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发表于 2025-12-29 15:49:24
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显示全部楼层
<?php
error_reporting(0);
header('Content-Type: text/plain; charset=utf-8');
$id = isset($_GET['id']) ? $_GET['id'] : 'btv4k';
// 频道映射表
$channelMap = [
'btv4k' => 91417,
'sh4k' => 96050,
'js4k' => 95925,
'zj4k' => 96039,
'sd4k' => 95975,
'hn4k' => 96038,
'gd4k' => 93733,
'sc4k' => 95965,
'sz4k' => 93735,
];
// 频道名称映射
$channelNameMap = [
'btv4k' => '北京卫视4K',
'sh4k' => '上海卫视4K',
'js4k' => '江苏卫视4K',
'zj4k' => '浙江卫视4K',
'sd4k' => '山东卫视4K',
'hn4k' => '湖南卫视4K',
'gd4k' => '广东卫视4K',
'sc4k' => '四川卫视4K',
'sz4k' => '深圳卫视4K',
];
define('CACHE_DIR', __DIR__ . '/zgstcache');
if (!is_dir(CACHE_DIR)) {
mkdir(CACHE_DIR, 0755, true);
}
/**
* 生成签名
*/
function makeSign($url, $params, $timeMillis, $key)
{
$payload = ['url' => $url, 'params' => $params, 'time' => $timeMillis];
$json = json_encode($payload);
$encrypted = openssl_encrypt($json, 'AES-256-ECB', $key, OPENSSL_RAW_DATA);
return str_replace(["\r\n", "\r", "\n"], '', base64_encode($encrypted));
}
/**
* 获取缓存
*/
function getCache($key, $ttl)
{
$file = CACHE_DIR . '/' . md5($key) . '.cache';
if (!file_exists($file)) return null;
if (filemtime($file) + $ttl < time()) {
unlink($file);
return null;
}
$cacheData = json_decode(file_get_contents($file), true);
return $cacheData ? $cacheData['data'] : null;
}
/**
* 设置缓存
*/
function setCache($key, $data, $ttl)
{
$file = CACHE_DIR . '/' . md5($key) . '.cache';
$cacheData = ['data' => $data, 'expire' => time() + $ttl / 1000];
file_put_contents($file, json_encode($cacheData));
}
$key = '01234567890123450123456789012345';
$url1 = 'https://api.chinaaudiovisual.cn/web/user/getVisitor';
$url2 = 'https://api.chinaaudiovisual.cn/column/getColumnAllList';
// 获取token
$token = getCache('visitor_token', 86400);
if (!$token) {
$time1 = round(microtime(true) * 1000);
$sign1 = makeSign($url1, '', $time1, $key);
$headers = [
'Content-Type: application/json',
'headers: 1.1.3',
'sign: ' . $sign1
];
$ch = curl_init($url1);
curl_setopt_array($ch, [
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => true,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false
]);
$resp = curl_exec($ch);
curl_close($ch);
$data = json_decode($resp, true);
if (empty($data['success']) || empty($data['data']['token'])) {
header('HTTP/1.1 404 Not Found');
echo '获取Token失败';
exit;
}
$token = $data['data']['token'];
setCache('visitor_token', $token, 86400000);
}
// 获取频道列表
$dataArr = getCache('column_all_list_33', 600);
if (empty($dataArr)) {
$columnId = 350;
$cityId = 0;
$provinceId = 0;
$version = "1.1.4";
$params = "cityId={$cityId}&columnId={$columnId}&provinceId={$provinceId}&token=" . rawurlencode($token) . "&version={$version}";
$time2 = round(microtime(true) * 1000);
$sign2 = makeSign($url2, $params, $time2, $key);
$headers = [
'Content-Type: application/x-www-form-urlencoded',
'User-Agent: okhttp/3.11.0',
'sign: ' . $sign2
];
$ch = curl_init($url2);
curl_setopt_array($ch, [
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $params,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false
]);
$resp = curl_exec($ch);
curl_close($ch);
$dataArr = json_decode($resp, true);
if (empty($dataArr['success'])) {
header('HTTP/1.1 404 Not Found');
