<?php
//
// Definition of Ldapusermanage class
//
// Created on: <28-Jul-2003 15:12:08 wy>
//
// SOFTWARE NAME: eZ Publish
// SOFTWARE RELEASE: 4.0.0
// BUILD VERSION: 20988
// COPYRIGHT NOTICE: Copyright (C) 1999-2007 eZ Systems AS
// SOFTWARE LICENSE: GNU General Public License v2.0
// NOTICE: >
//   This program is free software; you can redistribute it and/or
//   modify it under the terms of version 2.0  of the GNU General
//   Public License as published by the Free Software Foundation.
//
//   This program is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of version 2.0 of the GNU General
//   Public License along with this program; if not, write to the Free
//   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
//   MA 02110-1301, USA.
//
//

/*! \file ldapusermanage.php
*/

//include_once( "lib/ezdb/classes/ezdb.php" );
//include_once( 'lib/ezutils/classes/ezini.php' );
//include_once( 'kernel/classes/datatypes/ezuser/ezuser.php' );
//include_once( 'kernel/classes/datatypes/ezuser/ezusersetting.php' );
//include_once( 'kernel/classes/ezcontentobject.php' );

if ( !$isQuiet )
    $cli->output( "Checking LDAP users ..."  );

// fetching ldap users already stored in the database
$db = eZDB::instance();
$query = "SELECT contentobject_id, login
          FROM ezcontentobject, ezuser
          WHERE remote_id like 'LDAP%'
          AND ezcontentobject.id=contentobject_id";
$LDAPUsers = $db->arrayQuery( $query );

// get LDAP ini settings
$ini = eZINI::instance();
$LDAPIni = eZINI::instance( 'ldap.ini' );

$LDAPVersion    = $LDAPIni->variable( 'LDAPSettings', 'LDAPVersion' );
$LDAPServer     = $LDAPIni->variable( 'LDAPSettings', 'LDAPServer' );
$LDAPHost       = $LDAPServer;

$LDAPPort       = $LDAPIni->variable( 'LDAPSettings', 'LDAPPort' );
$LDAPBaseDN     = $LDAPIni->variable( 'LDAPSettings', 'LDAPBaseDn' );
$LDAPBindUser   = $LDAPIni->variable( 'LDAPSettings', 'LDAPBindUser' );
$LDAPBindPassword       = $LDAPIni->variable( 'LDAPSettings', 'LDAPBindPassword' );

$LDAPSearchScope        = $LDAPIni->variable( 'LDAPSettings', 'LDAPSearchScope' );
$LDAPLoginAttribute     = $LDAPIni->variable( 'LDAPSettings', 'LDAPLoginAttribute' );
$LDAPLogin              = $LDAPLoginAttribute;
$LDAPFirstNameAttribute = $LDAPIni->variable( 'LDAPSettings', 'LDAPFirstNameAttribute' );
$LDAPLastNameAttribute  = $LDAPIni->variable( 'LDAPSettings', 'LDAPLastNameAttribute' );
$LDAPEmailAttribute     = $LDAPIni->variable( 'LDAPSettings', 'LDAPEmailAttribute' );

$defaultUserPlacement   = $ini->variable( "UserSettings", "DefaultUserPlacement" );

$LDAPUserGroupAttributeType = $LDAPIni->variable( 'LDAPSettings', 'LDAPUserGroupAttributeType' );
$LDAPUserGroupAttribute     = $LDAPIni->variable( 'LDAPSettings', 'LDAPUserGroupAttribute' );

if ( $LDAPIni->hasVariable( 'LDAPSettings', 'Utf8Encoding' ) )
{
    $Utf8Encoding = $LDAPIni->variable( 'LDAPSettings', 'Utf8Encoding' );
    if ( $Utf8Encoding == "true" )
        $isUtf8Encoding = true;
    else
        $isUtf8Encoding = false;
}
else
{
    $isUtf8Encoding = false;
}

if ( $LDAPIni->hasVariable( 'LDAPSettings', 'LDAPSearchFilters' ) )
{
    $LDAPFilters = $LDAPIni->variable( 'LDAPSettings', 'LDAPSearchFilters' );
}
if ( $LDAPIni->hasVariable( 'LDAPSettings', 'LDAPUserGroupType' ) and  $LDAPIni->hasVariable( 'LDAPSettings', 'LDAPUserGroup' ) )
{
    $LDAPUserGroupType = $LDAPIni->variable( 'LDAPSettings', 'LDAPUserGroupType' );
    $LDAPUserGroup = $LDAPIni->variable( 'LDAPSettings', 'LDAPUserGroup' );
}

