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fix: handle internal hostname without port in Login Flow v2 URL rewriting

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Nextcloud may omit default ports in the login_url (e.g. http://app
instead of http://app:80). Extract just scheme+hostname from
NEXTCLOUD_HOST for the URL replacement check.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Chris Coutinho
2026-03-29 23:11:42 +02:00
co-authored by Claude Opus 4.6
parent 1a51f5bbf5
commit c2f23a566c
1 changed files with 8 additions and 3 deletions
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nextcloud_mcp_server/auth/provision_routes.py
+8 -3
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@@ -205,12 +205,17 @@ async def provision_page(request: Request) -> RedirectResponse | HTMLResponse:
)
# Redirect to Nextcloud's Login Flow v2 login page.
# The login_url may use the internal Docker URL (http://app:80/...).
# The login_url may use the internal Docker hostname (http://app/...).
# Replace with the public Nextcloud URL for the browser.
login_url = init_response.login_url
public_issuer = os.getenv("NEXTCLOUD_PUBLIC_ISSUER_URL", "")
if public_issuer and nextcloud_host and nextcloud_host in login_url:
login_url = login_url.replace(nextcloud_host, public_issuer.rstrip("/"))
if public_issuer and nextcloud_host:
# Extract just scheme+host from NEXTCLOUD_HOST for matching
# (NC may omit default ports, e.g. http://app:80 → http://app)
parsed = urlparse(nextcloud_host)
internal_origin = f"{parsed.scheme}://{parsed.hostname}"
if internal_origin in login_url:
login_url = login_url.replace(internal_origin, public_issuer.rstrip("/"))
return RedirectResponse(login_url)