private void SetLdapControls(LdapFilter pageInfo, LdapSearchConstraints constraints)
{
LdapControl[] ldapControls =
{
new LdapSortControl(new LdapSortKey(pageInfo.OrderBy ?? LdapConfiguration.Attribute.UniqueName),
true),
new LdapVirtualListControl(pageInfo.TotalResults, 0, pageInfo.TotalPerPage - 1, pageInfo.ContentCount)
};
constraints.setControls(ldapControls);
}
private void ExecuteSearch(LdapFilter filter, LdapConnection ldapConnection, Action <LdapSearchResults> middleAction)
{
LdapSearchConstraints constraints = ldapConnection.SearchConstraints;
SetLdapControls(filter, constraints);
LdapSearchResults searchResults = ldapConnection.Search(
filter.SearchPath, LdapConnection.SCOPE_SUB,
filter.SearchCriteria, null, false, constraints);
middleAction(searchResults);
TotalResultsCallback(filter, searchResults);
}
public IEnumerable <AdUser> GetAllUsers()
{
new Validator(this).ValidateConfiguration();
string searchCriteria = $"(objectclass={LdapConfiguration.ObjectClass.User})";
LdapFilter filter = new LdapFilter
{
SearchPath = LdapConfiguration.Path,
SearchCriteria = searchCriteria
};
IEnumerable <LdapEntry> results = SearchBy(filter);
return(results.Select(found => new AdUser(found)));
}
public IEnumerable <AdUser> GetUsersByFilter(string text, int page, out int total, int itemsPerPage = 5)
{
string searchCriteria =
$"(&(objectClass={LdapConfiguration.ObjectClass.User})({LdapConfiguration.Attribute.UniqueName}=*{text}*))";
LdapFilter filter = new LdapFilter
{
SearchPath = LdapConfiguration.Path,
SearchCriteria = searchCriteria,
TotalPerPage = itemsPerPage,
CurrentPage = page,
SinglePage = true
};
IEnumerable <LdapEntry> results = SearchBy(filter);
total = filter.ContentCount;
return(results.Select(found => new AdUser(found)));
}
private static void TotalResultsCallback(LdapFilter pageInfo, LdapSearchResults searchResults)
{
LdapControl[] controls = searchResults.ResponseControls;
if (controls == null)
{
pageInfo.ContentCount = pageInfo.TotalResults;
}
else
{
foreach (LdapControl control in controls)
{
if (control is LdapVirtualListResponse response)
{
pageInfo.ContentCount = response.ContentCount;
}
}
}
}
public AdUser GetUserFromAdBy(string login)
{
new Validator(this).ValidateConfiguration();
string searchCriteria =
$"(&(objectClass={LdapConfiguration.ObjectClass.User})({LdapConfiguration.Attribute.UniqueName}={login}))";
LdapFilter filter = new LdapFilter
{
SearchPath = LdapConfiguration.Path,
SearchCriteria = searchCriteria
};
LdapEntry userEntry = SearchBy(filter).FirstOrDefault();
if (userEntry == null)
{
throw new Exception(
$"User {login} not found on {LdapConfiguration.Path} using ObjectClass {LdapConfiguration.ObjectClass.User} and uniqueName {LdapConfiguration.Attribute.UniqueName}");
}
return(new AdUser(userEntry, GetAdGroups(userEntry.GetDistinguishedName())));
}
public IEnumerable <LdapEntry> SearchBy(LdapFilter filter)
{
List <LdapEntry> results = new List <LdapEntry>();
using (LdapConnection ldapConnection = StartConnection())
{
if (filter.TotalResults > 1)
{
LdapFilter countFilter = new LdapFilter
{
OrderBy = filter.OrderBy,
TotalPerPage = 1,
SearchCriteria = filter.SearchCriteria,
SearchPath = filter.SearchPath
};
ExecuteSearch(countFilter, ldapConnection, (searchResults) => searchResults.Count());
filter.ContentCount = countFilter.ContentCount;
}
while (filter.ContentCount == -1 || filter.TotalResults < filter.ContentCount)
{
ExecuteSearch(filter, ldapConnection, (searchResults) => ProcessResults(searchResults, results));
filter.TotalResults = results.Count;
if (filter.SinglePage)
{
break;
}
}
if (ldapConnection.Connected)
{
ldapConnection.Disconnect();
}
}
return(results);
}
public IEnumerable <AdGroup> GetAdGroups(string loginWithPath = null)
{
new Validator(this).ValidateConfiguration();
string searchCriteria = $"(objectClass={LdapConfiguration.ObjectClass.Group})";
if (!string.IsNullOrWhiteSpace(loginWithPath))
{
searchCriteria = $"(&{searchCriteria}({LdapConfiguration.Attribute.GroupMember}={loginWithPath}))";
}
LdapFilter filter = new LdapFilter
{
SearchPath = LdapConfiguration.Path,
SearchCriteria = searchCriteria
};
IEnumerable <LdapEntry> results = SearchBy(filter);
return(results.Select(found => new AdGroup
{
Code = found.GetUniqueName(),
Name = found.GetDisplayName()
}));
}