Ask for an alias on login when the email can't be retrieved

Author: gonzaloriestra

packages/cli-kit/src/private/node/session.test.ts

@@ -40,7 +40,6 @@ const validIdentityToken: IdentityToken = {
   expiresAt: futureDate,
   scopes: ['scope', 'scope2'],
   userId,
-  alias: userId,
 }
 
 const validTokens: OAuthSession = {
@@ -180,7 +179,7 @@ The CLI is currently unable to prompt for reauthentication.`,
     expect(fetchSessions).toHaveBeenCalledOnce()
   })
 
-  test('falls back to userId when email fetch fails', async () => {
+  test('leaves alias undefined when email fetch fails', async () => {
     // Given
     vi.mocked(validateSession).mockResolvedValueOnce('needs_full_auth')
     vi.mocked(fetchSessions).mockResolvedValue(undefined)
@@ -194,9 +193,8 @@ The CLI is currently unable to prompt for reauthentication.`,
     expect(businessPlatformRequest).toHaveBeenCalled()
     expect(storeSessions).toHaveBeenCalledOnce()
 
-    // Verify the session was stored with userId as alias (fallback)
     const storedSession = vi.mocked(storeSessions).mock.calls[0]![0]
-    expect(storedSession[fqdn]![userId]!.identity.alias).toBe(userId)
+    expect(storedSession[fqdn]![userId]!.identity.alias).toBeUndefined()
 
     expect(got).toEqual(validTokens)
   })
@@ -207,7 +205,7 @@ The CLI is currently unable to prompt for reauthentication.`,
     vi.mocked(fetchSessions).mockResolvedValue(undefined)
 
     // When
-    const got = await ensureAuthenticated(defaultApplications)
+    await ensureAuthenticated(defaultApplications)
 
     // Then
     expect(businessPlatformRequest).toHaveBeenCalledWith(expect.any(String), 'access_token')
@@ -666,7 +664,32 @@ describe('ensureAuthenticated email fetch functionality', () => {
     expect(got).toEqual(validTokens)
   })
 
-  test('uses userId as alias when email is not available', async () => {
+  test('preserves existing alias during token refresh error fallback when email fetch fails', async () => {
+    // Given
+    const sessionsWithAlias: Sessions = {
+      [fqdn]: {
+        [userId]: {
+          identity: {...validIdentityToken, alias: 'my-custom-alias'},
+          applications: {},
+        },
+      },
+    }
+    const tokenResponseError = new InvalidGrantError()
+    vi.mocked(validateSession).mockResolvedValueOnce('needs_refresh')
+    vi.mocked(fetchSessions).mockResolvedValue(sessionsWithAlias)
+    vi.mocked(refreshAccessToken).mockRejectedValueOnce(tokenResponseError)
+    vi.mocked(businessPlatformRequest).mockRejectedValueOnce(new Error('API Error'))
+
+    // When
+    const got = await ensureAuthenticated(defaultApplications)
+
+    // Then
+    const storedSession = vi.mocked(storeSessions).mock.calls[0]![0]
+    expect(storedSession[fqdn]![userId]!.identity.alias).toBe('my-custom-alias')
+    expect(got).toEqual(validTokens)
+  })
+
+  test('leaves alias undefined when email is not available', async () => {
     // Given
     vi.mocked(validateSession).mockResolvedValueOnce('needs_full_auth')
     vi.mocked(fetchSessions).mockResolvedValue(undefined)
@@ -681,7 +704,7 @@ describe('ensureAuthenticated email fetch functionality', () => {
 
     // Then
     const storedSession = vi.mocked(storeSessions).mock.calls[0]![0]
-    expect(storedSession[fqdn]![userId]!.identity.alias).toBe(userId)
+    expect(storedSession[fqdn]![userId]!.identity.alias).toBeUndefined()
     expect(got).toEqual(validTokens)
   })
 })

packages/cli-kit/src/private/node/session.ts

@@ -32,7 +32,7 @@ async function fetchEmail(businessPlatformToken: string | undefined): Promise<st
 
