work on logout

app/main/views/sign_out.py

@@ -1,12 +1,34 @@
-from flask import redirect, url_for
+import os
+import uuid
+
+import requests
+from flask import redirect, url_for, current_app
 from flask_login import current_user
 
 from app.main import main
 
 
+def _sign_out_at_login_dot_gov():
+
+    base_url = "https://idp.int.identitysandbox.gov/openid_connect/logout?"
+    client_id = (
+        f"client_id={os.getenv('LOGIN_DOT_GOV_CLIENT_ID')}"
+    )
+    post_logout_redirect_uri = "post_logout_redirect_api=http://localhost:6012/sign-in"
+    state = f"state={str(uuid.uuid4())}"
+
+    # TODO If I take this url and put it in the browser, login.gov sign out works properly
+    # TODO But with this code it results in a 404 error message and we don't sign out from login.gov
+    url = f"{base_url}&{client_id}&{post_logout_redirect_uri}&{state}"
+    current_app.logger.info(f"URL={url}")
+    response = requests.post(url)
+    current_app.logger.info(f"GOT A RESPONSE {response}")
+
+
 @main.route("/sign-out", methods=(["GET"]))
 def sign_out():
     # An AnonymousUser does not have an id
     if current_user.is_authenticated:
         current_user.sign_out()
+        _sign_out_at_login_dot_gov()
     return redirect(url_for("main.index"))