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[tt-rss.git] / lib / htmlpurifier / library / HTMLPurifier / Strategy / RemoveForeignElements.php

diff --git a/lib/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php b/lib/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php
index bccaf14d3c53e653e8ad5bae64ba226bcfb711d1..cf3a33e406eacd22f71502f93d7a2a4484aba3b2 100644 (file)
--- a/lib/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php
+++ b/lib/htmlpurifier/library/HTMLPurifier/Strategy/RemoveForeignElements.php
@@ -21,9 +21,6 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
 
         // currently only used to determine if comments should be kept
         $trusted = $config->get('HTML.Trusted');
-        $comment_lookup = $config->get('HTML.AllowedComments');
-        $comment_regexp = $config->get('HTML.AllowedCommentsRegexp');
-        $check_comments = $comment_lookup !== array() || $comment_regexp !== null;
 
         $remove_script_contents = $config->get('Core.RemoveScriptContents');
         $hidden_elements     = $config->get('Core.HiddenElements');
@@ -131,36 +128,22 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
                 if ($textify_comments !== false) {
                     $data = $token->data;
                     $token = new HTMLPurifier_Token_Text($data);
-                } elseif ($trusted || $check_comments) {
-                    // always cleanup comments
-                    $trailing_hyphen = false;
+                } elseif ($trusted) {
+                    // keep, but perform comment cleaning
                     if ($e) {
                         // perform check whether or not there's a trailing hyphen
                         if (substr($token->data, -1) == '-') {
-                            $trailing_hyphen = true;
+                            $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Trailing hyphen in comment removed');
                         }
                     }
                     $token->data = rtrim($token->data, '-');
                     $found_double_hyphen = false;
                     while (strpos($token->data, '--') !== false) {
-                        $found_double_hyphen = true;
-                        $token->data = str_replace('--', '-', $token->data);
-                    }
-                    if ($trusted || !empty($comment_lookup[trim($token->data)]) || ($comment_regexp !== NULL && preg_match($comment_regexp, trim($token->data)))) {
-                        // OK good
-                        if ($e) {
-                            if ($trailing_hyphen) {
-                                $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Trailing hyphen in comment removed');
-                            }
-                            if ($found_double_hyphen) {
-                                $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Hyphens in comment collapsed');
-                            }
+                        if ($e && !$found_double_hyphen) {
+                            $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Hyphens in comment collapsed');
                         }
-                    } else {
-                        if ($e) {
-                            $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Comment removed');
-                        }
-                        continue;
+                        $found_double_hyphen = true; // prevent double-erroring
+                        $token->data = str_replace('--', '-', $token->data);
                     }
                 } else {
                     // strip comments