simstudioai
diff --git a/‎apps/sim/app/api/auth/oauth2/authorize/route.test.ts‎
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+/**
+ * @vitest-environment node
+ */
+import { createMockRequest, dbChainMock, dbChainMockFns, resetDbChainMock } from '@sim/testing'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const {
+  mockGetSession,
+  mockOAuth2LinkAccount,
+  mockCheckWorkspaceAccess,
+  mockGetCredentialActorContext,
+} = vi.hoisted(() => ({
+  mockGetSession: vi.fn(),
+  mockOAuth2LinkAccount: vi.fn(),
+  mockCheckWorkspaceAccess: vi.fn(),
+  mockGetCredentialActorContext: vi.fn(),
+}))
+
+vi.mock('@sim/db', () => dbChainMock)
+
+vi.mock('@/lib/auth/auth', () => ({
+  auth: { api: { oAuth2LinkAccount: mockOAuth2LinkAccount } },
+  getSession: mockGetSession,
+}))
+
+vi.mock('@/lib/workspaces/permissions/utils', () => ({
+  checkWorkspaceAccess: mockCheckWorkspaceAccess,
+}))
+
+vi.mock('@/lib/credentials/access', () => ({
+  getCredentialActorContext: mockGetCredentialActorContext,
+}))
+
+vi.mock('@/lib/oauth/utils', () => ({
+  getAllOAuthServices: vi.fn(() => [{ providerId: 'google-email', name: 'Gmail' }]),
+}))
+
+import { GET } from '@/app/api/auth/oauth2/authorize/route'
+
+const BASE_URL = 'https://sim.test'
+const WORKSPACE_ID = 'ws-1'
+const USER_ID = 'user-1'
+const CREDENTIAL_ID = 'cred-1'
+const LINK_URL = 'https://provider.example/authorize?state=abc'
+
+function authorizeRequest(query: Record<string, string>) {
+  const url = new URL(`${BASE_URL}/api/auth/oauth2/authorize`)
+  for (const [key, value] of Object.entries(query)) {
+    url.searchParams.set(key, value)
+  }
+  return createMockRequest('GET', undefined, {}, url.toString())
+}
+
+function oauthCredentialActor(overrides: Record<string, unknown> = {}) {
+  return {
+    credential: {
+      id: CREDENTIAL_ID,
+      workspaceId: WORKSPACE_ID,
+      type: 'oauth',
+      providerId: 'google-email',
+      displayName: 'Work Gmail',
+      ...((overrides.credential as Record<string, unknown>) ?? {}),
+    },
+    member: null,
+    hasWorkspaceAccess: true,
+    canWriteWorkspace: true,
+    isAdmin: true,
+    ...Object.fromEntries(Object.entries(overrides).filter(([key]) => key !== 'credential')),
+  }
+}
+
+describe('OAuth2 authorize route', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    resetDbChainMock()
+    process.env.NEXT_PUBLIC_APP_URL = BASE_URL
+    mockGetSession.mockResolvedValue({ user: { id: USER_ID } })
+    mockCheckWorkspaceAccess.mockResolvedValue({
+      hasAccess: true,
+      canWrite: true,
+      canAdmin: false,
+      workspace: { id: WORKSPACE_ID },
+    })
+    mockOAuth2LinkAccount.mockResolvedValue({
+      ok: true,
+      status: 200,
+      json: async () => ({ url: LINK_URL }),
+      headers: { getSetCookie: () => ['better-auth.state=xyz; Path=/'] },
+    })
+  })
+
+  describe('plain connect (no credentialId)', () => {
+    it('creates a draft with credentialId null and redirects to the provider', async () => {
+      const response = await GET(
+        authorizeRequest({ providerId: 'google-email', workspaceId: WORKSPACE_ID })
+      )
+
+      expect(response.headers.get('location')).toBe(LINK_URL)
+      expect(mockGetCredentialActorContext).not.toHaveBeenCalled()
+      expect(dbChainMockFns.values).toHaveBeenCalledWith(
+        expect.objectContaining({
+          userId: USER_ID,
+          workspaceId: WORKSPACE_ID,
+          providerId: 'google-email',
+          credentialId: null,
+        })
+      )
+      expect(dbChainMockFns.onConflictDoUpdate).toHaveBeenCalledWith(
+        expect.objectContaining({
+          set: expect.objectContaining({ credentialId: null }),
+        })
+      )
+    })
+
+    it('numbers the draft display name when the default collides with an existing credential', async () => {
+      dbChainMockFns.where
+        .mockImplementationOnce(() => Promise.resolve([{ name: 'Justin' }]))
+        .mockImplementationOnce(() => Promise.resolve([{ displayName: "Justin's Gmail" }]))
+
+      await GET(authorizeRequest({ providerId: 'google-email', workspaceId: WORKSPACE_ID }))
+
+      expect(dbChainMockFns.values).toHaveBeenCalledWith(
+        expect.objectContaining({ displayName: "Justin's Gmail 2" })
+      )
+    })
+
+    it('nulls out credentialId in the upsert set so a stale reconnect draft cannot leak into a plain connect', async () => {
+      await GET(authorizeRequest({ providerId: 'google-email', workspaceId: WORKSPACE_ID }))
+
+      const [{ set }] = dbChainMockFns.onConflictDoUpdate.mock.calls[0]
+      expect(set).toHaveProperty('credentialId', null)
+    })
+
+    it('redirects to login when unauthenticated', async () => {
+      mockGetSession.mockResolvedValue(null)
+
+      const response = await GET(
+        authorizeRequest({ providerId: 'google-email', workspaceId: WORKSPACE_ID })
+      )
+
+      expect(response.headers.get('location')).toContain('/login')
