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<?php
/**
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Page;
use MediaWiki\Context\ContextSource;
use MediaWiki\FileRepo\File\File;
use MediaWiki\HookContainer\ProtectedHookAccessorTrait;
use MediaWiki\Html\Html;
use MediaWiki\Linker\Linker;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\Title;
/**
* Builds the image revision log shown on image pages
*
* @ingroup Media
*/
class ImageHistoryList extends ContextSource {
use ProtectedHookAccessorTrait;
protected Title $title;
protected File $img;
protected ImagePage $imagePage;
protected File $current;
protected bool $showThumb;
/** @var bool */
protected $preventClickjacking = false;
/**
* @param ImagePage $imagePage
*/
public function __construct( $imagePage ) {
$context = $imagePage->getContext();
$this->current = $imagePage->getPage()->getFile();
$this->img = $imagePage->getDisplayedFile();
$this->title = $imagePage->getTitle();
$this->imagePage = $imagePage;
$this->showThumb = $context->getConfig()->get( MainConfigNames::ShowArchiveThumbnails ) &&
$this->img->canRender();
$this->setContext( $context );
}
/**
* @return ImagePage
*/
public function getImagePage() {
return $this->imagePage;
}
/**
* @return File
*/
public function getFile() {
return $this->img;
}
/**
* @return string
*/
public function beginImageHistoryList() {
// Styles for class=history-deleted
$this->getOutput()->addModuleStyles( 'mediawiki.interface.helpers.styles' );
$html = '';
$canDelete = $this->current->isLocal() &&
$this->getAuthority()->isAllowedAny( 'delete', 'deletedhistory' );
foreach ( [
'',
$canDelete ? '' : null,
'filehist-datetime',
$this->showThumb ? 'filehist-thumb' : null,
'filehist-dimensions',
'filehist-user',
'filehist-comment',
] as $key ) {
if ( $key !== null ) {
$html .= Html::element( 'th', [], $key ? $this->msg( $key )->text() : '' );
}
}
return Html::openElement( 'table', [ 'class' => 'wikitable filehistory' ] ) . "\n"
. Html::rawElement( 'tr', [], $html ) . "\n";
}
/**
* @return string
*/
public function endImageHistoryList() {
return Html::closeElement( 'table' ) . "\n";
}
/**
* @internal
* @param bool $iscur
* @param File $file
* @param string $formattedComment
* @return string
*/
public function imageHistoryLine( $iscur, $file, $formattedComment ) {
$user = $this->getUser();
$lang = $this->getLanguage();
$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
$timestamp = wfTimestamp( TS_MW, $file->getTimestamp() );
// @phan-suppress-next-line PhanUndeclaredMethod
$img = $iscur ? $file->getName() : $file->getArchiveName();
$uploader = $file->getUploader( File::FOR_THIS_USER, $user );
$local = $this->current->isLocal();
$row = '';
// Deletion link
if ( $local && ( $this->getAuthority()->isAllowedAny( 'delete', 'deletedhistory' ) ) ) {
$row .= Html::openElement( 'td' );
# Link to hide content. Don't show useless link to people who cannot hide revisions.
if ( !$iscur && $this->getAuthority()->isAllowed( 'deleterevision' ) ) {
// If file is top revision, is missing or locked from this user, don't link
if ( !$file->userCan( File::DELETED_RESTRICTED, $user ) || !$file->exists() ) {
$row .= Html::check( 'deleterevisions', false, [ 'disabled' => 'disabled' ] );
} else {
$row .= Html::check( 'ids[' . explode( '!', $img, 2 )[0] . ']', false );
}
if ( $this->getAuthority()->isAllowed( 'delete' ) ) {
$row .= ' ';
}
}
# Link to remove from history
if ( $this->getAuthority()->isAllowed( 'delete' ) ) {
if ( $file->exists() ) {
$row .= $linkRenderer->makeKnownLink(
$this->title,
$this->msg( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' )->text(),
[],
[ 'action' => 'delete', 'oldimage' => $iscur ? null : $img ]
);
} else {
// T244567: Non-existing file can not be deleted.
$row .= $this->msg( 'filehist-missing' )->escaped();
}
}
$row .= Html::closeElement( 'td' );
}
// Reversion link/current indicator
$row .= Html::openElement( 'td' );
if ( $iscur ) {
$row .= $this->msg( 'filehist-current' )->escaped();
} elseif ( $local && $this->getAuthority()->probablyCan( 'edit', $this->title )
&& $this->getAuthority()->probablyCan( 'upload', $this->title )
) {
if ( $file->isDeleted( File::DELETED_FILE ) ) {
$row .= $this->msg( 'filehist-revert' )->escaped();
} elseif ( !$file->exists() ) {
// T328112: Lost file, in this case there's no version to revert back to.
