93 lines
3.0 KiB
JavaScript
93 lines
3.0 KiB
JavaScript
// Jackbox Chat Tracker - Injected Script v3.2.0
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// This script intercepts Kosmi's WebSocket connection to capture chat messages
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// NOTE: This runs in the PAGE CONTEXT, not extension context!
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// Store original WebSocket constructor
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const OriginalWebSocket = window.WebSocket;
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// Hook WebSocket constructor to capture Kosmi's WebSocket
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window.WebSocket = function(url, protocols) {
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const socket = new OriginalWebSocket(url, protocols);
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// Check if this is Kosmi's GraphQL WebSocket
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if (url.includes('engine.kosmi.io') || url.includes('gql-ws')) {
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console.log('[Jackbox Chat Tracker] WebSocket hook active');
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// Notify content script that we found the socket
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window.postMessage({
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type: 'JACKBOX_TRACKER_SOCKET_FOUND',
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url: url
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}, '*');
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// Method 1: Hook addEventListener (for event listeners added later)
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const originalAddEventListener = socket.addEventListener.bind(socket);
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socket.addEventListener = function(type, listener, options) {
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if (type === 'message') {
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const wrappedListener = function(event) {
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// Forward to content script
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try {
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const data = JSON.parse(event.data);
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window.postMessage({
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type: 'JACKBOX_TRACKER_WS_MESSAGE',
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data: data
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}, '*');
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} catch (e) {
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// Not JSON, skip
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}
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// Then forward to original listener
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return listener.call(this, event);
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};
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return originalAddEventListener(type, wrappedListener, options);
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}
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return originalAddEventListener(type, listener, options);
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};
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// Method 2: Intercept the onmessage property setter (for direct assignment)
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let realOnMessage = null;
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const descriptor = Object.getOwnPropertyDescriptor(WebSocket.prototype, 'onmessage');
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Object.defineProperty(socket, 'onmessage', {
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get: function() {
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return realOnMessage;
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},
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set: function(handler) {
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// Create wrapped handler
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realOnMessage = function(event) {
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// Forward to content script
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try {
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const data = JSON.parse(event.data);
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window.postMessage({
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type: 'JACKBOX_TRACKER_WS_MESSAGE',
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data: data
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}, '*');
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} catch (e) {
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// Not JSON, skip
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}
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// ALWAYS call original handler
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if (handler) {
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handler.call(socket, event);
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}
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};
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// Actually set it on the underlying WebSocket using the original descriptor
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if (descriptor && descriptor.set) {
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descriptor.set.call(socket, realOnMessage);
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}
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},
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configurable: true
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});
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}
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return socket;
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};
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// Preserve the original constructor properties
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window.WebSocket.prototype = OriginalWebSocket.prototype;
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window.WebSocket.CONNECTING = OriginalWebSocket.CONNECTING;
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window.WebSocket.OPEN = OriginalWebSocket.OPEN;
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window.WebSocket.CLOSING = OriginalWebSocket.CLOSING;
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window.WebSocket.CLOSED = OriginalWebSocket.CLOSED;
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