protected override async Task <HttpTransfer> CreateDownload(HttpTransferRequest request)
{
var task = new BackgroundDownloader
{
Method = request.HttpMethod.Method,
CostPolicy = request.UseMeteredConnection
? BackgroundTransferCostPolicy.Default
: BackgroundTransferCostPolicy.UnrestrictedOnly
};
foreach (var header in request.Headers)
{
task.SetRequestHeader(header.Key, header.Value);
}
if (!request.LocalFile.Exists)
{
request.LocalFile.Create();
}
var winFile = await StorageFile.GetFileFromPathAsync(request.LocalFile.FullName).AsTask();
var operation = task.CreateDownload(new Uri(request.Uri), winFile);
operation.StartAsync();
return(operation.FromNative());
}
public async Task <IHttpTransfer> Create(HttpTransferRequest request)
{
var task = new BackgroundDownloader
{
Method = request.HttpMethod,
CostPolicy = request.UseMeteredConnection
? BackgroundTransferCostPolicy.Default
: BackgroundTransferCostPolicy.UnrestrictedOnly
};
foreach (var header in request.Headers)
{
task.SetRequestHeader(header.Key, header.Value);
}
//var filePath = config.LocalFilePath ?? Path.Combine(ApplicationData.Current.LocalFolder.Path, Path.GetRandomFileName());
var winFile = await StorageFile.GetFileFromPathAsync(request.LocalFilePath.FullName).AsTask();
var op = task.CreateDownload(new Uri(request.Uri), winFile);
//var operation = task.CreateDownload(new Uri(config.Uri), file);
//var httpTask = new DownloadHttpTask(config, operation, false);
//this.Add(httpTask);
return(null);
}
public async Task <IHttpTransfer> Create(HttpTransferRequest request)
{
var native = new Native.Request(request.LocalFilePath.ToNativeUri());
//native.SetAllowedNetworkTypes(DownloadNetwork.Wifi)
//native.SetAllowedOverRoaming()
//native.SetNotificationVisibility(DownloadVisibility.Visible);
//native.SetRequiresDeviceIdle
//native.SetRequiresCharging
//native.SetTitle("")
//native.SetVisibleInDownloadsUi(true);
native.SetAllowedOverMetered(request.UseMeteredConnection);
foreach (var header in request.Headers)
{
native.AddRequestHeader(header.Key, header.Value);
}
var id = this.GetManager().Enqueue(native);
//await this.repository.Set(id.ToString(), new HttpTransferStore
//{
//});
return(null);
}
public UploadHttpTransfer(HttpTransferRequest request) : base(request, true)
{
this.httpClient = new HttpClient();
this.cancelSrc = new CancellationTokenSource();
//this.Identifier = identifier;
//this.GetManager().Remove(id);
}
public Task <IHttpTransfer> Create(HttpTransferRequest request)
{
var task = this.session.CreateUploadTask(
NSUrlRequest.FromUrl(NSUrl.FromFilename(request.Uri)),
NSUrl.FromFilename(request.LocalFilePath.FullName)
);
return(null);
}
protected override async Task <HttpTransfer> CreateUpload(HttpTransferRequest request)
{
if (request.HttpMethod != System.Net.Http.HttpMethod.Post && request.HttpMethod != System.Net.Http.HttpMethod.Put)
{
throw new ArgumentException($"Invalid Upload HTTP Verb {request.HttpMethod} - only PUT or POST are valid");
}
var boundary = Guid.NewGuid().ToString("N");
var native = request.ToNative();
native["Content-Type"] = $"multipart/form-data; boundary={boundary}";
var tempPath = platform.GetUploadTempFilePath(request);
this.logger.LogInformation("Writing temp form data body to " + tempPath);
using (var fs = new FileStream(tempPath, FileMode.Create))
{
if (!request.PostData.IsEmpty())
{
fs.Write("--" + boundary);
fs.Write($"Content-Type: text/plain; charset=utf-8");
fs.Write("Content-Disposition: form-data;");
fs.WriteLine();
fs.Write(request.PostData !);
fs.WriteLine();
}
}
using (var fs = new FileStream(tempPath, FileMode.Append))
{
using (var uploadFile = request.LocalFile.OpenRead())
{
fs.Write("--" + boundary);
fs.Write($"Content-Type: application/octet-stream");
fs.Write($"Content-Disposition: form-data; name=\"blob\"; filename=\"{request.LocalFile.Name}\"");
fs.WriteLine();
await uploadFile.CopyToAsync(fs);
fs.WriteLine();
fs.Write($"--{boundary}--");
}
}
this.logger.LogInformation("Form body written");
var tempFileUrl = NSUrl.CreateFileUrl(tempPath, null);
var task = this.Session.CreateUploadTask(native, tempFileUrl);
var taskId = TaskIdentifier.Create(request.LocalFile);
task.TaskDescription = taskId.ToString();
var transfer = task.FromNative();
task.Resume();
return(transfer);
}
public virtual async Task <HttpTransfer> Enqueue(HttpTransferRequest request)
{
var task = request.IsUpload
? this.CreateUpload(request)
: this.CreateDownload(request);
var transfer = await task.ConfigureAwait(false);
return(transfer);
}
protected override Task <HttpTransfer> CreateUpload(HttpTransferRequest request)
{
var task = this.Session.CreateUploadTask(request.ToNative());
var taskId = TaskIdentifier.Create(request.LocalFile);
task.TaskDescription = taskId.ToString();
var transfer = task.FromNative();
task.Resume();
return(Task.FromResult(transfer));
}
protected override async Task <HttpTransfer> CreateDownload(HttpTransferRequest request)
{
if (request.HttpMethod != HttpMethod.Get)
{
throw new ArgumentException("Only GETs are supported for downloads on Android");
}
var access = await this.Services.Android.RequestAccess(Manifest.Permission.WriteExternalStorage);
