Optimization code

Author: ankadada

rtc/example/example.php

@@ -35,7 +35,7 @@
     $resp=$client->listRooms("dgbfvvzid", 'lfx', null, null);
     print_r($resp);exit;
     //鉴权的有效时间: 1个小时.
-    $resp = $client->appToken("dgd3fky76", "lfxl", '1111', (time()+3600), 'user');
+    $resp = $client->appToken("dgd4vecde", "lfxl", '1111', (time()+3600), 'user');
     print_r($resp);exit;
 } catch (\Exception $e) {
     echo "Error:", $e, "\n";

src/Qiniu/Auth.php

@@ -19,11 +19,6 @@ public function getAccessKey()
         return $this->accessKey;
     }
 
-    public function getSecretKey()
-    {
-        return $this->secretKey;
-    }
-
     public function sign($data)
     {
         $hmac = hash_hmac('sha1', $data, $this->secretKey, true);

src/Qiniu/Rtc/AppClient.php

@@ -163,10 +163,7 @@ public function appToken($appId, $roomName, $userId, $expireAt, $permission)
         $params['permission'] = $permission;
         $params['expireAt'] = $expireAt;
         $appAccessString = json_encode($params);
-        $encodedappAccess = \Qiniu\base64_urlSafeEncode($appAccessString);
-        $sign = hash_hmac('sha1', $encodedappAccess, $this->auth->getSecretKey(), true);
-        $encodedSign = \Qiniu\base64_urlSafeEncode($sign);
-        return $this->auth->getAccessKey() . ":" . $encodedSign . ":" . $encodedappAccess;
+        return $this->auth->signWithData($appAccessString);
     }
 
     private function get($url, $cType = null)