filesite
2 months ago
7 changed files with 155 additions and 6 deletions
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@@ -0,0 +1,116 @@
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<?php |
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/** |
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* M3u8 Controller |
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*/ |
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require_once __DIR__ . '/../../../lib/DirScanner.php'; |
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require_once __DIR__ . '/../../../plugins/Parsedown.php'; |
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require_once __DIR__ . '/../../../plugins/Common.php'; |
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Class M3u8Controller extends Controller { |
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//参数 |
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//@id - 文件id |
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//@cid - 数据缓存id |
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//支持nginx secure防盗链:md5={$md5}&expires={$expires} |
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public function actionIndex() { |
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$videoId = $this->get('id', ''); |
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$cacheParentDataId = $this->get('cid', ''); |
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if (empty($videoId) || empty($cacheParentDataId)) { |
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throw new Exception("参数缺失!", 403); |
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} |
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//TODO: 防盗链检查 |
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//渲染m3u8内容 |
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$cacheSeconds = 86400; |
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$cachedParentData = Common::getCacheFromFile($cacheParentDataId, $cacheSeconds); |
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if (empty($cachedParentData)) { |
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$err = '缓存数据已失效,如果重新点击目录依然打不开,请联系管理员。'; |
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throw new Exception($err, 404); |
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} |
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if (empty($cachedParentData[$videoId])) { |
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$erro = "缓存数据中找不到当前视频,请返回上一页重新进入!"; |
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throw new Exception($err, 404); |
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}else if (!empty($cachedParentData)) { |
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$m3u8 = $cachedParentData[$videoId]; |
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$m3u8Content = $this->getM3u8Content($m3u8['realpath'], $cachedParentData); |
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if (!empty($m3u8Content)) { |
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return $this->renderM3u8($m3u8Content); |
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}else { |
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$err = 'm3u8内容为空!'; |
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throw new Exception($err, 500); |
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} |
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} |
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} |
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//生成m3u8内容,支持ts防盗链 |
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/** |
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* M3u8 content sample: |
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#EXTM3U |
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#EXT-X-VERSION:3 |
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#EXT-X-TARGETDURATION:6 |
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#EXT-X-PLAYLIST-TYPE:VOD |
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#EXTINF:5, |
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0.ts |
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#EXTINF:5, |
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1.ts |
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#EXTINF:5, |
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2.ts |
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#EXTINF:5, |
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3.ts |
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#EXTINF:5, |
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4.ts |
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#EXTINF:0.31697, |
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5.ts |
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#EXT-X-ENDLIST |
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**/ |
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protected function getM3u8Content($m3u8_realpath, $cachedParentData = array()) { |
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$m3u8Content = file_get_contents($m3u8_realpath); |
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if (empty($m3u8Content) || strpos($m3u8Content, 'EXTM3U') === false) { |
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return false; |
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} |
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$lines = preg_split("/[\r\n]/", $m3u8Content); |
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$newContent = ''; |
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foreach($lines as $index => $line) { |
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if (strpos($line, '.ts') !== false) { |
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$newContent .= $this->getRelativePathOfTs($line, $m3u8_realpath, $cachedParentData) . "\n"; |
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}else if (!empty($line)) { |
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$newContent .= $line . "\n"; |
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} |
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} |
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return $newContent; |
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} |
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//返回ts相对当前m3u8文件的相对路径 |
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//TODO: 支持防盗链 |
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protected function getRelativePathOfTs($ts_filename, $m3u8_realpath, $cachedParentData = array()) { |
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if (!empty($cachedParentData)) { |
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$matchedTs = null; |
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foreach($cachedParentData as $item) { |
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if ($item['extension'] == 'ts' && strpos($item['path'], $ts_filename) !== false) { |
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$matchedTs = $item; |
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break; |
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} |
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} |
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if (!empty($matchedTs)) { |
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return $matchedTs['path']; |
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}else { |
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$webroot = FSC::$app['config']['content_directory']; |
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$rootDir = __DIR__ . '/../../../www/' . $webroot; |
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$rootDir = realpath($rootDir); |
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$m3u8Dir = dirname($m3u8_realpath); |
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$relativeDir = str_replace("{$rootDir}/", '', $m3u8Dir); |
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return "/{$webroot}{$relativeDir}/{$ts_filename}"; |
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} |
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} |
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return dirname($m3u8_realpath) . "/{$ts_filename}"; |
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} |
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} |
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