podkop/fe-app-podkop/src/validators/validateProxyUrl.ts

import { ValidationResult } from './types';
import { validateShadowsocksUrl } from './validateShadowsocksUrl';
import { validateVlessUrl } from './validateVlessUrl';
import { validateTrojanUrl } from './validateTrojanUrl';
import { validateSocksUrl } from './validateSocksUrl';
import { validateHysteria2Url } from './validateHysteriaUrl';

// TODO refactor current validation and add tests
export function validateProxyUrl(url: string): ValidationResult {
  const trimmedUrl = url.trim();

  if (trimmedUrl.startsWith('ss://')) {
    return validateShadowsocksUrl(trimmedUrl);
  }

  if (trimmedUrl.startsWith('vless://')) {
    return validateVlessUrl(trimmedUrl);
  }

  if (trimmedUrl.startsWith('trojan://')) {
    return validateTrojanUrl(trimmedUrl);
  }

  if (/^socks(4|4a|5):\/\//.test(trimmedUrl)) {
    return validateSocksUrl(trimmedUrl);
  }

  if (
    trimmedUrl.startsWith('hysteria2://') ||
    trimmedUrl.startsWith('hy2://')
  ) {
    return validateHysteria2Url(trimmedUrl);
  }

  return {
    valid: false,
    message: _(
      'URL must start with vless://, ss://, trojan://, socks4/5://, or hysteria2://hy2://',
    ),
  };
}