nestjs-jwt-utils

Usage

Decode

``ts
import { JwtDecode } from "nestjs-jwt-utils"

@Controller()
export class AppController {
@Get('/profile')
profile(@JwtDecode() jwtData) {
return jwtData;
}
}
`

Guard


`ts
import { JwtDecode, JwtGuard, JwtScopesGuard } from "nestjs-jwt-utils"

@Controller()
export class AppController {
@UseGuards(new JwtGuard(({ role }) => role == 'admin'))
@Get('/profile')
profile(@JwtDecode() jwtData) {
return jwtData;
}

@UseGuards(new JwtScopesGuard(['users:admin']))
@Get('/users/:id')
profile() {
return {
success: true,
};
}
}
`

Custom Guard


`ts
import { JwtDecode } from "nestjs-jwt-utils"
import jsonwebtoken from 'jsonwebtoken';

class JwtVerifyGuard extends JwtGuard {
constructor() {
super((_decoded, jwt) => {
try {
jsonwebtoken.verify(jwt, 'shhhhh');
} catch {
return false;
}
});
}
}

@Controller()
export class AppController {
@UseGuards(JwtVerifyGuard)
@Get('/profile')
profile() {
return {};
}
}
`

Decode JWT from authorization header

`
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
``