private async Task UploadWithAccessToken(string accessToken, string folderPath, string fileName, byte[] jpegData)
{
var parentId = await _driveHelper.GetFolderId(accessToken, folderPath);
var metadata = new GoogleFileMetadata {
Title = fileName,
Parents = new GoogleFileParent[] {
new GoogleFileParent { Id = parentId }
}
};
var byteArray = GetMultiPartUpload(metadata, jpegData);
// Get the response
var request = WebRequest.Create(_uploadFileAddress);
request.ContentType = string.Format("multipart/related; boundary={0}", _multipartBoundary);
request.ContentLength = byteArray.Length;
request.Headers[HttpRequestHeader.Authorization] = string.Format("Bearer {0}", accessToken);
request.Method = "POST";
using (var writeStream = await request.GetRequestStreamAsync())
{
writeStream.Write(byteArray, 0, byteArray.Length);
}
var response = await request.GetResponseAsync();
string responseContent = null;
using (var stream = response.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
responseContent = await reader.ReadToEndAsync();
}
}
}
private byte[] GetMultiPartUpload(GoogleFileMetadata metadata, byte[] jpegData)
{
var formData = string.Format(_multipartTemplate,
JsonConvert.SerializeObject(metadata));
var formBytes = Encoding.UTF8.GetBytes(formData);
var endBytes = Encoding.UTF8.GetBytes(_multipartTemplateEnd);
var allBytes = new byte[formBytes.Length + jpegData.Length + endBytes.Length];
formBytes.CopyTo(allBytes, 0);
jpegData.CopyTo(allBytes, formBytes.Length);
endBytes.CopyTo(allBytes, formBytes.Length + jpegData.Length);
return allBytes;
}
private async Task<string> CreateFolder(string accessToken, string folderName, string parentId = null)
{
var metadata = new GoogleFileMetadata
{
Title = folderName,
MimeType = "application/vnd.google-apps.folder"
};
if (!string.IsNullOrEmpty(parentId))
{
metadata.Parents = new GoogleFileParent[] {
new GoogleFileParent { Id = parentId }
};
}
var byteArray = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(metadata));
// Get the response
var request = WebRequest.Create(_createFolderAddress);
request.ContentType = "application/json";
request.ContentLength = byteArray.Length;
request.Headers[HttpRequestHeader.Authorization] = string.Format("Bearer {0}", accessToken);
request.Method = "POST";
using (var writeStream = await request.GetRequestStreamAsync())
{
writeStream.Write(byteArray, 0, byteArray.Length);
}
var response = await request.GetResponseAsync();
string responseContent = null;
using (var stream = response.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
responseContent = await reader.ReadToEndAsync();
}
}
var parent = JsonConvert.DeserializeObject<GoogleFileParent>(responseContent);
return parent.Id;
}