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+<?php
+/*
+ * Created on Aug 21, 2008
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 2008 - 2010 Bryan Tong Minh <Bryan.TongMinh@Gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+ // Eclipse helper - will be ignored in production
+ require_once( "ApiBase.php" );
+}
+
+/**
+ * @ingroup API
+ */
+class ApiUpload extends ApiBase {
+ protected $mUpload = null;
+ protected $mParams;
+
+ public function __construct( $main, $action ) {
+ parent::__construct( $main, $action );
+ }
+
+ public function execute() {
+ global $wgUser, $wgAllowCopyUploads;
+
+ // Check whether upload is enabled
+ if ( !UploadBase::isEnabled() )
+ $this->dieUsageMsg( array( 'uploaddisabled' ) );
+
+ $this->mParams = $this->extractRequestParams();
+ $request = $this->getMain()->getRequest();
+
+ // Add the uploaded file to the params array
+ $this->mParams['file'] = $request->getFileName( 'file' );
+
+ // One and only one of the following parameters is needed
+ $this->requireOnlyOneParameter( $this->mParams,
+ 'sessionkey', 'file', 'url' );
+
+ if ( $this->mParams['sessionkey'] ) {
+ /**
+ * Upload stashed in a previous request
+ */
+ // Check the session key
+ if ( !isset( $_SESSION['wsUploadData'][$this->mParams['sessionkey']] ) )
+ $this->dieUsageMsg( array( 'invalid-session-key' ) );
+
+ $this->mUpload = new UploadFromStash();
+ $this->mUpload->initialize( $this->mParams['filename'],
+ $this->mParams['sessionkey'],
+ $_SESSION['wsUploadData'][$this->mParams['sessionkey']] );
+ } elseif ( isset( $this->mParams['filename'] ) ) {
+ /**
+ * Upload from url, etc
+ * Parameter filename is required
+ */
+
+ if ( isset( $this->mParams['file'] ) ) {
+ $this->mUpload = new UploadFromFile();
+ $this->mUpload->initialize(
+ $this->mParams['filename'],
+ $request->getFileTempName( 'file' ),
+ $request->getFileSize( 'file' )
+ );
+ } elseif ( isset( $this->mParams['url'] ) ) {
+ // make sure upload by url is enabled:
+ if ( !$wgAllowCopyUploads )
+ $this->dieUsageMsg( array( 'uploaddisabled' ) );
+
+ // make sure the current user can upload
+ if ( ! $wgUser->isAllowed( 'upload_by_url' ) )
+ $this->dieUsageMsg( array( 'badaccess-groups' ) );
+
+ $this->mUpload = new UploadFromUrl();
+ $this->mUpload->initialize( $this->mParams['filename'],
+ $this->mParams['url'] );
+
+ $status = $this->mUpload->fetchFile();
+ if ( !$status->isOK() ) {
+ $this->dieUsage( $status->getWikiText(), 'fetchfileerror' );
+ }
+ }
+ } else $this->dieUsageMsg( array( 'missingparam', 'filename' ) );
+
+ if ( !isset( $this->mUpload ) )
+ $this->dieUsage( 'No upload module set', 'nomodule' );
+
+ // Check whether the user has the appropriate permissions to upload anyway
+ $permission = $this->mUpload->isAllowed( $wgUser );
+
+ if ( $permission !== true ) {
+ if ( !$wgUser->isLoggedIn() )
+ $this->dieUsageMsg( array( 'mustbeloggedin', 'upload' ) );
+ else
+ $this->dieUsageMsg( array( 'badaccess-groups' ) );
+ }
+ // Perform the upload
+ $result = $this->performUpload();
+
+ // Cleanup any temporary mess
+ $this->mUpload->cleanupTempFile();
+
+ $this->getResult()->addValue( null, $this->getModuleName(), $result );
+ }
+
+ protected function performUpload() {
+ global $wgUser;
+ $result = array();
+ $permErrors = $this->mUpload->verifyPermissions( $wgUser );
+ if ( $permErrors !== true ) {
+ $this->dieUsageMsg( array( 'badaccess-groups' ) );
