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Asgardeo Auth React SDK

Builder Stackoverflow Join the chat at https://join.slack.com/t/wso2is/shared_invite/enQtNzk0MTI1OTg5NjM1LTllODZiMTYzMmY0YzljYjdhZGExZWVkZDUxOWVjZDJkZGIzNTE1NDllYWFhM2MyOGFjMDlkYzJjODJhOWQ4YjE License Twitter

Table of Content

Introduction

Asgardeo Auth React SDK for JavaScript allows React applications to use OIDC or OAuth2 authentication in a simple and secure way. By using Asgardeo and the Asgardeo Auth React SDK, developers will be able to add identity management to their React applications fast and secure.

Install

Install the library from the npm registry.

npm install --save @asgardeo/auth-react

Or simply load the SDK by importing the script into the header of your HTML file.

<script src="https://unpkg.com/@asgardeo/auth-react@0.1.26/dist/asgardeo-react.production.min.js.js"></script>

<script>
    var auth = AsgardeoAuth.AsgardeoSPAClient.getInstance();
</script>

Getting Started

// The SDK provides a provider that can be used to carry out the authentication.
// The `AuthProvider` is a React context.
// `useAuthContext` is a React hook that provides you with authentication methods such as `signIn`.
import { AuthProvider, useAuthContext } from "@asgardeo/auth-react";

// The config data.
const config = {
     signInRedirectURL: "https://localhost:5000/sign-in",
     signOutRedirectURL: "https://localhost:5000/dashboard",
     clientID: "client ID",
     serverOrigin: "https://localhost:9443"
};

// Encapsulate your components with the `AuthProvider`.
export const MyApp = (): ReactElement => {
    return (
        <AuthProvider config={ config }>
            <Dashboard />
        </AuthProvider>
    )
}

const Dashboard = (): ReactElement => {
    const { signIn } = useAuthContext();
    const [ signedIn, setSignedIn ] = useState(false);

    const handleClick = (): void => {
        signIn(() => {
            setSignedIn(true);
        });
    }

    return (
        <div>
            { signedIn && <div>You have signed in!</div> }
            <button onClick={handleClick}> Sign In </button>
        </div>
    );
}

}

Learn more.

Try Out the Sample Apps

1. Create a Service Provider

Before trying out the sample apps, you need to a create a service provider in the Identity Server.

  1. So, navigate to https://localhost:9443/carbon" and click on AddunderService Providers` in the left-hand menu panel.

  2. Enter Sample as the name of the app and click on Register.

  3. Then, expand the Inbound Authentication Configuration section. Under that, expand OAuth/OpenID Connect Configuration section and click on Configure.

  4. Under Allowed Grant Types uncheck everything except Code and Refresh Token.

  5. Enter the Callback URL(s). You can find the relevant callback URL(s) of each sample app in the Running the sample apps section.

  6. Check Allow authentication without the client secret.

  7. Click Add at the bottom.

  8. Copy the OAuth Client Key.

  9. Enable CORS for the client application by following this guide (https://is.docs.wso2.com/en/5.11.0/learn/cors/).

2. Running the sample apps

Build the apps by running the following command at the root directory.

npm run build

APIs

AuthProvider

This is a React Context Provider that provides the session state that contains information such as the authenticated user's display name, email address, etc., and the methods that are required to implement authentication in the React app. Like every other provider, the AuthProvider also encapsulates the components that would need the data provided by the provider.

The provider takes a prop called config that accepts a config object of type AuthClientConfig<Config>. This config object contains attributes that provide the configurations necessary for authentication. To learn more about what attributes the object takes, refer to the AuthClientConfig<Config> section.

Example

export const MyApp = (): ReactElement => {
    return (
        <AuthProvider config={ config }>
            <Dashboard />
        </AuthProvider>
    )
}

SecureRoute

The SDK also provides a component called SecureRoute that wraps the Route component provided by react-routerdom`. This allows you to secure your routes using the SDK. Only authenticated users will be taken to the route. The component let's you pass a callback function that would be fired if the user is not authenticated.

