creecros · Chaosmeister · Nov 22, 2023 · Oct 23, 2023 · Oct 24, 2023 · Nov 3, 2023
diff --git a/Assets/js/checkbox.js b/Assets/js/checkbox.js
@@ -23,10 +23,10 @@ KB.on('dom.ready', function () {
             else {
                 link = '?controller=CheckboxController&action=toggle&plugin=MarkdownPlus';
             }
-            
+
             KB.http.postJson(link, {
                 'task_id': task_id,
-                'number': e.target.getAttribute('number')
+                'number': e.target.dataset.number
             });
         }
     }

diff --git a/Controller/CheckboxController.php b/Controller/CheckboxController.php
@@ -7,7 +7,29 @@
 
 class CheckboxController extends BaseController
 {
-    private const regexCheckbox = '/\[[x, ]\]/m';
+    /*
+    # must match
+    + [x] 2
+    * [ ] 3 
+    > - [ ] 1
+    + [x] 2
+    * [ ] 3 
+    > > * * [ ] 3 
+    > * > * * [ ] 3 
+    [ ] test 8
+
+    # must not match:
+
+    - [x]1
+    + [ ]
+    test [x]  
+    test [x]  
+    [] test 3  
+    [a] test  
+    [x](www.google.de) test4
+    */
+
+    private const regexCheckbox = '/^([+,\-,*,>, ] )*(\[[x, ]\] )/m';
 
     private function findCheckBox($text, $number, &$offset)
     {
@@ -17,7 +39,9 @@ private function findCheckBox($text, $number, &$offset)
         if ($offset >= $number) {
             return array(
                 'success' => true,
-                'offset' => $matches[0][$count - $offset + $number - 1][1] + 1
+                'offset' => end($matches) // the actual box [ ]/[x]
+                [$count - $offset + $number - 1] // the requested checkbox
+                [1] + 1 // the offset to the checkbox content
             );
         }
         return array('success' => false);
@@ -35,69 +59,71 @@ private function togglechar(&$string, $offset)
     public function toggle()
     {
         $values = $this->request->getJson();
-
-        $foundCheckboxes = 0;
-        $number = intval($values['number']);
         $taskId = $values['task_id'];
 
         if (isset($taskId)) {
             $task = $this->taskFinderModel->getById($taskId);
 
-            $text = $task['description'];
-            $result = $this->findCheckBox($text, $number, $foundCheckboxes);
-            if ($result['success']) {
-                $this->togglechar($text, $result['offset']);
-                $task['description'] = $text;
-                $this->taskModificationModel->update($task);
-                return;
-            }
+            if ($task) {
+                $foundCheckboxes = 0;
+                $number = intval($values['number']);
 
-            if (isset($this->container["definitionOfDoneModel"])) {
-                foreach ($this->definitionOfDoneModel->getAll($taskId) as $subtask) {
-                    $dod = $this->definitionOfDoneModel->getById($subtask['id']);
+                $text = $task['description'];
+                $result = $this->findCheckBox($text, $number, $foundCheckboxes);
+                if ($result['success']) {
+                    $this->togglechar($text, $result['offset']);
+                    $task['description'] = $text;
+                    $this->taskModificationModel->update($task);
+                    return;
+                }
 
-                    $result = $this->findCheckBox($dod['title'], $number, $foundCheckboxes);
-                    if ($result['success']) {
-                        $this->togglechar($dod['title'], $result['offset']);
-                        $this->definitionOfDoneModel->save($dod);
-                        return;
+                if (isset($this->container["definitionOfDoneModel"])) {
+                    foreach ($this->definitionOfDoneModel->getAll($taskId) as $subtask) {
+                        $dod = $this->definitionOfDoneModel->getById($subtask['id']);
+
+                        $result = $this->findCheckBox($dod['title'], $number, $foundCheckboxes);
+                        if ($result['success']) {
+                            $this->togglechar($dod['title'], $result['offset']);
+                            $this->definitionOfDoneModel->save($dod);
+                            return;
+                        }
+
+                        $result = $this->findCheckBox($dod['text'], $number, $foundCheckboxes);
+                        if ($result['success']) {
+                            $this->togglechar($dod['text'], $result['offset']);
+                            $this->definitionOfDoneModel->save($dod);
+                            return;
+                        }
                     }
+                }
 
