<?php
/**
* HTTP handling class
- *
+ * @defgroup HTTP HTTP
+ * @file
+ * @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)
+ 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;
- }
- }
+
+ public static function request( $method, $url, $opts = array() ){
+ $opts['method'] = ( strtoupper( $method ) == 'GET' || strtoupper( $method ) == 'POST' ) ? strtoupper( $method ) : null;
+ $req = new HttpRequest( $url, $opts );
+ $status = $req->doRequest();
+ if( $status->isOK() ){
+ return $status->value;
+ } else {
+ wfDebug( 'http error: ' . $status->getWikiText() );
+ return false;
+ }
+ }
+
/**
* Simple wrapper for Http::request( 'GET' )
*/
- public static function get( $url, $opts = array() ) {
- $opt['method'] = 'GET';
- return Http::request($url, $opts);
+ public static function get( $url, $timeout = false, $opts = array() ) {
+ global $wgSyncHTTPTimeout;
+ if( $timeout )
+ $opts['timeout'] = $timeout;
+ return Http::request( 'GET', $url, $opts );
}
+
/**
* Simple wrapper for Http::request( 'POST' )
*/
public static function post( $url, $opts = array() ) {
- $opts['method']='POST';
- return Http::request($url, $opts);
+ return Http::request( 'POST', $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');
+ public static function doDownload( $url, $target_file_path, $dl_mode = self::SYNC_DOWNLOAD, $redirectCount = 0 ){
+ global $wgPhpCli, $wgMaxUploadSize, $wgMaxRedirects;
+ // do a quick check to HEAD to insure the file size is not > $wgMaxUploadSize
+ $headRequest = new HttpRequest( $url, array( 'headers_only' => true ) );
+ $headResponse = $headRequest->doRequest();
+ if( !$headResponse->isOK() ){
+ return $headResponse;
+ }
+ $head = $headResponse->value;
+
+ // check for redirects:
+ if( isset( $head['Location'] ) && strrpos( $head[0], '302' ) !== false ){
+ if( $redirectCount < $wgMaxRedirects ){
+ if( self::isValidURI( $head['Location'] ) ){
+ return self::doDownload( $head['Location'], $target_file_path, $dl_mode, $redirectCount++ );
+ } else {
+ return Status::newFatal( 'upload-proto-error' );
}
- }else{
- return Status::newFatal('upload-too-many-redirects');
+ } else {
+ return Status::newFatal( 'upload-too-many-redirects' );
}
}
- //we did not get a 200 ok response:
- if( strrpos($head[0], '200 OK') === false){
- return Status::newFatal( 'upload-http-error', htmlspecialchars($head[0]) );
+ // 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);
+ $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 );
}
}
- //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");
+ // check if we can find phpCliPath (for doing a background shell request to php to do the download:
+ if( $wgPhpCli && wfShellExecEnabled() && $dl_mode == self::ASYNC_DOWNLOAD ){
+ wfDebug( __METHOD__ . "\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';
+ } else {
+ wfDebug( __METHOD__ . "\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 );
+ $req = new HttpRequest( $url, $opts );
return $req->doRequest();
}
}
+
/**
* a non blocking request (generally an exit point in the application)
* should write to a file location and give updates
*
*/
- private function initBackgroundDownload( $url, $target_file_path, $content_length = null ){
- global $wgMaxUploadSize, $IP, $wgPhpCliPath;
+ private static function initBackgroundDownload( $url, $target_file_path, $content_length = null ){
+ global $wgMaxUploadSize, $IP, $wgPhpCli, $wgServer;
$status = Status::newGood();
- //generate a session id with all the details for the download (pid, target_file_path )
+ // 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;
+ // store the url and target path:
+ $_SESSION['wsDownload'][$upload_session_key]['url'] = $url;
+ $_SESSION['wsDownload'][$upload_session_key]['target_file_path'] = $target_file_path;
+ // since we request from the cmd line we lose the original host name pass in the session:
+ $_SESSION['wsDownload'][$upload_session_key]['orgServer'] = $wgServer;
- if($content_length)
- $_SESSION[ 'wsDownload' ][$upload_session_key]['content_length'] = $content_length;
+ if( $content_length )
+ $_SESSION['wsDownload'][$upload_session_key]['content_length'] = $content_length;
- //set initial loaded bytes:
- $_SESSION[ 'wsDownload' ][$upload_session_key]['loaded'] = 0;
+ // set initial loaded bytes:
+ $_SESSION['wsDownload'][$upload_session_key]['loaded'] = 0;
+ // run the background download request:
+ $cmd = $wgPhpCli . ' ' . $IP . "/maintenance/http_session_download.php --sid {$session_id} --usk {$upload_session_key}";
+ $pid = wfShellBackgroundExec( $cmd );
+ // the pid is not of much use since we won't be visiting this same apache any-time soon.
