我有一个 Blazor WASM 应用程序（即客户端），用户可以向其中上传一些数据。对数据进行一些完整性和安全性检查后，我想将这些数据上传到 AWS S3 中的 zip 文件中。
目前我已经构建了 zip 文件，如下所示
using (var outStream = new MemoryStream())
{
using (var archive = new ZipArchive(outStream, ZipArchiveMode.Create, true))
{
foreach (var file in imagelist.Files)
{
json_name = file.Name + ".json";
var file_in_archive = archive.CreateEntry(file.Name, CompressionLevel.Optimal);
using (var entryStream = file_in_archive.Open())
{
file.Data.CopyToAsync(entryStream);
}
file_in_archive = archive.CreateEntry(json_name, CompressionLevel.Optimal);
using (var entryStream = file_in_archive.Open())
{
formMems[file_counter].CopyToAsync(entryStream);
}
file_counter = file_counter + 1;
}
}
Console.WriteLine("Finished zipping");
uploader.UploadZipFile(outStream, "test_title.zip");
}
我正在尝试通过此方法上传 zip 文件uploader.UploadZipFile- 代码如下
public class UploadZip
{
public BasicAWSCredentials credentials = new BasicAWSCredentials("access key", "secret key");
public void UploadZipFile(Stream zip_file, string file_name)
{
zip_file.Seek(0, SeekOrigin.Begin);
var config = new AmazonS3Config
{
RegionEndpoint = Amazon.RegionEndpoint.Region
};
using var client = new AmazonS3Client(credentials, config);
var uploadRequest = new TransferUtilityUploadRequest
{
InputStream = zip_file,
Key = file_name,
BucketName = "Bucket-Name",
CannedACL = S3CannedACL.Private
};
var fileTransferUtility = new TransferUtility(client);
fileTransferUtility.UploadAsync(uploadRequest);
Console.WriteLine("finshed uploading");
}
}
（上传器是UploadZip 的一个实例）。出于显而易见的原因，我删除了存储桶名称、区域、访问密钥和秘密密钥，但这些都是正确的。
访问密钥和秘密密钥属于我为此目的创建的自定义 IAM 用户。政策摘要如下
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "VisualEditor0",
"Effect": "Allow",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::Bucket-Name/*"
}
]
}
S3存储桶有Block *all* public access turned off，CORS 如下所示
[
{
"AllowedHeaders": [
"*"
],
"AllowedMethods": [
"PUT",
"POST"
],
"AllowedOrigins": [
"*"
],
"ExposeHeaders": []
}
]
ACL 授予存储桶所有者（您的 AWS 账户）List and Write for Objects, and Read and Write for 桶访问控制列表，其他 3 名受资助者没有其他任何东西。没有存储桶策略。
我根本不明白为什么这不起作用。当我运行该程序时，我没有看到任何错误，并且两个Console.write()通话运行良好。
edit
为了回应评论的建议，我尝试运行代码Upload而不是UploadAsync- 见下文
public class UploadZip
{
public BasicAWSCredentials credentials = new BasicAWSCredentials("AKIAZWFJ7CFNER3WG5EP", "EE9eMD/vz8G3Ui3/MZdGDNBY9xv4+/3y0VQAhNzn");
public void UploadZipFile(Stream zip_file, string file_name)
{
zip_file.Seek(0, SeekOrigin.Begin);
var config = new AmazonS3Config
{
RegionEndpoint = Amazon.RegionEndpoint.EUWest2
};
using var client = new AmazonS3Client(credentials, config);
var uploadRequest = new TransferUtilityUploadRequest
{
InputStream = zip_file,
Key = file_name,
BucketName = "web-pupil-data-store",
CannedACL = S3CannedACL.Private
};
var fileTransferUtility = new TransferUtility(client);
fileTransferUtility.Upload(uploadRequest);
Console.WriteLine("finshed uploading");
}
}
这仍然完成了文件的压缩，但在打印之前finished uploading，它现在抛出一个错误，带有一个大而安静的难以理解的（对我来说）堆栈跟踪，复制到这里
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: Cannot start threads on this runtime.
