Update to Oauth2

Author: jcr-invest

.env.example

@@ -1 +1,2 @@
-DROPBOX_TOKEN=YOUR_TOKEN
+DROPBOX_APP_KEY=
+DROPBOX_APP_SECRET=

.gitignore

@@ -1,3 +1,4 @@
 .env
 files/*
-.idea/
+.idea/
+dropbox_token.json

dropbox_login.py

@@ -0,0 +1,52 @@
+import json
+from datetime import datetime
+
+from dropbox import DropboxOAuth2FlowNoRedirect
+
+'''
+It goes through an example of requesting a starting scope,
+and requesting more throughout the process
+'''
+from dotenv import load_dotenv, dotenv_values
+
+load_dotenv()
+config = dotenv_values(".env")
+
+DROPBOX_APP_KEY = config["DROPBOX_APP_KEY"]
+DROPBOX_APP_SECRET = config["DROPBOX_APP_SECRET"]
+
+auth_flow = DropboxOAuth2FlowNoRedirect(DROPBOX_APP_KEY,
+                                        consumer_secret=DROPBOX_APP_SECRET,
+                                        token_access_type='offline',
+                                        scope=['files.metadata.read', 'files.metadata.write', 'files.content.read',
+                                               'files.content.write'])
+
+authorize_url = auth_flow.start()
+print("1. Go to: " + authorize_url)
+print("2. Click \"Allow\" (you might have to log in first).")
+print("3. Copy the authorization code.")
+auth_code = input("Enter the authorization code here: ").strip()
+
+try:
+    oauth_result = auth_flow.finish(auth_code)
+    #     oauth_result = auth_flow.finish(auth_code)
+    print(oauth_result)
+    # save to json file
+    with open('dropbox_token.json', 'w') as f:
+
+        output = {
+            'oauth2_access_token_expiration': datetime.timestamp(oauth_result.expires_at),
+            'oauth2_refresh_token': oauth_result.refresh_token,
+            'scope': oauth_result.scope.split(' '),
+            'oauth2_access_token': oauth_result.access_token,
+            'app_key': DROPBOX_APP_KEY,
+            'app_secret': DROPBOX_APP_SECRET
+
+        }
+        json.dump(output, f, indent=4, sort_keys=True, default=str)
+        print("Token saved to dropbox_token.json")
+        print(output)
+
+except Exception as e:
+    print('Error: %s' % (e,))
+    exit(1)

dropbox_upload.py

@@ -1,17 +1,17 @@
+import json
 import os
 import sys
+from datetime import datetime
 from os import listdir
 from os.path import join
 
 import dropbox
-from dropbox.exceptions import ApiError, AuthError
-from dropbox.files import WriteMode
-
 from dotenv import load_dotenv, dotenv_values
+from dropbox.exceptions import ApiError
+from dropbox.files import WriteMode
 
 load_dotenv()
 config = dotenv_values(".env")
-DROPBOX_TOKEN = config["DROPBOX_TOKEN"]
 
 
 # Uploads contents of LOCALFILE to Dropbox
@@ -44,25 +44,13 @@ def backup(folder, filename, delete_file=False):
 
 
 if __name__ == '__main__':
-    # Check for an access token
-    if len(DROPBOX_TOKEN) == 0:
-        sys.exit(
-            "ERROR: Looks like you didn't add your access token. "
-            'Open up backup-and-restore-example.py in a text editor and '
-            'paste in your token in line 14.'
-        )
 
-    # Create an instance of a Dropbox class, which can make requests to the API.
-    print('Creating a Dropbox object...')
-    with dropbox.Dropbox(DROPBOX_TOKEN) as dbx:
+    with open('dropbox_token.json', 'r') as f:
+        data = json.load(f)
 
-        # Check that the access token is valid
-        try:
-            dbx.users_get_current_account()
-        except AuthError:
-            sys.exit(
-                'ERROR: Invalid access token; try re-generating an ' 'access token from the app console on the web.'
-            )
+    data['oauth2_access_token_expiration'] = datetime.fromtimestamp(data['oauth2_access_token_expiration'])
+
+    with dropbox.Dropbox(**data) as dbx:
 
         # Create a backup of the current settings file
         folder = 'files'