1958ddd8e1
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@176 b3834d28-1941-0410-a4f8-b48e95affb8f
571 lines
17 KiB
PHP
571 lines
17 KiB
PHP
<?php
|
|
class UserService {
|
|
var $db;
|
|
var $fields = array(
|
|
'primary' => 'uId',
|
|
'username' => 'username',
|
|
'password' => 'password');
|
|
var $profileurl;
|
|
var $tablename;
|
|
var $sessionkey;
|
|
var $cookiekey;
|
|
var $cookietime = 1209600; // 2 weeks
|
|
|
|
function &getInstance(&$db) {
|
|
static $instance;
|
|
if (!isset($instance))
|
|
$instance =& new UserService($db);
|
|
return $instance;
|
|
}
|
|
|
|
function UserService(& $db) {
|
|
$this->db =& $db;
|
|
$this->tablename = $GLOBALS['tableprefix'] .'users';
|
|
$this->sessionkey = INSTALLATION_ID.'-currentuserid';
|
|
$this->cookiekey = INSTALLATION_ID.'-login';
|
|
$this->profileurl = createURL('profile', '%2$s');
|
|
}
|
|
|
|
function _checkdns($host) {
|
|
if (function_exists('checkdnsrr')) {
|
|
return checkdnsrr($host);
|
|
} else {
|
|
return $this->_checkdnsrr($host);
|
|
}
|
|
}
|
|
|
|
function _checkdnsrr($host, $type = "MX") {
|
|
if(!empty($host)) {
|
|
@exec("nslookup -type=$type $host", $output);
|
|
while(list($k, $line) = each($output)) {
|
|
if(eregi("^$host", $line)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function _getuser($fieldname, $value) {
|
|
$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"';
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
if ($row =& $this->db->sql_fetchrow($dbresult))
|
|
return $row;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
function & getUsers($nb=0) {
|
|
$query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
|
|
if($nb>0) {
|
|
$query .= ' LIMIT 0, '.$nb;
|
|
}
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
while ($row = & $this->db->sql_fetchrow($dbresult)) {
|
|
$users[] = $row;
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
function & getObjectUsers($nb=0) {
|
|
$query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
|
|
if($nb>0) {
|
|
$query .= ' LIMIT 0, '.$nb;
|
|
}
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
while ($row = & $this->db->sql_fetchrow($dbresult)) {
|
|
$users[] = new User($row[$this->getFieldName('primary')], $row[$this->getFieldName('username')]);
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
function _randompassword() {
|
|
$seed = (integer) md5(microtime());
|
|
mt_srand($seed);
|
|
$password = mt_rand(1, 99999999);
|
|
$password = substr(md5($password), mt_rand(0, 19), mt_rand(6, 12));
|
|
return $password;
|
|
}
|
|
|
|
function _updateuser($uId, $fieldname, $value) {
|
|
$updates = array ($fieldname => $value);
|
|
$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
|
|
|
|
// Execute the statement.
|
|
$this->db->sql_transaction('begin');
|
|
if (!($dbresult = & $this->db->sql_query($sql))) {
|
|
$this->db->sql_transaction('rollback');
|
|
message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
|
|
return false;
|
|
}
|
|
$this->db->sql_transaction('commit');
|
|
|
|
// Everything worked out, so return true.