This component takes three props. The path and component props just relay the prop values directly to the Route component. The callback prop takes a callback function that is fired when an unauthenticated user access teh route. Developers can use this callback function to either to redirect the user to the login page of the app to call the signIn method.

Example

<SecureRoute path={ "/secure-page" } component={ <SecureComponent /> } callback={ callback } />

useAuthContext

This is a React hook that returns the session state that contains information such as the email address of the authenticated user and the methods that are required for implementing authentication.

Example

const { signIn } = useAuthContext();

The object returned by the useAuthContext has a state attribute the value of which is an object of type AuthStateInterface. You can refer the link to know more about what data is contained by the state object.

In addition to the state object, the hook also returns the following methods.

getBasicUserInfo

getBasicUserInfo(): Promise<BasicUserInfo>;

Returns

A Promise that resolves with BasicUserInfo.

Description

This method returns a promise that resolves with the information about the authenticated user obtained from the id token as an object. To learn more what information this object contains, refer to the BasicUserInfo section.

Example

auth.getBasicUserInfo().then((response) => {
    // console.log(response);
}).catch((error) => {
    // console.error(error);
});

signIn

signIn(callback?: (response: BasicUserInfo) => void, config?: SignInConfig, authorizationCode?: string, sessionState?: string);

Arguments

  1. callback?: (response: BasicUserInfo) => void A callback function that fires when sign-in is successful. The callback function takes an object of type BasicUserInfo as an argument.

  2. config?: SignInConfig (optional) An object that contains attributes that allows you to configure sign in. The forceInit attribute of this object, allows you to force a request to the .well-known endpoint even if a request has previously been sent. You can also pass key-value pairs that you want to be appended as path parameters to the authorization URL to this object. To learn more, refer to SignInConfig. This object is needed only during the authorization-url-generation phase.

  3. authorizationCode?: string (optional) The signIn method can be passed the authorization code as an argument, which will be used to obtain the token during the token-request phase of the method. This allows developers to use different response modes such as form_post. To learn more about the form_post method refer to the Using the form_post response mode section. If you're using the query method, then the signIn method automatically obtains the authorization code from the URL.

  4. sessionState?: string (optional) The signIn method can be passed the session state as an argument, which will be used to obtain the token during the token-request phase of the method. This allows developers to use different response modes such as form_post. To learn more about the form_post method refer to the Using the form_post response mode section. If you're using the query method, then the signIn method automatically obtains the session state from the URL.

Description

As the name implies, this method is used to sign-in users. This method will have to be called twice to implement the two phases of the authentication process. The first phase generates generates the authorization URl and takes the user to the single-sign-on page of the identity server, while second phase triggers the token request to complete the authentication process. So, this method should be called when initiating authentication and when the user is redirected back to the app after authentication themselves with the server.

The sign-in hook is used to fire a callback function after signing in is successful. Check the on() section for more information.

Example

auth.signIn();

signOut

signOut();

Description

This method ends the user session at the Identity Server and logs the user out.

The sign-out hook is used to fire a callback function after signing out is successful. Check the on() section for more information.

Example

auth.signOut();

httpRequest

httpRequest(config: `HttpRequestConfig`): Promise<HttpResponse>;

Arguments

  1. config: HttpRequestConfig A config object with the settings necessary to send http requests. This object is similar to the AxiosRequestConfig.

Returns

A Promise that resolves with the response.

Description

This method is used to send http requests to the Identity Server. The developer doesn't need to manually attach the access token since this method does it automatically.

If the storage type is set to sessionStorage or localStorage, the developer may choose to implement their own ways of sending http requests by obtaining the access token from the relevant storage medium and attaching it to the header. However, if the storage is set to webWorker, this is the ONLY way http requests can be sent.

This method accepts a config object which is of type AxiosRequestConfig. If you have used axios before, you can use the httpRequest in the exact same way.

