initial exploratory work on sync

app.py

@@ -10,6 +10,11 @@ import random
 import string
 import configparser
 import bcrypt
+import requests
+import json
+import os
+import binascii
+import hashlib
 
 from flask import render_template, redirect
 
@@ -303,5 +308,24 @@ def load_user(user_id):
     else:
         return None
 
+syncServerUrl = config['Sync']['sync-server-url']
+syncServerUsername = config['Sync']['sync-server-username']
+syncServerPassword = config['Sync']['sync-server-password']
+
+nonce = binascii.hexlify(bytearray(os.urandom(32)))
+
+print('Nonce: ' + nonce)
+
+# SHA256(user + ":" + SHA256(user + ":" + password) + ":" + nonce)  where SHA256 is a hex encoded value
+auth = hashlib.sha256(syncServerUsername + ":" + hashlib.sha256(syncServerPassword + ":" + syncServerPassword).hexdigest() + ":" + nonce).hexdigest()
+
+response = requests.post(syncServerUrl + "/login", json={
+    'user': syncServerUsername,
+    'nonce': nonce,
+    'auth': auth
+})
+
+print(response)
+
 if __name__ == '__main__':
-    app.run(host='0.0.0.0')
+    app.run(host='0.0.0.0')

config.ini

@@ -2,4 +2,9 @@
 # Enter below credentials with with which you want to authenticate to Notecase web app
 username=adam
 # This is bcrypt password hash. You can use generate-password.py (in this directory) to hash your password
-password-hash=$2b$12$jcbhRx6WRbCRogpCckH1hehWrHWgFaFYC3u3ebdVURJX36..fdAca
+password-hash=$2b$12$jcbhRx6WRbCRogpCckH1hehWrHWgFaFYC3u3ebdVURJX36..fdAca
+
+[Sync]
+sync-server-url=http://localhost:57201
+sync-server-username=syncuser
+sync-server-password=password