private List <Tuple <FileEntry <T>, bool> > Can <T>(IEnumerable <FileEntry <T> > entry, Guid userId, FilesSecurityActions action)
{
var filtres = Filter(entry, action, userId);
return(entry.Select(r => new Tuple <FileEntry <T>, bool>(r, filtres.Any(a => a.ID.Equals(r.ID)))).ToList());
}
private IEnumerable <FileEntry <T> > Filter <T>(IEnumerable <FileEntry <T> > entries, FilesSecurityActions action, Guid userId)
{
if (entries == null || !entries.Any())
{
return(Enumerable.Empty <FileEntry <T> >());
}
var user = UserManager.GetUsers(userId);
var isOutsider = user.IsOutsider(UserManager);
if (isOutsider && action != FilesSecurityActions.Read)
{
return(Enumerable.Empty <FileEntry <T> >());
}
entries = entries.Where(f => f != null).ToList();
var result = new List <FileEntry <T> >(entries.Count());
// save entries order
var order = entries.Select((f, i) => new { Id = f.UniqID, Pos = i }).ToDictionary(e => e.Id, e => e.Pos);
// common or my files
Func <FileEntry <T>, bool> filter =
f => f.RootFolderType == FolderType.COMMON ||
f.RootFolderType == FolderType.USER ||
f.RootFolderType == FolderType.SHARE ||
f.RootFolderType == FolderType.Recent ||
f.RootFolderType == FolderType.Favorites ||
f.RootFolderType == FolderType.Templates ||
f.RootFolderType == FolderType.Privacy ||
f.RootFolderType == FolderType.Projects;
var isVisitor = user.IsVisitor(UserManager);
if (entries.Any(filter))
{
var subjects = GetUserSubjects(userId);
List <FileShareRecord> shares = null;
foreach (var e in entries.Where(filter))
{
if (!AuthManager.GetAccountByID(TenantManager.GetCurrentTenant().TenantId, userId).IsAuthenticated&& userId != FileConstant.ShareLinkId)
{
continue;
}
if (isOutsider && (e.RootFolderType == FolderType.USER ||
e.RootFolderType == FolderType.SHARE ||
e.RootFolderType == FolderType.Privacy))
{
continue;
}
if (isVisitor && e.RootFolderType == FolderType.Recent)
{
continue;
}
if (isVisitor && e.RootFolderType == FolderType.Favorites)
{
continue;
}
if (isVisitor && e.RootFolderType == FolderType.Templates)
{
continue;
}
if (isVisitor && e.RootFolderType == FolderType.Privacy)
{
continue;
}
if (action != FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder && ((Folder <T>)e).FolderType == FolderType.Projects)
{
// Root Projects folder read-only
continue;
}
if (action != FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder && ((Folder <T>)e).FolderType == FolderType.SHARE)
{
// Root Share folder read-only
continue;
}
if (action != FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder && ((Folder <T>)e).FolderType == FolderType.Recent)
{
// Recent folder read-only
continue;
}
if (action != FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder && ((Folder <T>)e).FolderType == FolderType.Favorites)
{
// Favorites folder read-only
continue;
}
if (action != FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder && ((Folder <T>)e).FolderType == FolderType.Templates)
{
// Templates folder read-only
continue;
}
if (isVisitor && e.ProviderEntry)
{
continue;
}
if (e.RootFolderType == FolderType.USER && e.RootFolderCreator == userId && !isVisitor)
{
// user has all right in his folder
result.Add(e);
continue;
}
if (e.RootFolderType == FolderType.Privacy && e.RootFolderCreator == userId && !isVisitor)
{
// user has all right in his privacy folder
result.Add(e);
continue;
}
if (DefaultCommonShare == FileShare.Read && action == FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder &&
((Folder <T>)e).FolderType == FolderType.COMMON)
{
// all can read Common folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder &&
