feat: finalize core modules and gateway

src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs

@@ -0,0 +1,53 @@
+using System;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Storage.Options;
+
+namespace TakeoutSaaS.Module.Storage.Providers;
+
+/// <summary>
+/// 七牛云 Kodo（S3 兼容网关）存储提供商。
+/// </summary>
+public sealed class QiniuKodoStorageProvider(IOptionsMonitor<StorageOptions> optionsMonitor)
+    : S3StorageProviderBase
+{
+    private StorageOptions CurrentOptions => optionsMonitor.CurrentValue;
+
+    /// <inheritdoc />
+    public override StorageProviderKind Kind => StorageProviderKind.QiniuKodo;
+
+    /// <inheritdoc />
+    protected override string Bucket => CurrentOptions.QiniuKodo.Bucket;
+
+    /// <inheritdoc />
+    protected override string ServiceUrl => string.IsNullOrWhiteSpace(CurrentOptions.QiniuKodo.Endpoint)
+        ? $"{(CurrentOptions.QiniuKodo.UseHttps ? "https" : "http")}://s3.qiniucs.com"
+        : CurrentOptions.QiniuKodo.Endpoint!;
+
+    /// <inheritdoc />
+    protected override string AccessKey => CurrentOptions.QiniuKodo.AccessKey;
+
+    /// <inheritdoc />
+    protected override string SecretKey => CurrentOptions.QiniuKodo.SecretKey;
+
+    /// <inheritdoc />
+    protected override bool UseHttps => CurrentOptions.QiniuKodo.UseHttps;
+
+    /// <inheritdoc />
+    protected override bool ForcePathStyle => true;
+
+    /// <inheritdoc />
+    protected override string? CdnBaseUrl => !string.IsNullOrWhiteSpace(CurrentOptions.QiniuKodo.DownloadDomain)
+        ? CurrentOptions.QiniuKodo.DownloadDomain
+        : CurrentOptions.CdnBaseUrl;
+
+    /// <inheritdoc />
+    protected override TimeSpan SignedUrlExpiry
+    {
+        get
+        {
+            var minutes = CurrentOptions.QiniuKodo.SignedUrlExpirationMinutes
+                          ?? CurrentOptions.Security.DefaultUrlExpirationMinutes;
+            return TimeSpan.FromMinutes(Math.Max(1, minutes));
+        }
+    }
+}