<?php
+/**
+ * Implements uploading from a HTTP resource.
+ *
+ * @file
+ * @ingroup upload
+ * @author Bryan Tong Minh
+ * @author Michael Dale
+ */
+
class UploadFromUrl extends UploadBase {
- protected $mTempDownloadPath;
-
- //by default do a SYNC_DOWNLOAD
- protected $dl_mode = null;
-
- static function isAllowed( $user ) {
- if( !$user->isAllowed( 'upload_by_url' ) )
+ protected $mAsync, $mUrl;
+ protected $mIgnoreWarnings = true;
+
+ /**
+ * Checks if the user is allowed to use the upload-by-URL feature. If the
+ * user is allowed, pass on permissions checking to the parent.
+ */
+ public static function isAllowed( $user ) {
+ if ( !$user->isAllowed( 'upload_by_url' ) )
return 'upload_by_url';
return parent::isAllowed( $user );
}
- static function isEnabled() {
+
+ /**
+ * Checks if the upload from URL feature is enabled
+ * @return bool
+ */
+ public static function isEnabled() {
global $wgAllowCopyUploads;
return $wgAllowCopyUploads && parent::isEnabled();
- }
- /*entry point for Api upload:: ASYNC_DOWNLOAD (if possible) */
- function initialize( $name, $url, $asyncdownload = false) {
- global $wgTmpDirectory, $wgPhpCliPath;
-
- //check for $asyncdownload request:
- if($asyncdownload !== false){
- if($wgPhpCliPath && wfShellExecEnabled() ){
- $this->dl_mode = Http::ASYNC_DOWNLOAD;
- }else{
- $this->dl_mode = Http::SYNC_DOWNLOAD;
- }
- }
-
- $local_file = tempnam( $wgTmpDirectory, 'WEBUPLOAD' );
- parent::initialize( $name, $local_file, 0, true );
-
- $this->mUrl = trim( $url );
}
- public function isAsync(){
- return $this->dl_mode == Http::ASYNC_DOWNLOAD;
+
+ /**
+ * Entry point for API upload
+ *
+ * @param $name string
+ * @param $url string
+ * @param $async mixed Whether the download should be performed
+ * asynchronous. False for synchronous, async or async-leavemessage for
+ * asynchronous download.
+ */
+ public function initialize( $name, $url, $async = false ) {
+ global $wgAllowAsyncCopyUploads;
+
+ $this->mUrl = $url;
+ $this->mAsync = $wgAllowAsyncCopyUploads ? $async : false;
+
+ $tempPath = $this->mAsync ? null : $this->makeTemporaryFile();
+ # File size and removeTempFile will be filled in later
+ $this->initializePathInfo( $name, $tempPath, 0, false );
}
- /*entry point for SpecialUpload no ASYNC_DOWNLOAD possible: */
- function initializeFromRequest( &$request ) {
- //set dl mode if not set:
- if(!$this->dl_mode)
- $this->dl_mode = Http::SYNC_DOWNLOAD;
-
+ /**
+ * Entry point for SpecialUpload
+ * @param $request Object: WebRequest object
+ */
+ public function initializeFromRequest( &$request ) {
$desiredDestName = $request->getText( 'wpDestFile' );
- if( !$desiredDestName )
- $desiredDestName = $request->getText( 'wpUploadFile' );
- return $this->initialize(
- $desiredDestName,
- $request->getVal('wpUploadFileURL')
+ if ( !$desiredDestName )
+ $desiredDestName = $request->getText( 'wpUploadFileURL' );
+ return $this->initialize(
+ $desiredDestName,
+ $request->getVal( 'wpUploadFileURL' ),
+ false
);
}
+
/**
- * Do the real fetching stuff
+ * @param $request Object: WebRequest object
*/
- function fetchFile( ) {
- //entry point for SpecialUplaod
- if( self::isValidURI($this->mUrl) === false) {
- return Status::newFatal('upload-proto-error');
- }
- //now do the actual download to the target file:
- $status = Http::doDownload ( $this->mUrl, $this->mTempPath, $this->dl_mode );
+ public static function isValidRequest( $request ) {
+ global $wgUser;
+
+ $url = $request->getVal( 'wpUploadFileURL' );
+ return !empty( $url )
+ && Http::isValidURI( $url )
+ && $wgUser->isAllowed( 'upload_by_url' );
+ }
+
+
+ public function fetchFile() {
+ if ( !Http::isValidURI( $this->mUrl ) ) {
+ return Status::newFatal( 'http-invalid-url' );
+ }
- //update the local filesize var:
- $this->mFileSize = filesize( $this->mTempPath );
-
- return $status;
+ if ( !$this->mAsync ) {
+ return $this->reallyFetchFile();
+ }
+ return Status::newGood();
+ }
+ /**
+ * Create a new temporary file in the URL subdirectory of wfTempDir().
