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Handler.php
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/
Handler.php
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<?php
/**
* Management of members
*
* @copyright http://www.impresscms.org/ The ImpressCMS Project
* @license LICENSE.txt
* @category ICMS
* @package Member
* @author modified by UnderDog <underdog@impresscms.org>
* @version SVN: $Id: Handler.php 11889 2012-08-06 15:40:12Z m0nty $
*/
defined('ICMS_ROOT_PATH') or die('ImpressCMS root path not defined');
/**
* Member handler class.
* This class provides simple interface (a facade class) for handling groups/users/
* membership data.
*
*
* @author Kazumi Ono <onokazu@xoops.org>
* @category ICMS
* @package Member
*/
class icms_member_Handler {
/**#@+
* holds reference to group handler(DAO) class
* @access private
*/
private $_gHandler;
/**
* holds reference to user handler(DAO) class
*/
private $_uHandler;
/**
* holds reference to membership handler(DAO) class
*/
private $_mHandler;
/**
* holds temporary user objects
*/
private $_members = array();
/**#@-*/
protected $db;
/**
* constructor
*
*/
public function __construct(&$db) {
$this->_gHandler = new icms_member_group_Handler($db);
$this->_uHandler = new icms_member_user_Handler($db);
$this->_mHandler = new icms_member_group_membership_Handler($db);
$this->db = &$db;
}
/**
* create a new group
*
* @return object icms_member_group_Object {@link icms_member_group_Object} reference to the new group
*/
public function &createGroup(&$isNew = TRUE) {
$inst = & $this->_gHandler->create();
return $inst;
}
/**
* create a new user
*
* @return object icms_member_user_Object {@link icms_member_user_Object} reference to the new user
*/
public function &createUser(&$isNew = TRUE) {
$inst = & $this->_uHandler->create();
return $inst;
}
/**
* retrieve a group
*
* @param int $id ID for the group
* @return object icms_member_group_Object {@link icms_member_group_Object} reference to the group
*/
public function getGroup($id) {
return $this->_gHandler->get($id);
}
/**
* retrieve a user
*
* @param int $id ID for the user
* @return object icms_member_user_Object {@link icms_member_user_Object} reference to the user
*/
public function &getUser($id) {
if (! isset($this->_members[$id])) {
$this->_members[$id] = & $this->_uHandler->get($id);
}
return $this->_members[$id];
}
/**
* delete a group
*
* @param object $group {@link icms_member_group_Object} reference to the group to delete
* @return bool FALSE if failed
*/
public function deleteGroup(&$group) {
$this->_gHandler->delete($group);
$this->_mHandler->deleteAll(new icms_db_criteria_Item('groupid', $group->getVar('groupid')));
return true;
}
/**
* delete a user
*
* @param object $user {@link icms_member_user_Object} reference to the user to delete
* @return bool FALSE if failed
*/
public function deleteUser(&$user) {
$this->_uHandler->delete($user);
$this->_mHandler->deleteAll(new icms_db_criteria_Item('uid', $user->getVar('uid')));
return true;
}
/**
* insert a group into the database
*
* @param object $group {@link icms_member_group_Object} reference to the group to insert
* @return bool TRUE if already in database and unchanged
* FALSE on failure
*/
public function insertGroup(&$group) {
return $this->_gHandler->insert($group);
}
/**
* insert a user into the database
*
* @param object $user {@link icms_member_user_Object} reference to the user to insert
* @return bool TRUE if already in database and unchanged
* FALSE on failure
*/
public function insertUser(&$user, $force = false) {
return $this->_uHandler->insert($user, $force);
}
/**
* retrieve groups from the database
*
* @param object $criteria {@link icms_db_criteria_Element}
* @param bool $id_as_key use the group's ID as key for the array?
* @return array array of {@link icms_member_group_Object} objects
*/
public function getGroups($criteria = null, $id_as_key = false) {
return $this->_gHandler->getObjects($criteria, $id_as_key);
}
/**
* retrieve users from the database
*
* @param object $criteria {@link icms_db_criteria_Element}
* @param bool $id_as_key use the group's ID as key for the array?
