<?php
  /**************************************************************************\
  * eGroupWare - Setup                                                       *
  * http://www.egroupware.org                                                *
  * --------------------------------------------                             *
  *  This program is free software; you can redistribute it and/or modify it *
  *  under the terms of the GNU General Public License as published by the   *
  *  Free Software Foundation; either version 2 of the License, or (at your  *
  *  option) any later version.                                              *
  \**************************************************************************/

  /* $Id: ldapimport.php 23096 2006-12-21 07:07:56Z ralfbecker $ */

	$GLOBALS['egw_info'] = array(
		'flags' => array(
			'noheader'   => True,
			'nonavbar'   => True,
			'currentapp' => 'home',
			'noapi'      => True
	));
	include('./inc/functions.inc.php');

	// Authorize the user to use setup app and load the database
	if(!$GLOBALS['egw_setup']->auth('Config'))
	{
		Header('Location: index.php');
		exit;
	}
	// Does not return unless user is authorized

	class egw
	{
		var $common;
		var $accounts;
		var $applications;
		var $db;
	}
	$egw = new egw;
	$egw->common = CreateObject('phpgwapi.common');

	$common = $egw->common;
	$GLOBALS['egw_setup']->loaddb();
	$egw->db = $GLOBALS['egw_setup']->db;

	$tpl_root = $GLOBALS['egw_setup']->html->setup_tpl_dir('setup');
	$setup_tpl = CreateObject('setup.Template',$tpl_root);
	$setup_tpl->set_file(array(
		'ldap'   => 'ldap.tpl',
		'T_head' => 'head.tpl',
		'T_footer' => 'footer.tpl',
		'T_alert_msg' => 'msg_alert_msg.tpl'
	));

	$GLOBALS['egw_info']['server']['auth_type'] = 'ldap';

	$egw->applications = CreateObject('phpgwapi.applications');
	$applications        = $egw->applications;

	$GLOBALS['egw_setup']->db->select($GLOBALS['egw_setup']->config_table,'config_name,config_value',array(
		"config_name LIKE 'ldap%' OR config_name='account_repository'",
	),__LINE__,__FILE__);
	while($GLOBALS['egw_setup']->db->next_record())
	{
		$config[$GLOBALS['egw_setup']->db->f('config_name')] = $GLOBALS['egw_setup']->db->f('config_value');
	}
	$GLOBALS['egw_info']['server']['ldap_host']          = $config['ldap_host'];
	$GLOBALS['egw_info']['server']['ldap_context']       = $config['ldap_context'];
	$GLOBALS['egw_info']['server']['ldap_group_context'] = $config['ldap_group_context'];
	$GLOBALS['egw_info']['server']['ldap_root_dn']       = $config['ldap_root_dn'];
	$GLOBALS['egw_info']['server']['ldap_root_pw']       = $config['ldap_root_pw'];
	$GLOBALS['egw_info']['server']['ldap_version3']      = $config['ldap_version3'] == "True" ? True : False;
	$GLOBALS['egw_info']['server']['account_repository'] = $config['account_repository'];

	$egw->accounts     = CreateObject('phpgwapi.accounts');
	$acct                = $egw->accounts;

	// First, see if we can connect to the LDAP server, if not send `em back to config.php with an
	// error message.

	// connect to ldap server
	if(!$ldap = $common->ldapConnect())
	{
		$noldapconnection = True;
	}

	if($noldapconnection)
	{
		Header('Location: config.php?error=badldapconnection');
		exit;
	}

	$sr = ldap_search($ldap,$config['ldap_context'],'(|(uid=*))',array('sn','givenname','uid','uidnumber','email','gidnumber'));
	$info = ldap_get_entries($ldap, $sr);
	$account_info = $group_info = array();
	
	for($i=0; $i<$info['count']; $i++)
	{
		if(!$GLOBALS['egw_info']['server']['global_denied_users'][$info[$i]['uid'][0]])
		{
			$account_info[$info[$i]['uidnumber'][0]] = array(
				'account_id'        => $info[$i]['uidnumber'][0],
				'account_lid'       => $info[$i]['uid'][0],
				'account_firstname' => $info[$i]['givenname'][0],
				'account_lastname'  => $info[$i]['sn'][0],
				'account_passwd'    => $info[$i]['userpassword'][0],
				'account_email'     => $info[$i]['email'][0],
				'account_primary_group' => -$info[$i]['gidnumber'][0],
			);
		}
	}

