mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-11-26 07:57:56 +03:00
155 lines
9.6 KiB
JavaScript
155 lines
9.6 KiB
JavaScript
/**
|
|
* @description MeshCentral Common Library
|
|
* @author Ylian Saint-Hilaire
|
|
* @copyright Intel Corporation 2018
|
|
* @license Apache-2.0
|
|
* @version v0.0.1
|
|
*/
|
|
|
|
/*xjslint node: true */
|
|
/*xjslint plusplus: true */
|
|
/*xjslint maxlen: 256 */
|
|
/*jshint node: true */
|
|
/*jshint strict: false */
|
|
/*jshint esversion: 6 */
|
|
"use strict";
|
|
|
|
const crypto = require("crypto");
|
|
|
|
// Binary encoding and decoding functions
|
|
module.exports.ReadShort = function (v, p) { return (v.charCodeAt(p) << 8) + v.charCodeAt(p + 1); };
|
|
module.exports.ReadShortX = function (v, p) { return (v.charCodeAt(p + 1) << 8) + v.charCodeAt(p); };
|
|
module.exports.ReadInt = function (v, p) { return (v.charCodeAt(p) * 0x1000000) + (v.charCodeAt(p + 1) << 16) + (v.charCodeAt(p + 2) << 8) + v.charCodeAt(p + 3); }; // We use "*0x1000000" instead of "<<24" because the shift converts the number to signed int32.
|
|
module.exports.ReadIntX = function (v, p) { return (v.charCodeAt(p + 3) * 0x1000000) + (v.charCodeAt(p + 2) << 16) + (v.charCodeAt(p + 1) << 8) + v.charCodeAt(p); };
|
|
module.exports.ShortToStr = function (v) { return String.fromCharCode((v >> 8) & 0xFF, v & 0xFF); };
|
|
module.exports.ShortToStrX = function (v) { return String.fromCharCode(v & 0xFF, (v >> 8) & 0xFF); };
|
|
module.exports.IntToStr = function (v) { return String.fromCharCode((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF); };
|
|
module.exports.IntToStrX = function (v) { return String.fromCharCode(v & 0xFF, (v >> 8) & 0xFF, (v >> 16) & 0xFF, (v >> 24) & 0xFF); };
|
|
module.exports.MakeToArray = function (v) { if (!v || v == null || typeof v == "object") return v; return [v]; };
|
|
module.exports.SplitArray = function (v) { return v.split(","); };
|
|
module.exports.Clone = function (v) { return JSON.parse(JSON.stringify(v)); };
|
|
module.exports.IsFilenameValid = (function () { var x1 = /^[^\\/:\*\?"<>\|]+$/, x2 = /^\./, x3 = /^(nul|prn|con|lpt[0-9]|com[0-9])(\.|$)/i; return function isFilenameValid(fname) { return module.exports.validateString(fname, 1, 4096) && x1.test(fname) && !x2.test(fname) && !x3.test(fname) && (fname[0] != '.'); }; })();
|
|
|
|
// Move an element from one position in an array to a new position
|
|
module.exports.ArrayElementMove = function(arr, from, to) { arr.splice(to, 0, arr.splice(from, 1)[0]); };
|
|
|
|
// Print object for HTML
|
|
module.exports.ObjectToStringEx = function (x, c) {
|
|
var r = "", i;
|
|
if (x != 0 && (!x || x == null)) return "(Null)";
|
|
if (x instanceof Array) { for (i in x) { r += '<br />' + gap(c) + "Item #" + i + ": " + module.exports.ObjectToStringEx(x[i], c + 1); } }
|
|
else if (x instanceof Object) { for (i in x) { r += '<br />' + gap(c) + i + " = " + module.exports.ObjectToStringEx(x[i], c + 1); } }
|
|
else { r += x; }
|
|
return r;
|
|
};
|
|
|
|
// Print object for console
|
|
module.exports.ObjectToStringEx2 = function (x, c) {
|
|
var r = "", i;
|
|
if (x != 0 && (!x || x == null)) return "(Null)";
|
|
if (x instanceof Array) { for (i in x) { r += '\r\n' + gap2(c) + "Item #" + i + ": " + module.exports.ObjectToStringEx2(x[i], c + 1); } }
|
|
else if (x instanceof Object) { for (i in x) { r += '\r\n' + gap2(c) + i + " = " + module.exports.ObjectToStringEx2(x[i], c + 1); } }
