liam-linux-account-manager/model/userdirectory.php
2021-11-16 15:11:32 +01:00

136 lines
4.0 KiB
PHP

<?php
/**
* Class for reading/writing to the list of User objects in the database.
*/
class UserDirectory extends DBDirectory {
/**
* LDAP connection object
*/
private $ldap;
/**
* Avoid making multiple LDAP lookups on the same person by caching their details here
*/
private $cache_uid;
public function __construct() {
parent::__construct();
global $ldap;
$this->ldap = $ldap;
$this->cache_uid = array();
}
/**
* Create the new user in the database.
* @param User $user object to add
*/
public function add_user(User $user) {
$user_id = $user->uid;
$user_name = $user->name;
$user_active = $user->active;
$user_admin = $user->admin;
$user_email = $user->email;
$stmt = $this->database->prepare("INSERT INTO entity SET type = 'user'");
$stmt->execute();
$user->entity_id = $stmt->insert_id;
$stmt = $this->database->prepare("INSERT INTO user SET entity_id = ?, uid = ?, name = ?, email = ?, active = ?, admin = ?");
$stmt->bind_param('dsssdd', $user->entity_id, $user_id, $user_name, $user_email, $user_active, $user_admin);
$stmt->execute();
$stmt->close();
}
/**
* Get a user from the database by its entity ID.
* @param int $entity_id of user
* @return User with specified entity ID
* @throws UserNotFoundException if no user with that entity ID exists
*/
public function get_user_by_id($id) {
$stmt = $this->database->prepare("SELECT * FROM user WHERE entity_id = ?");
$stmt->bind_param('d', $id);
$stmt->execute();
$result = $stmt->get_result();
if($row = $result->fetch_assoc()) {
$user = new User($row['entity_id'], $row);
} else {
throw new UserNotFoundException('User does not exist.');
}
$stmt->close();
return $user;
}
/**
* Get a user from the database by its uid. If it does not exist in the database, retrieve it
* from LDAP and store in the database.
* @param string $uid of user
* @param bool $login true if getting user as part of login process
* @return User with specified entity uid
* @throws UserNotFoundException if no user with that uid exists
*/
public function get_user_by_uid($uid, $login = false) {
if(isset($this->cache_uid[$uid])) {
return $this->cache_uid[$uid];
}
$stmt = $this->database->prepare("SELECT * FROM user WHERE uid = ?");
$stmt->bind_param('s', $uid);
$stmt->execute();
$result = $stmt->get_result();
if($row = $result->fetch_assoc()) {
$user = new User($row['entity_id'], $row);
$this->cache_uid[$uid] = $user;
} else {
$user = new User;
$user->uid = $uid;
$this->cache_uid[$uid] = $user;
$user->get_details_from_ldap($login);
}
$stmt->close();
return $user;
}
/**
* List all users in the database.
* @param array $include list of extra data to include in response - currently unused
* @param array $filter list of field/value pairs to filter results on
* @return array of User objects
*/
public function list_users($include = array(), $filter = array()) {
// WARNING: The search query is not parameterized - be sure to properly escape all input
$fields = array("user.*");
$joins = array();
$where = array();
foreach($filter as $field => $value) {
if($value) {
switch($field) {
case 'uid':
$where[] = "uid = '".$this->database->escape_string($value)."'";
break;
case 'name':
$where[] = "name = '".$this->database->escape_string($value)."'";
break;
case 'admins_servers':
$joins[] = "INNER JOIN server_admin ON server_admin.entity_id = user.entity_id";
$joins[] = "INNER JOIN server ON server.id = server_admin.server_id AND server.key_management <> 'decommissioned'";
break;
}
}
}
$stmt = $this->database->prepare("
SELECT ".implode(", ", $fields)."
FROM user ".implode(" ", $joins)."
".(count($where) == 0 ? "" : "WHERE (".implode(") AND (", $where).")")."
GROUP BY user.entity_id
ORDER BY user.uid
");
$stmt->execute();
$result = $stmt->get_result();
$users = array();
while($row = $result->fetch_assoc()) {
$users[] = new User($row['entity_id'], $row);
}
return $users;
}
}
class UserNotFoundException extends Exception {}