xref: /expo/packages/expo-auth-session/build/AuthSession.js.map (revision cedf99eb)

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Constants, { ExecutionEnvironment } from 'expo-constants';\nimport * as Linking from 'expo-linking';\nimport { Platform } from 'expo-modules-core';\nimport {\n  dismissAuthSession,\n  openAuthSessionAsync,\n  WebBrowserAuthSessionResult,\n} from 'expo-web-browser';\n\nimport { AuthRequest } from './AuthRequest';\nimport {\n  AuthRequestConfig,\n  AuthRequestPromptOptions,\n  CodeChallengeMethod,\n  Prompt,\n  ResponseType,\n} from './AuthRequest.types';\nimport {\n  AuthSessionOptions,\n  AuthSessionRedirectUriOptions,\n  AuthSessionResult,\n} from './AuthSession.types';\nimport {\n  DiscoveryDocument,\n  fetchDiscoveryAsync,\n  Issuer,\n  IssuerOrDiscovery,\n  ProviderMetadata,\n  resolveDiscoveryAsync,\n} from './Discovery';\nimport { generateHexStringAsync } from './PKCE';\nimport { getQueryParams } from './QueryParams';\nimport sessionUrlProvider from './SessionUrlProvider';\n\nlet _authLock = false;\n\n// @needsAudit\n/**\n * Initiate a proxied authentication session with the given options. Only one `AuthSession` can be active at any given time in your application.\n * If you attempt to open a second session while one is still in progress, the second session will return a value to indicate that `AuthSession` is locked.\n *\n * @param options An object of type `AuthSessionOptions`.\n * @return Returns a Promise that resolves to an `AuthSessionResult` object.\n */\nexport async function startAsync(options: AuthSessionOptions): Promise<AuthSessionResult> {\n  const authUrl = options.authUrl;\n  // Prevent accidentally starting to an empty url\n  if (!authUrl) {\n    throw new Error(\n      'No authUrl provided to AuthSession.startAsync. An authUrl is required -- it points to the page where the user will be able to sign in.'\n    );\n  }\n  // Prevent multiple sessions from running at the same time, WebBrowser doesn't\n  // support it this makes the behavior predictable.\n  if (_authLock) {\n    if (__DEV__) {\n      console.warn(\n        'Attempted to call AuthSession.startAsync multiple times while already active. Only one AuthSession can be active at any given time.'\n      );\n    }\n\n    return { type: 'locked' };\n  }\n\n  const returnUrl = options.returnUrl || sessionUrlProvider.getDefaultReturnUrl();\n  const startUrl = sessionUrlProvider.getStartUrl(authUrl, returnUrl, options.projectNameForProxy);\n  const showInRecents = options.showInRecents || false;\n\n  // About to start session, set lock\n  _authLock = true;\n\n  let result: WebBrowserAuthSessionResult;\n  try {\n    result = await _openWebBrowserAsync(startUrl, returnUrl, showInRecents);\n  } finally {\n    // WebBrowser session complete, unset lock\n    _authLock = false;\n  }\n\n  // Handle failures\n  if (!result) {\n    throw new Error('Unexpected missing AuthSession result');\n  }\n  if (!('url' in result)) {\n    if ('type' in result) {\n      return result;\n    } else {\n      throw new Error('Unexpected AuthSession result with missing type');\n    }\n  }\n\n  const { params, errorCode } = getQueryParams(result.url);\n\n  return {\n    type: errorCode ? 'error' : 'success',\n    params,\n    errorCode,\n    authentication: null,\n    url: result.url,\n  };\n}\n\n// @needsAudit\n/**\n * Cancels an active `AuthSession` if there is one. No return value, but if there is an active `AuthSession`\n * then the Promise returned by the `AuthSession.startAsync()` that initiated it resolves to `{ type: 'dismiss' }`.\n */\nexport function dismiss() {\n  dismissAuthSession();\n}\n\nexport const getDefaultReturnUrl = sessionUrlProvider.getDefaultReturnUrl;\n\n// @needsAudit @docsMissing\n/**\n * Get the URL that your authentication provider needs to redirect to. For example: `https://auth.expo.io/@your-username/your-app-slug`. You can pass an additional path component to be appended to the default redirect URL.\n * > **Note** This method will throw an exception if you're using the bare workflow on native.\n *\n * @param path\n * @return\n *\n * @example\n * ```ts\n * const url = AuthSession.getRedirectUrl('redirect');\n *\n * // Managed: https://auth.expo.io/@your-username/your-app-slug/redirect\n * // Web: https://localhost:19006/redirect\n * ```\n *\n * @deprecated Use `makeRedirectUri()` instead.\n */\nexport function getRedirectUrl(path?: string): string {\n  return sessionUrlProvider.getRedirectUrl({ urlPath: path });\n}\n\n// @needsAudit\n/**\n * Create a redirect url for the current platform and environment. You need to manually define the redirect that will be used in\n * a bare workflow React Native app, or an Expo standalone app, this is because it cannot be inferred automatically.