PowerShellを使った簡易的なWebサーバー

一つ上へ

# ルートディレクトリを指定（この中のファイルを配信）
$RootDir = "\Path\TO\wwwroot"
 
# HttpListenerを初期化
$listener = New-Object System.Net.HttpListener
$listener.Prefixes.Add("http://localhost:8080/")   # 8080で待ち受け
$listener.Start()
Write-Host "Serving files from $RootDir at http://localhost:8080/"
 
# MIMEタイプの辞書（最低限）
$mimeTypes = @{
    ".html" = "text/html"
    ".htm"  = "text/html"
    ".css"  = "text/css"
    ".js"   = "application/javascript"
    ".png"  = "image/png"
    ".jpg"  = "image/jpeg"
    ".jpeg" = "image/jpeg"
    ".gif"  = "image/gif"
    ".ico"  = "image/x-icon"
}
 
while ($listener.IsListening) {
    $context  = $listener.GetContext()
    $request  = $context.Request
    $response = $context.Response
 
    # リクエストされたパスを取得
    $path = $request.Url.LocalPath.TrimStart("/")
    if ([string]::IsNullOrEmpty($path)) { $path = "index.html" }  # デフォルト index.html
 
    $filePath = Join-Path $RootDir $path
 
    if (Test-Path $filePath) {
        try {
            $bytes = [System.IO.File]::ReadAllBytes($filePath)
 
            # MIMEタイプを判定
            $ext = [System.IO.Path]::GetExtension($filePath).ToLower()
            if ($mimeTypes.ContainsKey($ext)) {
                $response.ContentType = $mimeTypes[$ext]
            } else {
                $response.ContentType = "application/octet-stream"
            }
 
            $response.ContentLength64 = $bytes.Length
            $response.OutputStream.Write($bytes, 0, $bytes.Length)
        } catch {
            $response.StatusCode = 500
            $msg = "500 Internal Server Error"
            $bytes = [System.Text.Encoding]::UTF8.GetBytes($msg)
            $response.OutputStream.Write($bytes, 0, $bytes.Length)
        }
    } else {
        $response.StatusCode = 404
        $msg = "404 Not Found"
        $bytes = [System.Text.Encoding]::UTF8.GetBytes($msg)
        $response.OutputStream.Write($bytes, 0, $bytes.Length)
    }
 
    $response.OutputStream.Close()
}