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authorLibravatar vnugent <public@vaughnnugent.com>2023-07-12 01:28:23 -0400
committerLibravatar vnugent <public@vaughnnugent.com>2023-07-12 01:28:23 -0400
commitf64955c69d91e578e580b409ba31ac4b3477da96 (patch)
tree16f01392ddf1abfea13d7d1ede3bfb0459fe8f0d /back-end/src/Storage/MinioClientManager.cs
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+/*
+* Copyright (c) 2023 Vaughn Nugent
+*
+* Library: CMNext
+* Package: Content.Publishing.Blog.Admin
+* File: MinioClientManager.cs
+*
+* CMNext is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+*
+* CMNext is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see https://www.gnu.org/licenses/.
+*/
+
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+using Minio;
+using Minio.DataModel;
+
+using VNLib.Net.Http;
+using VNLib.Utils.Memory;
+using VNLib.Utils.Extensions;
+using VNLib.Plugins;
+using VNLib.Plugins.Extensions.Loading;
+
+using static Content.Publishing.Blog.Admin.Model.PostManager;
+
+namespace Content.Publishing.Blog.Admin.Storage
+{
+
+ [ConfigurationName("s3_config")]
+ internal sealed class MinioClientManager : StorageBase
+ {
+ private readonly MinioClient Client;
+ private readonly S3Config Config;
+
+ public MinioClientManager(PluginBase pbase, IConfigScope s3Config)
+ {
+ //Deserialize the config
+ Config = s3Config.Deserialze<S3Config>();
+ Client = new();
+ }
+
+ ///<inheritdoc/>
+ protected override string? BasePath => Config.BaseBucket;
+
+ ///<inheritdoc/>
+ public override async Task ConfigureServiceAsync(PluginBase plugin)
+ {
+ using ISecretResult? secret = await plugin.GetSecretAsync("s3_secret");
+
+ Client.WithEndpoint(Config.ServerAddress)
+ .WithCredentials(Config.ClientId, secret.Result.ToString());
+
+ Client.WithSSL(Config.UseSsl.HasValue && Config.UseSsl.Value);
+
+ //Accept optional region
+ if (!string.IsNullOrWhiteSpace(Config.Region))
+ {
+ Client.WithRegion(Config.Region);
+ }
+
+ //10 second timeout
+ Client.WithTimeout(10 * 1000);
+
+ //Setup debug trace
+ if (plugin.IsDebug())
+ {
+ Client.SetTraceOn(new ReqLogger(plugin.Log));
+ }
+
+ //Build client
+ Client.Build();
+ }
+
+ ///<inheritdoc/>
+ public override Task DeleteFileAsync(string filePath, CancellationToken cancellation)
+ {
+ RemoveObjectArgs args = new();
+ args.WithBucket(Config.BaseBucket)
+ .WithObject(filePath);
+
+ //Remove the object
+ return Client.RemoveObjectAsync(args, cancellation);
+ }
+
+ ///<inheritdoc/>
+ public override Task SetFileAsync(string filePath, Stream data, ContentType ct, CancellationToken cancellation)
+ {
+ PutObjectArgs args = new();
+ args.WithBucket(Config.BaseBucket)
+ .WithContentType(HttpHelpers.GetContentTypeString(ct))
+ .WithObject(filePath)
+ .WithObjectSize(data.Length)
+ .WithStreamData(data);
+
+ //Upload the object
+ return Client.PutObjectAsync(args, cancellation);
+ }
+
+ ///<inheritdoc/>
+ public override async Task<long> ReadFileAsync(string filePath, Stream output, CancellationToken cancellation)
+ {
+ //Get the item
+ GetObjectArgs args = new();
+ args.WithBucket(Config.BaseBucket)
+ .WithObject(filePath)
+ .WithCallbackStream(async (stream, cancellation) =>
+ {
+ //Read the objec to memory
+ await stream.CopyToAsync(output, 4096, MemoryUtil.Shared, cancellation);
+ });
+ try
+ {
+ //Get the post content file
+ ObjectStat stat = await Client.GetObjectAsync(args, cancellation);
+ }
+ catch (Minio.Exceptions.ObjectNotFoundException)
+ {
+ //File not found
+ return -1;
+ }
+ return output.Position;
+ }
+ }
+}