fix: connexion OAuth Gitea — redirect URI invalide (erreur 'Unregistered Redirect URI')
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Le /auth/login construisait le redirect_uri avec le schéma http:// en dur
et dupliquait l'expression dans login/callback : toute URL d'accès non
enregistrée (https, reverse proxy, hostname, port différent) était rejetée
par Gitea avec 'Unregistered Redirect URI' — les 2 liens 'Connect Gitea'
et 'Register with Gitea' de Workspaces → Gitea Projects étaient touchés.

- nouveau helper get_redirect_uri(request) : override explicite
  OAUTH_REDIRECT_URI (si défini), sinon schéma depuis X-Forwarded-Proto
  (fallback request scheme) + hôte depuis X-Forwarded-Host (fallback Host)
- redirect_uri stocké en session à l'authorize et réutilisé tel quel dans
  l'échange de code (plus de dérive entre les deux étapes)
- même correctif dans GitHubProvider.exchange_code (ignorait le paramètre)
- config : oauth_redirect_uri par défaut vide (dynamique) au lieu de
  localhost:8080 en dur
- .env.example documente OAUTH_REDIRECT_URI
- 4 tests de régression (host header, X-Forwarded-Proto/Host, override env,
  URL d'authorize) — 178/179 OK, l'échec restant (test_views_calendar) est
  pré-existant et dépend de la date
This commit is contained in:
2026-09-02 10:52:25 -04:00
parent 151ae4a3aa
commit e64a60c42b
5 changed files with 89 additions and 11 deletions
+51
View File
@@ -1691,6 +1691,57 @@ def test_oauth_login_with_mode_link_and_provider_github(client):
assert "github" in resp.text.lower() or "not configured" in resp.text.lower()
def _oauth_request(headers: dict):
"""Minimal Starlette Request for get_redirect_uri() unit tests."""
from fastapi import Request
raw = [(k.lower().encode(), v.encode()) for k, v in headers.items()]
return Request({
"type": "http", "method": "GET", "path": "/auth/login",
"headers": raw, "server": ("testserver", 80), "scheme": "http",
"query_string": b"", "client": ("127.0.0.1", 1234),
})
def test_get_redirect_uri_from_host_header():
"""get_redirect_uri() derives the URI from the Host header."""
from app.routers.auth import get_redirect_uri
uri = get_redirect_uri(_oauth_request({"host": "192.168.30.101:8080"}))
assert uri == "http://192.168.30.101:8080/auth/callback"
def test_get_redirect_uri_respects_forwarded_proto_and_host():
"""Behind a TLS reverse proxy, scheme/https + forwarded host win."""
from app.routers.auth import get_redirect_uri
uri = get_redirect_uri(_oauth_request({
"host": "flowdeck-internal:8080",
"x-forwarded-proto": "https",
"x-forwarded-host": "flowdeck.dracodev.net",
}))
assert uri == "https://flowdeck.dracodev.net/auth/callback"
def test_get_redirect_uri_env_override_wins(monkeypatch):
"""An explicit OAUTH_REDIRECT_URI pins the URI regardless of request."""
from app.routers.auth import get_redirect_uri
from app.config import settings
monkeypatch.setattr(settings, "oauth_redirect_uri", "http://localhost:8080/auth/callback")
uri = get_redirect_uri(_oauth_request({"host": "192.168.30.101:8080"}))
assert uri == "http://localhost:8080/auth/callback"
monkeypatch.undo()
def test_oauth_login_redirect_uri_dynamic(client):
"""The authorize URL carries the request-derived redirect_uri (encoded)."""
resp = client.get(
"/auth/login?provider=gitea",
headers={"X-Forwarded-Proto": "https", "X-Forwarded-Host": "flowdeck.dracodev.net"},
follow_redirects=False,
)
assert resp.status_code == 302
assert "login/oauth" in resp.headers.get("location", "").lower()
assert "redirect_uri=https%3A%2F%2Fflowdeck.dracodev.net%2Fauth%2Fcallback" in resp.headers["location"]
def test_oauth_callback_invalid_state(client):
"""GET /auth/callback?code=test&state=invalid — 400 for invalid state."""
resp = client.get("/auth/callback?code=test_code&state=invalid_state")