diff options
Diffstat (limited to 'engine/lib')
| -rw-r--r-- | engine/lib/actions.php | 27 | ||||
| -rw-r--r-- | engine/lib/admin.php | 2 | ||||
| -rw-r--r-- | engine/lib/deprecated-1.7.php | 2 | ||||
| -rw-r--r-- | engine/lib/deprecated-1.8.php | 2 | ||||
| -rw-r--r-- | engine/lib/memcache.php | 20 | ||||
| -rw-r--r-- | engine/lib/notification.php | 13 | ||||
| -rw-r--r-- | engine/lib/output.php | 19 | ||||
| -rw-r--r-- | engine/lib/sessions.php | 6 | ||||
| -rw-r--r-- | engine/lib/system_log.php | 11 | ||||
| -rw-r--r-- | engine/lib/upgrades/2013060900-1.8.15-site_secret-404fc165cf9e0ac9.php | 16 |
10 files changed, 110 insertions, 8 deletions
diff --git a/engine/lib/actions.php b/engine/lib/actions.php index 56936f582..8047914ac 100644 --- a/engine/lib/actions.php +++ b/engine/lib/actions.php @@ -364,16 +364,19 @@ function generate_action_token($timestamp) { } /** - * Initialise the site secret hash. + * Initialise the site secret (32 bytes: "z" to indicate format + 186-bit key in Base64 URL). * * Used during installation and saves as a datalist. * + * Note: Old secrets were hex encoded. + * * @return mixed The site secret hash or false * @access private * @todo Move to better file. */ function init_site_secret() { - $secret = md5(rand() . microtime()); + $secret = 'z' . ElggCrypto::getRandomString(31); + if (datalist_set('__site_secret__', $secret)) { return $secret; } @@ -400,6 +403,26 @@ function get_site_secret() { } /** + * Get the strength of the site secret + * + * @return string "strong", "moderate", or "weak" + * @access private + */ +function _elgg_get_site_secret_strength() { + $secret = get_site_secret(); + if ($secret[0] !== 'z') { + $rand_max = getrandmax(); + if ($rand_max < pow(2, 16)) { + return 'weak'; + } + if ($rand_max < pow(2, 32)) { + return 'moderate'; + } + } + return 'strong'; +} + +/** * Check if an action is registered and its script exists. * * @param string $action Action name diff --git a/engine/lib/admin.php b/engine/lib/admin.php index 7f82108c0..f36f29668 100644 --- a/engine/lib/admin.php +++ b/engine/lib/admin.php @@ -236,6 +236,7 @@ function admin_init() { elgg_register_action('admin/site/update_advanced', '', 'admin'); elgg_register_action('admin/site/flush_cache', '', 'admin'); elgg_register_action('admin/site/unlock_upgrade', '', 'admin'); + elgg_register_action('admin/site/regenerate_secret', '', 'admin'); elgg_register_action('admin/menu/save', '', 'admin'); @@ -291,6 +292,7 @@ function admin_init() { elgg_register_admin_menu_item('configure', 'settings', null, 100); elgg_register_admin_menu_item('configure', 'basic', 'settings', 10); elgg_register_admin_menu_item('configure', 'advanced', 'settings', 20); + elgg_register_admin_menu_item('configure', 'advanced/site_secret', 'settings', 25); elgg_register_admin_menu_item('configure', 'menu_items', 'appearance', 30); elgg_register_admin_menu_item('configure', 'profile_fields', 'appearance', 40); // default widgets is added via an event handler elgg_default_widgets_init() in widgets.php diff --git a/engine/lib/deprecated-1.7.php b/engine/lib/deprecated-1.7.php index 519eea89d..ee95b5611 100644 --- a/engine/lib/deprecated-1.7.php +++ b/engine/lib/deprecated-1.7.php @@ -1137,6 +1137,7 @@ function make_register_object($register_name, $register_value, $children_array = * @param int $guid GUID * * @return 1 + * @deprecated 1.7 */ function delete_object_entity($guid) { system_message(elgg_echo('deprecatedfunction', array('delete_user_entity'))); @@ -1154,6 +1155,7 @@ function delete_object_entity($guid) { * @param int $guid User GUID * * @return 1 + * @deprecated 1.7 */ function delete_user_entity($guid) { system_message(elgg_echo('deprecatedfunction', array('delete_user_entity'))); diff --git a/engine/lib/deprecated-1.8.php b/engine/lib/deprecated-1.8.php index 6aa42a81d..91068d047 100644 --- a/engine/lib/deprecated-1.8.php +++ b/engine/lib/deprecated-1.8.php @@ -3414,6 +3414,7 @@ function list_annotations($entity_guid, $name = "", $limit = 25, $asc = true) { * @param unknown_type $timeupper * @param unknown_type $calculation * @internal Don't use this at all. + * @deprecated 1.8 Use elgg_get_annotations() */ function elgg_deprecated_annotation_calculation($entity_guid = 0, $entity_type = "", $entity_subtype = "", $name = "", $value = "", $value_type = "", $owner_guid = 0, $timelower = 0, @@ -4667,6 +4668,7 @@ function display_widget(ElggObject $widget) { * * @param ElggEntity $entity * @return int Number of comments + * @deprecated 1.8 Use ElggEntity->countComments() */ function elgg_count_comments($entity) { elgg_deprecated_notice('elgg_count_comments() is deprecated by ElggEntity->countComments()', 1.8); diff --git a/engine/lib/memcache.php b/engine/lib/memcache.php index f79fba4a9..79b87e850 100644 --- a/engine/lib/memcache.php +++ b/engine/lib/memcache.php @@ -35,3 +35,23 @@ function is_memcache_available() { return $memcache_available; } + +/** + * Invalidate an entity in memcache + * + * @param int $entity_guid The GUID of the entity to invalidate + * + * @return void + * @access private + */ +function _elgg_invalidate_memcache_for_entity($entity_guid) { + static $newentity_cache; +