+ if( !$pid )
+ return Status::newFatal( 'could not run background shell exec' );
- //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)
+ // 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 good status
return $status;
}
- function getUploadSessionKey(){
+
+ static function getUploadSessionKey(){
$key = mt_rand( 0, 0x7fffffff );
$_SESSION['wsUploadData'][$key] = array();
return $key;
}
+
/**
* 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)
+ * @param $session_id String: the session id to grab download details from
+ * @param $upload_session_key String: the key of the given upload session
+ * (a given client could have started a few http uploads at once)
*/
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');
+ global $wgUser, $wgEnableWriteAPI, $wgAsyncHTTPTimeout, $wgServer,
+ $wgSessionsInMemcached, $wgSessionHandler, $wgSessionStarted;
+ wfDebug( __METHOD__ . "\n\n doSessionIdDownload :\n\n" );
+ // set session to the provided key:
+ session_id( $session_id );
+ //fire up mediaWiki session system:
+ wfSetupSession();
+
+ // 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
+ // 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();
+ // grab the session data to setup the request:
+ $sd =& $_SESSION['wsDownload'][$upload_session_key];
+
+ // update the wgServer var ( since cmd line thinks we are localhost when we are really orgServer)
+ if( isset( $sd['orgServer'] ) && $sd['orgServer'] ){
+ $wgServer = $sd['orgServer'];
+ }
+ // close down the session so we can other http queries can get session updates: (if not $wgSessionsInMemcached)
+ if( !$wgSessionsInMemcached )
+ session_write_close();
$req = new HttpRequest( $sd['url'], array(
- 'target_file_path' => $sd['target_file_path'],
+ 'target_file_path' => $sd['target_file_path'],
'upload_session_key'=> $upload_session_key,
- 'timeout' => $wgAsyncHTTPTimeout
+ 'timeout' => $wgAsyncHTTPTimeout,
+ 'do_close_session_update' => true
) );
- //run the actual request .. (this can take some time)
- wfDebug("do Request: " . $sd['url'] . ' tf: ' . $sd['target_file_path'] );
+ // run the actual request .. (this can take some time)
+ wfDebug( __METHOD__ . 'do Session Download :: ' . $sd['url'] . ' tf: ' . $sd['target_file_path'] . "\n\n");
$status = $req->doRequest();
//wfDebug("done with req status is: ". $status->isOK(). ' '.$status->getWikiText(). "\n");
- //start up the session again:
- if( session_start() === false){
+ // 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:
+ // 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() )
- );
+ $sd['apiUploadResult'] = ApiFormatJson::getJsonEncode(
+ array( 'error' => $status->getWikiText() )
+ );
}
- //if status oky process upload using fauxReq to api:
+ // if status okay process upload using fauxReq to api:
if( $status->isOK() ){
- //setup the faxRequest
+ // setup the FauxRequest
$fauxReqData = $sd['mParams'];
+
+ // Fix boolean parameters
+ foreach( $fauxReqData as $k => $v ) {
+ if( $v === false )
+ unset( $fauxReqData[$k] );
+ }
+
$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);
+ // 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);
+ $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:
+ // the status updates runner will grab the result form the session:
$sd['apiUploadResult'] = $apiUploadResult;
}
- //close the session:
+ // close the session:
session_write_close();
}
global $wgVersion;
return "MediaWiki/$wgVersion";
}
+
+ /**
+ * Checks that the given URI is a valid one
+ * @param $uri Mixed: URI to check for validity
+ */
+ public static function isValidURI( $uri ){
