;
}
- # Don't return the text of error messages, return false on error
- $retcode = curl_getinfo( $c, CURLINFO_HTTP_CODE );
- if ( $retcode != 200 ) {
- wfDebug( __METHOD__ . ": HTTP return code $retcode\n" );
- $status = Status::newFatal( "HTTP return code $retcode\n" );
+ if ( is_array( $this->postData ) ) {
+ $this->postData = wfArrayToCGI( $this->postData );
}
- # Don't return truncated output
- $errno = curl_errno( $c );
- if ( $errno != CURLE_OK ) {
- $errstr = curl_error( $c );
- wfDebug( __METHOD__ . ": CURL error code $errno: $errstr\n" );
- $status = Status::newFatal( " CURL error code $errno: $errstr\n" );
+
+ if ( is_object( $wgTitle ) && !isset($this->reqHeaders['Referer']) ) {
+ $this->setReferer( $wgTitle->getFullURL() );
}
- curl_close( $c );
- //return the result obj
- return $status;
- }
- public function doPhpReq(){
- #$use file_get_contents...
- # This doesn't have local fetch capabilities...
+ if ( !$this->noProxy ) {
+ $this->proxySetup();
+ }
- $headers = array( "User-Agent: " . self :: userAgent() );
- if( strcasecmp( $method, 'post' ) == 0 ) {
- // Required for HTTP 1.0 POSTs
- $headers[] = "Content-Length: 0";
+ if ( !$this->callback ) {
+ $this->setCallback( array( $this, 'read' ) );
}
- $opts = array(
- 'http' => array(
- 'method' => $method,
- 'header' => implode( "\r\n", $headers ),
- 'timeout' => $timeout ) );
- $ctx = stream_context_create( $opts );
-
- $status->value = file_get_contents( $url, false, $ctx );
- if(!$status->value){
- $status->error('file_get_contents-failed');
+
+ if ( !isset($this->reqHeaders['User-Agent']) ) {
+ $this->setUserAgent(Http::userAgent());
}
- return $status;
}
}
+
/**
- * a simpleFileWriter with session id updates
- *
+ * HttpRequest implemented using internal curl compiled into PHP
*/
-class simpleFileWriter{
- var $target_file_path;
- var $status = null;
- var $session_id = null;
- var $session_update_interval = 0; //how offten to update the session while downloading
-
- function simpleFileWriter($target_file_path, $upload_session_key){
- $this->target_file_path = $target_file_path;
- $this->upload_session_key = $upload_session_key;
- $this->status = Status::newGood();
- //open the file:
- $this->fp = fopen( $this->target_file_path, 'w');
- if( $this->fp === false ){
- $this->status = Status::newFatal('HTTP::could-not-open-file-for-writing');
+class CurlHttpRequest extends HttpRequest {
+ protected $curlOptions = array();
+
+ public function execute() {
+ parent::execute();
+ if ( !$this->status->isOK() ) {
+ return $this->status;
}
- //true start time
- $this->prevTime = time();
- }
- public function callbackWriteBody($ch, $data_packet){
- global $wgMaxUploadSize;
-
- //write out the content
- if( fwrite($this->fp, $data_packet) === false){
- wfDebug(__METHOD__ ." ::could-not-write-to-file\n");
- $this->status = Status::newFatal('HTTP::could-not-write-to-file');
- return 0;
+ $this->curlOptions[CURLOPT_PROXY] = $this->proxy;
+ $this->curlOptions[CURLOPT_TIMEOUT] = $this->timeout;
+ $this->curlOptions[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;
+ $this->curlOptions[CURLOPT_WRITEFUNCTION] = $this->callback;
+
+ /* not sure these two are actually necessary */
+ if(isset($this->reqHeaders['Referer'])) {
+ $this->curlOptions[CURLOPT_REFERER] = $this->reqHeaders['Referer'];
}
+ $this->curlOptions[CURLOPT_USERAGENT] = $this->reqHeaders['User-Agent'];
- //check file size:
- clearstatcache();
- $this->current_fsize = filesize( $this->target_file_path);
+ if ( $this->sslVerifyHost ) {
+ $this->curlOptions[CURLOPT_SSL_VERIFYHOST] = $this->sslVerifyHost;
+ }
- if( $this->current_fsize > $wgMaxUploadSize){
- wfDebug( __METHOD__ . " ::http download too large\n");
- $this->status = Status::newFatal('HTTP::file-has-grown-beyond-upload-limit-killing: downloaded more than ' .
