<?php
-
-
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)
+ );
-function nuke_session() {
- unset($_SESSION['authenticated']);
- unset($_SESSION['uid']);
- unset($_SESSION['visitor_id']);
- unset($_SESSION['administrator']);
- unset($_SESSION['cid']);
- unset($_SESSION['theme']);
- unset($_SESSION['page_flags']);
- unset($_SESSION['submanage']);
- unset($_SESSION['my_url']);
- unset($_SESSION['my_address']);
- unset($_SESSION['addr']);
- unset($_SESSION['return_url']);
- unset($_SESSION['theme']);
- unset($_SESSION['page_flags']);
-}
+ 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
+ new_cookie(604800, $r[0]);
-// login/logout
+ // Do the authentification if not done by now
+ if (!isset($_SESSION) OR !isset($_SESSION['authenticated'])) {
+ authenticate_success($r[0]);
+ if (get_config('system','paranoia'))
+ $_SESSION['addr'] = $data->ip;
+ }
+ }
+ }
+}
+// login/logout
-if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
+if (isset($_SESSION) && x($_SESSION,'authenticated') && (!x($_POST,'auth-params') || ($_POST['auth-params'] !== 'login'))) {
+
+ if ((x($_POST,'auth-params') && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
- if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
-
// process logout request
call_hooks("logging_out");
nuke_session();
- info( t('Logged out.') . EOL);
+ info(t('Logged out.').EOL);
goaway(z_root());
}
- if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) {
+ if (x($_SESSION,'visitor_id') && !x($_SESSION,'uid')) {
$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($_SESSION['visitor_id'])
);
- if(count($r)) {
+ if (count($r)) {
$a->contact = $r[0];
}
}
- if(x($_SESSION,'uid')) {
+ 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'] . ' != ' . $_SERVER['REMOTE_ADDR']);
+ if ($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 `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
+ $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
+ FROM `user` WHERE `uid` = %d AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
intval($_SESSION['uid'])
);
- if(! count($r)) {
+ if (!count($r)) {
nuke_session();
goaway(z_root());
}
- authenticate_success($r[0]);
- }
-}
-else {
+ // 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'), $_SESSION['last_login_date']) > 0) {
- if(isset($_SESSION)) {
- nuke_session();
+ $_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
+ $login_refresh = true;
+ }
+ authenticate_success($r[0], false, false, $login_refresh);
}
+} else {
- if((x($_POST,'password')) && strlen($_POST['password']))
+ session_unset();
+
+ if (x($_POST,'password') && strlen($_POST['password']))
$encrypted = hash('whirlpool',trim($_POST['password']));
else {
- if((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
+ 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']) );
+ $openid_url = trim((strlen($_POST['openid_url'])?$_POST['openid_url']:$_POST['username']));
// validate_url alters the calling parameter
// if it's an email address or doesn't resolve to a URL, fail.
- if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
+ if ($noid || strpos($temp_string,'@') || !validate_url($temp_string)) {
$a = get_app();
- notice( t('Login failed.') . EOL);
+ 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;
- $a = get_app();
- $openid->returnUrl = $a->get_baseurl(true) . '/openid';
- goaway($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());
- }
+ try {
+ require_once('library/openid.php');
+ $openid = new LightOpenID;
+ $openid->identity = $openid_url;
+ $_SESSION['openid'] = $openid_url;
+ $a = get_app();
+ $openid->returnUrl = $a->get_baseurl(true).'/openid';
+ goaway($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
}
}
- if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
+ if (x($_POST,'auth-params') && $_POST['auth-params'] === 'login') {
$record = null;
$addon_auth = array(
- 'username' => trim($_POST['username']),
+ 'username' => trim($_POST['username']),
'password' => trim($_POST['password']),
'authenticated' => 0,
'user_record' => null
call_hooks('authenticate', $addon_auth);
- if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
+ if ($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 `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
+ $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
+ FROM `user` WHERE (`email` = '%s' OR `nickname` = '%s')
+ AND `password` = '%s' AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
dbesc(trim($_POST['username'])),
dbesc(trim($_POST['username'])),
dbesc($encrypted)
);
- if(count($r))
+ if (count($r))
$record = $r[0];
}
- if((! $record) || (! count($record))) {
- logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);
- notice( t('Login failed.') . EOL );
+ if (!$record || !count($record)) {
+ logger('authenticate: failed login attempt: '.notags(trim($_POST['username'])).' from IP '.$_SERVER['REMOTE_ADDR']);
+ notice(t('Login failed.').EOL);
goaway(z_root());
- }
+ }
+
+ // If the user specified to remember the authentication, then set a cookie
+ // that expires after one week (the default is when the browser is closed).
+ // The cookie will be renewed automatically.
+ // The week ensures that sessions will expire after some inactivity.
+ if ($_POST['remember'])
+ new_cookie(604800, $r[0]);
+ else
+ new_cookie(0); // 0 means delete on browser exit
// if we haven't failed up this point, log them in.
+ $_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
authenticate_success($record, true, true);
}
}
-// 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'];
- }
- return $groups;
-}}
+/**
+ * @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();
+}
+
+/**
+ * @brief Calculate the hash that is needed for the "Friendica" cookie
+ *
+ * @param array $user Record from "user" table
+ *
+ * @return string Hashed data
+ */
+function cookie_hash($user) {
+ return(hash("sha256", get_config("system", "site_prvkey").
+ $user["uprvkey"].
+ $user["password"]));
+}
+
+/**
+ * @brief Set the "Friendica" cookie
+ *
+ * @param int $time
+ * @param array $user Record from "user" table
+ */
+function new_cookie($time, $user = array()) {
+ if ($time != 0)
+ $time = $time + time();
+
+ if ($user)
+ $value = json_encode(array("uid" => $user["uid"],
+ "hash" => cookie_hash($user),
+ "ip" => $_SERVER['REMOTE_ADDR']));
+ else
+ $value = "";
+
+ setcookie("Friendica", $value, $time, "/", "",
+ (get_config('system', 'ssl_policy') == SSL_POLICY_FULL), true);
+
+}
projects / friendica.git / blobdiff