|
|
else { r += x; }
|
|
return r;
|
|
};
|
|
|
|
// Create an ident gap
|
|
module.exports.gap = function (c) { var x = ''; for (var i = 0; i < (c * 4); i++) { x += ' '; } return x; };
|
|
module.exports.gap2 = function (c) { var x = ''; for (var i = 0; i < (c * 4); i++) { x += ' '; } return x; };
|
|
|
|
// Print an object in html
|
|
module.exports.ObjectToString = function (x) { return module.exports.ObjectToStringEx(x, 0); };
|
|
module.exports.ObjectToString2 = function (x) { return module.exports.ObjectToStringEx2(x, 0); };
|
|
|
|
// Convert a hex string to a raw string
|
|
module.exports.hex2rstr = function (d) {
|
|
var r = '', m = ('' + d).match(/../g), t;
|
|
while (t = m.shift()) { r += String.fromCharCode('0x' + t); }
|
|
return r;
|
|
};
|
|
|
|
// Convert decimal to hex
|
|
module.exports.char2hex = function (i) { return (i + 0x100).toString(16).substr(-2).toUpperCase(); };
|
|
|
|
// Convert a raw string to a hex string
|
|
module.exports.rstr2hex = function (input) {
|
|
var r = '', i;
|
|
for (i = 0; i < input.length; i++) { r += module.exports.char2hex(input.charCodeAt(i)); }
|
|
return r;
|
|
};
|
|
|
|
// UTF-8 encoding & decoding functions
|
|
module.exports.encode_utf8 = function (s) { return unescape(encodeURIComponent(s)); };
|
|
module.exports.decode_utf8 = function (s) { return decodeURIComponent(escape(s)); };
|
|
|
|
// Convert a string into a blob
|
|
module.exports.data2blob = function (data) {
|
|
var bytes = new Array(data.length);
|
|
for (var i = 0; i < data.length; i++) bytes[i] = data.charCodeAt(i);
|
|
var blob = new Blob([new Uint8Array(bytes)]);
|
|
return blob;
|
|
};
|
|
|
|
// Generate random numbers
|
|
module.exports.random = function (max) { return Math.floor(Math.random() * max); };
|
|
|
|
// Split a comma seperated string, ignoring commas in quotes.
|
|
module.exports.quoteSplit = function (str) {
|
|
var tmp = '', quote = 0, result = [];
|
|
for (var i in str) { if (str[i] == '"') { quote = (quote + 1) % 2; } if ((str[i] == ',') && (quote == 0)) { tmp = tmp.trim(); result.push(tmp); tmp = ''; } else { tmp += str[i]; } }
|
|
if (tmp.length > 0) result.push(tmp.trim());
|
|
return result;
|
|
};
|
|
|
|
// Convert list of "name = value" into object
|
|
module.exports.parseNameValueList = function (list) {
|
|
var result = [];
|
|
for (var i in list) {
|
|
var j = list[i].indexOf('=');
|
|
if (j > 0) {
|
|
var v = list[i].substring(j + 1).trim();
|
|
if ((v[0] == '"') && (v[v.length - 1] == '"')) { v = v.substring(1, v.length - 1); }
|
|
result[list[i].substring(0, j).trim()] = v;
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
// Compute the MD5 digest hash for a set of values
|
|
module.exports.ComputeDigesthash = function (username, password, realm, method, path, qop, nonce, nc, cnonce) {
|
|
var ha1 = crypto.createHash('md5').update(username + ":" + realm + ":" + password).digest("hex");
|
|
var ha2 = crypto.createHash('md5').update(method + ":" + path).digest("hex");
|
|
return crypto.createHash('md5').update(ha1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + ha2).digest("hex");
|
|
};
|
|
|
|
module.exports.toNumber = function (str) { var x = parseInt(str); if (x == str) return x; return str; };
|
|
module.exports.escapeHtml = function (string) { return String(string).replace(/[&<>"'`=\/]/g, function (s) { return { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''', '/': '/', '`': '`', '=': '=' }[s]; }); };
