55 lines
2.6 KiB
C#
55 lines
2.6 KiB
C#
using System.Net.Http.Headers;
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using System.Text;
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namespace LMEMappeCatastaliApp.Services;
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public sealed class CloudSyncService
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{
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private readonly HttpClient _httpClient = new() { Timeout = TimeSpan.FromMinutes(3) };
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public async Task UploadAsync(string endpoint, string userName, string password, string localPath, CancellationToken cancellationToken = default)
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{
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var target = BuildTarget(endpoint);
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using var request = new HttpRequestMessage(HttpMethod.Put, target);
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ApplyCredentials(request, userName, password);
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request.Content = new StreamContent(File.OpenRead(localPath));
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request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/zip");
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using var response = await _httpClient.SendAsync(request, cancellationToken);
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response.EnsureSuccessStatusCode();
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}
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public async Task<string> DownloadAsync(string endpoint, string userName, string password, CancellationToken cancellationToken = default)
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{
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using var request = new HttpRequestMessage(HttpMethod.Get, BuildTarget(endpoint));
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ApplyCredentials(request, userName, password);
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using var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
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response.EnsureSuccessStatusCode();
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var directory = Path.Combine(FileSystem.CacheDirectory, "CloudSync");
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Directory.CreateDirectory(directory);
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var path = Path.Combine(directory, $"LME-cloud-{DateTime.Now:yyyyMMdd-HHmmss}.lmebackup.zip");
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await using var input = await response.Content.ReadAsStreamAsync(cancellationToken);
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await using var output = File.Create(path);
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await input.CopyToAsync(output, cancellationToken);
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return path;
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}
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private static Uri BuildTarget(string endpoint)
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{
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if (!Uri.TryCreate(endpoint?.Trim(), UriKind.Absolute, out var uri)
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|| uri.Scheme != Uri.UriSchemeHttps)
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{
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throw new ArgumentException("Inserisci un indirizzo WebDAV HTTPS valido.");
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}
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return uri.AbsolutePath.EndsWith(".zip", StringComparison.OrdinalIgnoreCase)
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? uri
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: new Uri($"{uri.ToString().TrimEnd('/')}/LMEMappeCatastali-sync.lmebackup.zip");
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}
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private static void ApplyCredentials(HttpRequestMessage request, string userName, string password)
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{
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if (string.IsNullOrWhiteSpace(userName)) return;
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var value = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{userName}:{password}"));
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request.Headers.Authorization = new AuthenticationHeaderValue("Basic", value);
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}
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}
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