feat(ap4): defend forwarded identity headers

2026-07-25 14:59:47 +09:00
parent 452aa4808a
commit 2d58dea5e1
11 changed files with 116 additions and 34 deletions
@@ -0,0 +1,75 @@
+server {
+    listen 80;
+    server_name _;
+
+    large_client_header_buffers 4 16k;
+
+    location = /health {
+        access_log off;
+        default_type text/plain;
+        return 200 "ok\n";
+    }
+
+    location = /oauth2/auth {
+        internal;
+        proxy_pass http://oauth2-proxy:4180;
+        proxy_pass_request_body off;
+        proxy_set_header Content-Length "";
+        proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Host $http_host;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Uri $request_uri;
+    }
+
+    location /oauth2/ {
+        proxy_pass http://oauth2-proxy:4180;
+        proxy_http_version 1.1;
+        proxy_set_header Host $http_host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Host $http_host;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Auth-Request-Redirect $scheme://$http_host$request_uri;
+    }
+
+    location = /api/edge {
+        auth_request /oauth2/auth;
+        error_page 401 = @api_unauthorized;
+
+        auth_request_set $auth_user $upstream_http_x_auth_request_user;
+        auth_request_set $auth_email $upstream_http_x_auth_request_email;
+        auth_request_set $auth_cookie $upstream_http_set_cookie;
+        add_header Set-Cookie $auth_cookie always;
+
+        proxy_pass http://app:8081/edge/me;
+        proxy_set_header X-Auth-Request-User $auth_user;
+        proxy_set_header X-Auth-Request-Email $auth_email;
+        proxy_set_header X-Internal-Auth-Token "${INTERNAL_AUTH_TOKEN}";
+    }
+
+    location / {
+        auth_request /oauth2/auth;
+        error_page 401 = @oauth2_signin;
+
+        auth_request_set $auth_user $upstream_http_x_auth_request_user;
+        auth_request_set $auth_email $upstream_http_x_auth_request_email;
+        auth_request_set $auth_cookie $upstream_http_set_cookie;
+        add_header Set-Cookie $auth_cookie always;
+
+        proxy_pass http://app:8081/edge/me;
+        proxy_set_header X-Auth-Request-User $auth_user;
+        proxy_set_header X-Auth-Request-Email $auth_email;
+        proxy_set_header X-Internal-Auth-Token "${INTERNAL_AUTH_TOKEN}";
+    }
+
+    location @oauth2_signin {
+        return 302 $scheme://$http_host/oauth2/start?rd=$scheme://$http_host$request_uri;
+    }
+
+    location @api_unauthorized {
+        default_type application/json;
+        return 401 '{"error":"authentication required"}';
+    }
+}