Initial commit: ClawdDotNet
Import des bestehenden Projektstands in Git. - .NET 10 WinForms Anwendung (Multi-Agent / Tool-System) - .gitignore fuer Build-Artefakte, Secrets und Runtime-Daten ergaenzt Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
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using System.Text;
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using System.Text.Json;
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using ClawdDotNet.Core.Tools;
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using FluentFTP;
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using Microsoft.Extensions.Logging;
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namespace ClawdDotNet.Tools.FTP;
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public sealed class FTPTool : IAgentTool
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{
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public string Name => "FTP";
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public string Description => """
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Erlaubt den Dateitransfer zwischen dem lokalen Workspace und einem Remote-FTP/FTPS-Server.
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Für localPath werden die gleichen Workspace-Prefixe wie beim FileRW-Tool unterstützt:
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- "personal:website/index.html" → Datei im persönlichen Agent-Workspace
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- "shared:website/index.html" → Datei im geteilten SharedWorkspace
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- Ohne Prefix wird der persönliche Workspace verwendet.
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Beispiel Upload: { "action": "upload", "localPath": "shared:website/index.html", "remotePath": "/index.html" }
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""";
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public JsonElement InputSchema { get; } = JsonDocument.Parse("""
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{
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"type": "object",
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"properties": {
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"action": {
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"type": "string",
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"enum": ["upload", "download", "list", "delete"],
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"description": "Die auszuführende Aktion"
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},
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"localPath": {
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"type": "string",
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"description": "Pfad zur lokalen Datei mit optionalem Workspace-Prefix: 'personal:datei.txt' (Standard) oder 'shared:datei.txt' für den SharedWorkspace. Ohne Prefix wird der persönliche Workspace verwendet."
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},
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"remotePath": {
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"type": "string",
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"description": "Pfad auf dem FTP-Server"
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}
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},
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"required": ["action"]
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}
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""").RootElement.Clone();
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public async Task<ToolResult> ExecuteAsync(
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JsonElement input,
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AgentToolContext context,
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CancellationToken ct)
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{
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var action = input.GetProperty("action").GetString()
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?? throw new ArgumentException("'action' is required");
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var config = context.ToolConfig;
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var host = config.TryGetValue("host", out var h) ? h?.ToString() : null;
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var username = config.TryGetValue("username", out var u) ? u?.ToString() : null;
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var password = config.TryGetValue("password", out var p) ? p?.ToString() : null;
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var port = 21;
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if (config.TryGetValue("port", out var po) && po is JsonElement portElement)
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port = portElement.TryGetInt32(out var p32) ? p32 : 21;
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if (string.IsNullOrWhiteSpace(host))
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{
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return ToolResult.Fail("Konfigurationsfehler: 'host' ist erforderlich.");
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}
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// SSL/TLS-Modus aus Config lesen (Standard: true)
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var useSsl = true;
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if (config.TryGetValue("useSsl", out var sslVal))
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{
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if (sslVal is JsonElement sslElem) useSsl = sslElem.GetBoolean();
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else if (sslVal is bool sslBool) useSsl = sslBool;
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}
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using var ftpClient = new AsyncFtpClient(host, username, password, port);
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if (useSsl)
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{
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ftpClient.Config.EncryptionMode = FtpEncryptionMode.Explicit;
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ftpClient.Config.ValidateAnyCertificate = true;
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}
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try
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{
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await ftpClient.Connect(ct);
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return action switch
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{
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"upload" => await HandleUploadAsync(ftpClient, input, context, ct),
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"download" => await HandleDownloadAsync(ftpClient, input, context, ct),
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"list" => await HandleListAsync(ftpClient, input, context, ct),
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"delete" => await HandleDeleteAsync(ftpClient, input, context, ct),
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_ => ToolResult.Fail($"Unbekannte Aktion: {action}")
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};
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}
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catch (Exception ex)
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{
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context.Logger.LogError(ex, "Fehler bei FTP Aktion {Action} auf {Host}", action, host);
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return ToolResult.Fail($"Fehler: {ex.Message}");
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}
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finally
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{
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if (ftpClient.IsConnected) await ftpClient.Disconnect(ct);
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}
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}
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/// <summary>
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/// Löst einen localPath mit optionalem Workspace-Prefix auf.
