Added basic encryption functions

1 files changed, 68 insertions, 0 deletions

diff --git a/public/scripts/chat.js b/public/scripts/chat.js
new file mode 100644
index 0000000..b2f2816
--- /dev/null
+++ b/public/scripts/chat.js
@@ -0,0 +1,68 @@
+const $ = require('jquery');
+const nanoid = require('nanoid');
+
+let connectedUserId, connectedUser;
+const userId = nanoid();
+const peer = new Peer(userId, {host: '127.0.0.1', port: 4242, path: '/', debug: 3});
+
+// Peer events
+peer.on('open', id => console.log('[LOG] Your ID is', id));
+peer.on('error', err => console.error(err));
+peer.on('connection', conn => {
+    connectedUser = conn;
+    console.log('[LOG] Connected with', conn.peer);
+    conn.on('data', message => receivedMessage(message));
+});
+
+/**
+ * Connects to an user via his id
+ * @param id
+ */
+function connect(id) {
+    const connectionId = nanoid();
+    console.log('[LOG] Connecting to', id);
+    console.log('[LOG] Your connection ID is', connectionId);
+    connectedUser = peer.connect(id, {label: connectionId, reliable: true});
+    connectedUserId = id;
+
+    // setup listener
+    connectedUser.on('open', () => {
+        // TODO: Activate chat or sth
+        // TODO: Send public key
+    });
+
+    connectedUser.on('data', message => receivedMessage(message))
+}
+
+/**
+ * Sends a message to the user with which you're currently connected
+ * @param message
+ */
+function sendMessage(message) {
+    console.log(`[LOG] Sending message ${message} to ${connectedUserId}`);
+    connectedUser.send(message);
+    receivedMessage(message, true);
+}
+
+/**
+ * Renders the incoming messages
+ * @param message
+ * @param self
+ */
+function receivedMessage(message, self = false) {
+    if (self) {
+        $('#messages').append(`<span style="color: green">${message}</span><br>`);
+    } else {
+        $('#messages').append(`${message}<br>`);
+    }
+}
+
+/**
+ * Events after load
+ */
+$(document).ready(() => {
+    $('#add_user_id').on('click', () => connect($('#user_id').val()));
+    $('#send_message').on('click', () => sendMessage($('#message').val()));
+
+    $('[toggle-contact-modal]').on('click', () => $('#add_contact_modal').toggleClass('is-active'))
+});