@splitsoftware/splitio-commons
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Split JavaScript SDK common components
44 lines (43 loc) • 1.84 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.hashUserKey = exports.authenticateFactory = void 0;
var objectAssign_1 = require("../../../utils/lang/objectAssign");
var base64_1 = require("../../../utils/base64");
var jwt_1 = require("../../../utils/jwt");
var murmur3_1 = require("../../../utils/murmur3/murmur3");
/**
* Factory of authentication function.
*
* @param fetchAuth - `SplitAPI.fetchAuth` endpoint
*/
function authenticateFactory(fetchAuth) {
/**
* Run authentication requests to Auth Server, and returns a promise that resolves with the decoded JTW token.
* @param userKeys - set of user Keys to track membership updates. It is undefined for server-side API.
*/
return function authenticate(userKeys) {
return fetchAuth(userKeys)
.then(function (resp) { return resp.json(); })
.then(function (json) {
if (json.token) { // empty token when `"pushEnabled": false`
var decodedToken = (0, jwt_1.decodeJWTtoken)(json.token);
if (typeof decodedToken.iat !== 'number' || typeof decodedToken.exp !== 'number')
throw new Error('token properties "issuedAt" (iat) or "expiration" (exp) are missing or invalid');
var channels = JSON.parse(decodedToken['x-ably-capability']);
return (0, objectAssign_1.objectAssign)({
decodedToken: decodedToken,
channels: channels
}, json);
}
return json;
});
};
}
exports.authenticateFactory = authenticateFactory;
/**
* Returns the hash of a given user key
*/
function hashUserKey(userKey) {
return (0, base64_1.encodeToBase64)((0, murmur3_1.hash)(userKey, 0).toString());
}
exports.hashUserKey = hashUserKey;