+ return preg_match(
+ '/(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/',
+ $uri,
+ $matches
+ );
+ }
}
-class HttpRequest{
+
+class HttpRequest {
var $target_file_path;
var $upload_session_key;
- function __construct($url, $opt){
+ var $supportedCurlOpts = array(
+ 'CURLOPT_SSL_VERIFYHOST',
+ 'CURLOPT_CAINFO',
+ 'CURLOPT_COOKIE',
+ 'CURLOPT_FOLLOWLOCATION',
+ 'CURLOPT_FAILONERROR'
+ );
+ function __construct( $url, $opt ){
global $wgSyncHTTPTimeout;
+ // double check that it's a valid url:
$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;
+
+ // set the timeout to default sync timeout (unless the timeout option is provided)
+ $this->timeout = ( isset( $opt['timeout'] ) ) ? $opt['timeout'] : $wgSyncHTTPTimeout;
+ //check special key default
+ if($this->timeout == 'default'){
+ $opts['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->headers_only = ( isset( $opt['headers_only'] ) ) ? $opt['headers_only'] : false;
+ $this->do_close_session_update = isset( $opt['do_close_session_update'] );
+ $this->postData = isset( $opt['postdata'] ) ? $opt['postdata'] : '';
+
+ $this->curlOpt = array();
+ //check for some curl options:
+ foreach($this->supportedCurlOpts as $curlOpt){
+ if(isset($opt[ $curlOpt ])){
+ $this->curlOpt[$curlOpt] = $opt[ $curlOpt ];
+ }
+ }
}
-/**
+
+ /**
* 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'
+ * 'method' => 'GET', 'POST' etc.
+ * 'target_file_path' => if curl should output to a target file
+ * 'adapter' => 'curl', 'soket'
*/
- public function doRequest() {
+ public function doRequest() {
+ # Make sure we have a valid url
+ if( !Http::isValidURI( $this->url ) )
+ return Status::newFatal('bad-url');
+
# Use curl if available
if ( function_exists( 'curl_init' ) ) {
return $this->doCurlReq();
- }else{
+ } else {
return $this->doPhpReq();
}
- }
- private function doCurlReq(){
- global $wgHTTPProxy, $wgTitle;
+ }
+
+ private function doCurlReq(){
+ global $wgHTTPProxy, $wgTitle;
- $status = Status::newGood();
+ $status = Status::newGood();
$c = curl_init( $this->url );
- //proxy setup:
+ // proxy setup:
if ( Http::isLocalURL( $this->url ) ) {
curl_setopt( $c, CURLOPT_PROXY, 'localhost:80' );
- } else if ($wgHTTPProxy) {
- curl_setopt($c, CURLOPT_PROXY, $wgHTTPProxy);
+ } else if ( $wgHTTPProxy ) {
+ curl_setopt( $c, CURLOPT_PROXY, $wgHTTPProxy );
}
curl_setopt( $c, CURLOPT_TIMEOUT, $this->timeout );
-
-
curl_setopt( $c, CURLOPT_USERAGENT, Http::userAgent() );
- if ( $this->method == 'POST' ) {
+ //set any curl specific opts:
+ foreach($this->curlOpt as $optKey => $optVal){
+ curl_setopt($c, constant( $optKey ), $optVal);
+ }
+
+ if ( $this->headers_only ) {
+ curl_setopt( $c, CURLOPT_NOBODY, true );
+ curl_setopt( $c, CURLOPT_HEADER, true );
+ } elseif ( $this->method == 'POST' ) {
curl_setopt( $c, CURLOPT_POST, true );
- curl_setopt( $c, CURLOPT_POSTFIELDS, '' );
- }else{
+ curl_setopt( $c, 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
+ curl_setopt( $c, CURLOPT_HTTPHEADER, array( 'Expect:' ) );
+ } else {
curl_setopt( $c, CURLOPT_CUSTOMREQUEST, $this->method );
}
curl_setopt( $c, CURLOPT_REFERER, $wgTitle->getFullURL() );
}
- //set the write back function (if we are writing to a file)
+ // 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");
+ $cwrite = new simpleFileWriter( $this->target_file_path,
+ $this->upload_session_key,
+ $this->do_close_session_update
+ );
+ if( !$cwrite->status->isOK() ){
+ wfDebug( __METHOD__ . "ERROR in setting up simpleFileWriter\n" );
$status = $cwrite->status;
+ return $status;
}