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/// "shared:website/index.html" → SharedWorkspace + "website/index.html"
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/// "personal:datei.txt" → persönlicher Workspace + "datei.txt"
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/// "datei.txt" → persönlicher Workspace + "datei.txt" (Standard)
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/// </summary>
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private (string fullPath, string workspaceLabel) ResolveLocalPath(string localPath, AgentToolContext context)
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{
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string basePath;
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string relativePath;
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string label;
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if (localPath.StartsWith("shared:", StringComparison.OrdinalIgnoreCase))
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{
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relativePath = localPath[7..]; // nach "shared:"
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basePath = context.SharedWorkspacePath
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?? throw new ArgumentException("Kein SharedWorkspace konfiguriert.");
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label = "shared";
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}
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else if (localPath.StartsWith("personal:", StringComparison.OrdinalIgnoreCase))
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{
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relativePath = localPath[9..]; // nach "personal:"
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basePath = context.WorkspacePath
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?? throw new ArgumentException("Kein persönlicher Workspace konfiguriert.");
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label = "personal";
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}
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else
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{
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// Kein Prefix → persönlicher Workspace als Standard
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relativePath = localPath;
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basePath = context.WorkspacePath
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?? throw new ArgumentException("Kein persönlicher Workspace konfiguriert.");
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label = "personal";
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}
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// Config-rootPath als Override (nur wenn kein Prefix verwendet)
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if (label == "personal" && !localPath.Contains(':'))
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{
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if (context.ToolConfig.TryGetValue("rootPath", out var rp) && !string.IsNullOrWhiteSpace(rp?.ToString()))
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{
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basePath = rp.ToString()!;
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}
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}
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basePath = Path.GetFullPath(basePath);
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var fullPath = Path.GetFullPath(Path.Combine(basePath, relativePath));
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// Sicherheitsprüfung: Kein Ausbruch aus dem Workspace
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if (!fullPath.StartsWith(basePath, StringComparison.OrdinalIgnoreCase))
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{
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throw new UnauthorizedAccessException(
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$"Zugriff außerhalb des {label} Workspace-Verzeichnisses verweigert.");
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}
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return (fullPath, label);
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}
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private async Task<ToolResult> HandleUploadAsync(IAsyncFtpClient client, JsonElement input, AgentToolContext context, CancellationToken ct)
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{
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var localRel = input.TryGetProperty("localPath", out var lp) ? lp.GetString() : null;
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var remote = input.TryGetProperty("remotePath", out var rp) ? rp.GetString() : null;
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if (string.IsNullOrWhiteSpace(localRel) || string.IsNullOrWhiteSpace(remote))
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{
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return ToolResult.Fail("'localPath' und 'remotePath' sind für upload erforderlich.");
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}
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try
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{
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var (localFull, wsLabel) = ResolveLocalPath(localRel, context);
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if (!File.Exists(localFull))
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return ToolResult.Fail($"Lokale Datei nicht gefunden: {localRel} (aufgelöst: {localFull})");
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var status = await client.UploadFile(localFull, remote, FtpRemoteExists.Overwrite, true, FtpVerify.None, null, ct);
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if (status != FtpStatus.Success)
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return ToolResult.Fail($"Upload fehlgeschlagen: {status}");
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// Bei HTML/CSS/JS-Uploads: .htaccess für UTF-8 sicherstellen
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var extra = "";
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if (IsWebFile(remote))
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{
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var htaccessDeployed = await EnsureHtaccessAsync(client, remote, context.Logger, ct);
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if (htaccessDeployed)
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extra = " (.htaccess für UTF-8-Encoding wurde automatisch erstellt)";
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}
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return ToolResult.Ok($"[{wsLabel} Workspace] Datei erfolgreich hochgeladen: {localRel} → {remote}{extra}");
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}
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catch (ArgumentException ex)
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{
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return ToolResult.Fail(ex.Message);
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}
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catch (UnauthorizedAccessException ex)
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{
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return ToolResult.Fail(ex.Message);
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}
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}
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private static bool IsWebFile(string remotePath)
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{
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var ext = Path.GetExtension(remotePath).ToLowerInvariant();
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return ext is ".html" or ".htm" or ".css" or ".js" or ".json" or ".xml" or ".svg";
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}
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private const string HtaccessCharsetMarker = "# ClawdDotNet-UTF8-Charset";
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private const string HtaccessCharsetBlock = $"""
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{HtaccessCharsetMarker}
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AddDefaultCharset UTF-8
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<IfModule mod_mime.c>
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AddCharset UTF-8 .html .htm .css .js .json .xml .svg .txt
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</IfModule>
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""";
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/// <summary>
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/// Stellt sicher, dass im Zielverzeichnis eine .htaccess mit UTF-8 Charset existiert.
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/// - Existiert keine .htaccess: Neue mit nur den Charset-Regeln erstellen.
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/// - Existiert eine .htaccess: Charset-Block anhängen, falls der Marker noch nicht drin ist.
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/// Der bestehende Inhalt (z.B. Zugriffsschutz, Rewrite-Regeln) bleibt IMMER unangetastet.
