--- /dev/null
+<?php
+
+/**
+ * File reversion user interface
+ *
+ * @addtogroup Media
+ * @author Rob Church <robchur@gmail.com>
+ */
+class FileRevertForm {
+
+ private $title = null;
+ private $file = null;
+ private $oldimage = '';
+
+ /**
+ * Constructor
+ *
+ * @param File $file File we're reverting
+ */
+ public function __construct( $file ) {
+ $this->title = $file->getTitle();
+ $this->file = $file;
+ }
+
+ /**
+ * Fulfil the request; shows the form or reverts the file,
+ * pending authentication, confirmation, etc.
+ */
+ public function execute() {
+ global $wgOut, $wgRequest, $wgUser, $wgLang, $wgServer;
+ $this->setHeaders();
+
+ if( wfReadOnly() ) {
+ $wgOut->readOnlyPage();
+ return;
+ } elseif( !$wgUser->isLoggedIn() ) {
+ $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
+ return;
+ } elseif( !$this->title->userCan( 'edit' ) ) {
+ // The standard read-only thing doesn't make a whole lot of sense
+ // here; surely it should show the image or something? -- RC
+ $article = new Article( $this->title );
+ $wgOut->readOnlyPage( $article->getContent(), true );
+ //$wgOut->readOnlyPage( new Article( $this->title )->getContent(), true );
+ return;
+ } elseif( $wgUser->isBlocked() ) {
+ $wgOut->blockedPage();
+ return;
+ }
+
+ $this->oldimage = $wgRequest->getText( 'oldimage' );
+ $token = $wgRequest->getText( 'wpEditToken' );
+ if( !$this->isValidOldSpec() ) {
+ $wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars( $this->oldimage ) );
+ return;
+ }
+
+ if( !$this->haveOldVersion() ) {
+ $wgOut->addHtml( wfMsgExt( 'filerevert-badversion', 'parse' ) );
+ $wgOut->returnToMain( false, $this->title );
+ return;
+ }
+
+ // Perform the reversion if appropriate
+ if( $wgRequest->wasPosted() && $wgUser->matchEditToken( $token, $this->oldimage ) ) {
+ $source = $this->file->getArchiveVirtualUrl( $this->oldimage );
+ $comment = $wgRequest->getText( 'wpComment' );
+ // TODO: Preserve file properties from database instead of reloading from file
+ $status = $this->file->upload( $source, $comment, $comment );
+ if( $status->isGood() ) {
+ $wgOut->addHtml( wfMsgExt( 'filerevert-success', 'parse', $this->title->getText(),
+ $wgLang->timeAndDate( $this->getTimestamp() ),
+ $wgServer . $this->file->getArchiveUrl( $this->oldimage ) ) );
+ $wgOut->returnToMain( false, $this->title );
+ } else {
+ $wgOut->addWikiText( $status->getWikiText() );
+ }
+ return;
+ }
+
+ // Show the form
+ $this->showForm();
+ }
+
+ /**
+ * Show the confirmation form
+ */
+ private function showForm() {
+ global $wgOut, $wgUser, $wgRequest, $wgLang, $wgContLang, $wgServer;
+
+ /*
+ $cur = wfFindFile( $this->title );
+ $old = wfFindFile( $this->title, substr( $this->oldimage, 0, 14 ) );
+ */
+ $timestamp = $this->getTimestamp();
+
+ $form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getAction() ) );
+ $form .= Xml::hidden( 'wpEditToken', $wgUser->editToken( $this->oldimage ) );
+ $form .= '<fieldset><legend>' . wfMsgHtml( 'filerevert-legend' ) . '</legend>';
+ $form .= wfMsgExt( 'filerevert-intro', 'parse', $this->title->getText(),
+ $wgLang->timeAndDate( $timestamp ), $wgServer . $this->file->getArchiveUrl( $this->oldimage ) );
+
+ /*
+ * I was going to do a little comparison (current vs. old) here,
+ * but realised it wasn't too straightforward to do a media transform
+ * with an *old* file version using the current mechanism. Leaving
+ * this here in case it becomes possible in the future. -- RC
+ *
+ $form .= '<table class="compare-files">';
+ $form .= '<tr>';
+ $form .= '<th>' . wfMsgHtml( 'filerevert-current' ) . '</th>';
+ $form .= '<th>' . wfMsgHtml( 'filerevert-old', $old->getTimestamp() ) . '</th>';
+ $form .= '</tr><tr>';
+ // FIXME: Hard-coding magic numbers makes baby Jesus cry...