* @return array array of {@link icms_member_user_Object} objects
*/
public function getUsers($criteria = null, $id_as_key = false) {
return $this->_uHandler->getObjects($criteria, $id_as_key);
}
/**
* get a list of groupnames and their IDs
*
* @param object $criteria {@link icms_db_criteria_Element} object
* @return array associative array of group-IDs and names
*/
public function getGroupList($criteria = null) {
$groups = $this->_gHandler->getObjects($criteria, true);
$ret = array();
foreach (array_keys($groups) as $i) {
$ret[$i] = $groups[$i]->getVar('name');
}
return $ret;
}
/**
* get a list of usernames and their IDs
*
* @param object $criteria {@link icms_db_criteria_Element} object
* @return array associative array of user-IDs and names
*/
public function getUserList($criteria = null) {
$users = $this->_uHandler->getObjects($criteria, true);
$ret = array();
foreach (array_keys($users) as $i) {
$ret[$i] = $users[$i]->getVar('uname');
}
return $ret;
}
/**
* add a user to a group
*
* @param int $group_id ID of the group
* @param int $user_id ID of the user
* @return object icms_member_group_membership_Object {@link icms_member_group_membership_Object}
*/
public function addUserToGroup($group_id, $user_id) {
$mship =& $this->_mHandler->create();
$mship->setVar('groupid', $group_id);
$mship->setVar('uid', $user_id);
return $this->_mHandler->insert($mship);
}
/**
* remove a list of users from a group
*
* @param int $group_id ID of the group
* @param array $user_ids array of user-IDs
* @return bool success?
*/
public function removeUsersFromGroup($group_id, $user_ids = array()) {
$criteria = new icms_db_criteria_Compo();
$criteria->add(new icms_db_criteria_Item('groupid', $group_id));
$criteria2 = new icms_db_criteria_Compo();
foreach ($user_ids as $uid) {
$criteria2->add(new icms_db_criteria_Item('uid', $uid), 'OR');
}
$criteria->add($criteria2);
return $this->_mHandler->deleteAll($criteria);
}
/**
* get a list of users belonging to a group
*
* @param int $group_id ID of the group
* @param bool $asobject return the users as objects?
* @param int $limit number of users to return
* @param int $start index of the first user to return
* @return array Array of {@link icms_member_user_Object} objects (if $asobject is TRUE)
* or of associative arrays matching the record structure in the database.
*/
public function getUsersByGroup($group_id, $asobject = false, $limit = 0, $start = 0) {
$user_ids = $this->_mHandler->getUsersByGroup($group_id, $limit, $start);
if (! $asobject) {
return $user_ids;
} else {
$ret = array();
foreach ($user_ids as $u_id) {
$user =& $this->getUser($u_id);
if (is_object($user)) {
$ret[] =& $user;
}
unset($user);
}
return $ret;
}
}
/**
* get a list of groups that a user is member of
*
* @param int $user_id ID of the user
* @param bool $asobject return groups as {@link icms_member_group_Object} objects or arrays?
