/// <summary>
/// Gets all the files in the trash bin.
/// </summary>
/// <param name="context"></param>
/// <param name="p"></param>
/// <returns></returns>
public static List <File> GetTrashBinFile(this OnlineFilesEntities context, Principal p)
{
List <File> found;
bool createdContext = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
try
{
found = context.Files.Where(d => d.IsDeleted && d.OwnerId == p.UserProfile.SecurityObjectId)
.ToList();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
finally
{
if (createdContext)
{
context.Dispose();
context = null;
}
}
return(found);
}
/// <summary>
/// Moves the fileId to this Folder
/// </summary>
/// <param name="destination"></param>
/// <param name="fileId"></param>
/// <param name="destinationName"></param>
/// <param name="user"></param>
public static void MoveFileHere(this Folder destination, Guid fileId, string destinationName, Principal user)
{
using (var context = new OnlineFilesEntities())
{
var destSecurity = context.FolderSecurities.Where(d => d.fk_FolderId == destination.pk_FolderId);
//Can the user create files in the destinatioin folder?
if (destSecurity.Any(d => d.canCreateFiles && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
File fileToMove = context.Files.FirstOrDefault(d => d.pk_FileId == fileId);
if (fileToMove == null)
{
throw new Exception("Cannot move a non existant file");
}
Folder parentToFileToMove = context.Folders.Include(x => x.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == fileToMove.fk_FolderId);
if (parentToFileToMove == null)
{
throw new Exception("No parent to folder being moved.");
}
//Can the user delete from the folder that the file starts in?
if (parentToFileToMove.FolderSecurities.Any(d => user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId) && d.canDelete))
{
var locks = context.ObjectLockInfoes.Where(d => d.ObjectGuid == fileId);
if (locks.Count() > 0)
{
if (locks.Any(d => d.OwnerId == user.UserProfile.SecurityObjectId))
{
context.ObjectLockInfoes.RemoveRange(context.ObjectLockInfoes.Where(d => d.ObjectGuid == fileId));
context.SaveChanges();
}
else
{
throw new SecurityException("File is Locked by another user.");
}
}
}
else
{
throw new SecurityException("Not Authorized.");
}
fileToMove.Name = destination.CheckFolderName(destinationName, context);
fileToMove.fk_FolderId = destination.pk_FolderId;
context.SaveChanges();
}
else
{
throw new SecurityException("Not Authorized.");
}
}
}
/// <summary>
/// Purges the Folder and all it's children from the system
/// </summary>
/// <param name="context"></param>
/// <param name="folderId"></param>
private static void HardDeleteFolder(this OnlineFilesEntities context, Guid folderId)
{
bool createdContext = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
try
{
//Little bit of recursion here
var children = context.Folders.Where(x => x.fk_ParentFolderId == folderId).Select(c => c.pk_FolderId).ToList();
foreach (var f in children)
{
context.HardDeleteFolder(f);
}
Folder folder = context.Folders
.Include(x => x.FolderSecurities)
.Include(x => x.Files)
.FirstOrDefault(d => d.pk_FolderId == folderId);
if (folder == null)
{
throw new FileNotFoundException("File Not found with: " + folderId);
}
//Delete all the files.
foreach (File file in folder.Files.ToList())
{
context.HardDeleteFile(file.pk_FileId);
}
context.FolderSecurities.RemoveRange(folder.FolderSecurities);
context.Folders.Remove(folder);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
finally
{
if (createdContext)
{
context.SaveChanges();
context.Dispose();
context = null;
}
}
}
/// <summary>
/// Marks the File object as deleted, don't forget to commitchanges.
/// </summary>
/// <param name="deletedBy"></param>
public void SetDeleted(Principal deletedBy)
{
using (var context = new OnlineFilesEntities())
if (!(context.FileSecurities.AsNoTracking().Any(x => deletedBy.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId) && x.CanDelete)))
{
throw new SecurityException("Not Authorized.");
}
IsDeleted = true;
DeletedDt = DateTime.Now;
DeletedById = deletedBy.UserProfile.SecurityObjectId;
}
public void RestoreDeleted(SecurityObject undeletedBy)
{
using (var context = new OnlineFilesEntities())
if (!(context.FileSecurities.AsNoTracking().Any(x => undeletedBy.mySecurityGroups.Contains(x.SecurityObjectId) && x.CanDelete)))
{
throw new SecurityException("Not Authorized.");
}
IsDeleted = false;
DeletedDt = DateTime.Now;
DeletedById = undeletedBy.SecurityObjectId;
}
/// <summary>
/// Purges the file and all it's data from the system.
