cloudflare/ts/cloudflare.utils.ts

132 lines
4.0 KiB
TypeScript

import * as plugins from './cloudflare.plugins.js';
import { logger } from './cloudflare.logger.js';
export class CloudflareUtils {
/**
* Validates if a domain name is properly formatted
* @param domainName Domain name to validate
* @returns True if the domain is valid
*/
public static isValidDomain(domainName: string): boolean {
try {
const domain = new plugins.smartstring.Domain(domainName);
// Check if the domain has at least a TLD and a name
return domain.fullName.includes('.') && domain.zoneName.length > 0;
} catch (error) {
return false;
}
}
/**
* Extracts the zone name (apex domain) from a full domain
* @param domainName Domain name to process
* @returns Zone name (apex domain)
*/
public static getZoneName(domainName: string): string {
try {
const domain = new plugins.smartstring.Domain(domainName);
return domain.zoneName;
} catch (error) {
logger.log('error', `Invalid domain name: ${domainName}`);
throw new Error(`Invalid domain name: ${domainName}`);
}
}
/**
* Checks if a string is a valid Cloudflare API token
* @param token API token to validate
* @returns True if the token format is valid
*/
public static isValidApiToken(token: string): boolean {
// Cloudflare API tokens are typically 40+ characters long and start with specific patterns
return /^[A-Za-z0-9_-]{40,}$/.test(token);
}
/**
* Validates a DNS record type
* @param type DNS record type to validate
* @returns True if it's a valid DNS record type
*/
public static isValidRecordType(type: string): boolean {
const validTypes: plugins.tsclass.network.TDnsRecordType[] = [
'A', 'AAAA', 'CNAME', 'TXT', 'SRV', 'LOC', 'MX',
'NS', 'CAA', 'CERT', 'DNSKEY', 'DS', 'NAPTR', 'SMIMEA',
'SSHFP', 'TLSA', 'URI'
// Note: SPF has been removed as it's not in TDnsRecordType
];
return validTypes.includes(type as any);
}
/**
* Formats a URL for cache purging (ensures it starts with http/https)
* @param url URL to format
* @returns Properly formatted URL
*/
public static formatUrlForPurge(url: string): string {
if (!url.startsWith('http://') && !url.startsWith('https://')) {
return `https://${url}`;
}
return url;
}
/**
* Converts a TTL value in seconds to a human-readable string
* @param ttl TTL in seconds
* @returns Human-readable TTL
*/
public static formatTtl(ttl: number): string {
if (ttl === 1) {
return 'Automatic';
} else if (ttl === 120) {
return '2 minutes';
} else if (ttl === 300) {
return '5 minutes';
} else if (ttl === 600) {
return '10 minutes';
} else if (ttl === 900) {
return '15 minutes';
} else if (ttl === 1800) {
return '30 minutes';
} else if (ttl === 3600) {
return '1 hour';
} else if (ttl === 7200) {
return '2 hours';
} else if (ttl === 18000) {
return '5 hours';
} else if (ttl === 43200) {
return '12 hours';
} else if (ttl === 86400) {
return '1 day';
} else {
return `${ttl} seconds`;
}
}
/**
* Safely handles API pagination for Cloudflare requests
* @param makeRequest Function that makes the API request with page parameters
* @returns Combined results from all pages
*/
public static async paginateResults<T>(
makeRequest: (page: number, perPage: number) => Promise<{ result: T[], result_info: { total_pages: number } }>
): Promise<T[]> {
const perPage = 50; // Cloudflare's maximum
let page = 1;
let totalPages = 1;
const allResults: T[] = [];
do {
try {
const response = await makeRequest(page, perPage);
allResults.push(...response.result);
totalPages = response.result_info.total_pages;
page++;
} catch (error) {
logger.log('error', `Pagination error on page ${page}: ${error.message}`);
break;
}
} while (page <= totalPages);
return allResults;
}
}