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-rw-r--r--apps/um/lib/Database.class.php403
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diff --git a/apps/um/lib/Database.class.php b/apps/um/lib/Database.class.php
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+<?php
+require_once('Singleton.class.php');
+require_once('Hasher.class.php');
+
+class Database extends Singleton {
+ private static $me = null;
+ private $conf;
+ private $mysql;
+ private $db_prefix;
+
+ public function __construct($conf_file) {
+ $this->conf = $conf_file;
+ self::$me = $this;
+ }
+ public static function getInstance() {
+ return self::$me;
+ }
+
+ // Low-Level SQL functions /////////////////////////////////////////////
+
+ private function mysql() {
+ if (!isset($this->mysql)) {
+ $this->mysql_init();
+ }
+ return $this->mysql;
+ }
+ private function mysql_init() {
+ global $db_config;
+ require($this->conf);
+ $this->mysql = mysql_connect($db_config['host'],
+ $db_config['user'],
+ $db_config['password']);
+ mysql_set_charset($db_config['charset'], $this->mysql);
+ mysql_select_db($db_config['name'], $this->mysql);
+ $this->db_prefix = $db_config['prefix'];
+ unset($db_config);
+ }
+ private function mysql_table($table_name) {
+ $mysql = $this->mysql();
+ $prefix = $this->db_prefix;
+ return $prefix.mysql_real_escape_string($table_name, $mysql);
+ }
+ private function mysql_escape($string) {
+ $mysql = $this->mysql();
+ return mysql_real_escape_string($string, $mysql);
+ }
+ private function mysql_query($query) {
+ $mysql = $this->mysql();
+ return mysql_query($query, $mysql);
+ }
+ public function mysql_error() {
+ $mysql = $this->mysql();
+ return mysql_error($mysql);
+ }
+
+ // High-Level SQL functions ////////////////////////////////////////////
+
+ // The 'auth' table
+
+ public function getUID($username) {
+ $t = $this->mysql_table('auth');
+ $v = $this->mysql_escape($username);
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE name='$v' ;";
+ $q = $this->mysql_query($query);
+ $user = mysql_fetch_array($q);
+ if (isset($user['uid'])) {
+ return (int)$user['uid'];
+ } else {
+ return false;
+ }
+ }
+ public function getUsername($uid) {
+ if (!is_int($uid)) return false;
+ $t = $this->mysql_table('auth');
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ $user = mysql_fetch_array($q);
+ if (isset($user['name'])) {
+ return $user['name'];
+ } else {
+ return false;
+ }
+ }
+ public function setUsername($uid, $username) {
+ if (!is_int($uid)) return false;
+ if ($this->getUID($username) !== false) {
+ return false;
+ }
+ $table = $this->mysql_table('auth');
+ $name = $this->mysql_escape($username);
+ $query =
+ "UPDATE $table \n".
+ "SET name='$name' \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+ public function getPasswordHash($uid) {
+ if (!is_int($uid)) return false;
+
+ $table = $this->mysql_table('auth');
+ $query =
+ "SELECT * \n".
+ "FROM $table \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ $user = mysql_fetch_array($q);
+ if (isset($user['hash'])) {
+ return $user['hash'];
+ } else {
+ return false;
+ }
+ }
+ public function setPassword($uid, $password) {
+ if (!is_int($uid)) return false;
+ $table = $this->mysql_table('auth');
+
+ $hasher = Hasher::getInstance();
+ @$hash = $hasher->hash($password);
+ $query =
+ "UPDATE $table \n".
+ "SET hash='$hash' \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+ public function addUser($username, $password) {
+ $user_exits = $this->getUID($username);
+ if ($user_exists) {
+ return false;
+ }
+
+ $table = $this->mysql_table('auth');
+ $user = $this->mysql_escape($username);
+ $hasher = Hasher::getInstance();
+ @$hash = $hasher->hash($password);
+ $status = 0;
+ $query =
+ "INSERT INTO $table ( name, hash , status) \n".
+ "VALUES ('$user', '$hash', $status) ;";
+ $this->mysql_query($query);
+ $uid = $this->getUID($username);
+ return $uid;
+ }
+ public function getStatus($uid) {
+ if (!is_int($uid)) return false;
+ $table = $this->mysql_table('auth');
+ $query =
+ "SELECT * \n".
+ "FROM $table \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ $user = mysql_fetch_array($q);
+ if (isset($user['status'])) {
+ return (int)$user['status'];
+ } else {
+ return false;
+ }
+ }
+ public function setStatus($uid, $status) {
+ if (!is_int($uid)) return false;
+ $table = $this->mysql_table('auth');
+ $s = $this->mysql_escape($status);
+ $query =
+ "UPDATE $table \n".
+ "SET status=$s \n".
+ "WHERE uid=$uid ;";
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+ public function countUsers() {
+ $table = $this->mysql_table('auth');
+ $query = "SELECT COUNT(*) FROM $table;";
+ $q = $this->mysql_query($query);
+ $row = mysql_fetch_array($q);
+ $count = $row[0];
+ return $count;
+ }
+ public function listGroups() {
+ $table = $this->mysql_table('auth');
+ $query =
+ "SELECT uid \n".
+ "FROM $table \n".
+ "WHERE status=3 ;";
+ $q = $this->mysql_query($query);
+ $groups = array();
+ while (($row = mysql_fetch_array($q)) !==false) {
+ $groups[] = (int)$row[0];
+ }
+ return $groups;
+ }
+ public function listGroupNames() {
+ $table = $this->mysql_table('auth');
+ $query =
+ "SELECT name \n".
+ "FROM $table \n".