((Folder <T>)e).FolderType == FolderType.SHARE)
{
// all can read Share folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder &&
((Folder <T>)e).FolderType == FolderType.Recent)
{
// all can read recent folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder &&
((Folder <T>)e).FolderType == FolderType.Favorites)
{
// all can read favorites folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e.FileEntryType == FileEntryType.Folder &&
((Folder <T>)e).FolderType == FolderType.Templates)
{
// all can read templates folder
result.Add(e);
continue;
}
if (e.RootFolderType == FolderType.COMMON && FileSecurityCommon.IsAdministrator(userId))
{
// administrator in Common has all right
result.Add(e);
continue;
}
if (shares == null)
{
shares = GetShares(entries).Join(subjects, r => r.Subject, s => s, (r, s) => r).ToList();
// shares ordered by level
}
FileShareRecord ace;
if (e.FileEntryType == FileEntryType.File)
{
ace = shares
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenByDescending(r => r.Share, new FileShareRecord.ShareComparer())
.FirstOrDefault(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.File);
if (ace == null)
{
// share on parent folders
ace = shares.Where(r => Equals(r.EntryId, ((File <T>)e).FolderID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share, new FileShareRecord.ShareComparer())
.FirstOrDefault();
}
}
else
{
ace = shares.Where(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share, new FileShareRecord.ShareComparer())
.FirstOrDefault();
}
var defaultShare = e.RootFolderType == FolderType.USER
? DefaultMyShare
: e.RootFolderType == FolderType.Privacy
? DefaultPrivacyShare
: DefaultCommonShare;
e.Access = ace != null
? ace.Share
: userId == FileConstant.ShareLinkId
? FileShare.Restrict
: defaultShare;
if (action == FilesSecurityActions.Read && e.Access != FileShare.Restrict)
{
result.Add(e);
}
else if (action == FilesSecurityActions.Comment && (e.Access == FileShare.Comment || e.Access == FileShare.Review || e.Access == FileShare.CustomFilter || e.Access == FileShare.ReadWrite))
{
result.Add(e);
}
else if (action == FilesSecurityActions.FillForms && (e.Access == FileShare.FillForms || e.Access == FileShare.Review || e.Access == FileShare.ReadWrite))
{
result.Add(e);
}
else if (action == FilesSecurityActions.Review && (e.Access == FileShare.Review || e.Access == FileShare.ReadWrite))
{
result.Add(e);
}
else if (action == FilesSecurityActions.CustomFilter && (e.Access == FileShare.CustomFilter || e.Access == FileShare.ReadWrite))
{
result.Add(e);
}
else if (action == FilesSecurityActions.Edit && e.Access == FileShare.ReadWrite)
{
result.Add(e);
}
else if (action == FilesSecurityActions.Create && e.Access == FileShare.ReadWrite)
{
result.Add(e);
}
else if (e.Access != FileShare.Restrict && e.CreateBy == userId && (e.FileEntryType == FileEntryType.File || ((Folder <T>)e).FolderType != FolderType.COMMON))
{
result.Add(e);
}
if (e.CreateBy == userId)
{
e.Access = FileShare.None; //HACK: for client
}
}
}
// files in bunch
filter = f => f.RootFolderType == FolderType.BUNCH;
if (entries.Any(filter))
{
var folderDao = daoFactory.GetFolderDao <T>();
var filteredEntries = entries.Where(filter).ToList();
var roots = filteredEntries
.Select(r => r.RootFolderId)
.ToArray();
var rootsFolders = folderDao.GetFolders(roots);
var bunches = folderDao.GetBunchObjectIDs(rootsFolders.Select(r => r.ID).ToList());
var findedAdapters = FilesIntegration.GetFileSecurity(bunches);
foreach (var e in filteredEntries)
{