For example, to get the user profile details after signing in, you can query the me endpoint as follows:

Example

const auth = AsgardeoSPAClient.getInstance();

const requestConfig = {
    headers: {
        "Accept": "application/json",
        "Content-Type": "application/scim+json"
    },
    method: "GET",
    url: "https://localhost:9443/scim2/me"
};

return auth.httpRequest(requestConfig)
    .then((response) => {
        // console.log(response);
    })
    .catch((error) => {
        // console.error(error);
    });

httpRequestAll

httpRequestAll(config[]: ): Promise<[]>;

Arguments

  1. config[]: HttpRequestConfig[] An array config objects with the settings necessary to send http requests. This object is similar to the AxiosRequestConfig.

Returns

A Promise that resolves with the responses.

Description

This method is used to send multiple http requests at the same time. This works similar to axios.all(). An array of config objects need to be passed as the argument and an array of responses will be returned in a Promise in the order in which the configs were passed.

Example

auth.httpRequestAll(configs).then((responses) => {
    response.forEach((response) => {
        // console.log(response);
    });
}).catch((error) => {
    // console.error(error);
});

requestCustomGrant

requestCustomGrant(config: CustomGranConfig, callback?: (response: BasicUserInfo | HttpResponse<any>) => void): Promise<HttpResponse | BasicUserInfo>;

Arguments

  1. config: CustomGrantConfig A config object to configure the custom-grant request. To learn more about the different attributes that can be used with config object, see the CustomGrantConfig section.
  2. callback?: (response: BasicUserInfo | HttpResponse) => void A callback function that takes an object of type BasicUserInfo or HttpResponse (depending on the config) as an argument and is fired when the request is successful.

Returns

A Promise that resolves either with the response or the BasicUserInfo.

Description

This method allows developers to use custom grants provided by their Identity Servers. This method accepts an object that has the following attributes as the argument.

The custom-grant hook is used to fire a callback function after a custom grant request is successful. Check the on() section for more information.

    const config = {
      attachToken: false,
      data: {
          client_id: "{{clientID}}",
          grant_type: "account_switch",
          scope: "{{scope}}",
          token: "{{token}}",
      },
      id: "account-switch",
      returnResponse: true,
      returnsSession: true,
      signInRequired: true
    }

    auth.requestCustomGrant(config).then((response)=>{
        console.log(response);
    }).catch((error)=>{
        console.error(error);
    });

revokeAccessToken

revokeAccessToken();

Description

This method revokes the access token and clears the session information from the storage.

The end-user-session hook is used to fire a callback function after end user session is successful. Check the on() section for more information.

Example

auth.revokeAccessToken();

getOIDCServiceEndpoints

getOIDCServiceEndpoints(): Promise<OIDCEndpoints>

Returns

A Promise that resolves with an object containing the endpoints. To learn more about what endpoints are returned, refer to the OIDCEndpoints section.

Description

This method returns a promise that resolves with an object containing the OIDC endpoints obtained from the .well-known endpoint. The object contains the following attributes.

Attribute Description
"authorize" The endpoint to which the authorization request should be sent.
"jwks" The endpoint from which JSON Web Key Set can be obtained.
"oidcSessionIFrame" The URL of the page that should be loaded in an IFrame to get session information.
"revoke" The endpoint to which the revoke-token request should be sent.
"token" The endpoint to which the token request should be sent.
"wellKnown" The well-known endpoint from which OpenID endpoints of the server can be obtained.

Example

auth.getOIDCServiceEndpoints().then((endpoints) => {
    // console.log(endpoints);
}).error((error) => {
    // console.error(error);
});

getDecodedIDToken

getDecodedIDToken(): Promise<DecodedIDTokenPayload>

Returns

A promise that returns with the DecodedIDTokenPayload object.

Description

This method returns a promise that resolves with the decoded payload of the JWT ID token.

Example

auth.getDecodedIDToken().then((idToken) => {
    // console.log(idToken);
}).error((error) => {
    // console.error(error);
});

getIDToken

getIDToken(): Promise<string>

Returns

idToken: Promise<string> The id token.

Description

This method returns the id token.

Example

const idToken = await auth.getIDToken();

getAccessToken

getAccessToken(): Promise<string>;

Returns

A Promise that resolves with the access token.