* @return array array of objects or arrays
*/
public function getGroupsByUser($user_id, $asobject = false) {
$group_ids = $this->_mHandler->getGroupsByUser($user_id);
if (! $asobject) {
return $group_ids;
} else {
foreach ($group_ids as $g_id) {
$ret[] =& $this->getGroup($g_id);
}
return $ret;
}
}
public function icms_getLoginFromUserEmail($email = '') {
$table = new icms_db_legacy_updater_Table('users');
if ($email !== '') {
if ($table->fieldExists('loginname')) {
$sql = icms::$xoopsDB->query("SELECT loginname, email FROM " . icms::$xoopsDB->prefix('users')
. " WHERE email = '" . @htmlspecialchars($email, ENT_QUOTES, _CHARSET) . "'");
} elseif ($table->fieldExists('login_name')) {
$sql = icms::$xoopsDB->query("SELECT login_name, email FROM " . icms::$xoopsDB->prefix('users')
. " WHERE email = '" . @htmlspecialchars($email, ENT_QUOTES, _CHARSET) . "'");
}
list($uname, $email) = icms::$xoopsDB->fetchRow($sql);
} else {
redirect_header('user.php', 2, _US_SORRYNOTFOUND);
}
return $uname;
}
/**
* log in a user
* @param string $uname username as entered in the login form
* @param string $pwd password entered in the login form
* @return object icms_member_user_Object {@link icms_member_user_Object} reference to the logged in user. FALSE if failed to log in
*/
public function loginUser($uname, $pwd) {
$icmspass = new icms_core_Password();
if (strstr($uname, '@')) {
$uname = self::icms_getLoginFromUserEmail($uname);
}
/* $is_expired = $icmspass->passExpired($uname);
if ($is_expired == 1) {
redirect_header(ICMS_URL . '/user.php?op=resetpass&uname=' . $uname, 5, _US_PASSEXPIRED, false);
} */
$pwd = $icmspass->verifyPass($pwd, $uname);
$table = new icms_db_legacy_updater_Table('users');
if ($table->fieldExists('loginname')) {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('loginname', $uname));
} elseif ($table->fieldExists('login_name')) {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('login_name', $uname));
} else {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('uname', $uname));
}
$criteria->add(new icms_db_criteria_Item('pass', $pwd));
$user = $this->_uHandler->getObjects($criteria, false);
if (!$user || count($user) != 1) {
$user = false;
return $user;
}
return $user[0];
}
/**
* logs in a user with an md5 encrypted password
*
* @param string $uname username
* @param string $md5pwd password encrypted with md5
* @return object icms_member_user_Object {@link icms_member_user_Object} reference to the logged in user. FALSE if failed to log in
*/
/* function &loginUserMd5($uname, $md5pwd) {
$table = new icms_db_legacy_updater_Table('users');
if ($table->fieldExists('loginname')) {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('loginname', $uname));
} elseif ($table->fieldExists('login_name')) {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('login_name', $uname));
} else {
$criteria = new icms_db_criteria_Compo(new icms_db_criteria_Item('uname', $uname));
}
$criteria->add(new icms_db_criteria_Item('pass', $md5pwd));
$user = $this->_uHandler->getObjects($criteria, false);
if (! $user || count($user) != 1) {
$user = false;
return $user;
}
return $user [0];
} */
/**
* count users matching certain conditions
*
* @param object $criteria {@link icms_db_criteria_Element} object
* @return int
*/
public function getUserCount($criteria = null) {
return $this->_uHandler->getCount($criteria);
}
/**
* count users belonging to a group
*
* @param int $group_id ID of the group
* @return int
*/
public function getUserCountByGroup($group_id) {
return $this->_mHandler->getCount(new icms_db_criteria_Item('groupid', $group_id));
}
/**
* updates a single field in a users record
*
* @param object $user {@link icms_member_user_Object} reference to the {@link icms_member_user_Object} object
* @param string $fieldName name of the field to update
* @param string $fieldValue updated value for the field
* @return bool TRUE if success or unchanged, FALSE on failure
*/
public function updateUserByField(&$user, $fieldName, $fieldValue) {
$user->setVar($fieldName, $fieldValue);
return $this->insertUser($user);
}
/**
* updates a single field in a users record
*
* @param string $fieldName name of the field to update
* @param string $fieldValue updated value for the field
* @param object $criteria {@link icms_db_criteria_Element} object
* @return bool TRUE if success or unchanged, FALSE on failure
*/
public function updateUsersByField($fieldName, $fieldValue, $criteria = null) {
return $this->_uHandler->updateAll($fieldName, $fieldValue, $criteria);
}
/**
* activate a user
*
* @param object $user {@link icms_member_user_Object} reference to the object
* @return bool successful?
*/
public function activateUser(&$user) {
if ($user->getVar('level') != 0) {
return true;
}
$user->setVar('level', 1);
return $this->_uHandler->insert($user, true);
}
/**
* Get a list of users belonging to certain groups and matching criteria
* Temporary solution
*
* @param int $groups IDs of groups
* @param object $criteria {@link icms_db_criteria_Element} object
* @param bool $asobject return the users as objects?
