| 1 |
// Facebook Messenger Content Script for LooseCannon |
| 2 |
console.log('[LooseCannon] Messenger content script loaded'); |
| 3 |
|
| 4 |
class MessengerIntegration { |
| 5 |
constructor() { |
| 6 |
this.isActive = false; |
| 7 |
this.currentChat = null; |
| 8 |
this.messageObserver = null; |
| 9 |
this.platform = 'messenger'; |
| 10 |
this.init(); |
| 11 |
} |
| 12 |
|
| 13 |
init() { |
| 14 |
this.waitForMessenger().then(() => { |
| 15 |
console.log('[LooseCannon] Messenger detected and ready'); |
| 16 |
this.setupMessageObserver(); |
| 17 |
this.injectControls(); |
| 18 |
this.listenForCommands(); |
| 19 |
}); |
| 20 |
} |
| 21 |
|
| 22 |
waitForMessenger() { |
| 23 |
return new Promise((resolve) => { |
| 24 |
const checkForApp = setInterval(() => { |
| 25 |
// Check for Messenger's main chat area |
| 26 |
const chatArea = document.querySelector('[role="main"]'); |
| 27 |
const inputField = document.querySelector('[role="textbox"][aria-label*="Message"], [contenteditable="true"][data-lexical-editor]'); |
| 28 |
|
| 29 |
if (chatArea && inputField) { |
| 30 |
clearInterval(checkForApp); |
| 31 |
console.log('[LooseCannon] Messenger interface detected'); |
| 32 |
resolve(); |
| 33 |
} |
| 34 |
}, 1000); |
| 35 |
}); |
| 36 |
} |
| 37 |
|
| 38 |
setupMessageObserver() { |
| 39 |
// Find the messages container |
| 40 |
const messageContainer = document.querySelector('[role="main"], [aria-label*="Messages"]'); |
| 41 |
|
| 42 |
if (!messageContainer) { |
| 43 |
console.error('[LooseCannon] Could not find Messenger message container'); |
| 44 |
setTimeout(() => this.setupMessageObserver(), 2000); |
| 45 |
return; |
| 46 |
} |
| 47 |
|
| 48 |
const config = { |
| 49 |
childList: true, |
| 50 |
subtree: true, |
| 51 |
characterData: true, |
| 52 |
attributes: true |
| 53 |
}; |
| 54 |
|
| 55 |
this.messageObserver = new MutationObserver((mutations) => { |
| 56 |
if (!this.isActive) return; |
| 57 |
|
| 58 |
mutations.forEach((mutation) => { |
| 59 |
if (mutation.type === 'childList') { |
| 60 |
mutation.addedNodes.forEach((node) => { |
| 61 |
if (this.isIncomingMessage(node)) { |
| 62 |
// Small delay to let DOM settle |
| 63 |
setTimeout(() => { |
| 64 |
this.handleIncomingMessage(node); |
| 65 |
}, 100); |
| 66 |
} |
| 67 |
}); |
| 68 |
} |
| 69 |
}); |
| 70 |
}); |
| 71 |
|
| 72 |
this.messageObserver.observe(messageContainer, config); |
| 73 |
console.log('[LooseCannon] Messenger message observer setup complete'); |
| 74 |
} |
| 75 |
|
| 76 |
isIncomingMessage(node) { |
| 77 |
if (!node || !node.querySelector) return false; |
| 78 |
|
| 79 |
// Look for message containers |
| 80 |
const messageSelectors = [ |
| 81 |
'[role="row"]', |
| 82 |
'[data-scope="messages_table"]', |
| 83 |
'div[class*="__fb-light-mode"]' |
| 84 |
]; |
| 85 |
|
| 86 |
let messageElement = null; |
| 87 |
for (const selector of messageSelectors) { |
| 88 |
messageElement = node.querySelector(selector); |
| 89 |
if (messageElement) break; |
| 90 |
} |
| 91 |
|
| 92 |
