public bool RemoveUserFromGroups(string username, List <byte> groupIDs)
{
if (groupIDs == null || groupIDs.Count == 0)
{
return(true);
}
using (CPSecurityEntities context = new CPSecurityEntities())
{
foreach (var m in from m in context.SecurityGroupMemberships
where m.UserName == username && groupIDs.Contains(m.GroupId)
select m)
{
context.DeleteObject(m);
}
try
{
context.SaveChanges();
return(true);
}
catch (ConstraintException)
{
return(false);
}
}
}
/// <summary>
/// Deletes a security user profile from the datastore.
/// </summary>
/// <param name="context">The datastore entity context to use.</param>
/// <param name="username">The username of the profile to delete.</param>
public static void DeleteSecurityUserProfile(this CPSecurityEntities context, string username)
{
var match = context.SecurityUserProfiles.FirstOrDefault(p => p.UserName == username);
if (match != null)
{
try
{
context.DeleteObject(match);
context.SaveChanges();
}
catch (OptimisticConcurrencyException)
{
context.Refresh(RefreshMode.ClientWins, match);
context.DeleteObject(match);
}
}
}
/// <summary>
/// Checks whether or not a login token exists and is valid for authentication.
/// </summary>
/// <param name="tokenID">The unique identifier of the token to validate.</param>
/// <returns>The login name of the user attempting to authenticate with the specified token, if valid; otherwise, null.</returns>
/// <remarks>The login token is automatically discarded once validated.</remarks>
public string ValidateToken(Guid tokenID)
{
string username = null;
if (tokenID != null)
{
using (CPSecurityEntities context = new CPSecurityEntities())
{
var token = context.SecuritySsoTokens.FirstOrDefault(t => t.TokenId == tokenID);
if (token != null)
{
if (DateTime.Now <= token.Created.Add(Properties.Settings.Default.TokenValidationWindow))
{
username = token.UserName;
}
context.DeleteObject(token);
context.SaveChanges();
}
}
}
return(username);
}
public bool DeleteGroup(string groupName)
{
using (CPSecurityEntities context = new CPSecurityEntities())
{
var match = context.SecurityGroups.FirstOrDefault(g => g.GroupName == groupName);
if (match == null)
{
return(true);
}
context.DeleteObject(match);
try
{
return(context.SaveChanges() > 0);
}
catch (OptimisticConcurrencyException)
{
return(false);
}
catch (ConstraintException)
{
return(false);
}
}
}