$LDAPEqualSign = trim($LDAPIni->variable( 'LDAPSettings', "LDAPEqualSign" ) );
$LDAPBaseDN = str_replace( $LDAPEqualSign, "=", $LDAPBaseDN );

$retrieveAttributes = array( $LDAPLoginAttribute,
                             $LDAPFirstNameAttribute,
                             $LDAPLastNameAttribute,
                             $LDAPEmailAttribute );
if ( $LDAPUserGroupAttributeType )
    $retrieveAttributes[] = $LDAPUserGroupAttribute;


$extraNodeAssignments = array();
if ( $LDAPUserGroupType != null )
{
    if ( $LDAPUserGroupType == "name" )
    {
        if ( is_array( $LDAPUserGroup ) )
        {
            foreach ( array_keys( $LDAPUserGroup ) as $key )
            {
                $groupName = $LDAPUserGroup[$key];
                $db->escapeString( $groupName );
                $groupQuery = "SELECT ezcontentobject_tree.node_id
                                 FROM ezcontentobject, ezcontentobject_tree
                                WHERE ezcontentobject.name like '$groupName'
                                  AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                                  AND ezcontentobject.contentclass_id=3";
                $groupObject = $db->arrayQuery( $groupQuery );
                if ( count( $groupObject ) > 0 and $key == 0 )
                {
                    $defaultUserPlacement = $groupObject[0]['node_id'];
                }
                else if ( count( $groupObject ) > 0 )
                {
                    $extraNodeAssignments[] = $groupObject[0]['node_id'];
                }
            }
        }
        else
        {
            $groupName = $LDAPUserGroup;
            $db->escapeString( $groupName );
            $groupQuery = "SELECT ezcontentobject_tree.node_id
                             FROM ezcontentobject, ezcontentobject_tree
                            WHERE ezcontentobject.name like '$groupName'
                              AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                              AND ezcontentobject.contentclass_id=3";
            $groupObject = $db->arrayQuery( $groupQuery );

            if ( count( $groupObject ) > 0  )
            {
                $defaultUserPlacement = $groupObject[0]['node_id'];
            }
        }
    }
    else if ( $LDAPUserGroupType == "id" )
    {
        if ( is_array( $LDAPUserGroup ) )
        {
            foreach ( array_keys( $LDAPUserGroup ) as $key )
            {
                $groupID =(int) $LDAPUserGroup[$key];
                $groupQuery = "SELECT ezcontentobject_tree.node_id
                                 FROM ezcontentobject, ezcontentobject_tree
                                WHERE ezcontentobject.id='$groupID'
                                  AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                                  AND ezcontentobject.contentclass_id=3";
                $groupObject = $db->arrayQuery( $groupQuery );
                if ( count( $groupObject ) > 0 and $key == 0 )
                {
                    $defaultUserPlacement = $groupObject[0]['node_id'];
                }
                else if ( count( $groupObject ) > 0 )
                {
                    $extraNodeAssignments[] = $groupObject[0]['node_id'];
                }
            }
        }
        else
        {
            $groupID =(int) $LDAPUserGroup;
            $groupQuery = "SELECT ezcontentobject_tree.node_id
                             FROM ezcontentobject, ezcontentobject_tree
                            WHERE ezcontentobject.id='$groupID'
                              AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                              AND ezcontentobject.contentclass_id=3";
            $groupObject = $db->arrayQuery( $groupQuery );

            if ( count( $groupObject ) > 0  )
            {
                $defaultUserPlacement = $groupObject[0]['node_id'];
            }
        }
    }
}

//connect to LDAP server
$ds = ldap_connect( $LDAPHost, $LDAPPort );
if ( $ds )
{
    ldap_set_option( $ds, LDAP_OPT_PROTOCOL_VERSION, $LDAPVersion );
    if ( $LDAPBindUser == '' )
    {
        $r = ldap_bind( $ds );
    }
    else
    {
        $r = ldap_bind( $ds, $LDAPBindUser, $LDAPBindPassword );
    }
    if ( !$r )
    {
        eZDebug::writeError( 'Cannot bind in to LDAP server', 'ldapusermanage.php' );
        return false;
    }
    ldap_set_option( $ds, LDAP_OPT_SIZELIMIT, 0 );
    ldap_set_option( $ds, LDAP_OPT_TIMELIMIT, 0 );
}
else
{
    eZDebug::writeError( 'Cannot initialize connection for LDAP server', 'ldapusermanage.php' );
    return false;
}

