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