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202 changes: 202 additions & 0 deletions
202
backend/src/Squidex.Infrastructure.Amazon/Assets/AmazonS3AssetStore.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| // ========================================================================== | ||
| // Squidex Headless CMS | ||
| // ========================================================================== | ||
| // Copyright (c) Squidex UG (haftungsbeschränkt) | ||
| // All rights reserved. Licensed under the MIT license. | ||
| // ========================================================================== | ||
|
|
||
| using System.IO; | ||
| using System.Net; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Amazon; | ||
| using Amazon.S3; | ||
| using Amazon.S3.Model; | ||
| using Amazon.S3.Transfer; | ||
|
|
||
| namespace Squidex.Infrastructure.Assets | ||
| { | ||
| public sealed class AmazonS3AssetStore : DisposableObjectBase, IAssetStore, IInitializable | ||
| { | ||
| private const int BufferSize = 81920; | ||
| private readonly string accessKey; | ||
| private readonly string secretKey; | ||
| private readonly string bucketName; | ||
| private readonly string? bucketFolder; | ||
| private readonly RegionEndpoint bucketRegion; | ||
| private TransferUtility transferUtility; | ||
| private IAmazonS3 s3Client; | ||
|
|
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| public AmazonS3AssetStore(string regionName, string bucketName, string? bucketFolder, string accessKey, string secretKey) | ||
| { | ||
| Guard.NotNullOrEmpty(bucketName); | ||
| Guard.NotNullOrEmpty(accessKey); | ||
| Guard.NotNullOrEmpty(secretKey); | ||
|
|
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| this.bucketName = bucketName; | ||
| this.bucketFolder = bucketFolder; | ||
| this.accessKey = accessKey; | ||
| this.secretKey = secretKey; | ||
|
|
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| bucketRegion = RegionEndpoint.GetBySystemName(regionName); | ||
| } | ||
|
|
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| protected override void DisposeObject(bool disposing) | ||
| { | ||
| if (disposing) | ||
| { | ||
| s3Client?.Dispose(); | ||
|
|
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| transferUtility?.Dispose(); | ||
| } | ||
| } | ||
|
|
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| public async Task InitializeAsync(CancellationToken ct = default) | ||
| { | ||
| try | ||
| { | ||
| s3Client = new AmazonS3Client( | ||
| accessKey, | ||
| secretKey, | ||
| bucketRegion); | ||
|
|
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| transferUtility = new TransferUtility(s3Client); | ||
|
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| var exists = await s3Client.DoesS3BucketExistAsync(bucketName); | ||
|
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| if (!exists) | ||
| { | ||
| throw new ConfigurationException($"Cannot connect to Amazon S3 bucket '${bucketName}'."); | ||
| } | ||
| } | ||
| catch (AmazonS3Exception ex) | ||
| { | ||
| throw new ConfigurationException($"Cannot connect to Amazon S3 bucket '${bucketName}'.", ex); | ||
| } | ||
| } | ||
|
|
||
| public string? GeneratePublicUrl(string fileName) | ||
| { | ||
| return null; | ||
| } | ||
|
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| public async Task CopyAsync(string sourceFileName, string targetFileName, CancellationToken ct = default) | ||
| { | ||
| Guard.NotNullOrEmpty(sourceFileName); | ||
| Guard.NotNullOrEmpty(targetFileName); | ||
|
|
||
| try | ||
| { | ||
| await EnsureNotExistsAsync(targetFileName, ct); | ||
|
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| var request = new CopyObjectRequest | ||
| { | ||
| SourceBucket = bucketName, | ||
| SourceKey = GetKey(sourceFileName), | ||
| DestinationBucket = bucketName, | ||
| DestinationKey = GetKey(targetFileName) | ||
| }; | ||
|
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| await s3Client.CopyObjectAsync(request, ct); | ||
| } | ||
| catch (AmazonS3Exception ex) when (ex.StatusCode == HttpStatusCode.NotFound) | ||
| { | ||
| throw new AssetNotFoundException(sourceFileName, ex); | ||
| } | ||
| catch (AmazonS3Exception ex) when (ex.StatusCode == HttpStatusCode.PreconditionFailed) | ||
| { | ||
| throw new AssetAlreadyExistsException(targetFileName); | ||
| } | ||
| } | ||
|
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| public async Task DownloadAsync(string fileName, Stream stream, CancellationToken ct = default) | ||
| { | ||
| Guard.NotNullOrEmpty(fileName); | ||
| Guard.NotNull(stream); | ||
|
|
||
| try | ||
| { | ||
| var request = new GetObjectRequest { BucketName = bucketName, Key = GetKey(fileName) }; | ||
|
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| using (var response = await s3Client.GetObjectAsync(request, ct)) | ||
