feat: The temporary link of the file does not perform permission checks.

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Application.Contracts/LINGYUN/Abp/BlobManagement/Dtos/BlobDownloadByIdInput.cs

@@ -1,12 +1,9 @@
-using System;
-using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations;
 
 namespace LINGYUN.Abp.BlobManagement.Dtos;
 
 public class BlobDownloadByIdInput
 {
-    public Guid? TenantId { get; set; }
-
     [Required]
-    public Guid Id { get; set; }
+    public string Key { get; set; }
 }

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Application/LINGYUN/Abp/BlobManagement/BlobAppService.cs

@@ -49,18 +49,12 @@ public class BlobAppService : BlobAppServiceBase, IBlobAppService
 
     public async virtual Task<IRemoteStreamContent> DownloadAsync(BlobDownloadByIdInput input)
     {
-        using (CurrentTenant.Change(input.TenantId ?? CurrentTenant.Id))
-        {
-            return await base.DownloadAsync(input.Id);
-        }
+        return await base.DownloadByKeyAsync(input.Key);
     }
 
     public async virtual Task<IRemoteStreamContent> PreviewAsync(BlobDownloadByIdInput input)
     {
-        using (CurrentTenant.Change(input.TenantId ?? CurrentTenant.Id))
-        {
-            return await base.DownloadAsync(input.Id);
-        }
+        return await base.DownloadByKeyAsync(input.Key);
     }
 
     public async virtual Task<IRemoteStreamContent> DownloadByNameAsync(BlobDownloadByNameInput input)

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Application/LINGYUN/Abp/BlobManagement/BlobAppServiceBase.cs

@@ -66,11 +66,28 @@ public abstract class BlobAppServiceBase : BlobManagementApplicationService
 
         return new RemoteStreamContent(
             stream ?? Stream.Null,
-            blob.Name, 
-            blob.ContentType, 
+            blob.Name,
+            blob.ContentType,
             stream != null ? blob.Size : null);
     }
 
+    public async virtual Task<IRemoteStreamContent> DownloadByKeyAsync(string key)
+    {
+        var blob = await BlobManager.FindBlobByDownloadKeyAsync(key);
+        if (blob != null)
+        {
+            var stream = await BlobManager.DownloadBlobsync(blob);
+
+            return new RemoteStreamContent(
+                stream ?? Stream.Null,
+                blob.Name,
+                blob.ContentType,
+                stream != null ? blob.Size : null);
+        }
+
+        return new RemoteStreamContent(Stream.Null);
+    }
+
     public async virtual Task<BlobDto> GetAsync(Guid id)
     {
         var blob = await BlobRepository.GetAsync(id);
@@ -187,14 +204,12 @@ public abstract class BlobAppServiceBase : BlobManagementApplicationService
 
         await CheckGetPolicyAsync(blob);
 
-        var fallbackDownloadUrl = blob.TenantId.HasValue
-            ? $"/api/{BlobManagementRemoteServiceConsts.ModuleName}/blobs/{method}/t/{blob.TenantId:N}/{blob.Id:N}"
-            : $"/api/{BlobManagementRemoteServiceConsts.ModuleName}/blobs/{method}/{blob.Id:N}";
+        var fallbackUrlPrefix = $"/api/{BlobManagementRemoteServiceConsts.ModuleName}/blobs/{method}/";
 
         var downloadUrl = await BlobManager.GenerateDownloadUrlAsync(
             blobContainer,
             blob,
-            fallbackDownloadUrl,
+            fallbackUrlPrefix,
             isAttachmentContent);
 
         return downloadUrl;

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Domain/LINGYUN/Abp/BlobManagement/BlobDownloadKeyCacheItem.cs

@@ -1,19 +1,23 @@
 using System;
+using Volo.Abp.MultiTenancy;
 
 namespace LINGYUN.Abp.BlobManagement;
 
