Class OAuth2Client (9.0.0)

Inheritance

AuthClient > OAuth2Client

Package

Constructors

(constructor)(options)

constructor(options?: OAuth2ClientOptions);

Handles OAuth2 flow for Google APIs.

Parameter
Name	Description
`options`	`OAuth2ClientOptions`

(constructor)(clientId, clientSecret, redirectUri)

constructor(clientId?: string, clientSecret?: string, redirectUri?: string);

Constructs a new instance of the OAuth2Client class

Parameters
Name	Description
`clientId`	`string`
`clientSecret`	`string`
`redirectUri`	`string`

Properties

_clientId

_clientId?: string;

_clientSecret

_clientSecret?: string;

apiKey

apiKey?: string;

eagerRefreshThresholdMillis

eagerRefreshThresholdMillis: number;

forceRefreshOnFailure

forceRefreshOnFailure: boolean;

GOOGLE_TOKEN_INFO_URL

protected static readonly GOOGLE_TOKEN_INFO_URL = "https://oauth2.googleapis.com/tokeninfo";

projectId

projectId?: string;

refreshHandler

refreshHandler?: GetRefreshHandlerCallback;

refreshTokenPromises

protected refreshTokenPromises: Map<string, Promise<GetTokenResponse>>;

Methods

generateAuthUrl(opts)

generateAuthUrl(opts?: GenerateAuthUrlOpts): string;

Generates URL for consent page landing.

Parameter
Name	Description
`opts`	`GenerateAuthUrlOpts` Options. URL to consent page.

Returns
Type	Description
`string`

generateCodeVerifier()

generateCodeVerifier(): void;

Returns
Type	Description
`void`

generateCodeVerifierAsync()

generateCodeVerifierAsync(): Promise<CodeVerifierResults>;

Convenience method to automatically generate a code_verifier, and its resulting SHA256. If used, this must be paired with a S256 code_challenge_method.

For a full example see: https://github.com/googleapis/google-auth-library-nodejs/blob/main/samples/oauth2-codeVerifier.js

Returns
Type	Description
`Promise<CodeVerifierResults>`

getAccessToken()

getAccessToken(): Promise<GetAccessTokenResponse>;

Get a non-expired access token, after refreshing if necessary

Returns
Type	Description
`Promise<GetAccessTokenResponse>`

getAccessToken(callback)

getAccessToken(callback: GetAccessTokenCallback): void;

Parameter
Name	Description
`callback`	`GetAccessTokenCallback`

Returns
Type	Description
`void`

getFederatedSignonCerts()

getFederatedSignonCerts(): Promise<FederatedSignonCertsResponse>;

Gets federated sign-on certificates to use for verifying identity tokens. Returns certs as array structure, where keys are key ids, and values are certificates in either PEM or JWK format.

Returns
Type	Description
`Promise<FederatedSignonCertsResponse>`

getFederatedSignonCerts(callback)

getFederatedSignonCerts(callback: GetFederatedSignonCertsCallback): void;

Parameter
Name	Description
`callback`	`GetFederatedSignonCertsCallback`

Returns
Type	Description
`void`

getFederatedSignonCertsAsync()

getFederatedSignonCertsAsync(): Promise<FederatedSignonCertsResponse>;

Returns
Type	Description
`Promise<FederatedSignonCertsResponse>`

getIapPublicKeys()

getIapPublicKeys(): Promise<IapPublicKeysResponse>;

Gets federated sign-on certificates to use for verifying identity tokens. Returns certs as array structure, where keys are key ids, and values are certificates in either PEM or JWK format.

Returns
Type	Description
`Promise<IapPublicKeysResponse>`

getIapPublicKeys(callback)

getIapPublicKeys(callback: GetIapPublicKeysCallback): void;

Parameter
Name	Description
`callback`	`GetIapPublicKeysCallback`

Returns
Type	Description
`void`

getIapPublicKeysAsync()

getIapPublicKeysAsync(): Promise<IapPublicKeysResponse>;

Returns
Type	Description
`Promise<IapPublicKeysResponse>`

getRequestHeaders(url)

getRequestHeaders(url?: string): Promise<Headers>;

The main authentication interface. It takes an optional url which when present is the endpoint being accessed, and returns a Promise which resolves with authorization header fields.

In OAuth2Client, the result has the form: { Authorization: 'Bearer <access_token_value>' }

Parameter
Name	Description
`url`	`string` The optional url being authorized

Returns
Type	Description
`Promise<Headers>`

getRequestMetadataAsync(url)

protected getRequestMetadataAsync(url?: string | null): Promise<RequestMetadataResponse>;

Parameter
Name	Description
`url`	`string \| null`

Returns
Type	Description
`Promise<RequestMetadataResponse>`

getRevokeTokenUrl(token)

static getRevokeTokenUrl(token: string): string;

Generates an URL to revoke the given token.

Parameter
Name	Description
`token`	`string` The existing token to be revoked.

Returns
Type	Description
`string`

getToken(code)

getToken(code: string): Promise<GetTokenResponse>;

Gets the access token for the given code.

Parameter
Name	Description
`code`	`string` The authorization code.

Returns
Type	Description
`Promise<GetTokenResponse>`

getToken(options)

getToken(options: GetTokenOptions): Promise<GetTokenResponse>;

Parameter
Name	Description
`options`	`GetTokenOptions`

Returns
Type	Description
`Promise<GetTokenResponse>`

getToken(code, callback)

getToken(code: string, callback: GetTokenCallback): void;

Parameters
Name	Description
`code`	`string`
`callback`	`GetTokenCallback`

Returns
Type	Description
`void`

getToken(options, callback)

getToken(options: GetTokenOptions, callback: GetTokenCallback): void;

Parameters
Name	Description
`options`	`GetTokenOptions`
`callback`	`GetTokenCallback`

Returns
Type	Description
`void`

getTokenInfo(accessToken)

getTokenInfo(accessToken: string): Promise<TokenInfo>;

Obtains information about the provisioned access token. Especially useful if you want to check the scopes that were provisioned to a given token.

