csharp-sdk-upm/Storage/Source/Internal/File/Controller/AWSS3FileController.cs

55 lines
1.8 KiB
C#

using System;
using System.Threading.Tasks;
using System.Threading;
using System.IO;
using LeanCloud.Storage.Internal;
using System.Collections.Generic;
namespace LeanCloud.Storage.Internal
{
internal class AWSS3FileController : AVFileController
{
private object mutex = new object();
public AWSS3FileController(IAVCommandRunner commandRunner) : base(commandRunner)
{
}
public override Task<FileState> SaveAsync(FileState state, Stream dataStream, string sessionToken, IProgress<AVUploadProgressEventArgs> progress, CancellationToken cancellationToken = default(System.Threading.CancellationToken))
{
if (state.Url != null)
{
return Task.FromResult(state);
}
return GetFileToken(state, cancellationToken).OnSuccess(t =>
{
var fileToken = t.Result.Item2;
var uploadUrl = fileToken["upload_url"].ToString();
state.ObjectId = fileToken["objectId"].ToString();
string url = fileToken["url"] as string;
state.Url = new Uri(url, UriKind.Absolute);
return PutFile(state, uploadUrl, dataStream);
}).Unwrap().OnSuccess(s =>
{
return s.Result;
});
}
internal Task<FileState> PutFile(FileState state, string uploadUrl, Stream dataStream)
{
IList<KeyValuePair<string, string>> makeBlockHeaders = new List<KeyValuePair<string, string>>();
makeBlockHeaders.Add(new KeyValuePair<string, string>("Content-Type", state.MimeType));
return AVClient.RequestAsync(new Uri(uploadUrl), "PUT", makeBlockHeaders, dataStream, state.MimeType, CancellationToken.None).OnSuccess(t =>
{
return state;
});
}
}
}