+[IgnoreMultiTenancy]
 public class BlobDownloadKeyCacheItem
 {
     public string Url { get; set; }
     public Guid BlobId { get; set; }
+    public Guid? TenantId { get; set; }
     public BlobDownloadKeyCacheItem()
     {
 
     }
 
-    public BlobDownloadKeyCacheItem(Guid blobId, string url)
+    public BlobDownloadKeyCacheItem(Guid blobId, string url, Guid? tenantId = null)
     {
         BlobId = blobId;
         Url = url;
+        TenantId = tenantId;
     }
 }

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.Domain/LINGYUN/Abp/BlobManagement/BlobManager.cs

@@ -343,10 +343,10 @@ public class BlobManager : DomainService
     public async virtual Task<string> GenerateDownloadUrlAsync(
         BlobContainer blobContainer, 
         Blob blob,
-        string fallbackDownloadUrl,
+        string fallbackUrlPrefix,
         bool isAttachmentContent = true)
     {
-        var cacheKey = $"{fallbackDownloadUrl.ToMd5()}";
+        var cacheKey = $"{fallbackUrlPrefix}{Clock.Now:yyyy-MM-ddHH}{blob.Name}".ToMd5();
         var cacheItem = await _blobDownloadKeyCache.GetAsync(cacheKey);
         if (cacheItem == null)
         {
@@ -364,12 +364,13 @@ public class BlobManager : DomainService
             if (downloadUrl.IsNullOrWhiteSpace())
             {
                 // 特殊对象存储提供者（FileSystem）无法生成下载链接, 回退指定的请求Url
-                downloadUrl = fallbackDownloadUrl;
+                downloadUrl = $"{fallbackUrlPrefix.EnsureEndsWith('/')}{cacheKey}";
             }
 
             cacheItem = new BlobDownloadKeyCacheItem(
                 blob.Id,
-                downloadUrl);
+                downloadUrl,
+                blob.TenantId);
 
             await _blobDownloadKeyCache.SetAsync(
                 cacheKey,
@@ -391,7 +392,10 @@ public class BlobManager : DomainService
             return null;
         }
 
-        return await _blobRepository.FindAsync(cacheItem.BlobId);
+        using (CurrentTenant.Change(cacheItem.TenantId))
+        {
+            return await _blobRepository.FindAsync(cacheItem.BlobId);
+        }
     }
 
     public virtual string GetBlobProvider()

aspnet-core/modules/blob-management/LINGYUN.Abp.BlobManagement.HttpApi/LINGYUN/Abp/BlobManagement/BlobController.cs

@@ -51,15 +51,13 @@ public class BlobController : BlobControllerBase, IBlobAppService
         return _service.DeleteAsync(id);
     }
 
-    [HttpGet("download/{id}")]
-    [HttpGet("download/t/{tenantId}/{id}")]
+    [HttpGet("download/{key}")]
     public virtual Task<IRemoteStreamContent> DownloadAsync(BlobDownloadByIdInput input)
     {
         return _service.DownloadAsync(input);
     }
 
-    [HttpGet("preview/{id}")]
-    [HttpGet("preview/t/{tenantId}/{id}")]
+    [HttpGet("preview/{key}")]
     public async virtual Task<IRemoteStreamContent> PreviewAsync(BlobDownloadByIdInput input)
     {
         var content = await _service.PreviewAsync(input);

aspnet-core/services/LY.MicroService.Applications.Single/GlobalUsings.cs

@@ -13,7 +13,6 @@ global using LINGYUN.Abp.Aliyun.Localization;
 global using LINGYUN.Abp.Aliyun.SettingManagement;
 global using LINGYUN.Abp.AspNetCore.HttpOverrides;
 global using LINGYUN.Abp.AspNetCore.Mvc.Idempotent.Wrapper;
-global using LINGYUN.Abp.AspNetCore.Mvc.Localization;
 global using LINGYUN.Abp.AspNetCore.Mvc.Wrapper;
 global using LINGYUN.Abp.Auditing;
 global using LINGYUN.Abp.AuditLogging.EntityFrameworkCore;