System.NotSupportedException: Cannot start threads on this runtime.
at (wrapper managed-to-native) System.Threading.Thread.Thread_internal(System.Threading.Thread,System.MulticastDelegate)
at System.Threading.Thread.StartInternal (System.Object principal, System.Threading.StackCrawlMark& stackMark) <0x47bb958 + 0x00008> in <filename unknown>:0
at System.Threading.Thread.Start (System.Threading.StackCrawlMark& stackMark) <0x47bb818 + 0x0004e> in <filename unknown>:0
at System.Threading.Thread.Start () <0x47bb6d8 + 0x0000e> in <filename unknown>:0
at Amazon.Runtime.Internal.Util.BackgroundDispatcher`1[T]..ctor (System.Action`1[T] action) [0x0005c] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\Util\Dispatcher.cs:55
at Amazon.Runtime.Internal.Util.BackgroundInvoker..ctor () [0x00000] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\Util\Dispatcher.cs:180
at Amazon.Util.AWSSDKUtils.get_Dispatcher () [0x00007] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Util\AWSSDKUtils.cs:674
at Amazon.Util.AWSSDKUtils.InvokeInBackground[T] (System.EventHandler`1[TEventArgs] handler, T args, System.Object sender) [0x0004c] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Util\AWSSDKUtils.cs:661
at Amazon.Runtime.Internal.StreamReadTracker.ReadProgress (System.Int32 bytesRead) [0x00047] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\StreamReadTracker.cs:55
at Amazon.Runtime.Internal.Util.EventStream.ReadAsync (System.Byte[] buffer, System.Int32 offset, System.Int32 count, System.Threading.CancellationToken cancellationToken) [0x0009c] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\Util\EventStream.cs:138
at Amazon.Runtime.Internal.Util.ChunkedUploadWrapperStream.FillInputBufferAsync (System.Threading.CancellationToken cancellationToken) [0x00090] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\Util\ChunkedUploadWrapperStream.cs:189
at Amazon.Runtime.Internal.Util.ChunkedUploadWrapperStream.ReadAsync (System.Byte[] buffer, System.Int32 offset, System.Int32 count, System.Threading.CancellationToken cancellationToken) [0x00053] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Internal\Util\ChunkedUploadWrapperStream.cs:163
at System.Threading.Tasks.ValueTask`1[TResult].get_Result () <0x370ff80 + 0x00034> in <filename unknown>:0
at System.IO.Stream.CopyToAsyncInternal (System.IO.Stream destination, System.Int32 bufferSize, System.Threading.CancellationToken cancellationToken) <0x36ee098 + 0x00134> in <filename unknown>:0
at System.Net.Http.HttpContent.LoadIntoBufferAsyncCore (System.Threading.Tasks.Task serializeToStreamTask, System.IO.MemoryStream tempBuffer) <0x49ea648 + 0x00110> in <filename unknown>:0
at System.Net.Http.HttpContent.WaitAndReturnAsync[TState,TResult] (System.Threading.Tasks.Task waitTask, TState state, System.Func`2[T,TResult] returnFunc) <0x49eba60 + 0x000c2> in <filename unknown>:0
at System.Net.Http.WebAssemblyHttpHandler.doFetch (System.Threading.Tasks.TaskCompletionSource`1[TResult] tcs, System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) <0x47cfe90 + 0x0038c> in <filename unknown>:0
at System.Net.Http.WebAssemblyHttpHandler.SendAsync (System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) <0x47af880 + 0x00174> in <filename unknown>:0
at System.Net.Http.HttpClient.FinishSendAsyncUnbuffered (System.Threading.Tasks.Task`1[TResult] sendTask, System.Net.Http.HttpRequestMessage request, System.Threading.CancellationTokenSource cts, System.Boolean disposeCts) <0x49ef528 + 0x00134> in <filename unknown>:0
at Amazon.Runtime.HttpWebRequestMessage.GetResponseAsync (System.Threading.CancellationToken cancellationToken) [0x0003d] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Pipeline\HttpHandler\_netstandard\HttpRequestMessageFactory.cs:520
at Amazon.Runtime.Internal.HttpHandler`1[TRequestContent].InvokeAsync[T] (Amazon.Runtime.IExecutionContext executionContext) [0x00201] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Pipeline\HttpHandler\HttpHandler.cs:183