|
|
return true;
|
|
}
|
|
|
|
function getProfileUrl($id, $username) {
|
|
return sprintf($this->profileurl, urlencode($id), urlencode($username));
|
|
}
|
|
|
|
function getUserByUsername($username) {
|
|
return $this->_getuser($this->getFieldName('username'), $username);
|
|
}
|
|
|
|
function getObjectUserByUsername($username) {
|
|
$user = $this->_getuser($this->getFieldName('username'), $username);
|
|
return new User($user[$this->getFieldName('primary')], $username);
|
|
}
|
|
|
|
function getUser($id) {
|
|
return $this->_getuser($this->getFieldName('primary'), $id);
|
|
}
|
|
|
|
// Momentary useful in order to go to object code
|
|
function getObjectUser($id) {
|
|
$user = $this->_getuser($this->getFieldName('primary'), $id);
|
|
return new User($id, $user[$this->getFieldName('username')]);
|
|
}
|
|
|
|
function isLoggedOn() {
|
|
return ($this->getCurrentUserId() !== false);
|
|
}
|
|
|
|
function &getCurrentUser($refresh = FALSE, $newval = NULL) {
|
|
static $currentuser;
|
|
if (!is_null($newval)) { //internal use only: reset currentuser
|
|
$currentuser = $newval;
|
|
} else if ($refresh || !isset($currentuser)) {
|
|
if ($id = $this->getCurrentUserId()) {
|
|
$currentuser = $this->getUser($id);
|
|
} else {
|
|
$currentuser = null;
|
|
}
|
|
}
|
|
return $currentuser;
|
|
}
|
|
|
|
// Momentary useful in order to go to object code
|
|
function getCurrentObjectUser($refresh = FALSE, $newval = NULL) {
|
|
static $currentObjectUser;
|
|
if (!is_null($newval)) { //internal use only: reset currentuser
|
|
$currentObjectUser = $newval;
|
|
} else if ($refresh || !isset($currentObjectUser)) {
|
|
if ($id = $this->getCurrentUserId()) {
|
|
$currentObjectUser = $this->getObjectUser($id);
|
|
} else {
|
|
$currentObjectUser = null;
|
|
}
|
|
}
|
|
return $currentObjectUser;
|
|
}
|
|
|
|
function existsUserWithUsername($username) {
|
|
if($this->getUserByUsername($username) != '') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function existsUser($id) {
|
|
if($this->getUser($id) != '') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function isAdmin($userid) {
|
|
$user = $this->getUser($userid);
|
|
|
|
if(isset($GLOBALS['admin_users'])
|
|
&& in_array($user['username'], $GLOBALS['admin_users'])) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* return current user id based on session or cookie */
|
|
function getCurrentUserId() {
|
|
if (isset($_SESSION[$this->getSessionKey()])) {
|
|
return $_SESSION[$this->getSessionKey()];
|
|
} else if (isset($_COOKIE[$this->getCookieKey()])) {
|
|
$cook = split(':', $_COOKIE[$this->getCookieKey()]);
|
|
//cookie looks like this: 'id:md5(username+password)'
|
|
$query = 'SELECT * FROM '. $this->getTableName() .
|
|
' WHERE MD5(CONCAT('.$this->getFieldName('username') .
|
|
', '.$this->getFieldName('password') .
|
|
')) = \''.$this->db->sql_escape($cook[1]).'\' AND '.
|
|
$this->getFieldName('primary'). ' = '. $this->db->sql_escape($cook[0]);
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
if ($row = $this->db->sql_fetchrow($dbresult)) {
|
|
$_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
|
|
return $_SESSION[$this->getSessionKey()];
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function login($username, $password, $remember = FALSE) {
|
|
$password = $this->sanitisePassword($password);
|
|
$query = 'SELECT '. $this->getFieldName('primary') .' FROM '. $this->getTableName() .' WHERE '. $this->getFieldName('username') .' = "'. $this->db->sql_escape($username) .'" AND '. $this->getFieldName('password') .' = "'. $this->db->sql_escape($password) .'"';
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
if ($row =& $this->db->sql_fetchrow($dbresult)) {
|
|
$id = $_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
|
|
if ($remember) {
|
|
$cookie = $id .':'. md5($username.$password);
|
|
setcookie($this->cookiekey, $cookie, time() + $this->cookietime, '/');
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function logout() {
|
|
@setcookie($this->getCookiekey(), '', time() - 1, '/');
|
|
unset($_COOKIE[$this->getCookiekey()]);
|
|
session_unset();
|
|
$this->getCurrentUser(TRUE, false);
|
|
}
|
|
|
|
function getWatchlist($uId) {
|
|
// Gets the list of user IDs being watched by the given user.
|
|
$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($uId);
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
$arrWatch = array();
|
|
if ($this->db->sql_numrows($dbresult) == 0)
|
|
return $arrWatch;
|
|
while ($row =& $this->db->sql_fetchrow($dbresult))
|
|
$arrWatch[] = $row['watched'];
|
|
return $arrWatch;
|
|
}
|
|
|
|
function getWatchNames($uId, $watchedby = false) {
|
|
// Gets the list of user names being watched by the given user.
