Implemented Refresh Token

Author: kaferi

README.md

@@ -1,7 +1,7 @@
-# Aspose.Pdf for Cloud
-[Aspose.Pdf for Cloud](https://products.aspose.cloud/pdf/cloud) is a true REST API that enables you to perform a wide range of document processing operations including creation, manipulation, conversion and rendering of Pdf documents in the cloud.
+# Aspose.PDF Cloud
+[Aspose.PDF Cloud](https://products.aspose.cloud/pdf/cloud) is a true REST API that enables you to perform a wide range of document processing operations including creation, manipulation, conversion and rendering of Pdf documents in the cloud.
 
-Our Cloud SDKs are wrappers around REST API in various programming languages, allowing you to process documents in language of your choice quickly and easily, gaining all benefits of strong types and IDE highlights. This repository contains new generation SDKs for Aspose.Pdf for Cloud and examples.
+Our Cloud SDKs are wrappers around REST API in various programming languages, allowing you to process documents in language of your choice quickly and easily, gaining all benefits of strong types and IDE highlights. This repository contains new generation SDKs for Aspose.PDF Cloud and examples.
 
 These SDKs are now fully supported. If you have any questions, see any bugs or have enhancement request, feel free to reach out to us at [Free Support Forums](https://forum.aspose.cloud/c/pdf).
 
@@ -41,7 +41,7 @@ class SdkUsage(object):
 Aspose PDF SDK includes a suite of unit tests within the "test" subdirectory. These Unit Tests also serves as examples of how to use the Aspose PDF SDK.
 
 ## Licensing
-All Aspose.Pdf for Cloud SDKs are licensed under [MIT License](LICENSE).
+All Aspose.PDF Cloud SDKs are licensed under [MIT License](LICENSE).
 
 ## Resources
 + [**Website**](https://www.aspose.cloud)

asposepdfcloud/api_client.py

@@ -36,6 +36,7 @@
 import threading
 
 from datetime import date, datetime
+from asposepdfcloud.models.http_status_code import HttpStatusCode
 
 # python 2 and python 3 compatibility library
 from six import PY3, integer_types, iteritems, text_type
@@ -185,13 +186,24 @@ def __call_api(self, resource_path, method,
         self.__add_o_auth_token(header_params)
 
 
-        # perform request and return response
-        response_data = self.request(method, url,
-                                     query_params=query_params,
-                                     headers=header_params,
-                                     post_params=post_params, body=body,
-                                     _preload_content=_preload_content,
-                                     _request_timeout=_request_timeout)
+        try:
+            # perform request and return response
+            response_data = self.request(method, url,
+                                         query_params=query_params,
+                                         headers=header_params,
+                                         post_params=post_params, body=body,
+                                         _preload_content=_preload_content,
+                                         _request_timeout=_request_timeout)
+        except ApiException as error:
+            if error.status == HttpStatusCode.UNAUTHORIZED:
+                self.__refresh_token()
+                self.__add_o_auth_token(header_params)
+                response_data = self.request(method, url,
+                                         query_params=query_params,
+                                         headers=header_params,
+                                         post_params=post_params, body=body,
+                                         _preload_content=_preload_content,
+                                         _request_timeout=_request_timeout)
 
         self.last_response = response_data
 
@@ -242,7 +254,36 @@ def __request_token(self):
 
         data = json.loads(str(response_data.data))
         config.access_token = data['access_token']
+        config.refresh_token = data['refresh_token']
+
+    def __refresh_token(self):
+        config = Configuration()
+
+        # header parameters
+        header_params =  {"Content-Type" : "application/x-www-form-urlencoded"}
+
+        method = 'POST'
+
+        # post params
+        post_params = {
+                    "grant_type" : "refresh_token",
+                    "refresh_token" : config.refresh_token
+                    }
+
+        # resource path
+        resource_path = "/oauth2/token"
+
+        # request url
+        url = self.host.replace("/v1.1", "") + resource_path
+
+        # perform request and return response
+        response_data = self.request(method, url,
+                                     headers=header_params,
+                                     post_params=post_params)
 
+        data = json.loads(str(response_data.data))
+        config.access_token = data['access_token']
+        config.refresh_token = data['refresh_token']
 
     def __add_o_auth_token(self, header_params):
         config = Configuration()

asposepdfcloud/configuration.py

@@ -67,16 +67,13 @@ def __init__(self):
         self.api_client = None
         # Temp file folder for downloading files
         self.temp_folder_path = None
-
-        # Authentication Settings
-        # App Key
-        self.app_key = ""
-        # App Key
-        self.app_sid = ""
 
         # access token for OAuth
         self.access_token = ""
 
+        # refresh token for OAuth
+        self.refresh_token = ""
+
         # Logging Settings
         self.logger = {}
         self.logger["package_logger"] = logging.getLogger("swagger_client")