var adapter = findedAdapters[e.RootFolderId.ToString()];
if (adapter == null)
{
continue;
}
if (adapter.CanRead(e, userId) &&
adapter.CanCreate(e, userId) &&
adapter.CanEdit(e, userId) &&
adapter.CanDelete(e, userId))
{
e.Access = FileShare.None;
result.Add(e);
}
else if (action == FilesSecurityActions.Comment && adapter.CanComment(e, userId))
{
e.Access = FileShare.Comment;
result.Add(e);
}
else if (action == FilesSecurityActions.FillForms && adapter.CanFillForms(e, userId))
{
e.Access = FileShare.FillForms;
result.Add(e);
}
else if (action == FilesSecurityActions.Review && adapter.CanReview(e, userId))
{
e.Access = FileShare.Review;
result.Add(e);
}
else if (action == FilesSecurityActions.CustomFilter && adapter.CanCustomFilterEdit(e, userId))
{
e.Access = FileShare.CustomFilter;
result.Add(e);
}
else if (action == FilesSecurityActions.Create && adapter.CanCreate(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
else if (action == FilesSecurityActions.Delete && adapter.CanDelete(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
else if (action == FilesSecurityActions.Read && adapter.CanRead(e, userId))
{
if (adapter.CanCreate(e, userId) ||
adapter.CanDelete(e, userId) ||
adapter.CanEdit(e, userId))
{
e.Access = FileShare.ReadWrite;
}
else
{
e.Access = FileShare.Read;
}
result.Add(e);
}
else if (action == FilesSecurityActions.Edit && adapter.CanEdit(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
}
}
// files in trash
filter = f => f.RootFolderType == FolderType.TRASH;
if ((action == FilesSecurityActions.Read || action == FilesSecurityActions.Delete) && entries.Any(filter))
{
var folderDao = daoFactory.GetFolderDao <T>();
var mytrashId = folderDao.GetFolderIDTrash(false, userId);
if (!Equals(mytrashId, 0))
{
result.AddRange(entries.Where(filter).Where(e => Equals(e.RootFolderId, mytrashId)));
}
}
if (FileSecurityCommon.IsAdministrator(userId))
{
// administrator can work with crashed entries (crash in files_folder_tree)
filter = f => f.RootFolderType == FolderType.DEFAULT;
result.AddRange(entries.Where(filter));
}
// restore entries order
result.Sort((x, y) => order[x.UniqID].CompareTo(order[y.UniqID]));
return(result);
}
private IEnumerable <Guid> WhoCan <T>(FileEntry <T> entry, FilesSecurityActions action)
{
var shares = GetShares(entry);
FileShareRecord defaultShareRecord;
switch (entry.RootFolderType)
{
case FolderType.COMMON:
defaultShareRecord = new FileShareRecord
{
Level = int.MaxValue,
EntryId = entry.ID,
EntryType = entry.FileEntryType,
Share = DefaultCommonShare,
Subject = Constants.GroupEveryone.ID,
Tenant = TenantManager.GetCurrentTenant().TenantId,
Owner = AuthContext.CurrentAccount.ID
};
if (!shares.Any())
{
if ((defaultShareRecord.Share == FileShare.Read && action == FilesSecurityActions.Read) ||
(defaultShareRecord.Share == FileShare.ReadWrite))
{
return(UserManager.GetUsersByGroup(defaultShareRecord.Subject)
.Where(x => x.Status == EmployeeStatus.Active).Select(y => y.ID).Distinct());
}
return(Enumerable.Empty <Guid>());
}
break;
case FolderType.USER:
defaultShareRecord = new FileShareRecord
{
Level = int.MaxValue,
EntryId = entry.ID,
EntryType = entry.FileEntryType,
Share = DefaultMyShare,
Subject = entry.RootFolderCreator,
Tenant = TenantManager.GetCurrentTenant().TenantId,
Owner = entry.RootFolderCreator
};
if (!shares.Any())
{
return new List <Guid>
{
entry.RootFolderCreator
}
}
;
break;
case FolderType.Privacy:
defaultShareRecord = new FileShareRecord
{
Level = int.MaxValue,
EntryId = entry.ID,
EntryType = entry.FileEntryType,
Share = DefaultPrivacyShare,