\n * - **Web:** Generates a path based on the current `window.location`. For production web apps, you should hard code the URL as well.\n * - **Managed workflow:** Uses the `scheme` property of your `app.config.js` or `app.json`.\n *   - **Proxy:** Uses `auth.expo.io` as the base URL for the path. This only works in Expo Go and standalone environments.\n * - **Bare workflow:** Will fallback to using the `native` option for bare workflow React Native apps.\n *\n * @param options Additional options for configuring the path.\n * @return The `redirectUri` to use in an authentication request.\n *\n * @example\n * ```ts\n * const redirectUri = makeRedirectUri({\n *   scheme: 'my-scheme',\n *   path: 'redirect'\n * });\n * // Development Build: my-scheme://redirect\n * // Expo Go: exp://127.0.0.1:19000/--/redirect\n * // Web dev: https://localhost:19006/redirect\n * // Web prod: https://yourwebsite.com/redirect\n *\n * const redirectUri2 = makeRedirectUri({\n *   scheme: 'scheme2',\n *   preferLocalhost: true,\n *   isTripleSlashed: true,\n * });\n * // Development Build: scheme2:///\n * // Expo Go: exp://localhost:19000\n * // Web dev: https://localhost:19006\n * // Web prod: https://yourwebsite.com\n * ```\n */\nexport function makeRedirectUri({\n  native,\n  scheme,\n  isTripleSlashed,\n  queryParams,\n  path,\n  preferLocalhost,\n  useProxy,\n  projectNameForProxy,\n}: AuthSessionRedirectUriOptions = {}): string {\n  if (\n    Platform.OS !== 'web' &&\n    native &&\n    [ExecutionEnvironment.Standalone, ExecutionEnvironment.Bare].includes(\n      Constants.executionEnvironment\n    )\n  ) {\n    // Should use the user-defined native scheme in standalone builds\n    return native;\n  }\n  if (!useProxy || Platform.OS === 'web') {\n    const url = Linking.createURL(path || '', {\n      isTripleSlashed,\n      scheme,\n      queryParams,\n    });\n\n    if (preferLocalhost) {\n      const ipAddress = url.match(\n        /\\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b/\n      );\n      // Only replace if an IP address exists\n      if (ipAddress?.length) {\n        const [protocol, path] = url.split(ipAddress[0]);\n        return `${protocol}localhost${path}`;\n      }\n    }\n\n    return url;\n  }\n  // Attempt to use the proxy\n  return sessionUrlProvider.getRedirectUrl({ urlPath: path, projectNameForProxy });\n}\n\n// @needsAudit\n/**\n * Build an `AuthRequest` and load it before returning.\n *\n * @param config A valid [`AuthRequestConfig`](#authrequestconfig) that specifies what provider to use.\n * @param issuerOrDiscovery A loaded [`DiscoveryDocument`](#discoverydocument) or issuer URL.\n * (Only `authorizationEndpoint` is required for requesting an authorization code).\n * @return Returns an instance of `AuthRequest` that can be used to prompt the user for authorization.\n */\nexport async function loadAsync(\n  config: AuthRequestConfig,\n  issuerOrDiscovery: IssuerOrDiscovery\n): Promise<AuthRequest> {\n  const request = new AuthRequest(config);\n  const discovery = await resolveDiscoveryAsync(issuerOrDiscovery);\n  await request.makeAuthUrlAsync(discovery);\n  return request;\n}\n\nasync function _openWebBrowserAsync(startUrl: string, returnUrl: string, showInRecents: boolean) {\n  const result = await openAuthSessionAsync(startUrl, returnUrl, { showInRecents });\n  if (result.type === 'cancel' || result.type === 'dismiss') {\n    return { type: result.type };\n  }\n\n  return result;\n}\n\nexport { useAutoDiscovery, useAuthRequest } from './AuthRequestHooks';\nexport { AuthError, TokenError } from './Errors';\n\nexport {\n  AuthSessionOptions,\n  AuthSessionRedirectUriOptions,\n  AuthSessionResult,\n  AuthRequest,\n  AuthRequestConfig,\n  AuthRequestPromptOptions,\n  CodeChallengeMethod,\n  DiscoveryDocument,\n  Issuer,\n  IssuerOrDiscovery,\n  Prompt,\n  ProviderMetadata,\n  ResponseType,\n  resolveDiscoveryAsync,\n  fetchDiscoveryAsync,\n  generateHexStringAsync,\n};\n\nexport {\n  // Token classes\n  TokenResponse,\n  AccessTokenRequest,\n  RefreshTokenRequest,\n  RevokeTokenRequest,\n  // Token methods\n  revokeAsync,\n  refreshAsync,\n  exchangeCodeAsync,\n  fetchUserInfoAsync,\n} from './TokenRequest';\n\n// Token types\nexport * from './TokenRequest.types';\n\n// Provider specific types\nexport { GoogleAuthRequestConfig } from './providers/Google';\nexport { FacebookAuthRequestConfig } from './providers/Facebook';\n"]}