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[@salesforce/b2c-tooling-sdk](../../modules.md) / [auth](../index.md) / OAuthStrategy

# Class: OAuthStrategy

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:34](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L34)

## Implements

- [`AuthStrategy`](../interfaces/AuthStrategy.md)

## Constructors

### Constructor

> **new OAuthStrategy**(`config`): `OAuthStrategy`

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:38](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L38)

#### Parameters

##### config

[`OAuthConfig`](../interfaces/OAuthConfig.md)

#### Returns

`OAuthStrategy`

## Methods

### fetch()

> **fetch**(`url`, `init`): `Promise`\<`Response`\>

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:42](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L42)

Performs a fetch request with authentication.
Implementations MUST handle header injection and 401 retries (token refresh) internally.

#### Parameters

##### url

`string`

##### init

[`FetchInit`](../type-aliases/FetchInit.md) = `{}`

#### Returns

`Promise`\<`Response`\>

#### Implementation of

[`AuthStrategy`](../interfaces/AuthStrategy.md).[`fetch`](../interfaces/AuthStrategy.md#fetch)

***

### getAuthorizationHeader()

> **getAuthorizationHeader**(): `Promise`\<`string`\>

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:70](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L70)

Optional: Helper for legacy clients (like a strict WebDAV lib) that need the raw header.

#### Returns

`Promise`\<`string`\>

#### Implementation of

[`AuthStrategy`](../interfaces/AuthStrategy.md).[`getAuthorizationHeader`](../interfaces/AuthStrategy.md#getauthorizationheader)

***

### getJWT()

> **getJWT**(): `Promise`\<[`DecodedJWT`](../interfaces/DecodedJWT.md)\>

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:78](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L78)

Gets the decoded JWT payload

#### Returns

`Promise`\<[`DecodedJWT`](../interfaces/DecodedJWT.md)\>

***

### getTokenResponse()

> **getTokenResponse**(): `Promise`\<[`AccessTokenResponse`](../interfaces/AccessTokenResponse.md)\>

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:87](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L87)

Gets the full token response including expiration and scopes.
Useful for commands that need to display or return token metadata.

#### Returns

`Promise`\<[`AccessTokenResponse`](../interfaces/AccessTokenResponse.md)\>

***

### invalidateToken()

> **invalidateToken**(): `void`

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:111](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L111)

Invalidates the cached token, forcing re-authentication on next request

#### Returns

`void`

#### Implementation of

[`AuthStrategy`](../interfaces/AuthStrategy.md).[`invalidateToken`](../interfaces/AuthStrategy.md#invalidatetoken)

***

### withAdditionalScopes()

> **withAdditionalScopes**(`additionalScopes`): `OAuthStrategy`

Defined in: [packages/b2c-tooling-sdk/src/auth/oauth.ts:122](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/auth/oauth.ts#L122)

Creates a new OAuthStrategy with additional scopes merged in.
Used by clients that have specific scope requirements.

#### Parameters

##### additionalScopes

`string`[]

Scopes to add to this strategy's existing scopes

#### Returns

`OAuthStrategy`

A new OAuthStrategy instance with merged scopes