Subject = entry.RootFolderCreator,
Tenant = TenantManager.GetCurrentTenant().TenantId,
Owner = entry.RootFolderCreator
};
if (!shares.Any())
{
return new List <Guid>
{
entry.RootFolderCreator
}
}
;
break;
case FolderType.BUNCH:
if (action == FilesSecurityActions.Read)
{
var folderDao = daoFactory.GetFolderDao <T>();
var root = folderDao.GetFolder(entry.RootFolderId);
if (root != null)
{
var path = folderDao.GetBunchObjectID(root.ID);
var adapter = FilesIntegration.GetFileSecurity(path);
if (adapter != null)
{
return(adapter.WhoCanRead(entry));
}
}
}
// TODO: For Projects and other
defaultShareRecord = null;
break;
default:
defaultShareRecord = null;
break;
}
if (defaultShareRecord != null)
{
shares = shares.Concat(new[] { defaultShareRecord });
}
return(shares.SelectMany(x =>
{
var groupInfo = UserManager.GetGroupInfo(x.Subject);
if (groupInfo.ID != Constants.LostGroupInfo.ID)
{
return
UserManager.GetUsersByGroup(groupInfo.ID)
.Where(p => p.Status == EmployeeStatus.Active)
.Select(y => y.ID);
}
return new[] { x.Subject };
})
.Distinct()
.Where(x => Can(entry, x, action))
.ToList());
}
private bool Can <T>(FileEntry <T> entry, Guid userId, FilesSecurityActions action)
{
return(Filter(new[] { entry }, action, userId).Any());
}
private bool Can(FileEntry entry, Guid userId, FilesSecurityActions action, IEnumerable <FileShareRecord> shares = null)
{
return(Filter(new[] { entry }, action, userId, shares).Any());
}
private IEnumerable <FileEntry> Filter(IEnumerable <FileEntry> entries, FilesSecurityActions action, Guid userId)
{
if (entries == null || !entries.Any())
{
return(Enumerable.Empty <FileEntry>());
}
var user = CoreContext.UserManager.GetUsers(userId);
var isOutsider = user.IsOutsider();
if (isOutsider && action != FilesSecurityActions.Read)
{
return(Enumerable.Empty <FileEntry>());
}
entries = entries.Where(f => f != null);
var result = new List <FileEntry>(entries.Count());
// save entries order
var order = entries.Select((f, i) => new { Id = f.UniqID, Pos = i }).ToDictionary(e => e.Id, e => e.Pos);
// common or my files
Func <FileEntry, bool> filter =
f => f.RootFolderType == FolderType.COMMON ||
f.RootFolderType == FolderType.USER ||
f.RootFolderType == FolderType.SHARE ||
f.RootFolderType == FolderType.Projects;
var isVisitor = user.IsVisitor();
if (entries.Any(filter))
{
var subjects = GetUserSubjects(userId);
List <FileShareRecord> shares = null;
foreach (var e in entries.Where(filter))
{
if (!CoreContext.Authentication.GetAccountByID(userId).IsAuthenticated&& userId != FileConstant.ShareLinkId)
{
continue;
}
if (isOutsider && (e.RootFolderType == FolderType.USER ||
e.RootFolderType == FolderType.SHARE ||
e.RootFolderType == FolderType.TRASH))
{
continue;
}
if (action != FilesSecurityActions.Read && e is Folder && ((Folder)e).FolderType == FolderType.Projects)
{
// Root Projects folder read-only
continue;
}
if (action != FilesSecurityActions.Read && e is Folder && ((Folder)e).FolderType == FolderType.SHARE)
{
// Root Share folder read-only
continue;
}
if (isVisitor && e.ProviderEntry)
{
continue;
}
if (e.RootFolderType == FolderType.USER && e.RootFolderCreator == userId && !isVisitor)
{
// user has all right in his folder
result.Add(e);
continue;
}
if (DefaultCommonShare == FileShare.Read && action == FilesSecurityActions.Read && e is Folder &&
((Folder)e).FolderType == FolderType.COMMON)
{
// all can read Common folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e is Folder &&
((Folder)e).FolderType == FolderType.SHARE)
{
// all can read Share folder