   try {
     const userEmailResult = await businessPlatformRequest<UserEmailQuery>(UserEmailQueryString, businessPlatformToken)
-    return userEmailResult.currentUserAccount?.email
+    return userEmailResult.currentUserAccount?.email ?? undefined
     // eslint-disable-next-line no-catch-all/no-catch-all
   } catch (error) {
     outputDebug(outputContent`Failed to fetch user email: ${(error as Error).message ?? String(error)}`)
@@ -227,15 +227,15 @@ ${outputToken.json(applications)}
   if (validationResult === 'needs_full_auth') {
     await throwOnNoPrompt(noPrompt)
     outputDebug(outputContent`Initiating the full authentication flow...`)
-    newSession = await executeCompleteFlow(applications)
+    newSession = await executeCompleteFlow(applications, currentSession?.identity.alias)
   } else if (validationResult === 'needs_refresh' || forceRefresh) {
     outputDebug(outputContent`The current session is valid but needs refresh. Refreshing...`)
     try {
       newSession = await refreshTokens(currentSession!, applications)
     } catch (error) {
       if (error instanceof InvalidGrantError) {
         await throwOnNoPrompt(noPrompt)
-        newSession = await executeCompleteFlow(applications)
+        newSession = await executeCompleteFlow(applications, currentSession?.identity.alias)
       } else if (error instanceof InvalidRequestError) {
         await sessionStore.remove()
         throw new AbortError('\nError validating auth session', "We've cleared the current session, please try again")
@@ -286,9 +286,9 @@ The CLI is currently unable to prompt for reauthentication.`,
  * Execute the full authentication flow.
  *
  * @param applications - An object containing the applications we need to be authenticated with.
- * @param alias - Optional alias to use for the session.
+ * @param existingAlias - Optional alias from a previous session to preserve if the email fetch fails.
  */
-async function executeCompleteFlow(applications: OAuthApplications): Promise<Session> {
+async function executeCompleteFlow(applications: OAuthApplications, existingAlias?: string): Promise<Session> {
   const scopes = getFlattenScopes(applications)
   if (firstPartyDev()) {
     outputDebug(outputContent`Authenticating as Shopify Employee...`)
@@ -311,9 +311,8 @@ async function executeCompleteFlow(applications: OAuthApplications): Promise<Ses
 
   outputDebug(outputContent`CLI token received (PCAT). Using it directly for API access...`)
 
-  // Get the alias for the session (email or userId)
-  // Use the PCAT identity token directly to fetch the email
-  const alias = (await fetchEmail(identityToken.accessToken)) ?? identityToken.userId
+  // Preserve existing alias if available, otherwise try fetching email
+  const alias = existingAlias ?? (await fetchEmail(identityToken.accessToken))
 
   const session: Session = {
     identity: {
@@ -388,6 +387,6 @@ function buildIdentityTokenFromEnv(
     ...identityTokenInformation,
     expiresAt: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000),
     scopes,
-    alias: identityTokenInformation.userId,
+    alias: undefined,
   }
 }

packages/cli-kit/src/private/node/session/store.test.ts

@@ -1,5 +1,5 @@
 import {Sessions} from './schema.js'
-import {store, fetch, remove, getSessionAlias, findSessionByAlias} from './store.js'
+import {store, fetch, remove, getSessionAlias, setSessionAlias, findSessionByAlias} from './store.js'
 import {getSessions, removeSessions, setSessions, removeCurrentSessionId} from '../conf-store.js'
 import {identityFqdn} from '../../../public/node/context/fqdn.js'
 
@@ -28,7 +28,6 @@ const mockSessions: Sessions = {
         expiresAt: new Date(),
         scopes: ['scope2'],
         userId: 'user2',
-        alias: 'user2',
       },
       applications: {},
     },
@@ -132,6 +131,54 @@ describe('session store', () => {
     })
   })
 
+  describe('setSessionAlias', () => {
+    test('updates alias for an existing user', async () => {
+      // Given
+      vi.mocked(getSessions).mockReturnValue(JSON.stringify(mockSessions))
+
+      // When
+      await setSessionAlias('user1', 'New Alias')
+
+      // Then
+      const storedSessions = JSON.parse(vi.mocked(setSessions).mock.calls[0]![0])
+      expect(storedSessions['identity.fqdn.com'].user1.identity.alias).toBe('New Alias')
+    })
+
+    test('does nothing when no sessions exist', async () => {
+      // Given
+      vi.mocked(getSessions).mockReturnValue(undefined)
+
+      // When
+      await setSessionAlias('user1', 'New Alias')
+
+      // Then
+      expect(setSessions).not.toHaveBeenCalled()
+    })
+
+    test('does nothing when user does not exist', async () => {
+      // Given
+      vi.mocked(getSessions).mockReturnValue(JSON.stringify(mockSessions))
+
+      // When
+      await setSessionAlias('nonexistent', 'New Alias')
+
+      // Then
+      expect(setSessions).not.toHaveBeenCalled()
+    })
+
+    test('does nothing when fqdn does not match', async () => {
+      // Given
+      vi.mocked(getSessions).mockReturnValue(JSON.stringify(mockSessions))
+      vi.mocked(identityFqdn).mockResolvedValue('different.fqdn.com')
+
+      // When
+      await setSessionAlias('user1', 'New Alias')
+
+      // Then
+      expect(setSessions).not.toHaveBeenCalled()
+    })
+  })
+
   describe('findSessionByAlias', () => {
     test('returns userId for existing alias', async () => {
       // Given

packages/cli-kit/src/private/node/session/store.ts

@@ -1,7 +1,7 @@
 import {SessionsSchema} from './schema.js'
 import {getSessions, removeCurrentSessionId, removeSessions, setSessions} from '../conf-store.js'
 import {identityFqdn} from '../../../public/node/context/fqdn.js'
-import type {Sessions} from './schema.js'
+import type {Session, Sessions} from './schema.js'
 
