/// <summary>
/// Uploads multiple files to the server path
/// </summary>
/// <param name="path"></param>
/// <param name="fileWrapperList"></param>
/// <returns></returns>
private async Task <T> UploadFiles <T>(String path, List <FileWrapper> fileWrapperList)
{
Uri url = new Uri(path);
HttpResponseMessage response;
using (var client = new HttpClient(CreateHttpMessageHandler()))
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Add("Accept", "application/json");
client.DefaultRequestHeaders.Add("Authorization", await this.GetAuthorizationHeader(null));
MultipartFormDataContent filesContent = new MultipartFormDataContent("--------------");
foreach (FileWrapper file in fileWrapperList)
{
Model.File.FileInfo fileInfo = file.Info();
var fileContent = new StreamContent(file.EncryptedData());
fileContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = "\"" + fileInfo.Name + "\"",
FileName = "\"" + fileInfo.Name + "\""
};
filesContent.Add(fileContent);
}
response = await client.PostAsync(url, filesContent);
}
return(JsonHelper.ObjectToObject <T>(response.Content.ReadAsStringAsync().Result));
}
/// <summary>
/// Adds the key info to the fileInfo
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
protected Model.File.FileInfo AddKeyToFileInfo(Model.File.FileInfo info)
{
if (this._key == null)
{
return(info);
}
info.Key = this._key.Export();
return(info);
}
public override Model.File.FileInfo Info()
{
System.IO.FileInfo fl = new System.IO.FileInfo(Path);
if (!fl.Exists)
{
throw new TraceSdkException("Error while loading file " + fl.FullName);
}
long size = fl.Length;
string mimetype = Helpers.GetMimeType(Path);
String name = fl.Name;
Stratumn.Sdk.Model.File.FileInfo fileInfo = new Stratumn.Sdk.Model.File.FileInfo(name, size, mimetype, null);
return(AddKeyToFileInfo(fileInfo));
}
private async Task <List <Property <FileWrapper> > > DownloadFiles(Dictionary <string, Property <FileRecord> > fileRecordMap)
{
List <Property <FileWrapper> > fileWrapperList = new List <Property <FileWrapper> >();
if (fileRecordMap.Count == 0)
{
return(fileWrapperList);
}
foreach (var fileRecordProp in fileRecordMap)
{
FileRecord fileRecord = fileRecordProp.Value.Value;
MemoryStream file = await client.DownloadFile(fileRecord);
FileInfo info = fileRecord.GetFileInfo();
// When downloading a file, set disableEncrpytion to true if no key is passed so that the
// FileWrapper doesn't generate a new key and try to decrypt the file data.
FileWrapper fileWrapper = new FileBlobWrapper(file, info, info.Key == null || info.Key == "");
fileWrapperList.Add(fileRecordProp.Value.Transform((T) => fileWrapper));
}
return(fileWrapperList);
}
internal FileBlobWrapper(MemoryStream blob, Model.File.FileInfo fileInfo, bool disableEncryption) : base(disableEncryption, fileInfo.Key)
{
this.Blob = blob;
this.FileInfo = fileInfo;
}
public FileBlobWrapper(MemoryStream blob, Model.File.FileInfo fileInfo) : base(false, fileInfo.Key)
{
this.Blob = blob;
this.FileInfo = fileInfo;
}
public static FileWrapper FromFileBlob(MemoryStream blob, Model.File.FileInfo fileInfo)
{
return(new FileBlobWrapper(blob, fileInfo));
}
public FileBlobWrapper(MemoryStream blob, Model.File.FileInfo fileInfo)
{
this.Blob = blob;
this.FileInfo = fileInfo;
}