public override FileServerResult StoreImage(System.Drawing.Image objImage, IFileQuery qryFileDestination, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
if (CDNOnly)
{
var result = new FileServerResult(true);
var blob = GetBlobForStorage(qryFileDestination);
using (System.IO.MemoryStream stmImage = new System.IO.MemoryStream())
{
if (enuFormat != null)
{
objImage.Save(stmImage, enuFormat);
}
else
{
objImage.Save(stmImage, objImage.RawFormat);
}
stmImage.Seek(0, SeekOrigin.Begin);
blob.UploadFromStream(stmImage);
}
result.Uri = blob.Uri;
return(result);
}
else
{
var result = base.WriteImageLocal(objImage, qryFileDestination, enuFormat);
if (result.Success)
{
var blob = GetBlobForStorage(qryFileDestination);
blob.UploadFromFile(GetLocalDiskPath(qryFileDestination));
result.Uri = blob.Uri;
}
return(result);
}
}
public override FileProperties GetFilePropertiesFromCDN(IFileQuery qryFile)
{
try
{
var objRef = S3TransferUtil.S3Client.GetObjectMetadata(GetCDNFolderPath(qryFile, true), GetFileName(qryFile));
FileProperties props = new FileProperties();
props.Source = objRef;
props.Length = objRef.ContentLength;
props.ETag = objRef.ETag;
props.VersionNumber = objRef.VersionId;
props.ContentMD5 = objRef.Headers.ContentMD5;
props.ContentType = objRef.Headers.ContentType;
props.LastModified = new DateTimeOffset(objRef.LastModified);
props.Created = props.LastModified;
props.URL = GetCDNURL(qryFile);
if (objRef.Metadata != null)
{
props.MetaData = new Dictionary <string, string>();
foreach (var key in objRef.Metadata.Keys)
{
props.MetaData.Add(key, objRef.Metadata[key]);
}
}
return(props);
}
catch (Amazon.S3.AmazonS3Exception ex)
{
if (ex.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(null);
}
throw;
}
}
protected CloudBlockBlob GetBlob(IFileQuery qryFile)
{
CloudBlobContainer objAzureContainer = AzureBlobClient.GetContainerReference(Settings.CDNStorageBucket);
CloudBlockBlob blockBlob = objAzureContainer.GetBlockBlobReference(GetCDNPath(qryFile, false));
return(blockBlob);
}
public virtual Task <FileServerResult> StoreImageAsync(Image objImage, IFileQuery qryFileDestination, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
return(Task.Factory.StartNew(() =>
{
return StoreImage(objImage, qryFileDestination, enuFormat);
}));
}
public virtual Task <FileServerResult> DeleteAsync(IFileQuery qryFile)
{
return(Task.Factory.StartNew(() =>
{
return Delete(qryFile);
}));
}
public Task <FileServerResult> WriteImageLocalAsync(Image objImage, IFileQuery qryFile, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
return(Task.Factory.StartNew(() =>
{
return WriteImageLocal(objImage, qryFile, enuFormat);
}));
}
private CloudBlockBlob GetBlobForStorage(IFileQuery qryFileDestination)
{
var blockBlob = GetBlob(qryFileDestination);
try
{
blockBlob.Properties.ContentType = Web.MimeTypeMap.GetMimeType(System.IO.Path.GetExtension(qryFileDestination.FileName));
}
catch { }
#region Meta Data
blockBlob.Metadata.Add("FileName", qryFileDestination.FileName);
if (!String.IsNullOrWhiteSpace(qryFileDestination.Folder))
{
blockBlob.Metadata.Add("Folder", qryFileDestination.Folder);
}
if (!String.IsNullOrWhiteSpace(qryFileDestination.SubFolder))
{
blockBlob.Metadata.Add("SubFolder", qryFileDestination.SubFolder);
}
foreach (var item in qryFileDestination.MetaData)
{
blockBlob.Metadata.Add(item);
}
#endregion
return(blockBlob);
}
public Task <FileServerResult> WriteFileLocalAsync(System.IO.Stream stmFile, IFileQuery qryFile)
{
return(Task.Factory.StartNew(() =>
{
return WriteFileLocal(stmFile, qryFile);
}));
}
public Task <FileServerResult> WriteFileLocalAsync(string strSourceFilePath, IFileQuery qryFile)
{
return(Task.Factory.StartNew(() =>
{
return WriteFileLocal(strSourceFilePath, qryFile);
}));
}
private TransferUtilityUploadRequest GetUploadRequest(IFileQuery qryFileDestination)
{
TransferUtilityUploadRequest fileTransferUtilityRequest = new TransferUtilityUploadRequest
{
BucketName = GetCDNFolderPath(qryFileDestination, true),
