chore: add zero-dependency static launcher

2026-08-28 08:49:24 +09:00
parent bfc37e76c7
commit 4c5756a5a9
8 changed files with 539 additions and 0 deletions
@@ -0,0 +1,112 @@
+param(
+    [ValidateRange(1024, 65535)]
+    [int]$Port = 4173,
+    [switch]$NoBrowser
+)
+
+$ErrorActionPreference = 'Stop'
+$projectRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
+$rootWithSeparator = $projectRoot.TrimEnd([System.IO.Path]::DirectorySeparatorChar) + [System.IO.Path]::DirectorySeparatorChar
+$serverUrl = "http://127.0.0.1:$Port/"
+$listener = [System.Net.HttpListener]::new()
+$listener.Prefixes.Add($serverUrl)
+
+$mimeTypes = @{
+    '.css'  = 'text/css; charset=utf-8'
+    '.flac' = 'audio/flac'
+    '.html' = 'text/html; charset=utf-8'
+    '.ico'  = 'image/x-icon'
+    '.jpeg' = 'image/jpeg'
+    '.jpg'  = 'image/jpeg'
+    '.js'   = 'text/javascript; charset=utf-8'
+    '.json' = 'application/json; charset=utf-8'
+    '.md'   = 'text/markdown; charset=utf-8'
+    '.png'  = 'image/png'
+    '.svg'  = 'image/svg+xml'
+    '.wav'  = 'audio/wav'
+    '.webp' = 'image/webp'
+}
+
+function Send-TextResponse {
+    param(
+        [System.Net.HttpListenerResponse]$Response,
+        [int]$StatusCode,
+        [string]$Message
+    )
+
+    $body = [System.Text.Encoding]::UTF8.GetBytes($Message)
+    $Response.StatusCode = $StatusCode
+    $Response.ContentType = 'text/plain; charset=utf-8'
+    $Response.ContentLength64 = $body.Length
+    $Response.OutputStream.Write($body, 0, $body.Length)
+}
+
+try {
+    $listener.Start()
+    Write-Host "micarrsim is running at $serverUrl" -ForegroundColor Green
+    Write-Host 'Press Ctrl+C to stop.' -ForegroundColor DarkGray
+
+    if (-not $NoBrowser) {
+        Start-Process $serverUrl
+    }
+
+    while ($listener.IsListening) {
+        $context = $listener.GetContext()
+
+        try {
+            $relativePath = [System.Uri]::UnescapeDataString($context.Request.Url.AbsolutePath.TrimStart('/'))
+            $relativePath = $relativePath.Replace('/', [System.IO.Path]::DirectorySeparatorChar)
+            if ([string]::IsNullOrWhiteSpace($relativePath)) {
+                $relativePath = 'index.html'
+            }
+
+            $candidatePath = [System.IO.Path]::GetFullPath((Join-Path $projectRoot $relativePath))
+            $isWithinRoot = $candidatePath.Equals($projectRoot, [System.StringComparison]::OrdinalIgnoreCase) -or
+                $candidatePath.StartsWith($rootWithSeparator, [System.StringComparison]::OrdinalIgnoreCase)
+
+            if (-not $isWithinRoot) {
+                Send-TextResponse -Response $context.Response -StatusCode 403 -Message 'Forbidden'
+                continue
+            }
+
+            if ([System.IO.Directory]::Exists($candidatePath)) {
+                $candidatePath = Join-Path $candidatePath 'index.html'
+            }
+
+            if (-not [System.IO.File]::Exists($candidatePath)) {
+                Send-TextResponse -Response $context.Response -StatusCode 404 -Message 'Not found'
+                continue
+            }
+
+            $content = [System.IO.File]::ReadAllBytes($candidatePath)
+            $extension = [System.IO.Path]::GetExtension($candidatePath).ToLowerInvariant()
+            $contentType = $mimeTypes[$extension]
+            if ([string]::IsNullOrWhiteSpace($contentType)) {
+                $contentType = 'application/octet-stream'
+            }
+
+            $context.Response.StatusCode = 200
+            $context.Response.ContentType = $contentType
+            $context.Response.ContentLength64 = $content.Length
+            $context.Response.Headers['Cache-Control'] = 'no-store'
+            if ($context.Request.HttpMethod -ne 'HEAD') {
+                $context.Response.OutputStream.Write($content, 0, $content.Length)
+            }
+        }
+        catch {
+            if ($context.Response.OutputStream.CanWrite) {
+                Send-TextResponse -Response $context.Response -StatusCode 500 -Message 'Internal server error'
+            }
+            Write-Warning $_
+        }
+        finally {
+            $context.Response.OutputStream.Close()
+        }
+    }
+}
+finally {
+    if ($listener.IsListening) {
+        $listener.Stop()
+    }
+    $listener.Close()
+}