public override string authenticate(AbstractCredentials credentials, DataSource validationDataSource = null)
{
if (!(credentials is LdapCredentials))
{
throw new MdoException("Invalid credentials - not LDAP credentials");
}
LdapCredentials ldapCreds = (LdapCredentials)credentials;
DirectoryEntry entry = new DirectoryEntry(Cxn.DataSource.Provider, ldapCreds.AccountName, ldapCreds.AccountPassword);
entry.AuthenticationType = AuthenticationTypes.Secure;
DirectorySearcher search = new DirectorySearcher();
search.SearchRoot = entry;
search.Filter = "(&(objectClass=user)(SAMAccountName=" + ldapCreds.AccountName + "))";
//SearchResultCollection result = (SearchResultCollection)this.Cxn.query("(&(objectClass=user)(SAMAccountName=" + credentials.AccountName + "))");
SearchResultCollection result = search.FindAll();
if (result.Count != 1)
{
throw new MdoException("Invalid credentials");
}
return(result[0].GetDirectoryEntry().Guid.ToString());
}
public override User authorize(AbstractCredentials credentials, AbstractPermission permission)
{
if (!(credentials is LdapCredentials))
{
throw new MdoException("Invalid credentials - not LDAP credentials");
}
// cxn.query only returns a SearchResultCollection so need to manually impersonate here
LdapCredentials ldapCreds = (LdapCredentials)credentials;
PrincipalContext principal = new PrincipalContext(ContextType.Domain);
UserPrincipal user = UserPrincipal.FindByIdentity(principal, ((LdapCredentials)credentials).AccountName);
if (user != null)
{
GroupPrincipal group = GroupPrincipal.FindByIdentity(new PrincipalContext(ContextType.Domain), IdentityType.DistinguishedName, permission.Name);
if (group == null)
{
throw new MdoException("Unable to locate that group in Active Directory");
}
if (user.IsMemberOf(group))
{
User u = new User();
u.PrimaryPermission = new LdapGroup()
{
IsPrimary = true, Name = permission.Name, PermissionId = group.Guid.ToString()
};
u.Domain = base.Cxn.DataSource.Provider;
u.UserName = user.SamAccountName;
return(u);
}
}
// if we reached this point, authorization was unsuccessful - throw error
throw new MdoException("User is not a member of that group");
}