if (!messageElement && node.matches) { |
| 93 |
for (const selector of messageSelectors) { |
| 94 |
if (node.matches(selector)) { |
| 95 |
messageElement = node; |
| 96 |
break; |
| 97 |
} |
| 98 |
} |
| 99 |
} |
| 100 |
|
| 101 |
if (!messageElement) return false; |
| 102 |
|
| 103 |
// Check if it's an incoming message by looking for specific patterns |
| 104 |
// Messenger uses different styling for sent vs received messages |
| 105 |
const messageText = messageElement.textContent || ''; |
| 106 |
|
| 107 |
// Skip if it's empty or a status message |
| 108 |
if (!messageText || messageText.length < 2) return false; |
| 109 |
|
| 110 |
// Check if message is on the left side (incoming) |
| 111 |
const computedStyle = window.getComputedStyle(messageElement); |
| 112 |
const isLeftAligned = computedStyle.textAlign === 'left' || |
| 113 |
computedStyle.justifyContent === 'flex-start'; |
| 114 |
|
| 115 |
// Additional check: sent messages usually have different background |
| 116 |
const backgroundColor = computedStyle.backgroundColor; |
| 117 |
const isSentMessage = backgroundColor && ( |
| 118 |
backgroundColor.includes('rgb(0, 132, 255)') || // Blue for sent |
| 119 |
backgroundColor.includes('rgb(24, 119, 242)') // Facebook blue |
| 120 |
); |
| 121 |
|
| 122 |
return isLeftAligned && !isSentMessage; |
| 123 |
} |
| 124 |
|
| 125 |
handleIncomingMessage(node) { |
| 126 |
const messageData = this.extractMessageData(node); |
| 127 |
|
| 128 |
if (!messageData.content && !messageData.media) { |
| 129 |
return; // Empty message, skip |
| 130 |
} |
| 131 |
|
| 132 |
const timestamp = new Date().toISOString(); |
| 133 |
const chatId = this.getCurrentChatId(); |
| 134 |
|
| 135 |
console.log('[LooseCannon] Messenger message detected:', messageData); |
| 136 |
|
| 137 |
// Send to background script |
| 138 |
browser.runtime.sendMessage({ |
| 139 |
type: 'NEW_MESSAGE', |
| 140 |
data: { |
| 141 |
...messageData, |
| 142 |
timestamp, |
| 143 |
chatId, |
| 144 |
platform: this.platform |
| 145 |
} |
| 146 |
}).then(response => { |
| 147 |
if (response && response.reply) { |
| 148 |
this.simulateTypingAndSend(response.reply, response.delay); |
| 149 |
} |
| 150 |
}).catch(error => { |
| 151 |
console.error('[LooseCannon] Error sending message to background:', error); |
| 152 |
}); |
| 153 |
} |
| 154 |
|
| 155 |
extractMessageData(node) { |
| 156 |
const data = { |
| 157 |
type: 'text', |
| 158 |
content: '', |
| 159 |
media: null, |
| 160 |
metadata: {} |
| 161 |
}; |
| 162 |
|
| 163 |
// Extract text content |
| 164 |
const textSelectors = [ |
| 165 |
'[dir="auto"]', |
| 166 |
'span[class*="text"]', |
| 167 |
'div[class*="text"]' |
| 168 |
]; |
| 169 |
|
| 170 |
for (const selector of textSelectors) { |
| 171 |
const textElement = node.querySelector(selector); |
| 172 |
if (textElement && textElement.textContent) { |
| 173 |
data.content = textElement.textContent.trim(); |
| 174 |
break; |
| 175 |
} |
| 176 |
} |
| 177 |
|
| 178 |
// Fallback to full text content |
| 179 |
if (!data.content) { |
