<?php
-// login/logout
-
-if((x($_SESSION,'authenticated')) && (! ($_POST['auth-params'] === 'login'))) {
- if($_POST['auth-params'] === 'logout' || $a->module === 'logout') {
- unset($_SESSION['authenticated']);
- unset($_SESSION['uid']);
- unset($_SESSION['visitor_id']);
- unset($_SESSION['administrator']);
- unset($_SESSION['cid']);
- unset($_SESSION['theme']);
- notice( t('Logged out.') . EOL);
- goaway($a->get_baseurl());
- }
- if(x($_SESSION,'uid')) {
- $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($_SESSION['uid']));
- if($r === NULL || (! count($r))) {
- goaway($a->get_baseurl());
+use Friendica\App;
+use Friendica\Core\Config;
+
+require_once('include/security.php');
+require_once('include/datetime.php');
+
+// When the "Friendica" cookie is set, take the value to authenticate and renew the cookie.
+if (isset($_COOKIE["Friendica"])) {
+ $data = json_decode($_COOKIE["Friendica"]);
+ if (isset($data->uid)) {
+ $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
+ FROM `user` WHERE `uid` = %d AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
+ intval($data->uid)
+ );
+
+ if ($r) {
+ if ($data->hash != cookie_hash($r[0])) {
+ logger("Hash for user ".$data->uid." doesn't fit.");
+ nuke_session();
+ goaway(z_root());
+ }
+
+ // Renew the cookie
+ // Expires after 7 days by default,
+ // can be set via system.auth_cookie_lifetime
+ $authcookiedays = Config::get('system', 'auth_cookie_lifetime', 7);
+ new_cookie($authcookiedays*24*60*60, $r[0]);
+
+ // Do the authentification if not done by now
+ if (!isset($_SESSION) OR !isset($_SESSION['authenticated'])) {
+ authenticate_success($r[0]);
+
+ if (get_config('system','paranoia'))
+ $_SESSION['addr'] = $data->ip;
+ }
}
- $a->user = $r[0];
- $_SESSION['theme'] = $a->user['theme'];
- if(strlen($a->user['timezone']))
- date_default_timezone_set($a->user['timezone']);
+ }
+}
- $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
- $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
- intval($_SESSION['uid']));
- if(count($r)) {
- $a->contact = $r[0];
- $a->cid = $r[0]['id'];
- $_SESSION['cid'] = $a->cid;
+// login/logout
+
+if (isset($_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 (dbm::is_result($r)) {
+ $a->contact = $r[0];
}
}
-}
-else {
- unset($_SESSION['authenticated']);
- unset($_SESSION['uid']);
- unset($_SESSION['visitor_id']);
- unset($_SESSION['administrator']);
- unset($_SESSION['cid']);
- unset($_SESSION['theme']);
-
- $encrypted = hash('whirlpool',trim($_POST['password']));
-
- if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
- $r = q("SELECT * FROM `user`
- WHERE `email` = '%s' AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
- dbesc(trim($_POST['login-name'])),
- dbesc($encrypted));
- if(($r === false) || (! count($r))) {
- notice( t('Login failed.') . EOL );
- goaway($a->get_baseurl());
- }
- $_SESSION['uid'] = $r[0]['uid'];
- $_SESSION['theme'] = $r[0]['theme'];
- $_SESSION['authenticated'] = 1;
- $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
-
- notice( t("Welcome back ") . $r[0]['username'] . EOL);
- $a->user = $r[0];
- if(strlen($a->user['timezone']))
- date_default_timezone_set($a->user['timezone']);
-
- $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
- intval($_SESSION['uid']));
- if(count($r)) {
- $a->cid = $r[0]['id'];
- $_SESSION['cid'] = $a->cid;
+
+ if (x($_SESSION,'uid')) {
+
+ // 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());
+ }
+
+ $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
+ FROM `user` WHERE `uid` = %d AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
+ intval($_SESSION['uid'])
+ );
+
+ if (!dbm::is_result($r)) {
+ nuke_session();
+ goaway(z_root());
}
+ // Make sure to refresh the last login time for the user if the user
+ // stays logged in for a long time, e.g. with "Remember Me"
+ $login_refresh = false;
+ if (!x($_SESSION['last_login_date'])) {
+ $_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
+ }
+ if (strcmp(datetime_convert('UTC','UTC','now - 12 hours'), $_SESSION['last_login_date']) > 0) {
+ $_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
+ $login_refresh = true;
+ }
+ authenticate_success($r[0], false, false, $login_refresh);
}
-}
+} else {
+
+ session_unset();
-// Returns an array of group id's this contact is a member of.
-// This array will only contain group id's related to the uid of this
-// DFRN contact. They are *not* neccessarily unique across the entire site.
-
-
-if(! function_exists('init_groups_visitor')) {
-function init_groups_visitor($contact_id) {
- $groups = array();
- $r = q("SELECT `gid` FROM `group_member`
- WHERE `contact-id` = %d ",
- intval($contact_id)
- );
- if(count($r)) {
- foreach($r as $rr)
- $groups[] = $rr['gid'];
+ if (x($_POST,'password') && strlen($_POST['password']))
+ $encrypted = hash('whirlpool',trim($_POST['password']));
+ else {
+ if ((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
+ (x($_POST,'username')) && strlen($_POST['username'])) {
+
+ $noid = get_config('system','no_openid');
+
+ $openid_url = trim((strlen($_POST['openid_url'])?$_POST['openid_url']:$_POST['username']));
+
+ // validate_url alters the calling parameter
+
+ $temp_string = $openid_url;
+
+ // if it's an email address or doesn't resolve to a URL, fail.
+
+ if ($noid || strpos($temp_string,'@') || !validate_url($temp_string)) {
+ $a = get_app();
+ notice(t('Login failed.').EOL);
+ goaway(z_root());
+ // NOTREACHED
+ }
+
+ // Otherwise it's probably an openid.
+
+ try {
+ require_once('library/openid.php');
+ $openid = new LightOpenID;
+ $openid->identity = $openid_url;
+ $_SESSION['openid'] = $openid_url;
+ $_SESSION['remember'] = $_POST['remember'];
+ $openid->returnUrl = App::get_baseurl(true).'/openid';
+ goaway($openid->authUrl());
+ } catch (Exception $e) {
+ notice(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.').'<br /><br >'.t('The error message was:').' '.$e->getMessage());
+ }
+ // NOTREACHED
+ }
}
- return $groups;
-}}
+ if (x($_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 {
+
+ // process normal login request
+
+ $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
+ FROM `user` WHERE (`email` = '%s' OR `nickname` = '%s')
+ AND `password` = '%s' AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
+ dbesc(trim($_POST['username'])),
+ dbesc(trim($_POST['username'])),
+ dbesc($encrypted)
+ );
+ if (dbm::is_result($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 (! $_POST['remember']) {
+ new_cookie(0); // 0 means delete on browser exit
+ }
+
+ // if we haven't failed up this point, log them in.
+ $_SESSION['remember'] = $_POST['remember'];
+ $_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
+ authenticate_success($record, true, true);
+ }
+}
+
+/**
+ * @brief Kills the "Friendica" cookie and all session data
+ */
+function nuke_session() {
+
+ new_cookie(-3600); // make sure cookie is deleted on browser close, as a security measure
+ session_unset();
+ session_destroy();
+}
projects / friendica.git / blobdiff