$db->begin();
foreach ( $LDAPUsers as $LDAPUser )
{
    $login = $LDAPUser['login'];
    $userID = $LDAPUser['contentobject_id'];

    $LDAPFilter = "( &";
    if ( count( $LDAPFilters ) > 0 )
    {
        foreach ( array_keys( $LDAPFilters ) as $key )
        {
            $LDAPFilter .= "(" . $LDAPFilters[$key] . ")";
        }
    }
    $LDAPFilter .= "($LDAPLogin=$login)";
    $LDAPFilter .= ")";
    $LDAPFilter = str_replace( $LDAPEqualSign, "=", $LDAPFilter );

    if ( $LDAPSearchScope == "one" )
        $sr = ldap_list( $ds, $LDAPBaseDN, $LDAPFilter, $retrieveAttributes );
    else if ( $LDAPSearchScope == "base" )
        $sr = ldap_read( $ds, $LDAPBaseDN, $LDAPFilter, $retrieveAttributes );
    else
        $sr = ldap_search( $ds, $LDAPBaseDN, $LDAPFilter, $retrieveAttributes );

    $info = ldap_get_entries( $ds, $sr );
    if ( $info["count"] != 1 )
    {
        $cli->output( "Disable user " . $cli->stylize( 'emphasize', $login ) );
        // Disable the user
        $userSetting = eZUserSetting::fetch( $userID );
        $userSetting->setAttribute( "is_enabled", false );
        $userSetting->store();
    }
    else
    {
        // Update user information
        $contentObject = eZContentObject::fetch( $userID );

        $parentNodeID = $contentObject->attribute( 'main_parent_node_id' );
        $currentVersion = $contentObject->attribute( 'current_version' );

        $version = $contentObject->attribute( 'current' );
        $contentObjectAttributes = $version->contentObjectAttributes();

        if ( $isUtf8Encoding )
        {
            $firstName = utf8_decode( $info[0][$LDAPFirstNameAttribute][0] );
            $lastName = utf8_decode( $info[0][$LDAPLastNameAttribute][0] );
            $ldapEMail = utf8_decode( $info[0][$LDAPEmailAttribute][0] );
        }
        else
        {
            $firstName = $info[0][$LDAPFirstNameAttribute][0];
            $lastName = $info[0][$LDAPLastNameAttribute][0];
            $ldapEMail = $info[0][$LDAPEmailAttribute][0];
        }

        $contentObjectAttributes[0]->setAttribute( 'data_text', $firstName );
        $contentObjectAttributes[0]->store();

        $contentObjectAttributes[1]->setAttribute( 'data_text', $lastName );
        $contentObjectAttributes[1]->store();

        $contentClass = $contentObject->attribute( 'content_class' );
        $name = $contentClass->contentObjectName( $contentObject );
        $contentObject->setName( $name );

        $existUser = eZUser::fetch(  $userID );
        $existUser->setAttribute('email', $ldapEMail );
        $existUser->setAttribute('password_hash', "" );
        $existUser->setAttribute('password_hash_type', 0 );
        $existUser->store();

        // If user has changed to another group, update it.
        if ( $LDAPUserGroupAttributeType != null )
        {
            $republishRequired = false;
            $IsLDAPMain = true;
            $hasOtherNodeType = false;
            $hasLDAPNodeType = false;
            $otherNodeArray = array();
            $LDAPNodeArray = array();
            $newLDAPNodeArray = array();
            $parentNodes = $contentObject->parentNodes( $currentVersion );;
            foreach( $parentNodes as $parentNode )
            {
                $parentNodeID = $parentNode->attribute( 'node_id' );
                $parentNodeName = $parentNode->attribute( 'name' );
                $nodeAssignment = eZNodeAssignment::fetch( $contentObject->attribute( 'id' ), $currentVersion, $parentNodeID );
                $isMain = $nodeAssignment->attribute( 'is_main' );
                $remoteID = $nodeAssignment->attribute( 'parent_remote_id' );
                if ( preg_match( "/LDAP/i", $remoteID ) )
                {
                    $LDAPNodeArray[] = array( 'parent_node_name' => $parentNodeName, 'parent_node_id' => $parentNodeID, 'is_main' => $isMain );
                }
                else
                {
                    $otherNodeArray[] = array( 'parent_node_name' => $parentNodeName, 'parent_node_id' => $parentNodeID, 'is_main' => $isMain );
                    $hasOtherNodeType = true;
                    if ( $isMain )
                    {
                        $IsLDAPMain = false;
                    }
                }
            }
            $LDAPUserGroupCount = count( $LDAPNodeArray );
            $groupAttributeCount = $info[0][$LDAPUserGroupAttribute]['count'];