/// </summary>
/// <param name="context"></param>
/// <param name="fileId"></param>
private static void HardDeleteFile(this OnlineFilesEntities context, Guid fileId)
{
bool createdContext = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
try
{
File file = context.Files
.Include(c => c.FileSecurities)
.Include(c => c.FileDatas.Select(d => d.Catalog))
.FirstOrDefault(x => x.pk_FileId == fileId);
if (file == null)
{
throw new FileNotFoundException("File Not found with: " + fileId);
}
//Remove the data from the catalog.
foreach (FileData data in file.FileDatas)
{
using (var cfd = new OnlineFiles_CatalogEntities(data.Catalog.EntityConnectionString))
{
cfd.FileCatalogEntries.Remove(cfd.FileCatalogEntries.FirstOrDefault(d => d.pk_FileCatalogEntryId == data.fk_ContentId));
cfd.SaveChanges();
}
}
//Remove Pointer records to data
context.FileDatas.RemoveRange(file.FileDatas);
//Remove File Security Records.
context.FileSecurities.RemoveRange(file.FileSecurities);
context.Files.Remove(file);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
finally
{
if (createdContext)
{
context.SaveChanges();
context.Dispose();
context = null;
}
}
}
/// <summary>
/// Sets a bit flag to a file attribute.
/// </summary>
/// <param name="user"></param>
/// <param name="attrib"></param>
/// <param name="value"></param>
public void SetWin32Attribute(Principal user, FileAttributes attrib, bool value)
{
using (var context = new OnlineFilesEntities())
if (!(context.FileSecurities.Where(d => d.fk_FileId == pk_FileId).ToList().Any(x => user.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId) && x.canWrite)))
{
throw new SecurityException("Not Authorized.");
}
if (value)
{
Win32FileAttribute = (int)FlagsHelper.Set(((FileAttributes)Win32FileAttribute), attrib);
}
else
{
Win32FileAttribute = (int)FlagsHelper.Unset(((FileAttributes)Win32FileAttribute), attrib);
}
}
private long _Size(Guid folderId)
{
long size = 0;
using (var context = new OnlineFilesEntities())
{
foreach (Folder folder in context.Folders.Where(d => d.fk_ParentFolderId == folderId && !d.IsDeleted).ToList())
{
size += folder._Size(folder.pk_FolderId);//Recursively get the size of the children folders.
}
foreach (File file in context.Files.Where(d => d.fk_FolderId == folderId && !d.IsDeleted).ToList())
{
size += file.FileSize;//Get the size of each file
}
}
return(size);
}
/// <summary>
/// Opens a READ only stream to the file data.
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public Stream OpenReadStream(Principal user)
{
using (var context = new OnlineFilesEntities())
{
var sec = context.FileSecurities.Where(d => d.fk_FileId == pk_FileId && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId));
if (!sec.Any(d => d.canRead))
{
throw new SecurityException("Not Authorized.");
}
FileData filedata = context.FileDatas.AsNoTracking()
.Include(x => x.Catalog)
.Where(d => d.fk_FileId == pk_FileId)
.OrderByDescending(d => d.Revision)
.FirstOrDefault();
if (filedata == null)
{
return new MemoryStream(_emptyBytes.ToArray())
{
Position = 0
}
}
;
using (var ctx = new OnlineFiles_CatalogEntities(filedata.Catalog.EntityConnectionString))
{
FileCatalogEntry filecat = ctx.FileCatalogEntries.AsNoTracking()
.FirstOrDefault(d => d.pk_FileCatalogEntryId == filedata.fk_ContentId);
if (filecat == null)
{
return new MemoryStream(_emptyBytes.ToArray())
{
Position = 0
}
}
;
return(new MemoryStream(filecat.binaryData)
{
Position = 0
});
}
}
}
public void RestoreDeleted(SecurityObject undeletedBy)
{
List <FolderSecurity> perm;
using (var context = new OnlineFilesEntities())
perm = context.FolderSecurities.AsNoTracking().Where(d => d.fk_FolderId == pk_FolderId).ToList();
if (perm.Any(d => d.canDelete && undeletedBy.mySecurityGroups.Contains(d.SecurityObjectId)))
{
IsDeleted = false;
DeletedDt = DateTime.Now;
DeletedById = undeletedBy.SecurityObjectId;
}
else
{
throw new SecurityException("Not Authorized.");
}
}
/// <summary>
/// Gets all the files in a folder.
