UploadForm.php

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<?php
use MediaWiki\Linker\LinkRenderer;
use MediaWiki\MediaWikiServices;

class UploadForm extends HTMLForm {
    protected $mWatch;
    protected $mForReUpload;
    protected $mSessionKey;
    protected $mHideIgnoreWarning;
    protected $mDestWarningAck;
    protected $mDestFile;

    protected $mComment;
    protected $mTextTop;
    protected $mTextAfterSummary;

    protected $mSourceIds;

    protected $mMaxFileSize = [];

    protected $mMaxUploadSize = [];

    public function __construct( array $options = [], IContextSource $context = null,
        LinkRenderer $linkRenderer = null
    ) {
        if ( $context instanceof IContextSource ) {
            $this->setContext( $context );
        }

        if ( !$linkRenderer ) {
            $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
        }

        $this->mWatch = !empty( $options['watch'] );
        $this->mForReUpload = !empty( $options['forreupload'] );
        $this->mSessionKey = $options['sessionkey'] ?? '';
        $this->mHideIgnoreWarning = !empty( $options['hideignorewarning'] );
        $this->mDestWarningAck = !empty( $options['destwarningack'] );
        $this->mDestFile = $options['destfile'] ?? '';

        $this->mComment = $options['description'] ?? '';

        $this->mTextTop = $options['texttop'] ?? '';

        $this->mTextAfterSummary = $options['textaftersummary'] ?? '';

        $sourceDescriptor = $this->getSourceSection();
        $descriptor = $sourceDescriptor
            + $this->getDescriptionSection()
            + $this->getOptionsSection();

        Hooks::run( 'UploadFormInitDescriptor', [ &$descriptor ] );
        parent::__construct( $descriptor, $context, 'upload' );

        # Add a link to edit MediaWiki:Licenses
        if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
            $this->getOutput()->addModuleStyles( 'mediawiki.special' );
            $licensesLink = $linkRenderer->makeKnownLink(
                $this->msg( 'licenses' )->inContentLanguage()->getTitle(),
                $this->msg( 'licenses-edit' )->text(),
                [],
                [ 'action' => 'edit' ]
            );
            $editLicenses = '<p class="mw-upload-editlicenses">' . $licensesLink . '</p>';
            $this->addFooterText( $editLicenses, 'description' );
        }

        # Set some form properties
        $this->setSubmitText( $this->msg( 'uploadbtn' )->text() );
        $this->setSubmitName( 'wpUpload' );
        # Used message keys: 'accesskey-upload', 'tooltip-upload'
        $this->setSubmitTooltip( 'upload' );
        $this->setId( 'mw-upload-form' );

        # Build a list of IDs for javascript insertion
        $this->mSourceIds = [];
        foreach ( $sourceDescriptor as $field ) {
            if ( !empty( $field['id'] ) ) {
                $this->mSourceIds[] = $field['id'];
            }
        }
    }

    protected function getSourceSection() {
        if ( $this->mSessionKey ) {
            return [
                'SessionKey' => [
                    'type' => 'hidden',
                    'default' => $this->mSessionKey,
                ],
                'SourceType' => [
                    'type' => 'hidden',
                    'default' => 'Stash',
                ],
            ];
        }

        $canUploadByUrl = UploadFromUrl::isEnabled()
            && ( UploadFromUrl::isAllowed( $this->getUser() ) === true )
            && $this->getConfig()->get( 'CopyUploadsFromSpecialUpload' );
        $radio = $canUploadByUrl;
        $selectedSourceType = strtolower( $this->getRequest()->getText( 'wpSourceType', 'File' ) );

        $descriptor = [];
        if ( $this->mTextTop ) {
            $descriptor['UploadFormTextTop'] = [
                'type' => 'info',
                'section' => 'source',
                'default' => $this->mTextTop,
                'raw' => true,
            ];
        }

        $this->mMaxUploadSize['file'] = min(
            UploadBase::getMaxUploadSize( 'file' ),
            UploadBase::getMaxPhpUploadSize()
        );

        $help = $this->msg( 'upload-maxfilesize',
                $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['file'] )
            )->parse();

        // If the user can also upload by URL, there are 2 different file size limits.
        // This extra message helps stress which limit corresponds to what.
        if ( $canUploadByUrl ) {
            $help .= $this->msg( 'word-separator' )->escaped();
            $help .= $this->msg( 'upload_source_file' )->parse();
        }

