private bool IsImageAttachment(KidsNoteContent.Attachment attach)
{
return(attach.Type == AttachmentType.IMAGE ||
attach.Type == AttachmentType.IMAGE_MENU_AFTERNOON_SNACK ||
attach.Type == AttachmentType.IMAGE_MENU_DINNER ||
attach.Type == AttachmentType.IMAGE_MENU_LUNCH ||
attach.Type == AttachmentType.IMAGE_MENU_MORNING_SNACK);
}
private string UploadPhotoAttachment(KidsNoteContent.Attachment attach, int index, string parentId, string ext, bool encrypt)
{
attach.Data.Seek(0, SeekOrigin.Begin);
MemoryStream encryptedStream = null;
if (encrypt)
{
EncryptorChaCha chacha = new EncryptorChaCha(true, EncryptorChaCha.DefaultChaChaEncKey, EncryptorChaCha.DefaultChaChaEncNonce);
encryptedStream = new MemoryStream();
byte[] readBuffer = new byte[4096];
byte[] encBuffer = new byte[readBuffer.Length];
int nRead = attach.Data.Read(readBuffer, 0, readBuffer.Length);
while (nRead > 0)
{
chacha.Process(readBuffer, 0, nRead, encBuffer, 0);
encryptedStream.Write(encBuffer, 0, nRead);
nRead = attach.Data.Read(readBuffer, 0, readBuffer.Length);
}
encryptedStream.Seek(0, SeekOrigin.Begin);
}
string mType = MimeType.get(ext);
string attachName = string.Format("{0}_{1}", index.ToString("000"), attach.Name);
string message = String.Format("Uploading attachment... {0}", attachName);
UploadProgress(message);
Stream toUpload = encrypt ? encryptedStream : attach.Data;
string suffix = encrypt ? ".chacha" : "";
string id = "";
try
{
id = UploadFile(toUpload, parentId, attachName + suffix, attach.Name + suffix, mType);
}
catch (Exception)
{
id = "";
}
return(id);
}
private string UploadVideoAttachment(KidsNoteContent.Attachment attach, int index, string parentId, string ext, bool encrypt)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(attach.DownloadUrl);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string mType = MimeType.get(ext);
string id = "";
Stream videoDownloadStream = null;
FileStream fileStream = null;
string savedFileName = "";
try
{
EncryptorChaCha chacha = null;
if (encrypt)
{
chacha = new EncryptorChaCha(true, EncryptorChaCha.DefaultChaChaEncKey, EncryptorChaCha.DefaultChaChaEncNonce);
}
videoDownloadStream = response.GetResponseStream();
savedFileName = String.Format("video.{0}", ext);
fileStream = File.Create(savedFileName);
byte[] buffer = new byte[1024 * 16];
byte[] bufferEnc = new byte[buffer.Length];
int bytesRead = 0;
int totalBytesRead = 0;
do
{
bytesRead = videoDownloadStream.Read(buffer, 0, buffer.Length);
if (bytesRead > 0)
{
if (chacha != null)
{
chacha.Process(buffer, 0, bytesRead, bufferEnc, 0);
fileStream.Write(bufferEnc, 0, bytesRead);
}
else
{
fileStream.Write(buffer, 0, bytesRead);
}
totalBytesRead += bytesRead;
}
}while (bytesRead > 0);
videoDownloadStream.Close();
fileStream.Seek(0, SeekOrigin.Begin);
string attachName = string.Format("{0}_{1}", index.ToString("000"), attach.Name);
string suffix = encrypt ? ".chacha" : "";
string message = String.Format("Uploading attachment... {0}", attachName);
UploadProgress(message);
id = UploadFile(fileStream, parentId, attachName + suffix, attach.Name + suffix, mType);
fileStream.Close();
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
id = "";
}
if (videoDownloadStream != null)
{
videoDownloadStream.Close();
}
if (response != null)
{
response.Close();
}
if (fileStream != null)
{
fileStream.Close();
}
if (System.IO.File.Exists(savedFileName))
{
System.IO.File.Delete(savedFileName);
}
return(id);
}