/// </summary>
/// <param name="context"></param>
/// <param name="folderkey"></param>
/// <param name="p"></param>
/// <param name="readOnly"></param>
/// <returns></returns>
public static List <File> GetChildFiles(this OnlineFilesEntities context, Guid?folderkey, Principal p, bool readOnly = false)
{
List <File> found;
bool createdContext = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
try
{
var folder = context.Folders.Include(x => x.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == folderkey);
if (folder == null)
{
throw new SecurityException("No Access");
}
if (!folder.FolderSecurities.Any(x => p.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId) && x.canListObjects))
{
throw new SecurityException("No Access");
}
DbQuery <File> source = readOnly ? context.Files.AsNoTracking() : context.Files;
found = source.Where(d => d.fk_FolderId == folderkey && !(d.IsDeleted) && (d.OwnerId == p.UserProfile.SecurityObjectId ||
d.FileSecurities.Any(x => x.canRead && p.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId))))
.ToList();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
finally
{
if (createdContext)
{
context.Dispose();
}
}
return(found);
}
public static File Rename(Guid?fileId, Guid?folderId, string name, SecurityObject createdBy)
{
using (var context = new OnlineFilesEntities())
{
if (folderId == null)
{
throw new Exception("Bad Guid.");
}
var folder = context.Folders
.Include(x => x.FolderSecurities)
.FirstOrDefault(d => d.pk_FolderId == folderId);
if (folder == null)
{
throw new Exception("Folder Not Found.");
}
if (!folder.FolderSecurities.Any(x => createdBy.mySecurityGroups.Contains(x.SecurityObjectId) && x.canCreateFiles))
{
throw new SecurityException("No Access.");
}
var filechk = context.Files
.Include(x => x.FileSecurities)
.FirstOrDefault(d => d.Name == name);
if (filechk != null)
{
throw new Exception("File Name already used.");
}
var file = context.Files
.Include(x => x.FileSecurities)
.FirstOrDefault(d => d.pk_FileId == fileId);
if (file != null)
{
file.Name = name;
}
context.Files.AddOrUpdate(file);
context.SaveChanges();
return(file);
}
}
/// <summary>
/// Returns the FileInfo
/// </summary>
/// <returns></returns>
public SqlStoreFileInfo GetFileInfo()
{
FileData lastdata;
if (FileDatas == null)
{
using (var context = new OnlineFilesEntities())
lastdata = context.FileDatas.OrderByDescending(d => d.Revision).FirstOrDefault();
}
else
{
lastdata = FileDatas.OrderByDescending(d => d.Revision).FirstOrDefault();
}
var fileinfo = new SqlStoreFileInfo
{
Parent = null,
Path = null,
Exists = true,
CreationTime = CreateDt,
LastAccessTime = CreateDt,
LastWriteTime = lastdata?.CreateDt ?? CreateDt,
Directory = false,
Archive = GetWin32Attribute(FileAttributes.Archive),
Compressed = GetWin32Attribute(FileAttributes.Compressed),
Device = GetWin32Attribute(FileAttributes.Device),
Encrypted = GetWin32Attribute(FileAttributes.Encrypted),
NotContentIndexed = GetWin32Attribute(FileAttributes.NotContentIndexed),
Offline = GetWin32Attribute(FileAttributes.Offline),
System = GetWin32Attribute(FileAttributes.System),
Hidden = GetWin32Attribute(FileAttributes.Hidden),
IntegrityStream = GetWin32Attribute(FileAttributes.IntegrityStream),
NoScrubData = GetWin32Attribute(FileAttributes.NoScrubData),
Normal = GetWin32Attribute(FileAttributes.Normal),
ReadOnly = GetWin32Attribute(FileAttributes.ReadOnly),
ReparsePoint = GetWin32Attribute(FileAttributes.ReparsePoint),
SparseFile = GetWin32Attribute(FileAttributes.SparseFile),
Temporary = GetWin32Attribute(FileAttributes.Temporary),
ObjectGuid = pk_FileId
};
return(fileinfo);
}
/// <summary>
/// Retrieves all the Child Folders for the folder
/// </summary>
/// <param name="context"></param>
/// <param name="Key"></param>
/// <param name="p"></param>
/// <param name="ReadOnly"></param>
/// <returns></returns>
public static List <Folder> GetChildFolders(this OnlineFilesEntities context, Guid?Key, Principal p, bool ReadOnly = false)
{
List <Folder> found = new List <Folder>();
bool createdContext = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
try
{
DbQuery <Folder> source = ReadOnly ? context.Folders.AsNoTracking() : context.Folders;
if (Key == new Guid())
{
found = source.Where(d => d.fk_ParentFolderId == Key && !(d.IsDeleted) &&
(d.OwnerId == p.UserProfile.SecurityObjectId)).ToList();
}
else
{
found = source.Where(d => d.fk_ParentFolderId == Key && !(d.IsDeleted) &&
(d.OwnerId == p.UserProfile.SecurityObjectId ||
d.FolderSecurities.Any(x => x.canListObjects && p.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId))
)).ToList();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
finally
{
if (createdContext)
{
context.Dispose();
context = null;
}
}
return(found);
}
/// <summary>
/// Checks to see if the file is checked out by anyone
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static bool IsCheckedOut(this File file)
{
using (var context = new OnlineFilesEntities())
{
List <SpDoAnyChildrenHaveLocksResult> cellData =
context.Database.SqlQuery <SpDoAnyChildrenHaveLocksResult>($"dbo.sp_DoAnyChildrenHaveLocks '{file.pk_FileId}'").ToList();
if (cellData.Any())
{
if (cellData[0].Exists)
{
return(true);
}
}
else
{
throw new WebDavNotFoundException("Shouldn't get here.");
}
}
return(false);
}
public static void RestoreFolderHere(this Folder destination, Guid folderId, string destinationName, Principal user)
{
using (var context = new OnlineFilesEntities())
{
var destSecurity = context.FolderSecurities.Where(d => d.fk_FolderId == destination.pk_FolderId);
//Can the user create folders at the destination location?
