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<?php |
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/** |
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* |
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* Created on January 3rd, 2013 |
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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*/ |
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class ApiImageRotate extends ApiBase { |
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private $mPageSet = null; |
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public function execute() { |
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$this->useTransactionalTimeLimit(); |
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$params = $this->extractRequestParams(); |
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$rotation = $params['rotation']; |
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$continuationManager = new ApiContinuationManager( $this, [], [] ); |
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$this->setContinuationManager( $continuationManager ); |
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$pageSet = $this->getPageSet(); |
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$pageSet->execute(); |
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$result = []; |
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$result = $pageSet->getInvalidTitlesAndRevisions( [ |
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'invalidTitles', 'special', 'missingIds', 'missingRevIds', 'interwikiTitles', |
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] ); |
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foreach ( $pageSet->getTitles() as $title ) { |
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$r = []; |
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$r['id'] = $title->getArticleID(); |
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ApiQueryBase::addTitleInfo( $r, $title ); |
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View Code Duplication |
if ( !$title->exists() ) { |
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$r['missing'] = true; |
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if ( $title->isKnown() ) { |
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$r['known'] = true; |
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} |
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} |
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$file = wfFindFile( $title, [ 'latest' => true ] ); |
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View Code Duplication |
if ( !$file ) { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = 'File does not exist'; |
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$result[] = $r; |
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continue; |
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} |
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$handler = $file->getHandler(); |
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View Code Duplication |
if ( !$handler || !$handler->canRotate() ) { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = 'File type cannot be rotated'; |
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$result[] = $r; |
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continue; |
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} |
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// Check whether we're allowed to rotate this file |
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$permError = $this->checkPermissions( $this->getUser(), $file->getTitle() ); |
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View Code Duplication |
if ( $permError !== null ) { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = $permError; |
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$result[] = $r; |
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continue; |
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} |
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$srcPath = $file->getLocalRefPath(); |
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View Code Duplication |
if ( $srcPath === false ) { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = 'Cannot get local file path'; |
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$result[] = $r; |
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continue; |
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} |
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$ext = strtolower( pathinfo( "$srcPath", PATHINFO_EXTENSION ) ); |
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$tmpFile = TempFSFile::factory( 'rotate_', $ext, wfTempDir() ); |
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$dstPath = $tmpFile->getPath(); |
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$err = $handler->rotate( $file, [ |
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'srcPath' => $srcPath, |
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'dstPath' => $dstPath, |
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'rotation' => $rotation |
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] ); |
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if ( !$err ) { |
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$comment = wfMessage( |
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'rotate-comment' |
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)->numParams( $rotation )->inContentLanguage()->text(); |
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$status = $file->upload( $dstPath, |
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$comment, $comment, 0, false, false, $this->getUser() ); |
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if ( $status->isGood() ) { |
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$r['result'] = 'Success'; |
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} else { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = $this->getErrorFormatter()->arrayFromStatus( $status ); |
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} |
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} else { |
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$r['result'] = 'Failure'; |
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$r['errormessage'] = $err->toText(); |
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} |
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$result[] = $r; |
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} |
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$apiResult = $this->getResult(); |
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ApiResult::setIndexedTagName( $result, 'page' ); |
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$apiResult->addValue( null, $this->getModuleName(), $result ); |
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$this->setContinuationManager( null ); |
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$continuationManager->setContinuationIntoResult( $apiResult ); |
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} |
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/** |
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* Get a cached instance of an ApiPageSet object |
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* @return ApiPageSet |
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*/ |
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private function getPageSet() { |
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if ( $this->mPageSet === null ) { |
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$this->mPageSet = new ApiPageSet( $this, 0, NS_FILE ); |
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} |
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return $this->mPageSet; |
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} |
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/** |
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* Checks that the user has permissions to perform rotations. |
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* @param User $user The user to check |
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* @param Title $title |
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* @return string|null Permission error message, or null if there is no error |
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*/ |
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protected function checkPermissions( $user, $title ) { |
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$permissionErrors = array_merge( |
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$title->getUserPermissionsErrors( 'edit', $user ), |
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$title->getUserPermissionsErrors( 'upload', $user ) |
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); |
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if ( $permissionErrors ) { |
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// Just return the first error |
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$msg = $this->parseMsg( $permissionErrors[0] ); |
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return $msg['info']; |
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} |
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return null; |
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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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View Code Duplication |
public function getAllowedParams( $flags = 0 ) { |
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$result = [ |
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'rotation' => [ |
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ApiBase::PARAM_TYPE => [ '90', '180', '270' ], |
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ApiBase::PARAM_REQUIRED => true |
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], |
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'continue' => [ |
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ApiBase::PARAM_HELP_MSG => 'api-help-param-continue', |
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], |
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]; |
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if ( $flags ) { |
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$result += $this->getPageSet()->getFinalParams( $flags ); |
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} |
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return $result; |
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} |
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public function needsToken() { |
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return 'csrf'; |
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} |
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protected function getExamplesMessages() { |
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return [ |
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'action=imagerotate&titles=File:Example.jpg&rotation=90&token=123ABC' |
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=> 'apihelp-imagerotate-example-simple', |
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'action=imagerotate&generator=categorymembers&gcmtitle=Category:Flip&gcmtype=file&' . |
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'rotation=180&token=123ABC' |
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=> 'apihelp-imagerotate-example-generator', |
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]; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.