+ $form .= '<td>' . $this->getThumbnail( $cur, 180 ) . '</td>';
+ $form .= '<td>' . $this->getThumbnail( $old, 180 ) . '</td>';
+ $form .= '</tr>';
+ $form .= '</table>';
+ */
+
+ $form .= '<p>' . Xml::inputLabel( wfMsg( 'filerevert-comment' ), 'wpComment', 'wpComment',
+ 40, wfMsgForContent( 'filerevert-defaultcomment',
+ $wgContLang->timeAndDate( $timestamp, false, false ) ) ) . '</p>';
+ $form .= '<p>' . Xml::submitButton( wfMsg( 'filerevert-submit' ) ) . '</p>';
+ $form .= '</fieldset>';
+ $form .= '</form>';
+
+ $wgOut->addHtml( $form );
+ }
+
+ /**
+ * Set headers, titles and other bits
+ */
+ private function setHeaders() {
+ global $wgOut;
+ $wgOut->setPageTitle( wfMsg( 'filerevert', $this->title->getText() ) );
+ $wgOut->setRobotPolicy( 'noindex,nofollow' );
+ }
+
+ /**
+ * Is the provided `oldimage` value valid?
+ *
+ * @return bool
+ */
+ private function isValidOldSpec() {
+ return strlen( $this->oldimage ) >= 16
+ && strpos( $this->oldimage, '/' ) === false
+ && strpos( $this->oldimage, '\\' ) === false;
+ }
+
+ /**
+ * Does the provided `oldimage` value correspond
+ * to an existing, local, old version of this file?
+ *
+ * @return bool
+ */
+ private function haveOldVersion() {
+ $file = wfFindFile( $this->title, $this->oldimage );
+ return $file && $file->exists() && $file->isLocal();
+ }
+
+ /**
+ * Prepare the form action
+ *
+ * @return string
+ */
+ private function getAction() {
+ $q = array();
+ $q[] = 'action=revert';
+ $q[] = 'oldimage=' . urlencode( $this->oldimage );
+ return $this->title->getLocalUrl( implode( '&', $q ) );
+ }
+
+ /**
+ * Extract the timestamp of the old version
+ *
+ * @return string
+ */
+ private function getTimestamp() {
+ return substr( $this->oldimage, 0, 14 );
+ }
+
+}
\ No newline at end of file
return $status;
}
+ /**
+ * Revert the file to an earlier version
+ */
function revert() {
- global $wgOut, $wgRequest, $wgUser;
-
- $oldimage = $wgRequest->getText( 'oldimage' );
- if ( strlen( $oldimage ) < 16 ) {
- $wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
- return;
- }
- if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
- $wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
- return;
- }
-
- if ( wfReadOnly() ) {
- $wgOut->readOnlyPage();
- return;
- }
- if( $wgUser->isAnon() ) {
- $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
- return;
- }
- if ( ! $this->mTitle->userCan( 'edit' ) ) {
- $wgOut->readOnlyPage( $this->getContent(), true );
- return;
- }
- if ( $wgUser->isBlocked() ) {
- $wgOut->blockedPage();
- return;
- }
- if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
- $wgOut->showErrorPage( 'internalerror', 'sessionfailure' );
- return;
- }
-
- $sourcePath = $this->img->getArchiveVirtualUrl( $oldimage );
- $comment = wfMsg( "reverted" );
- // TODO: preserve file properties from DB instead of reloading from file
- $status = $this->img->upload( $sourcePath, $comment, $comment );
-
- if ( !$status->isGood() ) {
- $this->showError( $status->getWikiText() );
- return;
- }
-
- $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
- $wgOut->setRobotpolicy( 'noindex,nofollow' );
- $wgOut->addHTML( wfMsg( 'imagereverted' ) );
-
- $descTitle = $this->img->getTitle();
- $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
+ $reverter = new FileRevertForm( $this->img );
+ $reverter->execute();
}
/**
'imagelist_description' => 'Description',
'imagelist_search_for' => 'Search for image name:',
+# File reversion
+'filerevert' => 'Revert $1',
+'filerevert-legend' => 'Revert file',
+'filerevert-intro' => "<span class=\"plainlinks\">You are reverting '''[[Media:$1|$1]]''' to the [$3 version as of $2].</span>",
+'filerevert-comment' => 'Comment:',
+'filerevert-defaultcomment' => 'Reverted to version as of $1',
+'filerevert-submit' => 'Revert',
+'filerevert-success' => "<span class=\"plainlinks\">'''[[Media:$1|$1]]''' has been reverted to the [$3 version as of $2].</span>",
+'filerevert-badversion' => 'There is no previous local version of this file with the provided timestamp.',
+
# MIME search
'mimesearch' => 'MIME search',
'mimesearch-summary' => 'This page enables the filtering of files for its MIME-type. Input: contenttype/subtype, e.g. <tt>image/jpeg</tt>.',
'deletionlog' => 'deletion log',
'reverted' => 'Reverted to earlier revision',
'deletecomment' => 'Reason for deletion',
-'imagereverted' => 'Revert to earlier version was successful.',
'rollback' => 'Roll back edits',
'rollback_short' => 'Rollback',
'rollbacklink' => 'rollback',
dépôts / lhc / web / wiklou.git / commitdiff