import { Inject, Injectable } from '@nestjs/common'; import { DI } from '@/di-symbols.js'; import type { UsersRepository } from '@/models/index.js'; import type { Config } from '@/config.js'; import { HttpRequestService } from './HttpRequestService.js'; type CaptchaResponse = { success: boolean; 'error-codes'?: string[]; }; @Injectable() export class CaptchaService { constructor( @Inject(DI.config) private config: Config, private httpRequestService: HttpRequestService, ) { } private async getCaptchaResponse(url: string, secret: string, response: string): Promise { const params = new URLSearchParams({ secret, response, }); const res = await fetch(url, { method: 'POST', body: params, headers: { 'User-Agent': this.config.userAgent, }, // TODO //timeout: 10 * 1000, agent: (url, bypassProxy) => this.httpRequestService.getAgentByUrl(url, bypassProxy), }).catch(err => { throw `${err.message ?? err}`; }); if (!res.ok) { throw `${res.status}`; } return await res.json() as CaptchaResponse; } public async verifyRecaptcha(secret: string, response: string): Promise { const result = await this.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}`; } } public async verifyHcaptcha(secret: string, response: string): Promise { const result = await this.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}`; } } public async verifyTurnstile(secret: string, response: string): Promise { const result = await this.getCaptchaResponse('https://challenges.cloudflare.com/turnstile/v0/siteverify', secret, response).catch(e => { throw `turnstile-request-failed: ${e}`; }); if (result.success !== true) { const errorCodes = result['error-codes'] ? result['error-codes'].join(', ') : ''; throw `turnstile-failed: ${errorCodes}`; } } }