if (destSecurity.Any(d => d.canCreateFolders && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
Folder folderToRestore = context.Folders.Include(d => d.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == folderId);
if (folderToRestore == null)
{
throw new Exception("Cannot restore a non existant folder");
}
Folder parentToFolderToMove = context.Folders.Include(x => x.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == folderToRestore.fk_ParentFolderId);
if (parentToFolderToMove == null)
{
throw new Exception("No parent to folder being moved.");
}
//Does the user have delete permission in the folder the item is comming from?
if (parentToFolderToMove.FolderSecurities.Any(d => user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId) && d.canDelete))
{
folderToRestore.RestoreDeleted(PrincipleFactory.Instance.GetPrinciple().UserProfile);
folderToRestore.Name = destination.CheckFolderName(destinationName, context);
folderToRestore.fk_ParentFolderId = destination.pk_FolderId;
context.SaveChanges();
}
else
{
throw new SecurityException("Not Authorized.");
}
}
else
{
throw new SecurityException("Not Authorized.");
}
}
}
/// <summary>
/// Gets all the files in a folder
/// </summary>
/// <param name="context"></param>
/// <param name="folder"></param>
/// <param name="p"></param>
/// <param name="readOnly"></param>
/// <returns></returns>
public static List <File> GetChildFiles(this OnlineFilesEntities context, Folder folder, Principal p, bool readOnly = false)
{
return(GetChildFiles(context, folder.pk_FolderId, p, readOnly));
}
/// <summary>
/// Set the permission on a file for the target User.
/// </summary>
/// <param name="fileId"></param>
/// <param name="user"></param>
/// <param name="targetUser"></param>
/// <param name="canRead"></param>
/// <param name="canWrite"></param>
/// <param name="canDelete"></param>
/// <param name="context"></param>
/// <param name="dbcxtransaction"></param>
public static void SetPermissions(Guid fileId, Principal user, Principal targetUser, bool canRead, bool canWrite, bool canDelete, OnlineFilesEntities context = null, DbContextTransaction dbcxtransaction = null)
{
bool createdContext = false;
bool createdTransaction = false;
bool didRollback = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
if (dbcxtransaction == null)
{
dbcxtransaction = context.Database.BeginTransaction();
createdTransaction = true;
}
try
{
File targetfile = context.Files
.Include(d => d.FileSecurities)
.FirstOrDefault(d => d.pk_FileId == fileId);
if (targetfile == null)
{
throw new Exception("File does not exist.");
}
Folder target = context.Folders.Include(d => d.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == targetfile.fk_FolderId);
if (target == null)
{
throw new Exception("Parent Folder does not exist.");
}
//Can the user Change Permissions
if (target.FolderSecurities.Any(d => d.canChangePermissions && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
var secRecord = targetfile.FileSecurities.FirstOrDefault(d => d.SecurityObjectId == targetUser.UserProfile.SecurityObjectId);
if (secRecord == null)
{
secRecord = new FileSecurity
{
fk_FileId = targetfile.pk_FileId,
CanDelete = canDelete,
canRead = canRead,
canWrite = canWrite,
SecurityObjectId = targetUser.UserProfile.SecurityObjectId
};
targetfile.FileSecurities.Add(secRecord);
}
else
{
secRecord.canRead = canRead;
secRecord.CanDelete = canDelete;
secRecord.canWrite = canWrite;
}
context.SaveChanges();
}
else
{
throw new SecurityException("Not Authorized.");
}
}
catch (Exception)
{
if (!createdTransaction)
{
throw;
}
didRollback = true;
dbcxtransaction.Rollback();
throw;
}
finally
{
if (createdTransaction)
{
if (!didRollback)
{
dbcxtransaction.Commit();
}
dbcxtransaction.Dispose();
}
if (createdContext)
{
context.Dispose();
}
}
}
/// <summary>
/// Creates a new File Object.