	if($GLOBALS['egw_info']['server']['ldap_group_context'])
	{
		$srg = ldap_search($ldap,$config['ldap_group_context'],'(|(cn=*))',array('gidnumber','cn','memberuid'));
		$info = ldap_get_entries($ldap, $srg);

		for($i=0; $i<$info['count']; $i++)
		{
			if(!$GLOBALS['egw_info']['server']['global_denied_groups'][$info[$i]['cn'][0]] &&
				!$account_info[$i][$info[$i]['cn'][0]])
			{
				$group_info[-$info[$i]['gidnumber'][0]] = array(
					'account_id'        => -$info[$i]['gidnumber'][0],
					'account_lid'       => $info[$i]['cn'][0],
					'members'           => $info[$i]['memberuid'],
					'account_firstname' => $info[$i]['cn'][0],
					'account_lastname'  => 'Group'
				);
			}
		}
	}

	$GLOBALS['egw_setup']->db->select($GLOBALS['egw_setup']->applications_table,'app_name','app_enabled != 0 AND app_enabled != 3',__LINE__,__FILE__);
	while($GLOBALS['egw_setup']->db->next_record())
	{
		$apps[$GLOBALS['egw_setup']->db->f('app_name')] = lang($GLOBALS['egw_setup']->db->f('app_name'));
	}

	$cancel = get_var('cancel','POST');
	$submit = get_var('submit','POST');
	$users  = get_var('users','POST');
	$admins = get_var('admins','POST');
	$s_apps = get_var('s_apps','POST');
	$ldapgroups = get_var('ldapgroups','POST');

	if($cancel)
	{
		Header('Location: ldap.php');
		exit;
	}

	if($submit)
	{
		if(!count($admins))
		{
			$error = '<br />You must select at least 1 admin';
		}

		if(!count($s_apps))
		{
			$error .= '<br />You must select at least 1 application';
		}

		if(!$error)
		{
			if($users)
			{
				foreach($users as $id) 
				{
					$thisacctid    = $account_info[$id]['account_id'];
					$thisacctlid   = $account_info[$id]['account_lid'];

					// Do some checks before we try to import the data.
					if(!empty($thisacctid) && !empty($thisacctlid))
					{
						$accounts =& CreateObject('phpgwapi.accounts',(int)$thisacctid);

						// Check if the account is already there.
						// If so, we won't try to create it again.
						$acct_exist = $acct->name2id($thisacctlid);
						if($acct_exist)
						{
							$thisacctid = $acct_exist;
						}
						$id_exist = $accounts->exists($thisacctlid);
						// If not, create it now.
						if(!$id_exist)
						{
							$thisacctid = $accounts->create($account_info[$id]+array(
								'account_type'      => 'u',
								'account_status'    => 'A',
								'account_expires'   => -1,
							));
						}
						if (!$thisacctid)	// if we have no account_id, we cant continue
						{
							continue;
						}
						// Insert default acls for this user.
						// Since the group has app rights, we don't need to give users
						//  these rights.  Instead, we make the user a member of the Default group
						//  below.
						$acl = CreateObject('phpgwapi.acl',(int)$thisacctid);
						$acl->db = $GLOBALS['egw_setup']->db;
						$acl->read_repository();

						// Only give them admin if we asked for them to have it.
						// This is typically an exception to apps for run rights
						//  as a group member.
						for($a=0;$a<count($admins);$a++)
						{
							if($admins[$a] == $thisacctlid)
							{
								$acl->delete('admin','run',1);
								$acl->add('admin','run',1);
							}
						}

						// Now make them a member of the 'Default' group.
						// But, only if the current user is not the group itself.
						if(!$defaultgroupid)
						{
							$defaultgroupid = $accounts->name2id('Default');
						}
						if($defaultgroupid)
						{
							$acl->delete('phpgw_group',$defaultgroupid,1);
							$acl->add('phpgw_group',$defaultgroupid,1);
						}

						// Save these new acls.
						$acl->save_repository();
					}
				}
			}

			if($ldapgroups)
			{
				foreach($ldapgroups as $groupid)
				{
					$id_exist = 0;
					$thisacctid    = $group_info[$groupid]['account_id'];
					$thisacctlid   = $group_info[$groupid]['account_lid'];
					$thisfirstname = $group_info[$groupid]['account_firstname'];
					$thislastname  = $group_info[$groupid]['account_lastname'];
					$thismembers   = $group_info[$groupid]['members'];