Description

This returns a promise that resolves with the access token. The promise resolves successfully only if the storage type is set to a type other than webWorker. Otherwise an error is thrown.

Example

auth.getAccessToken().then((token) => {
    // console.log(token);
}).error((error) => {
    // console.error(error);
});

refreshAccessToken

refreshAccessToken(): Promise<BasicUserInfo>;

Returns

A Promise that resolves with the BasicUserInfo object.

Description

This refreshes the access token and stores the refreshed session information in either the session or local storage as per your configuration. Note that this method cannot be used when the storage type is set to webWorker since the web worker automatically refreshes the token and there is no need for the developer to do it.

This method also returns a Promise that resolves with an object containing the attributes mentioned in the table below.

Attribute Description
"accessToken" The new access token
"expiresIn" The expiry time in seconds
"idToken" The ID token
"refreshToken" The refresh token
"scope" The scope of the access token
"tokenType" The type of the token. E.g.: Bearer

Example

auth.refreshToken().then((response)=>{
      // console.log(response);
 }).catch((error)=>{
      // console.error(error);
});

on

on(hook: string, callback: () => void, id?: string): void

Arguments

  1. hook: string The name of the hook.
  2. callback: () => void The callback function that should be fired.
  3. id?: string An id for the method. This is required only when the hook type is custom-grant.

Description

The on method is used to hook callback functions to authentication methods. The method accepts a hook name and a callback function as the only arguments except when the hook name is "custom-grant", in which case the id of the custom grant should be passed as the third argument. The following hooks are available.

If you are using TypeScript, you may want to use the Hooks enum that consists of the following string literals instead of directly inputting the string value.

Hook Method to which the callback function is attached Returned Response
"sign-in" signIn() The user information. See getUserInfo()'s return type for more details.
"sign-out" signOut()
"initialize" initialize() A boolean value indicating if the initialization was successful or not.
"http-request-start" httpRequest() (Called before an http request is sent)
"http-request-finish" httpRequest() (Called after an http request is sent and response is received.)
"http-request-error" httpRequest() (Called when an http request returns an error)
"http-request-success" httpRequest() (Called when an http requests returns a response successfully)
"end-user-session" endUserSession() A boolean value indicating if the process was successful or not
"custom-grant" customGrant() Returns the response from the custom grant request.

When the user signs out, the user is taken to the identity server's logout page and then redirected back to the SPA on successful log out. Hence, developers should ensure that the "sign-out" hook is called when the page the user is redirected to loads.

Example

auth.on("sign-in", () => {
    //called after signing in.
});

isAuthenticated

isAuthenticated(): boolean

Returns

isAuth: boolean A boolean value that indicates of the user is authenticated or not.

Description

This method returns a boolean value indicating if the user is authenticated or not.

Example

const isAuth = auth.isAuthenticated();

enableHttpHandler

enableHttpHandler(): Promise<Boolean>

Returns

A Promise that resolves with a boolean value indicating if the call was successful.

Description

This enables the callback functions attached to the http client. The callback functions are enabled by default. This needs to be called only if the disableHttpHandler method was called previously.

Example

auth.enableHttpHandler();

disableHttpHandler

disableHttpHandler(): Promise<boolean>

Returns

A Promise that resolves with a boolean value indicating if the call was successful.

Description

This disables the callback functions attached to the http client.

Example

auth.disableHttpHandler();

updateConfig

updateConfig(config: Partial<AuthClientConfig<T>>): void

Arguments

  1. config: AuthClientConfig<T>

The config object containing the attributes that can be used to configure the SDK. To learn more about the available attributes, refer to the AuthClientConfig>T> model.

Description

This method can be used to update the configurations passed into the constructor of the AsgardeoAuthClient. Please note that every attribute in the config object passed as the argument here is optional. Use this method if you want to update certain attributes after instantiating the class.

Example

auth.updateConfig({
    signOutRedirectURL: "https://localhost:5000/sign-out"
});

getHttpClient

auth.getHttpClient(): `HttpClientInstance`

Returns

An HttpClientInstance

Description

This method returns the HttpClientInstance. This is the client that is used to send http requests internally.