/// </summary>
/// <param name="folderId"></param>
/// <param name="name"></param>
/// <param name="createdBy"></param>
/// <param name="inheritSecurity"></param>
/// <returns></returns>
public static File Create(Guid?folderId, string name, SecurityObject createdBy, bool inheritSecurity = true)
{
using (var context = new OnlineFilesEntities())
{
if (folderId == null)
{
throw new Exception("Bad Guid.");
}
var folder = context.Folders
.Include(x => x.FolderSecurities)
.FirstOrDefault(d => d.pk_FolderId == folderId);
if (folder == null)
{
throw new Exception("Folder Not Found.");
}
if (!folder.FolderSecurities.Any(x => createdBy.mySecurityGroups.Contains(x.SecurityObjectId) && x.canCreateFiles))
{
throw new SecurityException("No Access.");
}
var file = new File
{
fk_FolderId = (Guid)folderId,
IsDeleted = false,
isRevisioned = true,
Name = name,
MimeType = MimeMapping.GetMimeMapping(name),
CreatedById = createdBy.SecurityObjectId,
CreateDt = DateTime.Now,
OwnerId = createdBy.SecurityObjectId
};
context.Files.Add(file);
context.SaveChanges();
FileSecurity fileSecurity = new FileSecurity
{
CanDelete = true,
canRead = true,
canWrite = true,
fk_FileId = file.pk_FileId,
SecurityObjectId = createdBy.SecurityObjectId
};
context.FileSecurities.Add(fileSecurity);
context.SaveChanges();
foreach (FolderSecurity security in folder.FolderSecurities)
{
fileSecurity = context.FileSecurities.FirstOrDefault(d => d.SecurityObjectId == security.SecurityObjectId && d.fk_FileId == file.pk_FileId);
if (fileSecurity == null)
{
fileSecurity = new FileSecurity
{
CanDelete = security.canDelete,
canRead = security.canListObjects,
canWrite = security.canCreateFiles,
fk_FileId = file.pk_FileId,
SecurityObjectId = security.SecurityObjectId
};
context.FileSecurities.Add(fileSecurity);
}
else
{
fileSecurity.CanDelete = security.canDelete;
fileSecurity.canRead = security.canListObjects;
fileSecurity.canWrite = security.canCreateFiles;
}
}
context.SaveChanges();
return(file);
}
}
/// <summary>
/// Copies the folderId to this Folder
/// </summary>
/// <param name="destination"></param>
/// <param name="folderId"></param>
/// <param name="destinationName"></param>
/// <param name="user"></param>
/// <param name="context"></param>
/// <param name="recursive"></param>
/// <param name="dbcxtransaction"></param>
public static void CopyFolderHere(this Folder destination, Guid folderId, string destinationName, Principal user, OnlineFilesEntities context = null, bool recursive = true, DbContextTransaction dbcxtransaction = null)
{
bool createdContext = false;
bool createdTransaction = false;
bool didRollback = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
if (dbcxtransaction == null)
{
dbcxtransaction = context.Database.BeginTransaction();
createdTransaction = true;
}
try
{
var destSecurity = context.FolderSecurities.Where(d => d.fk_FolderId == destination.pk_FolderId);
//Can the user create folders at the destination location?
if (destSecurity.Any(d => d.canCreateFolders && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
Folder folderToMove = context.Folders.Include(d => d.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == folderId);
if (folderToMove == null)
{
throw new Exception("Cannot move a non existant folder");
}
Folder parentToFolderToMove = context.Folders.Include(x => x.FolderSecurities).FirstOrDefault(d => d.pk_FolderId == folderToMove.fk_ParentFolderId);
if (parentToFolderToMove == null)
{
throw new Exception("No parent to folder being moved.");
}
//Does the user have read permission in the folder the item is comming from?
if (parentToFolderToMove.FolderSecurities.Any(d => user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId) && d.canListObjects))
{
Folder newFolder = Folder.Create(destinationName, destination.pk_FolderId, user.UserProfile, true);
context.SaveChanges();
if (recursive)
{
//Get all the files that are in the folder being copied.
var files = context.Files.Where(d => d.fk_FolderId == folderToMove.pk_FolderId);
foreach (File file in files)
{
newFolder.CopyFileHere(file.pk_FileId, file.Name, user, context, dbcxtransaction);
}
//Get all the folders inside the folder we are moving.