result.Add(e);
continue;
}
if (e.RootFolderType == FolderType.COMMON && IsAdministrator(userId))
{
// administrator in Common has all right
result.Add(e);
continue;
}
if (shares == null)
{
shares = GetShares(entries.ToArray()).Join(subjects, r => r.Subject, s => s, (r, s) => r).ToList();
// shares ordered by level
}
FileShareRecord ace;
if (e is File)
{
ace = shares
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenByDescending(r => r.Share)
.FirstOrDefault(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.File);
if (ace == null)
{
// share on parent folders
ace = shares.Where(r => Equals(r.EntryId, ((File)e).FolderID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share)
.FirstOrDefault();
}
}
else
{
ace = shares.Where(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => r, new SubjectComparer(subjects))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share)
.FirstOrDefault();
}
var defaultShare = e.RootFolderType == FolderType.USER ? DefaultMyShare : DefaultCommonShare;
e.Access = ace != null ? ace.Share : defaultShare;
if (action == FilesSecurityActions.Read && e.Access != FileShare.Restrict)
{
result.Add(e);
}
else if (action == FilesSecurityActions.Review && (e.Access == FileShare.Review || e.Access == FileShare.ReadWrite))
{
result.Add(e);
}
else if (action == FilesSecurityActions.Edit && e.Access == FileShare.ReadWrite)
{
result.Add(e);
}
else if (action == FilesSecurityActions.Create && e.Access == FileShare.ReadWrite)
{
result.Add(e);
}
else if (e.Access != FileShare.Restrict && e.CreateBy == userId && (e is File || ((Folder)e).FolderType != FolderType.COMMON))
{
result.Add(e);
}
if (e.CreateBy == userId)
{
e.Access = FileShare.None; //HACK: for client
}
}
}
// files in bunch
filter = f => f.RootFolderType == FolderType.BUNCH;
if (entries.Any(filter))
{
using (var folderDao = daoFactory.GetFolderDao())
{
var findedAdapters = new Dictionary <object, IFileSecurity>();
foreach (var e in entries.Where(filter))
{
IFileSecurity adapter = null;
if (!findedAdapters.ContainsKey(e.RootFolderId))
{
var root = folderDao.GetFolder(e.RootFolderId);
if (root != null)
{
var path = folderDao.GetBunchObjectID(root.ID);
adapter = FilesIntegration.GetFileSecurity(path);
}
findedAdapters[e.RootFolderId] = adapter;
}
adapter = findedAdapters[e.RootFolderId];
if (adapter == null)
{
continue;
}
if (adapter.CanRead(e, userId) &&
adapter.CanCreate(e, userId) &&
adapter.CanEdit(e, userId) &&
adapter.CanDelete(e, userId))
{
e.Access = FileShare.None;
result.Add(e);
}
else if (action == FilesSecurityActions.Create && adapter.CanCreate(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
else if (action == FilesSecurityActions.Delete && adapter.CanDelete(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
else if (action == FilesSecurityActions.Read && adapter.CanRead(e, userId))
{
if (adapter.CanCreate(e, userId) ||
adapter.CanDelete(e, userId) ||
adapter.CanEdit(e, userId))
{
e.Access = FileShare.ReadWrite;
}
else
{
e.Access = FileShare.Read;
}
result.Add(e);
}
else if (action == FilesSecurityActions.Edit && adapter.CanEdit(e, userId))
{
e.Access = FileShare.ReadWrite;
result.Add(e);
}
}
}
}
// files in trash
filter = f => f.RootFolderType == FolderType.TRASH;
if (entries.Any(filter))
{
using (var folderDao = daoFactory.GetFolderDao())
{
var mytrashId = folderDao.GetFolderID(FileConstant.ModuleId, "trash", userId.ToString(), false);
foreach (var e in entries.Where(filter))
{
// only in my trash
if (Equals(e.RootFolderId, mytrashId))
{
result.Add(e);
}
}
}
}
