feat(core): provide management API to detect if user has password (#3698)

* feat(core): provide management API to detect if user has password

* chore: add changeset

* chore: add response status to koa guard

Co-authored-by: Gao Sun <gao@silverhand.io>

---------

Co-authored-by: Gao Sun <gao@silverhand.io>

.changeset/popular-wasps-begin.md

@@ -0,0 +1,5 @@
+---
+"@logto/core": patch
+---
+
+Provide management API to detect if a user has set the password.

packages/core/src/routes/admin-user.test.ts

@@ -1,3 +1,4 @@
+/* eslint-disable max-lines */
 import type { CreateUser, Role, SignInExperience, User } from '@logto/schemas';
 import { userInfoSelectFields } from '@logto/schemas';
 import { createMockUtils, pickDefault } from '@logto/shared/esm';
@@ -375,6 +376,19 @@ describe('adminUserRoutes', () => {
     expect(verifyUserPassword).toHaveBeenCalledWith(mockUser, password);
   });
 
+  it('GET /users/:userId/has-password should return true if user has password', async () => {
+    const response = await userRequest.get(`/users/foo/has-password`);
+    expect(response.status).toEqual(200);
+    expect(response.body).toEqual({ hasPassword: true });
+  });
+
+  it('GET /users/:userId/has-password should return false if user does not have password', async () => {
+    findUserById.mockImplementationOnce(async () => ({ ...mockUser, passwordEncrypted: null }));
+    const response = await userRequest.get(`/users/foo/has-password`);
+    expect(response.status).toEqual(200);
+    expect(response.body).toEqual({ hasPassword: false });
+  });
+
   it('PATCH /users/:userId/is-suspended', async () => {
     const mockedUserId = 'foo';
     const response = await userRequest
@@ -460,3 +474,4 @@ describe('adminUserRoutes', () => {
     expect(deleteUserIdentity).toHaveBeenCalledWith(arbitraryUserId, arbitraryTarget);
   });
 });
+/* eslint-enable max-lines */

packages/core/src/routes/admin-user.ts

@@ -255,6 +255,25 @@ export default function adminUserRoutes<T extends AuthedRouter>(
     }
   );
 
+  router.get(
+    '/users/:userId/has-password',
+    koaGuard({
+      params: object({ userId: string() }),
+      response: object({ hasPassword: boolean() }),
+      status: [200],
+    }),
+    async (ctx, next) => {
+      const { userId } = ctx.guard.params;
+      const user = await findUserById(userId);
+
+      ctx.body = {
+        hasPassword: Boolean(user.passwordEncrypted),
+      };
+
+      return next();
+    }
+  );
+
   router.patch(
     '/users/:userId/is-suspended',
     koaGuard({