					// Do some checks before we try to import the data.
					if(!empty($thisacctid) && !empty($thisacctlid))
					{
						$groups = CreateObject('phpgwapi.accounts',(int)$thisacctid);

						// Check if the account is already there.
						// If so, we won't try to create it again.
						$acct_exist = $groups->name2id($thisacctlid);
						/* echo '<br<group: ' . $acct_exist; */
						if($acct_exist)
						{
							$thisacctid = $acct_exist;
						}
						$id_exist = $groups->exists((int)$thisacctid);
						// If not, create it now.
						if(!$id_exist)
						{
							$thisacctid = $groups->create(array(
								'account_type'      => 'g',
								'account_lid'       => $thisacctlid,
								'account_passwd'    => 'x',
								'account_firstname' => $thisfirstname,
								'account_lastname'  => $thislastname,
								'account_status'    => 'A',
								'account_expires'   => -1
							));
						}
						if (!$thisacctid)	// if we have no account_id, we cant continue
						{
							continue;
						}
						// Now make them a member of this group in phpgw.
						foreach($thismembers as $key =>$members)
						{
							if($key == 'count')
							{
								continue;
							}
							/* echo '<br />members: ' . $members; */
							$tmpid = 0;
							@reset($account_info);
							while(list($x,$y) = each($account_info))
							{
								/* echo '<br />checking: '.$y['account_lid']; */
								if($members == $y['account_lid'])
								{
									$tmpid = $acct->name2id($y['account_lid']);
								}
							}
							/*
							Insert acls for this group based on memberuid field.
							Since the group has app rights, we don't need to give users
							these rights.  Instead, we maintain group membership here.
							*/
							if($tmpid)
							{
								$acl = CreateObject('phpgwapi.acl',$tmpid);
								$acl->account_id = (int)$tmpid;
								$acl->read_repository();

								$acl->delete('phpgw_group',$thisacctid,1);
								$acl->add('phpgw_group',$thisacctid,1);

								/* Now add the acl to let them change their password */
								$acl->delete('preferences','changepassword',1);
								$acl->add('preferences','changepassword',1);

								$acl->save_repository();

								/* Add prefs for selected apps here, since they are per-user.
									App access is added below.
								*/
								$pref = CreateObject('phpgwapi.preferences',$tmpid);
								$pref->db = $GLOBALS['egw_setup']->db;
								$pref->account_id = (int)$tmpid;
								$pref->read_repository();
								@reset($s_apps);
								while(list($key,$app) = each($s_apps))
								{
									$egw->hooks->single('add_def_pref',$app);
								}
								$pref->save_repository();
							}
						}
						/* Now give this group some rights */
						$GLOBALS['egw_info']['user']['account_id'] = $thisacctid;
						$acl = CreateObject('phpgwapi.acl');
						$acl->account_id = (int)$thisacctid;
						$acl->read_repository();
						@reset($s_apps);
						while(list($key,$app) = each($s_apps))
						{
							$acl->delete($app,'run',1);
							$acl->add($app,'run',1);
						}
						$acl->save_repository();
						$defaultgroupid = $thisacctid;
					}
				}
			}
			else
			{
				/* Create the 'Default' group */
				$groups = CreateObject('phpgwapi.accounts',$defaultgroupid);

				// Check if the group account is already there.
				// If so, set our group_id to that account's id for use below.
				$acct_exist = $groups->name2id('Default');
				if($acct_exist)
				{
					$defaultgroupid = $acct_exist;
				}
				$id_exist   = $groups->exists((int)$defaultgroupid);
				// if not, create it, using our original groupid.
				if($id_exist)
				{
					$groups->delete($defaultgroupid);
				}
				$thisgroup_info = array(
					'account_type'      => 'g',
					'account_lid'       => 'Default',
					'account_passwd'    => $passwd,
					'account_firstname' => 'Default',
					'account_lastname'  => 'Group',
					'account_status'    => 'A',
					'account_expires'   => -1
				);
				$defaultgroupid = $acct->create($thisgroup_info);