|
|
module.exports.escapeHtmlBreaks = function (string) { return String(string).replace(/[&<>"'`=\/]/g, function (s) { return { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''', '/': '/', '`': '`', '=': '=', '\r': '<br />', '\n': '' }[s]; }); };
|
|
|
|
// Lowercase all the names in a object recursively
|
|
module.exports.objKeysToLower = function (obj) {
|
|
for (var i in obj) {
|
|
if (i.toLowerCase() !== i) { obj[i.toLowerCase()] = obj[i]; delete obj[i]; } // LowerCase all key names
|
|
if (typeof obj[i] == 'object') { module.exports.objKeysToLower(obj[i]); } // LowerCase all key names in the child object
|
|
}
|
|
return obj;
|
|
};
|
|
|
|
// Escape and unexcape feild names so there are no invalid characters for MongoDB
|
|
module.exports.escapeFieldName = function (name) { return name.split('%').join('%25').split('.').join('%2E').split('$').join('%24'); };
|
|
module.exports.unEscapeFieldName = function (name) { return name.split('%2E').join('.').split('%24').join('$').split('%25').join('%'); };
|
|
|
|
// Escape all links
|
|
module.exports.escapeLinksFieldName = function (docx) { var doc = module.exports.Clone(docx); if (doc.links != null) { for (var j in doc.links) { var ue = module.exports.escapeFieldName(j); if (ue !== j) { doc.links[ue] = doc.links[j]; delete doc.links[j]; } } } return doc; };
|
|
module.exports.unEscapeLinksFieldName = function (doc) { if (doc.links != null) { for (var j in doc.links) { var ue = module.exports.unEscapeFieldName(j); if (ue !== j) { doc.links[ue] = doc.links[j]; delete doc.links[j]; } } } return doc; };
|
|
//module.exports.escapeAllLinksFieldName = function (docs) { for (var i in docs) { module.exports.escapeLinksFieldName(docs[i]); } };
|
|
module.exports.unEscapeAllLinksFieldName = function (docs) { for (var i in docs) { docs[i] = module.exports.unEscapeLinksFieldName(docs[i]); } };
|
|
|
|
// Validation methods
|
|
module.exports.validateString = function (str, minlen, maxlen) { return ((str != null) && (typeof str == 'string') && ((minlen == null) || (str.length >= minlen)) && ((maxlen == null) || (str.length <= maxlen))); };
|
|
module.exports.validateInt = function (int, minval, maxval) { return ((int != null) && (typeof int == 'number') && ((minval == null) || (int >= minval)) && ((maxval == null) || (int <= maxval))); };
|
|
module.exports.validateArray = function (array, minlen, maxlen) { return ((array != null) && Array.isArray(array) && ((minlen == null) || (array.length >= minlen)) && ((maxlen == null) || (array.length <= maxlen))); };
|
|
module.exports.validateStrArray = function (array, minlen, maxlen) { if (((array != null) && Array.isArray(array)) == false) return false; for (var i in array) { if ((typeof array[i] != 'string') && ((minlen == null) || (array[i].length >= minlen)) && ((maxlen == null) || (array[i].length <= maxlen))) return false; } return true; };
|
|
module.exports.validateObject = function (obj) { return ((obj != null) && (typeof obj == 'object')); };
|
|
module.exports.validateEmail = function (email, minlen, maxlen) { if (module.exports.validateString(email, minlen, maxlen) == false) return false; var emailReg = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/; return emailReg.test(email); };
|
|
module.exports.validateUsername = function (username, minlen, maxlen) { return (module.exports.validateString(username, minlen, maxlen) && (username.indexOf(' ') == -1)); }; |