diff options
| -rw-r--r-- | engine/lib/output.php | 19 | ||||
| -rw-r--r-- | mod/groups/lib/groups.php | 3 | ||||
| -rw-r--r-- | mod/members/pages/members/search.php | 8 | ||||
| -rw-r--r-- | mod/search/pages/search/index.php | 10 |
4 files changed, 28 insertions, 12 deletions
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/mod/groups/lib/groups.php b/mod/groups/lib/groups.php index f07ab5dc6..d5bec1862 100644 --- a/mod/groups/lib/groups.php +++ b/mod/groups/lib/groups.php @@ -73,7 +73,8 @@ function groups_search_page() { elgg_push_breadcrumb(elgg_echo('search')); $tag = get_input("tag"); - $title = elgg_echo('groups:search:title', array($tag)); + $display_query = _elgg_get_display_query($tag); + $title = elgg_echo('groups:search:title', array($display_query)); // groups plugin saves tags as "interests" - see groups_fields_setup() in start.php $params = array( diff --git a/mod/members/pages/members/search.php b/mod/members/pages/members/search.php index 1f0444d67..5466a8246 100644 --- a/mod/members/pages/members/search.php +++ b/mod/members/pages/members/search.php @@ -7,7 +7,9 @@ if ($vars['search_type'] == 'tag') { $tag = get_input('tag'); - $title = elgg_echo('members:title:searchtag', array($tag)); + $display_query = _elgg_get_display_query($tag);
+ + $title = elgg_echo('members:title:searchtag', array($display_query)); $options = array(); $options['query'] = $tag; @@ -28,7 +30,9 @@ if ($vars['search_type'] == 'tag') { } else { $name = sanitize_string(get_input('name')); - $title = elgg_echo('members:title:searchname', array($name)); + $display_query = _elgg_get_display_query($name); + + $title = elgg_echo('members:title:searchname', array($display_query)); $db_prefix = elgg_get_config('dbprefix'); $params = array( diff --git a/mod/search/pages/search/index.php b/mod/search/pages/search/index.php index ede09329b..9542e0751 100644 --- a/mod/search/pages/search/index.php +++ b/mod/search/pages/search/index.php @@ -17,15 +17,7 @@ $search_type = get_input('search_type', 'all'); // XSS protection is more important that searching for HTML. $query = stripslashes(get_input('q', get_input('tag', ''))); -// @todo - create function for sanitization of strings for display in 1.8 -// encode <,>,&, quotes and characters above 127 -if (function_exists('mb_convert_encoding')) { - $display_query = mb_convert_encoding($query, 'HTML-ENTITIES', 'UTF-8'); -} else { - // if no mbstring extension, we just strip characters - $display_query = preg_replace("/[^\x01-\x7F]/", "", $query); -} -$display_query = htmlspecialchars($display_query, ENT_QUOTES, 'UTF-8', false); +$display_query = _elgg_get_display_query($query); // check that we have an actual query if (!$query) { |