move everything to backend folder for migration to dashboard repository

backend/helpers/hydra_oauth.py

@@ -0,0 +1,50 @@
+from flask import request, session
+from requests_oauthlib import OAuth2Session
+
+from config import *
+from helpers import HydraError
+
+
+class HydraOauth:
+    @staticmethod
+    def authorize():
+        try:
+            hydra = OAuth2Session(HYDRA_CLIENT_ID)
+            authorization_url, state = hydra.authorization_url(
+                HYDRA_AUTHORIZATION_BASE_URL
+            )
+
+            return authorization_url
+        except Exception as err:
+            raise HydraError(str(err), 500)
+
+    @staticmethod
+    def get_token(state, code):
+        try:
+            hydra = OAuth2Session(
+                client_id=HYDRA_CLIENT_ID,
+                state=state,
+            )
+            token = hydra.fetch_token(
+                token_url=TOKEN_URL,
+                code=code,
+                client_secret=HYDRA_CLIENT_SECRET,
+                include_client_id=True,
+            )
+
+            session["hydra_token"] = token
+            return token
+        except Exception as err:
+            raise HydraError(str(err), 500)
+
+    @staticmethod
+    def get_user_info():
+        try:
+            hydra = OAuth2Session(
+                client_id=HYDRA_CLIENT_ID, token=session["hydra_token"]
+            )
+            user_info = hydra.get("{}/userinfo".format(HYDRA_PUBLIC_URL))
+
+            return user_info.json()
+        except Exception as err:
+            raise HydraError(str(err), 500)