Message carbons

- Remove the `converse-carbons` plugin and make carbons part of the `converse-chat` plugin.
- Remove the `message_carbons` configuration setting. Carbons are now always enabled.

CHANGES.md

@@ -5,6 +5,8 @@
 - Don't automatically convert OpenStreetMap URLs into `geo:` URIs in sent messages
 - Remove the `allow_chat_pending_contacts` config option.
 - Show roster contacts with `subscription` set to `none`
+- Remove the `converse-carbons` plugin and make carbons part of the `converse-chat` plugin.
+- Remove the `message_carbons` configuration setting. Carbons are now always enabled.
 
 ## 9.1.1 (2022-05-05)
 

docs/source/configuration.rst

@@ -1202,22 +1202,6 @@ from the XMPP server.
 
 Used in conjunction with ``message_archiving`` and in context of `XEP-0313: Message Archive Management <https://xmpp.org/extensions/xep-0313.html>`_.
 
-message_carbons
----------------
-
-* Default:  ``true``
-
-Support for `XEP-0280: Message Carbons <https://xmpp.org/extensions/xep-0280.html>`_
-
-In order to keep all IM clients for a user engaged in a conversation,
-outbound messages are carbon-copied to all interested resources.
-
-This is especially important with Converse, where each browser
-tab serves as a separate IM client.
-
-XEP-0280 requires server support, so make sure that message carbons are enabled
-on your server.
-
 
 message_limit
 -------------

src/headless/headless.js

@@ -6,7 +6,6 @@ import "./plugins/adhoc.js";            // XEP-0050 Ad Hoc Commands
 import "./plugins/bookmarks/index.js";  // XEP-0199 XMPP Ping
 import "./plugins/bosh.js";             // XEP-0206 BOSH
 import "./plugins/caps/index.js";       // XEP-0115 Entity Capabilities
-import "./plugins/carbons.js";          // XEP-0280 Message Carbons
 import "./plugins/chat/index.js";       // RFC-6121 Instant messaging
 import "./plugins/chatboxes/index.js";
 import "./plugins/disco/index.js";      // XEP-0030 Service discovery

src/headless/plugins/carbons.js

@@ -1,61 +0,0 @@
-/**
- * @module converse-carbons
- * @copyright The Converse.js contributors
- * @license Mozilla Public License (MPLv2)
- * @description Implements support for XEP-0280 Message Carbons
- */
-
-import log from '@converse/headless/log.js';
-import { Strophe } from 'strophe.js/src/strophe';
-import { _converse, api, converse } from "../core.js";
-
-const { u } = converse.env;
-
-
-/**
- * Ask the XMPP server to enable Message Carbons
- * See [XEP-0280](https://xmpp.org/extensions/xep-0280.html#enabling)
- */
-async function enableCarbons (reconnecting) {
-    if (reconnecting && _converse.session.get('carbons_enabled')) {
-        if (_converse.session.get('smacks_enabled')) {
-            // No need to re-enable carbons when resuming a XEP-0198 stream
-            return;
-        }
-        _converse.session.set({'carbons_enabled': false})
-    }
-
-    if (!api.settings.get("message_carbons") || _converse.session?.get('carbons_enabled')) {
-        return;
-    }
-
-    const iq = new Strophe.Builder('iq', {
-        'from': _converse.connection.jid,
-        'type': 'set'
-      }).c('enable', {xmlns: Strophe.NS.CARBONS});
-
-    const result = await api.sendIQ(iq, null, false);
-    if (result === null) {
-        log.warn(`A timeout occurred while trying to enable carbons`);
-    } else if (u.isErrorStanza(result)) {
-        log.warn('An error occurred while trying to enable message carbons.');
-        log.error(result);
-    } else {
-        _converse.session.set({'carbons_enabled': true});
-        log.debug('Message carbons have been enabled.');
-    }
-    _converse.session.save(); // Gather multiple sets into one save
-}
-
-
-converse.plugins.add('converse-carbons', {
-
-    initialize () {
-        api.settings.extend({
-            message_carbons: true
-        });
-
-        api.listen.on('connected', () => enableCarbons());
-        api.listen.on('reconnected', () => enableCarbons(true));
-    }
-});

src/headless/plugins/chat/index.js

@@ -6,24 +6,18 @@ import ChatBox from './model.js';
 import MessageMixin from './message.js';
 import ModelWithContact from './model-with-contact.js';
 import chat_api from './api.js';
-import { Collection } from "@converse/skeletor/src/collection";
+import { Collection } from '@converse/skeletor/src/collection';
 import { _converse, api, converse } from '../../core.js';
-import { autoJoinChats, handleMessageStanza, onClearSession, openChat, registerMessageHandlers } from './utils.js';
-
+import {
+    autoJoinChats,
+    enableCarbons,
+    handleMessageStanza,
+    onClearSession,
+    openChat,
+    registerMessageHandlers,
+} from './utils.js';
 
