/**
* Update User Password
* Updates the users password for current hash algorithm and stretch site settings.
* If not password is specified, a random password will be generated.
*
* @param string $password Password to encrypt
* @param int $uid User id to update
* @return int 0 for success, non-zero indicates error.
*/
function SEC_updateUserPassword(&$password = '', $uid = '')
{
global $_TABLES, $_CONF, $_USER;
// if no password is specified, generate a random one
if (empty($password)) {
$password = SEC_generateRandomPassword();
}
// if $uid is empty, assume current user
if (empty($uid)) {
$uid = $_USER['uid'];
}
// validate $uid nonempty and valid user (anonymous, uid = 1, not valid)
if (empty($uid) || $uid < 1) {
return -1;
}
// update the database with the new password using algorithm and stretch from $_CONF
$salt = SEC_generateSalt();
$newhash = SEC_encryptPassword($password, $salt, $_CONF['pass_alg'], $_CONF['pass_stretch']);
$query = 'UPDATE ' . $_TABLES['users'] . " SET passwd = '{$newhash}', " . "salt = '{$salt}', algorithm ='" . $_CONF['pass_alg'] . "', " . 'stretch = ' . $_CONF['pass_stretch'] . " WHERE uid = {$uid}";
DB_query($query);
// return success
return 0;
}
/**
* Saves user to the database
*
* @param int $uid user id
* @param string $usernmae (short) username
* @param string $fullname user's full name
* @param string $email user's email address
* @param string $regdate date the user registered with the site
* @param string $homepage user's homepage URL
* @param array $groups groups the user belongs to
* @param string $delete_photo delete user's photo if == 'on'
* @return string HTML redirect or error message
*
*/
function saveusers($uid, $username, $fullname, $passwd, $passwd_conf, $email, $regdate, $homepage, $groups, $delete_photo = '', $userstatus = 3, $oldstatus = 3)
{
global $_CONF, $_TABLES, $_USER, $LANG28, $_USER_VERBOSE;
$retval = '';
$userChanged = false;
if ($_USER_VERBOSE) {
COM_errorLog("**** entering saveusers****", 1);
COM_errorLog("group size at beginning = " . count($groups), 1);
}
$service = DB_getItem($_TABLES['users'], 'remoteservice', "uid = {$uid}");
// If remote service then assume blank password
if (!empty($service)) {
$passwd = '';
$passwd_conf = '';
}
$passwd_changed = true;
if (empty($service) && SEC_encryptUserPassword($passwd, $uid) === 0 && $passwd_conf === '') {
$passwd_changed = false;
}
if ($passwd_changed && $passwd != $passwd_conf) {
// passwords don't match
return edituser($uid, 67);
}
$nameAndEmailOkay = true;
if (empty($username)) {
$nameAndEmailOkay = false;
} elseif (empty($email)) {
if (empty($uid)) {
$nameAndEmailOkay = false;
// new users need an email address
} else {
if (empty($service)) {
$nameAndEmailOkay = false;
// not a remote user - needs email
}
}
}
if ($nameAndEmailOkay) {
if (!empty($email) && !COM_isEmail($email)) {
return edituser($uid, 52);
}
$uname = DB_escapeString($username);
if (empty($uid)) {
$ucount = DB_getItem($_TABLES['users'], 'COUNT(*)', "username = '******'");
} else {
if (!empty($service)) {
$uservice = DB_escapeString($service);
$ucount = DB_getItem($_TABLES['users'], 'COUNT(*)', "username = '******' AND uid <> {$uid} AND remoteservice = '{$uservice}'");
} else {
$ucount = DB_getItem($_TABLES['users'], 'COUNT(*)', "username = '******' AND uid <> {$uid} AND (remoteservice = '' OR remoteservice IS NULL)");
}
}
if ($ucount > 0) {
// Admin just changed a user's username to one that already exists
return edituser($uid, 51);
}
$emailaddr = DB_escapeString($email);
$exclude_remote = " AND (remoteservice IS NULL OR remoteservice = '')";
if (empty($uid)) {
$ucount = DB_getItem($_TABLES['users'], 'COUNT(*)', "email = '{$emailaddr}'" . $exclude_remote);
} else {
$old_email = DB_getItem($_TABLES['users'], 'email', "uid = '{$uid}'");
if ($old_email == $email) {
// email address didn't change so don't care
$ucount = 0;
} else {
$ucount = DB_getItem($_TABLES['users'], 'COUNT(*)', "email = '{$emailaddr}' AND uid <> {$uid}" . $exclude_remote);
}
}
if ($ucount > 0) {
// Admin just changed a user's email to one that already exists
return edituser($uid, 56);
}
if ($_CONF['custom_registration'] && function_exists('CUSTOM_userCheck')) {
$ret = CUSTOM_userCheck($username, $email);
if (!empty($ret)) {
// need a numeric return value - otherwise use default message
if (!is_numeric($ret['number'])) {
$ret['number'] = 400;
}
return edituser($uid, $ret['number']);
}
}
if (empty($uid)) {
if (empty($passwd)) {
// no password? create one ...
