node-expose-sspi-strict
Version:
Expose the Microsoft Windows SSPI interface in order to do NTLM and Kerberos authentication.
143 lines (142 loc) • 7.8 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
exports.connect = void 0;
var misc_1 = require("./misc");
var api_1 = require("../../lib/api");
var SSO_1 = require("./SSO");
var debug_1 = __importDefault(require("debug"));
var debug = debug_1["default"]('node-expose-sspi:connect');
/**
* Retrieves SSO information from an explicit credential (login/password and domain).
* The SSO information will be retrieved only if the credential
* matches a local account or a domain account.
*
* @param {sspi.UserCredential} userCredential
* @returns {SSO} the SSO object.
*/
function connect(userCredential) {
return __awaiter(this, void 0, void 0, function () {
var errorMsg, badLoginPasswordError, packageInfo, clientCred, serverCred, serverSecurityContext, clientSecurityContext, clientInput, serverInput, i, sso, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
errorMsg = 'Error while building the security context';
badLoginPasswordError = new Error('Sorry. Logon denied.');
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
packageInfo = api_1.sspi.QuerySecurityPackageInfo('Negotiate');
clientCred = api_1.sspi.AcquireCredentialsHandle({
packageName: 'Negotiate',
authData: userCredential
});
serverCred = api_1.sspi.AcquireCredentialsHandle({
packageName: 'Negotiate'
});
serverSecurityContext = void 0;
clientSecurityContext = void 0;
clientInput = {
credential: clientCred.credential,
targetName: 'kiki',
cbMaxToken: packageInfo.cbMaxToken
};
serverInput = {
credential: serverCred.credential,
clientSecurityContext: undefined
};
i = 0;
while (true) {
debug('i: ', i);
i++;
if (serverSecurityContext) {
clientInput.serverSecurityContext = serverSecurityContext;
clientInput.contextHandle = clientSecurityContext.contextHandle;
}
clientSecurityContext = api_1.sspi.InitializeSecurityContext(clientInput);
debug('clientSecurityContext: ', clientSecurityContext);
debug(misc_1.hexDump(clientSecurityContext.SecBufferDesc.buffers[0]));
if (clientSecurityContext.SECURITY_STATUS !== 'SEC_I_CONTINUE_NEEDED' &&
clientSecurityContext.SECURITY_STATUS !== 'SEC_E_OK') {
throw errorMsg;
}
serverInput.clientSecurityContext = clientSecurityContext;
if (serverSecurityContext) {
serverInput.contextHandle = serverSecurityContext.contextHandle;
}
serverSecurityContext = api_1.sspi.AcceptSecurityContext(serverInput);
debug('serverSecurityContext: ', serverSecurityContext);
if (serverSecurityContext.SECURITY_STATUS !== 'SEC_I_CONTINUE_NEEDED' &&
serverSecurityContext.SECURITY_STATUS !== 'SEC_E_OK') {
if (serverSecurityContext.SECURITY_STATUS === 'SEC_E_LOGON_DENIED') {
throw badLoginPasswordError;
}
throw errorMsg;
}
debug(misc_1.hexDump(serverSecurityContext.SecBufferDesc.buffers[0]));
if (serverSecurityContext.SECURITY_STATUS !== 'SEC_E_OK') {
continue;
}
// we have the security context !!!
debug('We have the security context !!!');
break;
}
sso = new SSO_1.SSO(serverSecurityContext.contextHandle);
return [4 /*yield*/, sso.load()];
case 2:
_a.sent();
if (sso.user.name === 'Guest') {
throw badLoginPasswordError;
}
return [2 /*return*/, sso];
case 3:
e_1 = _a.sent();
if (e_1 === badLoginPasswordError) {
throw e_1;
}
console.error('error', e_1);
throw e_1;
case 4: return [2 /*return*/];
}
});
});
}
exports.connect = connect;