        $descriptor['UploadFile'] = [
            'class' => UploadSourceField::class,
            'section' => 'source',
            'type' => 'file',
            'id' => 'wpUploadFile',
            'radio-id' => 'wpSourceTypeFile',
            'label-message' => 'sourcefilename',
            'upload-type' => 'File',
            'radio' => &$radio,
            'help' => $help,
            'checked' => $selectedSourceType == 'file',
        ];

        if ( $canUploadByUrl ) {
            $this->mMaxUploadSize['url'] = UploadBase::getMaxUploadSize( 'url' );
            $descriptor['UploadFileURL'] = [
                'class' => UploadSourceField::class,
                'section' => 'source',
                'id' => 'wpUploadFileURL',
                'radio-id' => 'wpSourceTypeurl',
                'label-message' => 'sourceurl',
                'upload-type' => 'url',
                'radio' => &$radio,
                'help' => $this->msg( 'upload-maxfilesize',
                    $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['url'] )
                )->parse() .
                    $this->msg( 'word-separator' )->escaped() .
                    $this->msg( 'upload_source_url' )->parse(),
                'checked' => $selectedSourceType == 'url',
            ];
        }
        Hooks::run( 'UploadFormSourceDescriptors', [ &$descriptor, &$radio, $selectedSourceType ] );

        $descriptor['Extensions'] = [
            'type' => 'info',
            'section' => 'source',
            'default' => $this->getExtensionsMessage(),
            'raw' => true,
        ];

        return $descriptor;
    }

    protected function getExtensionsMessage() {
        # Print a list of allowed file extensions, if so configured.  We ignore
        # MIME type here, it's incomprehensible to most people and too long.
        $config = $this->getConfig();

        if ( $config->get( 'CheckFileExtensions' ) ) {
            $fileExtensions = array_unique( $config->get( 'FileExtensions' ) );
            if ( $config->get( 'StrictFileExtensions' ) ) {
                # Everything not permitted is banned
                $extensionsList =
                    '<div id="mw-upload-permitted">' .
                    $this->msg( 'upload-permitted' )
                        ->params( $this->getLanguage()->commaList( $fileExtensions ) )
                        ->numParams( count( $fileExtensions ) )
                        ->parseAsBlock() .
                    "</div>\n";
            } else {
                # We have to list both preferred and prohibited
                $fileBlacklist = array_unique( $config->get( 'FileBlacklist' ) );
                $extensionsList =
                    '<div id="mw-upload-preferred">' .
                        $this->msg( 'upload-preferred' )
                            ->params( $this->getLanguage()->commaList( $fileExtensions ) )
                            ->numParams( count( $fileExtensions ) )
                            ->parseAsBlock() .
                    "</div>\n" .
                    '<div id="mw-upload-prohibited">' .
                        $this->msg( 'upload-prohibited' )
                            ->params( $this->getLanguage()->commaList( $fileBlacklist ) )
                            ->numParams( count( $fileBlacklist ) )
                            ->parseAsBlock() .
                    "</div>\n";
            }
        } else {
            # Everything is permitted.
            $extensionsList = '';
        }

        return $extensionsList;
    }

    protected function getDescriptionSection() {
        $config = $this->getConfig();
        if ( $this->mSessionKey ) {
            $stash = RepoGroup::singleton()->getLocalRepo()->getUploadStash( $this->getUser() );
            try {
                $file = $stash->getFile( $this->mSessionKey );
            } catch ( Exception $e ) {
                $file = null;
            }
            if ( $file ) {
                $mto = $file->transform( [ 'width' => 120 ] );
                if ( $mto ) {
                    $this->addHeaderText(
                        '<div class="thumb t' .
                        MediaWikiServices::getInstance()->getContentLanguage()->alignEnd() . '">' .
                        Html::element( 'img', [
                            'src' => $mto->getUrl(),
                            'class' => 'thumbimage',
                        ] ) . '</div>', 'description' );
                }
            }
        }

