93 lines
2.9 KiB
PHP
93 lines
2.9 KiB
PHP
<?php
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/**
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* GridTV — proxy.php
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* Relaie les streams HTTP Tunarr depuis un contexte HTTPS.
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* Réécrit les URLs relatives dans les playlists .m3u8.
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*/
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$url = $_GET['url'] ?? '';
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if (empty($url) || !preg_match('#^https?://#i', $url)) {
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http_response_code(400); die('Invalid URL');
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}
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$base = preg_replace('#[^/]*(\?.*)?$#', '', $url);
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// Transmettre les headers du navigateur à Tunarr
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$forward_headers = [];
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foreach (['HTTP_ACCEPT', 'HTTP_ACCEPT_LANGUAGE', 'HTTP_ACCEPT_ENCODING', 'HTTP_COOKIE'] as $key) {
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if (!empty($_SERVER[$key])) {
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$name = str_replace('_', '-', substr($key, 5));
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$name = ucwords(strtolower($name), '-');
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$forward_headers[] = "$name: {$_SERVER[$key]}";
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}
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}
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$forward_headers[] = 'User-Agent: ' . ($_SERVER['HTTP_USER_AGENT'] ?? 'Mozilla/5.0');
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$forward_headers[] = 'Origin: http://' . parse_url($url, PHP_URL_HOST);
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$forward_headers[] = 'Referer: ' . $url;
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$opts = ['http' => [
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'method' => 'GET',
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'timeout' => 15,
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'header' => implode("\r\n", $forward_headers),
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'follow_location' => 1,
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'ignore_errors' => true,
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]];
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$ctx = stream_context_create($opts);
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$body = @file_get_contents($url, false, $ctx);
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// Lire le vrai status HTTP
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$status_line = $http_response_header[0] ?? 'HTTP/1.1 502 Bad Gateway';
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preg_match('#HTTP/\S+\s+(\d+)#', $status_line, $sm);
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$status_code = (int)($sm[1] ?? 502);
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if ($body === false || $status_code >= 400) {
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http_response_code($status_code ?: 502);
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die("Upstream error $status_code for: $url");
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}
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// Content-Type de la réponse distante
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$ct = 'application/octet-stream';
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foreach ($http_response_header as $h) {
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if (preg_match('/^Content-Type:\s*(.+)/i', $h, $m)) {
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$ct = trim($m[1]); break;
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}
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}
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$is_m3u8 = stripos($url, '.m3u8') !== false
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|| strpos($body, '#EXTM3U') === 0
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|| strpos($body, '#EXT-X-') !== false;
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header('Access-Control-Allow-Origin: *');
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header('Cache-Control: no-cache');
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if ($is_m3u8) {
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header('Content-Type: application/vnd.apple.mpegurl');
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$proxy_base = (isset($_SERVER['HTTPS']) ? 'https' : 'http')
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. '://' . $_SERVER['HTTP_HOST']
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. strtok($_SERVER['REQUEST_URI'], '?')
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. '?url=';
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$lines = explode("\n", $body);
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$out = [];
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foreach ($lines as $line) {
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$line = rtrim($line);
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if ($line === '' || $line[0] === '#') {
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$line = preg_replace_callback('/URI="([^"]+)"/', function($m) use ($base, $proxy_base) {
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$seg_url = strpos($m[1], 'http') === 0 ? $m[1] : $base . $m[1];
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return 'URI="' . $proxy_base . urlencode($seg_url) . '"';
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}, $line);
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$out[] = $line;
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} else {
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$seg_url = strpos($line, 'http') === 0 ? $line : $base . $line;
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$out[] = $proxy_base . urlencode($seg_url);
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}
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}
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echo implode("\n", $out);
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} else {
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header('Content-Type: ' . $ct);
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echo $body;
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}
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