1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { getErrorMessage, isNodeError } from './errors.js';
import { URL } from 'url';
const PRIVATE_IP_RANGES = [
/^10\./,
/^127\./,
/^172\.(1[6-9]|2[0-9]|3[0-1])\./,
/^192\.168\./,
/^::1$/,
/^fc00:/,
/^fe80:/,
];
export class FetchError extends Error {
constructor(
message: string,
public code?: string,
) {
super(message);
this.name = 'FetchError';
}
}
export function isPrivateIp(url: string): boolean {
try {
const hostname = new URL(url).hostname;
return PRIVATE_IP_RANGES.some((range) => range.test(hostname));
} catch (_e) {
return false;
}
}
export async function fetchWithTimeout(
url: string,
timeout: number,
): Promise<Response> {
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), timeout);
try {
const response = await fetch(url, { signal: controller.signal });
return response;
} catch (error) {
if (isNodeError(error) && error.code === 'ABORT_ERR') {
throw new FetchError(`Request timed out after ${timeout}ms`, 'ETIMEDOUT');
}
throw new FetchError(getErrorMessage(error));
} finally {
clearTimeout(timeoutId);
}
}
|