if (IsAdministrator(userId))
{
// administrator can work with crashed entries (crash in files_folder_tree)
filter = f => f.RootFolderType == FolderType.DEFAULT;
result.AddRange(entries.Where(filter));
}
// restore entries order
result.Sort((x, y) => order[x.UniqID].CompareTo(order[y.UniqID]));
return(result);
}
private IEnumerable <Guid> WhoCan(FileEntry fileEntry, FilesSecurityActions action)
{
var shares = GetShares(fileEntry);
FileShareRecord defaultShareRecord;
switch (fileEntry.RootFolderType)
{
case FolderType.COMMON:
defaultShareRecord = new FileShareRecord
{
Level = int.MaxValue,
EntryId = fileEntry.ID,
EntryType = fileEntry is File ? FileEntryType.File : FileEntryType.Folder,
Share = DefaultCommonShare,
Subject = Constants.GroupEveryone.ID,
Tenant = TenantProvider.CurrentTenantID,
Owner = SecurityContext.CurrentAccount.ID
};
if (!shares.Any())
{
if ((defaultShareRecord.Share == FileShare.Read && action == FilesSecurityActions.Read) ||
(defaultShareRecord.Share == FileShare.ReadWrite))
{
return(CoreContext.UserManager.GetUsersByGroup(defaultShareRecord.Subject)
.Where(x => x.Status == EmployeeStatus.Active).Select(y => y.ID).Distinct());
}
return(Enumerable.Empty <Guid>());
}
break;
case FolderType.USER:
defaultShareRecord = new FileShareRecord
{
Level = int.MaxValue,
EntryId = fileEntry.ID,
EntryType = fileEntry is File ? FileEntryType.File : FileEntryType.Folder,
Share = DefaultMyShare,
Subject = fileEntry.RootFolderCreator,
Tenant = TenantProvider.CurrentTenantID,
Owner = fileEntry.RootFolderCreator
};
if (!shares.Any())
{
return new List <Guid>
{
fileEntry.RootFolderCreator
}
}
;
break;
default:
defaultShareRecord = null;
break;
}
// TODO: For Projects and other
if (defaultShareRecord != null)
{
shares = shares.Concat(new[] { defaultShareRecord });
}
return(shares.SelectMany(x =>
{
var groupInfo = CoreContext.GroupManager.GetGroupInfo(x.Subject);
if (groupInfo.ID != Constants.LostGroupInfo.ID)
{
return
CoreContext.UserManager.GetUsersByGroup(groupInfo.ID)
.Where(p => p.Status == EmployeeStatus.Active)
.Select(y => y.ID);
}
return new[] { x.Subject };
})
.Distinct()
.Where(x => Can(fileEntry, x, action)));
}
private IEnumerable<FileEntry> Filter(IEnumerable<FileEntry> entries, FilesSecurityActions action, Guid userId)
{
if (entries == null || !entries.Any()) return Enumerable.Empty<FileEntry>();
entries = entries.Where(f => f != null);
var result = new List<FileEntry>(entries.Count());
// save entries order
var order = entries.Select((f, i) => new {Id = f.UniqID, Pos = i}).ToDictionary(e => e.Id, e => e.Pos);
// common or my files
Func<FileEntry, bool> filter =
f => f.RootFolderType == FolderType.COMMON ||
f.RootFolderType == FolderType.USER ||
f.RootFolderType == FolderType.SHARE;
if (entries.Any(filter))
{
var subjects = GetUserSubjects(userId);
List<FileShareRecord> shares = null;
foreach (var e in entries.Where(filter))
{
if (!CoreContext.Authentication.GetAccountByID(userId).IsAuthenticated && userId != FileConstant.ShareLinkId)
{
continue;
}
if (action != FilesSecurityActions.Read && e is Folder && ((Folder) e).FolderType == FolderType.SHARE)
{
// Root Share folder read-only
continue;
}
if (e.RootFolderType == FolderType.USER && e.RootFolderCreator == userId)
{
// user has all right in his folder
result.Add(e);
continue;
}
if (DefaultCommonShare == FileShare.Read && action == FilesSecurityActions.Read && e is Folder &&
((Folder) e).FolderType == FolderType.COMMON)
{
// all can read Common folder
result.Add(e);
continue;
}
if (action == FilesSecurityActions.Read && e is Folder &&