|
|
// - If $watchedby is false get the list of users that $uId watches
|
|
// - If $watchedby is true get the list of users that watch $uId
|
|
if ($watchedby) {
|
|
$table1 = 'b';
|
|
$table2 = 'a';
|
|
} else {
|
|
$table1 = 'a';
|
|
$table2 = 'b';
|
|
}
|
|
$query = 'SELECT '. $table1 .'.'. $this->getFieldName('username') .' FROM '. $GLOBALS['tableprefix'] .'watched AS W, '. $this->getTableName() .' AS a, '. $this->getTableName() .' AS b WHERE W.watched = a.'. $this->getFieldName('primary') .' AND W.uId = b.'. $this->getFieldName('primary') .' AND '. $table2 .'.'. $this->getFieldName('primary') .' = '. intval($uId) .' ORDER BY '. $table1 .'.'. $this->getFieldName('username');
|
|
|
|
if (!($dbresult =& $this->db->sql_query($query))) {
|
|
message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
$arrWatch = array();
|
|
if ($this->db->sql_numrows($dbresult) == 0) {
|
|
return $arrWatch;
|
|
}
|
|
while ($row =& $this->db->sql_fetchrow($dbresult)) {
|
|
$arrWatch[] = $row[$this->getFieldName('username')];
|
|
}
|
|
return $arrWatch;
|
|
}
|
|
|
|
function getWatchStatus($watcheduser, $currentuser) {
|
|
// Returns true if the current user is watching the given user, and false otherwise.
|
|
$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched AS W INNER JOIN '. $this->getTableName() .' AS U ON U.'. $this->getFieldName('primary') .' = W.watched WHERE U.'. $this->getFieldName('primary') .' = '. intval($watcheduser) .' AND W.uId = '. intval($currentuser);
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get watchstatus', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
$arrWatch = array();
|
|
if ($this->db->sql_numrows($dbresult) == 0)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
function setWatchStatus($subjectUserID) {
|
|
if (!is_numeric($subjectUserID))
|
|
return false;
|
|
|
|
$currentUserID = $this->getCurrentUserId();
|
|
$watched = $this->getWatchStatus($subjectUserID, $currentUserID);
|
|
|
|
if ($watched) {
|
|
$sql = 'DELETE FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($currentUserID) .' AND watched = '. intval($subjectUserID);
|
|
if (!($dbresult =& $this->db->sql_query($sql))) {
|
|
$this->db->sql_transaction('rollback');
|
|
message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
|
|
return false;
|
|
}
|
|
} else {
|
|
$values = array(
|
|
'uId' => intval($currentUserID),
|
|
'watched' => intval($subjectUserID)
|
|
);
|
|
$sql = 'INSERT INTO '. $GLOBALS['tableprefix'] .'watched '. $this->db->sql_build_array('INSERT', $values);
|
|
if (!($dbresult =& $this->db->sql_query($sql))) {
|
|
$this->db->sql_transaction('rollback');
|
|
message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$this->db->sql_transaction('commit');
|
|
return true;
|
|
}
|
|
|
|
function addUser($username, $password, $email) {
|
|
// Set up the SQL UPDATE statement.
|
|
$datetime = gmdate('Y-m-d H:i:s', time());
|
|
$password = $this->sanitisePassword($password);
|
|
$values = array('username' => $username, 'password' => $password, 'email' => $email, 'uDatetime' => $datetime, 'uModified' => $datetime);
|
|
$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
|
|
|
|
// Execute the statement.
|
|
$this->db->sql_transaction('begin');
|
|
if (!($dbresult = & $this->db->sql_query($sql))) {
|
|
$this->db->sql_transaction('rollback');
|
|
message_die(GENERAL_ERROR, 'Could not insert user', '', __LINE__, __FILE__, $sql, $this->db);
|
|
return false;
|
|
}
|
|
$this->db->sql_transaction('commit');
|
|
|
|
// Everything worked out, so return true.
|
|
return true;
|
|
}
|
|
|
|
function updateUser($uId, $password, $name, $email, $homepage, $uContent) {
|
|
if (!is_numeric($uId))
|
|
return false;
|
|
|
|
// Set up the SQL UPDATE statement.
|
|
$moddatetime = gmdate('Y-m-d H:i:s', time());
|
|
if ($password == '')
|
|
$updates = array ('uModified' => $moddatetime, 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
|
|
else
|
|
$updates = array ('uModified' => $moddatetime, 'password' => $this->sanitisePassword($password), 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
|
|
$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
|
|
|
|
// Execute the statement.
|
|
$this->db->sql_transaction('begin');
|
|
if (!($dbresult = & $this->db->sql_query($sql))) {
|
|
$this->db->sql_transaction('rollback');
|
|
message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
|
|
return false;
|
|
}
|
|
$this->db->sql_transaction('commit');
|
|
|
|
// Everything worked out, so return true.