            if ( $LDAPUserGroupAttributeType == "name" )
            {
                for ( $i = 0; $i < $groupAttributeCount; $i++ )
                {
                    if ( $isUtf8Encoding )
                    {
                        $groupName = utf8_decode( $info[0][$LDAPUserGroupAttribute][$i] );
                    }
                    else
                    {
                        $groupName = $info[0][$LDAPUserGroupAttribute][$i];
                    }
                    $exist = false;
                    foreach( $LDAPNodeArray as $LDAPNode )
                    {
                        $existGroupName = $LDAPNode['parent_node_name'];
                        $existGroupID = $LDAPNode['parent_node_id'];
                        if ( strcasecmp( $existGroupName, $groupName )  == 0 )
                        {
                            $exist = true;
                            $hasLDAPNodeType = true;
                            if ( $IsLDAPMain and count( $newLDAPNodeArray ) == 0 )
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $existGroupName, 'parent_node_id' => $existGroupID, 'is_main' => 1 );
                            }
                            else
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $existGroupName, 'parent_node_id' => $existGroupID, 'is_main' => 0 );
                            }
                            $LDAPUserGroupCount--;
                        }
                    }

                    if ( $exist == false )
                    {
                        $groupName = $db->escapeString( $groupName );
                        $groupQuery = "SELECT ezcontentobject_tree.node_id
                                         FROM ezcontentobject, ezcontentobject_tree
                                        WHERE ezcontentobject.name like '$groupName'
                                          AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                                          AND ezcontentobject.contentclass_id=3";
                        $groupObject = $db->arrayQuery( $groupQuery );

                        if ( count( $groupObject ) > 0 )
                        {
                            $hasLDAPNodeType = true;
                            if ( $IsLDAPMain and count( $newLDAPNodeArray ) == 0 )
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $groupName, 'parent_node_id' => $groupObject[0]['node_id'], 'is_main' => 1 );
                            }
                            else
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $groupName, 'parent_node_id' => $groupObject[0]['node_id'], 'is_main' => 0 );
                            }
                            $republishRequired = true;
                        }
                    }
                }

                if ( $LDAPUserGroupCount != 0 )
                {
                    $republishRequired = true;
                }
            }
            else if ( $LDAPUserGroupAttributeType == "id" )
            {
                for ( $i = 0; $i < $groupAttributeCount; $i++ )
                {
                    if ( $isUtf8Encoding )
                    {
                        $groupID = utf8_decode( $info[0][$LDAPUserGroupAttribute][$i] );
                    }
                    else
                    {
                        $groupID = $info[0][$LDAPUserGroupAttribute][$i];
                    }

                    $groupName = "LDAP " . $groupID;

                    $exist = false;
                    foreach( $LDAPNodeArray as $LDAPNode )
                    {
                        $existGroupName = $LDAPNode['parent_node_name'];
                        $existGroupID = $LDAPNode['parent_node_id'];
                        if ( strcasecmp( $existGroupName, $groupName )  == 0 )
                        {
                            $exist = true;
                            $hasLDAPNodeType = true;
                            if ( $IsLDAPMain and count( $newLDAPNodeArray ) == 0 )
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $existGroupName, 'parent_node_id' => $existGroupID, 'is_main' => 1 );
                            }
                            else
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $existGroupName, 'parent_node_id' => $existGroupID, 'is_main' => 0 );
                            }
                            $LDAPUserGroupCount--;
                        }
                    }

                    if ( $exist == false )
                    {
                        $groupName = $db->escapeString( $groupName );
                        $groupQuery = "SELECT ezcontentobject_tree.node_id
                                         FROM ezcontentobject, ezcontentobject_tree
                                        WHERE ezcontentobject.name like '$groupName'
                                          AND ezcontentobject.id=ezcontentobject_tree.contentobject_id
                                          AND ezcontentobject.contentclass_id=3";
                        $groupObject = $db->arrayQuery( $groupQuery );

