npm package: @magda/authentication-plugin-sdk
Description: MAGDA Authentication Plugin SDK
Latest version: 6.0.0-alpha.14

### MAGDA Authentication Plugin SDK

Please information please refer to the [Authentication Plugin Spec](https://github.com/magda-io/magda/blob/master/docs/docs/authentication-plugin-spec.md)

Existing Magda Authentication Plugins can be found from [here](https://github.com/magda-io?q=magda-auth).

You can use [this repo](https://github.com/magda-io/magda-auth-template) as [a template](https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/creating-a-repository-from-a-template) to create your own magda authentication plugin.

```typescript
/**
 * Create an express router that can be used to enable session on an express application.
 *
 * @export
 * @param {MagdaSessionRouterOptions} options
 * @returns {Router}
 */
export declare function createMagdaSessionRouter(
  options: MagdaSessionRouterOptions
): Router;

/**
 * Complete destroy Magda session and remove session cookie from the user agent
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {SessionCookieOptions} cookieOptions
 * @return {*}  {Promise<void>}
 */
export declare async function destroyMagdaSession(
  req: Request,
  res: Response,
  cookieOptions: SessionCookieOptions
): Promise<void>;

/**
 * Verify the user using the user profile received during the authentication.
 * If a user can be located, return UserToken type data.
 * Otherwise, create a new user and return UserToken type data .
 *
 * @export
 * @param {AuthApiClient} authApi
 * @param {passport.Profile} profile
 * @param {string} source
 * @param {(
 *         authApiClient: AuthApiClient,
 *         userData: User,
 *         profile: passport.Profile
 *     ) => Promise<User>} [beforeUserCreated] an optional handler that will be called just before a user is created.
 * The user data returned by this handler will be used to create a user record. The following parameters will be provided to the handler:
 * - authApiClient: Auth API Client. You can use it to add a role to the user.
 * - userData: the user data that is converted from the user profile received using the default conversion logic.
 * - profile: the user profile received
 *
 * @param {(
 *         authApiClient: AuthApiClient,
 *         user: User,
 *         profile: passport.Profile
 *     ) => Promise<void>} [afterUserCreated] an optional call that will be called when a user has just been created.
 * The following parameters will be provided to the handler:
 * - authApiClient: Auth API Client. You can use it to add a role to the user.
 * - user: the user data of the magda user that is just created.
 * - profile: the user profile received
 *
 * @returns {Promise<UserToken>}
 */
export declare function createOrGetUserToken(
  authApi: AuthApiClient,
  profile: passport.Profile,
  source: string,
  beforeUserCreated?: (
    authApiClient: AuthApiClient,
    userData: User,
    profile: passport.Profile
  ) => Promise<User>,
  afterUserCreated?: (
    authApiClient: AuthApiClient,
    user: User,
    profile: passport.Profile
  ) => Promise<void>
): Promise<UserToken>;

/**
 * Join `url` with `baseUrl` if `url` is not an absolute (full) url string
 *
 * @export
 * @param {string} url A full url string or a url path string (/a/b/c).
 * @param {string} baseUrl A baseUrl used to generate a full url when a url path string is supplied via the `url` parameter.
 * @param {{ [key: string]: string }} [optionalQueries]
 * @param {string[]} [allowedUrlHosts] Optional; when specify, the host of `url` parameter will only be used if it is included by this list.
 * @returns
 */
export declare function getAbsoluteUrl(
  url: string,
  baseUrl: string,
  optionalQueries?: {
    [key: string]: string;
  },
  allowedUrlHosts?: string[]
): string;

export declare function redirectOnSuccess(
  toURL: string,
  req: Request,
  res: Response
): void;

export declare function redirectOnError(
  err: any,
  toURL: string,
  req: Request,
  res: Response
): void;
```