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/// </summary>
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private async Task<bool> EnsureHtaccessAsync(IAsyncFtpClient client, string remotePath, ILogger logger, CancellationToken ct)
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{
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try
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{
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var remoteDir = Path.GetDirectoryName(remotePath)?.Replace('\\', '/') ?? "/";
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if (string.IsNullOrWhiteSpace(remoteDir)) remoteDir = "/";
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var htaccessPath = remoteDir.TrimEnd('/') + "/.htaccess";
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if (await client.FileExists(htaccessPath, ct))
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{
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// .htaccess existiert — lesen und prüfen ob UTF-8-Block schon drin ist
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using var downloadStream = new MemoryStream();
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if (!await client.DownloadStream(downloadStream, htaccessPath, token: ct))
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return false; // Download fehlgeschlagen → nichts tun
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downloadStream.Position = 0;
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var existingContent = Encoding.UTF8.GetString(downloadStream.ToArray());
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// Wenn unser Marker bereits enthalten ist → nichts tun
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if (existingContent.Contains(HtaccessCharsetMarker, StringComparison.Ordinal))
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return false;
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// Wenn bereits AddDefaultCharset gesetzt ist → nicht einmischen
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if (existingContent.Contains("AddDefaultCharset", StringComparison.OrdinalIgnoreCase))
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return false;
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// Charset-Block an bestehenden Inhalt anhängen
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var newContent = existingContent.TrimEnd() + "\n" + HtaccessCharsetBlock;
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var bytes = Encoding.UTF8.GetBytes(newContent);
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using var uploadStream = new MemoryStream(bytes);
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var status = await client.UploadStream(uploadStream, htaccessPath, FtpRemoteExists.Overwrite, true, null, ct);
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if (status == FtpStatus.Success)
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{
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logger.LogInformation("UTF-8 Charset-Block an bestehende .htaccess angehängt: {Path}", htaccessPath);
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return true;
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}
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}
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else
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{
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// Keine .htaccess vorhanden → neue erstellen (nur Charset-Regeln)
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var content = HtaccessCharsetMarker + "\nAddDefaultCharset UTF-8\n\n<IfModule mod_mime.c>\n AddCharset UTF-8 .html .htm .css .js .json .xml .svg .txt\n</IfModule>\n";
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var bytes = Encoding.UTF8.GetBytes(content);
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using var stream = new MemoryStream(bytes);
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var status = await client.UploadStream(stream, htaccessPath, FtpRemoteExists.Skip, true, null, ct);
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if (status == FtpStatus.Success)
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{
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logger.LogInformation("Neue UTF-8 .htaccess erstellt: {Path}", htaccessPath);
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return true;
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}
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}
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}
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catch (Exception ex)
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{
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logger.LogWarning(ex, "Konnte .htaccess nicht automatisch anpassen (nicht kritisch)");
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}
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return false;
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}
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private async Task<ToolResult> HandleDownloadAsync(IAsyncFtpClient client, JsonElement input, AgentToolContext context, CancellationToken ct)
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{
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var localRel = input.TryGetProperty("localPath", out var lp) ? lp.GetString() : null;
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var remote = input.TryGetProperty("remotePath", out var rp) ? rp.GetString() : null;
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if (string.IsNullOrWhiteSpace(localRel) || string.IsNullOrWhiteSpace(remote))
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{
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return ToolResult.Fail("'localPath' und 'remotePath' sind für download erforderlich.");
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}
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try
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{
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var (localFull, wsLabel) = ResolveLocalPath(localRel, context);
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var localDir = Path.GetDirectoryName(localFull);
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if (localDir != null && !Directory.Exists(localDir)) Directory.CreateDirectory(localDir);
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var status = await client.DownloadFile(localFull, remote, FtpLocalExists.Overwrite, FtpVerify.None, null, ct);
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return status == FtpStatus.Success
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? ToolResult.Ok($"[{wsLabel} Workspace] Datei erfolgreich heruntergeladen: {remote} → {localRel}")
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: ToolResult.Fail($"Download fehlgeschlagen: {status}");
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}
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catch (ArgumentException ex)
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{
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return ToolResult.Fail(ex.Message);
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}
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catch (UnauthorizedAccessException ex)
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{
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return ToolResult.Fail(ex.Message);
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}
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}
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private async Task<ToolResult> HandleListAsync(IAsyncFtpClient client, JsonElement input, AgentToolContext context, CancellationToken ct)
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{
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var remote = input.TryGetProperty("remotePath", out var rp) ? rp.GetString() : "/";
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var items = await client.GetListing(remote, FtpListOption.Recursive, ct);
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var result = items.Select(i => new
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{
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i.Name,
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i.FullName,
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Type = i.Type.ToString(),
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Size = i.Size,
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Modified = i.Modified
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}).ToList();
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return ToolResult.Ok(JsonSerializer.Serialize(result, new JsonSerializerOptions { WriteIndented = true }));
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}
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private async Task<ToolResult> HandleDeleteAsync(IAsyncFtpClient client, JsonElement input, AgentToolContext context, CancellationToken ct)
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{
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var remote = input.TryGetProperty("remotePath", out var rp) ? rp.GetString() : null;
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if (string.IsNullOrWhiteSpace(remote)) return ToolResult.Fail("'remotePath' ist für delete erforderlich.");
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await client.DeleteFile(remote, ct);
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return ToolResult.Ok($"Datei/Verzeichnis gelöscht: {remote}");
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}
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}
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