Parameter
Name	Description
`accessToken`	`string` Required. The Access Token for which you want to get user info.

Returns
Type	Description
`Promise<TokenInfo>`

isTokenExpiring()

protected isTokenExpiring(): boolean;

Returns true if a token is expired or will expire within eagerRefreshThresholdMillismilliseconds. If there is no expiry time, assumes the token is not expired or expiring.

Returns
Type	Description
`boolean`

refreshAccessToken()

refreshAccessToken(): Promise<RefreshAccessTokenResponse>;

Retrieves the access token using refresh token

Returns
Type	Description
`Promise<RefreshAccessTokenResponse>`

refreshAccessToken(callback)

refreshAccessToken(callback: RefreshAccessTokenCallback): void;

Parameter
Name	Description
`callback`	`RefreshAccessTokenCallback`

Returns
Type	Description
`void`

refreshToken(refreshToken)

protected refreshToken(refreshToken?: string | null): Promise<GetTokenResponse>;

Refreshes the access token.

Parameter
Name	Description
`refreshToken`	`string \| null`

Returns
Type	Description
`Promise<GetTokenResponse>`

refreshTokenNoCache(refreshToken)

protected refreshTokenNoCache(refreshToken?: string | null): Promise<GetTokenResponse>;

Parameter
Name	Description
`refreshToken`	`string \| null`

Returns
Type	Description
`Promise<GetTokenResponse>`

request(opts)

request<T>(opts: GaxiosOptions): GaxiosPromise<T>;

Provides a request implementation with OAuth 2.0 flow. If credentials have a refresh_token, in cases of HTTP 401 and 403 responses, it automatically asks for a new access token and replays the unsuccessful request.

Parameter
Name	Description
`opts`	`GaxiosOptions` Request options.

Returns
Type	Description
`GaxiosPromise<T>`

Type Parameter
Name	Description
`T`

request(opts, callback)

request<T>(opts: GaxiosOptions, callback: BodyResponseCallback<T>): void;

Parameters
Name	Description
`opts`	`GaxiosOptions`
`callback`	`BodyResponseCallback<T>`

Returns
Type	Description
`void`

Type Parameter
Name	Description
`T`

requestAsync(opts, retry)

protected requestAsync<T>(opts: GaxiosOptions, retry?: boolean): Promise<GaxiosResponse<T>>;

Parameters
Name	Description
`opts`	`GaxiosOptions`
`retry`	`boolean`

Returns
Type	Description
`Promise<GaxiosResponse<T>>`

Type Parameter
Name	Description
`T`

revokeCredentials()

revokeCredentials(): GaxiosPromise<RevokeCredentialsResult>;

Revokes access token and clears the credentials object

Returns
Type	Description
`GaxiosPromise<RevokeCredentialsResult>`

revokeCredentials(callback)

revokeCredentials(callback: BodyResponseCallback<RevokeCredentialsResult>): void;

Parameter
Name	Description
`callback`	`BodyResponseCallback<RevokeCredentialsResult>`

Returns
Type	Description
`void`

revokeToken(token)

revokeToken(token: string): GaxiosPromise<RevokeCredentialsResult>;

Revokes the access given to token.

Parameter
Name	Description
`token`	`string` The existing token to be revoked.

Returns
Type	Description
`GaxiosPromise<RevokeCredentialsResult>`

revokeToken(token, callback)

revokeToken(token: string, callback: BodyResponseCallback<RevokeCredentialsResult>): void;

Parameters
Name	Description
`token`	`string`
`callback`	`BodyResponseCallback<RevokeCredentialsResult>`

Returns
Type	Description
`void`

verifyIdToken(options)

verifyIdToken(options: VerifyIdTokenOptions): Promise<LoginTicket>;

Verify id token is token by checking the certs and audience

Parameter
Name	Description
`options`	`VerifyIdTokenOptions` that contains all options.

Returns
Type	Description
`Promise<LoginTicket>`

verifyIdToken(options, callback)

verifyIdToken(options: VerifyIdTokenOptions, callback: (err: Error | null, login?: LoginTicket) => void): void;

Parameters
Name	Description
`options`	`VerifyIdTokenOptions`
`callback`	`(err: Error \| null, login?: LoginTicket) => void`

Returns
Type	Description
`void`

verifySignedJwtWithCerts()

verifySignedJwtWithCerts(): void;

Returns
Type	Description
`void`

verifySignedJwtWithCertsAsync(jwt, certs, requiredAudience, issuers, maxExpiry)

verifySignedJwtWithCertsAsync(jwt: string, certs: Certificates | PublicKeys, requiredAudience?: string | string[], issuers?: string[], maxExpiry?: number): Promise<LoginTicket>;

Verify the id token is signed with the correct certificate and is from the correct audience.

Parameters
Name	Description
`jwt`	`string` The jwt to verify (The ID Token in this case).
`certs`	`Certificates \| PublicKeys` The array of certs to test the jwt against.
`requiredAudience`	`string \| string[]` The audience to test the jwt against.
`issuers`	`string[]` The allowed issuers of the jwt (Optional).
`maxExpiry`	`number` The max expiry the certificate can be (Optional). Returns a promise resolving to LoginTicket on verification.

Returns
Type	Description
`Promise<LoginTicket>`

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