kopia lustrzana https://github.com/friendica/friendica
Code redesign and comments
Michael Vogel
rodzic
2c75a0fefc
commit
18aa43e6f6
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@ -2,19 +2,12 @@
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require_once('include/security.php');
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require_once('include/datetime.php');
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function nuke_session() {
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new_cookie(-3600); // make sure cookie is deleted on browser close, as a security measure
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session_unset();
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session_destroy();
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}
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// When the "Friendica" cookie is set, take the value to authenticate and renew the cookie.
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if(isset($_COOKIE["Friendica"])) {
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if (isset($_COOKIE["Friendica"])) {
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$data = json_decode($_COOKIE["Friendica"]);
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if (isset($data->uid)) {
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$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
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FROM `user` WHERE `uid` = %d AND `blocked` = 0 AND `account_expired` = 0 AND `account_removed` = 0 AND `verified` = 1 LIMIT 1",
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FROM `user` WHERE `uid` = %d AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
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intval($data->uid)
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);
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@ -29,7 +22,7 @@ if(isset($_COOKIE["Friendica"])) {
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new_cookie(604800, $r[0]);
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// Do the authentification if not done by now
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if(!isset($_SESSION) OR !isset($_SESSION['authenticated'])) {
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if (!isset($_SESSION) OR !isset($_SESSION['authenticated'])) {
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authenticate_success($r[0]);
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if (get_config('system','paranoia'))
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@ -42,9 +35,9 @@ if(isset($_COOKIE["Friendica"])) {
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// login/logout
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if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
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if (isset($_SESSION) && x($_SESSION,'authenticated') && (!x($_POST,'auth-params') || ($_POST['auth-params'] !== 'login'))) {
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if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
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if ((x($_POST,'auth-params') && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
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// process logout request
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call_hooks("logging_out");
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@ -53,34 +46,34 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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goaway(z_root());
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}
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if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) {
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if (x($_SESSION,'visitor_id') && !x($_SESSION,'uid')) {
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$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
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intval($_SESSION['visitor_id'])
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);
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if(count($r)) {
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if (count($r)) {
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$a->contact = $r[0];
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}
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}
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if(x($_SESSION,'uid')) {
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if (x($_SESSION,'uid')) {
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// already logged in user returning
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$check = get_config('system','paranoia');
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// extra paranoia - if the IP changed, log them out
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if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
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logger('Session address changed. Paranoid setting in effect, blocking session. '
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. $_SESSION['addr'].' != '.$_SERVER['REMOTE_ADDR']);
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if ($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
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logger('Session address changed. Paranoid setting in effect, blocking session. '.
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$_SESSION['addr'].' != '.$_SERVER['REMOTE_ADDR']);
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nuke_session();
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goaway(z_root());
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}
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$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
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FROM `user` WHERE `uid` = %d AND `blocked` = 0 AND `account_expired` = 0 AND `account_removed` = 0 AND `verified` = 1 LIMIT 1",
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FROM `user` WHERE `uid` = %d AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
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intval($_SESSION['uid'])
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);
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if(! count($r)) {
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if (!count($r)) {
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nuke_session();
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goaway(z_root());
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}
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@ -88,10 +81,10 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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// Make sure to refresh the last login time for the user if the user
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// stays logged in for a long time, e.g. with "Remember Me"
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$login_refresh = false;
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if(! x($_SESSION['last_login_date'])) {
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if (!x($_SESSION['last_login_date'])) {
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$_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
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}
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if(strcmp(datetime_convert('UTC','UTC','now - 12 hours'), $_SESSION['last_login_date']) > 0) {
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if (strcmp(datetime_convert('UTC','UTC','now - 12 hours'), $_SESSION['last_login_date']) > 0) {
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$_SESSION['last_login_date'] = datetime_convert('UTC','UTC');
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$login_refresh = true;
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@ -102,10 +95,10 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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session_unset();
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if((x($_POST,'password')) && strlen($_POST['password']))
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if (x($_POST,'password') && strlen($_POST['password']))
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$encrypted = hash('whirlpool',trim($_POST['password']));
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else {
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if((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
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if ((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
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(x($_POST,'username')) && strlen($_POST['username'])) {
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$noid = get_config('system','no_openid');
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@ -118,7 +111,7 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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// if it's an email address or doesn't resolve to a URL, fail.
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if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
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if ($noid || strpos($temp_string,'@') || !validate_url($temp_string)) {
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$a = get_app();
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notice(t('Login failed.').EOL);
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goaway(z_root());
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@ -136,13 +129,13 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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$openid->returnUrl = $a->get_baseurl(true).'/openid';
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goaway($openid->authUrl());
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} catch (Exception $e) {
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notice(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.').'<br /><br >'. t('The error message was:').' '.$e->getMessage());
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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:').' '.$e->getMessage());
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}
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// NOTREACHED
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}
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}
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if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
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if (x($_POST,'auth-params') && $_POST['auth-params'] === 'login') {
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$record = null;
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@ -163,20 +156,20 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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call_hooks('authenticate', $addon_auth);
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if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
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if ($addon_auth['authenticated'] && count($addon_auth['user_record']))
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$record = $addon_auth['user_record'];
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} else {
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else {
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// process normal login request
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$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
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FROM `user` WHERE (`email` = '%s' OR `nickname` = '%s')
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AND `password` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `account_removed` = 0 AND `verified` = 1 LIMIT 1",
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AND `password` = '%s' AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
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dbesc(trim($_POST['username'])),
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dbesc(trim($_POST['username'])),
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dbesc($encrypted)
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);
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if(count($r))
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if (count($r))
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$record = $r[0];
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}
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@ -190,7 +183,7 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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// that expires after one week (the default is when the browser is closed).
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// The cookie will be renewed automatically.
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// The week ensures that sessions will expire after some inactivity.
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if($_POST['remember'])
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if ($_POST['remember'])
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new_cookie(604800, $r[0]);
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else
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new_cookie(0); // 0 means delete on browser exit
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@ -202,12 +195,35 @@ if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-p
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}
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}
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/**
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* @brief Kills the "Friendica" cookie and all session data
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*/
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function nuke_session() {
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new_cookie(-3600); // make sure cookie is deleted on browser close, as a security measure
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session_unset();
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session_destroy();
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}
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/**
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* @brief Calculate the hash that is needed for the "Friendica" cookie
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*
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* @param array $user Record from "user" table
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*
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* @return string Hashed data
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*/
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function cookie_hash($user) {
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return(hash("sha256", get_config("system", "site_prvkey").
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$user["uprvkey"].
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$user["password"]));
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}
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/**
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* @brief Set the "Friendica" cookie
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*
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* @param int $time
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* @param array $user Record from "user" table
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*/
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function new_cookie($time, $user = array()) {
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if ($time != 0)
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@ -223,5 +239,4 @@ function new_cookie($time, $user = array()) {
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setcookie("Friendica", $value, $time, "/", "",
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(get_config('system', 'ssl_policy') == SSL_POLICY_FULL), true);
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return;
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}
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