$passwd = SEC_generateRandomPassword();
}
$uid = USER_createAccount($username, $email, $passwd, $fullname, $homepage);
if ($uid > 1) {
DB_query("UPDATE {$_TABLES['users']} SET status = {$userstatus} WHERE uid = {$uid}");
}
} else {
$fullname = DB_escapeString($fullname);
$homepage = DB_escapeString($homepage);
$curphoto = DB_getItem($_TABLES['users'], 'photo', "uid = {$uid}");
if (!empty($curphoto) && $delete_photo == 'on') {
USER_deletePhoto($curphoto);
$curphoto = '';
}
if ($_CONF['allow_user_photo'] == 1 && !empty($curphoto)) {
$curusername = DB_getItem($_TABLES['users'], 'username', "uid = {$uid}");
if ($curusername != $username) {
// user has been renamed - rename the photo, too
$newphoto = preg_replace('/' . $curusername . '/', $username, $curphoto, 1);
$imgpath = $_CONF['path_images'] . 'userphotos/';
if (@rename($imgpath . $curphoto, $imgpath . $newphoto) === false) {
$retval .= COM_errorLog('Could not rename userphoto "' . $curphoto . '" to "' . $newphoto . '".');
return $retval;
}
$curphoto = $newphoto;
}
}
$curphoto = DB_escapeString($curphoto);
DB_query("UPDATE {$_TABLES['users']} SET username = '******', fullname = '{$fullname}', email = '{$email}', homepage = '{$homepage}', photo = '{$curphoto}', status='{$userstatus}' WHERE uid = {$uid}");
if ($passwd_changed && !empty($passwd)) {
SEC_updateUserPassword($passwd, $uid);
}
if ($_CONF['custom_registration'] and function_exists('CUSTOM_userSave')) {
CUSTOM_userSave($uid);
}
if ($_CONF['usersubmission'] == 1 && $oldstatus == USER_ACCOUNT_AWAITING_APPROVAL && $userstatus == USER_ACCOUNT_ACTIVE) {
USER_createAndSendPassword($username, $email, $uid);
}
if ($userstatus == USER_ACCOUNT_DISABLED) {
SESS_endUserSession($uid);
}
$userChanged = true;
}
// check that the user is allowed to change group assignments
if (is_array($groups) && SEC_hasRights('group.assign')) {
if (!SEC_inGroup('Root')) {
$rootgrp = DB_getItem($_TABLES['groups'], 'grp_id', "grp_name = 'Root'");
if (in_array($rootgrp, $groups)) {
COM_accessLog("User {$_USER['username']} ({$_USER['uid']}) just tried to give Root permissions to user {$username}.");
echo COM_refresh($_CONF['site_admin_url'] . '/index.php');
exit;
}
}
// make sure the Remote Users group is in $groups
if (SEC_inGroup('Remote Users', $uid)) {
$remUsers = DB_getItem($_TABLES['groups'], 'grp_id', "grp_name = 'Remote Users'");
if (!in_array($remUsers, $groups)) {
$groups[] = $remUsers;
}
}
if ($_USER_VERBOSE) {
COM_errorLog("deleting all group_assignments for user {$uid}/{$username}", 1);
}
// remove user from all groups that the User Admin is a member of
$UserAdminGroups = SEC_getUserGroups();
$whereGroup = 'ug_main_grp_id IN (' . implode(',', $UserAdminGroups) . ')';
DB_query("DELETE FROM {$_TABLES['group_assignments']} WHERE (ug_uid = {$uid}) AND " . $whereGroup);
// make sure to add user to All Users and Logged-in Users groups
$allUsers = DB_getItem($_TABLES['groups'], 'grp_id', "grp_name = 'All Users'");
if (!in_array($allUsers, $groups)) {
$groups[] = $allUsers;
}
$logUsers = DB_getItem($_TABLES['groups'], 'grp_id', "grp_name = 'Logged-in Users'");
if (!in_array($logUsers, $groups)) {
$groups[] = $logUsers;
}
foreach ($groups as $userGroup) {
if (in_array($userGroup, $UserAdminGroups)) {
if ($_USER_VERBOSE) {