+ "WHERE status=3 ;";
+ $q = $this->mysql_query($query);
+ $groups = array();
+ while (($row = mysql_fetch_array($q)) !==false) {
+ $groups[] = $row[0].'';
+ }
+ return $groups;
+ }
+ public function listUsers() {
+ $table = $this->mysql_table('auth');
+ $query =
+ "SELECT uid \n".
+ "FROM $table \n".
+ "WHERE status < 3 ;";
+ $q = $this->mysql_query($query);
+ $users = array();
+ while (($row = mysql_fetch_array($q)) !==false) {
+ $users[] = (int)$row[0];
+ }
+ return $users;
+ }
+
+ // The 'users' table
+
+ public function findUser($setting, $value) {
+ $t = $this->mysql_table('users');
+ $k = $this->mysql_escape($setting);
+ $v = $this->mysql_escape($value);
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE k = '$k' \n".
+ "AND UPPER(v)=UPPER('$v') ;";
+ $q = $this->mysql_query($query);
+ $user = mysql_fetch_array($q);
+ if (isset($user['uid'])) {
+ return $user['uid'];
+ } else {
+ return false;
+ }
+ }
+ public function getUserConf($uid, $setting) {
+ if (!is_int($uid)) return false;
+ $t = $this->mysql_table('users');
+ $k = $this->mysql_escape($setting);
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE k='$k' \n".
+ "AND uid=$uid ;";
+ $q = $this->mysql_query($query);
+ $row = mysql_fetch_array($q);
+ if (isset($row['v'])) {
+ return $row['v'];
+ } else {
+ return false;
+ }
+ }
+ public function setUserConf($uid, $setting, $value) {
+ if (!is_int($uid)) return false;
+ $isset = ($this->getUserConf($uid, $setting) !== false);
+ $t = $this->mysql_table('users');
+ $k = $this->mysql_escape($setting);
+ $v = $this->mysql_escape($value);
+ if ($isset) {
+ $query =
+ "UPDATE $t \n".
+ "SET v = '$v' \n".
+ "WHERE k = '$k' \n".
+ "AND uid = $uid ;";
+ } else {
+ $query =
+ "INSERT INTO $t ( uid, k , v ) \n".
+ "VALUES ($uid, '$k', '$v') ;";
+ }
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+ public function getUsersInGroup($groupname) {
+ $table = $this->mysql_table('users');
+ $group = $this->mysql_escape($groupname);
+ $query =
+ "SELECT uid \n".
+ "FROM $table \n".
+ "WHERE k='groups' \n".
+ "AND v LIKE '%,$group,%' ;";
+ $q = $this->mysql_query($query);
+ $users = array();
+ while (($row = mysql_fetch_array($q)) !==false) {
+ $users[] = $row[0];
+ }
+ return $users;
+ }
+
+ // The 'plugins' table
+
+ public function getPluginConf($plugin, $key) {
+ $t = $this->mysql_table('plugins');
+ $p = $this->mysql_escape($plugin);
+ $k = $this->mysql_escape($key);
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE k='$k' \n".
+ "AND plugin='$p' ;";
+ $q = $this->mysql_query($query);
+ $row = mysql_fetch_array($q);
+ if (isset($row['v'])) {
+ return $row['v'];
+ } else {
+ return false;
+ }
+ }
+ public function setPluginConf($plugin, $key, $value) {
+ $isset = ($this->getPluginConf($plugin, $key) !== false);
+ $t = $this->mysql_table('plugins');
+ $p = $this->mysql_escape($plugin);
+ $k = $this->mysql_escape($key);
+ $v = $this->mysql_escape($value);
+ if ($isset) {
+ $query =
+ "UPDATE $t \n".
+ "SET v = '$v' \n".
+ "WHERE k = '$k' \n".
+ "AND plugin = '$p' ;";
+ } else {
+ $query =
+ "INSERT INTO $t (plugin, k , v ) \n".
+ "VALUES ('$p' , '$k', '$v') ;";
+ }
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+
+ // The 'conf' table
+
+ public function getSysConf($key) {
+ $t = $this->mysql_table('conf');
+ $k = $this->mysql_escape($key);
+ $query =
+ "SELECT * \n".
+ "FROM $t \n".
+ "WHERE k='$k' ;";
+ $q = $this->mysql_query($query);
+ $row = mysql_fetch_array($q);
+ if (isset($row['v'])) {
+ return $row['v'];
+ } else {
+ return false;
+ }
+ }
+ public function setSysConf($key, $value) {
+ $isset = ($this->getSysConf($key) !== false);
+ $t = $this->mysql_table('conf');
+ $k = $this->mysql_escape($key);
+ $v = $this->mysql_escape($value);
+ if ($isset) {
+ $query =
+ "UPDATE $t \n".
+ "SET v = '$v' \n".
+ "WHERE k = '$k' ;";
+ } else {
+ $query =
+ "INSERT INTO $t ( k , v ) \n".
+ "VALUES ('$k', '$v') ;";
+ }
+ $q = $this->mysql_query($query);
+ return ($q?true:false);
+ }
+
+ /**
+ * Strip out empty group names and duplicates, sort.
+ */
+ private static function sanitizeArray($in) {
+ $out = array();
+ foreach ($in as $item) {
+ if (($item !== '')&&(!in_array($item, $out))) {
+ $out[] = $item;
+ }
+ }
+ natsort($out);
+ return $out;
+ }
+ /**
+ * Translate an array into a value suitable to be stored into a
+ * key-value store in the database.
+ */
+ public static function arrayToValue($list) {
+ $out_list = self::sanitizeArray($list);
+ return ','.implode(',', $out_list).',';
+ }
+ /**
+ * Translate a value from arrayToValue() back into an array.
+ */
+ public static function valueToArray($value) {
+ $raw_list = explode(',', $value);
+ $out_list = self::sanitizeArray($raw_list);
+ return $out_list;
+ }
+
+}
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