@loopback/docs

--- lang: en title: 'API docs: authentication-jwt' keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI sidebar: lb4_sidebar editurl: https://github.com/loopbackio/loopback-next/tree/master/extensions/authentication-jwt permalink: /doc/en/lb4/apidocs.authentication-jwt.html ---  [Home](./index.md) > [@loopback/authentication-jwt](./authentication-jwt.md) ## authentication-jwt package [@loopback/authentication-jwt](https://github.com/loopbackio/loopback-next/tree/master/extensions/authentication-jwt) ## Classes <table><thead><tr><th> Class </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [JWTAuthenticationComponent](./authentication-jwt.jwtauthenticationcomponent.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [JWTAuthenticationStrategy](./authentication-jwt.jwtauthenticationstrategy.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [JWTService](./authentication-jwt.jwtservice.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [MyUserService](./authentication-jwt.myuserservice.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [RefreshToken](./authentication-jwt.refreshtoken.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [RefreshTokenRepository](./authentication-jwt.refreshtokenrepository.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [RefreshtokenService](./authentication-jwt.refreshtokenservice.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [SecuritySpecEnhancer](./authentication-jwt.securityspecenhancer.md) </td><td markdown="1"> A spec enhancer to add bearer token OpenAPI security entry to `spec.component.securitySchemes` </td></tr> <tr><td markdown="1"> [User](./authentication-jwt.user.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserCredentials](./authentication-jwt.usercredentials.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserCredentialsRepository](./authentication-jwt.usercredentialsrepository.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserRepository](./authentication-jwt.userrepository.md) </td><td markdown="1"> </td></tr> </tbody></table> ## Interfaces <table><thead><tr><th> Interface </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [RefreshTokenRelations](./authentication-jwt.refreshtokenrelations.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [RefreshTokenService](./authentication-jwt.refreshtokenservice.md) </td><td markdown="1"> The token refresh service. An access token expires in limited time. Therefore token refresh service is needed to keep replacing the old access token with a new one periodically. </td></tr> <tr><td markdown="1"> [UserCredentialsRelations](./authentication-jwt.usercredentialsrelations.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserRelations](./authentication-jwt.userrelations.md) </td><td markdown="1"> </td></tr> </tbody></table> ## Namespaces <table><thead><tr><th> Namespace </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [RefreshTokenConstants](./authentication-jwt.refreshtokenconstants.md) </td><td markdown="1"> Constant values used when generating refresh token. </td></tr> <tr><td markdown="1"> [RefreshTokenServiceBindings](./authentication-jwt.refreshtokenservicebindings.md) </td><td markdown="1"> Bindings related to token refresh service. The omitted explanation can be found in namespace `RefreshTokenConstants`. </td></tr> <tr><td markdown="1"> [TokenServiceBindings](./authentication-jwt.tokenservicebindings.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [TokenServiceConstants](./authentication-jwt.tokenserviceconstants.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserServiceBindings](./authentication-jwt.userservicebindings.md) </td><td markdown="1"> </td></tr> </tbody></table> ## Variables <table><thead><tr><th> Variable </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [OPERATION\_SECURITY\_SPEC](./authentication-jwt.operation_security_spec.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [SECURITY\_SCHEME\_SPEC](./authentication-jwt.security_scheme_spec.md) </td><td markdown="1"> </td></tr> </tbody></table> ## Type Aliases <table><thead><tr><th> Type Alias </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [Credentials](./authentication-jwt.credentials.md) </td><td markdown="1"> A pre-defined type for user credentials. It assumes a user logs in using the email and password. You can modify it if your app has different credential fields </td></tr> <tr><td markdown="1"> [RefereshTokenWithRelations](./authentication-jwt.refereshtokenwithrelations.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [SecuritySchemeObjects](./authentication-jwt.securityschemeobjects.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [TokenObject](./authentication-jwt.tokenobject.md) </td><td markdown="1"> Describes the token object that returned by the refresh token service functions. </td></tr> <tr><td markdown="1"> [UserCredentialsWithRelations](./authentication-jwt.usercredentialswithrelations.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [UserWithRelations](./authentication-jwt.userwithrelations.md) </td><td markdown="1"> </td></tr> </tbody></table>