((Folder) e).FolderType == FolderType.SHARE)
{
// all can read Share folder
result.Add(e);
continue;
}
if (e.RootFolderType == FolderType.COMMON && IsAdministrator(userId))
{
// administrator in Common has all right
result.Add(e);
continue;
}
if (shares == null)
{
shares = GetShares(entries.ToArray()).Join(subjects, r => r.Subject, s => s, (r, s) => r).ToList();
// shares ordered by level
}
FileShareRecord ace;
if (e is File)
{
ace = shares
.OrderBy(r => subjects.IndexOf(r.Subject))
.FirstOrDefault(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.File);
if (ace == null)
{
// share on parent folders
ace = shares.Where(r => Equals(r.EntryId, ((File) e).FolderID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => subjects.IndexOf(r.Subject))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share)
.FirstOrDefault();
}
}
else
{
ace = shares.Where(r => Equals(r.EntryId, e.ID) && r.EntryType == FileEntryType.Folder)
.OrderBy(r => subjects.IndexOf(r.Subject))
.ThenBy(r => r.Level)
.ThenByDescending(r => r.Share)
.FirstOrDefault();
}
var defaultShare = e.RootFolderType == FolderType.USER ? DefaultMyShare : DefaultCommonShare;
e.Access = ace != null ? ace.Share : defaultShare;
if (action == FilesSecurityActions.Read && e.Access <= FileShare.Read) result.Add(e);
else if (action == FilesSecurityActions.Edit && e.Access <= FileShare.ReadWrite) result.Add(e);
else if (action == FilesSecurityActions.Create && e.Access <= FileShare.ReadWrite) result.Add(e);
// can't delete in My other people's files
else if (action == FilesSecurityActions.Delete && e.Access <= FileShare.ReadWrite && e.RootFolderType == FolderType.COMMON) result.Add(e);
else if (e.Access <= FileShare.Read && e.CreateBy == userId) result.Add(e);
if (e.CreateBy == userId) e.Access = FileShare.None; //HACK: for client
}
}
// files in bunch
filter = f => f.RootFolderType == FolderType.BUNCH;
if (entries.Any(filter))
{
using (var dao = daoFactory.GetFolderDao())
{
var findedAdapters = new Dictionary<object, IFileSecurity>();
foreach (var e in entries.Where(filter))
{
IFileSecurity adapter = null;
if (!findedAdapters.ContainsKey(e.RootFolderId))
{
var root = dao.GetFolder(e.RootFolderId);
if (root != null)
{
adapter = FilesIntegration.GetFileSecurity(root.Title);
}
findedAdapters[e.RootFolderId] = adapter;
}
adapter = findedAdapters[e.RootFolderId];
if (adapter != null)
{
if (action == FilesSecurityActions.Create && adapter.CanCreate(e, userId)) result.Add(e);
if (action == FilesSecurityActions.Delete && adapter.CanDelete(e, userId)) result.Add(e);
if (action == FilesSecurityActions.Read && adapter.CanRead(e, userId)) result.Add(e);
if (action == FilesSecurityActions.Edit && adapter.CanEdit(e, userId)) result.Add(e);
}
}
}
}
// files in trash
filter = f => f.RootFolderType == FolderType.TRASH;
if (entries.Any(filter))
{
using (var dao = daoFactory.GetFolderDao())
{
var mytrashId = dao.GetFolderID(FileConstant.ModuleId, "trash", userId.ToString(), false);
foreach (var e in entries.Where(filter))
{
// only in my trash
if (Equals(e.RootFolderId, mytrashId)) result.Add(e);
}
}
}
if (IsAdministrator(userId))
{
// administrator can work with crashed entries (crash in files_folder_tree)
filter = f => f.RootFolderType == FolderType.DEFAULT;
result.AddRange(entries.Where(filter));
}
// restore entries order
result.Sort((x, y) => order[x.UniqID].CompareTo(order[y.UniqID]));
return result;
}
private bool Can(FileEntry entry, Guid userId, FilesSecurityActions action)
{
return Filter(new[] {entry}, action, userId).Any();
}