Adding support for protocol handler

CHANGES.md

@@ -16,6 +16,7 @@
 - #3769: Various OMEMO fixes
 - #3791: Fetching pubsub node configuration fails
 - #3792: Node reconfiguration attempt uses incorrect field names
+- Adding support for protocol handler
 - Fix documentation formatting in security.rst
 - Add approval banner in chats with requesting contacts or unsaved contacts
 - Add mongolian as a language option

conversejs.doap

@@ -109,6 +109,15 @@
         <xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0144.html"/>
       </xmpp:SupportedXep>
     </implements>
+    <implements>
+      <xmpp:SupportedXep>
+        <xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0147.html"/>
+        <xmpp:status>partial</xmpp:status>
+        <xmpp:version>1.2</xmpp:version>
+        <xmpp:since>12.0.0</xmpp:since>
+        <xmpp:note>Supports XMPP URI scheme with query actions for message and roster management</xmpp:note>
+      </xmpp:SupportedXep>
+    </implements>
     <implements>
       <xmpp:SupportedXep>
         <xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0153.html"/>

manifest.json

@@ -26,5 +26,11 @@
   "background_color": "#397491",
   "display": "standalone",
   "scope": "/",
-  "theme_color": "#397491"
+  "theme_color": "#397491",
+  "protocol_handlers": [
+    {
+      "protocol": "xmpp",
+      "url": "/?uri=%s"
+    }
+  ]
 }

src/plugins/chatview/index.js

@@ -8,7 +8,7 @@ import 'shared/chat/help-messages.js';
 import 'shared/chat/toolbar.js';
 import ChatView from './chat.js';
 import { _converse, api, converse } from '@converse/headless';
-import { clearHistory } from './utils.js';
+import { clearHistory,routeToQueryAction } from './utils.js';
 
 import './styles/index.scss';
 
@@ -65,6 +65,15 @@ converse.plugins.add('converse-chatview', {
         Object.assign(_converse, exports); // DEPRECATED
         Object.assign(_converse.exports, exports);
 
+        if ('registerProtocolHandler' in navigator) {
+            try {
+                const handlerUrl = `${window.location.origin}${window.location.pathname}#converse/action?uri=%s`;
+                navigator.registerProtocolHandler('xmpp', handlerUrl);
+            } catch (error) {
+                console.warn('Failed to register protocol handler:', error);
+            }
+        }
+        routeToQueryAction();
         api.listen.on('connected', () => api.disco.own.features.add(Strophe.NS.SPOILER));
         api.listen.on('chatBoxClosed', (model) => clearHistory(model.get('jid')));
     }

