ts-jose/dist/mjs/jwks.js

Wrap functions of JOSE in steady interface

import { JoseError } from './error.js';
import { JWK } from './jwk.js';
export class JWKS {
    constructor(keys) {
        this.keys = keys;
    }
    getKey(options = {}) {
        if (options.kid !== undefined) {
            const key = this.getKeyByKid(options.kid);
            if (key === undefined) {
                throw new JoseError('Keys', 'kid', options.kid);
            }
            else if (options.use !== undefined && key.use !== options.use) {
                throw new JoseError('Keys', 'use', key.use, options.use);
            }
            else if (options.alg !== undefined && key.alg !== undefined) {
                if (key.alg !== options.alg) {
                    throw new JoseError('Keys', 'alg', key.alg, options.alg);
                }
            }
            return key;
        }
        const keys1 = options.use !== undefined ? this.getKeyByUse(options.use) : this.keys;
        if (keys1.length === 0)
            throw new JoseError('Keys', 'use', options.use);
        const keys2 = options.alg !== undefined ? this.getKeyByAlg(options.alg, keys1) : keys1;
        if (keys2.length === 0)
            throw new JoseError('Keys', 'alg', options.alg);
        return keys2[0];
    }
    getKeyByKid(kid) {
        return this.keys.find((key) => key.kid === kid);
    }
    getKeyByUse(use, keys) {
        if (keys === undefined) {
            keys = this.keys;
        }
        return keys.filter((key) => key.use === use);
    }
    getKeyByAlg(alg, keys) {
        if (keys === undefined) {
            keys = this.keys;
        }
        return keys.filter((key) => key.alg === alg);
    }
    toObject() {
        return { keys: this.keys.map((key) => ({ ...key.metadata })) };
    }
    async toPublic() {
        const keys = await Promise.all(this.keys.map((key) => key.toPublic()));
        return new JWKS(keys);
    }
    static async fromObject(jwks) {
        const keys = [];
        for (const key of jwks.keys) {
            keys.push(await JWK.fromObject(key));
        }
        return new JWKS(keys);
    }
}
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