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diff --git a/includes/objects/README b/includes/objects/README
new file mode 100644
index 0000000..cbee680
--- /dev/null
+++ b/includes/objects/README
@@ -0,0 +1,3 @@
+This folder contains models you use in your applications.
+
+Some models ready to use in production are available on http://keruald.sf.net
\ No newline at end of file
diff --git a/includes/objects/user.php b/includes/objects/user.php
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--- /dev/null
+++ b/includes/objects/user.php
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+<?php
+
+/*
+ * Keruald, core libraries for Pluton and Xen engines.
+ * (c) 2010, Sébastien Santoro aka Dereckson, some rights reserved
+ * Released under BSD license
+ *
+ * User class
+ *
+ * 0.1 2010-02-27 20:51 DcK
+ *
+ * @package Zed
+ * @copyright Copyright (c) 2010, Dereckson
+ * @license Released under BSD license
+ * @version 0.1
+ *
+ */
+class User {
+
+ public $id;
+ public $name;
+ public $password;
+ public $active = 0;
+ public $email;
+ public $regdate;
+
+ /*
+ * Initializes a new instance
+ * @param int $id the primary key
+ */
+ function __construct ($id = null) {
+ if ($id) {
+ $this->id = $id;
+ $this->load_from_database();
+ }
+ }
+
+ /*
+ * Loads the object User (ie fill the properties) from the $_POST array
+ */
+ function load_from_form () {
+ if (array_key_exists('name', $_POST)) $this->name = $_POST['name'];
+ if (array_key_exists('password', $_POST)) $this->password = $_POST['password'];
+ if (array_key_exists('active', $_POST)) $this->active = $_POST['active'];
+ if (array_key_exists('actkey', $_POST)) $this->actkey = $_POST['actkey'];
+ if (array_key_exists('email', $_POST)) $this->email = $_POST['email'];
+ if (array_key_exists('regdate', $_POST)) $this->regdate = $_POST['regdate'];
+ }
+
+ /*
+ * Loads the object User (ie fill the properties) from the database
+ */
+ function load_from_database () {
+ global $db;
+ $sql = "SELECT * FROM " . TABLE_USERS . " WHERE user_id = '" . $this->id . "'";
+ if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query users", '', __LINE__, __FILE__, $sql);
+ if (!$row = $db->sql_fetchrow($result)) {
+ $this->lastError = "User unkwown: " . $this->id;
+ return false;
+ }
+
+ $this->load_from_row($row);
+
+ return true;
+ }
+
+ /*
+ * Loads the object User (ie fill the properties) from the database row
+ */
+ function load_from_row ($row) {
+ $this->id = $row['user_id'];
+ $this->name = $row['username'];
+ $this->password = $row['user_password'];
+ $this->active = $row['user_active'] ? true : false;
+ $this->email = $row['user_email'];
+ $this->regdate = $row['user_regdate'];
+ }
+
+ /*
+ * Saves to database
+ */
+ function save_to_database () {
+ global $db;
+
+ $id = $this->id ? "'" . $db->sql_escape($this->id) . "'" : 'NULL';
+ $name = $db->sql_escape($this->name);
+ $password = $db->sql_escape($this->password);
+ $active = $this->active ? 1 : 0;
+ $email = $db->sql_escape($this->email);
+ $regdate = $this->regdate ? "'" . $db->sql_escape($this->regdate) . "'" : 'NULL';
+
+ //Updates or inserts
+ $sql = "REPLACE INTO " . TABLE_USERS . " (`user_id`, `username`, `user_password`, `user_active`, `user_email`, `user_regdate`) VALUES ($id, '$name', '$password', $active, '$email', $regdate)";
+ if (!$db->sql_query($sql)) {
+ message_die(SQL_ERROR, "Unable to save users", '', __LINE__, __FILE__, $sql);
+ }
+
+ if (!$this->id) {
+ //Gets new record id value
+ $this->id = $db->sql_nextid();
+ }
+ }
+
+ /*
+ * Updates the specified field in the database record
+ */
+ function save_field ($field) {
+ global $db;
+ if (!$this->id) {
+ message_die(GENERAL_ERROR, "You're trying to update a record not yet saved in the database");
+ }
+ $id = $db->sql_escape($this->id);
+ $value = $db->sql_escape($this->$field);
+ $sql = "UPDATE " . TABLE_USERS . " SET `$field` = '$value' WHERE user_id = '$id'";
+ if (!$db->sql_query($sql)) {
+ message_die(SQL_ERROR, "Unable to save $field field", '', __LINE__, __FILE__, $sql);
+ }
+ }
+
+ /*
+ * Generates a unique user id
+ */
+ function generate_id () {
+ global $db;
+
+ do {
+ $this->id = mt_rand(2001, 9999);
+ $sql = "SELECT COUNT(*) FROM " . TABLE_USERS . " WHERE user_id = $this->id";
+ if (!$result = $db->sql_query($sql)) {
+ message_die(SQL_ERROR, "Can't check if a user id is free", '', __LINE__, __FILE__, $sql);
+ }
+ $row = $db->sql_fetchrow($result);
+ } while ($row[0]);
+ }
+
+ /*
+ * Fills password field with encrypted version
+ * of the specified clear password
+ */
+ public function set_password ($newpassword) {
+ $this->password = md5($newpassword);
+ }
+
+ /*
+ * Checks if a login is available
+ * @param string $login the login to check
+ * @return boolean true if the login is avaiable ; otherwise, false.
