subType = $request->input('type'); $target = strtolower($request->input('target') ?? ($request->userAgent() ?? '')); // 检查订阅码是否有效 $subscribe = UserSubscribe::whereCode($code)->first(); if (! $subscribe) { return $this->failed(trans('error.subscribe.unknown')); } if ($subscribe->status !== 1) { return $this->failed(trans('error.subscribe.sub_baned')); } // 检查用户是否有效 $user = $subscribe->user; if (! $user) { return $this->failed(trans('error.subscribe.user')); } if ($user->status === -1) { return $this->failed(trans('error.subscribe.user_disable')); } if ($user->enable !== 1) { if ($user->ban_time) { return $this->failed(trans('error.subscribe.baned_until', ['time' => $user->ban_time])); } $unusedTraffic = $user->transfer_enable - $user->usedTraffic(); if ($unusedTraffic <= 0) { return $this->failed(trans('error.subscribe.out')); } if ($user->expired_at < date('Y-m-d')) { return $this->failed(trans('error.subscribe.expired')); } return $this->failed(trans('error.subscribe.question')); } // 更新访问次数 $subscribe->increment('times', 1); // 记录每次请求 $this->subscribeLog($subscribe->id, IP::getClientIp(), $request->headers); // 获取这个账号可用节点 $query = $user->nodes()->whereIsSubscribe(1); if ($this->subType === 1) { $query = $query->whereIn('type', [1, 4]); } elseif ($this->subType) { $query = $query->whereType($this->subType); } $nodeList = $query->orderByDesc('sort')->orderBy('id')->get(); if (empty($nodeList)) { return $this->failed(trans('error.subscribe.none')); } $servers = []; foreach ($nodeList as $node) { $servers[] = $node->config($user); } // 打乱数组 if (sysConfig('rand_subscribe')) { $servers = Arr::shuffle($servers); } if (sysConfig('subscribe_max')) { $servers = array_slice($servers, 0, (int) sysConfig('subscribe_max')); } return (new ClientController)->config($target, $user, $servers); } // 抛出错误的节点信息,用于兼容防止客户端订阅失败 private function failed($text) { return Response::make(base64url_encode($this->infoGenerator($text))); } private function infoGenerator($text): string { $result = null; switch ($this->subType) { case 2: $result = 'vmess://'.base64url_encode(json_encode([ 'v' => '2', 'ps' => $text, 'add' => '0.0.0.0', 'port' => 0, 'id' => 0, 'aid' => 0, 'net' => 'tcp', 'type' => 'none', 'host' => '', 'path' => '/', 'tls' => 'tls', ], JSON_PRETTY_PRINT)); break; case 3: $result = 'trojan://0@0.0.0.0:0?peer=0.0.0.0#'.rawurlencode($text); break; case 1: case 4: default: $result = 'ssr://'.base64url_encode('0.0.0.0:0:origin:none:plain:'.base64url_encode('0000').'/?obfsparam=&protoparam=&remarks='.base64url_encode($text).'&group='.base64url_encode(sysConfig('website_name')).'&udpport=0&uot=0'); break; } return $result.PHP_EOL; } // 写入订阅访问日志 private function subscribeLog($subscribeId, $ip, $headers): void { $log = new UserSubscribeLog(); $log->user_subscribe_id = $subscribeId; $log->request_ip = $ip; $log->request_time = date('Y-m-d H:i:s'); $log->request_header = $headers; $log->save(); } }