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chat: New option to completely disable chat
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@rhansen
rhansen committed Apr 9, 2022
1 parent 7f21015 commit 362d7db
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -2,6 +2,8 @@

### Notable enhancements and fixes

* New `enableIntegratedChat` setting makes it possible to completely disable the
built-in chat feature (not just hide it).
* Improvements to login session management:
* `express_sid` cookies and `sessionstorage:*` database records are no longer
created unless `requireAuthentication` is `true` (or a plugin causes them to
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19 changes: 10 additions & 9 deletions doc/docker.md
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Expand Up @@ -80,15 +80,16 @@ The `settings.json.docker` available by default allows to control almost every s

### General

| Variable | Description | Default |
| ------------------ | ------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TITLE` | The name of the instance | `Etherpad` |
| `FAVICON` | favicon default name, or a fully specified URL to your own favicon | `favicon.ico` |
| `DEFAULT_PAD_TEXT` | The default text of a pad | `Welcome to Etherpad! This pad text is synchronized as you type, so that everyone viewing this page sees the same text. This allows you to collaborate seamlessly on documents! Get involved with Etherpad at https://etherpad.org` |
| `IP` | IP which etherpad should bind at. Change to `::` for IPv6 | `0.0.0.0` |
| `PORT` | port which etherpad should bind at | `9001` |
| `ADMIN_PASSWORD` | the password for the `admin` user (leave unspecified if you do not want to create it) | |
| `USER_PASSWORD` | the password for the first user `user` (leave unspecified if you do not want to create it) | |
| Variable | Description | Default |
| ------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TITLE` | The name of the instance | `Etherpad` |
| `FAVICON` | favicon default name, or a fully specified URL to your own favicon | `favicon.ico` |
| `DEFAULT_PAD_TEXT` | The default text of a pad | `Welcome to Etherpad! This pad text is synchronized as you type, so that everyone viewing this page sees the same text. This allows you to collaborate seamlessly on documents! Get involved with Etherpad at https://etherpad.org` |
| `ENABLE_INTEGRATED_CHAT` | Whether to enable the built-in chat feature. Set this to false if you prefer to use a plugin to provide chat functionality or simply do not want the feature. | true |
| `IP` | IP which etherpad should bind at. Change to `::` for IPv6 | `0.0.0.0` |
| `PORT` | port which etherpad should bind at | `9001` |
| `ADMIN_PASSWORD` | the password for the `admin` user (leave unspecified if you do not want to create it) | |
| `USER_PASSWORD` | the password for the first user `user` (leave unspecified if you do not want to create it) | |


### Database
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8 changes: 8 additions & 0 deletions settings.json.docker
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Expand Up @@ -223,6 +223,13 @@
*/
"defaultPadText" : "${DEFAULT_PAD_TEXT:Welcome to Etherpad!\n\nThis pad text is synchronized as you type, so that everyone viewing this page sees the same text. This allows you to collaborate seamlessly on documents!\n\nGet involved with Etherpad at https:\/\/etherpad.org\n}",

/*
* Whether to enable the built-in chat feature. Set this to false if you
* prefer to use a plugin to provide chat functionality or simply do not want
* the feature.
*/
"enableIntegratedChat": "${ENABLE_INTEGRATED_CHAT:true}",

/*
* Default Pad behavior.
*
Expand All @@ -231,6 +238,7 @@
"padOptions": {
"noColors": "${PAD_OPTIONS_NO_COLORS:false}",
"showControls": "${PAD_OPTIONS_SHOW_CONTROLS:true}",
// To completely disable chat, set enableIntegratedChat to false.
"showChat": "${PAD_OPTIONS_SHOW_CHAT:true}",
"showLineNumbers": "${PAD_OPTIONS_SHOW_LINE_NUMBERS:true}",
"useMonospaceFont": "${PAD_OPTIONS_USE_MONOSPACE_FONT:false}",
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8 changes: 8 additions & 0 deletions settings.json.template
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Expand Up @@ -224,6 +224,13 @@
*/
"defaultPadText" : "Welcome to Etherpad!\n\nThis pad text is synchronized as you type, so that everyone viewing this page sees the same text. This allows you to collaborate seamlessly on documents!\n\nGet involved with Etherpad at https:\/\/etherpad.org\n",

/*
* Whether to enable the built-in chat feature. Set this to false if you
* prefer to use a plugin to provide chat functionality or simply do not want
* the feature.
*/
"enableIntegratedChat": true,

