ya-express-ntlm/dist/cjs/src/ntlm-parser/NTLMType1Parser.js

ya-express-ntlm

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NTLMType1Parser = void 0;
const AbstractParser_1 = require("./AbstractParser");
const parser_utils_1 = require("./parser-utils");
const parser_interfaces_1 = require("./parser-interfaces");
const flags_1 = require("./flags");
class NTLMType1Parser extends AbstractParser_1.AbstractParser {
    // eslint-disable-next-line no-useless-constructor
    constructor(buffer) {
        super(buffer);
    }
    parse() {
        const flag = new Uint32Array(this.buffer.slice(12, 16))[0];
        const result = {
            messageType: parser_interfaces_1.NTLMMessageType.NEGOTIATE_MESSAGE,
            flags: (0, parser_utils_1.getFlags)(flags_1.ntlmFlags, flag),
        };
        if (this.buffer.byteLength === 16) {
            // NTLM version 1.
            return result;
        }
        result.suppliedDomain = (0, parser_utils_1.getSecBuf)(this.buffer, 16);
        result.suppliedWorkstation = (0, parser_utils_1.getSecBuf)(this.buffer, 24);
        if (result.suppliedDomain.offset !== 32) {
            // NTLM version 3: OS Version structure.
            result.osVersionStructure = (0, parser_utils_1.getOSVersionStructure)(this.buffer, 32);
        }
        result.domain = (0, parser_utils_1.getSecBufData)(this.buffer, result.suppliedDomain, 'ascii');
        result.workstation = (0, parser_utils_1.getSecBufData)(this.buffer, result.suppliedWorkstation, 'ascii');
        return result;
    }
}
exports.NTLMType1Parser = NTLMType1Parser;
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