fix(security): forward allowHttp option through redirect validation

Pass allowHttp to validateUrlWithDNS in the redirect handler of
secureFetchWithPinnedIP so HTTP-to-HTTP redirects work when allowHttp
is enabled for webhook delivery.

Author: waleedlatif1

apps/sim/lib/core/security/input-validation.server.ts

@@ -248,7 +248,7 @@ function resolveRedirectUrl(baseUrl: string, location: string): string {
 export async function secureFetchWithPinnedIP(
   url: string,
   resolvedIP: string,
-  options: SecureFetchOptions = {},
+  options: SecureFetchOptions & { allowHttp?: boolean } = {},
   redirectCount = 0
 ): Promise<SecureFetchResponse> {
   const maxRedirects = options.maxRedirects ?? DEFAULT_MAX_REDIRECTS
@@ -296,7 +296,7 @@ export async function secureFetchWithPinnedIP(
         res.resume()
         const redirectUrl = resolveRedirectUrl(url, location)
 
-        validateUrlWithDNS(redirectUrl, 'redirectUrl')
+        validateUrlWithDNS(redirectUrl, 'redirectUrl', { allowHttp: options.allowHttp })
           .then((validation) => {
             if (!validation.isValid) {
               reject(new Error(`Redirect blocked: ${validation.error}`))