facturajs/dist/util.js

Comunicación con los web services de AFIP utilizando nodejs.

"use strict";
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    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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    };
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        if (mod && mod.__esModule) return mod;
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        __setModuleDefault(result, mod);
        return result;
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.writeFile = exports.readFile = void 0;
exports.debug = debug;
exports.parseXml = parseXml;
exports.readStringFromFile = readStringFromFile;
exports.signMessage = signMessage;
const fs = __importStar(require("fs"));
const forge = __importStar(require("node-forge"));
const xml2js_1 = __importDefault(require("xml2js"));
const debug_1 = __importDefault(require("debug"));
const LOG_RUNTIME_LEVEL = parseProcessLevel();
const LOG_NAMESPACE = 'facturajs';
const debugLib = (0, debug_1.default)(LOG_NAMESPACE);
exports.readFile = fs.promises.readFile;
exports.writeFile = fs.promises.writeFile;
function parseProcessLevel() {
    if (typeof process.env.LOG_LEVEL !== 'undefined') {
        return parseInt(process.env.LOG_LEVEL, 10);
    }
    return 4;
}
function debug(level, ...rest) {
    if (LOG_RUNTIME_LEVEL < level) {
        return;
    }
    return debugLib(...rest);
}
function parseXml(xml) {
    const options = {
        explicitArray: false,
    };
    return new Promise((resolve, reject) => {
        xml2js_1.default.parseString(xml, options, (err, parsed) => {
            if (err) {
                reject(err);
            }
            else {
                resolve(parsed);
            }
        });
    });
}
async function readStringFromFile(path, encoding = 'utf8') {
    return (await (0, exports.readFile)(path)).toString(encoding);
}
function signMessage(message, cert, privateKey) {
    const p7 = forge.pkcs7.createSignedData();
    const authenticatedAttributes = [
        {
            type: forge.pki.oids.contentType,
            value: forge.pki.oids.data,
        },
        {
            type: forge.pki.oids.messageDigest,
        },
        {
            type: forge.pki.oids.signingTime,
            value: new Date(),
        },
    ];
    p7.content = forge.util.createBuffer(message, 'utf8');
    p7.addCertificate(cert);
    p7.addSigner({
        authenticatedAttributes: authenticatedAttributes,
        certificate: cert,
        digestAlgorithm: forge.pki.oids.sha256,
        key: privateKey,
    });
    p7.sign();
    const bytes = forge.asn1.toDer(p7.toAsn1()).getBytes();
    return Buffer.from(bytes, 'binary').toString('base64');
}
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