fix(integrations): complete account connections in place

apps/desktop/e2e/source-connect.spec.ts

@@ -1,4 +1,4 @@
-import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs'
+import { mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs'
 import { createServer } from 'node:http'
 import { tmpdir } from 'node:os'
 import { dirname, join } from 'node:path'
@@ -8,6 +8,8 @@ import { getErrorMessage } from '@sim/utils/errors'
 import { sleep } from '@sim/utils/helpers'
 import { generateShortId } from '@sim/utils/id'
 import { build } from 'esbuild'
+import postcss from 'postcss'
+import loadPostcssConfig from 'postcss-load-config'
 
 const DESKTOP_DIR = fileURLToPath(new URL('..', import.meta.url))
 const SIM_DIR = fileURLToPath(new URL('../../sim/', import.meta.url))
@@ -42,6 +44,9 @@ test('source authorization returns to its desktop screen and refreshes live', as
   }
   const tickets = new Map<string, unknown>()
   const attempts = new Map<string, string>()
+  const accountAttempts = new Map<string, { session: string; mcp: boolean }>()
+  let accountConnected = false
+  let mcpAccountConnected = false
   const startSessions: string[] = []
   const callbackSessions: string[] = []
   const githubAttempts = new Map<string, { session: string; completed: boolean }>()
@@ -50,6 +55,7 @@ test('source authorization returns to its desktop screen and refreshes live', as
   let nativeCredentialVisible = false
   let installed = false
   let javascript = ''
+  let stylesheet = ''
   let origin = ''
   let app: Awaited<ReturnType<typeof electron.launch>> | undefined
   let browser: Awaited<ReturnType<typeof chromium.launch>> | undefined
@@ -73,9 +79,76 @@ test('source authorization returns to its desktop screen and refreshes live', as
       for await (const chunk of request) text += chunk.toString()
       return JSON.parse(text)
     }
-    if (path === '/fixture.js') {
-      response.setHeader('content-type', 'text/javascript')
-      response.end(javascript)
+    if (path === '/fixture.js' || path === '/fixture.css') {
+      response.setHeader('content-type', path.endsWith('.js') ? 'text/javascript' : 'text/css')
+      response.end(path.endsWith('.js') ? javascript : stylesheet)
+      return
+    }
+    if (path === '/api/organizations/fixture-organization/connected-accounts') {
+      json({
+        credentialGroup: null,
+        availableProviders: [],
+        availableMcpConnectors: [],
+        canManage: false,
+        indexingAvailable: true,
+        viewerMcpAccounts: mcpAccountConnected
+          ? [
+              {
+                credentialId: 'fixture-mcp-account',
+                displayName: 'Fixture MCP account',
+                mcpServerId: 'fixture-mcp',
+                status: 'active',
+              },
+            ]
+          : [],
+        viewerAccounts: accountConnected
+          ? [
+              {
+                credentialId: 'fixture-account',
+                displayName: 'Fixture account',
+                providerId: 'google-drive',
+                groupId: 'fixture-group',
+                optionId: 'fixture-option',
+                status: 'active',
+              },
+            ]
+          : [],
+      })
+      return
+    }
+    if (
+      path === '/api/organizations/fixture-organization/connected-accounts/connect' ||
+      path === '/api/users/me/organization-accounts/fixture-account/reconnect'
+    ) {
+      const input = request.method === 'POST' && path.endsWith('/connect') ? await body() : null
+      const completionId = input?.oauthCompletionId ?? url.searchParams.get('oauthCompletionId')
+      if (!completionId) {
+        json({ error: 'Missing completion ID' }, 400)
+        return
+      }
+      accountAttempts.set(completionId, { session, mcp: Boolean(input?.mcpServerId) })
+      json({
+        invitationLink: `${origin}/credential-groups/enroll/fixture-account-invitation`,
+        authorizationUrl: `${origin}/account-provider?completionId=${completionId}`,
+      })
+      return
+    }
+    if (path === '/account-callback') {
+      const completionId = url.searchParams.get('completionId') ?? ''
+      const attempt = accountAttempts.get(completionId)
+      if (attempt?.session !== session) {