+ }
+
+ // TODO: Move them to ApiBase's message map
+ $verification = $this->mUpload->verifyUpload();
+ if ( $verification['status'] !== UploadBase::OK ) {
+ $result['result'] = 'Failure';
+ switch( $verification['status'] ) {
+ case UploadBase::EMPTY_FILE:
+ $this->dieUsage( 'The file you submitted was empty', 'empty-file' );
+ break;
+ case UploadBase::FILETYPE_MISSING:
+ $this->dieUsage( 'The file is missing an extension', 'filetype-missing' );
+ break;
+ case UploadBase::FILETYPE_BADTYPE:
+ global $wgFileExtensions;
+ $this->dieUsage( 'This type of file is banned', 'filetype-banned',
+ 0, array(
+ 'filetype' => $verification['finalExt'],
+ 'allowed' => $wgFileExtensions
+ ) );
+ break;
+ case UploadBase::MIN_LENGTH_PARTNAME:
+ $this->dieUsage( 'The filename is too short', 'filename-tooshort' );
+ break;
+ case UploadBase::ILLEGAL_FILENAME:
+ $this->dieUsage( 'The filename is not allowed', 'illegal-filename',
+ 0, array( 'filename' => $verification['filtered'] ) );
+ break;
+ case UploadBase::OVERWRITE_EXISTING_FILE:
+ $this->dieUsage( 'Overwriting an existing file is not allowed', 'overwrite' );
+ break;
+ case UploadBase::VERIFICATION_ERROR:
+ $this->getResult()->setIndexedTagName( $verification['details'], 'detail' );
+ $this->dieUsage( 'This file did not pass file verification', 'verification-error',
+ 0, array( 'details' => $verification['details'] ) );
+ break;
+ case UploadBase::HOOK_ABORTED:
+ $this->dieUsage( "The modification you tried to make was aborted by an extension hook",
+ 'hookaborted', 0, array( 'error' => $verification['error'] ) );
+ break;
+ default:
+ $this->dieUsage( 'An unknown error occurred', 'unknown-error',
+ 0, array( 'code' => $verification['status'] ) );
+ break;
+ }
+ return $result;
+ }
+ if ( !$this->mParams['ignorewarnings'] ) {
+ $warnings = $this->mUpload->checkWarnings();
+ if ( $warnings ) {
+ // Add indices
+ $this->getResult()->setIndexedTagName( $warnings, 'warning' );
+
+ if ( isset( $warnings['duplicate'] ) ) {
+ $dupes = array();
+ foreach ( $warnings['duplicate'] as $key => $dupe )
+ $dupes[] = $dupe->getName();
+ $this->getResult()->setIndexedTagName( $dupes, 'duplicate' );
+ $warnings['duplicate'] = $dupes;
+ }
+
+
+ if ( isset( $warnings['exists'] ) ) {
+ $warning = $warnings['exists'];
+ unset( $warnings['exists'] );
+ $warnings[$warning['warning']] = $warning['file']->getName();
+ }
+
+ $result['result'] = 'Warning';
+ $result['warnings'] = $warnings;
+
+ $sessionKey = $this->mUpload->stashSession();
+ if ( !$sessionKey )
+ $this->dieUsage( 'Stashing temporary file failed', 'stashfailed' );
+
+ $result['sessionkey'] = $sessionKey;
+
+ return $result;
+ }
+ }
+
+ // Use comment as initial page text by default
+ if ( is_null( $this->mParams['text'] ) )
+ $this->mParams['text'] = $this->mParams['comment'];
+
+ // No errors, no warnings: do the upload
+ $status = $this->mUpload->performUpload( $this->mParams['comment'],
+ $this->mParams['text'], $this->mParams['watch'], $wgUser );
+
+ if ( !$status->isGood() ) {
+ $error = $status->getErrorsArray();
+ $this->getResult()->setIndexedTagName( $result['details'], 'error' );
+
+ $this->dieUsage( 'An internal error occurred', 'internal-error', 0, $error );
+ }
+
+ $file = $this->mUpload->getLocalFile();
+ $result['result'] = 'Success';
+ $result['filename'] = $file->getName();
