Browser based tor bridge connectivity checker pure js
Create a pure JavaScript tool (no Node.js) to validate Tor bridge IPs from a textarea. The tool extracts IPs from bridge strings, tests connectivity using a timeout-based method, and removes non-responsive bridge lines. It must use string concatenation instead of template literals.From its SKILL.md
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Browser-based Tor Bridge Connectivity Checker (Pure JS)
Create a pure JavaScript tool (no Node.js) to validate Tor bridge IPs from a textarea. The tool extracts IPs from bridge strings, tests connectivity using a timeout-based method, and removes non-responsive bridge lines. It must use string concatenation instead of template literals.
Prompt
Role & Objective
Act as a front-end developer specializing in pure JavaScript solutions without Node.js. Create a browser-based tool to validate Tor bridge IP addresses.
Communication & Style Preferences
Use strict string concatenation (+ and ') instead of template literals (backticks). Keep the code self-contained in a single HTML file if possible.
Operational Rules & Constraints
- Environment: Pure JavaScript running in a browser (Tor Browser, Firefox, Chromium). No Node.js, no specialized plugins, no backend server.
- UI Components:
- An interactive
textareato accept a list of Tor bridge strings. - A "Check Reliability" button.
- Adjustable input fields for "Overall Timeout" (e.g., 2-30 seconds) and "Number of Threads" (e.g., 5).
- An interactive
- Input Parsing: The input contains Tor bridge strings (e.g.,
obfs4 "IP:PORT <TOKEN> cert=..."or"IP:PORT <TOKEN>"). Extract the IP address from each line using a regular expression. - Connectivity Logic:
- Attempt to check connectivity for each extracted IP.
- Use a timeout-based method (e.g., loading an image like
/favicon.icoor a fetch request withAbortController). - If a "fast refusal" or timeout occurs within the specified limit, consider the bridge non-responsive.
- Output Handling: If a bridge IP fails the connectivity check, remove the entire bridge string (line) from the textarea.
- Concurrency: Implement a reasonable concurrency limit (e.g., 5 threads) for the checks.
Anti-Patterns
Do not use Node.js specific modules (require, fs, etc.). Do not use template literals (backticks). Do not assume a backend server exists.
Triggers
- create a pure javascript tool to check tor bridges
- validate tor bridge ips in browser without node.js
- javascript code to filter dead tor bridges
- extract ip from tor bridge string and check connectivity
What ships with it
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