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<?php |
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/** |
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* Transcoder plugin for Craft CMS 3.x |
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* |
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* Transcode videos to various formats, and provide thumbnails of the video |
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* |
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* @link https://nystudio107.com |
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* @copyright Copyright (c) 2017 nystudio107 |
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*/ |
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namespace nystudio107\transcoder\controllers; |
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use nystudio107\transcoder\Transcoder; |
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use Craft; |
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use craft\errors\AssetDisallowedExtensionException; |
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use craft\helpers\Json as JsonHelper; |
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use craft\helpers\Path as PathHelper; |
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use craft\web\Controller; |
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use yii\web\BadRequestHttpException; |
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/** |
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* @author nystudio107 |
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* @package Transcode |
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* @since 1.0.0 |
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*/ |
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class DefaultController extends Controller |
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{ |
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// Protected Properties |
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// ========================================================================= |
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/** |
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* @var bool|array Allows anonymous access to this controller's actions. |
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* The actions must be in 'kebab-case' |
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* @access protected |
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*/ |
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protected $allowAnonymous = [ |
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'download-file', |
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'progress', |
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]; |
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// Public Methods |
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// ========================================================================= |
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/** |
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* @inheritDoc |
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*/ |
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public function beforeAction($action) |
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{ |
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if (!Transcoder::$settings->enableDownloadFileEndpoint) { |
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$this->allowAnonymous = false; |
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} |
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return parent::beforeAction($action); |
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} |
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/** |
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* Force the download of a given $url. We do it this way to prevent people |
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* from downloading things that are outside of the server root. |
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* |
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* @param $url |
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* |
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* @throws \yii\base\ExitException |
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*/ |
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public function actionDownloadFile($url) |
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{ |
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$filePath = parse_url($url, PHP_URL_PATH); |
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// Remove any relative paths |
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if (!PathHelper::ensurePathIsContained($filePath)) { |
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throw new BadRequestHttpException('Invalid resource path: ' . $filePath); |
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} |
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// Only work for `allowedFileExtensions` file extensions |
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$extension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION)); |
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$allowedExtensions = Craft::$app->getConfig()->getGeneral()->allowedFileExtensions; |
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if (!in_array($extension, $allowedExtensions, true)) { |
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throw new AssetDisallowedExtensionException("File “{$filePath}” cannot be downloaded because “{$extension}” is not allowed."); |
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} |
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$filePath = $_SERVER['DOCUMENT_ROOT'].$filePath; |
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Craft::$app->getResponse()->sendFile( |
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$filePath, |
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null, |
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['inline' => false] |
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); |
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Craft::$app->end(); |
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} |
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/** |
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* Return a JSON-encoded array providing the progress of the transcoding: |
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* |
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* 'filename' => the name of the file |
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* 'duration' => the duration of the video/audio stream |
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* 'time' => the time of the current encoding |
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* 'progress' => a percentage indicating how much of the encoding is done |
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* |
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* @param $filename |
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* |
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* @return mixed |
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*/ |
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public function actionProgress($filename) |
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{ |
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$result = []; |
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$progressFile = sys_get_temp_dir().DIRECTORY_SEPARATOR.$filename.'.progress'; |
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if (file_exists($progressFile)) { |
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$content = @file_get_contents($progressFile); |
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if ($content) { |
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// get duration of source |
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preg_match('/Duration: (.*?), start:/', $content, $matches); |
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if (\count($matches) > 0) { |
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$rawDuration = $matches[1]; |
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// rawDuration is in 00:00:00.00 format. This converts it to seconds. |
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$ar = array_reverse(explode(':', $rawDuration)); |
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$duration = (float)$ar[0]; |
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if (!empty($ar[1])) { |
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$duration += (int)$ar[1] * 60; |
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} |
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if (!empty($ar[2])) { |
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$duration += (int)$ar[2] * 60 * 60; |
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} |
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} else { |
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$duration = 'unknown'; // with GIF as input, duration is unknown |
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} |
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// Get the time in the file that is already encoded |
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preg_match_all('/time=(.*?) bitrate/', $content, $matches); |
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$rawTime = array_pop($matches); |
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// this is needed if there is more than one match |
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if (\is_array($rawTime)) { |
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$rawTime = array_pop($rawTime); |
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} |
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//rawTime is in 00:00:00.00 format. This converts it to seconds. |
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$ar = array_reverse(explode(':', $rawTime)); |
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$time = (float)$ar[0]; |
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if (!empty($ar[1])) { |
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$time += (int)$ar[1] * 60; |
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} |
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if (!empty($ar[2])) { |
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$time += (int)$ar[2] * 60 * 60; |
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} |
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//calculate the progress |
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if ($duration !== 'unknown') { |
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$progress = round(($time / $duration) * 100); |
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} else { |
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$progress = 'unknown'; |
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} |
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// return results |
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if ($progress !== 'unknown' && $progress < 100) { |
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$result = [ |
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'filename' => $filename, |
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'duration' => $duration, |
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'time' => $time, |
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'progress' => $progress, |
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]; |
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} elseif ($progress === 'unknown') { |
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$result = [ |
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'filename' => $filename, |
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'duration' => 'unknown', |
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'time' => $time, |
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'progress' => 'unknown', |
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'message' => 'encoding GIF, can\'t determine duration', |
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]; |
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} |
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} |
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} |
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return JsonHelper::encode($result); |
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} |
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} |
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nystudio107 /
craft-transcoder
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