 /**
  * Serializes the session as a JSON and stores it in the system.
@@ -56,6 +56,24 @@ export async function getSessionAlias(userId: string): Promise<string | undefine
   return sessions[fqdn][userId].identity.alias
 }
 
+/**
+ * Sets the alias for a given user's session and persists it.
+ *
+ * @param userId - The user ID of the session to update.
+ * @param alias - The new alias to set.
+ */
+export async function setSessionAlias(userId: string, alias: string): Promise<void> {
+  const sessions = await fetch()
+  if (!sessions) return
+
+  const fqdn = await identityFqdn()
+  const session: Session | undefined = sessions[fqdn]?.[userId]
+  if (!session) return
+
+  session.identity.alias = alias
+  await store(sessions)
+}
+
 /**
  * Finds a session by its alias.
  *

packages/cli-kit/src/public/node/session-prompt.test.ts

@@ -1,5 +1,5 @@
 import {promptSessionSelect} from './session-prompt.js'
-import {renderSelectPrompt} from './ui.js'
+import {renderSelectPrompt, renderTextPrompt} from './ui.js'
 import {ensureAuthenticatedUser} from './session.js'
 import {identityFqdn} from './context/fqdn.js'
 import {setCurrentSessionId} from '../../private/node/conf-store.js'
@@ -34,8 +34,6 @@ const mockSessions: Sessions = {
         expiresAt: new Date(),
         scopes: ['scope2'],
         userId: 'user2',
-        // Default alias is same as userId
-        alias: 'user2',
       },
       applications: {},
     },
@@ -64,6 +62,21 @@ describe('promptSessionSelect', () => {
     expect(result).toEqual('new-alias')
   })
 
+  test('prompts for alias when no alias is stored', async () => {
+    // Given
+    vi.mocked(sessionStore.fetch).mockResolvedValue(undefined)
+    vi.mocked(sessionStore.getSessionAlias).mockResolvedValue(undefined)
+    vi.mocked(renderTextPrompt).mockResolvedValue('typed-alias')
+
+    // When
+    const result = await promptSessionSelect()
+
+    // Then
+    expect(renderTextPrompt).toHaveBeenCalled()
+    expect(sessionStore.setSessionAlias).toHaveBeenCalledWith('new-user-id', 'typed-alias')
+    expect(result).toEqual('typed-alias')
+  })
+
   test('prompts user to create new session with alias when no existing sessions', async () => {
     // Given
     vi.mocked(sessionStore.fetch).mockResolvedValue(undefined)
@@ -166,6 +179,25 @@ describe('promptSessionSelect', () => {
     expect(result).toEqual('custom-alias')
   })
 
+  test('prompts for alias when selecting "Log in with a different account" and no alias is stored', async () => {
+    // Given
+    vi.mocked(sessionStore.fetch).mockResolvedValue(mockSessions)
+    vi.mocked(renderSelectPrompt).mockResolvedValue('NEW_LOGIN')
+    vi.mocked(sessionStore.getSessionAlias).mockResolvedValue(undefined)
+    vi.mocked(renderTextPrompt).mockResolvedValue('my-work-account')
+
+    // When
+    const result = await promptSessionSelect()
+
+    // Then
+    expect(ensureAuthenticatedUser).toHaveBeenCalledWith({}, {forceNewSession: true})
+    expect(renderTextPrompt).toHaveBeenCalledWith({
+      message: 'Enter an alias for this account (e.g. your email or a nickname)',
+    })
+    expect(sessionStore.setSessionAlias).toHaveBeenCalledWith('new-user-id', 'my-work-account')
+    expect(result).toEqual('my-work-account')
+  })
+
   test('does not update alias for existing session when not provided', async () => {
     // Given
     vi.mocked(sessionStore.fetch).mockResolvedValue(mockSessions)

packages/cli-kit/src/public/node/session-prompt.ts

@@ -1,4 +1,4 @@
-import {renderSelectPrompt} from './ui.js'
+import {renderSelectPrompt, renderTextPrompt} from './ui.js'
 import {ensureAuthenticatedUser} from './session.js'
 import {identityFqdn} from './context/fqdn.js'
 import * as sessionStore from '../../private/node/session/store.js'
@@ -37,13 +37,23 @@ function buildSessionChoices(sessions: Sessions, fqdn: string): SessionChoice[]
 
 /**
  * Handles the new login flow.
+ * If no alias is stored (email couldn't be fetched), prompts the user for a friendly alias.
  *
  * @returns The alias of the authenticated user.
  */
 async function handleNewLogin(): Promise<string> {
   const result = await ensureAuthenticatedUser({}, {forceNewSession: true})
   const alias = await sessionStore.getSessionAlias(result.userId)
-  return alias ?? result.userId
+
+  if (!alias) {
+    const userAlias = await renderTextPrompt({
+      message: 'Enter an alias for this account (e.g. your email or a nickname)',
+    })
+    await sessionStore.setSessionAlias(result.userId, userAlias)
+    return userAlias
+  }
+
+  return alias
 }
 
 /**