var folders = context.Folders.Where(d => d.fk_ParentFolderId == folderToMove.pk_FolderId);
//Copy the folders to the new location
foreach (var folder in folders)
{
newFolder.CopyFolderHere(folder.pk_FolderId, folder.Name, user, context, recursive, dbcxtransaction);
}
}
context.SaveChanges();
}
else
{
throw new SecurityException("Not Authorized.");
}
}
else
{
throw new SecurityException("Not Authorized.");
}
}
catch (Exception)
{
if (createdTransaction)
{
didRollback = true;
dbcxtransaction.Rollback();
}
throw;
}
finally
{
if (createdTransaction)
{
if (!didRollback)
{
dbcxtransaction.Commit();
}
dbcxtransaction.Dispose();
}
if (createdContext)
{
context.Dispose();
}
}
}
/// <summary>
/// Copies the fileId to this Folder.
/// </summary>
/// <param name="destination"></param>
/// <param name="fileId"></param>
/// <param name="destinationName"></param>
/// <param name="user"></param>
/// <param name="context"></param>
/// <param name="dbcxtransaction"></param>
public static void CopyFileHere(this Folder destination, Guid fileId, string destinationName, Principal user, OnlineFilesEntities context = null, DbContextTransaction dbcxtransaction = null)
{
bool createdContext = false;
bool createdTransaction = false;
bool didRollback = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
if (dbcxtransaction == null)
{
dbcxtransaction = context.Database.BeginTransaction();
createdTransaction = true;
}
try
{
var destSecurity = context.FolderSecurities.Where(d => d.fk_FolderId == destination.pk_FolderId);
//Can the user create files at the destination location?
if (destSecurity.Any(d => d.canCreateFiles && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
var file = context.Files
.Include(x => x.FileSecurities)
.Include(x => x.FileDatas)
.FirstOrDefault(d => d.pk_FileId == fileId);
//Can the user Read the file to be copied?
if (file.FileSecurities.Any(f => user.UserProfile.mySecurityGroups.Contains(f.SecurityObjectId) && f.canRead))
{
File newFile = File.Create(destination.pk_FolderId, file.Name, user.UserProfile, true);
context.SaveChanges();
//Copy the file data
using (Stream s = file.OpenReadStream(user))
using (Stream d = newFile.OpenWriteStream(user))
s.CopyTo(d);
//Copy the file Security
foreach (FileSecurity security in file.FileSecurities)
{
FileSecurity nsec = context.FileSecurities.FirstOrDefault(d => d.fk_FileId == newFile.pk_FileId && d.SecurityObjectId == security.SecurityObjectId);
if (nsec == null)
{
nsec = new FileSecurity()
{
canRead = security.canRead,
canWrite = security.canWrite,
CanDelete = security.CanDelete,
fk_FileId = newFile.pk_FileId,
SecurityObjectId = security.SecurityObjectId
};
context.FileSecurities.Add(nsec);
}
else
{
nsec.canRead = nsec.canRead || security.canRead;
nsec.CanDelete = nsec.CanDelete || security.CanDelete;
nsec.canWrite = nsec.canWrite || security.canWrite;
}
}
context.SaveChanges();
}
else
{
throw new SecurityException("Not Authorized.");
}
}
else
{
throw new SecurityException("Not Authorized.");
}
}
catch (Exception)
{
//If we got an error and we created the transaction, roll it back.
if (createdTransaction)
{
dbcxtransaction.Rollback();
didRollback = true;
}
throw;
}
finally
{
if (createdTransaction)
{
//If we didn't roll back the transaction, commit it.
if (!didRollback)
{
dbcxtransaction.Commit();
}
dbcxtransaction.Dispose();
}
if (createdContext)
{
context.Dispose();
}
}
}
/// <summary>
/// Validates that the file name is valid.
/// </summary>
/// <param name="parent"></param>
/// <param name="filename"></param>
/// <param name="context"></param>
/// <returns></returns>
public static string CheckFileName(this Folder parent, string filename, OnlineFilesEntities context = null)
{
return(filename);
}
/// <summary>
/// Opens a WRITE stream to the file.
