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-rw-r--r--mod/htmlawed/start.php72
1 files changed, 57 insertions, 15 deletions
diff --git a/mod/htmlawed/start.php b/mod/htmlawed/start.php
index b180be811..52cefa1da 100644
--- a/mod/htmlawed/start.php
+++ b/mod/htmlawed/start.php
@@ -1,7 +1,7 @@
<?php
/**
* Elgg htmLawed tag filtering.
- *
+ *
* @package ElgghtmLawed
* @author Curverider Ltd
* @author Brett Profitt
@@ -20,14 +20,56 @@
// seems to handle about everything we need.
'safe' => true,
'deny_attribute' => 'class',
-
- 'schemes' => '*: http,https,ftp,news,mailto,rtsp,teamspeak,gopher,mms,callto;'
- . 'style: color,cursor,text-align,font-size,font-weight,font-style,border,margin,padding,float'
+ 'hook_tag' => 'htmlawed_hook',
+
+ 'schemes' => '*:http,https,ftp,news,mailto,rtsp,teamspeak,gopher,mms,callto;'
+ // apparent this doesn't work.
+ //. 'style:color,cursor,text-align,font-size,font-weight,font-style,border,margin,padding,float'
);
-
+
register_plugin_hook('validate', 'input', 'htmlawed_filter_tags', 1);
}
-
+
+ function htmlawed_hook($element, $attribute_array) {
+ $allowed_styles = array(
+ 'color', 'cursor', 'text-align', 'font-size', 'font-weight', 'font-style', 'border', 'margin', 'padding', 'float'
+ );
+
+ if (array_key_exists('style', $attribute_array)) {
+ $string = '';
+
+ foreach ($attribute_array as $attr => $value) {
+ if ($attr == 'style') {
+ $styles = explode(';', $value);
+
+ $style_str = '';
+ foreach ($styles as $style) {
+ if (!$style) {
+ continue;
+ }
+ list($style_attr, $style_value) = explode(':', trim($style));
+ $style_attr = trim($style_attr);
+ $style_value = trim($style_value);
+
+ if (in_array($style_attr, $allowed_styles)) {
+ $style_str .= "$style_attr: $style_value; ";
+ }
+ }
+
+ if ($style_str) {
+ $string .= " style = \"$style_str\"";
+ }
+
+ } else {
+ $string .= " $attr = \"$value\"";
+ }
+ }
+
+ $string = trim($string);
+ return "<$element $string >";
+ }
+ }
+
/**
* htmLawed filtering of tags, called on a plugin hook
*
@@ -38,29 +80,29 @@
{
$return = $returnvalue;
$var = $returnvalue;
-
+
if (@include_once(dirname(__FILE__) . "/vendors/htmLawed/htmLawed.php")) {
-
+
global $CONFIG;
-
+
$htmlawed_config = $CONFIG->htmlawed_config;
-
+
if (!is_array($var)) {
$return = "";
$return = htmLawed($var, $htmlawed_config);
} else {
$return = array();
-
+
foreach($var as $key => $el) {
$return[$key] = htmLawed($el, $htmlawed_config);
}
}
}
-
+
return $return;
}
-
-
+
+
register_elgg_event_handler('init','system','htmlawed_init');
-
+
?>