				$acl = CreateObject('phpgwapi.acl',$defaultgroupid);
				$acl->account_id = (int)$defaultgroupid;
				$acl->read_repository();
				@reset($s_apps);
				while(list($key,$app) = each($s_apps))
				{
					$acl->delete($app,'run',1);
					$acl->add($app,'run',1);
				}
				$acl->save_repository();
			} //end default group creation
		}
		$setup_complete = True;
	}

	$GLOBALS['egw_setup']->html->show_header(lang('LDAP Import'),False,'config',$GLOBALS['egw_setup']->ConfigDomain . '(' . $GLOBALS['egw_domain'][$GLOBALS['egw_setup']->ConfigDomain]['db_type'] . ')');

	if($error)
	{
		//echo '<br /><center><b>Error:</b> '.$error.'</center>';
		$GLOBALS['egw_setup']->html->show_alert_msg('Error',$error);
	}

	if($setup_complete)
	{
		echo '<br /><center>'.lang('Import has been completed!').' '.lang('Click <a href="index.php">here</a> to return to setup.').'</center>';
		$GLOBALS['egw_setup']->html->show_footer();
		exit;
	}

	$setup_tpl->set_block('ldap','header','header');
	$setup_tpl->set_block('ldap','user_list','user_list');
	$setup_tpl->set_block('ldap','admin_list','admin_list');
	$setup_tpl->set_block('ldap','group_list','group_list');
	$setup_tpl->set_block('ldap','app_list','app_list');
	$setup_tpl->set_block('ldap','submit','submit');
	$setup_tpl->set_block('ldap','footer','footer');

	while(list($key,$account) = each($account_info))
	{
		$user_list .= '<option value="' . $account['account_id'] . '">'
			. $common->display_fullname($account['account_lid'],$account['account_firstname'],$account['account_lastname'])
			. '</option>';
	}

	@reset($account_info);
	while(list($key,$account) = each($account_info))
	{
		$admin_list .= '<option value="' . $account['account_lid'] . '">'
			. $common->display_fullname($account['account_lid'],$account['account_firstname'],$account['account_lastname'])
			. '</option>';
	}

	while(list($key,$group) = each($group_info))
	{
		$group_list .= '<option value="' . $group['account_id'] . '">'
			. $group['account_lid']
			. '</option>';
	}

	while(list($appname,$apptitle) = each($apps))
	{
		if($appname == 'admin' ||
			$appname == 'skel' ||
			$appname == 'backup' ||
			$appname == 'netsaint' ||
			$appname == 'developer_tools' ||
			$appname == 'phpsysinfo' ||
			$appname == 'eldaptir' ||
			$appname == 'qmailldap')
		{
			$app_list .= '<option value="' . $appname . '">' . $apptitle . '</option>';
		}
		else
		{
			$app_list .= '<option value="' . $appname . '" selected="selected">' . $apptitle . '</option>';
		}
	}

	$setup_tpl->set_var('action_url','ldapimport.php');
	$setup_tpl->set_var('users',$user_list);
	$setup_tpl->set_var('admins',$admin_list);
	$setup_tpl->set_var('ldapgroups',$group_list);
	$setup_tpl->set_var('s_apps',$app_list);

	$setup_tpl->set_var('ldap_import',lang('LDAP import users'));
	$setup_tpl->set_var('description',lang("This section will help you import users and groups from your LDAP tree into eGroupWare's account tables").'.');
	$setup_tpl->set_var('select_users',lang('Select which user(s) will be imported'));
	$setup_tpl->set_var('select_admins',lang('Select which user(s) will have admin privileges'));
	$setup_tpl->set_var('select_groups',lang('Select which group(s) will be imported (group membership will be maintained)'));
	$setup_tpl->set_var('select_apps',lang('Select the default applications to which your users will have access').'.');
	$setup_tpl->set_var('note',lang('Note: You will be able to customize this later').'.');
	$setup_tpl->set_var('form_submit','import');
	$setup_tpl->set_var('cancel',lang('Cancel'));

	$setup_tpl->pfp('out','header');
	$setup_tpl->pfp('out','user_list');
	$setup_tpl->pfp('out','admin_list');
	$setup_tpl->pfp('out','group_list');
	$setup_tpl->pfp('out','app_list');
	$setup_tpl->pfp('out','submit');
	$setup_tpl->pfp('out','footer');

	$GLOBALS['egw_setup']->html->show_footer();
?>
