This commit is contained in:
QWQLwToo
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using System.Net.Http.Headers;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json;
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namespace YMhut.Box.Core.Feedback;
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public sealed class FeedbackSubmissionService(HttpClient? httpClient = null) : IFeedbackSubmissionService
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{
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public const string Endpoint = "https://mail-smtp.ymhut.cn/";
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public const string ClientSignatureKey = "ymhut-box-feedback-client-v1";
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private readonly HttpClient _httpClient = httpClient ?? new HttpClient { Timeout = TimeSpan.FromSeconds(30) };
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public async Task<FeedbackSubmissionResponse> SubmitAsync(
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FeedbackRequest request,
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FeedbackPackageResult package,
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CancellationToken cancellationToken = default)
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{
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try
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{
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if (!File.Exists(package.PackagePath))
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{
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return new FeedbackSubmissionResponse(false, null, "PACKAGE_MISSING", "本地反馈包不存在。");
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}
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var encrypted = await FeedbackPackageCrypto.EncryptPackageAsync(package.PackagePath, cancellationToken: cancellationToken)
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.ConfigureAwait(false);
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var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString(global::System.Globalization.CultureInfo.InvariantCulture);
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var nonce = Guid.NewGuid().ToString("N");
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var feedbackCode = FeedbackCode.Normalize(request.FeedbackCode);
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var payload = JsonSerializer.Serialize(new
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{
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feedbackCode,
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title = request.Title,
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type = request.Type,
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severity = request.Severity,
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contact = request.Contact,
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bodyLength = request.Body?.Length ?? 0,
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packageEncrypted = true,
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encryption = FeedbackPackageCrypto.MagicText,
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packageBytes = encrypted.PackageBytes,
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packageSha256 = encrypted.PackageSha256,
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plainPackageBytes = package.PackageBytes,
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plainPackageSha256 = package.PackageSha256,
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createdAt = package.CreatedAt
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}, new JsonSerializerOptions(JsonSerializerDefaults.Web));
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var signature = Sign(timestamp, nonce, encrypted.PackageSha256, payload);
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using var form = new MultipartFormDataContent();
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form.Add(new StringContent(payload, Encoding.UTF8, "application/json"), "payload");
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form.Add(new StringContent(timestamp, Encoding.UTF8), "timestamp");
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form.Add(new StringContent(nonce, Encoding.UTF8), "nonce");
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form.Add(new StringContent(encrypted.PackageSha256, Encoding.UTF8), "packageSha256");
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form.Add(new StringContent(signature, Encoding.UTF8), "signature");
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await using var stream = File.OpenRead(encrypted.PackagePath);
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using var fileContent = new StreamContent(stream);
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fileContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
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form.Add(fileContent, "package", Path.GetFileName(encrypted.PackagePath));
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using var response = await _httpClient.PostAsync(Endpoint, form, cancellationToken).ConfigureAwait(false);
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var text = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
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var parsed = ParseResponse(text);
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if (response.IsSuccessStatusCode)
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{
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return parsed;
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}
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return parsed with
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{
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Ok = false,
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ErrorCode = parsed.ErrorCode ?? $"HTTP_{(int)response.StatusCode}",
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Message = parsed.Message ?? response.ReasonPhrase
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};
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}
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catch (Exception exception) when (exception is HttpRequestException or TaskCanceledException or OperationCanceledException)
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{
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return new FeedbackSubmissionResponse(false, null, exception is TaskCanceledException ? "TIMEOUT" : "NETWORK_ERROR", exception.Message);
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}
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catch (Exception exception) when (exception is IOException or UnauthorizedAccessException or InvalidDataException or CryptographicException)
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{
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return new FeedbackSubmissionResponse(false, null, "PACKAGE_ENCRYPT_FAILED", exception.Message);
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}
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}
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public async Task<FeedbackStatusResponse> GetStatusAsync(
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string feedbackCode,
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CancellationToken cancellationToken = default)
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{
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var normalized = FeedbackCode.Normalize(feedbackCode);
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if (!FeedbackCode.IsValid(normalized))
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{
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return new FeedbackStatusResponse(false, normalized, null, null, false, null, null, null, "INVALID_CODE", "Invalid feedback code.");
