fix: use supported redirect mode for Workers organization requests

tests/runtime/organization-test.mjs

@@ -0,0 +1,50 @@
+import worker from './index.js';
+
+const ROOT = '038326b6-954a-48a7-a85f-efd83f62b82a';
+const USER = '01900000-0000-7000-8000-000000000001';
+const DEPT = 'ee2f39ac-fe52-4cfb-b4e3-4ae1d114c916';
+const encoder = new TextEncoder();
+const encode = (bytes) => btoa(String.fromCharCode(...bytes)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
+
+function equal(actual, expected, field) {
+  if (actual !== expected) throw new Error(`${field}: expected ${expected}, received ${actual}`);
+}
+
+export default {
+  async test() {
+    const user = {
+      userUuid: USER, ssoSubject: USER, requesterId: USER,
+      tenantId: DEPT, requesterTenantId: DEPT,
+      company: 'IS3', companySource: 'sso', department: ''
+    };
+    const env = {
+      SESSION_COOKIE_NAME: 'fixture_session', SESSION_SECRET: 'fixture-session-secret',
+      ORG_CONTEXT_ENABLED: 'true', ORG_CONTEXT_API_URL: 'https://organization.example.test/org-context',
+      ORG_CONTEXT_KEY_ID: 'fixture-key-id', ORG_CONTEXT_KEY_SECRET: 'fixture-key-secret',
+      ORG_CONTEXT_TENANT_IDS: JSON.stringify([ROOT])
+    };
+    const payload = encode(encoder.encode(JSON.stringify({ user, expiresAt: Date.now() + 60000 })));
+    const key = await crypto.subtle.importKey('raw', encoder.encode(env.SESSION_SECRET), { name: 'HMAC', hash: 'SHA-256' }, false, ['sign']);
+    const signature = encode(new Uint8Array(await crypto.subtle.sign('HMAC', key, encoder.encode(payload))));
+    const request = () => new Request('https://qa.example.test/auth/session', {
+      headers: { cookie: `${env.SESSION_COOKIE_NAME}=${payload}.${signature}` }
+    });
+
+    const response = await worker.fetch(request(), env);
+    const session = await response.json();
+    equal(response.status, 200, 'session HTTP status');
+    equal(session.authenticated, true, 'authenticated');
+    equal(session.user.orgContextStatus, 'resolved', 'organization lookup');
+    equal(session.user.company, '총괄기획실&기술개발센터', 'company');
+    equal(session.user.department, 'IS3', 'department');
+    equal(session.user.requesterId, USER, 'canonical identity');
+    equal(session.user.orgContextError, undefined, 'error after success');
+
+    const rejected = await worker.fetch(request(), {
+      ...env, ORG_CONTEXT_API_URL: 'https://organization.example.test/redirect'
+    });
+    const rejectedSession = await rejected.json();
+    equal(rejectedSession.authenticated, true, 'session after upstream redirect');
+    equal(rejectedSession.user.orgContextError, 'org_context_http_302', 'redirect rejection');
+  }
+};

tests/runtime/organization-upstream.mjs

@@ -0,0 +1,26 @@
+const ROOT = '038326b6-954a-48a7-a85f-efd83f62b82a';
+const COMPANY = '9951229e-eea5-4376-96f4-78989bc3a506';
+const DEPT = 'ee2f39ac-fe52-4cfb-b4e3-4ae1d114c916';
+const USER = '01900000-0000-7000-8000-000000000001';
+
+export default {
+  fetch(request) {
+    const url = new URL(request.url);
+    if (url.origin !== 'https://organization.example.test') throw new Error('Redirect must never be followed');
+    if (request.headers.get('X-Baron-Key-ID') !== 'fixture-key-id' || request.headers.get('X-Baron-Key-Secret') !== 'fixture-key-secret') {
+      throw new Error('Expected organization integration credentials');
+    }
+    if (url.pathname === '/redirect') return Response.redirect('https://must-not-follow.example.test/', 302);
+    if (url.searchParams.get('tenantId') !== ROOT || url.searchParams.get('exposure') !== 'identifiers') {
+      throw new Error('Unexpected organization query');
+    }
+    return Response.json({
+      schemaVersion: 'baron.org-context.v2', scope: { tenantId: ROOT },
+      tree: { id: ROOT, name: '한맥가족', type: 'COMPANY_GROUP', children: [
+        { id: COMPANY, name: '총괄기획실&기술개발센터', type: 'COMPANY', children: [
+          { id: DEPT, name: 'IS3', type: 'COMPANY', members: [{ id: USER, isPrimary: true }] }
+        ] }
+      ] }
+    });
+  }
+};

tests/runtime/organization.capnp

@@ -0,0 +1,19 @@
+using Workerd = import "/workerd/workerd.capnp";
+
+const config :Workerd.Config = (
+  services = [
+    (name = "organization", worker = (
+      compatibilityDate = "2026-09-18",
+      globalOutbound = "organization-upstream",
+      modules = [
+        (name = "test.mjs", esModule = embed "organization-test.mjs"),
+        (name = "index.js", esModule = embed "../../src/index.js"),
+        (name = "org-context.js", esModule = embed "../../src/org-context.js")
+      ]
+    )),
+    (name = "organization-upstream", worker = (
+      compatibilityDate = "2026-09-18",
+      modules = [(name = "upstream.mjs", esModule = embed "organization-upstream.mjs")]
+    ))
+  ]
+);