1 | <?php |
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2 | /** |
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3 | * Transcoder plugin for Craft CMS |
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4 | * |
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5 | * Transcode videos to various formats, and provide thumbnails of the video |
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6 | * |
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7 | * @link https://nystudio107.com |
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8 | * @copyright Copyright (c) 2017 nystudio107 |
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9 | */ |
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10 | |||
11 | namespace nystudio107\transcoder\controllers; |
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12 | |||
13 | use Craft; |
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14 | use craft\errors\AssetDisallowedExtensionException; |
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15 | use craft\helpers\Json as JsonHelper; |
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16 | use craft\helpers\Path as PathHelper; |
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17 | use craft\web\Controller; |
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18 | use nystudio107\transcoder\Transcoder; |
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19 | use yii\web\BadRequestHttpException; |
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20 | |||
21 | /** |
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22 | * @author nystudio107 |
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Content of the @author tag must be in the form "Display Name <[email protected]>"
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23 | * @package Transcode |
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24 | * @since 1.0.0 |
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25 | */ |
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26 | class DefaultController extends Controller |
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27 | { |
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28 | |||
29 | // Protected Properties |
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30 | // ========================================================================= |
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31 | |||
32 | /** |
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33 | * @var bool|array Allows anonymous access to this controller's actions. |
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34 | * The actions must be in 'kebab-case' |
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35 | * @access protected |
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36 | */ |
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37 | protected $allowAnonymous = [ |
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38 | 'download-file', |
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39 | 'progress', |
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40 | ]; |
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41 | |||
42 | // Public Methods |
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43 | // ========================================================================= |
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44 | |||
45 | /** |
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46 | * @inheritDoc |
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47 | */ |
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48 | public function beforeAction($action) |
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49 | { |
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50 | if (!Transcoder::$settings->enableDownloadFileEndpoint) { |
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51 | $this->allowAnonymous = false; |
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52 | } |
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53 | |||
54 | return parent::beforeAction($action); |
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55 | } |
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56 | |||
57 | /** |
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58 | * Force the download of a given $url. We do it this way to prevent people |
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59 | * from downloading things that are outside of the server root. |
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60 | * |
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61 | * @param $url |
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62 | * |
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63 | * @throws \yii\base\ExitException |
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64 | */ |
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65 | public function actionDownloadFile($url) |
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66 | { |
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67 | $filePath = parse_url($url, PHP_URL_PATH); |
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68 | // Remove any relative paths |
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69 | if (!PathHelper::ensurePathIsContained($filePath)) { |
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70 | throw new BadRequestHttpException('Invalid resource path: ' . $filePath); |
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71 | } |
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72 | // Only work for `allowedFileExtensions` file extensions |
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73 | $extension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION)); |
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74 | $allowedExtensions = Craft::$app->getConfig()->getGeneral()->allowedFileExtensions; |
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75 | if (!in_array($extension, $allowedExtensions, true)) { |
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76 | throw new AssetDisallowedExtensionException("File “{$filePath}” cannot be downloaded because “{$extension}” is not allowed."); |
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77 | } |
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78 | |||
79 | $filePath = $_SERVER['DOCUMENT_ROOT'] . $filePath; |
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80 | Craft::$app->getResponse()->sendFile( |
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81 | $filePath, |
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82 | null, |
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83 | ['inline' => false] |
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84 | ); |
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85 | Craft::$app->end(); |
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86 | } |
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87 | |||
88 | /** |
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89 | * Return a JSON-encoded array providing the progress of the transcoding: |
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90 | * |
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91 | * 'filename' => the name of the file |
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92 | * 'duration' => the duration of the video/audio stream |
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93 | * 'time' => the time of the current encoding |
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94 | * 'progress' => a percentage indicating how much of the encoding is done |
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95 | * |
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96 | * @param $filename |
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97 | * |
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98 | * @return mixed |
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99 | */ |
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100 | public function actionProgress($filename) |
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101 | { |
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102 | $result = []; |
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103 | $progressFile = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $filename . '.progress'; |
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104 | if (file_exists($progressFile)) { |
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105 | $content = @file_get_contents($progressFile); |
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106 | if ($content) { |
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107 | // get duration of source |
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108 | preg_match('/Duration: (.*?), start:/', $content, $matches); |
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109 | if (\count($matches) > 0) { |
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110 | $rawDuration = $matches[1]; |
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111 | |||
112 | // rawDuration is in 00:00:00.00 format. This converts it to seconds. |
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113 | $ar = array_reverse(explode(':', $rawDuration)); |
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114 | $duration = (float)$ar[0]; |
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115 | if (!empty($ar[1])) { |
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116 | $duration += (int)$ar[1] * 60; |
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117 | } |
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118 | if (!empty($ar[2])) { |
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119 | $duration += (int)$ar[2] * 60 * 60; |
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120 | } |
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121 | } else { |
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122 | $duration = 'unknown'; // with GIF as input, duration is unknown |
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123 | } |
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124 | |||
125 | // Get the time in the file that is already encoded |
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126 | preg_match_all('/time=(.*?) bitrate/', $content, $matches); |
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127 | $rawTime = array_pop($matches); |
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128 | |||
129 | // this is needed if there is more than one match |
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130 | if (\is_array($rawTime)) { |
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131 | $rawTime = array_pop($rawTime); |
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132 | } |
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133 | |||
134 | //rawTime is in 00:00:00.00 format. This converts it to seconds. |
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135 | $ar = array_reverse(explode(':', $rawTime)); |
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136 | $time = (float)$ar[0]; |
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137 | if (!empty($ar[1])) { |
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138 | $time += (int)$ar[1] * 60; |
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139 | } |
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140 | if (!empty($ar[2])) { |
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141 | $time += (int)$ar[2] * 60 * 60; |
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142 | } |
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143 | |||
144 | //calculate the progress |
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145 | if ($duration !== 'unknown') { |
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146 | $progress = round(($time / $duration) * 100); |
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147 | } else { |
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148 | $progress = 'unknown'; |
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149 | } |
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150 | |||
151 | // return results |
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152 | if ($progress !== 'unknown' && $progress < 100) { |
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153 | $result = [ |
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154 | 'filename' => $filename, |
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155 | 'duration' => $duration, |
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156 | 'time' => $time, |
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157 | 'progress' => $progress, |
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158 | ]; |
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159 | } elseif ($progress === 'unknown') { |
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160 | $result = [ |
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161 | 'filename' => $filename, |
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162 | 'duration' => 'unknown', |
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163 | 'time' => $time, |
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164 | 'progress' => 'unknown', |
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165 | 'message' => 'encoding GIF, can\'t determine duration', |
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166 | ]; |
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167 | } |
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168 | } |
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169 | } |
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170 | |||
171 | return JsonHelper::encode($result); |
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172 | } |
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173 | } |
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174 |