| 180 |
data.content = node.textContent || node.innerText || ''; |
| 181 |
data.content = data.content.trim(); |
| 182 |
} |
| 183 |
|
| 184 |
// Check for images |
| 185 |
const imageElement = node.querySelector('img[src*="scontent"], img[src*="fbcdn"]'); |
| 186 |
if (imageElement) { |
| 187 |
data.type = 'image'; |
| 188 |
data.media = { type: 'image', src: imageElement.src }; |
| 189 |
data.metadata.hasImage = true; |
| 190 |
} |
| 191 |
|
| 192 |
// Check for links |
| 193 |
const linkElements = node.querySelectorAll('a[href]'); |
| 194 |
if (linkElements.length > 0) { |
| 195 |
data.metadata.links = Array.from(linkElements).map(a => a.href); |
| 196 |
} |
| 197 |
|
| 198 |
// Check for stickers or GIFs |
| 199 |
if (node.querySelector('[aria-label*="sticker"], [aria-label*="GIF"]')) { |
| 200 |
data.type = 'sticker'; |
| 201 |
data.media = { type: 'sticker' }; |
| 202 |
} |
| 203 |
|
| 204 |
// Check for voice messages |
| 205 |
if (node.querySelector('[aria-label*="Audio"], [aria-label*="Voice"]')) { |
| 206 |
data.type = 'audio'; |
| 207 |
data.media = { type: 'audio' }; |
| 208 |
data.metadata.hasAudio = true; |
| 209 |
} |
| 210 |
|
| 211 |
// Extract phone numbers and emails from content |
| 212 |
if (data.content) { |
| 213 |
const phoneRegex = /[\+]?[(]?[0-9]{1,4}[)]?[-\s\.]?[(]?[0-9]{1,4}[)]?[-\s\.]?[0-9]{1,5}[-\s\.]?[0-9]{1,5}/g; |
| 214 |
const phones = data.content.match(phoneRegex); |
| 215 |
if (phones) { |
| 216 |
data.metadata.phoneNumbers = phones; |
| 217 |
} |
| 218 |
|
| 219 |
const emailRegex = /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g; |
| 220 |
const emails = data.content.match(emailRegex); |
| 221 |
if (emails) { |
| 222 |
data.metadata.emails = emails; |
| 223 |
} |
| 224 |
} |
| 225 |
|
| 226 |
return data; |
| 227 |
} |
| 228 |
|
| 229 |
getCurrentChatId() { |
| 230 |
// Try to get chat name from header |
| 231 |
const headerSelectors = [ |
| 232 |
'[role="banner"] h1', |
| 233 |
'header span[dir="auto"]', |
| 234 |
'[aria-label*="Conversation with"]' |
| 235 |
]; |
| 236 |
|
| 237 |
for (const selector of headerSelectors) { |
| 238 |
const element = document.querySelector(selector); |
| 239 |
if (element) { |
| 240 |
const text = element.textContent || element.getAttribute('aria-label') || ''; |
| 241 |
if (text) { |
| 242 |
return text.replace('Conversation with ', '').trim(); |
| 243 |
} |
| 244 |
} |
| 245 |
} |
| 246 |
|
| 247 |
return 'unknown'; |
| 248 |
} |
| 249 |
|
| 250 |
simulateTypingAndSend(text, delay = 3000) { |
| 251 |
// Show typing indicator |
| 252 |
this.startTyping(); |
| 253 |
|
| 254 |
// Calculate realistic delay |
| 255 |
const wordCount = text.split(' ').length; |
| 256 |
const typingDelay = Math.min(delay || (wordCount * 200 + 2000), 10000); |
| 257 |
|
| 258 |
setTimeout(() => { |
| 259 |
this.stopTyping(); |
| 260 |
this.sendMessage(text); |
| 261 |
}, typingDelay); |
| 262 |
} |
| 263 |
|
| 264 |
startTyping() { |
| 265 |
const inputField = this.getInputField(); |
| 266 |