+ *
+ * @return string Path to the file
+ */
+ protected function makeTemporaryFile() {
+ return tempnam( wfTempDir(), 'URL' );
+ }
+ /**
+ * Save the result of a HTTP request to the temporary file
+ *
+ * @param $req MWHttpRequest
+ * @return Status
+ */
+ private function saveTempFile( $req ) {
+ if ( $this->mTempPath === false ) {
+ return Status::newFatal( 'tmp-create-error' );
+ }
+ if ( file_put_contents( $this->mTempPath, $req->getContent() ) === false ) {
+ return Status::newFatal( 'tmp-write-error' );
+ }
+
+ $this->mFileSize = filesize( $this->mTempPath );
+
+ return Status::newGood();
+ }
+ /**
+ * Download the file, save it to the temporary file and update the file
+ * size and set $mRemoveTempFile to true.
+ */
+ protected function reallyFetchFile() {
+ $req = MWHttpRequest::factory( $this->mUrl );
+ $status = $req->execute();
+
+ if ( !$status->isOk() ) {
+ return $status;
+ }
+
+ $status = $this->saveTempFile( $req );
+ if ( !$status->isGood() ) {
+ return $status;
+ }
+ $this->mRemoveTempFile = true;
+
+ return $status;
+ }
+
+ /**
+ * Wrapper around the parent function in order to defer verifying the
+ * upload until the file really has been fetched.
+ */
+ public function verifyUpload() {
+ if ( $this->mAsync ) {
+ return array( 'status' => self::OK );
+ }
+ return parent::verifyUpload();
+ }
+
+ /**
+ * Wrapper around the parent function in order to defer checking warnings
+ * until the file really has been fetched.
+ */
+ public function checkWarnings() {
+ if ( $this->mAsync ) {
+ $this->mIgnoreWarnings = false;
+ return array();
+ }
+ return parent::checkWarnings();
}
- static function isValidRequest( $request ){
- if( !$request->getVal('wpUploadFileURL') )
- return false;
- //check that is a valid url:
- return self::isValidURI( $request->getVal('wpUploadFileURL') );
+ /**
+ * Wrapper around the parent function in order to defer checking protection
+ * until we are sure that the file can actually be uploaded
+ */
+ public function verifyPermissions( $user ) {
+ if ( $this->mAsync ) {
+ return true;
+ }
+ return parent::verifyPermissions( $user );
}
- static function isValidURI( $uri ){
- return preg_match('/(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/',
- $uri, $matches);
+
+ /**
+ * Wrapper around the parent function in order to defer uploading to the
+ * job queue for asynchronous uploads
+ */
+ public function performUpload( $comment, $pageText, $watch, $user ) {
+ if ( $this->mAsync ) {
+ $sessionKey = $this->insertJob( $comment, $pageText, $watch, $user );
+
+ $status = new Status;
+ $status->error( 'async', $sessionKey );
+ return $status;
+ }
+
+ return parent::performUpload( $comment, $pageText, $watch, $user );
+ }
+
+
+ protected function insertJob( $comment, $pageText, $watch, $user ) {
+ $sessionKey = $this->getSessionKey();
+ $job = new UploadFromUrlJob( $this->getTitle(), array(
+ 'url' => $this->mUrl,
+ 'comment' => $comment,
+ 'pageText' => $pageText,
+ 'watch' => $watch,
+ 'userName' => $user->getName(),
+ 'leaveMessage' => $this->mAsync == 'async-leavemessage',
+ 'ignoreWarnings' => $this->mIgnoreWarnings,
+ 'sessionId' => session_id(),
+ 'sessionKey' => $sessionKey,
+ ) );
+ $job->initializeSessionData();
+ $job->insert();
+ return $sessionKey;
}
-}
\ No newline at end of file
+
+
+}
dépôts / lhc / web / wiklou.git / blobdiff