+ */
+ public static function is_available_login ($login) {
+ global $db;
+ $sql = "SELECT COUNT(*) FROM " . TABLE_USERS . " WHERE username = '$login'";
+ if (!$result = $db->sql_query($sql)) {
+ message_die(SQL_ERROR, "Can't check if the specified login is available", '', __LINE__, __FILE__, $sql);
+ }
+ $row = $db->sql_fetchrow($result);
+ return ($row[0] == 0);
+ }
+
+ /*
+ * Initializes a new User instance ready to have its property filled
+ * @return User the new user instance
+ */
+ public static function create () {
+ $user = new User();
+ $user->generate_id();
+ $user->active = true;
+ return $user;
+ }
+
+ /*
+ * Gets user from specified e-mail
+ * @return User the user matching the specified e-mail ; null, if the mail were not found.
+ */
+ public static function get_user_from_email ($mail) {
+ global $db;
+ $sql = "SELECT username FROM " . TABLE_USERS . " WHERE user_email = '$mail'";
+ if (!$result = $db->sql_query($sql)) {
+ message_die(SQL_ERROR, "Can't get user", '', __LINE__, __FILE__, $sql);
+ }
+
+ if ($row = $db->sql_fetchrow($result)) {
+ //E-mail found.
+ $user = new User();
+ $user->load_from_row($row);
+ return $user;
+ }
+
+ //E-mail not found.
+ return null;
+ }
+}
+
+?>
\ No newline at end of file
diff --git a/includes/session.php b/includes/session.php
index 4a0ffbb..756905c 100644
--- a/includes/session.php
+++ b/includes/session.php
@@ -1,248 +1,248 @@
<?php
/*
* Keruald, core libraries for Pluton and Xen engines.
* (c) 2010, Sébastien Santoro aka Dereckson, some rights reserved
* Released under BSD license
*
* Session
*
* 0.1 2010-02-26 18:06 DcK
*
* This class uses a singleton pattern, as we only need one single instance.
* Cf. http://www.php.net/manual/en/language.oop5.patterns.php
*
* @package Keruald
* @subpackage Keruald
* @copyright Copyright (c) 2010, Sébastien Santoro aka Dereckson
* @license Released under BSD license
* @version 0.1
*/
class Session {
/*
* @var Session current session instance
*/
private static $instance;
/*
* Gets or initializes current session instance
* @return Session current session instance
*/
public static function load () {
if (!isset(self::$instance)) {
//Creates new session instance
$c = __CLASS__;
self::$instance = new $c;
}
return self::$instance;
}
/*
* @var string session ID
*/
public $id;
/*
* @var string remote client IP
*/
public $ip;
/*
* Initializes a new instance of Session object
*/
private function __construct () {
//Starts PHP session, and gets id
session_start();
$_SESSION['ID'] = session_id();
$this->id = $_SESSION['ID'];
//Gets remote client IP
$this->ip = self::get_ip();
//Updates or creates the session in database
$this->update();
}
/*
* Gets remote client IP address
* @return string IP
*/
public static function get_ip () {
//mod_proxy + mod_rewrite (old pluton url scheme) will define 127.0.0.1
//in REMOTE_ADDR, and will store ip in HTTP_X_FORWARDED_FOR variable.
//Some ISP/orgz proxies also use this setting.
if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
return $_SERVER['HTTP_X_FORWARDED_FOR'];
}
//Standard cases
return $_SERVER['REMOTE_ADDR'];
}
/*
* Cleans up session
* i. deletes expired session
* ii. sets offline relevant sessions
*/
public static function clean_old_sessions () {
global $db, $Config;
//Gets session and online status lifetime (in seconds)
//If not specified in config, sets default 5 and 120 minutes values
$onlineDuration = array_key_exists('OnlineDuration', $Config) ? $Config['OnlineDuration'] : 300;
$sessionDuration = array_key_exists('SessionDuration', $Config) ? $Config['SessionDuration'] : 7200;
//Deletes expired sessions
$sql = "DELETE FROM " . TABLE_SESSIONS . " WHERE TIMESTAMPDIFF(SECOND, session_updated, NOW()) > $sessionDuration";
if (!$db->sql_query($sql)) message_die(SQL_ERROR, "Can't delete expired sessions", '', __LINE__, __FILE__, $sql);
//Online -> offline
$sql = "UPDATE " . TABLE_SESSIONS . " SET session_online = 0 WHERE TIMESTAMPDIFF(SECOND, session_updated, NOW()) > $onlineDuration";
if (!$db->sql_query($sql)) message_die(SQL_ERROR, 'Can\'t update sessions online statuses', '', __LINE__, __FILE__, $sql);
}
/*
* Updates or creates a session in the database
*/
public function update () {
global $db, $Config;
//Cleans up session
//To boost SQL performances, try a random trigger
// e.g. if (rand(1, 100) < 3) self::clean_old_sessions();
//or comment this line and execute a cron script you launch each minute.
self::clean_old_sessions();
//Saves session in database.