at Amazon.Runtime.Internal.RedirectHandler.InvokeAsync[T] (Amazon.Runtime.IExecutionContext executionContext) [0x00036] in D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Pipeline\Handlers\RedirectHandler.cs:59
at Amazon.Runtime.Internal.U
f.printErr @ blazor.webassembly.js:1
f.preRun.push.window.Blazor._internal.dotNetCriticalError @ blazor.webassembly.js:1
_mono_wasm_invoke_js_unmarshalled @ dotnet.3.2.0.js:1
do_icall @ 00755c3a:0x10f924
do_icall_wrapper @ 00755c3a:0x50b6a
interp_exec_method @ 00755c3a:0x2588e
interp_runtime_invoke @ 00755c3a:0xf7391
mono_jit_runtime_invoke @ 00755c3a:0xddb3d
do_runtime_invoke @ 00755c3a:0x3ba85
mono_runtime_try_invoke @ 00755c3a:0xcfdb
try_invoke_perform_wait_callback @ 00755c3a:0xb62e0
worker_callback @ 00755c3a:0x9a7a3
fire_tp_callback @ 00755c3a:0x105481
mono_background_exec @ 00755c3a:0xeb5ee
Module._mono_background_exec @ dotnet.3.2.0.js:1
pump_message @ dotnet.3.2.0.js:1
setTimeout (async)
_schedule_background_exec @ dotnet.3.2.0.js:1
mono_threads_schedule_background_job @ 00755c3a:0x14dbd
ves_icall_System_Threading_ThreadPool_RequestWorkerThread @ 00755c3a:0xa0025
ves_icall_System_Threading_ThreadPool_RequestWorkerThread_raw @ 00755c3a:0x9fecf
do_icall @ 00755c3a:0x10f790
do_icall_wrapper @ 00755c3a:0x50b6a
interp_exec_method @ 00755c3a:0x2588e
interp_runtime_invoke @ 00755c3a:0xf7391
mono_jit_runtime_invoke @ 00755c3a:0xddb3d
do_runtime_invoke @ 00755c3a:0x3ba85
mono_runtime_try_invoke @ 00755c3a:0xcfdb
mono_runtime_invoke @ 00755c3a:0x44b39
mono_wasm_invoke_method @ 00755c3a:0xca6a7
Module._mono_wasm_invoke_method @ dotnet.3.2.0.js:1
call_method @ dotnet.3.2.0.js:1
(anonymous) @ dotnet.3.2.0.js:1
endInvokeJSFromDotNet @ blazor.webassembly.js:1
(anonymous) @ blazor.webassembly.js:1
Promise.then (async)
beginInvokeJSFromDotNet @ blazor.webassembly.js:1
_mono_wasm_invoke_js_marshalled @ dotnet.3.2.0.js:1
do_icall @ 00755c3a:0x10f8b1
do_icall_wrapper @ 00755c3a:0x50b6a
interp_exec_method @ 00755c3a:0x2588e
interp_runtime_invoke @ 00755c3a:0xf7391
mono_jit_runtime_invoke @ 00755c3a:0xddb3d
do_runtime_invoke @ 00755c3a:0x3ba85
mono_runtime_invoke_checked @ 00755c3a:0x96a2
mono_runtime_try_invoke_array @ 00755c3a:0x66c26
ves_icall_InternalInvoke @ 00755c3a:0xb44ff
ves_icall_InternalInvoke_raw @ 00755c3a:0xb3ffd
do_icall @ 00755c3a:0x10f8b1
do_icall_wrapper @ 00755c3a:0x50b6a
interp_exec_method @ 00755c3a:0x2588e
interp_runtime_invoke @ 00755c3a:0xf7391
mono_jit_runtime_invoke @ 00755c3a:0xddb3d
do_runtime_invoke @ 00755c3a:0x3ba85
mono_runtime_try_invoke @ 00755c3a:0xcfdb
mono_runtime_invoke @ 00755c3a:0x44b39
mono_wasm_invoke_method @ 00755c3a:0xca6a7
Module._mono_wasm_invoke_method @ dotnet.3.2.0.js:1
call_method @ dotnet.3.2.0.js:1
(anonymous) @ dotnet.3.2.0.js:1
beginInvokeDotNetFromJS @ blazor.webassembly.js:1
s @ blazor.webassembly.js:1
e.invokeMethodAsync @ blazor.webassembly.js:1
(anonymous) @ blazor.webassembly.js:1
t.dispatchEvent @ blazor.webassembly.js:1
(anonymous) @ blazor.webassembly.js:1
(anonymous) @ blazor.webassembly.js:1
e.onGlobalEvent @ blazor.webassembly.js:1
请告知我需要做哪些进一步的测试来确定问题所在，以及如何解决。
编辑和更新
根据下面的答案之一，我转而使用PutObjectRequest。代码如下。现在出现了一个新错误，我认为这与 S3 存储桶的权限有关。谁能指导我需要改变什么？
Code
public class UploadData
{
private readonly BasicAWSCredentials credentials = new BasicAWSCredentials("access key", "secret Key");
public async Task UploadZipFile(Stream zip_file, string file_name)
{
zip_file.Seek(0, SeekOrigin.Begin);
var config = new AmazonS3Config
{
RegionEndpoint = Amazon.RegionEndpoint.EUWest2
};
using var client = new AmazonS3Client(credentials, config);
var putRequest1 = new PutObjectRequest
{
BucketName = "Bucket_name",
Key = file_name,
InputStream = zip_file
};
PutObjectResponse response1 = await client.PutObjectAsync(putRequest1);
Console.WriteLine("finshed uploading");
}
}
这是错误代码
Unknown encountered on server. Message:'TypeError: Failed to execute 'append' on 'Headers': Invalid value' when putting an object
