66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
using System;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Routing;
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namespace Gott.Endpoints;
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public static class BackupEndpoint
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{
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public static void MapBackupEndpoint(this IEndpointRouteBuilder app)
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{
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app.MapPost("/api/backup", HandleBackup);
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}
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private static async System.Threading.Tasks.Task<IResult> HandleBackup()
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{
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var dataDir = Path.Combine(AppContext.BaseDirectory, "data");
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if (!Directory.Exists(dataDir))
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return Results.NotFound(new { error = "Data-Ordner nicht gefunden" });
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var backupDir = Path.Combine(dataDir, "backup");
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Directory.CreateDirectory(backupDir);
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var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
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var archiveName = $"gott-{timestamp}.tar.gz";
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var archivePath = Path.Combine(backupDir, archiveName);
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var entries = Directory.GetFileSystemEntries(dataDir)
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.Select(e => Path.GetFileName(e))
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.Where(e => e != "backup")
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.ToArray();
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var psi = new ProcessStartInfo
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{
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FileName = "tar",
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RedirectStandardError = true,
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UseShellExecute = false
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};
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psi.ArgumentList.Add("-czf");
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psi.ArgumentList.Add(archivePath);
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psi.ArgumentList.Add("-C");
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psi.ArgumentList.Add(dataDir);
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foreach (var entry in entries)
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psi.ArgumentList.Add(entry);
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using (var process = Process.Start(psi))
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{
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if (process == null)
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return Results.StatusCode(500);
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var stderr = await process.StandardError.ReadToEndAsync();
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await process.WaitForExitAsync();
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if (process.ExitCode != 0)
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return Results.Problem($"tar fehlgeschlagen: {stderr}");
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}
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var bytes = await File.ReadAllBytesAsync(archivePath);
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return Results.File(bytes, "application/gzip", archiveName);
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}
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}
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