public FileLoadOperation(TLFileLocationBase photoLocation, String extension, int size)
{
this.state = stateIdle;
/*if (photoLocation instanceof TL_fileEncryptedLocation) {
* this.location = new TL_inputEncryptedFileLocation();
* this.location.id = photoLocation.volume_id;
* this.location.volume_id = photoLocation.volume_id;
* this.location.access_hash = photoLocation.secret;
* this.location.local_id = photoLocation.local_id;
* this.iv = new byte[32];
* System.arraycopy(photoLocation.iv, 0, this.iv, 0, this.iv.length);
* this.key = photoLocation.key;
* this.datacenter_id = photoLocation.dc_id;
* } else*/
if (photoLocation is TLFileLocation fileLocation)
{
this.location = new TLInputFileLocation()
{
VolumeId = fileLocation.VolumeId,
Secret = fileLocation.Secret,
LocalId = fileLocation.LocalId
};
this.datacenter_id = fileLocation.DCId;
}
this.currentType = FileType.Photo;
this.totalBytesCount = size;
if (extension == null)
{
extension = "jpg";
}
this.ext = extension;
}
private TLFile GetFile(TLInt dcId, TLInputFileLocationBase location, TLInt offset, TLInt limit)
{
var manualResetEvent = new ManualResetEvent(false);
TLFile result = null;
_mtProtoService.GetFileAsync(dcId, location, offset, limit,
file =>
{
result = file;
manualResetEvent.Set();
},
error =>
{
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
return(result);
}
private TLUploadFileBase GetFile(int dcId, TLInputFileLocationBase location, int offset, int limit)
{
var manualResetEvent = new ManualResetEvent(false);
TLUploadFileBase result = null;
_mtProtoService.GetFileAsync(dcId, location, offset, limit,
file =>
{
result = file;
manualResetEvent.Set();
if (file is TLUploadFile full)
{
_statsService.IncrementReceivedBytesCount(_mtProtoService.NetworkType, _dataType, 4 + 4 + full.Bytes.Length + 4);
}
},
error =>
{
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
return(result);
}
public void GetFileAsync(TLInputFileLocationBase location, int offset, int limit, Action <TLUploadFileBase> callback, Action <TLRPCError> faultCallback = null)
{
var obj = new TLUploadGetFile {
Location = location, Offset = offset, Limit = limit
};
SendInformativeMessage("upload.getFile", obj, callback, faultCallback);
}
public void GetFileAsync(int dcId, TLInputFileLocationBase location, int offset, int limit, Action <TLUploadFileBase> callback, Action <TLRPCError> faultCallback = null)
{
var obj = new TLUploadGetFile {
Location = location, Offset = offset, Limit = limit
};
const string caption = "upload.getFile";
SendInformativeMessage(caption, obj, callback, faultCallback, null, dcId, ConnectionType.Download, RequestFlag.ForceDownload | RequestFlag.FailOnServerError, true);
}
private DownloadableItem GetDownloadableItem(TLInt dcId, TLInputFileLocationBase location, TLObject owner, TLInt fileSize)
{
var item = new DownloadableItem
{
Owner = owner,
DCId = dcId,
InputLocation = location
};
item.Parts = GetItemParts(fileSize, item);
return(item);
}
private DownloadableItem GetDownloadableItem(TLString fileName, TLInt dcId, TLInputFileLocationBase location, TLObject owner, TLInt fileSize, Action <DownloadableItem> callback)
{
var item = new DownloadableItem
{
DCId = dcId,
FileName = fileName,
Owner = owner,
InputLocation = location,
Callback = callback
};
item.Parts = GetItemParts(fileSize, item);
return(item);
}
protected void ProcessFilePart(DownloadablePart part, TLInt dcId, TLInputFileLocationBase location, out bool canceled)
{
do
{
TLRPCError error;
TLFileBase result;
if (part.ParentItem.CdnRedirect != null)
{
TLCdnFileReuploadNeeded cdnFileReuploadNeeded;
bool tokenInvalid;