-                    $result = $this->findCheckBox($dod['text'], $number, $foundCheckboxes);
-                    if ($result['success']) {
-                        $this->togglechar($dod['text'], $result['offset']);
-                        $this->definitionOfDoneModel->save($dod);
-                        return;
+                if (isset($this->container["subtaskResultModel"])) {
+                    foreach ($this->subtaskModel->getAll($taskId) as $subtask) {
+                        $text = $this->subtaskResultModel->getById($subtask['id']);
+                        $result = $this->findCheckBox($text, $number, $foundCheckboxes);
+                        if ($result['success']) {
+                            $this->togglechar($text, $result['offset']);
+                            $this->subtaskResultModel->Save($subtask['id'], $text);
+                            return;
+                        }
                     }
                 }
-            }
 
-            if (isset($this->container["subtaskResultModel"])) {
-                foreach ($this->subtaskModel->getAll($taskId) as $subtask) {
-                    $text = $this->subtaskResultModel->getById($subtask['id']);
+                $commentSortingDirection = $this->userMetadataCacheDecorator->get(UserMetadataModel::KEY_COMMENT_SORTING_DIRECTION, 'ASC');
+
+                foreach ($this->commentModel->getAll($taskId, $commentSortingDirection) as $comment) {
+                    $text = $comment['comment'];
+
                     $result = $this->findCheckBox($text, $number, $foundCheckboxes);
+
                     if ($result['success']) {
                         $this->togglechar($text, $result['offset']);
-                        $this->subtaskResultModel->Save($subtask['id'], $text);
+                        $comment['comment'] = $text;
+                        $this->commentModel->update($comment);
                         return;
                     }
                 }
             }
-
-            $commentSortingDirection = $this->userMetadataCacheDecorator->get(UserMetadataModel::KEY_COMMENT_SORTING_DIRECTION, 'ASC');
-
-            foreach ($this->commentModel->getAll($taskId, $commentSortingDirection) as $comment) {
-                $text = $comment['comment'];
-
-                $result = $this->findCheckBox($text, $number, $foundCheckboxes);
-
-                if ($result['success']) {
-                    $this->togglechar($text, $result['offset']);
-                    $comment['comment'] = $text;
-                    $this->commentModel->update($comment);
-                    return;
-                }
-            }
         }
     }
 }
diff --git a/Helper/CoreMarkdown.php b/Helper/CoreMarkdown.php
@@ -63,7 +63,7 @@ protected function inlineTaskLink(array $Excerpt)
         if (preg_match('!#(\d+)!i', $Excerpt['text'], $matches)) {
             $link = $this->buildTaskLink($matches[1]);
 
-            if (! empty($link)) {
+            if (!empty($link)) {
                 return array(
                     'extent' => strlen($matches[0]),
                     'element' => array(
@@ -89,11 +89,11 @@ protected function inlineTaskLink(array $Excerpt)
      */
     protected function inlineUserLink(array $Excerpt)
     {
-        if (! $this->isPublicLink && preg_match('/^@([^\s,!:?]+)/', $Excerpt['text'], $matches)) {
+        if (!$this->isPublicLink && preg_match('/^@([^\s,!:?]+)/', $Excerpt['text'], $matches)) {
             $username = rtrim($matches[1], '.');
             $user = $this->container['userCacheDecorator']->getByUsername($username);
 
-            if (! empty($user)) {
+            if (!empty($user)) {
                 $url = $this->container['helper']->url->to('UserViewController', 'profile', array('user_id' => $user['id']));
                 $name = $user['name'] ?: $user['username'];
 
@@ -128,7 +128,7 @@ private function buildTaskLink($task_id)
         if ($this->isPublicLink) {
             $token = $this->container['memoryCache']->proxy($this->container['taskFinderModel'], 'getProjectToken', $task_id);
 