 converse.plugins.add('converse-chat', {
-    /* Optional dependencies are other plugins which might be
-     * overridden or relied upon, and therefore need to be loaded before
-     * this plugin. They are called "optional" because they might not be
-     * available, in which case any overrides applicable to them will be
-     * ignored.
-     *
-     * It's possible however to make optional dependencies non-optional.
-     * If the setting "strict_plugin_dependencies" is set to true,
-     * an error will be raised if the plugin is not found.
-     *
-     * NB: These plugins need to have already been loaded via require.js.
-     */
     dependencies: ['converse-chatboxes', 'converse-disco'],
 
     initialize () {
@@ -40,14 +34,14 @@ converse.plugins.add('converse-chat', {
             'filter_by_resource': false,
             'prune_messages_above': undefined,
             'pruning_behavior': 'unscrolled',
-            'send_chat_markers': ["received", "displayed", "acknowledged"],
+            'send_chat_markers': ['received', 'displayed', 'acknowledged'],
             'send_chat_state_notifications': true,
         });
 
         _converse.Message = ModelWithContact.extend(MessageMixin);
         _converse.Messages = Collection.extend({
             model: _converse.Message,
-            comparator: 'time'
+            comparator: 'time',
         });
 
         Object.assign(_converse, { ChatBox, handleMessageStanza });
@@ -58,5 +52,8 @@ converse.plugins.add('converse-chat', {
         api.listen.on('chatBoxesFetched', autoJoinChats);
         api.listen.on('presencesInitialized', registerMessageHandlers);
         api.listen.on('clearSession', onClearSession);
-    }
+
+        api.listen.on('connected', () => enableCarbons());
+        api.listen.on('reconnected', () => enableCarbons(true));
+    },
 });

src/headless/plugins/chat/utils.js

@@ -106,7 +106,6 @@ export function registerMessageHandlers () {
 
 /**
  * Handler method for all incoming single-user chat "message" stanzas.
- * @private
  * @param { MessageAttributes } attrs - The message attributes
  */
 export async function handleMessageStanza (stanza) {
@@ -146,3 +145,39 @@ export async function handleMessageStanza (stanza) {
      */
     api.trigger('message', data);
 }
+
+/**
+ * Ask the XMPP server to enable Message Carbons
+ * See [XEP-0280](https://xmpp.org/extensions/xep-0280.html#enabling)
+ * @param { Boolean } reconnecting
+ */
+export async function enableCarbons (reconnecting) {
+    if (reconnecting && _converse.session.get('carbons_enabled')) {
+        if (_converse.session.get('smacks_enabled')) {
+            // No need to re-enable carbons when resuming a XEP-0198 stream
+            return;
+        }
+        _converse.session.set({'carbons_enabled': false})
+    }
+
+    if (_converse.session?.get('carbons_enabled')) {
+        return;
+    }
+
+    const iq = new Strophe.Builder('iq', {
+        'from': _converse.connection.jid,
+        'type': 'set'
+      }).c('enable', {xmlns: Strophe.NS.CARBONS});
+
+    const result = await api.sendIQ(iq, null, false);
+    if (result === null) {
+        log.warn(`A timeout occurred while trying to enable carbons`);
+    } else if (u.isErrorStanza(result)) {
+        log.warn('An error occurred while trying to enable message carbons.');
+        log.error(result);
+    } else {
+        _converse.session.set({'carbons_enabled': true});
+        log.debug('Message carbons have been enabled.');
+    }
+    _converse.session.save(); // Gather multiple sets into one save
+}

src/headless/plugins/disco/utils.js

@@ -42,9 +42,7 @@ function addClientFeatures () {
     api.disco.own.features.add(Strophe.NS.CHATSTATES);
     api.disco.own.features.add(Strophe.NS.DISCO_INFO);
     api.disco.own.features.add(Strophe.NS.ROSTERX); // Limited support
-    if (api.settings.get("message_carbons")) {
     api.disco.own.features.add(Strophe.NS.CARBONS);
-    }
     /**
      * Triggered in converse-disco once the core disco features of
      * Converse have been added.

src/headless/shared/constants.js

@@ -23,7 +23,6 @@ export const CORE_PLUGINS = [
     'converse-bookmarks',
     'converse-bosh',
     'converse-caps',
-    'converse-carbons',
     'converse-chat',
     'converse-chatboxes',
     'converse-disco',