+        json({ error: 'Wrong attempt' }, 403)
+        return
+      }
+      accountAttempts.delete(completionId)
+      const denied = url.searchParams.has('error')
+      if (!denied) {
+        if (attempt.mcp) mcpAccountConnected = true
+        else accountConnected = true
+      }
+      redirect(
+        `/credential-groups/complete?completionId=${completionId}&organizationId=fixture-organization${denied ? '&oauth=denied' : ''}`
+      )
       return
     }
     if (path === '/api/auth/get-session') {
@@ -217,6 +290,14 @@ test('source authorization returns to its desktop screen and refreshes live', as
       return
     }
     response.setHeader('content-type', 'text/html')
+    if (path === '/account-provider') {
+      response.setHeader('Cross-Origin-Opener-Policy', 'same-origin')
+      const completionId = url.searchParams.get('completionId') ?? ''
+      response.end(
+        `<!doctype html><a href="/account-callback?completionId=${completionId}">Authorize account</a><a href="/account-callback?completionId=${completionId}&error=denied">Deny account</a>`
+      )
+      return
+    }
     if (path === '/github-provider') {
       response.end(
         `<!doctype html><a href="/github-callback?setupId=${url.searchParams.get('setupId')}">Authorize GitHub</a>`
@@ -239,10 +320,18 @@ test('source authorization returns to its desktop screen and refreshes live', as
         'set-cookie',
         'better-auth.session_token=desktop-fixture; HttpOnly; SameSite=Lax; Path=/'
       )
-    response.end('<!doctype html><div id="root"></div><script src="/fixture.js"></script>')
+    response.end(
+      '<!doctype html><html><head><link rel="stylesheet" href="/fixture.css"></head><body><div id="root"></div><script src="/fixture.js"></script></body></html>'
+    )
   })
   try {
     await check('launch the production source hook and native bridge', async () => {
+      const config = await loadPostcssConfig({}, SIM_DIR)
+      const cssPath = join(SIM_DIR, 'app/_styles/globals.css')
+      const css = await postcss(config.plugins).process(
+        `${readFileSync(cssPath, 'utf8')}\n@source ${JSON.stringify(FIXTURE)};`,
+        { from: cssPath }
+      )
       const bundle = await build({
         entryPoints: [FIXTURE],
         bundle: true,
@@ -257,6 +346,7 @@ test('source authorization returns to its desktop screen and refreshes live', as
         define: { 'process.env.NODE_ENV': '"development"' },
       })
       javascript = bundle.outputFiles.find((file) => file.path.endsWith('.js'))?.text ?? ''
+      stylesheet = `${css.css}\n${bundle.outputFiles.find((file) => file.path.endsWith('.css'))?.text ?? ''}`
       await new Promise<void>((resolve) => server.listen(0, '127.0.0.1', resolve))
       const address = server.address()
       if (!address || typeof address === 'string') throw new Error('Missing fixture address')
@@ -400,6 +490,86 @@ test('source authorization returns to its desktop screen and refreshes live', as
       await expect(page.getByRole('alert')).toContainText('Sign in to Sim in your browser')
       expect(page.url()).toBe(`${origin}/home`)
     })
+    await check('managed accounts return through the desktop completion handoff', async () => {
+      await page.getByRole('button', { name: 'Connect MCP account', exact: true }).click()
+      await expect.poll(async () => (await opened()).length).toBe(9)
+      await external.goto((await opened())[8])
+      await external.getByRole('link', { name: 'Authorize account' }).click()
+      await expect(page.getByLabel('Account authorization', { exact: true })).toHaveText('success')
+      await expect(page.getByLabel('Account count')).toHaveText('1')
+      expect(page.url()).toBe(`${origin}/home`)
+      await expect(page.getByLabel('Source draft')).toHaveValue('Preserved while connecting')
+    })
+    const web = await context.newPage()
+    web.on('pageerror', (error) => pageErrors.push(error.message))
+    await web.goto(`${origin}/o/fixture-organization/integrations?search=fixture`)
+    await check(
+      'web authorization preserves the origin and refreshes after an isolated provider window',
+      async () => {
+        accountConnected = false
