mail@pastecode.io avatarunknown
a month ago
2.5 kB
The provided JavaScript code appears to be collecting various information related to the user's browser and device. Here's a summary of the information being collected:

Timing Information:

The script captures timing-related data, such as the time taken for different stages of execution, including response start and compute time.
User-Agent Information:

The script gathers details about the user's browser, such as the user agent, browser name, app name, app code name, app version, app minor version, product, product sub, vendor, vendor sub, build ID, platform, operating system CPU, hardware concurrency, language, languages, system language, user language, do not track, Microsoft Do Not Track, cookie enabled, geolocation, vibrate support, maximum touch points, and more.
Plugin and MIME Type Information:

The script collects information about installed browser plugins, their names, descriptions, filenames, types, and suffixes. It also checks for the presence of certain MIME types.
Canvas Fingerprinting:

The script creates an HTML canvas element and draws various shapes and text on it to create a unique "canvas fingerprint" based on the rendered image. This fingerprint can be used to track users across different websites.
Flash Player Detection:

The script checks for the presence of the Flash Player plugin in the browser and gathers version information.
Local Storage and Session Storage:

The script tests whether local storage and session storage are available in the browser and collects the results.
Font Enumeration:

The script captures font-related information, potentially for font enumeration and fingerprinting purposes.
Browser and Operating System Information:

The script collects details about the user's browser, operating system, and device, including browser and OS names, versions, and other related data.
Permission Information:

The script attempts to determine the permissions granted to various features, such as geolocation, notifications, push, midi, camera, microphone, speaker, device info, background sync, bluetooth, persistent storage, ambient light sensor, accelerometer, gyroscope, magnetometer, clipboard, accessibility events, clipboard read, clipboard write, and payment handler.
Other Details:

The script retrieves information about the user's screen dimensions, color depth, pixel depth, and more.
The collected information is then serialized into JSON format and potentially sent to a remote server using an HTTP POST request.