result = GetCdnFile(part.ParentItem.CdnRedirect, part.Offset, part.Limit, out cdnFileReuploadNeeded, out error, out canceled, out tokenInvalid);
if (cdnFileReuploadNeeded != null)
{
ReuploadFile(part.ParentItem.CdnRedirect, dcId, cdnFileReuploadNeeded.RequestToken, out error, out canceled, out tokenInvalid);
}
if (tokenInvalid)
{
lock (_itemsSyncRoot)
{
part.ParentItem.CdnRedirect = null;
}
continue;
}
}
else
{
result = GetFile(dcId, location, part.Offset, part.Limit, out error, out canceled);
var fileCdnRedirect = result as TLFileCdnRedirect;
if (fileCdnRedirect != null)
{
lock (_itemsSyncRoot)
{
part.ParentItem.CdnRedirect = fileCdnRedirect;
}
continue;
}
}
part.File = result as TLFile;
if (canceled)
{
return;
}
} while (part.File == null);
}
public void DownloadFileAsync(TLInt dcId, TLInputFileLocationBase fileLocation, TLObject owner, TLInt fileSize, Action <double> callback)
{
Execute.BeginOnThreadPool(() =>
{
var downloadableItem = GetDownloadableItem(dcId, fileLocation, owner, fileSize);
var downloadedCount = downloadableItem.Parts.Count(x => x.Status == PartStatus.Processed);
var count = downloadableItem.Parts.Count;
var isComplete = downloadedCount == count;
if (isComplete)
{
var fileName = downloadableItem.InputLocation.GetFileName("video", ".mp4");
var getPartName = new Func <DownloadablePart, string>(x => x.ParentItem.InputLocation.GetPartFileName(x.Number, "video"));
FileUtils.MergePartsToFile(getPartName, downloadableItem.Parts, fileName);
downloadableItem.IsoFileName = fileName;
_eventAggregator.Publish(downloadableItem);
}
else
{
var progress = downloadedCount / (double)count;
callback.SafeInvoke(progress);
lock (_itemsSyncRoot)
{
bool addFile = true;
foreach (var item in _items)
{
if (item.InputLocation.LocationEquals(fileLocation) &&
item.Owner == owner)
{
addFile = false;
break;
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
});
}
public override bool LocationEquals(TLInputFileLocationBase location)
{
if (location == null)
{
return(false);
}
var fileLocation = location as TLInputVideoFileLocation;
if (fileLocation == null)
{
return(false);
}
return
(Id.Value == fileLocation.Id.Value &&
AccessHash.Value == fileLocation.AccessHash.Value);
}
public override bool LocationEquals(TLInputFileLocationBase location)
{
if (location == null)
{
return(false);
}
var fileLocation = location as TLInputFileLocation;
if (fileLocation == null)
{
return(false);
}
return
(VolumeId.Value == fileLocation.VolumeId.Value &&
LocalId.Value == fileLocation.LocalId.Value &&
Secret.Value == fileLocation.Secret.Value);
}
protected TLFileBase GetFile(TLInt dcId, TLInputFileLocationBase location, TLInt offset, TLInt limit, out TLRPCError er, out bool isCanceled)
{
var manualResetEvent = new ManualResetEvent(false);
TLFileBase result = null;
TLRPCError outError = null;
var outIsCanceled = false;
_mtProtoService.GetFileAsync(dcId, location, offset, limit,
file =>
{
result = file;
manualResetEvent.Set();
},
error =>
{
outError = error;
if (error.CodeEquals(ErrorCode.INTERNAL) ||
(error.CodeEquals(ErrorCode.BAD_REQUEST) && (error.TypeEquals(ErrorType.LOCATION_INVALID) || error.TypeEquals(ErrorType.VOLUME_LOC_NOT_FOUND))) ||
(error.CodeEquals(ErrorCode.NOT_FOUND) && error.Message != null && error.Message.ToString().StartsWith("Incorrect dhGen")))
{
outIsCanceled = true;
manualResetEvent.Set();
return;
}
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
er = outError;
isCanceled = outIsCanceled;
return(result);
}
private static async void DecryptFile(TLSecureFile secureFile, TLInputFileLocationBase inputFileLocation, string localFileName, string previewFileName)
{
var fileSecret = Passport.DecryptValueSecret(
secureFile.Secret,