+        mcpAccountConnected = false
+        await web.reload()
+        await web.getByLabel('Source draft').fill('Web draft retained')
+        await expect(web.getByLabel('Account count')).toHaveText('0')
+        const popupReady = context.waitForEvent('page')
+        await web.getByRole('button', { name: 'Connect account', exact: true }).click()
+        const popup = await popupReady
+        await popup.getByRole('link', { name: 'Authorize account' }).click()
+        await expect(web.getByLabel('Account count')).toHaveText('1')
+        await expect(web.getByLabel('Account authorization', { exact: true })).toHaveText('success')
+        await expect(web.getByLabel('Source draft')).toHaveValue('Web draft retained')
+        expect(web.url()).toBe(`${origin}/o/fixture-organization/integrations?search=fixture`)
+      }
+    )
+    await check('overlapping connect and reconnect preserve the active authorization', async () => {
+      const popupReady = context.waitForEvent('page')
+      await web.getByRole('button', { name: 'Connect account', exact: true }).click()
+      const popup = await popupReady
+      await popup.getByRole('link', { name: 'Authorize account' }).waitFor()
+      const pendingAttempts = accountAttempts.size
+      await web.getByRole('button', { name: 'Reconnect account', exact: true }).click()
+      await expect(web.getByLabel('Reconnect error')).toContainText('Finish or cancel')
+      expect(accountAttempts.size).toBe(pendingAttempts)
+      await expect(web.getByLabel('Account authorization', { exact: true })).toHaveText('pending')
+      await popup.getByRole('link', { name: 'Authorize account' }).click()
+      await expect(web.getByLabel('Account authorization', { exact: true })).toHaveText('success')
+    })
+    await check('web denial and cancellation leave the initiating page usable', async () => {
+      const popupReady = context.waitForEvent('page')
+      await web.getByRole('button', { name: 'Connect account', exact: true }).click()
+      const popup = await popupReady
+      await popup.getByRole('link', { name: 'Deny account' }).click()
+      await expect(web.getByLabel('Account error')).toContainText('canceled')
+      await popup.close()
+      await expect(web.getByRole('button', { name: 'Cancel', exact: true })).toHaveCount(0)
+      const nextPopupReady = context.waitForEvent('page')
+      await web.getByRole('button', { name: 'Connect account', exact: true }).click()
+      const nextPopup = await nextPopupReady
+      await nextPopup.getByRole('link', { name: 'Authorize account' }).waitFor()
+      await expect(web.getByRole('button', { name: 'Cancel', exact: true })).toHaveCount(1)
+      await web.getByRole('button', { name: 'Cancel', exact: true }).click()
+      expect(pageErrors).toEqual([])
+      await expect(web.getByLabel('Account error')).toContainText('canceled')
+      await expect(web.getByRole('button', { name: 'Connect account', exact: true })).toBeEnabled()
+      await expect(web.getByLabel('Account count')).toHaveText('1')
+    })
+    await check('reconnect uses the same completion lifecycle', async () => {
+      const popupReady = context.waitForEvent('page')
+      await web.getByRole('button', { name: 'Reconnect account', exact: true }).click()
+      const popup = await popupReady
+      await popup.getByRole('link', { name: 'Authorize account' }).click()
+      await expect(web.getByLabel('Reconnect status')).toHaveText('success')
+      await expect(web.getByLabel('Source draft')).toHaveValue('Web draft retained')
+    })
+    await check('blocked popups complete in the same tab and return to Integrations', async () => {
+      await web.evaluate(() => {
+        window.open = () => null
+      })
+      await web.getByRole('button', { name: 'Connect account', exact: true }).click()
+      await web.getByRole('link', { name: 'Authorize account' }).click()
+      await expect(web).toHaveURL(`${origin}/o/fixture-organization/integrations`)
+      await expect(web.getByLabel('Account count')).toHaveText('1')
+    })
     await page.screenshot({ path: test.info().outputPath('source-connect-desktop.png') })
   } finally {
     mkdirSync(dirname(reportPath), { recursive: true })