+ if ((!$newentity_cache) && (is_memcache_available())) {
+ $newentity_cache = new ElggMemcache('new_entity_cache');
+ } +
+ if ($newentity_cache) {
+ $newentity_cache->delete($entity_guid);
+ } +}
\ No newline at end of file diff --git a/engine/lib/notification.php b/engine/lib/notification.php index b6399b3c6..2506867d5 100644 --- a/engine/lib/notification.php +++ b/engine/lib/notification.php @@ -110,12 +110,15 @@ function notify_user($to, $from, $subject, $message, array $params = NULL, $meth // Are we overriding delivery? $methods = $methods_override; if (!$methods) { - $tmp = (array)get_user_notification_settings($guid); + $tmp = get_user_notification_settings($guid); $methods = array(); - foreach ($tmp as $k => $v) { - // Add method if method is turned on for user! - if ($v) { - $methods[] = $k; + // $tmp may be false. don't cast + if (is_array($tmp)) { + foreach ($tmp as $k => $v) { + // Add method if method is turned on for user! + if ($v) { + $methods[] = $k; + } } } } diff --git a/engine/lib/output.php b/engine/lib/output.php index 6172a5c8d..de4f911fb 100644 --- a/engine/lib/output.php +++ b/engine/lib/output.php @@ -421,6 +421,25 @@ function _elgg_html_decode($string) { } /** + * Prepares query string for output to prevent CSRF attacks. + * + * @param string $string + * @return string + * + * @access private + */ +function _elgg_get_display_query($string) { + //encode <,>,&, quotes and characters above 127 + if (function_exists('mb_convert_encoding')) {
+ $display_query = mb_convert_encoding($string, 'HTML-ENTITIES', 'UTF-8');
+ } else {
+ // if no mbstring extension, we just strip characters
+ $display_query = preg_replace("/[^\x01-\x7F]/", "", $string);
+ }
+ return htmlspecialchars($display_query, ENT_QUOTES, 'UTF-8', false); +} + +/** * Unit tests for Output * * @param string $hook unit_test diff --git a/engine/lib/sessions.php b/engine/lib/sessions.php index fb28e1e9a..e3d5ce9cd 100644 --- a/engine/lib/sessions.php +++ b/engine/lib/sessions.php @@ -326,6 +326,12 @@ function login(ElggUser $user, $persistent = false) { set_last_login($_SESSION['guid']); reset_login_failure_count($user->guid); // Reset any previous failed login attempts + // if memcache is enabled, invalidate the user in memcache @see https://github.com/Elgg/Elgg/issues/3143 + if (is_memcache_available()) { + // this needs to happen with a shutdown function because of the timing with set_last_login() + register_shutdown_function("_elgg_invalidate_memcache_for_entity", $_SESSION['guid']); + } + return true; } diff --git a/engine/lib/system_log.php b/engine/lib/system_log.php index 5a153afb2..84302632e 100644 --- a/engine/lib/system_log.php +++ b/engine/lib/system_log.php @@ -187,7 +187,16 @@ function system_log($object, $event) { $object_subtype = $object->getSubtype(); $event = sanitise_string($event); $time = time(); - $ip_address = sanitise_string($_SERVER['REMOTE_ADDR']); + + if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { + $ip_address = array_pop(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])); + } elseif (!empty($_SERVER['HTTP_X_REAL_IP'])) { + $ip_address = array_pop(explode(',', $_SERVER['HTTP_X_REAL_IP'])); + } else { + $ip_address = $_SERVER['REMOTE_ADDR']; + } + $ip_address = sanitise_string($ip_address); + $performed_by = elgg_get_logged_in_user_guid(); if (isset($object->access_id)) { diff --git a/engine/lib/upgrades/2013060900-1.8.15-site_secret-404fc165cf9e0ac9.php b/engine/lib/upgrades/2013060900-1.8.15-site_secret-404fc165cf9e0ac9.php new file mode 100644 index 000000000..538d74dd6 --- /dev/null +++ b/engine/lib/upgrades/2013060900-1.8.15-site_secret-404fc165cf9e0ac9.php @@ -0,0 +1,16 @@ +<?php +/** + * Elgg 1.8.15 upgrade 2013060900 + * site_secret + * + * Description + */ + +$strength = _elgg_get_site_secret_strength(); + +if ($strength !== 'strong') { + // a new key is needed immediately + register_translations(elgg_get_root_path() . 'languages/'); + + elgg_add_admin_notice('weak_site_key', elgg_echo("upgrade:site_secret_warning:$strength")); +} |