if (!inputField) return; |
| 267 |
|
| 268 |
// Focus the input |
| 269 |
inputField.focus(); |
| 270 |
|
| 271 |
// Add placeholder text to trigger typing indicator |
| 272 |
this.setInputText(inputField, '...'); |
| 273 |
|
| 274 |
// Trigger input event |
| 275 |
const event = new Event('input', { bubbles: true }); |
| 276 |
inputField.dispatchEvent(event); |
| 277 |
} |
| 278 |
|
| 279 |
stopTyping() { |
| 280 |
const inputField = this.getInputField(); |
| 281 |
if (!inputField) return; |
| 282 |
|
| 283 |
// Clear the placeholder |
| 284 |
this.setInputText(inputField, ''); |
| 285 |
} |
| 286 |
|
| 287 |
sendMessage(text) { |
| 288 |
const inputField = this.getInputField(); |
| 289 |
|
| 290 |
if (!inputField) { |
| 291 |
console.error('[LooseCannon] Could not find Messenger input field'); |
| 292 |
return; |
| 293 |
} |
| 294 |
|
| 295 |
// Set the message text |
| 296 |
this.setInputText(inputField, text); |
| 297 |
|
| 298 |
// Trigger input event |
| 299 |
const inputEvent = new Event('input', { bubbles: true }); |
| 300 |
inputField.dispatchEvent(inputEvent); |
| 301 |
|
| 302 |
// Small delay then send |
| 303 |
setTimeout(() => { |
| 304 |
// Try to find and click send button |
| 305 |
const sendButtonSelectors = [ |
| 306 |
'[aria-label="Send"]', |
| 307 |
'[aria-label="Press Enter to send"]', |
| 308 |
'div[role="button"][aria-label*="Send"]' |
| 309 |
]; |
| 310 |
|
| 311 |
let sendButton = null; |
| 312 |
for (const selector of sendButtonSelectors) { |
| 313 |
sendButton = document.querySelector(selector); |
| 314 |
if (sendButton) break; |
| 315 |
} |
| 316 |
|
| 317 |
if (sendButton) { |
| 318 |
sendButton.click(); |
| 319 |
console.log('[LooseCannon] Messenger message sent via button'); |
| 320 |
} else { |
| 321 |
// Fallback: simulate Enter key |
| 322 |
const enterEvent = new KeyboardEvent('keydown', { |
| 323 |
key: 'Enter', |
| 324 |
keyCode: 13, |
| 325 |
which: 13, |
| 326 |
bubbles: true, |
| 327 |
cancelable: true |
| 328 |
}); |
| 329 |
inputField.dispatchEvent(enterEvent); |
| 330 |
console.log('[LooseCannon] Messenger message sent via Enter key'); |
| 331 |
} |
| 332 |
}, 100); |
| 333 |
} |
| 334 |
|
| 335 |
getInputField() { |
| 336 |
const selectors = [ |
| 337 |
'[role="textbox"][aria-label*="Message"]', |
| 338 |
'[contenteditable="true"][data-lexical-editor]', |
| 339 |
'[role="textbox"][contenteditable="true"]', |
| 340 |
'div[contenteditable="true"][role="textbox"]' |
| 341 |
]; |
| 342 |
|
| 343 |
for (const selector of selectors) { |
| 344 |
const field = document.querySelector(selector); |
| 345 |
if (field) return field; |
| 346 |
} |
| 347 |
|
| 348 |
return null; |
| 349 |
} |
| 350 |
|
| 351 |
setInputText(inputField, text) { |
| 352 |
if (inputField.getAttribute('contenteditable') === 'true') { |
| 353 |
// For contenteditable elements (Messenger uses these) |
| 354 |
inputField.textContent = text; |
| 355 |
|
| 356 |
// Also try setting innerHTML for Lexical editor |
| 357 |
if (text) { |
| 358 |
inputField.innerHTML = `<p>${text}</p>`; |
