90 lines
2.2 KiB
TypeScript
90 lines
2.2 KiB
TypeScript
import * as plugins from './smartjwt.plugins';
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export interface ISmartJWTJSONKeypair {
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privatePem: string;
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publicPem: string;
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}
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/**
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* A class to create and validate JWTs and their keys
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*/
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export class SmartJwt<T extends object = any> {
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public smartcryptoInstance = new plugins.smartcrypto.Smartcrypto();
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public publicKey: plugins.smartcrypto.PublicKey;
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public privateKey: plugins.smartcrypto.PrivateKey;
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constructor() {}
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/**
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* creates a JWT
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*/
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public async createJWT(payloadArg: T) {
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return plugins.jsonwebtoken.sign(payloadArg, this.privateKey.toPemString(), {
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algorithm: 'RS256',
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});
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}
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/**
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* checks a JWT
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*/
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public async verifyJWTAndGetData(jwtArg: string): Promise<T> {
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const result = plugins.jsonwebtoken.verify(jwtArg, this.publicKey.toPemString(), {
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algorithms: ['RS256'],
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});
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return result as any;
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}
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/**
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* sets a private key to create jwts with
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*/
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public async setPrivateKey(privateKey: plugins.smartcrypto.PrivateKey) {
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this.privateKey = privateKey;
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}
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/**
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* sets a public key
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*/
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public async setPublicKey(publicKey: plugins.smartcrypto.PublicKey) {
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this.publicKey = publicKey;
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}
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/**
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* gets the currently set kaypair as json
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*/
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public getKeyPairAsJson(): ISmartJWTJSONKeypair {
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return {
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privatePem: this.privateKey.toPemString(),
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publicPem: this.publicKey.toPemString(),
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};
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}
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/**
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* sets the currently set keypair as json
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*/
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public setKeyPairAsJson(jsonKeyPair: ISmartJWTJSONKeypair) {
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this.privateKey = plugins.smartcrypto.PrivateKey.fromPemString(jsonKeyPair.privatePem);
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this.publicKey = plugins.smartcrypto.PublicKey.fromPemString(jsonKeyPair.publicPem);
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}
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/**
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* creates a new keypair
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*/
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public async createNewKeyPair() {
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const keypair = await this.smartcryptoInstance.createKeyPair();
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this.setPrivateKey(keypair.privateKey);
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this.setPublicKey(keypair.publicKey);
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}
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/**
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* when you just want to validate something
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* @param publicPemKey
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*/
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public setPublicPemKeyForVerification(publicPemKey: string) {
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this.publicKey = plugins.smartcrypto.PublicKey.fromPemString(publicPemKey);
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}
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public async init() {
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await this.createNewKeyPair();
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}
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}
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