@nasriya/dns
Version:
A DNS manager for your domains
68 lines (67 loc) • 2.92 kB
JavaScript
class Helpers {
/**
* Print something on the debug level
* @param {string|any} message
* @returns {void}
*/
printConsole(message) {
if (process.env.HYPERCLOUD_SERVER_VERBOSE === 'TRUE') {
console.debug(message);
}
}
validate = Object.freeze({
/**
* Validate an IPv4 or IPv6 address
* @example
* // Example usage:
* console.log(validate.ipAddress('192.168.0.1')); // true
* console.log(validate.ipAddress('2001:0db8:85a3:0000:0000:8a2e:0370:7334')); // true
* console.log(validate.ipAddress('invalid')); // false
* @param {string} ip The IP address to validate
* @returns {boolean}
*/
ipAddress: (ip) => {
const ipPattern = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$|^([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}$|^([0-9a-fA-F]{1,4}:){1,7}:$|^([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}$|^([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}$|^([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}$|^([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}$|^([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}$|^[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})$|:^:$/;
return ipPattern.test(ip);
},
/**
* Pass domain(s) to check whether they're valid to be used for the SSL certificate
* @param {string|string[]} toCheck The domain(s) to check
* @returns {boolean}
*/
domains: (toCheck) => {
const regex = /^(\*\.)?([\w-]+\.)+[\w-]+$/;
if (typeof toCheck === 'string') {
return regex.test(toCheck);
}
else if (Array.isArray(toCheck)) {
const invalidDomains = [];
for (const domain of toCheck) {
if (!regex.test(domain)) {
invalidDomains.push(domain);
}
}
if (invalidDomains.length === 0) {
return true;
}
else {
this.printConsole(`You have used invalid domains for the SSL certificate, the domains are: ${invalidDomains.toString()}.`);
return false;
}
}
else {
throw new Error(`The value that was passed on the "validate.domains()" method is invalid. Expected a string or an array of strings but instead got ${typeof toCheck}`);
}
},
/**
* Check the syntax validity of an email address
* @param {string} email The email address to check
* @returns {boolean}
*/
email: (email) => {
const regex = /^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,})$/;
return regex.test(email);
}
});
}
export default new Helpers();