Move decodeHeaderAndPayload function to Jwt

Author: Илья

src/Auth/IamAuth.php

@@ -57,12 +57,4 @@ public function requestToken($request_data)
             throw new Exception('Failed to obtain new iamToken: response status is ' . $status);
         }
     }
-
-    public function decodeHeaderAndPayload(string $jwtToken) : array {
-        $paths = explode(".", $jwtToken);
-        $result = [];
-        $result["header"] = json_decode(base64_decode($paths[0]), true);
-        $result["payload"] = json_decode(base64_decode($paths[1]), true);
-        return $result;
-    }
 }

src/Auth/Implement/StaticAuthentication.php

@@ -5,6 +5,7 @@
 use YdbPlatform\Ydb\Auth\IamAuth;
 use YdbPlatform\Ydb\Auth\TokenInfo;
 use YdbPlatform\Ydb\Auth\UseConfigInterface;
+use YdbPlatform\Ydb\Jwt\Jwt;
 use YdbPlatform\Ydb\Ydb;
 
 class StaticAuthentication extends IamAuth implements UseConfigInterface
@@ -26,7 +27,7 @@ public function __construct(string $user, string $password)
     public function getTokenInfo(): TokenInfo
     {
         $this->token = $this->ydb->auth()->getToken($this->user, $this->password);
-        $jwtData = $this->decodeHeaderAndPayload($this->token);
+        $jwtData = Jwt::decodeHeaderAndPayload($this->token);
         $expiresIn = $this->convertExpiresAt($jwtData['payload']['exp']);
         $ratio = $this->getRefreshTokenRatio();
 

src/Jwt/Jwt.php

@@ -136,4 +136,12 @@ public function urlEncode($value)
     	}
         return str_replace('=', '', strtr(base64_encode($value), '+/', '-_'));
     }
+
+    public static function decodeHeaderAndPayload(string $jwtToken) : array {
+        $paths = explode(".", $jwtToken);
+        $result = [];
+        $result["header"] = json_decode(base64_decode($paths[0]), true);
+        $result["payload"] = json_decode(base64_decode($paths[1]), true);
+        return $result;
+    }
 }