- Language::formatSize($wgMaxUploadSize) . ' ');
- return 0;
+ if ( $this->caInfo ) {
+ $this->curlOptions[CURLOPT_CAINFO] = $this->caInfo;
}
- //if more than session_update_interval second have passed update_session_progress
- if($this->upload_session_key && ( (time() - $this->prevTime) > $this->session_update_interval )) {
- $this->prevTime = time();
- $session_status = $this->update_session_progress();
- if( !$session_status->isOK() ){
- $this->status = $session_status;
- wfDebug( __METHOD__ . ' update session failed or was canceled');
- return 0;
- }
+ if ( $this->headersOnly ) {
+ $this->curlOptions[CURLOPT_NOBODY] = true;
+ $this->curlOptions[CURLOPT_HEADER] = true;
+ } elseif ( $this->method == 'POST' ) {
+ $this->curlOptions[CURLOPT_POST] = true;
+ $this->curlOptions[CURLOPT_POSTFIELDS] = $this->postData;
+ // Suppress 'Expect: 100-continue' header, as some servers
+ // will reject it with a 417 and Curl won't auto retry
+ // with HTTP 1.0 fallback
+ $this->reqHeaders['Expect'] = '';
+ } else {
+ $this->curlOptions[CURLOPT_CUSTOMREQUEST] = $this->method;
}
- return strlen( $data_packet );
+
+ $this->curlOptions[CURLOPT_HTTPHEADER] = $this->getHeaderList();
+
+ $curlHandle = curl_init( $this->url );
+ curl_setopt_array( $curlHandle, $this->curlOptions );
+
+ if ( false === curl_exec( $curlHandle ) ) {
+ // re-using already translated error messages
+ $this->status->fatal( 'upload-curl-error'.curl_errno( $curlHandle ).'-text' );
+ }
+
+ curl_close( $curlHandle );
+
+ return $this->status;
}
- public function update_session_progress(){
- $status = Status::newGood();
- //start the session
- if( session_start() === false){
- wfDebug( __METHOD__ . ' could not start session');
- exit(0);
+}
+
+class PhpHttpRequest extends HttpRequest {
+ private $fh;
+
+ protected function urlToTcp( $url ) {
+ $parsedUrl = parse_url( $url );
+
+ return 'tcp://' . $parsedUrl['host'] . ':' . $parsedUrl['port'];
+ }
+
+ public function execute() {
+ if ( $this->parsedUrl['scheme'] != 'http' ) {
+ $this->status->fatal( 'http-invalid-scheme', $this->parsedURL['scheme'] );
+ }
+
+ parent::execute();
+ if ( !$this->status->isOK() ) {
+ return $this->status;
}
- $sd =& $_SESSION[ 'wsDownload' ][ $this->upload_session_key ];
- //check if the user canceled the request:
- if( $sd['user_cancel'] == true ){
- //kill the download
- return Status::newFatal('user-canceled-request');
+
+ $this->reqHeaders['Accept'] = "*/*";
+ if ( $this->method == 'POST' ) {
+ // Required for HTTP 1.0 POSTs
+ $this->reqHeaders['Content-Length'] = strlen( $this->postData );
+ $this->reqHeaders['Content-type'] = "application/x-www-form-urlencoded";
}
- //update the progress bytes download so far:
- $sd['loaded'] = $this->current_fsize;
- wfDebug('set session loaded amount to: ' . $sd['loaded'] . "\n");
- //close down the session so we can other http queries can get session updates:
- session_write_close();
- return $status;
- }
- public function close(){
- //do a final session update:
- $this->update_session_progress();
- //close up the file handle:
- if(false === fclose( $this->fp )){
- $this->status = Status::newFatal('HTTP::could-not-close-file');
+
+ $options = array();
+ if ( $this->proxy && !$this->noProxy ) {
+ $options['proxy'] = $this->urlToTCP( $this->proxy );
+ $options['request_fulluri'] = true;
+ }
+
+ $options['method'] = $this->method;
+ $options['timeout'] = $this->timeout;
+ $options['header'] = implode("\r\n", $this->getHeaderList());
+ // FOR NOW: Force everyone to HTTP 1.0
+ /* if ( version_compare( "5.3.0", phpversion(), ">" ) ) { */
+ $options['protocol_version'] = "1.0";
+ /* } else { */
+ /* $options['protocol_version'] = "1.1"; */
+ /* } */
+
+ if ( $this->postData ) {
+ $options['content'] = $this->postData;
+ }
+
+ $context = stream_context_create( array( 'http' => $options ) );
+ try {
+ $this->fh = fopen( $this->url, "r", false, $context );
+ } catch ( Exception $e ) {
+ $this->status->fatal( $e->getMessage() ); /* need some l10n help */
+ return $this->status;
}
+
+ $result = stream_get_meta_data( $this->fh );
+ if ( $result['timed_out'] ) {
+ $this->status->fatal( 'http-timed-out', $this->url );
+ return $this->status;
+ }
+
+ $this->headers = $result['wrapper_data'];
+
+ $end = false;
+ while ( !$end ) {
+ $contents = fread( $this->fh, 8192 );
+ $size = 0;
+ if ( $contents ) {
+ $size = call_user_func_array( $this->callback, array( $this->fh, $contents ) );
+ }
+ $end = ( $size == 0 ) || feof( $this->fh );
+ }
+ fclose( $this->fh );
+
+ return $this->status;
}
-}
\ No newline at end of file
+}