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<?php |
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namespace Alpha\Controller; |
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use Alpha\Util\Logging\Logger; |
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use Alpha\Util\File\FileUtils; |
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use Alpha\Util\Http\Response; |
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use Alpha\Util\Helper\Validator; |
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use Alpha\Util\Config\ConfigProvider; |
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use Alpha\Exception\ResourceNotFoundException; |
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use Alpha\Exception\IllegalArguementException; |
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use Alpha\Model\Article; |
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use Alpha\View\View; |
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/** |
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* Controller used to view (download) an attachment file on an Article. |
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* |
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* @since 1.0 |
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* |
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* @author John Collins <[email protected]> |
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* @license http://www.opensource.org/licenses/bsd-license.php The BSD License |
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* @copyright Copyright (c) 2018, John Collins (founder of Alpha Framework). |
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* All rights reserved. |
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* |
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* <pre> |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the |
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* following conditions are met: |
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* |
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* * Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the |
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* following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the |
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* following disclaimer in the documentation and/or other |
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* materials provided with the distribution. |
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* * Neither the name of the Alpha Framework nor the names |
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* of its contributors may be used to endorse or promote |
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* products derived from this software without specific |
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* prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* </pre> |
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*/ |
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class AttachmentController extends Controller implements ControllerInterface |
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{ |
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/** |
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* Trace logger. |
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* |
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* @var \Alpha\Util\Logging\Logger |
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* |
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* @since 1.0 |
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*/ |
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private static $logger = null; |
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/** |
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* The constructor. |
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* |
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* @since 1.0 |
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*/ |
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public function __construct() |
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{ |
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self::$logger = new Logger('AttachmentController'); |
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self::$logger->debug('>>__construct()'); |
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// ensure that the super class constructor is called, indicating the rights group |
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parent::__construct('Public'); |
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self::$logger->debug('<<__construct'); |
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} |
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/** |
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* Handle GET requests. |
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* |
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* @param \Alpha\Util\Http\Request $request |
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* |
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* @since 1.0 |
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* |
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* @throws \Alpha\Exception\ResourceNotFoundException |
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*/ |
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public function doGET($request) |
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{ |
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self::$logger->debug('>>doGET($request=['.var_export($request, true).'])'); |
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$params = $request->getParams(); |
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try { |
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if (isset($params['articleID']) && isset($params['filename'])) { |
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if (!Validator::isInteger($params['articleID'])) { |
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throw new IllegalArguementException('The articleID ['.$params['articleID'].'] provided is invalid'); |
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} |
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$article = new Article(); |
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$article->setID($params['articleID']); |
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$filePath = $article->getAttachmentsLocation().'/'.$params['filename']; |
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if (file_exists($filePath)) { |
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self::$logger->info('Downloading the file ['.$params['filename'].'] from the folder ['.$article->getAttachmentsLocation().']'); |
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$pathParts = pathinfo($filePath); |
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$mimeType = FileUtils::getMIMETypeByExtension($pathParts['extension']); |
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$response = new Response(200, file_get_contents($filePath)); |
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$response->setHeader('Content-Type', $mimeType); |
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$response->setHeader('Content-Disposition', 'attachment; filename="'.$pathParts['basename'].'"'); |
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$response->setHeader('Content-Length', filesize($filePath)); |
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self::$logger->debug('<<doGET'); |
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return $response; |
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} else { |
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self::$logger->error('Could not access article attachment file ['.$filePath.'] as it does not exist!'); |
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throw new IllegalArguementException('File not found'); |
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} |
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} else { |
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self::$logger->error('Could not access article attachment as articleID and/or filename were not provided!'); |
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throw new IllegalArguementException('File not found'); |
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} |
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} catch (IllegalArguementException $e) { |
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self::$logger->error($e->getMessage()); |
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throw new ResourceNotFoundException($e->getMessage()); |
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} |
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} |
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/** |
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* Handle PUT requests. |
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* |
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* @param \Alpha\Util\Http\Request $request |
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* |
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* @since 3.0 |
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* |
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* @throws \Alpha\Exception\ResourceNotFoundException |
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*/ |
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public function doPUT($request) |
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{ |
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self::$logger->debug('>>doPUT($request=['.var_export($request, true).'])'); |
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$params = $request->getParams(); |
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$config = ConfigProvider::getInstance(); |
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try { |
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if (isset($params['articleID'])) { |
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$article = new Article(); |
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$article->load($params['articleID']); |
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if (isset($params['uploadBut'])) { |
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$source = $request->getFile('userfile')['tmp_name']; |
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$dest = $article->getAttachmentsLocation().'/'.$request->getFile('userfile')['name']; |
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// upload the file to the attachments directory |
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FileUtils::copy($source, $dest); |
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if (!file_exists($dest)) { |
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throw new AlphaException('Could not move the uploaded file ['.$request->getFile('userfile')['name'].']'); |
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} |
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// set read/write permissions on the file |
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$success = chmod($dest, 0666); |
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if (!$success) { |
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throw new AlphaException('Unable to set read/write permissions on the uploaded file ['.$dest.'].'); |
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} |
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if ($success) { |
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self::$logger->action('File '.$source.' uploaded to '.$dest); |
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$this->setStatusMessage(View::displayUpdateMessage('File '.$source.' uploaded to '.$dest)); |
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} |
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} elseif (isset($params['deletefile']) && $params['deletefile'] != '') { |
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$success = unlink($article->getAttachmentsLocation().'/'.$params['deletefile']); |
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if (!$success) { |
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throw new AlphaException('Could not delete the file ['.$params['deletefile'].']'); |
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} |
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if ($success) { |
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self::$logger->action('File '.$article->getAttachmentsLocation().'/'.$params['deletefile'].' deleted'); |
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$this->setStatusMessage(View::displayUpdateMessage('File '.$article->getAttachmentsLocation().'/'.$params['deletefile'].' deleted')); |
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} |
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} |
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$response = new Response(301); |
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if ($this->getNextJob() != '') { |
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$response->redirect($this->getNextJob()); |
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} else { |
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if ($this->request->isSecureURI()) { |
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$response->redirect(FrontController::generateSecureURL('act=Alpha\\Controller\\ActiveRecordController&ActiveRecordType=Alpha\Model\Article&ActiveRecordID='.$article->getID().'&view=edit')); |
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} else { |
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$title = str_replace(' ', $config->get('cms.url.title.separator'), $article->get('title')); |
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$response->redirect($config->get('app.url').'/a/'.$title.'/edit'); |
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} |
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} |
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self::$logger->debug('<<doPUT'); |
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return $response; |
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} else { |
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self::$logger->error('Could not process article attachment as articleID was not provided!'); |
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throw new IllegalArguementException('File not found'); |
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} |
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} catch (IllegalArguementException $e) { |
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self::$logger->error($e->getMessage()); |
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throw new ResourceNotFoundException($e->getMessage()); |
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} |
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} |
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} |
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