- curl_setopt( $c, CURLOPT_WRITEFUNCTION, array($cwrite, 'callbackWriteBody') );
+ curl_setopt( $c, CURLOPT_WRITEFUNCTION, array( $cwrite, 'callbackWriteBody' ) );
}
- //start output grabber:
- if(!$this->target_file_path)
+ // start output grabber:
+ if( !$this->target_file_path )
ob_start();
//run the actual curl_exec:
try {
- if (false === curl_exec($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 ( false === curl_exec( $c ) ) {
+ $error_txt ='Error sending request: #' . curl_errno( $c ) .' '. curl_error( $c );
+ wfDebug( __METHOD__ . $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();
+ $status->value = ob_get_contents();
ob_end_clean();
}
- //if we wrote to a target file close up or return error
+ // if we wrote to a target file close up or return error
if( $this->target_file_path ){
$cwrite->close();
- if( ! $cwrite->status->isOK() ){
+ if( !$cwrite->status->isOK() ){
return $cwrite->status;
}
}
- # 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" );
- }
- # 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" );
+ if ( $this->headers_only ) {
+ $headers = explode( "\n", $status->value );
+ $headerArray = array();
+ foreach ( $headers as $header ) {
+ if ( !strlen( trim( $header ) ) )
+ continue;
+ $headerParts = explode( ':', $header, 2 );
+ if ( count( $headerParts ) == 1 ) {
+ $headerArray[] = trim( $header );
+ } else {
+ list( $key, $val ) = $headerParts;
+ $headerArray[trim( $key )] = trim( $val );
+ }
+ }
+ $status->value = $headerArray;
+ } else {
+ # 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" );
+ }
+ # 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" );
+ }
}
+
curl_close( $c );
- //return the result obj
+ // return the result obj
return $status;
}
+
public function doPhpReq(){
- #$use file_get_contents...
- # This doesn't have local fetch capabilities...
+ global $wgTitle, $wgHTTPProxy;
+ # Check for php.ini allow_url_fopen
+ if( !ini_get( 'allow_url_fopen' ) ){
+ return Status::newFatal( 'allow_url_fopen needs to be enabled for http copy to work' );
+ }
- $headers = array( "User-Agent: " . self :: userAgent() );
- if( strcasecmp( $method, 'post' ) == 0 ) {
+ // start with good status:
+ $status = Status::newGood();
+
+ if ( $this->headers_only ) {
+ $status->value = get_headers( $this->url, 1 );
+ return $status;
+ }
+
+ // setup the headers
+ $headers = array( "User-Agent: " . Http::userAgent() );
+ if ( is_object( $wgTitle ) ) {
+ $headers[] = "Referer: ". $wgTitle->getFullURL();
+ }
+
+ if( strcasecmp( $this->method, 'post' ) == 0 ) {
// Required for HTTP 1.0 POSTs
$headers[] = "Content-Length: 0";
}
- $opts = array(
+ $fcontext = stream_context_create ( array(
'http' => array(
- 'method' => $method,
+ 'method' => $this->method,
'header' => implode( "\r\n", $headers ),
- 'timeout' => $timeout ) );
- $ctx = stream_context_create( $opts );
+ 'timeout' => $this->timeout )
+ )
+ );
+ $fh = fopen( $this->url, "r", false, $fcontext);
- $status->value = file_get_contents( $url, false, $ctx );
- if(!$status->value){
- $status->error('file_get_contents-failed');
+ // 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, $this->do_close_session_update );
+ if( !$cwrite->status->isOK() ){
+ wfDebug( __METHOD__ . "ERROR in setting up simpleFileWriter\n" );
+ $status = $cwrite->status;
+ return $status;
+ }
+
+ // read $fh into the simpleFileWriter (grab in 64K chunks since its likely a ~large~ media file)
+ while ( !feof( $fh ) ) {
+ $contents = fread( $fh, 65536 );
+ $cwrite->callbackWriteBody( $fh, $contents );
+ }
+ $cwrite->close();
+ // check for simpleFileWriter error:
+ if( !$cwrite->status->isOK() ){