/*
* Default Pad behavior.
*
Expand All @@ -232,6 +239,7 @@
"padOptions": {
"noColors": false,
"showControls": true,
// To completely disable chat, set enableIntegratedChat to false.
"showChat": true,
"showLineNumbers": true,
"useMonospaceFont": false,
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25 changes: 25 additions & 0 deletions src/node/chat.js
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Expand Up @@ -10,10 +10,14 @@ const pad = require('./db/Pad');
const padManager = require('./db/PadManager');
const padMessageHandler = require('./handler/PadMessageHandler');
const promises = require('./utils/promises');
const settings = require('./utils/Settings');

let socketio;

const appendChatMessage = async (pad, msg) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
pad.chatHead++;
await Promise.all([
// Don't save the display name in the database because the user can change it at any time. The
Expand All @@ -25,6 +29,9 @@ const appendChatMessage = async (pad, msg) => {
};

const getChatMessage = async (pad, entryNum) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
const entry = await pad.db.get(`pad:${pad.id}:chat:${entryNum}`);
if (entry == null) return null;
const message = ChatMessage.fromObject(entry);
Expand All @@ -33,6 +40,9 @@ const getChatMessage = async (pad, entryNum) => {
};

const getChatMessages = async (pad, start, end) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
const entries = await Promise.all(
[...Array(end + 1 - start).keys()].map((i) => getChatMessage(pad, start + i)));

Expand All @@ -49,6 +59,9 @@ const getChatMessages = async (pad, start, end) => {
};

const sendChatMessageToPadClients = async (message, padId) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
const pad = await padManager.getPad(padId, null, message.authorId);
await hooks.aCallAll('chatNewMessage', {message, pad, padId});
// appendChatMessage() ignores the displayName property so we don't need to wait for
Expand All @@ -65,6 +78,7 @@ const sendChatMessageToPadClients = async (message, padId) => {
exports.clientVars = (hookName, {pad: {chatHead}}) => ({chatHead});

exports.eejsBlock_mySettings = (hookName, context) => {
if (!settings.enableIntegratedChat) return;
context.content += `
<p class="hide-for-mobile">
<input type="checkbox" id="options-stickychat">
Expand All @@ -78,6 +92,7 @@ exports.eejsBlock_mySettings = (hookName, context) => {
};

exports.eejsBlock_stickyContainer = (hookName, context) => {
if (!settings.enableIntegratedChat) return;
/* eslint-disable max-len */
context.content += `
<div id="chaticon" class="visible" title="Chat (Alt C)">
Expand Down Expand Up @@ -108,6 +123,7 @@ exports.eejsBlock_stickyContainer = (hookName, context) => {
};

exports.handleMessage = async (hookName, {message, sessionInfo, socket}) => {
if (!settings.enableIntegratedChat) return;
const {authorId, padId, readOnly} = sessionInfo;
if (message.type !== 'COLLABROOM' || readOnly) return;
switch (message.data.type) {
Expand Down Expand Up @@ -201,6 +217,9 @@ api.registerChatHandlers({
* {code: 1, message:"padID does not exist", data: null}
*/
appendChatMessage: async (padID, text, authorID, time) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
if (typeof text !== 'string') throw new CustomError('text is not a string', 'apierror');
if (time === undefined || !Number.isInteger(Number.parseInt(time))) time = Date.now();
await sendChatMessageToPadClients(new ChatMessage(text, authorID, time), padID);
Expand All @@ -215,6 +234,9 @@ api.registerChatHandlers({
* {code: 1, message:"padID does not exist", data: null}
*/
getChatHead: async (padID) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
const pad = await getPadSafe(padID);
return {chatHead: pad.chatHead};
},
Expand All @@ -234,6 +256,9 @@ api.registerChatHandlers({
* {code: 1, message:"padID does not exist", data: null}
*/
getChatHistory: async (padID, start, end) => {
if (!settings.enableIntegratedChat) {
throw new Error('integrated chat is disabled (see enableIntegratedChat in settings.json)');
}
if (start && end) {
if (start < 0) throw new CustomError('start is below zero', 'apierror');
if (end < 0) throw new CustomError('end is below zero', 'apierror');
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8 changes: 5 additions & 3 deletions src/node/hooks/express/static.js
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Expand Up @@ -28,11 +28,13 @@ const tar = (() => {
'pad_impexp.js',
'pad_savedrevs.js',
'pad_connectionstatus.js',
'ChatMessage.js',
'chat.js',
...settings.enableIntegratedChat ? [
'ChatMessage.js',
'chat.js',
'$tinycon/tinycon.js',
] : [],
'vendors/gritter.js',
'$js-cookie/dist/js.cookie.js',
'$tinycon/tinycon.js',
'vendors/farbtastic.js',
'skin_variants.js',
'socketio.js',
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6 changes: 4 additions & 2 deletions src/node/hooks/express/tests.js
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Expand Up @@ -38,8 +38,10 @@ exports.expressPreSession = async (hookName, {app}) => {
if (!pluginPath.endsWith(path.sep)) pluginPath += path.sep;
const specDir = `${plugin === 'ep_etherpad-lite' ? '' : 'static/'}tests/frontend/specs`;
for (const spec of await findSpecs(path.join(pluginPath, specDir))) {
if (plugin === 'ep_etherpad-lite' && !settings.enableAdminUITests &&
spec.startsWith('admin')) continue;
if (plugin === 'ep_etherpad-lite') {
if (!settings.enableAdminUITests && spec.startsWith('admin')) continue;
if (!settings.enableIntegratedChat && spec.startsWith('chat')) continue;
}
modules.push(`${plugin}/${specDir}/${spec.replace(/\.js$/, '')}`);
}
}));
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2 changes: 1 addition & 1 deletion src/node/utils/Minify.js
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Expand Up @@ -42,7 +42,7 @@ const LIBRARY_WHITELIST = [
'js-cookie',
'security',
'split-grid',
'tinycon',
...settings.enableIntegratedChat ? ['tinycon'] : [],
'underscore',
'unorm',
];
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6 changes: 6 additions & 0 deletions src/node/utils/Settings.js
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Expand Up @@ -156,6 +156,12 @@ exports.defaultPadText = [
'Etherpad on Github: https://github.com/ether/etherpad-lite',
].join('\n');