+ $result['imageinfo'] = $this->mUpload->getImageInfo( $this->getResult() );
+
+ return $result;
+ }
+
+ public function mustBePosted() {
+ return true;
+ }
+
+ public function isWriteMode() {
+ return true;
+ }
+
+ public function getAllowedParams() {
+ $params = array(
+ 'filename' => null,
+ 'comment' => array(
+ ApiBase::PARAM_DFLT => ''
+ ),
+ 'text' => null,
+ 'token' => null,
+ 'watch' => false,
+ 'ignorewarnings' => false,
+ 'file' => null,
+ 'url' => null,
+ 'sessionkey' => null,
+ );
+ return $params;
+
+ }
+
+ public function getParamDescription() {
+ return array(
+ 'filename' => 'Target filename',
+ 'token' => 'Edit token. You can get one of these through prop=info',
+ 'comment' => 'Upload comment. Also used as the initial page text for new files if "text" is not specified',
+ 'text' => 'Initial page text for new files',
+ 'watch' => 'Watch the page',
+ 'ignorewarnings' => 'Ignore any warnings',
+ 'file' => 'File contents',
+ 'url' => 'Url to fetch the file from',
+ 'sessionkey' => array(
+ 'Session key returned by a previous upload that failed due to warnings',
+ ),
+ );
+ }
+
+ public function getDescription() {
+ return array(
+ 'Upload a file, or get the status of pending uploads. Several methods are available:',
+ ' * Upload file contents directly, using the "file" parameter',
+ ' * Have the MediaWiki server fetch a file from a URL, using the "url" parameter',
+ ' * Complete an earlier upload that failed due to warnings, using the "sessionkey" parameter',
+ 'Note that the HTTP POST must be done as a file upload (i.e. using multipart/form-data) when',
+ 'sending the "file". Note also that queries using session keys must be',
+ 'done in the same login session as the query that originally returned the key (i.e. do not',
+ 'log out and then log back in). Also you must get and send an edit token before doing any upload stuff.'
+ );
+ }
+
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'uploaddisabled' ),
+ array( 'invalid-session-key' ),
+ array( 'uploaddisabled' ),
+ array( 'badaccess-groups' ),
+ array( 'missingparam', 'filename' ),
+ array( 'mustbeloggedin', 'upload' ),
+ array( 'badaccess-groups' ),
+ array( 'badaccess-groups' ),
+ array( 'code' => 'fetchfileerror', 'info' => '' ),
+ array( 'code' => 'nomodule', 'info' => 'No upload module set' ),
+ array( 'code' => 'empty-file', 'info' => 'The file you submitted was empty' ),
+ array( 'code' => 'filetype-missing', 'info' => 'The file is missing an extension' ),
+ array( 'code' => 'filename-tooshort', 'info' => 'The filename is too short' ),
+ array( 'code' => 'overwrite', 'info' => 'Overwriting an existing file is not allowed' ),
+ array( 'code' => 'stashfailed', 'info' => 'Stashing temporary file failed' ),
+ array( 'code' => 'internal-error', 'info' => 'An internal error occurred' ),
+ ) );
+ }
+
+ public function getTokenSalt() {
+ return '';
+ }
+
+ protected function getExamples() {
+ return array(
+ 'Upload from a URL:',
+ ' api.php?action=upload&filename=Wiki.png&url=http%3A//upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png',
+ 'Complete an upload that failed due to warnings:',
+ ' api.php?action=upload&filename=Wiki.png&sessionkey=sessionkey&ignorewarnings=1',
+ );
+ }
+
+ public function getVersion() {
+ return __CLASS__ . ': $Id: ApiUpload.php 51812 2009-06-12 23:45:20Z dale $';
+ }
+}
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