        $descriptor = [
            'DestFile' => [
                'type' => 'text',
                'section' => 'description',
                'id' => 'wpDestFile',
                'label-message' => 'destfilename',
                'size' => 60,
                'default' => $this->mDestFile,
                # @todo FIXME: Hack to work around poor handling of the 'default' option in HTMLForm
                'nodata' => strval( $this->mDestFile ) !== '',
            ],
            'UploadDescription' => [
                'type' => 'textarea',
                'section' => 'description',
                'id' => 'wpUploadDescription',
                'label-message' => $this->mForReUpload
                    ? 'filereuploadsummary'
                    : 'fileuploadsummary',
                'default' => $this->mComment,
                'cols' => 80,
                'rows' => 8,
            ]
        ];
        if ( $this->mTextAfterSummary ) {
            $descriptor['UploadFormTextAfterSummary'] = [
                'type' => 'info',
                'section' => 'description',
                'default' => $this->mTextAfterSummary,
                'raw' => true,
            ];
        }

        $descriptor += [
            'EditTools' => [
                'type' => 'edittools',
                'section' => 'description',
                'message' => 'edittools-upload',
            ]
        ];

        if ( $this->mForReUpload ) {
            $descriptor['DestFile']['readonly'] = true;
        } else {
            $descriptor['License'] = [
                'type' => 'select',
                'class' => Licenses::class,
                'section' => 'description',
                'id' => 'wpLicense',
                'label-message' => 'license',
            ];
        }

        if ( $config->get( 'UseCopyrightUpload' ) ) {
            $descriptor['UploadCopyStatus'] = [
                'type' => 'text',
                'section' => 'description',
                'id' => 'wpUploadCopyStatus',
                'label-message' => 'filestatus',
            ];
            $descriptor['UploadSource'] = [
                'type' => 'text',
                'section' => 'description',
                'id' => 'wpUploadSource',
                'label-message' => 'filesource',
            ];
        }

        return $descriptor;
    }

    protected function getOptionsSection() {
        $user = $this->getUser();
        if ( $user->isLoggedIn() ) {
            $descriptor = [
                'Watchthis' => [
                    'type' => 'check',
                    'id' => 'wpWatchthis',
                    'label-message' => 'watchthisupload',
                    'section' => 'options',
                    'default' => $this->mWatch,
                ]
            ];
        }
        if ( !$this->mHideIgnoreWarning ) {
            $descriptor['IgnoreWarning'] = [
                'type' => 'check',
                'id' => 'wpIgnoreWarning',
                'label-message' => 'ignorewarnings',
                'section' => 'options',
            ];
        }

        $descriptor['DestFileWarningAck'] = [
            'type' => 'hidden',
            'id' => 'wpDestFileWarningAck',
            'default' => $this->mDestWarningAck ? '1' : '',
        ];

        if ( $this->mForReUpload ) {
            $descriptor['ForReUpload'] = [
                'type' => 'hidden',
                'id' => 'wpForReUpload',
                'default' => '1',
            ];
        }

        return $descriptor;
    }

    public function show() {
        $this->addUploadJS();
        return parent::show();
    }

    protected function addUploadJS() {
        $config = $this->getConfig();

        $this->mMaxUploadSize['*'] = UploadBase::getMaxUploadSize();

        $scriptVars = [
            'wgAjaxUploadDestCheck' => $config->get( 'AjaxUploadDestCheck' ),
            'wgAjaxLicensePreview' => $config->get( 'AjaxLicensePreview' ),
            'wgUploadAutoFill' => !$this->mForReUpload &&
                // If we received mDestFile from the request, don't autofill
                // the wpDestFile textbox
                $this->mDestFile === '',
            'wgUploadSourceIds' => $this->mSourceIds,
            'wgCheckFileExtensions' => $config->get( 'CheckFileExtensions' ),
            'wgStrictFileExtensions' => $config->get( 'StrictFileExtensions' ),
            'wgFileExtensions' => array_values( array_unique( $config->get( 'FileExtensions' ) ) ),
            'wgCapitalizeUploads' => MediaWikiServices::getInstance()->getNamespaceInfo()->
                isCapitalized( NS_FILE ),
            'wgMaxUploadSize' => $this->mMaxUploadSize,
            'wgFileCanRotate' => SpecialUpload::rotationEnabled(),
        ];

        $out = $this->getOutput();
        $out->addJsConfigVars( $scriptVars );

        $out->addModules( [
            'mediawiki.special.upload', // Extras for thumbnail and license preview.
        ] );
    }

    function trySubmit() {
        return false;
    }
}