/// </summary>
/// <param name="user"></param>
/// <param name="itemPath"></param>
/// <param name="webDavSqlStoreDocumentFactoryInstance"></param>
/// <returns></returns>
public Stream OpenWriteStream(Principal user, string itemPath = null, object webDavSqlStoreDocumentFactoryInstance = null)
{
using (var context = new OnlineFilesEntities())
{
if (!(context.FileSecurities.Where(d => d.fk_FileId == pk_FileId).ToList().Any(x => user.UserProfile.mySecurityGroups.Contains(x.SecurityObjectId) && x.canWrite)))
{
throw new SecurityException("Not Authorized.");
}
int revision = 0;
FileData fd = context.FileDatas.Include(x => x.Catalog).Where(d => d.fk_FileId == pk_FileId).OrderByDescending(d => d.Revision).FirstOrDefault();
if (fd != null)
{
revision = fd.Revision;
}
revision++;
Catalog catalog;
if (fd == null || fd.Catalog.fk_CatalogStatusId != CatalogStatus.Open)
{
Folder f = context.Folders.FirstOrDefault(d => d.pk_FolderId == fk_FolderId);
if (f == null)
{
throw new Exception("Null ptr");
}
CatalogCollection t = context.CatalogCollections.Include(d => d.Catalogs).FirstOrDefault(d => d.pk_CatalogCollectionId == f.fk_CatalogCollectionId);
if (t == null)
{
throw new Exception("Cat col is null");
}
catalog = t.Catalogs.FirstOrDefault(d => d.fk_CatalogStatusId == CatalogStatus.Open);
if (catalog == null)
{
throw new Exception("No Catalog Available.");
}
}
else
{
catalog = fd.Catalog;
}
if (catalog == null)
{
throw new Exception("No Catalog Available for file.");
}
using (var ctx = new OnlineFiles_CatalogEntities(catalog.EntityConnectionString))
{
FileCatalogEntry fce = new FileCatalogEntry
{
binaryData = _emptyBytes.ToArray()
};
ctx.FileCatalogEntries.Add(fce);
ctx.SaveChanges();
FileData filedata = new FileData
{
fk_FileId = pk_FileId,
Revision = revision,
Size = 0,
CreateDt = DateTime.Now,
fk_CatalogId = catalog.pk_CatalogId,
fk_ContentId = fce.pk_FileCatalogEntryId
};
context.FileDatas.Add(filedata);
context.SaveChanges();
Stream stream = new SqlStoreFileStream
{
CatalogId = catalog.pk_CatalogId,
FileCatalogEntryId = fce.pk_FileCatalogEntryId,
Path = itemPath,
FileDataId = filedata.pk_FileDataId,
WebDavSqlStoreDocumentFactoryInstance = webDavSqlStoreDocumentFactoryInstance
};
return(stream);
}
}
}
/// <summary>
/// Creates a new Folder object.
/// </summary>
/// <param name="name"></param>
/// <param name="parentFolderGuid"></param>
/// <param name="createdBy"></param>
/// <param name="inheritSecurity"></param>
/// <param name="isSystemCreate"></param>
/// <returns></returns>
public static Folder Create(string name, Guid?parentFolderGuid, SecurityObject createdBy, bool inheritSecurity = true, bool isSystemCreate = false)
{
using (var context = new OnlineFilesEntities())
{
//Get Folder object for parent folder
Folder parentFolder = context.Folders
.Include(x => x.CatalogCollection)
.Include(x => x.FolderSecurities)
.FirstOrDefault(d => d.pk_FolderId == parentFolderGuid);
if (!isSystemCreate)
{
if (!(parentFolder.FolderSecurities.Any(x => createdBy.mySecurityGroups.Contains(x.SecurityObjectId) && x.canCreateFolders)))
{
throw new SecurityException("Not Authorized.");
}
}
//Check Name
name = parentFolder.CheckFolderName(name);
//If Parent Folder is null, throw exception
if (parentFolder == null)
{
throw new Exception("Folder is null");
}
//Create Folder
Folder f = new Folder
{
fk_ParentFolderId = parentFolderGuid,
Name = name,
CreateDt = DateTime.Now,
fk_CatalogCollectionId = parentFolder.fk_CatalogCollectionId,
Win32FileAttribute = (int)FileAttributes.Directory,
IsDeleted = false,
DeletedDt = null,
DeletedBy = null,
OwnerId = createdBy.SecurityObjectId,
CreatedById = createdBy.SecurityObjectId
};
try
{
context.Folders.Add(f);
context.SaveChanges();
var pfs = new FolderSecurity()
{
canDelete = true,
canListObjects = true,
canCreateFiles = true,
canCreateFolders = true,
canChangePermissions = true,
fk_FolderId = f.pk_FolderId,
SecurityObjectId = createdBy.SecurityObjectId
};
context.SaveChanges();
if (inheritSecurity)
{
foreach (FolderSecurity fs in parentFolder.FolderSecurities)
{
FolderSecurity folderSecurity = new FolderSecurity()
{
SecurityObjectId = fs.SecurityObjectId,
fk_FolderId = f.pk_FolderId,
canCreateFolders = fs.canCreateFolders,
canDelete = fs.canDelete,
canChangePermissions = fs.canChangePermissions,
canCreateFiles = fs.canCreateFiles,
canListObjects = fs.canListObjects
};
context.FolderSecurities.Add(folderSecurity);
}
context.SaveChanges();
FolderSecurity us = context.FolderSecurities.FirstOrDefault(d => d.fk_FolderId == f.pk_FolderId && d.SecurityObjectId == createdBy.SecurityObjectId);
if (us == null)
{
us = new FolderSecurity()
{
canListObjects = true,
canChangePermissions = true,
canCreateFiles = true,
canCreateFolders = true,
canDelete = true,
fk_FolderId = f.pk_FolderId,
SecurityObjectId = createdBy.SecurityObjectId
};
context.FolderSecurities.Add(us);
}
else
{
us.canListObjects = true;
us.canChangePermissions = true;
us.canCreateFolders = true;
us.canCreateFiles = true;
us.canDelete = true;
}
context.SaveChanges();
}
}
catch (Exception ex)
{
throw new Exception("Unable to create new folder.", ex);
}
return(f);
}
}
/// <summary>
/// Will set the permissions for the targetUser, use recursive if you want it to propagate to child file and folders.