-            if (! empty($token)) {
+            if (!empty($token)) {
                 return $this->container['helper']->url->to(
                     'TaskViewController',
                     'readonly',
@@ -165,4 +165,31 @@ protected function inlineLink($Excerpt)
         }
         return $Inline;
     }
-}
+
+    function text($text)
+    {
+        $markup = parent::text($text);
+
+        $this->nummerizeCheckboxes($markup);
+
+        return $markup;
+    }
+
+    private function nummerizeCheckboxes(&$markup)
+    {
+        $counter = new Counter;
+        $count = 0;
+
+        $markup = preg_replace_callback("/activecheckbox\"/m", array($counter, 'count'), $markup, -1, $count, PREG_OFFSET_CAPTURE);
+    }
+}
+
+class Counter
+{
+    private static $count = 0;
+
+    public function count($matches) {
+        $this::$count++;
+        return $matches[0][0] . " data-number=". $this::$count . " ";
+    }
+};
diff --git a/vendor/erusev/parsedown-extra/ParsedownExtra.php b/vendor/erusev/parsedown-extra/ParsedownExtra.php
@@ -628,19 +628,30 @@ protected function processTag($elementMarkup) # recursive
         $elementMarkup = mb_convert_encoding($elementMarkup, 'HTML-ENTITIES', 'UTF-8');
 
         # http://stackoverflow.com/q/4879946/200145
-        $DOMDocument->loadHTML($elementMarkup);
-
-        if (!$DOMDocument->validate()) {
-            $errormessage = 'could not parse html<br>';
-            $errors = libxml_get_errors();
+        $success = $DOMDocument->loadHTML($elementMarkup);
+        $DOMDocument->removeChild($DOMDocument->doctype);
+
+        $errors = libxml_get_errors();
+        if ($errors)
+        {
+            $errormessage = "<h1>HTML-parser error:</h1><br>";
+            $errormessage .= "The input was interpret as HTML - did you miss the <code>markdown=1</code> attribute?<br>";
             foreach ($errors as $error) {
-                $errormessage .= $error->message;
+                $errormessage .= "Line: " . $error->line . " - " . $error->message;
                 $errormessage .= '<br>';
             }
             return $errormessage;
         }
 
-        $DOMDocument->removeChild($DOMDocument->doctype);
+        if (!isset($DOMDocument->firstChild->firstChild->firstChild))
+        {
+            $errormessage = "<h1>General HTML-parser error:</h1><br>";
+            $errormessage .= "The input was interpret as HTML - did you miss the <code>markdown=1</code> attribute?<br>";
+            $errormessage .= "Input:<pre><code>" . htmlspecialchars($elementMarkup) . "</code></pre>";
+            $errormessage .= "Output:<pre><code>" . htmlspecialchars($DOMDocument->saveHTML()) . "</code></pre>";
+            return $errormessage;
+        }
+
         $DOMDocument->replaceChild($DOMDocument->firstChild->firstChild->firstChild, $DOMDocument->firstChild);
 
         $elementText = '';

diff --git a/vendor/erusev/parsedown/Parsedown.php b/vendor/erusev/parsedown/Parsedown.php
@@ -1977,7 +1977,7 @@ static function instance($name = 'default')
     protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+';
 
     protected $voidElements = array(
-        'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source',
+        'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source'
     );
 
     protected $textLevelElements = array(

diff --git a/vendor/leblanc-simon/parsedown-checkbox/ParsedownCheckbox.php b/vendor/leblanc-simon/parsedown-checkbox/ParsedownCheckbox.php
@@ -74,7 +74,7 @@ protected function checkboxUnchecked($text)
             $text = self::escape($text);
         }
 
-        return '<input type="checkbox" class="activecheckbox" number="'. ParsedownCheckbox::$count++ .'"/> ' . $this->format($text);
+        return '<input type="checkbox" class="activecheckbox"> ' . $this->format($text);
     }
 
     protected function checkboxChecked($text)
@@ -83,7 +83,7 @@ protected function checkboxChecked($text)
             $text = self::escape($text);
         }
 
-        return '<input type="checkbox" class="activecheckbox" number="'. ParsedownCheckbox::$count++ .'" checked/> ' . $this->format($text);
+        return '<input type="checkbox" class="activecheckbox" checked/> ' . $this->format($text);
     }
 
     /**