fix bug

@@ -52,8 +52,8 @@ class IWALoginView(IWABaseView, GenericView):
 
     def post(self, request, *args, **kwargs):
         code = request.data.get('code', '')
-        redirect_uri = request.data.get('redirect_uri', '')
-        q_number = self.get_q_number(conf.IWA_URL, code, redirect_uri, client_id_base64)
+        # redirect_uri = request.data.get('redirect_uri', '')
+        q_number = self.get_q_number(conf.IWA_URL, code, conf.IWA_REDIRECT_URI, client_id_base64)
 
         is_valid, data = self.validate(q_number)
 

@@ -113,24 +113,24 @@ class IWABaseView:
     @staticmethod
     def get_token(iwa_url_base, code, redirect_uri, client_id_base64):
         headers = {
-            'authorization': 'Basic {0}'.format(client_id_base64),  # client_id:secret做base64encode
-            'content-type': 'application/x-www-form-urlencoded',
+            'Authorization': 'Basic {0}'.format(client_id_base64),  # client_id:secret做base64encode
+            'Content-type': 'application/x-www-form-urlencoded',
         }
         get_params_dict = {
             'grant_type': 'authorization_code',
             'code': code,
             'redirect_uri': redirect_uri,
         }
-        get_params_str = '&'.join(['{0}={1}'.format(k, v) for k, v in get_params_dict.items()])
-        iwa_token_url = '{0}access_token?{1}'.format(iwa_url_base, get_params_str)
-        res = requests.post(iwa_token_url, headers=headers)
+        # get_params_str = '&'.join(['{0}={1}'.format(k, v) for k, v in get_params_dict.items()])
+        iwa_token_url = '{0}access_token'.format(iwa_url_base)
+        res = requests.post(url=iwa_token_url, headers=headers, data=get_params_dict)
 
         return res.json().get('access_token', '')
 
     def get_q_number(self, iwa_url_base, code, redirect_uri, client_id_base64):
         access_token = self.get_token(iwa_url_base, code, redirect_uri, client_id_base64)
         headers = {
-            'authorization', 'Bearer {0}'.format(access_token)
+            'Authorization', 'Bearer {0}'.format(access_token)
         }
         iwa_user_url = '{0}userinfo'.format(iwa_url_base)
         res = requests.get(iwa_user_url, headers=headers)