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fix[domains]: Add CDN provider detection with dynamic display names

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Implements generic CDN detection service supporting Cloudflare, Fastly,
and Bunny CDN. Replaces hardcoded "Behind Cloudflare" text with
dynamic provider names and adds IP range validation for comprehensive
CDN detection.
This commit is contained in:
Torsten Dittmann
2025-06-01 23:03:00 +02:00
parent 2619cb49d1
commit 88e862544b
3 changed files with 645 additions and 30 deletions
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packages/server/src/services/domain.ts
+10 -29
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@@ -8,6 +8,7 @@ import { eq } from "drizzle-orm";
import { type apiCreateDomain, domains } from "../db/schema";
import { findUserById } from "./admin";
import { findApplicationById } from "./application";
import { detectCDNProvider } from "./cdn";
import { findServerById } from "./server";
export type Domain = typeof domains.$inferSelect;
@@ -142,28 +143,6 @@ export const getDomainHost = (domain: Domain) => {
const resolveDns = promisify(dns.resolve4);
// Cloudflare IP ranges (simplified - these are some common ones)
const CLOUDFLARE_IPS = [
"172.67.",
"104.21.",
"104.16.",
"104.17.",
"104.18.",
"104.19.",
"104.20.",
"104.22.",
"104.23.",
"104.24.",
"104.25.",
"104.26.",
"104.27.",
"104.28.",
];
const isCloudflareIp = (ip: string) => {
return CLOUDFLARE_IPS.some((range) => ip.startsWith(range));
};
export const validateDomain = async (
domain: string,
expectedIp?: string,
@@ -172,6 +151,7 @@ export const validateDomain = async (
resolvedIp?: string;
error?: string;
isCloudflare?: boolean;
cdnProvider?: string;
}> => {
try {
// Remove protocol and path if present
@@ -182,17 +162,18 @@ export const validateDomain = async (
const resolvedIps = ips.map((ip) => ip.toString());
// Check if it's a Cloudflare IP
const behindCloudflare = ips.some((ip) => isCloudflareIp(ip));
// Check if any IP belongs to a CDN provider
const cdnProvider = ips
.map((ip) => detectCDNProvider(ip))
.find((provider) => provider !== null);
// If behind Cloudflare, we consider it valid but inform the user
if (behindCloudflare) {
// If behind a CDN, we consider it valid but inform the user
if (cdnProvider) {
return {
isValid: true,
resolvedIp: resolvedIps.join(", "),
isCloudflare: true,
error:
"Domain is behind Cloudflare - actual IP is masked by Cloudflare proxy",
cdnProvider: cdnProvider.displayName,
error: cdnProvider.warningMessage,
};
}