@powerdot/verify-apple-id-token/dist/lib/verifyAppleIdToken.js

Verify the Apple id token on the server side.

"use strict";
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var __generator = (this && this.__generator) || function (thisArg, body) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.verifyToken = exports.getApplePublicKey = exports.JWKS_APPLE_URI = exports.APPLE_BASE_URL = void 0;
var jwt = require("jsonwebtoken");
var jwksClient = require("jwks-rsa");
exports.APPLE_BASE_URL = "https://appleid.apple.com";
exports.JWKS_APPLE_URI = "/auth/keys";
var getApplePublicKey = function (kid) { return __awaiter(void 0, void 0, void 0, function () {
    var client, key;
    return __generator(this, function (_a) {
        switch (_a.label) {
            case 0:
                client = jwksClient({
                    cache: true,
                    jwksUri: "".concat(exports.APPLE_BASE_URL).concat(exports.JWKS_APPLE_URI),
                });
                return [4 /*yield*/, new Promise(function (resolve, reject) {
                        client.getSigningKey(kid, function (error, result) {
                            if (error) {
                                return reject(error);
                            }
                            return resolve(result);
                        });
                    })];
            case 1:
                key = _a.sent();
                return [2 /*return*/, key.getPublicKey()];
        }
    });
}); };
exports.getApplePublicKey = getApplePublicKey;
var verifyToken = function (params) { return __awaiter(void 0, void 0, void 0, function () {
    var decoded, _a, kid, alg, applePublicKey, jwtClaims, isFounded;
    return __generator(this, function (_b) {
        switch (_b.label) {
            case 0:
                decoded = jwt.decode(params.idToken, { complete: true });
                _a = decoded.header, kid = _a.kid, alg = _a.alg;
                return [4 /*yield*/, (0, exports.getApplePublicKey)(kid)];
            case 1:
                applePublicKey = _b.sent();
                jwtClaims = jwt.verify(params.idToken, applePublicKey, {
                    algorithms: [alg],
                    nonce: params.nonce,
                });
                if ((jwtClaims === null || jwtClaims === void 0 ? void 0 : jwtClaims.iss) !== exports.APPLE_BASE_URL) {
                    throw new Error("The iss does not match the Apple URL - iss: ".concat(jwtClaims.iss, " | expected: ").concat(exports.APPLE_BASE_URL));
                }
                isFounded = []
                    .concat(jwtClaims.aud);
                if (isFounded) {
                    ["email_verified", "is_private_email"].forEach(function (field) {
                        if (jwtClaims[field] !== undefined) {
                            jwtClaims[field] = Boolean(jwtClaims[field]);
                        }
                    });
                    return [2 /*return*/, jwtClaims];
                }
                return [2 /*return*/];
        }
    });
}); };
exports.verifyToken = verifyToken;
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