/// context & dbcxtransaction should be null.
/// </summary>
/// <param name="FolderId"></param>
/// <param name="user"></param>
/// <param name="targetUser"></param>
/// <param name="canListObjects"></param>
/// <param name="canCreateFiles"></param>
/// <param name="canCreateFolders"></param>
/// <param name="canDelete"></param>
/// <param name="canChangePermissions"></param>
/// <param name="recursive"></param>
/// <param name="context"></param>
/// <param name="dbcxtransaction"></param>
public static void SetPermissions(Guid FolderId, Principal user, Principal targetUser, bool canListObjects, bool canCreateFiles, bool canCreateFolders, bool canDelete, bool canChangePermissions, bool recursive = false, OnlineFilesEntities context = null, DbContextTransaction dbcxtransaction = null)
{
bool createdContext = false;
bool createdTransaction = false;
bool didRollback = false;
if (context == null)
{
createdContext = true;
context = new OnlineFilesEntities();
}
if (dbcxtransaction == null)
{
dbcxtransaction = context.Database.BeginTransaction();
createdTransaction = true;
}
try
{
Folder target = context.Folders
.Include(d => d.FolderSecurities)
.FirstOrDefault(d => d.pk_FolderId == FolderId);
//Can the user Change Permissions
if (target.FolderSecurities.Any(d => d.canChangePermissions && user.UserProfile.mySecurityGroups.Contains(d.SecurityObjectId)))
{
var secRecord = target.FolderSecurities.FirstOrDefault(d => d.SecurityObjectId == targetUser.UserProfile.SecurityObjectId);
if (secRecord == null)
{
secRecord = new FolderSecurity()
{
SecurityObjectId = targetUser.UserProfile.SecurityObjectId,
canChangePermissions = canChangePermissions,
canListObjects = canListObjects,
canCreateFolders = canCreateFolders,
canCreateFiles = canCreateFiles,
canDelete = canDelete,
fk_FolderId = target.pk_FolderId
};
target.FolderSecurities.Add(secRecord);
}
else
{
secRecord.canListObjects = canListObjects;
secRecord.canChangePermissions = canChangePermissions;
secRecord.canCreateFiles = canCreateFiles;
secRecord.canCreateFolders = canCreateFolders;
secRecord.canDelete = canDelete;
}
foreach (File source in context.Files.Where(d => d.fk_FolderId == target.pk_FolderId))
{
File.SetPermissions(source.pk_FileId, user, targetUser, canListObjects, canCreateFiles, canDelete, context, dbcxtransaction);
}
context.SaveChanges();
if (recursive)
{
foreach (Folder folder in context.Folders.Where(d => d.fk_ParentFolderId == target.pk_FolderId))
{
SetPermissions(folder.pk_FolderId, user, targetUser, canListObjects, canCreateFiles, canCreateFolders, canDelete, canChangePermissions, recursive, context, dbcxtransaction);
}
}
}
else
{
throw new SecurityException("Not Authorized.");
}
}
catch (Exception)
{
if (createdTransaction)
{
didRollback = true;
dbcxtransaction.Rollback();
}
throw;
}
finally
{
if (createdTransaction)
{
if (!didRollback)
{
dbcxtransaction.Commit();
}
dbcxtransaction.Dispose();
}
if (createdContext)
{
context.Dispose();
}
}
}