| 359 |
} else { |
| 360 |
inputField.innerHTML = ''; |
| 361 |
} |
| 362 |
|
| 363 |
// Move cursor to end |
| 364 |
const range = document.createRange(); |
| 365 |
const selection = window.getSelection(); |
| 366 |
range.selectNodeContents(inputField); |
| 367 |
range.collapse(false); |
| 368 |
selection.removeAllRanges(); |
| 369 |
selection.addRange(range); |
| 370 |
} else { |
| 371 |
// For regular input/textarea |
| 372 |
inputField.value = text; |
| 373 |
} |
| 374 |
|
| 375 |
// Trigger various events that Messenger might listen to |
| 376 |
['input', 'change', 'keyup'].forEach(eventType => { |
| 377 |
const event = new Event(eventType, { bubbles: true }); |
| 378 |
inputField.dispatchEvent(event); |
| 379 |
}); |
| 380 |
} |
| 381 |
|
| 382 |
injectControls() { |
| 383 |
const style = document.createElement('style'); |
| 384 |
style.textContent = ` |
| 385 |
.loosecannon-toggle-messenger { |
| 386 |
position: fixed; |
| 387 |
bottom: 20px; |
| 388 |
right: 20px; |
| 389 |
z-index: 9999; |
| 390 |
background: linear-gradient(135deg, #0084ff, #44bfff); |
| 391 |
color: white; |
| 392 |
border: none; |
| 393 |
border-radius: 50px; |
| 394 |
padding: 12px 20px; |
| 395 |
cursor: pointer; |
| 396 |
font-weight: bold; |
| 397 |
box-shadow: 0 2px 10px rgba(0,132,255,0.4); |
| 398 |
transition: all 0.3s; |
| 399 |
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; |
| 400 |
} |
| 401 |
|
| 402 |
.loosecannon-toggle-messenger.active { |
| 403 |
background: linear-gradient(135deg, #44ff44, #66ff66); |
| 404 |
} |
| 405 |
|
| 406 |
.loosecannon-toggle-messenger:hover { |
| 407 |
transform: scale(1.05); |
| 408 |
box-shadow: 0 4px 15px rgba(0,132,255,0.6); |
| 409 |
} |
| 410 |
|
| 411 |
.loosecannon-indicator-messenger { |
| 412 |
position: fixed; |
| 413 |
top: 70px; |
| 414 |
right: 20px; |
| 415 |
background: rgba(0, 132, 255, 0.9); |
| 416 |
color: white; |
| 417 |
padding: 8px 15px; |
| 418 |
border-radius: 20px; |
| 419 |
font-size: 12px; |
| 420 |
z-index: 9999; |
| 421 |
display: none; |
| 422 |
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; |
| 423 |
} |
| 424 |
|
| 425 |
.loosecannon-indicator-messenger.active { |
| 426 |
display: block; |
| 427 |
background: rgba(68, 255, 68, 0.9); |
| 428 |
} |
| 429 |
`; |
| 430 |
document.head.appendChild(style); |
| 431 |
|
| 432 |
const toggleButton = document.createElement('button'); |
| 433 |
toggleButton.className = 'loosecannon-toggle-messenger'; |
| 434 |
toggleButton.textContent = 'LC: OFF'; |
| 435 |
toggleButton.onclick = () => this.toggleActive(); |
| 436 |
document.body.appendChild(toggleButton); |
| 437 |
|
| 438 |
const indicator = document.createElement('div'); |
| 439 |
indicator.className = 'loosecannon-indicator-messenger'; |
| 440 |
indicator.innerHTML = '🤖 LooseCannon Active<br><small>Messenger</small>'; |
| 441 |
document.body.appendChild(indicator); |
| 442 |
} |
| 443 |
|
| 444 |
toggleActive() { |
| 445 |
this.isActive = !this.isActive; |
| 446 |
this.updateUI(); |