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+    })
+
+    it('rejects without workspace write access', async () => {
+      mockCheckWorkspaceAccess.mockResolvedValue({
+        hasAccess: true,
+        canWrite: false,
+        canAdmin: false,
+        workspace: { id: WORKSPACE_ID },
+      })
+
+      const response = await GET(
+        authorizeRequest({ providerId: 'google-email', workspaceId: WORKSPACE_ID })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=workspace_access_denied`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+      expect(mockOAuth2LinkAccount).not.toHaveBeenCalled()
+    })
+  })
+
+  describe('reconnect (credentialId present)', () => {
+    it('creates a reconnect draft carrying credentialId in values and upsert set', async () => {
+      mockGetCredentialActorContext.mockResolvedValue(oauthCredentialActor())
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(LINK_URL)
+      expect(mockGetCredentialActorContext).toHaveBeenCalledWith(
+        CREDENTIAL_ID,
+        USER_ID,
+        expect.objectContaining({ workspaceAccess: expect.anything() })
+      )
+      expect(dbChainMockFns.values).toHaveBeenCalledWith(
+        expect.objectContaining({ credentialId: CREDENTIAL_ID })
+      )
+      expect(dbChainMockFns.onConflictDoUpdate).toHaveBeenCalledWith(
+        expect.objectContaining({
+          set: expect.objectContaining({ credentialId: CREDENTIAL_ID }),
+        })
+      )
+    })
+
+    it("uses the credential's actual display name for the reconnect draft (audit accuracy)", async () => {
+      mockGetCredentialActorContext.mockResolvedValue(
+        oauthCredentialActor({ credential: { displayName: 'Renamed By User' } })
+      )
+
+      await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(dbChainMockFns.values).toHaveBeenCalledWith(
+        expect.objectContaining({ displayName: 'Renamed By User' })
+      )
+    })
+
+    it('rejects reconnect for custom-flow providers (trello/shopify) and writes no draft', async () => {
+      for (const providerId of ['trello', 'shopify']) {
+        const response = await GET(
+          authorizeRequest({ providerId, workspaceId: WORKSPACE_ID, credentialId: CREDENTIAL_ID })
+        )
+
+        expect(response.headers.get('location')).toBe(
+          `${BASE_URL}/workspace?error=credential_reconnect_unsupported`
+        )
+      }
+      expect(mockGetCredentialActorContext).not.toHaveBeenCalled()
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+      expect(mockOAuth2LinkAccount).not.toHaveBeenCalled()
+    })
+
+    it('rejects when the caller is not a credential admin and writes no draft', async () => {
+      mockGetCredentialActorContext.mockResolvedValue(oauthCredentialActor({ isAdmin: false }))
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=credential_access_denied`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+      expect(mockOAuth2LinkAccount).not.toHaveBeenCalled()
+    })
+
+    it('rejects when the credential belongs to a different workspace', async () => {
+      mockGetCredentialActorContext.mockResolvedValue(
+        oauthCredentialActor({ credential: { workspaceId: 'ws-other' } })
+      )
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=credential_access_denied`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+    })
+
+    it('rejects when the credential does not exist', async () => {
+      mockGetCredentialActorContext.mockResolvedValue({
+        credential: null,
+        member: null,
+        hasWorkspaceAccess: false,
+        canWriteWorkspace: false,
+        isAdmin: false,
+      })
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: 'cred-missing',
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=credential_access_denied`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+    })
+
+    it('rejects a non-oauth credential', async () => {
+      mockGetCredentialActorContext.mockResolvedValue(
+        oauthCredentialActor({ credential: { type: 'env_workspace' } })
+      )
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'google-email',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=credential_access_denied`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+    })
+
+    it('rejects when the query providerId does not match the credential provider', async () => {
+      mockGetCredentialActorContext.mockResolvedValue(oauthCredentialActor())
+
+      const response = await GET(
+        authorizeRequest({
+          providerId: 'slack',
+          workspaceId: WORKSPACE_ID,
+          credentialId: CREDENTIAL_ID,
+        })
+      )
+
+      expect(response.headers.get('location')).toBe(
+        `${BASE_URL}/workspace?error=credential_provider_mismatch`
+      )
+      expect(dbChainMockFns.values).not.toHaveBeenCalled()
+      expect(mockOAuth2LinkAccount).not.toHaveBeenCalled()
+    })
+  })
+})