                        if ( count( $groupObject ) > 0 )
                        {
                            $hasLDAPNodeType = true;
                            if ( $IsLDAPMain and count( $newLDAPNodeArray ) == 0 )
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $groupName, 'parent_node_id' => $groupObject[0]['node_id'], 'is_main' => 1 );
                            }
                            else
                            {
                                $newLDAPNodeArray[] = array( 'parent_node_name' => $groupName, 'parent_node_id' => $groupObject[0]['node_id'], 'is_main' => 0 );
                            }
                            $republishRequired = true;
                        }
                    }
                }

                if ( $LDAPUserGroupCount != 0 )
                {
                    $republishRequired = true;
                }
            }
            if ( $republishRequired )
            {
                $noRemoveAssignmentList = array();
                if ( $hasOtherNodeType )
                {
                    foreach ( $otherNodeArray as $otherNode )
                    {
                        $noRemoveAssignmentList[$otherNode['parent_node_id']] = $otherNode['is_main'];
                    }
                }

                if ( $hasLDAPNodeType )
                {
                    foreach ( $newLDAPNodeArray as $newLDAPNode )
                    {
                        $noRemoveAssignmentList[$newLDAPNode['parent_node_id']] = $newLDAPNode['is_main'];
                    }
                }

                if ( !$hasOtherNodeType and !$hasLDAPNodeType )
                {
                    $noRemoveAssignmentList[$defaultUserPlacement] = 1;
                }

                $newVersion = $contentObject->createNewVersion();
                $newVersionNr = $newVersion->attribute( 'version' );
                $nodeAssignmentList = $newVersion->attribute( 'node_assignments' );
                $noAddAssignmentList = array();
                foreach ( $nodeAssignmentList as $nodeAssignment )
                {
                    $parentNodeID = $nodeAssignment->attribute( 'parent_node' );
                    if ( array_key_exists( $parentNodeID, $noRemoveAssignmentList ) )
                    {
                        $noAddAssignmentList[] = $parentNodeID;
                        $nodeAssignment ->setAttribute( 'parent_remote_id', 'LDAP_' . $parentNodeID );
                        $nodeAssignment ->store();
                    }
                    else
                    {
                        eZNodeAssignment::removeByID( $nodeAssignment->attribute( 'id' ) );
                    }
                }

                if ( $hasOtherNodeType )
                {
                    foreach ( $otherNodeArray as $otherNode )
                    {
                        if ( !in_array( $otherNode['parent_node_id'], $noAddAssignmentList ) )
                        {
                            $newVersion->assignToNode( $otherNode['parent_node_id'], $otherNode['is_main'] );
                        }
                    }
                }

                if ( $hasLDAPNodeType )
                {
                    foreach ( $newLDAPNodeArray as $newLDAPNode )
                    {
                        if ( !in_array( $newLDAPNode['parent_node_id'], $noAddAssignmentList ) )
                        {
                            $newVersion->assignToNode( $newLDAPNode['parent_node_id'], $newLDAPNode['is_main'] );
                        }
                        $assignment = eZNodeAssignment::fetch( $contentObject->attribute( 'id' ), $newVersionNr, $newLDAPNode['parent_node_id'] );
                        $assignment->setAttribute( 'parent_remote_id', "LDAP_" . $newLDAPNode['parent_node_id'] );
                        $assignment->store();
                    }
                }

                if ( !$hasOtherNodeType and !$hasLDAPNodeType )
                {
                    if ( !in_array( $defaultUserPlacement, $noAddAssignmentList ) )
                    {
                        $newVersion->assignToNode( $defaultUserPlacement, 1 );
                    }
                }
                //include_once( 'lib/ezutils/classes/ezoperationhandler.php' );
                $adminUser = eZUser::fetchByName( 'admin' );
                $adminUserContentObjectID = $adminUser->attribute( 'contentobject_id' );
                eZUser::setCurrentlyLoggedInUser( $adminUser, $adminUserContentObjectID );
                $operationResult = eZOperationHandler::execute( 'content', 'publish', array( 'object_id' => $userID,
                                                                                             'version' => $newVersionNr ) );
                $cli->output( $cli->stylize( 'emphasize', $existUser->attribute('login') ) . " has changed group, updated." );
            }
        }
    }
}
$db->commit();

if ( !$isQuiet )
    $cli->output( "All LDAP users have been updated!" );
?>
