public async Task<XResult<bool>> SetContext(XSecurityContext context)
{
var existing = _contexts.FirstOrDefault(_ => _.Id == context.Id);
if (existing != null)
{
_contexts.Remove(existing);
}
_contexts.Add(context);
return new XResult<bool>(true);
}
public async Task<XResult<XSecurityContext>> CreateContext(XSecurityContext parent, string name,
int permissions, Guid? owner = null, List<Guid> targetIds = null)
{
var context = new XSecurityContext
{
Id = Guid.NewGuid(),
Name = name,
Permissions = permissions,
Members = new List<Guid>(),
Children = new List<Guid>()
};
if (owner != null)
{
context.Members.Add(owner.Value);
}
if (targetIds != null)
{
context.Targets = targetIds;
}
parent?.Children.Add(context.Id);
var newContextResult = await SetContext(context);
if (parent != null)
{
var parentUpdateResult = await SetContext(parent);
if (!parentUpdateResult)
{
return parentUpdateResult.Copy<XSecurityContext>();
}
}
if (!newContextResult)
{
return newContextResult.Copy<XSecurityContext>();
}
return new XResult<XSecurityContext>(context);
}
public async Task<XResult<XSecurityContext>> GetAccess(Guid userId, XSecurityContext context,
int securityTypes)
{
return await GetAccess(userId, new List<XSecurityContext> { context }, securityTypes);
}
public async Task<XResult<bool>> SetContext(XSecurityContext context)
{
return await _repo.SetContext(context);
}
public async Task<XResult<bool>> _validateContextChain(XSecurityContext context, Guid userId, int securityTypes)
{
if (context.Members.Contains(userId) && (context.Permissions & securityTypes) != 0)
{
return new XResult<bool>(true, true, $"Authorised by {context.Name} ({context.Id})");
}
var parent = await GetParentContext(context.Id);
if (!parent || parent.Object == null)
{
return
XResult<bool>.GetNotAuthorised(
$"Could not find parent context on context {context.Name} ({context.Id}). looking for permisssions {securityTypes} ");
}
var c = await _validateContextChain(parent.Object, userId, securityTypes);
if (c)
{
return c;
}
return
XResult<bool>.GetNotAuthorised(
$"Could not find parent context on context {context.Name} ({context.Id}). looking for permisssions {securityTypes} (last try)");
}
public async Task<XResult<bool>> RemoveMember(XSecurityContext context, Guid currentUserId, Guid memberId)
{
//first check the current user has permissions to edit security
var canEditSecurityResult =
await _validateContextChain(context, currentUserId, (int)XPermission.EditPermissions);
if (!canEditSecurityResult)
{
return canEditSecurityResult;
}
var liveContext = await GetContextById(context.Id);
if (!liveContext)
{
return liveContext.Copy<bool>();
}
if (liveContext.Object.Members.Contains(memberId))
{
liveContext.Object.Members.Remove(memberId);
var setResult = await SetContext(liveContext.Object);
if (!setResult)
{
return setResult;
}
}
context.Members.Add(currentUserId);
return new XResult<bool>(true);
}
async Task<XSecurityContext> _createContext(List<Guid> targetIds, XSecurityContext parent, string name, int permissions, Guid? owner = null)
{
var sec = Resolve<ISecurityService>();
var c = await sec.CreateContext(parent, name, permissions, owner, targetIds);
return c.Object;
}
private async Task<XSecurityContext> _createContext(Guid targetId, XSecurityContext parent, string name, int permissions, Guid? owner = null)
{
return await _createContext(new List<Guid> { targetId }, parent, name, permissions, owner);
}
