Add markdown_escape setting

[github/shaarli/Shaarli.git] / plugins / markdown / markdown.php

diff --git a/plugins/markdown/markdown.php b/plugins/markdown/markdown.php
index a764b6fa88520711ec6b46183894040055e6fe3a..de7c823dfa4731c9d71a593db3f2a1530fb41d25 100644 (file)
--- a/plugins/markdown/markdown.php
+++ b/plugins/markdown/markdown.php
@@ -14,18 +14,19 @@ define('NO_MD_TAG', 'nomarkdown');
 /**
  * Parse linklist descriptions.
  *
- * @param array $data linklist data.
+ * @param array         $data linklist data.
+ * @param ConfigManager $conf instance.
  *
  * @return mixed linklist data parsed in markdown (and converted to HTML).
  */
-function hook_markdown_render_linklist($data)
+function hook_markdown_render_linklist($data, $conf)
 {
     foreach ($data['links'] as &$value) {
         if (!empty($value['tags']) && noMarkdownTag($value['tags'])) {
-            $value['taglist'] = stripNoMarkdownTag($value['taglist']);
+            $value = stripNoMarkdownTag($value);
             continue;
         }
-        $value['description'] = process_markdown($value['description']);
+        $value['description'] = process_markdown($value['description'], $conf->get('security.markdown_escape', true));
     }
     return $data;
 }
@@ -34,17 +35,18 @@ function hook_markdown_render_linklist($data)
  * Parse feed linklist descriptions.
  *
  * @param array $data linklist data.
+ * @param ConfigManager $conf instance.
  *
  * @return mixed linklist data parsed in markdown (and converted to HTML).
  */
-function hook_markdown_render_feed($data)
+function hook_markdown_render_feed($data, $conf)
 {
     foreach ($data['links'] as &$value) {
         if (!empty($value['tags']) && noMarkdownTag($value['tags'])) {
-            $value['tags'] = stripNoMarkdownTag($value['tags']);
+            $value = stripNoMarkdownTag($value);
             continue;
         }
-        $value['description'] = process_markdown($value['description']);
+        $value['description'] = process_markdown($value['description'], $conf->get('security.markdown_escape', true));
     }
 
     return $data;
@@ -53,19 +55,24 @@ function hook_markdown_render_feed($data)
 /**
  * Parse daily descriptions.
  *
- * @param array $data daily data.
+ * @param array         $data daily data.
+ * @param ConfigManager $conf instance.
  *
  * @return mixed daily data parsed in markdown (and converted to HTML).
  */
-function hook_markdown_render_daily($data)
+function hook_markdown_render_daily($data, $conf)
 {
     // Manipulate columns data
     foreach ($data['cols'] as &$value) {
         foreach ($value as &$value2) {
             if (!empty($value2['tags']) && noMarkdownTag($value2['tags'])) {
+                $value2 = stripNoMarkdownTag($value2);
                 continue;
             }
-            $value2['formatedDescription'] = process_markdown($value2['formatedDescription']);
+            $value2['formatedDescription'] = process_markdown(
+                $value2['formatedDescription'],
+                $conf->get('security.markdown_escape', true)
+            );
         }
     }
 
@@ -81,20 +88,30 @@ function hook_markdown_render_daily($data)
  */
 function noMarkdownTag($tags)
 {
-    return strpos($tags, NO_MD_TAG) !== false;
+    return preg_match('/(^|\s)'. NO_MD_TAG .'(\s|$)/', $tags);
 }
 
 /**
  * Remove the no-markdown meta tag so it won't be displayed.
  *
- * @param string $tags Tag list.
+ * @param array $link Link data.
  *
- * @return string tag list without no markdown tag.
+ * @return array Updated link without no markdown tag.
  */
-function stripNoMarkdownTag($tags)
+function stripNoMarkdownTag($link)
 {
-    unset($tags[array_search(NO_MD_TAG, $tags)]);
-    return array_values($tags);
+    if (! empty($link['taglist'])) {
+        $offset = array_search(NO_MD_TAG, $link['taglist']);
+        if ($offset !== false) {
+            unset($link['taglist'][$offset]);
+        }
+    }
+
+    if (!empty($link['tags'])) {
+        str_replace(NO_MD_TAG, '', $link['tags']);
+    }
+
+    return $link;
 }
 
 /**
@@ -239,7 +256,7 @@ function sanitize_html($description)
             $description);
     }
     $description = preg_replace(
-        '#(<[^>]+)on[a-z]*="[^"]*"#is',
+        '#(<[^>]+)on[a-z]*="?[^ "]*"?#is',
         '$1',
         $description);
     return $description;
@@ -254,10 +271,11 @@ function sanitize_html($description)
  *   5. Wrap description in 'markdown' CSS class.
  *
  * @param string $description input description text.
+ * @param bool   $escape      escape HTML entities
  *
  * @return string HTML processed $description.
  */
-function process_markdown($description)
+function process_markdown($description, $escape = true)
 {
     $parsedown = new Parsedown();
 
@@ -267,7 +285,7 @@ function process_markdown($description)
     $processedDescription = reverse_text2clickable($processedDescription);
     $processedDescription = unescape($processedDescription);
     $processedDescription = $parsedown
-        ->setMarkupEscaped(false)
+        ->setMarkupEscaped($escape)
         ->setBreaksEnabled(true)
         ->text($processedDescription);
     $processedDescription = sanitize_html($processedDescription);