feat(auth): add support for OAuth and MojeID

7project/backend/app/oauth/moje_id.py

@@ -0,0 +1,48 @@
+import json
+from typing import Optional, Literal
+
+from httpx_oauth.clients.openid import OpenID
+from httpx_oauth.oauth2 import OAuth2Token, GetAccessTokenError, T
+
+
+# claims=%7B%22id_token%22%3A%7B%22birthdate%22%3A%7B%22essential%22%3Atrue%7D%2C%22name%22%3A%7B%22essential%22%3Atrue%7D%2C%22given_name%22%3A%7B%22essential%22%3Atrue%7D%2C%22family_name%22%3A%7B%22essential%22%3Atrue%7D%2C%22email%22%3A%7B%22essential%22%3Atrue%7D%2C%22address%22%3A%7B%22essential%22%3Afalse%7D%2C%22mojeid_valid%22%3A%7B%22essential%22%3Atrue%7D%7D%7D
+class MojeIDOAuth(OpenID):
+    def __init__(self, client_id: str, client_secret: str):
+        super().__init__(
+            client_id,
+            client_secret,
+            "https://mojeid.regtest.nic.cz/.well-known/openid-configuration/",
+            "MojeID",
+            base_scopes=["openid", "email", "profile"],
+        )
+
+    async def get_authorization_url(
+            self,
+            redirect_uri: str,
+            state: Optional[str] = None,
+            scope: Optional[list[str]] = None,
+            code_challenge: Optional[str] = None,
+            code_challenge_method: Optional[Literal["plain", "S256"]] = None,
+            extras_params: Optional[T] = None,
+    ) -> str:
+        required_fields = {
+            'id_token': {
+                'name': {'essential': True},
+                'given_name': {'essential': True},
+                'family_name': {'essential': True},
+                'email': {'essential': True},
+                'mojeid_valid': {'essential': True},
+            }}
+
+        if extras_params is None:
+            extras_params = {}
+        extras_params["claims"] = json.dumps(required_fields)
+
+        return await super().get_authorization_url(
+            redirect_uri,
+            state,
+            scope,
+            code_challenge,
+            code_challenge_method,
+            extras_params,
+        )