public Boolean abortDownload(String filePath)
{
lock (pendingUploads)
{
foreach (String key in pendingUploads.Keys)
{
UPLOAD_INFO u = pendingUploads[key];
if (u.path.Equals(filePath))
{
pendingUploads.Remove(key);
return(true);
}
}
}
return(false);
}
public void upload(UPLOAD_INFO f, string localpath)
{
fileMgr.upload(f, localpath);
}
public string getDownloadKey(UPLOAD_INFO f)
{
string key;
lock (pendingUploads)
{
while (true)
{
string random1 = Path.GetRandomFileName().Substring(0, 8);
string random2 = Path.GetRandomFileName().Substring(0, 8);
key = random1 + random2;
try
{
//ADD TIMEOUT NOT SUPPORTED
pendingUploads.Add(key, f);
break;
} catch (ArgumentException) { /* keep trying */ }
}
}
String containerName, blobName, containerAzureName;
String[] arr = f.path.Split(':');
containerName = arr[0];
blobName = arr[1];
if (containerName.Equals(f.username))
{
containerAzureName = azureLink.findUserId(f.username).ToString();
}
else
{
int uid = azureLink.findUserId(f.username);
IResourceManage r = new Resource();
int rid = r.getContainerID(uid, containerName);
if (rid == -1)
{
pendingUploads.Remove(key);
throw new DBLikeExceptions.CloudContainerNotFoundException();
}
if (!r.canWrite(uid, rid))
{
pendingUploads.Remove(key);
throw new DBLikeExceptions.UnauthorizedAccessException();
}
/* TODO: improve this */
containerAzureName = new DBManager.ResourceM()
.getResourceById(new DBManager.DBAccess().getDBAccess(), rid)
.getContainerName();
}
if (VALIDATE_OLD_HASH)
{
try
{
var blobMgr = new BlobStorageManager.BlobFileHandler();
String oldHash = blobMgr.getBlobMD5HashValue(containerAzureName, blobName);
if (oldHash != null && !oldHash.Equals(f.prevHash))
{
throw new DBLikeExceptions.HashConflictException();
}
} catch (DBLikeExceptions.CloudBlobNotFoundException) { /* new file, no old hash */ }
}
return(key);
}
