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April 22, 2025 22:49
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A powershell script for self-hosting a Chrome extension
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| Add-Type -AssemblyName System.Net.HttpListener | |
| $listener = New-Object System.Net.HttpListener | |
| $listener.Prefixes.Add("http://localhost:8080/") | |
| $listener.Start() | |
| Write-Host "Listening on http://localhost:8080/" | |
| while ($listener.IsListening) { | |
| $context = $listener.GetContext() | |
| $request = $context.Request | |
| $response = $context.Response | |
| $path = $request.Url.AbsolutePath | |
| switch ($path) { | |
| '/' { | |
| $html = @" | |
| <!DOCTYPE html> | |
| <html> | |
| <head><title>Extension Download</title></head> | |
| <body> | |
| <h1>Download Extension</h1> | |
| <button onclick="window.location.href='/ext.crx'">Download .crx</button> | |
| </body> | |
| </html> | |
| "@ | |
| $bytes = [System.Text.Encoding]::UTF8.GetBytes($html) | |
| $response.ContentType = "text/html" | |
| $response.ContentEncoding = [System.Text.Encoding]::UTF8 | |
| $response.ContentLength64 = $bytes.Length | |
| $response.OutputStream.Write($bytes, 0, $bytes.Length) | |
| $response.OutputStream.Close() | |
| } | |
| '/update.xml' { | |
| $xml = @" | |
| <?xml version='1.0' encoding='UTF-8'?> | |
| <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'> | |
| <app appid='aaabbbcccdddeeefff'> | |
| <updatecheck codebase='http://localhost:8080/ext.crx' version='1.0' /> | |
| </app> | |
| </gupdate> | |
| "@ | |
| $bytes = [System.Text.Encoding]::UTF8.GetBytes($xml) | |
| $response.ContentType = "text/xml" | |
| $response.ContentEncoding = [System.Text.Encoding]::UTF8 | |
| $response.ContentLength64 = $bytes.Length | |
| $response.OutputStream.Write($bytes, 0, $bytes.Length) | |
| $response.OutputStream.Close() | |
| } | |
| '/ext.crx' { | |
| $filePath = "C:\Path\To\Your\Extension.crx" | |
| if (Test-Path $filePath) { | |
| $bytes = [System.IO.File]::ReadAllBytes($filePath) | |
| $response.ContentType = "application/x-chrome-extension" | |
| $response.ContentLength64 = $bytes.Length | |
| $response.OutputStream.Write($bytes, 0, $bytes.Length) | |
| } else { | |
| $response.StatusCode = 404 | |
| $error = [System.Text.Encoding]::UTF8.GetBytes("File not found") | |
| $response.OutputStream.Write($error, 0, $error.Length) | |
| } | |
| $response.OutputStream.Close() | |
| } | |
| default { | |
| $response.StatusCode = 404 | |
| $msg = [System.Text.Encoding]::UTF8.GetBytes("Not found") | |
| $response.OutputStream.Write($msg, 0, $msg.Length) | |
| $response.OutputStream.Close() | |
| } | |
| } | |
| } | |
| $listener.Stop() |
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