|
|
return true;
|
|
}
|
|
|
|
function getAllUsers ( ) {
|
|
$query = 'SELECT * FROM '. $this->getTableName();
|
|
|
|
if (! ($dbresult =& $this->db->sql_query($query)) ) {
|
|
message_die(GENERAL_ERROR, 'Could not get users', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
$rows = array();
|
|
|
|
while ( $row = $this->db->sql_fetchrow($dbresult) ) {
|
|
$rows[] = $row;
|
|
}
|
|
|
|
return $rows;
|
|
}
|
|
|
|
function deleteUser($uId) {
|
|
$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);
|
|
|
|
if (!($dbresult = & $this->db->sql_query($query))) {
|
|
message_die(GENERAL_ERROR, 'Could not delete user', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
function sanitisePassword($password) {
|
|
return sha1(trim($password));
|
|
}
|
|
|
|
function generatePassword($uId) {
|
|
if (!is_numeric($uId))
|
|
return false;
|
|
|
|
$password = $this->_randompassword();
|
|
|
|
if ($this->_updateuser($uId, $this->getFieldName('password'), $this->sanitisePassword($password)))
|
|
return $password;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
function isReserved($username) {
|
|
if (in_array($username, $GLOBALS['reservedusers'])) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function isValidUsername($username) {
|
|
if (strlen($username) > 24) {
|
|
// too long usernames are cut by database and may cause bugs when compared
|
|
return false;
|
|
} elseif (preg_match('/(\W)/', $username) > 0) {
|
|
// forbidden non-alphanumeric characters
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
function isValidEmail($email) {
|
|
if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$", $email)) {
|
|
list($emailUser, $emailDomain) = split("@", $email);
|
|
|
|
// Check if the email domain has a DNS record
|
|
//if ($this->_checkdns($emailDomain)) {
|
|
return true;
|
|
//}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Properties
|
|
function getTableName() { return $this->tablename; }
|
|
function setTableName($value) { $this->tablename = $value; }
|
|
|
|
function getFieldName($field) { return $this->fields[$field]; }
|
|
function setFieldName($field, $value) { $this->fields[$field] = $value; }
|
|
|
|
function getSessionKey() { return $this->sessionkey; }
|
|
function setSessionKey($value) { $this->sessionkey = $value; }
|
|
|
|
function getCookieKey() { return $this->cookiekey; }
|
|
function setCookieKey($value) { $this->cookiekey = $value; }
|
|
}
|
|
|
|
|
|
/* Defines a user. Rare fields are filled if required. */
|
|
class User {
|
|
|
|
var $id;
|
|
var $username;
|
|
var $name;
|
|
var $email;
|
|
var $homepage;
|
|
var $content;
|
|
var $datetime;
|
|
var $isAdmin;
|
|
|
|
function User($id, $username) {
|
|
$this->id = $id;
|
|
$this->username = $username;
|
|
}
|
|
|
|
function getId() {
|
|
return $this->id;
|
|
}
|
|
|
|
function getUsername() {
|
|
return $this->username;
|
|
}
|
|
|
|
function getName() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->name)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$user = $userservice->getUser($this->id);
|
|
$this->name = $user['name'];
|
|
}
|
|
return $this->name;
|
|
}
|
|
|
|
function getEmail() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->email)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$user = $userservice->getUser($this->id);
|
|
$this->email = $user['email'];
|
|
}
|
|
return $this->email;
|
|
}
|
|
|
|
function getHomepage() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->homepage)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$user = $userservice->getUser($this->id);
|
|
$this->homepage = $user['homepage'];
|
|
}
|
|
return $this->homepage;
|
|
}
|
|
|
|
function getContent() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->content)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$user = $userservice->getUser($this->id);
|
|
$this->content = $user['uContent'];
|
|
}
|
|
return $this->content;
|
|
}
|
|
|
|
function getDatetime() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->content)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$user = $userservice->getUser($this->id);
|
|
$this->datetime = $user['uDatetime'];
|
|
}
|
|
return $this->datetime;
|
|
}
|
|
|
|
function isAdmin() {
|
|
// Look for value only if not already set
|
|
if(!isset($this->isAdmin)) {
|
|
$userservice =& ServiceFactory::getServiceInstance('UserService');
|
|
$this->isAdmin = $userservice->isAdmin($this->id);
|
|
}
|
|
return $this->isAdmin;
|
|
}
|
|
}
|
|
?>
|