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61 lines
2.1 KiB
61 lines
2.1 KiB
'use strict';
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const { Ratelimits } = require(__dirname+'/../../db/')
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, { ObjectId } = require(__dirname+'/../../db/db.js')
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, checkCaptcha = require(__dirname+'/../checks/captcha.js')
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, config = require(__dirname+'/../../config.js')
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, remove = require('fs-extra').remove
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, dynamicResponse = require(__dirname+'/../dynamic.js')
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, deleteTempFiles = require(__dirname+'/../files/deletetempfiles.js')
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, uploadDirectory = require(__dirname+'/../files/uploadDirectory.js');
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module.exports = async (req, res, next) => {
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//already solved in pre stage for getting bypassID for "ip"
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if (res.locals.anonymizer && res.locals.solvedCaptcha) {
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return next();
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}
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//skip captcha if disabled on board for posts only
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if (res.locals.board
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&& req.path === `/board/${res.locals.board._id}/post`) {
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if (res.locals.board.settings.captchaMode === 0 //if captcha disabled
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|| (res.locals.board.settings.captchaMode === 1 && req.body.thread)) { //or if enabled for threads, and not a thread
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return next(); //then skip checking captcha
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}
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}
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const captchaInput = req.body.captcha || req.body['g-recaptcha-response'] || req.body["h-captcha-response"];
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const captchaId = req.cookies.captchaid;
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try {
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await checkCaptcha(captchaInput, captchaId);
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} catch (err) {
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deleteTempFiles(req).catch(e => console.error);
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if (err instanceof Error) {
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return next(err);
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}
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const page = (req.body.minimal || req.path === '/blockbypass' ? 'bypass' : 'message');
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return dynamicResponse(req, res, 403, page, {
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'title': 'Forbidden',
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'message': err,
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'redirect': req.headers.referer,
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});
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}
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//it was correct, so mark as solved for other middleware
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res.locals.solvedCaptcha = true;
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const { captchaOptions } = config.get;
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if (captchaOptions.type !== 'google' && captchaOptions.type !== 'hcaptcha') {
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//for builtin captchas, clear captchaid cookie, delete file and reset quota
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res.clearCookie('captchaid');
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await Promise.all([
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!res.locals.anonymizer && Ratelimits.resetQuota(res.locals.ip.cloak, 'captcha'),
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remove(`${uploadDirectory}/captcha/${captchaId}.jpg`)
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]);
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}
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//completed captcha successfully, continue
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return next();
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}
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