225 lines
8.0 KiB
PHP
225 lines
8.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\common\service;
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use app\common\facade\Token;
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use app\common\library\Auth;
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use support\Redis;
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use Throwable;
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/**
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* WebSocket 握手鉴权助手（与 HTTP §1.3 对齐）：
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*
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* 两种合法身份：
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* 1) **mobile（H5/移动端）**：URL Query 必须带 `auth_token` + `user_token`，校验通过后绑定 user_id；
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* 分发器对 user 级主题（bet.win 等）按 user_id 过滤，只发本人。
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* 2) **admin（后台联调/实时对局页）**：URL Query 必须带 `auth_token` + `admin_ws_token`；
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* `admin_ws_token` 由后台 `wsConfig` 接口签发并写入 Redis（短时签名）。绑定 user_id=0，
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* 分发器对该连接不做 user 级过滤，可观测全量推送（用于运维/联调）。
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*
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* 任一身份通过即可建连；都不满足则拒绝握手。
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*
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* 返回结构：
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* [
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* 'ok' => bool,
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* 'user_id' => int,
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* 'mode' => 'mobile' | 'admin' | '',
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* 'admin_id'=> int,
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* 'reason' => string,
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* 'auth_token' => string,
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* 'user_token' => string,
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* 'admin_ws_token' => string,
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* ]
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*/
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final class GameWebSocketAuthHelper
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{
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/** admin_ws_token 在 Redis 中的 key 前缀；value 存 admin_id，TTL 由 issueAdminWsToken 决定 */
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private const ADMIN_TOKEN_REDIS_PREFIX = 'dfw:v1:ws:admin_token:';
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private const ADMIN_TOKEN_DEFAULT_TTL = 7200;
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/**
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* @param array<string, mixed> $query 解析后的 URL Query 参数
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* @return array{ok:bool, user_id:int, mode:string, admin_id:int, reason:string, auth_token:string, user_token:string, admin_ws_token:string}
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*/
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public static function authorize(array $query): array
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{
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$authToken = self::pickFirstString($query, ['auth_token', 'auth-token', 'authToken']);
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$userToken = self::pickFirstString($query, ['user_token', 'user-token', 'userToken', 'token']);
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$adminWsToken = self::pickFirstString($query, ['admin_ws_token', 'admin-ws-token', 'adminWsToken']);
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// ===== Admin 旁路：只校验 admin_ws_token（由后台 wsConfig 签发，已隐含管理员身份） =====
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if ($adminWsToken !== '') {
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$adminId = self::validateAdminWsToken($adminWsToken);
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if ($adminId > 0) {
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return [
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'ok' => true,
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'user_id' => 0,
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'mode' => 'admin',
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'admin_id' => $adminId,
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'reason' => '',
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'auth_token' => $authToken,
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'user_token' => $userToken,
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'admin_ws_token' => $adminWsToken,
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];
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}
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return self::deny('admin-ws-token invalid or expired', $authToken, $userToken, $adminWsToken);
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}
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// ===== Mobile（H5）：必须同时校验 auth-token + user-token =====
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if ($authToken === '') {
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return self::deny('missing auth-token', '', $userToken, '');
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}
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$authData = Token::get($authToken);
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if (!is_array($authData) || ($authData['type'] ?? '') !== 'auth-token') {
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return self::deny('invalid auth-token type', $authToken, $userToken, '');
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}
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$authExpire = filter_var($authData['expire_time'] ?? 0, FILTER_VALIDATE_INT);
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if ($authExpire === false || $authExpire < time()) {
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return self::deny('auth-token expired', $authToken, $userToken, '');
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}
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if ($userToken === '') {
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return self::deny('missing user-token', $authToken, '', '');
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}
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$userData = Token::get($userToken);
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if (!is_array($userData) || ($userData['type'] ?? '') !== Auth::TOKEN_TYPE) {
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return self::deny('invalid user-token type', $authToken, $userToken, '');
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}
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$userExpire = filter_var($userData['expire_time'] ?? 0, FILTER_VALIDATE_INT);
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if ($userExpire === false || $userExpire < time()) {
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return self::deny('user-token expired', $authToken, $userToken, '');
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}
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$userId = filter_var($userData['user_id'] ?? 0, FILTER_VALIDATE_INT);
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if ($userId === false || $userId <= 0) {
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return self::deny('user-token has no user_id', $authToken, $userToken, '');
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}
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return [
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'ok' => true,
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'user_id' => (int) $userId,
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'mode' => 'mobile',
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'admin_id' => 0,
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'reason' => '',
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'auth_token' => $authToken,
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'user_token' => $userToken,
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'admin_ws_token' => '',
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];