/**
* Whether to enable the built-in chat feature. Set this to false if you prefer to use a plugin to
* provide chat functionality or simply do not want the feature.
*/
exports.enableIntegratedChat = true;

/**
* The default Pad Settings for a user (Can be overridden by changing the setting
*/
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4 changes: 4 additions & 0 deletions src/static/js/pluginfw/plugins.js
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Expand Up @@ -5,6 +5,7 @@ const hooks = require('./hooks');
const log4js = require('log4js');
const path = require('path');
const runCmd = require('../../../node/utils/run_cmd');
const settings = require('../../../node/utils/Settings');
const tsort = require('./tsort');
const pluginUtils = require('./shared');
const defs = require('./plugin_defs');
Expand Down Expand Up @@ -129,6 +130,9 @@ const loadPlugin = async (packages, pluginName, plugins, parts) => {
const data = await fs.readFile(pluginPath);
try {
const plugin = JSON.parse(data);
if (pluginName === 'ep_etherpad-lite' && !settings.enableIntegratedChat) {
plugin.parts = plugin.parts.filter((part) => part.name !== 'chat');
}
plugin.package = packages[pluginName];
plugins[pluginName] = plugin;
for (const part of plugin.parts) {
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48 changes: 47 additions & 1 deletion src/tests/backend/specs/api/chat.js
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Expand Up @@ -2,6 +2,7 @@

const assert = require('assert').strict;
const common = require('../../common');
const settings = require('../../../../node/utils/Settings');

let agent;
const apiKey = common.apiKey;
Expand All @@ -13,7 +14,10 @@ const timestamp = Date.now();
const endPoint = (point) => `/api/${apiVersion}/${point}?apikey=${apiKey}`;

describe(__filename, function () {
const backups = {settings: {}};

before(async function () {
backups.settings.enableIntegratedChat = settings.enableIntegratedChat;
agent = await common.init();
await agent.get('/api/')
.expect(200)
Expand All @@ -37,7 +41,15 @@ describe(__filename, function () {
});
});

describe('message sequence', function () {
afterEach(async function () {
Object.assign(settings, backups.settings);
});

describe('settings.enableIntegratedChat = true', function () {
beforeEach(async function () {
settings.enableIntegratedChat = true;
});

it('appendChatMessage', async function () {
await agent.get(`${endPoint('appendChatMessage')}&padID=${padID}&text=blalblalbha` +
`&authorID=${authorID}&time=${timestamp}`)
Expand Down Expand Up @@ -68,6 +80,40 @@ describe(__filename, function () {
});
});
});

describe('settings.enableIntegratedChat = false', function () {
beforeEach(async function () {
settings.enableIntegratedChat = false;
});

it('appendChatMessage returns an error', async function () {
await agent.get(`${endPoint('appendChatMessage')}&padID=${padID}&text=blalblalbha` +
`&authorID=${authorID}&time=${timestamp}`)
.expect(500)
.expect('Content-Type', /json/)
.expect((res) => {
assert.equal(res.body.code, 2);
});
});

it('getChatHead returns an error', async function () {
await agent.get(`${endPoint('getChatHead')}&padID=${padID}`)
.expect(500)
.expect('Content-Type', /json/)
.expect((res) => {
assert.equal(res.body.code, 2);
});
});

it('getChatHistory returns an error', async function () {
await agent.get(`${endPoint('getChatHistory')}&padID=${padID}`)
.expect(500)
.expect('Content-Type', /json/)
.expect((res) => {
assert.equal(res.body.code, 2);
});
});
});
});

function makeid() {
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