| 447 |
|
| 448 |
const chatId = this.getCurrentChatId(); |
| 449 |
console.log(`[LooseCannon] Messenger ${this.isActive ? 'activated' : 'deactivated'} for: ${chatId}`); |
| 450 |
|
| 451 |
// Notify background script |
| 452 |
browser.runtime.sendMessage({ |
| 453 |
type: 'TOGGLE_ACTIVE', |
| 454 |
data: { |
| 455 |
isActive: this.isActive, |
| 456 |
chatId: chatId, |
| 457 |
platform: this.platform |
| 458 |
} |
| 459 |
}); |
| 460 |
} |
| 461 |
|
| 462 |
updateUI() { |
| 463 |
const button = document.querySelector('.loosecannon-toggle-messenger'); |
| 464 |
const indicator = document.querySelector('.loosecannon-indicator-messenger'); |
| 465 |
|
| 466 |
if (this.isActive) { |
| 467 |
button?.classList.add('active'); |
| 468 |
if (button) button.textContent = 'LC: ON'; |
| 469 |
indicator?.classList.add('active'); |
| 470 |
} else { |
| 471 |
button?.classList.remove('active'); |
| 472 |
if (button) button.textContent = 'LC: OFF'; |
| 473 |
indicator?.classList.remove('active'); |
| 474 |
} |
| 475 |
} |
| 476 |
|
| 477 |
listenForCommands() { |
| 478 |
browser.runtime.onMessage.addListener((message, sender, sendResponse) => { |
| 479 |
switch (message.type) { |
| 480 |
case 'GET_STATUS': |
| 481 |
sendResponse({ |
| 482 |
isActive: this.isActive, |
| 483 |
platform: this.platform, |
| 484 |
currentChat: this.currentChat |
| 485 |
}); |
| 486 |
break; |
| 487 |
|
| 488 |
case 'SET_ACTIVE': |
| 489 |
this.isActive = message.data.isActive; |
| 490 |
this.updateUI(); |
| 491 |
break; |
| 492 |
|
| 493 |
case 'SEND_MESSAGE': |
| 494 |
this.simulateTypingAndSend(message.data.text, message.data.delay); |
| 495 |
break; |
| 496 |
|
| 497 |
case 'SCAMMER_DETECTED': |
| 498 |
this.showScammerAlert(message.data.score); |
| 499 |
break; |
| 500 |
} |
| 501 |
}); |
| 502 |
} |
| 503 |
|
| 504 |
showScammerAlert(score) { |
| 505 |
const alert = document.createElement('div'); |
| 506 |
alert.innerHTML = ` |
| 507 |
<div style=" |
| 508 |
position: fixed; |
| 509 |
top: 100px; |
| 510 |
right: 20px; |
| 511 |
background: linear-gradient(135deg, #ff4444, #ff6666); |
| 512 |
color: white; |
| 513 |
padding: 15px 20px; |
| 514 |
border-radius: 12px; |
| 515 |
z-index: 10000; |
| 516 |
box-shadow: 0 4px 20px rgba(255,68,68,0.4); |
| 517 |
animation: slideIn 0.3s ease; |
| 518 |
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; |
| 519 |
"> |
| 520 |
<strong>⚠️ Potential Scammer Detected!</strong><br> |
| 521 |
<small>Confidence: ${(score * 100).toFixed(0)}%</small><br> |
| 522 |
<small>LooseCannon ready to engage</small> |
| 523 |
</div> |
| 524 |
`; |
| 525 |
|
| 526 |
document.body.appendChild(alert); |
| 527 |
|
| 528 |
setTimeout(() => { |
| 529 |
alert.remove(); |
| 530 |
}, 5000); |
| 531 |
} |
| 532 |
} |
| 533 |
|
| 534 |
// Initialize when DOM is ready |
| 535 |
if (document.readyState === 'loading') { |
| 536 |
document.addEventListener('DOMContentLoaded', () => new MessengerIntegration()); |
| 537 |
} else { |
| 538 |
new MessengerIntegration(); |
| 539 |
} |