src/plugins/chatview/tests/query-actions.js

@@ -0,0 +1,206 @@
+/*global mock, converse */
+
+const { u } = converse.env;
+
+describe("XMPP URI Query Actions (XEP-0147)", function () {
+
+    /**
+     * Test the core functionality: opening a chat when no action is specified
+     * This tests the basic URI parsing and chat opening behavior
+     */
+    it("opens a chat when URI has no action parameter",
+        mock.initConverse(['chatBoxesFetched'], {}, async function (_converse) {
+
+        const { api } = _converse;
+        // Wait for roster to be initialized so we can open chats
+        await mock.waitForRoster(_converse, 'current', 1);
+
+        // Save original globals to restore them later
+        const originalLocation = window.location;
+        const originalReplaceState = window.history.replaceState;
+
+        // Mock window.location to simulate a protocol handler URI
+        // This simulates: ?uri=xmpp:romeo@montague.lit
+        delete window.location;
+        window.location = {
+            search: '?uri=xmpp%3Aromeo%40montague.lit', // URL-encoded: xmpp:romeo@montague.lit
+            hash: '',
+            origin: 'http://localhost',
+            pathname: '/',
+        };
+
+        // Spy on history.replaceState to verify URL cleanup
+        const replaceStateSpy = jasmine.createSpy('replaceState');
+        window.history.replaceState = replaceStateSpy;
+
+        try {
+            // Import the function to test
+            const { routeToQueryAction } = await import('../utils.js');
+
+            // Call the function - this should parse URI and open chat
+            await routeToQueryAction();
+
+            // Verify that the URL was cleaned up (protocol handler removes ?uri=...)
+            expect(replaceStateSpy).toHaveBeenCalledWith(
+                {},
+                document.title,
+                'http://localhost/'
+            );
+
+            // Wait for and verify that a chatbox was created
+            await u.waitUntil(() => _converse.chatboxes.get('romeo@montague.lit'));
+            const chatbox = _converse.chatboxes.get('romeo@montague.lit');
+            expect(chatbox).toBeDefined();
+            expect(chatbox.get('jid')).toBe('romeo@montague.lit');
+        } finally {
+            // Restore original globals to avoid test pollution
+            window.location = originalLocation;
+            window.history.replaceState = originalReplaceState;
+        }
+    }));
+
+    /**
+     * Test message sending functionality when action=message
+     * This tests URI parsing, chat opening, and message sending
+     */
+    it("sends a message when action=message with body",
+        mock.initConverse(['chatBoxesFetched'], {}, async function (_converse) {
+
+        const { api } = _converse;
+        await mock.waitForRoster(_converse, 'current', 1);
+
+        const originalLocation = window.location;
+        const originalReplaceState = window.history.replaceState;
+
+        // Mock URI with message action: ?uri=xmpp:romeo@montague.lit?action=message&body=Hello
+        delete window.location;
+        window.location = {
+            search: '?uri=xmpp%3Aromeo%40montague.lit%3Faction%3Dmessage%26body%3DHello',
+            hash: '',
+            origin: 'http://localhost',
+            pathname: '/',
+        };
+
+        window.history.replaceState = jasmine.createSpy('replaceState');
+
+        try {
+            const { routeToQueryAction } = await import('../utils.js');
+
+            // Spy on the connection send method to verify XMPP stanza sending
+            spyOn(api.connection.get(), 'send');
+
+            // Execute the function
+            await routeToQueryAction();
+
+            // Verify chat was opened
+            await u.waitUntil(() => _converse.chatboxes.get('romeo@montague.lit'));
+            const chatbox = _converse.chatboxes.get('romeo@montague.lit');
+            expect(chatbox).toBeDefined();
+
+            // Verify message was sent and stored in chat
+            await u.waitUntil(() => chatbox.messages.length > 0);
+            const message = chatbox.messages.at(0);
+            expect(message.get('message')).toBe('Hello');
+            expect(message.get('type')).toBe('chat');
+        } finally {
+            window.location = originalLocation;
+            window.history.replaceState = originalReplaceState;
+        }
+    }));
+
+    /**
+     * Test error handling for invalid JIDs
+     * This ensures the function doesn't crash and handles invalid input gracefully
+     */
+    it("handles invalid JID gracefully",
+        mock.initConverse(['chatBoxesFetched'], {}, async function (_converse) {
+
+        const originalLocation = window.location;
+        const originalReplaceState = window.history.replaceState;
+
+        // Mock URI with invalid JID format
+        delete window.location;
+        window.location = {
+            search: '?uri=xmpp%3Ainvalid-jid',
+            hash: '',
+            origin: 'http://localhost',
+            pathname: '/',
+        };
+
+        window.history.replaceState = jasmine.createSpy('replaceState');
+
+        try {
+            const { routeToQueryAction } = await import('../utils.js');
+
+            // Record initial chatbox count
+            const initialCount = _converse.chatboxes.length;
+
+            // Function should not throw an error, just log warning and return
+            await routeToQueryAction();
+
+            // Verify no new chatbox was created for invalid JID
+            expect(_converse.chatboxes.length).toBe(initialCount);
+
+            // URL should still be cleaned up even for invalid JIDs
+            expect(window.history.replaceState).toHaveBeenCalled();
+        } finally {
+            window.location = originalLocation;
+            window.history.replaceState = originalReplaceState;
+        }
+    }));
+
+    /**
+     * Test roster contact addition (action=add-roster)
+     * This tests the contact management functionality
+     */
+    it("adds contact to roster when action=add-roster",
+        mock.initConverse(['chatBoxesFetched'], {}, async function (_converse) {
+
+        const { api } = _converse;
+        await mock.waitForRoster(_converse, 'current', 1);
+        await mock.waitUntilDiscoConfirmed(_converse, _converse.bare_jid, [], []);
+
+        const originalLocation = window.location;
+        const originalReplaceState = window.history.replaceState;
+
+        // Mock URI with roster action: ?uri=xmpp:newcontact@montague.lit?action=add-roster&name=John&group=Friends
+        delete window.location;
+        window.location = {
+            search: '?uri=xmpp%3Anewcontact%40montague.lit%3Faction%3Dadd-roster%26name%3DJohn%26group%3DFriends',
+            hash: '',
+            origin: 'http://localhost',
+            pathname: '/',
+        };
+
+        window.history.replaceState = jasmine.createSpy('replaceState');
+
+        try {
+            const { routeToQueryAction } = await import('../utils.js');
+
+            // Spy on connection send to verify roster IQ stanza
+            spyOn(api.connection.get(), 'send');
+
+            await routeToQueryAction();
+
+            // Wait for roster IQ to be sent
+            await u.waitUntil(() => api.connection.get().send.calls.count() > 0);
+
+            // Verify the roster addition IQ was sent
+            const sent_stanzas = api.connection.get().send.calls.all().map(call => call.args[0]);
+            const roster_iq = sent_stanzas.find(s =>
+                s.querySelector &&
+                s.querySelector('iq[type="set"] query[xmlns="jabber:iq:roster"]')
+            );
+            expect(roster_iq).toBeDefined();
+
+            // Verify roster item details
+            const item = roster_iq.querySelector('item');
+            expect(item.getAttribute('jid')).toBe('newcontact@montague.lit');
+            expect(item.getAttribute('name')).toBe('John');
+            expect(item.querySelector('group').textContent).toBe('Friends');
+        } finally {
+            window.location = originalLocation;
+            window.history.replaceState = originalReplaceState;
+        }
+    }));
+});