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}
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/**
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* 为已登录的后台管理员签发短时 admin-ws-token；返回 [token, ttl]。
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* 调用方：app/admin/controller/test/GameCurrentStatus::wsConfig、app/admin/controller/game/Live::wsConfig
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*/
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public static function issueAdminWsToken(int $adminId, ?int $ttl = null): array
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{
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if ($adminId <= 0) {
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return ['token' => '', 'ttl' => 0];
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}
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$ttl = ($ttl !== null && $ttl > 0) ? $ttl : self::ADMIN_TOKEN_DEFAULT_TTL;
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try {
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$token = bin2hex(random_bytes(20));
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} catch (Throwable) {
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$token = md5(uniqid('admin_ws_', true) . microtime(true) . random_int(0, PHP_INT_MAX));
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}
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try {
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Redis::setEx(self::ADMIN_TOKEN_REDIS_PREFIX . $token, $ttl, (string) $adminId);
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} catch (Throwable) {
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return ['token' => '', 'ttl' => 0];
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}
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return ['token' => $token, 'ttl' => $ttl];
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}
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/**
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* 校验 admin-ws-token；返回 admin_id（>0 表示有效），0 表示无效/过期。
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*/
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public static function validateAdminWsToken(string $token): int
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{
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$token = trim($token);
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if ($token === '' || strlen($token) > 96) {
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return 0;
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}
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try {
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$raw = Redis::get(self::ADMIN_TOKEN_REDIS_PREFIX . $token);
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} catch (Throwable) {
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return 0;
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}
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if ($raw === false || $raw === null || $raw === '') {
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return 0;
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}
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$adminId = filter_var($raw, FILTER_VALIDATE_INT);
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return $adminId === false ? 0 : (int) $adminId;
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}
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/**
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* 从 ws header 中解析 GET 行 Query（Workerman 在 onWebSocketConnect($connection, $request) 时
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* $request 可能为字符串或对象；为兼容，这里允许直接传 URI Query 字符串）。
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*
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* @return array<string, string>
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*/
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public static function parseQueryString(string $queryString): array
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{
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$queryString = trim($queryString);
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if ($queryString === '') {
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return [];
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}
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if ($queryString[0] === '?') {
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$queryString = substr($queryString, 1);
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}
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$out = [];
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parse_str($queryString, $out);
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$clean = [];
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foreach ($out as $k => $v) {
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if (!is_string($k)) {
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continue;
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}
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if (is_string($v)) {
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$clean[$k] = $v;
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} elseif (is_scalar($v)) {
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$clean[$k] = (string) $v;
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}
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}
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return $clean;
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}
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/**
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* @param array<string, mixed> $query
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* @param list<string> $keys
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*/
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private static function pickFirstString(array $query, array $keys): string
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{
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foreach ($keys as $k) {
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if (!isset($query[$k])) {
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continue;
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}
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$v = $query[$k];
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if (!is_scalar($v)) {
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continue;
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}
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$s = trim((string) $v);
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if ($s !== '') {
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return $s;
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}
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}
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return '';
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}
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/**
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* @return array{ok:bool, user_id:int, mode:string, admin_id:int, reason:string, auth_token:string, user_token:string, admin_ws_token:string}
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*/
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private static function deny(string $reason, string $authToken, string $userToken, string $adminWsToken): array
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{
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return [
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'ok' => false,
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'user_id' => 0,
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'mode' => '',
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'admin_id' => 0,
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'reason' => $reason,
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'auth_token' => $authToken,
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'user_token' => $userToken,
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'admin_ws_token' => $adminWsToken,
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];
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}
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}
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