'); } $config["user_can_update_info"] = true; $config["user_can_update_password"] = true; $config["admin_can_add_user"] = true; $config["admin_can_delete_user"] = true; $config["admin_can_disable_user"] = false; //currently not implemented $config["admin_can_make_admin"] = true; /** * process_user_login accepts $login and $pass and handles it according to current authentication scheme * * @param string $login * @param string $pass * * @return mixed False in case of error or invalid credentials, the username in case it's correct. */ function process_user_login ($login, $pass) { global $mysql_cache; // Connect to Database $sql = sprintf ("SELECT `id_user`, `password` FROM `tusuario` WHERE `id_user` = '%s'", $login); $row = get_db_row_sql ($sql); //Check that row exists, that password is not empty and that password is the same hash if ($row !== false && $row["password"] !== md5 ("") && $row["password"] == md5 ($pass)) { // Login OK // Nick could be uppercase or lowercase (select in MySQL // is not case sensitive) // We get DB nick to put in PHP Session variable, // to avoid problems with case-sensitive usernames. // Thanks to David Muñiz for Bug discovery :) return $row["id_user"]; } else { $mysql_cache["auth_error"] = "User not found in database or incorrect password"; } return false; } /** * Checks if a user is administrator. * * @param string User id. * * @return bool True is the user is admin */ function is_user_admin ($id_user) { /* This code below was here, but I don't understand WHY. This always returns TRUE ¿?¿? static $is_admin = -1; if ($is_admin !== -1) return $is_admin; */ $is_admin = (bool) get_db_value ('is_admin', 'tusuario', 'id_user', $id_user); return $is_admin; } /** * Get the user id field on a mixed structure. * * This function is needed to make auth system more compatible and independant. * * @param mixed User structure to get id. It might be a row returned from * tusuario or tusuario_perfil. If it's not a row, the int value is returned. * * @return int User id of the mixed parameter. */ function get_user_id ($user) { if (is_array ($user)){ if (isset ($user['id_user'])) return $user['id_user']; elseif (isset ($user['id_usuario'])) return $user['id_usuario']; else return false; } else { return $user; } } /** * Check is a user exists in the system * * @param mixed User id. * * @return bool True if the user exists. */ function is_user ($user) { $user = get_db_row ('tusuario', 'id_user', get_user_id ($user)); if (! $user) return false; return true; } /** * Gets the users real name * * @param mixed User id. * * @return string The users full name */ function get_user_fullname ($user) { return (string) get_db_value ('fullname', 'tusuario', 'id_user', get_user_id ($user)); } /** * Gets the users email * * @param mixed User id. * * @return string The users email address */ function get_user_email ($user) { return (string) get_db_value ('email', 'tusuario', 'id_user', get_user_id ($user)); } /** * Gets a Users info * * @param mixed User id * * @return mixed An array of users */ function get_user_info ($user) { return get_db_row ("tusuario", "id_user", get_user_id ($user)); } /** * Get a list of all users in an array [username] => array (userinfo) * We can't simplify this because some auth schemes (like LDAP) automatically (or it's at least cheaper to) return all the information * Functions like get_user_info allow selection of specifics (in functions_db) * * @param string Field to order by (id_user, fullname or registered) * * @return array An array of user information */ function get_users ($order = "fullname") { switch ($order) { case "id_user": case "registered": case "last_connect": case "fullname": break; default: $order = "fullname"; } $output = array(); $result = get_db_all_rows_in_table ("tusuario", $order); if ($result !== false) { foreach ($result as $row) { $output[$row["id_user"]] = $row; } } return $output; } /** * Sets the last login for a user * * @param string User id */ function process_user_contact ($id_user) { return process_sql_update ("tusuario", array ("last_connect" => get_system_time ()), array ("id_user" => $id_user)); } /** * Create a new user * * @return bool false */ function create_user ($id_user, $password, $user_info) { $values = $user_info; $values["id_user"] = $id_user; $values["password"] = md5 ($password); $values["last_connect"] = 0; $values["registered"] = get_system_time (); return (@process_sql_insert ("tusuario", $values)) !== false; } /** * Deletes the user * * @param string User id */ function delete_user ($id_user) { $sql = "DELETE FROM tusuario_perfil WHERE id_usuario = '".$id_user."'"; $result = process_sql ($sql); if ($result === false) { return false; } $sql = "DELETE FROM tusuario WHERE id_user = '".$id_user."'"; $result = process_sql ($sql); if ($result === false) { return false; } return true; } /** * Update the password in MD5 for user pass as id_user with * password in plain text. * * @param string user User ID * @param string password Password in plain text. * * @return mixed False in case of error or invalid values passed. Affected rows otherwise */ function update_user_password ($user, $password_new) { return process_sql_update ('tusuario', array ('password' => md5 ($password_new)), array ('id_user' => $user)); } /** * Update the data of a user that user is choose with * id_user. * * @param string user User ID * @param array values Associative array with index as name of field and content. * * @return mixed False in case of error or invalid values passed. Affected rows otherwise */ function update_user ($id_user, $values) { if (! is_array ($values)) return false; return process_sql_update ("tusuario", $values, array ("id_user" => $id_user)); } //Reference the global use authorization error to last auth error. $config["auth_error"] = &$mysql_cache["auth_error"]; ?>