src/plugins/chatview/utils.js

@@ -1,5 +1,7 @@
 import { __ } from 'i18n';
 import { _converse, api } from '@converse/headless';
+import log from "@converse/log";
+
 
 export function clearHistory (jid) {
     if (location.hash === `converse/chat?jid=${jid}`) {
@@ -71,3 +73,120 @@ export function resetElementHeight (ev) {
         ev.target.style = '';
     }
 }
+
+
+/**
+ * Handle XEP-0147 "query actions" invoked via xmpp: URIs.
+ * Supports message sending, roster management, and future actions.
+ *
+ * Example URIs:
+ *   xmpp:user@example.com?action=message&body=Hello
+ *   xmpp:user@example.com?action=add-roster&name=John&group=Friends
+ */
+export async function routeToQueryAction(event) {
+    const { u } = _converse.env;
+
+    try {
+        const uri = extractXMPPURI(event);
+        if (!uri) return;
+
+        const { jid, queryParams } = parseXMPPURI(uri);
+        if (!u.isValidJID(jid)) {
+            return log.warn(`routeToQueryAction: Invalid JID: "${jid}"`);
+        }
+
+        const action = queryParams.get('action');
+        if (!action) {
+            log.debug(`routeToQueryAction: No action specified, opening chat for "${jid}"`);
+            return api.chats.open(jid);
+        }
+
+        switch (action) {
+            case 'message':
+                await handleMessageAction(jid, queryParams);
+                break;
+
+            case 'add-roster':
+                await handleRosterAction(jid, queryParams);
+                break;
+
+            default:
+                log.warn(`routeToQueryAction: Unsupported XEP-0147 action: "${action}"`);
+                await api.chats.open(jid);
+        }
+    } catch (error) {
+        log.error('Failed to process XMPP query action:', error);
+    }
+}
+
+/**
+ * Extracts and decodes the xmpp: URI from the window location or hash.
+ */
+function extractXMPPURI(event) {
+    let uri = null;
+
+    // Case 1: protocol handler (?uri=...)
+    const searchParams = new URLSearchParams(window.location.search);
+    uri = searchParams.get('uri');
+
+    // Case 2: hash-based (#converse/action?uri=...)
+    if (!uri && location.hash.startsWith('#converse/action?uri=')) {
+        event?.preventDefault();
+        uri = location.hash.split('uri=').pop();
+    }
+
+    if (!uri) return null;
+
+    // Decode URI and remove xmpp: prefix
+    uri = decodeURIComponent(uri);
+    if (uri.startsWith('xmpp:')) uri = uri.slice(5);
+
+    // Clean up URL (remove ?uri=... for a clean view)
+    const cleanUrl = `${window.location.origin}${window.location.pathname}`;
+    window.history.replaceState({}, document.title, cleanUrl);
+
+    return uri;
+}
+
+/**
+ * Splits an xmpp: URI into a JID and query parameters.
+ */
+function parseXMPPURI(uri) {
+    const [jid, query] = uri.split('?');
+    const queryParams = new URLSearchParams(query);
+    return { jid, queryParams };
+}
+
+/**
+ * Handles the `action=message` case.
+ */
+async function handleMessageAction(jid, params) {
+    const body = params.get('body') || '';
+    const chat = await api.chats.open(jid);
+
+    if (body && chat) {
+        await chat.sendMessage({ body });
+    }
+}
+
+/**
+ * Handles the `action=add-roster` case.
+ */
+async function handleRosterAction(jid, params) {
+    await api.waitUntil('rosterContactsFetched');
+
+    const name = params.get('name') || jid.split('@')[0];
+    const group = params.get('group');
+    const groups = group ? [group] : [];
+
+    try {
+        await api.contacts.add(
+            { jid, name, groups },
+            true,   // persist on server
+            true,   // subscribe to presence
+            ''      // no custom message
+        );
+    } catch (err) {
+        log.error(`Failed to add "${jid}" to roster:`, err);
+    }
+}