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}
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try
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{
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var uri = $"{Endpoint}?api=status&code={Uri.EscapeDataString(normalized)}";
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using var response = await _httpClient.GetAsync(uri, cancellationToken).ConfigureAwait(false);
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var text = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
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var parsed = ParseStatusResponse(text);
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if (response.IsSuccessStatusCode)
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{
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return parsed;
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}
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return parsed with
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{
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Ok = false,
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ErrorCode = parsed.ErrorCode ?? $"HTTP_{(int)response.StatusCode}",
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Message = parsed.Message ?? response.ReasonPhrase
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};
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}
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catch (Exception exception) when (exception is HttpRequestException or TaskCanceledException or OperationCanceledException)
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{
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return new FeedbackStatusResponse(false, normalized, null, null, false, null, null, null, exception is TaskCanceledException ? "TIMEOUT" : "NETWORK_ERROR", exception.Message);
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}
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}
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public static string Sign(string timestamp, string nonce, string packageSha256, string payload)
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{
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var material = $"{timestamp}\n{nonce}\n{packageSha256}\n{payload}";
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using var hmac = new HMACSHA256(Encoding.UTF8.GetBytes(ClientSignatureKey));
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return Convert.ToHexString(hmac.ComputeHash(Encoding.UTF8.GetBytes(material))).ToLowerInvariant();
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}
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private static FeedbackSubmissionResponse ParseResponse(string text)
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{
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try
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{
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using var document = JsonDocument.Parse(text);
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var root = document.RootElement;
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var ok = root.TryGetProperty("ok", out var okElement) && okElement.ValueKind == JsonValueKind.True;
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var code = root.TryGetProperty("code", out var codeElement) ? codeElement.GetString() : null;
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var error = root.TryGetProperty("error", out var errorElement) ? errorElement.GetString() : null;
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var message = root.TryGetProperty("message", out var messageElement) ? messageElement.GetString() : null;
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var duplicate = root.TryGetProperty("duplicate", out var duplicateElement) && duplicateElement.ValueKind == JsonValueKind.True;
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return new FeedbackSubmissionResponse(ok, code, error, message, duplicate);
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}
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catch (JsonException)
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{
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return new FeedbackSubmissionResponse(false, null, "INVALID_RESPONSE", text);
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}
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}
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private static FeedbackStatusResponse ParseStatusResponse(string text)
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{
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try
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{
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using var document = JsonDocument.Parse(text);
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var root = document.RootElement;
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var ok = root.TryGetProperty("ok", out var okElement) && okElement.ValueKind == JsonValueKind.True;
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var code = root.TryGetProperty("code", out var codeElement) ? codeElement.GetString() : null;
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var status = root.TryGetProperty("status", out var statusElement) ? statusElement.GetString() : null;
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var statusLabel = root.TryGetProperty("statusLabel", out var statusLabelElement) ? statusLabelElement.GetString() : null;
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var statusDetail = root.TryGetProperty("statusDetail", out var statusDetailElement) ? statusDetailElement.GetString() : null;
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var category = root.TryGetProperty("category", out var categoryElement) ? categoryElement.GetString() : null;
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var priority = root.TryGetProperty("priority", out var priorityElement) ? priorityElement.GetString() : null;
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var hasReply = root.TryGetProperty("hasReply", out var hasReplyElement) && hasReplyElement.ValueKind == JsonValueKind.True;
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var reply = root.TryGetProperty("reply", out var replyElement) ? replyElement.GetString() : null;
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var receivedAt = root.TryGetProperty("receivedAt", out var receivedAtElement) ? receivedAtElement.GetString() : null;
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var updatedAt = root.TryGetProperty("updatedAt", out var updatedAtElement) ? updatedAtElement.GetString() : null;
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var mailSent = root.TryGetProperty("mailSent", out var mailSentElement) && mailSentElement.ValueKind == JsonValueKind.True;
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var error = root.TryGetProperty("error", out var errorElement) ? errorElement.GetString() : null;
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var message = root.TryGetProperty("message", out var messageElement) ? messageElement.GetString() : null;
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return new FeedbackStatusResponse(ok, code, status, statusLabel, hasReply, reply, receivedAt, updatedAt, error, message, statusDetail, category, priority, mailSent);
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}
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catch (JsonException)
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{
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return new FeedbackStatusResponse(false, null, null, null, false, null, null, null, "INVALID_RESPONSE", text);
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}
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}
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}
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