StorageClass = StorageClass,
Key = GetFileName(qryFileDestination),
CannedACL = CurrentACL
};
#region Meta Data
fileTransferUtilityRequest.Metadata.Add("FileName", qryFileDestination.FileName);
if (!String.IsNullOrWhiteSpace(qryFileDestination.Folder))
{
fileTransferUtilityRequest.Metadata.Add("Folder", qryFileDestination.Folder);
}
if (!String.IsNullOrWhiteSpace(qryFileDestination.SubFolder))
{
fileTransferUtilityRequest.Metadata.Add("SubFolder", qryFileDestination.SubFolder);
}
foreach (var item in qryFileDestination.MetaData)
{
fileTransferUtilityRequest.Metadata.Add(item.Key, item.Value);
}
#endregion
return(fileTransferUtilityRequest);
}
public string GetFolderPath(IFileQuery qryFile)
{
if (!String.IsNullOrWhiteSpace(qryFile.SubFolder))
{
qryFile.SubFolder = CleanPathSegment(qryFile.SubFolder);
if (!String.IsNullOrWhiteSpace(qryFile.SubFolder) && !qryFile.SubFolder.EndsWith("/"))
{
qryFile.SubFolder = qryFile.SubFolder + "/";
}
}
if (!String.IsNullOrWhiteSpace(qryFile.Folder) && !String.IsNullOrWhiteSpace(qryFile.SubFolder))
{
return(qryFile.Folder + "/" + qryFile.SubFolder);
}
else if (!String.IsNullOrWhiteSpace(qryFile.Folder))
{
return(qryFile.Folder);
}
else if (!String.IsNullOrWhiteSpace(qryFile.SubFolder))
{
return(qryFile.SubFolder);
}
else
{
return("");
}
}
public override FileProperties GetFilePropertiesFromCDN(IFileQuery qryFile)
{
var blob = GetBlob(qryFile);
try
{
blob.FetchAttributes();
FileProperties props = new FileProperties();
props.MetaData = blob.Metadata;
props.Source = blob.Properties;
props.Length = blob.Properties.Length;
props.ContentMD5 = blob.Properties.ContentMD5;
props.ETag = blob.Properties.ETag;
props.ContentType = blob.Properties.ContentType;
props.LastModified = blob.Properties.LastModified;
props.Created = props.LastModified;
props.URL = blob.Uri.ToString();
return(props);
}
catch (Microsoft.Azure.Storage.StorageException ex)
{
if (ex.RequestInformation.HttpStatusCode == (int)System.Net.HttpStatusCode.NotFound)
{
return(null);
}
throw;
}
}
public Task <FileServerResult> DeleteFileLocalAsync(IFileQuery qryFile)
{
return(Task.Factory.StartNew(() =>
{
return DeleteFileLocal(qryFile);
}));
}
public bool FileExistsLocal(IFileQuery qryFile)
{
if (Settings.DisableLocalStorage)
{
return(false);
}
return(System.IO.File.Exists(GetLocalDiskPath(qryFile)));
}
public Image LoadImageLocal(IFileQuery qryFile)
{
if (!FileExistsLocal(qryFile))
{
return(null);
}
return(new Bitmap(GetLocalDiskPath(qryFile)));
}
public string LoadFileTextLocal(IFileQuery qryFile, System.Text.Encoding encoding)
{
if (!FileExistsLocal(qryFile))
{
return(null);
}
return(System.IO.File.ReadAllText(GetLocalDiskPath(qryFile), encoding));
}
public byte[] LoadFileBytesLocal(IFileQuery qryFile)
{
if (!FileExistsLocal(qryFile))
{
return(null);
}
return(System.IO.File.ReadAllBytes(GetLocalDiskPath(qryFile)));
}
public System.IO.FileStream LoadFileStreamLocal(IFileQuery qryFile)
{
if (!FileExistsLocal(qryFile))
{
return(null);
}
return(System.IO.File.OpenRead(GetLocalDiskPath(qryFile)));
}
public FileServerResult DeleteFileLocal(IFileQuery qryFile)
{
if (FileExistsLocal(qryFile))
{
System.IO.File.Delete(GetLocalDiskPath(qryFile));
}
return(FileServerResult.Successful());
}
public string GetFileName(IFileQuery qryFile)
{
if (!String.IsNullOrWhiteSpace(Settings.GlobalFileNamePrepend))
{
return(Settings.GlobalFileNamePrepend + qryFile.FileName);
}
return(qryFile.FileName);
}
public FileService(IFileQuery fileQuery,
IFileUpsertCommand fileCommand,
IApplicationContext cntx)
{
this.fileQuery = fileQuery;
this.fileCommand = fileCommand;
this.cntx = cntx;
}
public override System.IO.Stream LoadFileStream(IFileQuery qryFile)
{
if (FileExpiredLocal(qryFile))
{
SaveFromCDN(qryFile);
}
return(base.LoadFileStream(qryFile));
}
public override byte[] LoadFileBytes(IFileQuery qryFile)
{
if (FileExpiredLocal(qryFile))
{
SaveFromCDN(qryFile);
}
return(base.LoadFileBytes(qryFile));
}
public override System.Drawing.Image LoadImage(IFileQuery qryFile)
