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<?php
require_once('include/security.php');
function nuke_session() {
unset($_SESSION['authenticated']);
unset($_SESSION['account_id']);
unset($_SESSION['uid']);
unset($_SESSION['visitor_id']);
unset($_SESSION['administrator']);
unset($_SESSION['cid']);
unset($_SESSION['theme']);
unset($_SESSION['mobile-theme']);
unset($_SESSION['page_flags']);
unset($_SESSION['submanage']);
unset($_SESSION['my_url']);
unset($_SESSION['my_address']);
unset($_SESSION['addr']);
unset($_SESSION['return_url']);
}
/**
* Verify login credentials
*
* Returns account record on success, null on failure
*
*/
function account_verify_password($email,$pass) {
$r = q("select * from account where account_email = '%s'",
dbesc($email)
);
if(! ($r && count($r)))
return null;
foreach($r as $record) {
if(($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)
&& (hash('whirlpool',$record['account_salt'] . $pass) === $record['account_password'])) {
return $record;
}
}
return null;
}
// login/logout
if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
// process logout request
call_hooks("logging_out");
nuke_session();
info( t('Logged out.') . EOL);
goaway(z_root());
}
if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) {
$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($_SESSION['visitor_id'])
);
if(count($r)) {
$a->contact = $r[0];
}
}
if(x($_SESSION,'uid') || x($_SESSION,'account_id')) {
// already logged in user returning
$check = get_config('system','paranoia');
// extra paranoia - if the IP changed, log them out
if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
logger('Session address changed. Paranoid setting in effect, blocking session. '
. $_SESSION['addr'] . ' != ' . $_SERVER['REMOTE_ADDR']);
nuke_session();
goaway(z_root());
}
if(x($_SESSION,'account_id')) {
$r = q("select * from account where account_id = %d limit 1",
intval($_SESSION['account_id'])
);
if(count($r) && (($r[0]['account_flags'] == ACCOUNT_OK) || ($r[0]['account_flags'] == ACCOUNT_UNVERIFIED))) {
get_app()->account = $r[0];
authenticate_success($r[0]);
}
else {
$_SESSION['account_id'] = 0;
nuke_session();
goaway(z_root());
}
}
else {
$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
FROM `user` WHERE `uid` = %d AND `blocked` = 0
AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
intval($_SESSION['uid'])
);
}
if(! count($r)) {
nuke_session();
goaway(z_root());
}
authenticate_success($r[0]);
}
}
else {
if(isset($_SESSION)) {
nuke_session();
}
if((x($_POST,'password')) && strlen($_POST['password']))
$encrypted = hash('whirlpool',trim($_POST['password']));
if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
$record = null;
$addon_auth = array(
'username' => trim($_POST['username']),
'password' => trim($_POST['password']),
'authenticated' => 0,
'user_record' => null
);
/**
*
* A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
* Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
* and later plugins should not interfere with an earlier one that succeeded.
*
*/
call_hooks('authenticate', $addon_auth);
if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
$record = $addon_auth['user_record'];
}
else {
$record = get_app()->account = account_verify_password($_POST['username'],$_POST['password']);
if(get_app()->account) {
$_SESSION['account_id'] = get_app()->account['account_id'];
}
else {
notice( t('Failed authentication') . EOL);
}
logger('authenticate: ' . print_r(get_app()->account,true));
// process normal login request
// $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
// FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' )
// AND `password` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
// dbesc(trim($_POST['username'])),
// dbesc(trim($_POST['username'])),
// dbesc($encrypted)
// );
// if(count($r))
// $record = $r[0];
}
if((! $record) || (! count($record))) {
logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);
notice( t('Login failed.') . EOL );
goaway(z_root());
}
// if we haven't failed up this point, log them in.
authenticate_success($record, true, true);
}
}
|
