feat: map broker claims to realm roles

google-e2e/claim-to-role.mjs

@@ -0,0 +1,68 @@
+import assert from "node:assert/strict";
+import { createHash, randomBytes } from "node:crypto";
+import { chromium } from "playwright-core";
+
+const keycloakUrl = process.env.KEYCLOAK_URL ?? "http://localhost:8080";
+const password = process.env.MOCK_GOOGLE_USER_PASSWORD;
+assert.ok(password);
+
+const verifier = randomBytes(48).toString("base64url");
+const challenge = createHash("sha256").update(verifier).digest("base64url");
+const redirectUri = "http://localhost:8088/";
+
+const browser = await chromium.launch({
+  executablePath: process.env.CHROME_BIN ?? "/usr/bin/google-chrome",
+  headless: true,
+  args: ["--no-sandbox"],
+});
+
+try {
+  const page = await browser.newPage();
+  const authorizationUrl = new URL(
+    `${keycloakUrl}/realms/keycloak-patterns/protocol/openid-connect/auth`,
+  );
+  authorizationUrl.search = new URLSearchParams({
+    client_id: "spa-public",
+    redirect_uri: redirectUri,
+    response_type: "code",
+    scope: "openid profile email",
+    state: crypto.randomUUID(),
+    nonce: crypto.randomUUID(),
+    code_challenge: challenge,
+    code_challenge_method: "S256",
+    kc_idp_hint: "mock-google",
+    prompt: "login",
+  });
+
+  await page.goto(authorizationUrl.toString());
+  await page.waitForURL(/\/realms\/mock-google\//u);
+  await page.locator("#username").fill("mock-new-user");
+  await page.locator("#password").fill(password);
+  await page.locator("#kc-login").click();
+  await page.waitForURL(/localhost:8088\/\?.*code=/u);
+
+  const code = new URL(page.url()).searchParams.get("code");
+  assert.ok(code);
+  const response = await fetch(
+    `${keycloakUrl}/realms/keycloak-patterns/protocol/openid-connect/token`,
+    {
+      method: "POST",
+      body: new URLSearchParams({
+        grant_type: "authorization_code",
+        client_id: "spa-public",
+        redirect_uri: redirectUri,
+        code,
+        code_verifier: verifier,
+      }),
+    },
+  );
+  assert.equal(response.status, 200);
+  const tokens = await response.json();
+  const payload = JSON.parse(
+    Buffer.from(tokens.access_token.split(".")[1], "base64url").toString(),
+  );
+  assert.ok(payload.realm_access.roles.includes("employee-role"));
+  console.log("Claim-to-role verified: hd=example.test -> employee-role");
+} finally {
+  await browser.close();
+}

google-e2e/package.json

@@ -5,7 +5,8 @@
   "type": "module",
   "scripts": {
     "test:first-broker": "node first-broker-login.mjs",
-    "test:claim-mapping": "node claim-mapping.mjs"
+    "test:claim-mapping": "node claim-mapping.mjs",
+    "test:claim-to-role": "node claim-to-role.mjs"
   },
   "dependencies": {
     "playwright-core": "1.55.1"