* @param bool $id_as_key use the UID as key for the array if $asobject is TRUE
* @return array Array of {@link icms_member_user_Object} objects (if $asobject is TRUE)
* or of associative arrays matching the record structure in the database.
*/
public function getUsersByGroupLink($groups, $criteria = null, $asobject = false, $id_as_key = false) {
$ret = array();
$select = $asobject ? "u.*" : "u.uid";
$sql[] = " SELECT DISTINCT {$select} "
. " FROM " . icms::$xoopsDB->prefix("users") . " AS u"
. " LEFT JOIN " . icms::$xoopsDB->prefix("groups_users_link") . " AS m ON m.uid = u.uid"
. " WHERE 1 = '1'";
if (! empty($groups)) {
$sql[] = "m.groupid IN (" . implode(", ", $groups) . ")";
}
$limit = $start = 0;
if (isset($criteria) && is_subclass_of($criteria, 'icms_db_criteria_Element')) {
$sql_criteria = $criteria->render();
if ($criteria->getSort() != '') {
$sql_criteria .= ' ORDER BY ' . $criteria->getSort() . ' ' . $criteria->getOrder();
}
$limit = $criteria->getLimit();
$start = $criteria->getStart();
if ($sql_criteria) {
$sql[] = $sql_criteria;
}
}
$sql_string = implode(" AND ", array_filter($sql));
if (! $result =icms::$xoopsDB->query($sql_string, $limit, $start)) {
return $ret;
}
while ($myrow = icms::$xoopsDB->fetchArray($result)) {
if ($asobject) {
$user = new icms_member_user_Object();
$user->assignVars($myrow);
if (! $id_as_key) {
$ret[] =& $user;
} else {
$ret[$myrow['uid']] =& $user;
}
unset($user);
} else {
$ret[] = $myrow['uid'];
}
}
return $ret;
}
/**
* Get count of users belonging to certain groups and matching criteria
* Temporary solution
*
* @param array $groups IDs of groups
* @return int count of users
*/
public function getUserCountByGroupLink($groups, $criteria = null) {
$ret = 0;
$sql[] = " SELECT COUNT(DISTINCT u.uid) "
. " FROM " . icms::$xoopsDB->prefix("users") . " AS u"
. " LEFT JOIN " . icms::$xoopsDB->prefix("groups_users_link") . " AS m ON m.uid = u.uid"
. " WHERE 1 = '1'";
if (! empty($groups)) {
$sql[] = "m.groupid IN (" . implode(", ", $groups) . ")";
}
if (isset($criteria) && is_subclass_of($criteria, 'icms_db_criteria_Element')) {
$sql[] = $criteria->render();
}
$sql_string = implode(" AND ", array_filter($sql));
if (! $result = icms::$xoopsDB->query($sql_string)) {
return $ret;
}
list($ret) = icms::$xoopsDB->fetchRow($result);
return $ret;
}
/**
* Gets the usergroup with the most rights for a specific userid
*
* @param int $uid the userid to get the usergroup for
*
* @return int the best usergroup belonging to the userid
*/
public function getUserBestGroup($uid) {
$ret = ICMS_GROUP_ANONYMOUS;
$uid = (int) $uid;
$gperms = array();
if ($uid <= 0) {
return $ret;
}
$groups = $this->getGroupsByUser($uid);
if (in_array(ICMS_GROUP_ADMIN, $groups)) {
$ret = ICMS_GROUP_ADMIN;
} else {
foreach ($groups as $group) {
$sql = 'SELECT COUNT(gperm_id) as total FROM '
. icms::$xoopsDB->prefix("group_permission")
. ' WHERE gperm_groupid=' . $group;
if (! $result = icms::$xoopsDB->query($sql)) {
return $ret;
}
list($t) = icms::$xoopsDB->fetchRow($result);
$gperms[$group] = $t;
}
foreach ($gperms as $key => $val) {
if ($val == max($gperms)) {
$ret = $key;
break;
}
}
}
return $ret;
}
}