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