+ return $cwrite->status;
+ }
+ } else {
+ // read $fh into status->value
+ $status->value = @stream_get_contents( $fh );
+ }
+ //close the url file wrapper
+ fclose( $fh );
+
+ // check for "false"
+ if( $status->value === false ){
+ $status->error( 'file_get_contents-failed' );
}
return $status;
}
+
}
+
/**
* a simpleFileWriter with session id updates
- *
*/
-class simpleFileWriter{
+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
+ var $session_update_interval = 0; // how often to update the session while downloading
- function simpleFileWriter($target_file_path, $upload_session_key){
+ function simpleFileWriter( $target_file_path, $upload_session_key, $do_close_session_update = false ){
$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');
+ $this->do_close_session_update = $do_close_session_update;
+ // 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');
+ $this->status = Status::newFatal( 'HTTP::could-not-open-file-for-writing' );
}
- //true start time
+ // 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');
+ public function callbackWriteBody( $ch, $data_packet ){
+ global $wgMaxUploadSize, $wgLang;
+
+ // 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;
}
- //check file size:
+ // check file size:
clearstatcache();
- $this->current_fsize = filesize( $this->target_file_path);
+ $this->current_fsize = filesize( $this->target_file_path );
- 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) . ' ');
+ 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 ' .
+ $wgLang->formatSize( $wgMaxUploadSize ) . ' ' );
return 0;
}
-
- //if more than session_update_interval second have passed update_session_progress
- if($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 more than session_update_interval second have passed update_session_progress
+ if( $this->do_close_session_update && $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;
+ }
}
return strlen( $data_packet );
}
+
public function update_session_progress(){
+ global $wgSessionsInMemcached;
$status = Status::newGood();
- //start the session
- if( session_start() === false){
- wfDebug( __METHOD__ . ' could not start session');
- exit(0);
- }
- $sd =& $_SESSION[ 'wsDownload' ][ $this->upload_session_key ];
- //check if the user canceled the request:
- if( $sd['user_cancel'] == true ){
- //kill the download
- return Status::newFatal('user-canceled-request');
- }
- //update the progress bytes download so far:
+ // start the session (if necessary)
+ if( !$wgSessionsInMemcached ){
+ wfSuppressWarnings();
+ if( session_start() === false ){
+ wfDebug( __METHOD__ . ' could not start session' );
+ exit( 0 );
+ }
+ wfRestoreWarnings();
+ }
+ $sd =& $_SESSION['wsDownload'][ $this->upload_session_key ];
+ // check if the user canceled the request:
+ if( isset( $sd['user_cancel'] ) && $sd['user_cancel'] == true ){
+ //@@todo kill the download
+ return Status::newFatal( 'user-canceled-request' );
+ }
+ // update the progress bytes download so far:
$sd['loaded'] = $this->current_fsize;
- wfDebug('set session loaded amount to: ' . $sd['loaded'] . "\n");
- //close down the session so we can other http queries can get session updates:
- session_write_close();
+
+ // close down the session so we can other http queries can get session updates:
+ if( !$wgSessionsInMemcached )
+ 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');
+ // do a final session update:
+ if( $this->do_close_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' );
}
}
-}
\ No newline at end of file
+
+}
dépôts / lhc / web / wiklou.git / blobdiff