apps/sim/app/api/credential-groups/enrollment-redirect.ts

@@ -23,11 +23,13 @@ export function createCredentialGroupEnrollmentRedirect(
 
 export function createCredentialGroupCompletionRedirect(
   oauth?: CredentialGroupOAuthFailure,
-  completionId?: string
+  completionId?: string,
+  organizationId?: string
 ): NextResponse {
   const query = new URLSearchParams()
   if (oauth) query.set('oauth', oauth)
   if (completionId) query.set('completionId', completionId)
+  if (organizationId) query.set('organizationId', organizationId)
   return new NextResponse(null, {
     status: 303,
     headers: {

apps/sim/app/api/credential-groups/oauth-callback.test.ts

@@ -238,3 +238,33 @@ describe('GitHub installation setup OAuth return target', () => {
     expect(url.searchParams.get('setupId')).toBe(completionId)
   })
 })
+
+describe('Integrations OAuth completion', () => {
+  it.each([undefined, 'denied'])(
+    'returns the originating organization on completion: %s',
+    async (error) => {
+      mocks.consumeAttempt.mockResolvedValueOnce({
+        ...attempt,
+        returnTo: 'integrations',
+        organizationId: 'organization-1',
+        completionRedirect: true,
+        completionId,
+      })
+      mocks.authenticate.mockResolvedValueOnce({ kind: 'credential_group_enrollment' })
+      mocks.completeOAuth.mockResolvedValueOnce({ connectedOptionId: 'option-1' })
+      const response = await handleCredentialGroupOAuthCallback({
+        request: createMockRequest({
+          url: 'https://sim.test/api/auth/oauth2/callback/github-repositories',
+        }),
+        provider: 'github-repositories',
+        query: { state: 'cg_state', code: 'code-1', ...(error ? { error } : {}) },
+        limited: null,
+      })
+      const destination = new URL(response.headers.get('location')!, 'https://sim.test')
+      expect(destination.pathname).toBe('/credential-groups/complete')
+      expect(destination.searchParams.get('completionId')).toBe(completionId)
+      expect(destination.searchParams.get('organizationId')).toBe('organization-1')
+      expect(destination.searchParams.get('oauth')).toBe(error ?? null)
+    }
+  )
+})

apps/sim/app/api/credential-groups/oauth-callback.ts

@@ -84,11 +84,13 @@ export async function handleCredentialGroupOAuthCallback({
     })
   const installationSetup =
     attempt.returnTo === 'github-installation' && attempt.organizationId && attempt.completionId
+  const returnOrganizationId =
+    attempt.returnTo === 'integrations' ? attempt.organizationId : undefined
   const failureRedirect = (oauth: CredentialGroupOAuthFailure) =>
     installationSetup
       ? setupRedirect(oauth)
       : attempt.completionRedirect
-        ? createCredentialGroupCompletionRedirect(oauth, attempt.completionId)
+        ? createCredentialGroupCompletionRedirect(oauth, attempt.completionId, returnOrganizationId)
         : createCredentialGroupEnrollmentRedirect(attempt.invitationToken, { ...focus, oauth })
   if (limited) {
     return failureRedirect('rate_limited')
@@ -117,7 +119,11 @@ export async function handleCredentialGroupOAuthCallback({
       request,
     })
     return attempt.completionRedirect
-      ? createCredentialGroupCompletionRedirect(undefined, attempt.completionId)
+      ? createCredentialGroupCompletionRedirect(
+          undefined,
+          attempt.completionId,
+          returnOrganizationId
+        )
       : createCredentialGroupEnrollmentRedirect(attempt.invitationToken, {
           ...focus,
           connected: attempt.optionId,

apps/sim/app/api/mcp/oauth/callback/route.test.ts

@@ -38,7 +38,7 @@ vi.mock('@/lib/credential-groups/rate-limit', () => ({
   enforcePublicCredentialGroupIpRateLimit: mockEnforceCallbackRateLimit,
 }))
 
-import { GET } from './route'
+import { GET } from '@/app/api/mcp/oauth/callback/route'
 
 const { mockDiscoverServerTools } = mcpServiceMockFns
 
@@ -88,6 +88,31 @@ describe('MCP OAuth callback route', () => {
     mockEnforceCallbackRateLimit.mockResolvedValue(null)
   })
 
+  it.each([undefined, 'denied'])(
+    'finishes a direct connection without the invitation form: %s',
+    async (error) => {
+      const completionId = '00000000-0000-4000-8000-000000000002'
+      mockConsumeManagedAttempt.mockResolvedValueOnce({
+        state: 'mcp_cg_direct',
+        organizationId: 'organization-1',
+        invitationToken: 'invitation-token',
+        mcpServerId: 'server-1',
+        completionId,
+        returnTo: 'integrations',
+      })
+      const response = await GET(
+        new NextRequest(
+          `http://localhost:3000/api/mcp/oauth/callback?state=mcp_cg_direct&${error ? 'error=denied' : 'code=code-1'}`
+        )
+      )
+      const destination = new URL(response.headers.get('location')!, 'http://localhost:3000')
+      expect(destination.pathname).toBe('/credential-groups/complete')
+      expect(destination.searchParams.get('completionId')).toBe(completionId)
+      expect(destination.searchParams.get('organizationId')).toBe('organization-1')
+      expect(destination.searchParams.get('oauth')).toBe(error ?? null)
+    }
+  )
+
   it('performs the token exchange through the SSRF-guarded mcpAuthGuarded wrapper', async () => {
     const request = new NextRequest(
       'http://localhost:3000/api/mcp/oauth/callback?state=state-1&code=auth-code-1'