Example

const httpClient = auth.getHttpClient();

Using the form_post response mode

When the responseMode is set to form_post, the authorization code is sent in the body of a POST request as opposed to in the URL. So, the Single Page Application should have a backend to receive the authorization code and send it back to the Single Page Application.

The backend can then inject the authorization code into a JavaSCript variable while rendering the webpage in the server side. But this results in the authorization code getting printed in the HTML of the page creating a threat vector.

To address this issue, we recommend storing the authorization code in a server session variable and providing the Single Page Application a separate API endpoint to request the authorization code. The server, when the request is received, can then respond with the authorization code from the server session.

form_post auth code flow

You can refer to a sample implementation using JSP here.

Storage

Asgardeo allows the session information including the access token to be stored in three different places, namely,

  1. Session storage
  2. Local storage
  3. Web worker
  4. Browser memory

Of the four methods, storing the session information in the web worker is the safest method. This is because the web worker cannot be accessed by third-party libraries and data there cannot be stolen through XSS attacks. However, when using a web worker to store the session information, the httpRequest method has to be used to send http requests. This method will route the request through the web worker and the web worker will attach the access token to the request before sending it to the server.

auth.initialize(config);

Models

AuthStateInterface

Attribute Type Description
allowedScopes string The scopes that are allowed for the user.
displayName string The display name of the user.
email string The email address of the user.
isAuthenticated boolean Specifies if the user is authenticated or not.
username string The username of the user.

AuthClientConfig<Config>

The AuthClientConfig<Config> interface extends the AuthClientConfig<T> interface provided by the Asgardeo JavaScript Auth SDK with the Config interface. This table lists the attributes that the AuthClientConfig<T> interface takes.

This table shows the extended attributes provided by the Config interface.

Attribute Required/Optional Type Default Value Description
storage Optional "sessionStorage", "webWorker", "localStorage" "sessionStorage" The storage medium where the session information such as the access token should be stored.
resourceServerURLs Required if the storage is set to webWorker string[] [] The URLs of the API endpoints. This is needed only if the storage method is set to webWorker. When API calls are made through the httpRequest or the httpRequestAll method, only the calls to the endpoints specified in the baseURL attribute will be allowed. Everything else will be denied.
requestTimeout Optional number 60000 (seconds) Specifies in seconds how long a request to the web worker should wait before being timed out.

The AuthClientConfig Interface

| Attribute | Required/Optional | Type | Default Value | Description | | ---------------------------- | ----------------- | --------------- | ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | | signInRedirectURL | Required | string | "" | The URL to redirect to after the user authorizes the client app. eg: https//localhost:5000/sign-in | | signOutRedirectURL | Optional | string | The signInRedirectURL URL will be used if this value is not provided. | The URL to redirect to after the user | signs out. eg: https://localhost:5000/dashboard | | clientHost | Optional | string | The origin of the client app obtained using window.origin | The hostname of the client app. eg: https://localhost:5000 | | clientID | Required | string | "" | The client ID of the OIDC application hosted in the Asgardeo. | | clientSecret | Optional | string | "" | The client secret of the OIDC application | | enablePKCE | Optional | boolean | true | Specifies if a PKCE should be sent with the request for the authorization code. | | prompt | Optional | string | "" | Specifies the prompt type of an OIDC request | | responseMode | Optional | ResponseMode | "query" | Specifies the response mode. The value can either be query or form_post | | scope | Optional | string[] | ["openid"] | Specifies the requested scopes. | | serverOrigin | Required | string | "" | The origin of the Identity Provider. eg: https://www.asgardeo.io | | endpoints | Optional | OIDCEndpoints | OIDC Endpoints Default Values | The OIDC endpoint URLs. The SDK will try to obtain the endpoint URLS | using the .well-known endpoint. If this fails, the SDK will use these endpoint URLs. If this attribute is not set, then the default endpoint URLs will be | used. However, if the overrideWellEndpointConfig is set to true, then this will override the endpoints obtained from the .well-known endpoint. | | overrideWellEndpointConfig | Optional | boolean | false | If this option is set to true, then the endpoints object will override endpoints obtained | from the .well-known endpoint. If this is set to false, then this will be used as a fallback if the request to the .well-known endpoint fails. | | wellKnownEndpoint | Optional | string | "/oauth2/token/.well-known/openid-configuration" | The URL of the .well-known endpoint. | | validateIDToken | Optional | boolean | true | Allows you to enable/disable JWT ID token validation after obtaining the ID token. | | clockTolerance | Optional | number | 60 | Allows you to configure the leeway when validating the id_token. |

