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Added block when user types a swear word listed in banned words (#8197)

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* Added block when user types a swear word listed in banned words

* Moved banned words check to server

* Removed unused code

* Moved banned words to separate file and fixed grammar.

* Updated chat test

* Changed error to BadRequest

* Fixed regex matching

* Updated test banned word

* Moved banned words and cached regex

* Updated banned word message

* Add ban filter only for tavern

* Added tavern id constant

* Added more tests for banned words

* Added warning to banned words

* Added alert

* Added new regex to capture markdown

* Fixed lint, spelling and importing
This commit is contained in:
Keith Holliday
2017-04-24 07:55:42 -06:00
committed by GitHub
parent 7d3213fd66
commit d438990d18
7 changed files with 159 additions and 4 deletions
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29
website/server/controllers/api-v3/chat.js
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@@ -2,6 +2,7 @@ import { authWithHeaders } from '../../middlewares/auth';
import { model as Group } from '../../models/group';
import { model as User } from '../../models/user';
import {
BadRequest,
NotFound,
NotAuthorized,
} from '../../libs/errors';
@@ -12,6 +13,8 @@ import slack from '../../libs/slack';
import pusher from '../../libs/pusher';
import nconf from 'nconf';
import Bluebird from 'bluebird';
import bannedWords from '../../libs/bannedWords';
import { TAVERN_ID } from '../../models/group';
const FLAG_REPORT_EMAILS = nconf.get('FLAG_REPORT_EMAIL').split(',').map((email) => {
return { email, canSend: true };
@@ -82,6 +85,28 @@ api.getChat = {
},
};
// @TODO: Probably move this to a library
function matchExact (r, str) {
let match = str.match(r);
return match !== null && match[0] !== null;
}
let bannedWordRegexs = [];
for (let i = 0; i < bannedWords.length; i += 1) {
let word = bannedWords[i];
let regEx = new RegExp(`\\b([^a-z]+)?${word.toLowerCase()}([^a-z]+)?\\b`);
bannedWordRegexs.push(regEx);
}
function textContainsBannedWords (message) {
for (let i = 0; i < bannedWordRegexs.length; i += 1) {
let regEx = bannedWordRegexs[i];
if (matchExact(regEx, message.toLowerCase())) return true;
}
return false;
}
/**
* @api {post} /api/v3/groups/:groupId/chat Post chat message to a group
* @apiName PostChat
@@ -121,6 +146,10 @@ api.postChat = {
throw new NotFound('Your chat privileges have been revoked.');
}
if (group._id === TAVERN_ID && textContainsBannedWords(req.body.message)) {
throw new BadRequest(res.t('bannedWordUsed'));
}
let lastClientMsg = req.query.previousMsg;
chatUpdated = lastClientMsg && group.chat && group.chat[0] && group.chat[0].id !== lastClientMsg ? true : false;