//If the session already exists, it updates the field online and updated.
$id = $db->sql_escape($this->id);
$resource = $db->sql_escape($Config['ResourceID']);
$user_id = $db->sql_escape(ANONYMOUS_USER);
$sql = "INSERT INTO " . TABLE_SESSIONS . " (session_id, session_ip, session_resource, user_id) VALUES ('$id', '$this->ip', '$resource', '$user_id') ON DUPLICATE KEY UPDATE session_online = 1";
if (!$db->sql_query($sql)) message_die(SQL_ERROR, 'Can\'t save current session', '', __LINE__, __FILE__, $sql);
}
/*
* Gets the number of online users
* @return int the online users count
*/
public function count_online () {
//Keeps result for later method call
static $count = -1;
if ($count == -1) {
//Queries sessions table
global $db, $Config;
$resource = $db->sql_escape($Config['ResourceID']);
$sql = "SELECT count(*) FROM " . TABLE_SESSIONS . " WHERE session_resource = '$resource' AND session_online = 1";
$count = (int)$db->sql_query_express($sql, "Can't count online users");
}
//Returns number of users online
return $count;
}
/*
* Gets the value of a custom session table field
* @param string $info the field to get
* @return string the session specified field's value
*/
public function get_info ($info) {
global $db;
$id = $db->sql_escape($this->id);
$sql = "SELECT `$info` FROM " . TABLE_SESSIONS . " WHERE session_id = '$id'";
return $db->sql_query_express($sql, "Can't get session $info info");
}
/*
* Sets the value of a custom session table field to the specified value
* @param string $info the field to update
* @param string $value the value to set
*/
public function set_info ($info, $value) {
global $db;
$value = ($value === null) ? 'NULL' : "'" . $db->sql_escape($value) . "'";
$id = $db->sql_escape($this->id);
$sql = "UPDATE " . TABLE_SESSIONS . " SET `$info` = $value WHERE session_id = '$id'";
if (!$db->sql_query($sql))
message_die(SQL_ERROR, "Can't set session $info info", '', __LINE__, __FILE__, $sql);
}
/*
* Gets logged user information
* @return User the logged user information
*/
public function get_logged_user () {
global $db;
//Gets session information
$id = $db->sql_escape($this->id);
$sql = "SELECT * FROM " . TABLE_SESSIONS . " WHERE session_id = '$id'";
if (!$result = $db->sql_query($sql))
message_die(SQL_ERROR, "Can't query session information", '', __LINE__, __FILE__, $sql);
$row = $db->sql_fetchrow($result);
//Gets user instance
- //require_once('includes/objects/user.php');
- //$user = new User($row['user_id']);
+ require_once('includes/objects/user.php');
+ $user = new User($row['user_id']);
//Adds session property to this user instance
$user->session = $row;
//Returns user instance
return $user;
}
/*
* Cleans session
* This method is to be called when an event implies a session destroy
*/
public function clean () {
//Destroies $_SESSION array values, help ID
foreach ($_SESSION as $key => $value) {
if ($key != 'ID') unset($_SESSION[$key]);
}
}
/*
* Updates the session in an user login context
* @param string $user_id the user ID
*/
public function user_login ($user_id) {
global $db;
//Sets specified user ID in sessions table
$user_id = $db->sql_escape($user_id);
$id = $db->sql_escape($this->id);
$sql = "UPDATE " . TABLE_SESSIONS . " SET user_id = '$user_id' WHERE session_id = '$id'";
if (!$db->sql_query($sql))
message_die(SQL_ERROR, "Can't set logged in status", '', __LINE__, __FILE__, $sql);
}
/*
* Updates the session in an user logout context
*/
public function user_logout () {
global $db;
//Sets anonymous user in sessions table
$user_id = $db->sql_escape(ANONYMOUS_USER);
$id = $db->sql_escape($this->id);
$sql = "UPDATE " . TABLE_SESSIONS . " SET user_id = '$user_id' WHERE session_id = '$id'";
if (!$db->sql_query($sql))
message_die(SQL_ERROR, "Can't set logged out status", '', __LINE__, __FILE__, $sql);
//Cleans session
$this->clean();
}
}
//The user_id matching anonymous user
if (!defined('ANONYMOUS_USER')) define('ANONYMOUS_USER', -1);
?>
\ No newline at end of file

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