Update app.py

app.py

@@ -26,6 +26,13 @@ def generate_pkce_codes():
     return code_verifier, code_challenge
 
 def get_msal_app():
+    return msal.ConfidentialClientApplication(
+        client_id=APPLICATION_ID_KEY,
+        client_credential=CLIENT_SECRET_KEY,
+        authority=AUTHORITY_URL
+    )
+    
+def get_msal_app2():
     return msal.PublicClientApplication(
         client_id=APPLICATION_ID_KEY,
         authority=AUTHORITY_URL
@@ -46,6 +53,25 @@ client_instance = get_msal_app()
 def get_access_token(code):
     client_instance = get_msal_app()
     
+    try:
+        result = client_instance.acquire_token_by_authorization_code(
+            code=code,
+            scopes=SCOPES,
+            redirect_uri=REDIRECT_URI
+        )
+        
+        if 'access_token' in result:
+            return result['access_token']
+        else:
+            error_description = result.get('error_description', 'No error description provided')
+            raise Exception(f"Error acquiring token: {error_description}")
+    except Exception as e:
+        st.error(f"Exception in get_access_token: {str(e)}")
+        raise
+        
+def get_access_token3(code):
+    client_instance = get_msal_app()
+    
     st.write("Debug: MSAL App Configuration:")
     st.write(f"Client ID: {APPLICATION_ID_KEY[:5]}...")
     st.write(f"Authority: {AUTHORITY_URL}")