EnterPasswordViewModel.Secret,
secureFile.FileHash);
var encryptedFile = await ApplicationData.Current.LocalFolder.GetFileAsync(inputFileLocation.GetFileName("document"));
var decryptedTuple = await Passport.DecryptFile(localFileName, encryptedFile, fileSecret, secureFile.FileHash);
var stream = await decryptedTuple.Item1.OpenReadAsync();
await DialogDetailsViewModel.ResizeJpeg(stream, 180, localFileName, previewFileName);
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
secureFile.NotifyOfPropertyChange(() => secureFile.Self);
});
}
public FileLoadOperation(TLDocument documentLocation)
{
try
{
/*if (documentLocation instanceof TLRPC.TL_documentEncrypted) {
* location = new TLRPC.TL_inputEncryptedFileLocation();
* location.id = documentLocation.id;
* location.access_hash = documentLocation.access_hash;
* datacenter_id = documentLocation.dc_id;
* iv = new byte[32];
* System.arraycopy(documentLocation.iv, 0, iv, 0, iv.length);
* key = documentLocation.key;
* } else*/
if (documentLocation is TLDocument document)
{
location = new TLInputDocumentFileLocation
{
Id = document.Id,
AccessHash = document.AccessHash
};
datacenter_id = document.DCId;
}
totalBytesCount = documentLocation.Size;
if (key != null)
{
int toAdd = 0;
if (totalBytesCount % 16 != 0)
{
bytesCountPadding = 16 - totalBytesCount % 16;
totalBytesCount += bytesCountPadding;
}
}
ext = FileLoader.getDocumentFileName(documentLocation);
int idx;
if (ext == null || (idx = ext.LastIndexOf('.')) == -1)
{
ext = "";
}
else
{
ext = ext.Substring(idx);
}
if ("audio/ogg".Equals(documentLocation.MimeType))
{
currentType = FileType.Audio;
}
else if ("video/mp4".Equals(documentLocation.MimeType))
{
currentType = FileType.Video;
}
else
{
currentType = FileType.File;
}
if (ext.Length <= 1)
{
if (documentLocation.MimeType != null)
{
switch (documentLocation.MimeType)
{
case "video/mp4":
ext = ".mp4";
break;
case "audio/ogg":
ext = ".ogg";
break;
default:
ext = "";
break;
}
}
else
{
ext = "";
}
}
}
catch (Exception e)
{
//FileLog.e(e);
onFail(true, 0);
}
}
public void DownloadFileAsync(TLString originalFileName, TLInt dcId, TLInputFileLocationBase fileLocation, TLObject owner, TLInt fileSize, Action <double> startCallback, Action <DownloadableItem> callback = null)
{
Execute.BeginOnThreadPool(() =>
{
var downloadableItem = GetDownloadableItem(originalFileName, dcId, fileLocation, owner, fileSize, callback);
var downloadedCount = downloadableItem.Parts.Count(x => x.Status == PartStatus.Processed);
var count = downloadableItem.Parts.Count;
var isComplete = downloadedCount == count;
if (isComplete)
{
var fileExtension = Path.GetExtension(downloadableItem.FileName.ToString());
var fileName = downloadableItem.InputLocation.GetFileName("document", fileExtension);
Func <DownloadablePart, string> getPartName = x => downloadableItem.InputLocation.GetPartFileName(x.Number, "document");
FileUtils.MergePartsToFile(getPartName, downloadableItem.Parts, fileName);
downloadableItem.IsoFileName = fileName;
_eventAggregator.Publish(downloadableItem);
}
else
{
var progress = downloadedCount / (double)count;
startCallback.SafeInvoke(progress);
lock (_itemsSyncRoot)
{
bool addFile = true;
foreach (var item in _items)
{
if (item.InputLocation.LocationEquals(fileLocation))
{
//item.SuppressMerge = true;
if (callback != null)
{
if (item.Callbacks == null)
{
item.Callbacks = new List <Action <DownloadableItem> >();
}
item.Callbacks.Add(callback);
addFile = false;
break;
}
//item.
if (item.Owner == owner)
{
addFile = false;
break;
}
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
});
}
public abstract bool LocationEquals(TLInputFileLocationBase location);