BasicUserInfo

Attribute Type Description
email string The email address of the user.
username string The username of the user.
displayName string The display name of the user. It is the preferred_username in the id token payload or the sub.
allowedScopes string The scopes allowed for the user.
tenantDomain string The tenant domain to which the user belongs.
sessionState string The session state.

SignInConfig

Method Required/Optional Type Default Value Description
fidp Optional string "" The fidp parameter that can be used to redirect a user directly to an IdP's sign-in page.
forceInit Optional boolean false Forces obtaining the OIDC endpoints from the .well-known endpoint. A request to this endpoint is not sent if a request has already been sent. This forces a request.
key: string Optional string | boolean "" Any key-value pair to be appended as path parameters to the authorization URL.

OIDCEndpoints

Method Type Default Value Description
authorizationEndpoint string "/oauth2/authorize" The authorization endpoint.
tokenEndpoint string "/oauth2/token" The token endpoint.
userinfoEndpoint string "" The user-info endpoint.
jwksUri string "/oauth2/jwks" The JWKS URI.
registrationEndpoint string "" The registration endpoint.
revocationEndpoint string "/oauth2/revoke" The token-revocation endpoint.
introspectionEndpoint string "" The introspection endpoint.
checkSessionIframe string "/oidc/checksession" The check-session endpoint.
endSessionEndpoint string "/oidc/logout" The end-session endpoint.
issuer string "" The issuer of the token.
wellKnownEndpoint string "/oauth2/token/.well-known/openid-configuration" The well-known endpoint. This is the default endpoint defined in the SDK.

CustomGrantConfig

Attribute Required/Optional Type Default Value Description
id Required string "" Every custom-grant request should have an id. This attributes takes that id.
data Required any null The data that should be sent in the body of the custom-grant request. You can use template tags to send session information. Refer to the Custom Grant Template Tags section for more details.
signInRequired Required boolean false Specifies if the user should be sign-in or not to dispatch this custom-grant request.
attachToken Required boolean false Specifies if the access token should be attached to the header of the request.
returnsSession Required boolean false Specifies if the the request returns session information such as the access token.

Custom Grant Template Tags

Session information can be attached to the body of a custom-grant request using template tags. This is useful when the session information is not exposed outside the SDK but you want such information to be used in custom-grant requests. The following table lists the available template tags.

Tag Data
"{{token}}" The access token.
{{username}}" The username.
"{{scope}}" The scope.
{{clientID}}" The client ID.
"{{clientSecret}}" The client secret.

The data attribute

DecodedIDTokenPayload

Method Type Description
aud string | string[] The audience.
sub string The subject. This is the username of the user.
iss string The token issuer.
email string The email address.
preferred_username string The preferred username.
tenant_domain string The tenant domain to which the user belongs.

Develop

Prerequisites

  • Node.js (version 10 or above).
  • npm package manager.

Installing Dependencies

The repository is a mono repository. The SDK repository is found in the oidc-js-sdk directory. You can install the dependencies by running the following command at the root.

npm run build

Contribute

Please read Contributing to the Code Base for details on our code of conduct, and the process for submitting pull requests to us.

Reporting issues

We encourage you to report issues, improvements, and feature requests creating Github Issues.

Important: And please be advised that security issues must be reported to security@wso2com, not as GitHub issues, in order to reach the proper audience. We strongly advise following the WSO2 Security Vulnerability Reporting Guidelines when reporting the security issues.

License

This project is licensed under the Apache License 2.0. See the LICENSE file for details.

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