"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.calculateJwkThumbprintUri = exports.calculateJwkThumbprint = void 0; const digest_js_1 = require("../runtime/digest.js"); const base64url_js_1 = require("../runtime/base64url.js"); const errors_js_1 = require("../util/errors.js"); const buffer_utils_js_1 = require("../lib/buffer_utils.js"); const is_object_js_1 = require("../lib/is_object.js"); const check = (value, description) => { if (typeof value !== 'string' || !value) { throw new errors_js_1.JWKInvalid(`${description} missing or invalid`); } }; async function calculateJwkThumbprint(jwk, digestAlgorithm) { if (!(0, is_object_js_1.default)(jwk)) { throw new TypeError('JWK must be an object'); } digestAlgorithm !== null && digestAlgorithm !== void 0 ? digestAlgorithm : (digestAlgorithm = 'sha256'); if (digestAlgorithm !== 'sha256' && digestAlgorithm !== 'sha384' && digestAlgorithm !== 'sha512') { throw new TypeError('digestAlgorithm must one of "sha256", "sha384", or "sha512"'); } let components; switch (jwk.kty) { case 'EC': check(jwk.crv, '"crv" (Curve) Parameter'); check(jwk.x, '"x" (X Coordinate) Parameter'); check(jwk.y, '"y" (Y Coordinate) Parameter'); components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x, y: jwk.y }; break; case 'OKP': check(jwk.crv, '"crv" (Subtype of Key Pair) Parameter'); check(jwk.x, '"x" (Public Key) Parameter'); components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x }; break; case 'RSA': check(jwk.e, '"e" (Exponent) Parameter'); check(jwk.n, '"n" (Modulus) Parameter'); components = { e: jwk.e, kty: jwk.kty, n: jwk.n }; break; case 'oct': check(jwk.k, '"k" (Key Value) Parameter'); components = { k: jwk.k, kty: jwk.kty }; break; default: throw new errors_js_1.JOSENotSupported('"kty" (Key Type) Parameter missing or unsupported'); } const data = buffer_utils_js_1.encoder.encode(JSON.stringify(components)); return (0, base64url_js_1.encode)(await (0, digest_js_1.default)(digestAlgorithm, data)); } exports.calculateJwkThumbprint = calculateJwkThumbprint; async function calculateJwkThumbprintUri(jwk, digestAlgorithm) { digestAlgorithm !== null && digestAlgorithm !== void 0 ? digestAlgorithm : (digestAlgorithm = 'sha256'); const thumbprint = await calculateJwkThumbprint(jwk, digestAlgorithm); return `urn:ietf:params:oauth:jwk-thumbprint:sha-${digestAlgorithm.slice(-3)}:${thumbprint}`; } exports.calculateJwkThumbprintUri = calculateJwkThumbprintUri;