Merge pull request #245 from ziyunxiao/master

fix invalid credential error and refresh_code not exist error

keycloak/keycloak_admin.py

@@ -2106,7 +2106,13 @@ class KeycloakAdmin:
         return r
 
     def get_token(self):
-        token_realm_name = self.user_realm_name or self.realm_name
+        if self.user_realm_name:
+            token_realm_name = self.user_realm_name
+        elif self.realm_name:
+            token_realm_name = self.realm_name
+        else:
+            token_realm_name = "master"
+            
         self.keycloak_openid = KeycloakOpenID(server_url=self.server_url, client_id=self.client_id,
                                               realm_name=token_realm_name, verify=self.verify,
                                               client_secret_key=self.client_secret_key,
@@ -2139,7 +2145,10 @@ class KeycloakAdmin:
                                              verify=self.verify)
 
     def refresh_token(self):
-        refresh_token = self.token.get('refresh_token')
+        refresh_token = self.token.get('refresh_token', None)
+        if refresh_token is None:
+            self.get_token()
+        else:
             try:
                 self.token = self.keycloak_openid.refresh_token(refresh_token)
             except KeycloakGetError as e:
@@ -2152,6 +2161,7 @@ class KeycloakAdmin:
                     self.get_token()            
                 else:
                     raise
+                    
         self.connection.add_param_headers('Authorization', 'Bearer ' + self.token.get('access_token'))
 
     def get_client_all_sessions(self, client_id):