misskey/packages/backend/src/misc/captcha.ts
2021-12-09 23:58:30 +09:00

57 lines
1.5 KiB
TypeScript

import fetch from 'node-fetch';
import { URLSearchParams } from 'url';
import { getAgentByUrl } from './fetch';
import config from '@/config/index';
export async function verifyRecaptcha(secret: string, response: string) {
const result = await getCaptchaResponse('https://www.recaptcha.net/recaptcha/api/siteverify', secret, response).catch(e => {
throw `recaptcha-request-failed: ${e}`;
});
if (result.success !== true) {
const errorCodes = result['error-codes'] ? result['error-codes']?.join(', ') : '';
throw `recaptcha-failed: ${errorCodes}`;
}
}
export async function verifyHcaptcha(secret: string, response: string) {
const result = await getCaptchaResponse('https://hcaptcha.com/siteverify', secret, response).catch(e => {
throw `hcaptcha-request-failed: ${e}`;
});
if (result.success !== true) {
const errorCodes = result['error-codes'] ? result['error-codes']?.join(', ') : '';
throw `hcaptcha-failed: ${errorCodes}`;
}
}
type CaptchaResponse = {
success: boolean;
'error-codes'?: string[];
};
async function getCaptchaResponse(url: string, secret: string, response: string): Promise<CaptchaResponse> {
const params = new URLSearchParams({
secret,
response,
});
const res = await fetch(url, {
method: 'POST',
body: params,
headers: {
'User-Agent': config.userAgent,
},
timeout: 10 * 1000,
agent: getAgentByUrl,
}).catch(e => {
throw `${e.message || e}`;
});
if (!res.ok) {
throw `${res.status}`;
}
return await res.json() as CaptchaResponse;
}