108 lines
3.3 KiB
PHP
108 lines
3.3 KiB
PHP
<?php
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// 保存视频到本地，并清理超过2天的旧视频（第三天自动清除第一天的视频）
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header('Content-Type: application/json; charset=utf-8');
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function respond($ok, $message = '', $path = '') {
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echo json_encode(['success' => $ok, 'message' => $message, 'path' => $path], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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exit;
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}
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// 递归删除目录及其内容（用于清理旧视频）
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function rrmdir($dir) {
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if (!is_dir($dir)) return;
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$items = @scandir($dir);
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if ($items === false) return;
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foreach ($items as $item) {
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if ($item === '.' || $item === '..') continue;
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$full = $dir . DIRECTORY_SEPARATOR . $item;
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if (is_dir($full)) {
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rrmdir($full);
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} else {
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@unlink($full);
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}
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}
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@rmdir($dir);
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}
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// 读取JSON输入
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$raw = file_get_contents('php://input');
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$data = json_decode($raw, true);
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$url = $data['url'] ?? '';
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$title = $data['title'] ?? '';
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if (!$url || !filter_var($url, FILTER_VALIDATE_URL)) {
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respond(false, 'URL无效');
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}
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// 只允许 http/https
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$scheme = parse_url($url, PHP_URL_SCHEME);
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if (!in_array(strtolower($scheme), ['http','https'])) {
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respond(false, '仅支持http/https视频地址');
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}
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$videosRoot = __DIR__ . '/../videos';
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if (!is_dir($videosRoot)) {
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@mkdir($videosRoot, 0777, true);
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}
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$today = (new DateTime('now'))->format('Y-m-d');
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$targetDir = $videosRoot . '/' . $today;
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if (!is_dir($targetDir)) {
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@mkdir($targetDir, 0777, true);
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}
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// 生成文件名
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$basename = basename(parse_url($url, PHP_URL_PATH) ?: 'video_' . time() . '.mp4');
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if (strpos($basename, '.') === false) { $basename .= '.mp4'; }
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$safeName = preg_replace('/[^\w\.-]+/u', '_', $basename);
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$targetPath = $targetDir . '/' . $safeName;
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// 如果文件已存在则跳过下载
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$skipDownload = file_exists($targetPath);
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$msg = '保存成功';
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if ($skipDownload) {
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$msg = '文件已存在，跳过下载';
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} else {
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// 下载保存
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try {
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$read = @fopen($url, 'rb');
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if (!$read) { respond(false, '无法读取远程视频'); }
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$write = @fopen($targetPath, 'wb');
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if (!$write) { respond(false, '无法写入文件'); }
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stream_copy_to_stream($read, $write);
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fclose($read);
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fclose($write);
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} catch (Throwable $e) {
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respond(false, '保存失败: ' . $e->getMessage());
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}
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}
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// 恢复清理逻辑：仅保留最近两天的视频目录，删除更早的目录
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try {
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$dirs = @scandir($videosRoot);
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if (is_array($dirs)) {
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// 仅筛选形如 YYYY-MM-DD 的目录
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$dateDirs = [];
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foreach ($dirs as $d) {
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if ($d === '.' || $d === '..') continue;
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$path = $videosRoot . DIRECTORY_SEPARATOR . $d;
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if (is_dir($path) && preg_match('/^\d{4}-\d{2}-\d{2}$/', $d)) {
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$dateDirs[] = $d;
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}
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}
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// 按日期升序排序
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sort($dateDirs);
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// 保留最近两天（末尾两项），其它全部删除
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if (count($dateDirs) > 30) {
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$toDelete = array_slice($dateDirs, 0, count($dateDirs) - 2);
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foreach ($toDelete as $del) {
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rrmdir($videosRoot . DIRECTORY_SEPARATOR . $del);
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}
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}
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}
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} catch (Throwable $e) {
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// 清理失败不影响主流程
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}
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respond(true, $msg, str_replace($_SERVER['DOCUMENT_ROOT'], '', $targetPath));
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