echo '获取频道列表失败';
exit;
}
setCache('column_all_list_33', $dataArr, 600000);
}
if ($id == "list") {
$baseUrl = sprintf('%s://%s%s',
isset($_SERVER['HTTPS']) ? 'https' : 'http',
$_SERVER['HTTP_HOST'],
$_SERVER['SCRIPT_NAME']
);
echo "4K频道列表,#genre#\n";
foreach ($channelMap as $cid => $cidNum) {
echo "{$channelNameMap[$cid]},{$baseUrl}?id={$cid}\n";
}
exit;
}
// 查找播放地址
$targetId = $channelMap[$id];
$playUrl = null;
if (!empty($dataArr['data']) && is_array($dataArr['data'])) {
foreach ($dataArr['data'] as $item) {
if (isset($item['mediaAsset']['id']) && $item['mediaAsset']['id'] === $targetId) {
$playUrl = $item['mediaAsset']['url'];
break;
}
}
}
$isTsRequest = isset($_GET['ts']) && $_GET['ts'] === '1';
if ($isTsRequest && $playUrl) {
$tsPath = $_GET['path'] ?? '';
if (empty($tsPath)) {
header('HTTP/1.1 400 Bad Request');
echo '缺少TS路径参数';
exit;
}
// 基本信息
$parsed = parse_url($playUrl);
$baseUrl = "{$parsed['scheme']}://{$parsed['host']}";
$queryParams = $_GET;
unset($queryParams['ts'], $queryParams['path'], $queryParams['id']);
$queryString = http_build_query($queryParams);
$tsUrl = "{$baseUrl}/{$tsPath}" . ($queryString ? "?{$queryString}" : "");
// 透传 Range 请求（支持拖动）
$forwardHeaders = [
'User-Agent: aliplayer',
'Referer: https://api.chinaaudiovisual.cn/',
'Accept: */*',
'Connection: keep-alive'
];
if (!empty($_SERVER['HTTP_RANGE'])) {
$forwardHeaders[] = 'Range: ' . $_SERVER['HTTP_RANGE'];
}
// 禁用各种缓冲，开启即写即发
@ini_set('output_buffering', 'off');
@ini_set('zlib.output_compression', '0');
@ini_set('implicit_flush', '1');
while (ob_get_level() > 0) {
@ob_end_flush();
}
ob_implicit_flush(true);
header('X-Accel-Buffering: no'); // 关闭 Nginx 的 FastCGI 缓冲
// 默认类型（若上游返回了 Content-Type，会在 header 回调里覆盖）
if (!headers_sent()) {
header('Content-Type: video/MP2T');
header('Cache-Control: no-cache, no-store, must-revalidate');
header('Pragma: no-cache');
}
$ch = curl_init($tsUrl);
$httpCode = 0;
// 转发上游响应头（在 body 前触发）
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function ($ch, $headerLine) {
$len = strlen($headerLine);
$headerLineLower = strtolower($headerLine);
// 状态行
if (preg_match('#^HTTP/\d\.\d\s+(\d+)#', $headerLine, $m)) {
if (!headers_sent()) {
http_response_code((int)$m[1]);
}
return $len;
}
// 只转发少数安全且有用的头
if (stripos($headerLine, 'Content-Length:') === 0 ||
stripos($headerLine, 'Content-Range:') === 0 ||
stripos($headerLine, 'Accept-Ranges:') === 0 ||
stripos($headerLine, 'Content-Type:') === 0) {
if (!headers_sent()) {
// 避免重复/非法头
$trimmed = trim($headerLine);
if ($trimmed !== '') header($trimmed, true);
}
}
return $len;
});
// 逐块写出数据
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function ($ch, $data) {
// 客户端断开则中止
if (connection_aborted()) {
return 0; // 返回 0 让 cURL 停止
}
echo $data;
// 立刻把缓冲区推给客户端
if (function_exists('fastcgi_finish_request')) {
// 不能在这里调用 fastcgi_finish_request（那会直接结束请求）
// 保留注释提醒，不调用
}
@flush();
@ob_flush();
return strlen($data);
});
curl_setopt_array($ch, [
CURLOPT_RETURNTRANSFER => false, // 我们用 WRITEFUNCTION
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_HTTPHEADER => $forwardHeaders,
CURLOPT_BUFFERSIZE => 128 * 1024, // 增大单次回调块大小
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_TIMEOUT => 0, // 持续流
CURLOPT_NOSIGNAL => true,
}
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