{
if (FileExpiredLocal(qryFile))
{
SaveFromCDN(qryFile);
}
return(base.LoadImage(qryFile));
}
public override string LoadFileText(IFileQuery qryFile)
{
if (FileExpiredLocal(qryFile))
{
SaveFromCDN(qryFile);
}
return(base.LoadFileText(qryFile));
}
public override string LoadFileText(IFileQuery qryFile, System.Text.Encoding encoding)
{
if (FileExpiredLocal(qryFile))
{
SaveFromCDN(qryFile);
}
return(base.LoadFileText(qryFile, encoding));
}
public FileServerResult WriteImageLocal(string strSourceImagePath, IFileQuery qryFile)
{
if (Settings.LocalReadOnlyMode)
{
return(FileServerResult.Failure());
}
System.IO.File.Copy(strSourceImagePath, GetAndCreateLocalDiskPath(qryFile), Settings.OverwriteExistingFiles);
return(FileServerResult.Successful());
}
public override FileServerResult StoreImage(string strSourceImagePath, IFileQuery qryFileDestination)
{
var result = new FileServerResult(false);
var blob = GetBlobForStorage(qryFileDestination);
blob.UploadFromFile(strSourceImagePath);
result = base.WriteImageLocal(strSourceImagePath, qryFileDestination);
return(result);
}
public bool ImportIfNeeded(IFileQuery qryFile)
{
if (FileExistsLocal(qryFile) && !FileExistsInCDN(qryFile))
{
PushToCDN(qryFile);
return(true);
}
return(false);
}
private void SaveFromCDN(IFileQuery qryFile)
{
var blockBlobToDownload = GetBlob(qryFile);
using (var fileStream = System.IO.File.OpenWrite(GetAndCreateLocalDiskPath(qryFile)))
{
blockBlobToDownload.DownloadToStream(fileStream);
}
}
public override bool FileExpiredLocal(IFileQuery qryFile)
{
var propsLocal = GetFilePropertiesLocal(qryFile);
if (propsLocal == null)
return true;
var propsCDN = GetFilePropertiesFromCDN(qryFile);
if (propsCDN == null)
return false;
return !propsLocal.IsCurrentVersionOf(propsCDN);
}
public virtual Task<FileServerResult> StoreImageAsync(string strSourceImagePath, IFileQuery qryFileDestination)
{
return Task.Factory.StartNew(() =>
{
return StoreImage(strSourceImagePath, qryFileDestination);
});
}
public virtual FileServerResult Delete(IFileQuery qryFile)
{
return DeleteFileLocal(qryFile);
}
public virtual Task<FileServerResult> StoreImageAsync(System.IO.Stream stmImage, IFileQuery qryFileDestination, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
return Task.Factory.StartNew(() =>
{
return StoreImage(stmImage, qryFileDestination, enuFormat);
});
}
public virtual FileServerResult StoreImage(string strSourceImagePath, IFileQuery qryFileDestination)
{
return WriteImageLocal(strSourceImagePath, qryFileDestination);
}
public virtual System.IO.Stream LoadFileStream(IFileQuery qryFile)
{
return LoadFileStreamLocal(qryFile);
}
public virtual FileServerResult StoreImage(System.IO.Stream stmImage, IFileQuery qryFileDestination, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
return WriteImageLocal(stmImage, qryFileDestination, enuFormat);
}
public FileServerResult WriteImageLocal(System.IO.Stream stmImage, IFileQuery qryFile, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
if (Settings.LocalReadOnlyMode)
return FileServerResult.Failure;
if (Settings.OverwriteExistingFiles)
DeleteFileLocal(qryFile);
using (Image img = System.Drawing.Image.FromStream(stmImage))
{
if (enuFormat != null)
img.Save(GetAndCreateLocalDiskPath(qryFile), enuFormat);
else
img.Save(GetAndCreateLocalDiskPath(qryFile));
}
return FileServerResult.Successful;
}
public Task<FileServerResult> WriteImageLocalAsync(Image objImage, IFileQuery qryFile, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
return Task.Factory.StartNew(() =>
{
return WriteImageLocal(objImage, qryFile, enuFormat);
});
}
public FileServerResult WriteImageLocal(string strSourceImagePath, IFileQuery qryFile)
{
if (Settings.LocalReadOnlyMode)
return FileServerResult.Failure;
System.IO.File.Copy(strSourceImagePath, GetAndCreateLocalDiskPath(qryFile), Settings.OverwriteExistingFiles);
return FileServerResult.Successful;
}
public FileServerResult WriteFileLocal(System.IO.Stream stmFile, IFileQuery qryFile)
{