COM_errorLog("adding group_assignment " . $userGroup . " for {$username}", 1);
}
$sql = "INSERT INTO {$_TABLES['group_assignments']} (ug_main_grp_id, ug_uid) VALUES ({$userGroup}, {$uid})";
DB_query($sql);
}
}
}
if ($userChanged) {
PLG_userInfoChanged($uid);
}
$errors = DB_error();
if (empty($errors)) {
echo PLG_afterSaveSwitch($_CONF['aftersave_user'], "{$_CONF['site_url']}/users.php?mode=profile&uid={$uid}", 'user', 21);
} else {
$retval .= COM_errorLog('Error in saveusers in ' . $_CONF['site_admin_url'] . '/user.php');
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG28[22]));
echo $retval;
exit;
}
} else {
$retval .= COM_showMessageText($LANG28[10]);
if (!empty($uid) && $uid > 1 && DB_count($_TABLES['users'], 'uid', $uid) > 0) {
$retval .= edituser($uid);
} else {
$retval .= edituser();
}
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG28[1]));
COM_output($retval);
exit;
}
if ($_USER_VERBOSE) {
COM_errorLog("***************leaving saveusers*****************", 1);
}
return $retval;
}
function doValidLogin($login)
{
global $_TABLES, $status, $uid;
// Remote auth precludes usersubmission,
// and integrates user activation, see?;
$status = USER_ACCOUNT_ACTIVE;
// PHP replaces "." with "_"
$openid_identity = DB_escapeString($this->query['openid_identity']);
$openid_nickname = '';
if (isset($this->query['openid_sreg_nickname'])) {
$openid_nickname = $this->query['openid_sreg_nickname'];
}
// Check if that account is already registered.
$result = DB_query("SELECT uid FROM {$_TABLES['users']} WHERE remoteusername = '******' AND remoteservice = 'openid'");
$tmp = DB_error();
$nrows = DB_numRows($result);
if (!($tmp == 0) || !($nrows == 1)) {
// First time login with this OpenID, creating account...
if (empty($openid_nickname)) {
$openid_nickname = $this->makeUsername($this->query['openid_identity']);
}
// we simply can't accept empty usernames ...
if (empty($openid_nickname)) {
COM_errorLog('Got an empty username for ' . $openid_identity);
// not strictly correct - just to signal a failed login attempt
$status = USER_ACCOUNT_DISABLED;
$uid = 0;
return;
}
// Ensure that remoteusername is unique locally.
$openid_nickname = USER_uniqueUsername($openid_nickname);
$openid_sreg_email = '';
if (isset($this->query['openid_sreg_email'])) {
$openid_sreg_email = $this->query['openid_sreg_email'];
}
$openid_sreg_fullname = '';
if (isset($this->query['openid_sreg_fullname'])) {
$openid_sreg_fullname = $this->query['openid_sreg_fullname'];
}
USER_createAccount($openid_nickname, $openid_sreg_email, SEC_generateRandomPassword(), $openid_sreg_fullname, '', $this->query['openid_identity'], 'openid');
$uid = DB_getItem($_TABLES['users'], 'uid', "remoteusername = '******' AND remoteservice = 'openid'");
// Store full remote account name:
DB_query("UPDATE {$_TABLES['users']} SET remoteusername = '******', remoteservice = 'openid', status = 3 WHERE uid = {$uid}");
// Add to remote users:
$remote_grp = DB_getItem($_TABLES['groups'], 'grp_id', "grp_name = 'Remote Users'");
DB_query("INSERT INTO {$_TABLES['group_assignments']} (ug_main_grp_id, ug_uid) VALUES ({$remote_grp}, {$uid})");
} else {
$result = DB_query("SELECT uid,status FROM {$_TABLES['users']} WHERE remoteusername = '******' AND remoteservice = 'openid'");
list($uid, $status) = DB_fetchArray($result);
}
}