Files
genieacs/lib/common.ts
T

64 lines
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TypeScript

/**
* Copyright 2013-2019 GenieACS Inc.
*
* This file is part of GenieACS.
*
* GenieACS is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* GenieACS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
*/
export function generateDeviceId(
deviceIdStruct: Record<string, string>
): string {
// Escapes everything except alphanumerics and underscore
function esc(str): string {
return str.replace(/[^A-Za-z0-9_]/g, (chr) => {
const buf = Buffer.from(chr, "utf8");
let rep = "";
for (const b of buf) rep += "%" + b.toString(16).toUpperCase();
return rep;
});
}
// Guaranteeing globally unique id as defined in TR-069
if (deviceIdStruct["ProductClass"]) {
return (
esc(deviceIdStruct["OUI"]) +
"-" +
esc(deviceIdStruct["ProductClass"]) +
"-" +
esc(deviceIdStruct["SerialNumber"])
);
}
return esc(deviceIdStruct["OUI"]) + "-" + esc(deviceIdStruct["SerialNumber"]);
}
// Source: http://stackoverflow.com/a/6969486
export function escapeRegExp(str: string): string {
return str.replace(/[-[\]/{}()*+?.\\^$|]/g, "\\$&");
}
export function encodeTag(tag: string): string {
return encodeURIComponent(tag)
.replace(
/[!~*'().]/g,
(c) => "%" + c.charCodeAt(0).toString(16).toUpperCase()
)
.replace(/0x(?=[0-9A-Z]{2})/g, "0%78")
.replace(/%/g, "0x");
}
export function decodeTag(tag: string): string {
return decodeURIComponent(tag.replace(/0x(?=[0-9A-Z]{2})/g, "%"));
}