| { | ||
| await response.ResponseStream.CopyToAsync(stream, BufferSize, ct); | ||
| } | ||
| } | ||
| catch (AmazonS3Exception ex) when (ex.StatusCode == HttpStatusCode.NotFound) | ||
| { | ||
| throw new AssetNotFoundException(fileName, ex); | ||
| } | ||
| } | ||
|
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| public async Task UploadAsync(string fileName, Stream stream, bool overwrite = false, CancellationToken ct = default) | ||
| { | ||
| Guard.NotNullOrEmpty(fileName); | ||
| Guard.NotNull(stream); | ||
|
|
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| try | ||
| { | ||
| if (!overwrite) | ||
| { | ||
| await EnsureNotExistsAsync(fileName, ct); | ||
| } | ||
|
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| var request = new TransferUtilityUploadRequest | ||
| { | ||
| AutoCloseStream = false, | ||
| BucketName = bucketName, | ||
| InputStream = stream, | ||
| Key = GetKey(fileName) | ||
| }; | ||
|
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| await transferUtility.UploadAsync(request, ct); | ||
| } | ||
| catch (AmazonS3Exception ex) when (ex.StatusCode == HttpStatusCode.PreconditionFailed) | ||
| { | ||
| throw new AssetAlreadyExistsException(fileName); | ||
| } | ||
| } | ||
|
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| public async Task DeleteAsync(string fileName) | ||
| { | ||
| Guard.NotNullOrEmpty(fileName); | ||
|
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| try | ||
| { | ||
| var request = new DeleteObjectRequest { BucketName = bucketName, Key = fileName }; | ||
|
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| await s3Client.DeleteObjectAsync(request); | ||
| } | ||
| catch (AmazonS3Exception ex) when (ex.StatusCode == HttpStatusCode.NotFound) | ||
| { | ||
| return; | ||
| } | ||
| } | ||
|
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| private string GetKey(string fileName) | ||
| { | ||
| if (!string.IsNullOrWhiteSpace(bucketFolder)) | ||
| { | ||
| return $"{bucketFolder}/{fileName}"; | ||
| } | ||
| else | ||
| { | ||
| return fileName; | ||
| } | ||
| } | ||
|
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| private async Task EnsureNotExistsAsync(string fileName, CancellationToken ct) | ||
| { | ||
| try | ||
| { | ||
| await s3Client.GetObjectAsync(bucketName, GetKey(fileName), ct); | ||
| } | ||
| catch | ||
| { | ||
| return; | ||
| } | ||
|
|
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| throw new AssetAlreadyExistsException(fileName); | ||
| } | ||
| } | ||
| } |
22 changes: 22 additions & 0 deletions
22
backend/src/Squidex.Infrastructure.Amazon/Squidex.Infrastructure.Amazon.csproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
| <PropertyGroup> | ||
| <TargetFramework>netcoreapp3.0</TargetFramework> | ||
| <RootNamespace>Squidex.Infrastructure</RootNamespace> | ||
| <LangVersion>8.0</LangVersion> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <PackageReference Include="AWSSDK.S3" Version="3.3.106.4" /> | ||
| <PackageReference Include="RefactoringEssentials" Version="5.6.0" PrivateAssets="all" /> | ||
| <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="all" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <ProjectReference Include="..\Squidex.Infrastructure\Squidex.Infrastructure.csproj" /> | ||
| </ItemGroup> | ||
| <PropertyGroup> | ||
| <CodeAnalysisRuleSet>..\..\Squidex.ruleset</CodeAnalysisRuleSet> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <AdditionalFiles Include="..\..\stylecop.json" Link="stylecop.json" /> | ||
| </ItemGroup> | ||
| </Project> |
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20 changes: 20 additions & 0 deletions
20
backend/tests/Squidex.Infrastructure.Tests/Assets/AmazonS3AssetStoreFixture.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| // ========================================================================== | ||
| // Squidex Headless CMS | ||
| // ========================================================================== | ||
| // Copyright (c) Squidex UG (haftungsbeschraenkt) | ||
| // All rights reserved. Licensed under the MIT license. | ||
| // ========================================================================== | ||
|
|
||
| namespace Squidex.Infrastructure.Assets | ||
| { | ||
| public sealed class AmazonS3AssetStoreFixture | ||
| { | ||
| public AmazonS3AssetStore AssetStore { get; } | ||
|
|
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| public AmazonS3AssetStoreFixture() | ||
| { | ||
| AssetStore = new AmazonS3AssetStore("eu-central-1", "squidex-test", "squidex-assets", "secret", "secret"); | ||
| AssetStore.InitializeAsync().Wait(); | ||
| } | ||
| } | ||
| } |
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