feat: Implement API endpoint to show saml auth provider

packages/backend/src/controllers/api/v1/admin/saml-auth-providers/get-saml-auth-provider.ee.js

@@ -0,0 +1,10 @@
+import { renderObject } from '../../../../../helpers/renderer.js';
+import SamlAuthProvider from '../../../../../models/saml-auth-provider.ee.js';
+
+export default async (request, response) => {
+  const samlAuthProvider = await SamlAuthProvider.query()
+    .findById(request.params.samlAuthProviderId)
+    .throwIfNotFound();
+
+  renderObject(response, samlAuthProvider);
+};

packages/backend/src/controllers/api/v1/admin/saml-auth-providers/get-saml-auth-provider.ee.test.js

@@ -0,0 +1,34 @@
+import { vi, describe, it, expect, beforeEach } from 'vitest';
+import request from 'supertest';
+import app from '../../../../../app.js';
+import createAuthTokenByUserId from '../../../../../helpers/create-auth-token-by-user-id.js';
+import { createRole } from '../../../../../../test/factories/role.js';
+import { createUser } from '../../../../../../test/factories/user.js';
+import { createSamlAuthProvider } from '../../../../../../test/factories/saml-auth-provider.ee.js';
+import getSamlAuthProviderMock from '../../../../../../test/mocks/rest/api/v1/saml-auth-providers/get-saml-auth-provider.ee.js';
+import * as license from '../../../../../helpers/license.ee.js';
+
+describe('GET /api/v1/admin/saml-auth-provider/:samlAuthProviderId', () => {
+  let samlAuthProvider, currentUser, token;
+
+  beforeEach(async () => {
+    const role = await createRole({ key: 'admin' });
+    currentUser = await createUser({ roleId: role.id });
+    samlAuthProvider = await createSamlAuthProvider();
+
+    token = createAuthTokenByUserId(currentUser.id);
+  });
+
+  it('should return saml auth provider with specified id', async () => {
+    vi.spyOn(license, 'hasValidLicense').mockResolvedValue(true);
+
+    const response = await request(app)
+      .get(`/api/v1/admin/saml-auth-providers/${samlAuthProvider.id}`)
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedPayload = await getSamlAuthProviderMock(samlAuthProvider);
+
+    expect(response.body).toEqual(expectedPayload);
+  });
+});

packages/backend/src/routes/api/v1/saml-auth-providers.ee.js

@@ -3,6 +3,7 @@ import { authenticateUser } from '../../../helpers/authentication.js';
 import { authorizeAdmin } from '../../../helpers/authorization.js';
 import { checkIsEnterprise } from '../../../helpers/check-is-enterprise.js';
 import getSamlAuthProvidersAction from '../../../controllers/api/v1/admin/saml-auth-providers/get-saml-auth-providers.ee.js';
+import getSamlAuthProviderAction from '../../../controllers/api/v1/admin/saml-auth-providers/get-saml-auth-provider.ee.js';
 
 const router = Router();
 
@@ -14,4 +15,12 @@ router.get(
   getSamlAuthProvidersAction
 );
 
+router.get(
+  '/:samlAuthProviderId',
+  authenticateUser,
+  authorizeAdmin,
+  checkIsEnterprise,
+  getSamlAuthProviderAction
+);
+
 export default router;

packages/backend/test/mocks/rest/api/v1/saml-auth-providers/get-saml-auth-provider.ee.js

@@ -0,0 +1,29 @@
+const getSamlAuthProvidersMock = async (samlAuthProvider) => {
+  const data = {
+    active: samlAuthProvider.active,
+    certificate: samlAuthProvider.certificate,
+    defaultRoleId: samlAuthProvider.defaultRoleId,
+    emailAttributeName: samlAuthProvider.emailAttributeName,
+    entryPoint: samlAuthProvider.entryPoint,
+    firstnameAttributeName: samlAuthProvider.firstnameAttributeName,
+    id: samlAuthProvider.id,
+    issuer: samlAuthProvider.issuer,
+    name: samlAuthProvider.name,
+    roleAttributeName: samlAuthProvider.roleAttributeName,
+    signatureAlgorithm: samlAuthProvider.signatureAlgorithm,
+    surnameAttributeName: samlAuthProvider.surnameAttributeName,
+  };
+
+  return {
+    data: data,
+    meta: {
+      count: 1,
+      currentPage: null,
+      isArray: false,
+      totalPages: null,
+      type: 'SamlAuthProvider',
+    },
+  };
+};
+
+export default getSamlAuthProvidersMock;