docs: define exact Google redirect URI policy

This commit is contained in:
donghyeon-ka
2026-07-25 16:28:53 +09:00
parent e4eb7e54f7
commit f077e5038e
2 changed files with 48 additions and 0 deletions
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# Google redirect URI policy
Google에 등록하는 redirect URI는 애플리케이션 SPA callback이 아니라 Keycloak
broker endpoint다.
```text
https://auth.example.test/realms/keycloak-patterns/broker/google/endpoint
```
규칙:
- production URI는 HTTPS와 고정된 public Keycloak origin을 사용한다.
- wildcard, path prefix, 임시 tunnel hostname을 production OAuth client에
등록하지 않는다.
- 개발·스테이징·운영은 Google OAuth client를 분리한다.
- reverse proxy가 있더라도 Google이 보는 URI와 Keycloak이 생성하는 URI가
byte-for-byte 같아야 한다.
- `configure-google-idp.sh`가 출력하는 URI를 Google Console의 Authorized
redirect URI와 대조한다.
```sh
PUBLIC_KEYCLOAK_URL=https://auth.example.test \
./scripts/verify-google-redirect-uri-policy.sh
```
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#!/usr/bin/env sh
set -eu
realm="${KEYCLOAK_REALM:-keycloak-patterns}"
public_keycloak_url="${PUBLIC_KEYCLOAK_URL:-https://auth.example.test}"
expected="$public_keycloak_url/realms/$realm/broker/google/endpoint"
case "$public_keycloak_url" in
https://*) ;;
*)
echo "PUBLIC_KEYCLOAK_URL must use https outside the local mock environment" >&2
exit 1
;;
esac
case "$public_keycloak_url" in
*\** | */)
echo "PUBLIC_KEYCLOAK_URL must be an exact origin without wildcard/trailing slash" >&2
exit 1
;;
esac
test "$expected" = "https://auth.example.test/realms/keycloak-patterns/broker/google/endpoint"
echo "Google redirect URI policy verified: $expected"