if (Settings.LocalReadOnlyMode)
return FileServerResult.Failure;
if (Settings.OverwriteExistingFiles)
DeleteFileLocal(qryFile);
using (var writer = new System.IO.StreamWriter(GetAndCreateLocalDiskPath(qryFile)))
{
stmFile.Seek(0, System.IO.SeekOrigin.Begin);
stmFile.CopyTo(writer.BaseStream);
writer.Close();
}
return FileServerResult.Successful;
}
public virtual string LoadFileText(IFileQuery qryFile, System.Text.Encoding encoding)
{
return LoadFileTextLocal(qryFile, encoding);
}
public virtual string LoadFileText(IFileQuery qryFile)
{
return LoadFileTextLocal(qryFile);
}
public virtual byte[] LoadFileBytes(IFileQuery qryFile)
{
return LoadFileBytesLocal(qryFile);
}
public virtual Task<FileServerResult> DeleteAsync(IFileQuery qryFile)
{
return Task.Factory.StartNew(() =>
{
return Delete(qryFile);
});
}
public virtual string GetCDNURL(IFileQuery qryFile)
{
throw new NotImplementedException("No remote server has been specified for file retrieval");
}
public virtual bool FileExpiredLocal(IFileQuery qryFile)
{
throw new NotImplementedException("No remote server has been specified to check expiration");
}
public Task<FileServerResult> WriteFileFromStringLocalAsync(string strFileBody, IFileQuery qryFile)
{
return Task.Factory.StartNew(() =>
{
return WriteFileFromStringLocal(strFileBody, qryFile);
});
}
public FileServerResult WriteImageLocal(Image objImage, IFileQuery qryFile, System.Drawing.Imaging.ImageFormat enuFormat = null)
{
if (Settings.LocalReadOnlyMode)
return FileServerResult.Failure;
if (Settings.OverwriteExistingFiles)
DeleteFileLocal(qryFile);
if (enuFormat != null)
objImage.Save(GetAndCreateLocalDiskPath(qryFile), enuFormat);
else
objImage.Save(GetAndCreateLocalDiskPath(qryFile));
return FileServerResult.Successful;
}
public virtual FileProperties GetFilePropertiesFromCDN(IFileQuery qryFile)
{
throw new NotImplementedException("No remote server has been specified to check file dates");
}
public virtual Image LoadImage(IFileQuery qryFile)
{
return LoadImageLocal(qryFile);
}
public Task<FileServerResult> WriteImageLocalAsync(string strSourceImagePath, IFileQuery qryFile)
{
return Task.Factory.StartNew(() =>
{
return WriteImageLocal(strSourceImagePath, qryFile);
});
}
public Task<FileServerResult> WriteFileLocalAsync(System.IO.Stream stmFile, IFileQuery qryFile)
{
return Task.Factory.StartNew(() =>
{
return WriteFileLocal(stmFile, qryFile);
});
}
public virtual FileServerResult StoreFile(System.IO.Stream stmFile, IFileQuery qryFileDestination)
{
return WriteFileLocal(stmFile, qryFileDestination);
}
public Task<FileServerResult> DeleteFileLocalAsync(IFileQuery qryFile)
{
return Task.Factory.StartNew(() =>
{
return DeleteFileLocal(qryFile);
});
}
public virtual Task<FileServerResult> StoreFileAsync(System.IO.Stream stmFile, IFileQuery qryFileDestination)
{
return Task.Factory.StartNew(() =>
{
return StoreFile(stmFile, qryFileDestination);
});
}
public virtual FileServerResult StoreFileFromString(string strFileBody, IFileQuery qryFileDestination, System.Text.Encoding encoding = null)
{
return WriteFileFromStringLocal(strFileBody, qryFileDestination, encoding);
}
public virtual Task<FileServerResult> StoreFileFromStringAsync(string strSourceFilePath, IFileQuery qryFileDestination, System.Text.Encoding encoding = null)
{
return Task.Factory.StartNew(() =>
{
return StoreFileFromString(strSourceFilePath, qryFileDestination, encoding);
});
}
public virtual bool FileExistsInCDN(IFileQuery qryFile)
{
throw new NotImplementedException("No remote server has been specified to check existance");
}
public FileServerResult WriteFileFromStringLocal(string strFileBody, IFileQuery qryFile, System.Text.Encoding encoding = null)
{
if (Settings.LocalReadOnlyMode)
return FileServerResult.Failure;
if (encoding != null)
System.IO.File.WriteAllText(GetAndCreateLocalDiskPath(qryFile), strFileBody, encoding);
else
System.IO.File.WriteAllText(GetAndCreateLocalDiskPath(qryFile), strFileBody);
return FileServerResult.Successful;
}
