home/omtekel/wiki/includes/specials/SpecialRedirect.php000066600000022507151335034760017304 0ustar00mType = null; $this->mValue = null; $this->repoGroup = $repoGroup; $this->userFactory = $userFactory; } /** * Set $mType and $mValue based on parsed value of $subpage. * @param string|null $subpage */ public function setParameter( $subpage ) { // parse $subpage to pull out the parts $parts = $subpage !== null ? explode( '/', $subpage, 2 ) : []; $this->mType = $parts[0] ?? null; $this->mValue = $parts[1] ?? null; } /** * Handle Special:Redirect/user/xxxx (by redirecting to User:YYYY) * * @return Status A good status contains the url to redirect to */ public function dispatchUser() { if ( !ctype_digit( $this->mValue ) ) { return Status::newFatal( 'redirect-not-numeric' ); } $user = $this->userFactory->newFromId( (int)$this->mValue ); $user->load(); // Make sure the id is validated by loading the user if ( $user->isAnon() ) { return Status::newFatal( 'redirect-not-exists' ); } if ( $user->isHidden() && !$this->getAuthority()->isAllowed( 'hideuser' ) ) { throw new PermissionsError( null, [ 'badaccess-group0' ] ); } return Status::newGood( [ $user->getUserPage()->getFullURL( '', false, PROTO_CURRENT ), 302 ] ); } /** * Handle Special:Redirect/file/xxxx * * @return Status A good status contains the url to redirect to */ public function dispatchFile() { try { $title = Title::newFromTextThrow( $this->mValue, NS_FILE ); if ( $title && !$title->inNamespace( NS_FILE ) ) { // If the given value contains a namespace enforce file namespace $title = Title::newFromTextThrow( Title::makeName( NS_FILE, $this->mValue ) ); } } catch ( MalformedTitleException $e ) { return Status::newFatal( $e->getMessageObject() ); } // @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive $file = $this->repoGroup->findFile( $title ); if ( !$file || !$file->exists() ) { return Status::newFatal( 'redirect-not-exists' ); } // Default behavior: Use the direct link to the file. $url = $file->getUrl(); $request = $this->getRequest(); $width = $request->getInt( 'width', -1 ); $height = $request->getInt( 'height', -1 ); // If a width is requested... if ( $width != -1 ) { $mto = $file->transform( [ 'width' => $width, 'height' => $height ] ); // ... and we can if ( $mto && !$mto->isError() ) { // ... change the URL to point to a thumbnail. // Note: This url is more temporary as can change // if file is reuploaded and has different aspect ratio. $url = [ $mto->getUrl(), $height === -1 ? 301 : 302 ]; } } return Status::newGood( $url ); } /** * Handle Special:Redirect/revision/xxx * (by redirecting to index.php?oldid=xxx) * * @return Status A good status contains the url to redirect to */ public function dispatchRevision() { $oldid = $this->mValue; if ( !ctype_digit( $oldid ) ) { return Status::newFatal( 'redirect-not-numeric' ); } $oldid = (int)$oldid; if ( $oldid === 0 ) { return Status::newFatal( 'redirect-not-exists' ); } return Status::newGood( wfAppendQuery( wfScript( 'index' ), [ 'oldid' => $oldid ] ) ); } /** * Handle Special:Redirect/page/xxx (by redirecting to index.php?curid=xxx) * * @return Status A good status contains the url to redirect to */ public function dispatchPage() { $curid = $this->mValue; if ( !ctype_digit( $curid ) ) { return Status::newFatal( 'redirect-not-numeric' ); } $curid = (int)$curid; if ( $curid === 0 ) { return Status::newFatal( 'redirect-not-exists' ); } return Status::newGood( wfAppendQuery( wfScript( 'index' ), [ 'curid' => $curid ] ) ); } /** * Handle Special:Redirect/logid/xxx * (by redirecting to index.php?title=Special:Log&logid=xxx) * * @since 1.27 * @return Status A good status contains the url to redirect to */ public function dispatchLog() { $logid = $this->mValue; if ( !ctype_digit( $logid ) ) { return Status::newFatal( 'redirect-not-numeric' ); } $logid = (int)$logid; if ( $logid === 0 ) { return Status::newFatal( 'redirect-not-exists' ); } $query = [ 'title' => 'Special:Log', 'logid' => $logid ]; return Status::newGood( wfAppendQuery( wfScript( 'index' ), $query ) ); } /** * Use appropriate dispatch* method to obtain a redirection URL, * and either: redirect, set a 404 error code and error message, * or do nothing (if $mValue wasn't set) allowing the form to be * displayed. * * @return Status|bool True if a redirect was successfully handled. */ private function dispatch() { // the various namespaces supported by Special:Redirect switch ( $this->mType ) { case 'user': $status = $this->dispatchUser(); break; case 'file': $status = $this->dispatchFile(); break; case 'revision': $status = $this->dispatchRevision(); break; case 'page': $status = $this->dispatchPage(); break; case 'logid': $status = $this->dispatchLog(); break; default: $status = null; break; } if ( $status && $status->isGood() ) { // These urls can sometimes be linked from prominent places, // so varnish cache. $value = $status->getValue(); if ( is_array( $value ) ) { [ $url, $code ] = $value; } else { $url = $value; $code = 301; } if ( $code === 301 ) { $this->getOutput()->setCdnMaxage( 60 * 60 ); } else { $this->getOutput()->setCdnMaxage( 10 ); } $this->getOutput()->redirect( $url, $code ); return true; } if ( $this->mValue !== null ) { $this->getOutput()->setStatusCode( 404 ); // @phan-suppress-next-line PhanTypeMismatchReturnNullable Null of $status seems unreachable return $status; } return false; } protected function getFormFields() { $ns = [ // subpage => message 'user' => 'redirect-user', 'page' => 'redirect-page', 'revision' => 'redirect-revision', 'file' => 'redirect-file', 'logid' => 'redirect-logid', ]; $a = []; $a['type'] = [ 'type' => 'select', 'label-message' => 'redirect-lookup', 'options' => [], 'default' => current( array_keys( $ns ) ), ]; foreach ( $ns as $n => $m ) { $m = $this->msg( $m )->text(); $a['type']['options'][$m] = $n; } $a['value'] = [ 'type' => 'text', 'label-message' => 'redirect-value' ]; // set the defaults according to the parsed subpage path if ( $this->mType ) { $a['type']['default'] = $this->mType; } if ( $this->mValue ) { $a['value']['default'] = $this->mValue; } return $a; } public function onSubmit( array $data ) { if ( !empty( $data['type'] ) && !empty( $data['value'] ) ) { $this->setParameter( $data['type'] . '/' . $data['value'] ); } /* if this returns false, will show the form */ return $this->dispatch(); } public function onSuccess() { /* do nothing, we redirect in $this->dispatch if successful. */ } protected function alterForm( HTMLForm $form ) { // tweak label on submit button $form->setSubmitTextMsg( 'redirect-submit' ); } protected function getDisplayFormat() { return 'ooui'; } /** * Return an array of subpages that this special page will accept. * * @return string[] subpages */ protected function getSubpagesForPrefixSearch() { return [ 'file', 'page', 'revision', 'user', 'logid', ]; } /** * @return bool */ public function requiresPost() { return false; } protected function getGroupName() { return 'redirects'; } } /** * Retain the old class name for backwards compatibility. * @deprecated since 1.41 */ class_alias( SpecialRedirect::class, 'SpecialRedirect' );