if (access != AccessState.Available)
{
throw new ArgumentException("Invalid access to external storage - " + access);
}
access = await this.Services.Android.RequestAccess(Manifest.Permission.ReadExternalStorage);
if (access != AccessState.Available)
{
throw new ArgumentException("Invalid access to external storage - " + access);
}
var dlPath = Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDownloads).AbsolutePath;
var path = Path.Combine(dlPath, request.LocalFile.Name);
var native = new Native
.Request(Android.Net.Uri.Parse(request.Uri))
.SetDescription(request.LocalFile.FullName)
.SetDestinationUri(ToNativeUri(path)) // WRITE_EXTERNAL_STORAGE
.SetAllowedOverMetered(request.UseMeteredConnection);
foreach (var header in request.Headers)
{
native.AddRequestHeader(header.Key, header.Value);
}
var id = this.Services.Android.GetManager().Enqueue(native);
return(new HttpTransfer(
id.ToString(),
request.Uri,
request.LocalFile.FullName,
false,
request.UseMeteredConnection,
null,
0,
0,
HttpTransferState.Pending
));
}
protected override Task <HttpTransfer> CreateDownload(HttpTransferRequest request)
{
var task = this.Session.CreateDownloadTask(request.ToNative());
var taskId = TaskIdentifier.Create(request.LocalFile);
task.TaskDescription = taskId.ToString();
//task.Response.SuggestedFilename
//task.Response.ExpectedContentLength
var transfer = task.FromNative();
task.Resume();
return(Task.FromResult(transfer));
}
public Task <IHttpTransfer> Create(HttpTransferRequest request)
{
//public override IHttpTransfer Upload(HttpTransferConfiguration config)
// {
// if (String.IsNullOrWhiteSpace(config.LocalFilePath))
// throw new ArgumentException("You must set the local file path when uploading");
// if (!File.Exists(config.LocalFilePath))
// throw new ArgumentException($"File '{config.LocalFilePath}' does not exist");
// var task = new BackgroundUploader
// {
// Method = config.HttpMethod,
// CostPolicy = config.UseMeteredConnection
// ? BackgroundTransferCostPolicy.Default
// : BackgroundTransferCostPolicy.UnrestrictedOnly
// };
// foreach (var header in config.Headers)
// task.SetRequestHeader(header.Key, header.Value);
// // seriously - this should not be async!
// var file = StorageFile.GetFileFromPathAsync(config.LocalFilePath).AsTask().Result;
// var operation = task.CreateUpload(new Uri(config.Uri), file);
// var httpTask = new UploadHttpTransfer(config, operation, false);
// this.Add(httpTask);
// return httpTask;
// }
//BackgroundUploader
// .GetCurrentUploadsAsync()
// .AsTask()
// .ContinueWith(result =>
// {
// foreach (var task in result.Result)
// {
// var config = new HttpTransferConfiguration(task.RequestedUri.ToString(), task.SourceFile.Path)
// {
// HttpMethod = task.Method,
// UseMeteredConnection = task.CostPolicy != BackgroundTransferCostPolicy.UnrestrictedOnly
// };
// this.Add(new UploadHttpTransfer(config, task, true));
// }
// });
throw new NotImplementedException();
}
public static NSMutableUrlRequest ToNative(this HttpTransferRequest request)
{
var url = NSUrl.FromString(request.Uri);
var native = new NSMutableUrlRequest(url)
{
HttpMethod = request.HttpMethod.Method,
AllowsCellularAccess = request.UseMeteredConnection,
};
if (request.Headers.Any())
{
native.Headers = NSDictionary.FromObjectsAndKeys(
request.Headers.Values.ToArray(),
request.Headers.Keys.ToArray()
);
}
return(native);
}
async Task <HttpTransfer> Create(HttpTransferRequest request)
{
var id = Guid.NewGuid().ToString();
await this.Services
.Repository
.Set(id, new HttpTransferStore
{
Id = id,
Uri = request.Uri,
IsUpload = request.IsUpload,
PostData = request.PostData,
LocalFile = request.LocalFile.FullName,
UseMeteredConnection = request.UseMeteredConnection,
HttpMethod = request.HttpMethod.ToString(),
Headers = request.Headers
})
.ConfigureAwait(false);
await this.jobManager.Register(new JobInfo(typeof(TransferJob), id)
{
RequiredInternetAccess = InternetAccess.Any,
Repeat = true
});
var transfer = new HttpTransfer(
id,
request.Uri,
request.LocalFile.FullName,
request.IsUpload,
request.UseMeteredConnection,
null,
request.IsUpload ? request.LocalFile.Length : 0L,
0,
HttpTransferState.Pending
);
// fire and forget
this.jobManager.Run(id);
return(transfer);
}
protected AbstractHttpTransfer(HttpTransferRequest request, bool upload)
{
this.Request = request;
this.IsUpload = upload;
}
public static string GetUploadTempFilePath(this IPlatform platform, HttpTransferRequest request) => GetUploadTempFilePath(platform, request.LocalFile.Name);
protected override Task <HttpTransfer> CreateUpload(HttpTransferRequest request) => this.Create(request);
public HttpTransfer(HttpTransferRequest request, DownloadOperation operation) : base(request, false)
{
}
protected virtual Task <HttpTransfer> CreateDownload(HttpTransferRequest request)
{
throw new NotImplementedException();
}
public Task <IHttpTransfer> Create(HttpTransferRequest request)
{
throw new NotImplementedException();
}
public DownloadHttpTransfer(HttpTransferRequest request) : base(request, false)
{
}
public HttpTransfer(HttpTransferRequest request, UploadOperation operation) : base(request, true)
{
}