$row .= $this->msg( 'filehist-missing' )->escaped();
} else {
$row .= $linkRenderer->makeKnownLink(
$this->title,
$this->msg( 'filehist-revert' )->text(),
[],
[
'action' => 'revert',
'oldimage' => $img,
]
);
}
}
$row .= Html::closeElement( 'td' );
// Date/time and image link
$selected = $file->getTimestamp() === $this->img->getTimestamp();
$row .= Html::openElement( 'td', [
'class' => $selected ? 'filehistory-selected' : null,
'style' => 'white-space: nowrap;'
] );
if ( !$file->userCan( File::DELETED_FILE, $user ) ) {
# Don't link to unviewable files
$row .= Html::element( 'span', [ 'class' => 'history-deleted' ],
$lang->userTimeAndDate( $timestamp, $user )
);
} elseif ( $file->isDeleted( File::DELETED_FILE ) ) {
$timeAndDate = $lang->userTimeAndDate( $timestamp, $user );
if ( $local ) {
$this->setPreventClickjacking( true );
# Make a link to review the image
$url = $linkRenderer->makeKnownLink(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$timeAndDate,
[],
[
'target' => $this->title->getPrefixedText(),
'file' => $img,
'token' => $user->getEditToken( $img )
]
);
} else {
$url = htmlspecialchars( $timeAndDate );
}
$row .= Html::rawElement( 'span', [ 'class' => 'history-deleted' ], $url );
} elseif ( !$file->exists() ) {
$row .= Html::element( 'span', [ 'class' => 'mw-file-missing' ],
$lang->userTimeAndDate( $timestamp, $user )
);
} else {
$url = $iscur ? $this->current->getUrl() : $this->current->getArchiveUrl( $img );
$row .= Html::element( 'a', [ 'href' => $url ],
$lang->userTimeAndDate( $timestamp, $user )
);
}
$row .= Html::closeElement( 'td' );
// Thumbnail
if ( $this->showThumb ) {
$row .= Html::rawElement( 'td', [],
$this->getThumbForLine( $file, $iscur ) ?? $this->msg( 'filehist-nothumb' )->escaped()
);
}
// Image dimensions + size
$row .= Html::openElement( 'td' );
$row .= htmlspecialchars( $file->getDimensionsString() );
$row .= $this->msg( 'word-separator' )->escaped();
$row .= Html::element( 'span', [ 'style' => 'white-space: nowrap;' ],
$this->msg( 'parentheses' )->sizeParams( $file->getSize() )->text()
);
$row .= Html::closeElement( 'td' );
// Uploading user
$row .= Html::openElement( 'td' );
// Hide deleted usernames
if ( $uploader ) {
$row .= Linker::userLink( $uploader->getId(), $uploader->getName() );
if ( $local ) {
$row .= Html::rawElement( 'span', [ 'style' => 'white-space: nowrap;' ],
Linker::userToolLinks( $uploader->getId(), $uploader->getName() )
);
}
} else {
$row .= Html::element( 'span', [ 'class' => 'history-deleted' ],
$this->msg( 'rev-deleted-user' )->text()
);
}
$row .= Html::closeElement( 'td' );
// Don't show deleted descriptions
if ( $file->isDeleted( File::DELETED_COMMENT ) ) {
$row .= Html::rawElement( 'td', [],
Html::element( 'span', [ 'class' => 'history-deleted' ],
$this->msg( 'rev-deleted-comment' )->text()
)
);
} else {
$contLang = MediaWikiServices::getInstance()->getContentLanguage();
$row .= Html::rawElement( 'td', [ 'dir' => $contLang->getDir() ], $formattedComment );
}
$rowClass = null;
$this->getHookRunner()->onImagePageFileHistoryLine( $this, $file, $row, $rowClass );
return Html::rawElement( 'tr', [ 'class' => $rowClass ], $row ) . "\n";
}
/**
* @param File $file
* @param bool $iscur
* @return string|null
*/
protected function getThumbForLine( $file, $iscur ) {
$user = $this->getUser();
if ( !$file->allowInlineDisplay() ||
$file->isDeleted( File::DELETED_FILE ) ||
!$file->userCan( File::DELETED_FILE, $user )
) {
return null;
}
$thumbnail = $file->transform(
[
'width' => '120',
'height' => '120',
'isFilePageThumb' => $iscur // old revisions are already versioned
]
);
if ( !$thumbnail ) {
return null;
}
$lang = $this->getLanguage();
$timestamp = wfTimestamp( TS_MW, $file->getTimestamp() );
$alt = $this->msg(
'filehist-thumbtext',
$lang->userTimeAndDate( $timestamp, $user ),
$lang->userDate( $timestamp, $user ),
$lang->userTime( $timestamp, $user )
)->text();
return $thumbnail->toHtml( [ 'alt' => $alt, 'file-link' => true, 'loading' => 'lazy' ] );
}
/**
* @param bool $enable
* @deprecated since 1.38, use ::setPreventClickjacking() instead
*/
protected function preventClickjacking( $enable = true ) {
$this->preventClickjacking = $enable;
}
/**
* @param bool $enable
* @since 1.38
*/
protected function setPreventClickjacking( bool $enable ) {
$this->preventClickjacking = $enable;
}
/**
* @return bool
*/
public function getPreventClickjacking() {
return $this->preventClickjacking;
}
}
/** @deprecated class alias since 1.44 */
class_alias( ImageHistoryList::class, 'ImageHistoryList' );