[Web] Fall back to raw content when mail parsing fails, fixes #1892

data/web/inc/ajax/qitem_details.php

@@ -40,6 +40,13 @@ if (!empty($_GET['id']) && ctype_alnum($_GET['id'])) {
     $data['text_plain'] = $mail_parser->getMessageBody('text');
     // Get html content and convert to text
     $data['text_html'] = $html2text->convert($mail_parser->getMessageBody('html'));
+    if (empty($data['text_plain']) && empty($data['text_html'])) {
+      // Failed to parse content, try raw
+      $text = trim(substr($mailc['msg'], strpos($mailc['msg'], "\r\n\r\n") + 1));
+      // Only return html->text
+      $data['text_plain'] = 'Parser failed, assuming HTML';
+      $data['text_html'] = $html2text->convert($text);
+    }
     (empty($data['text_plain'])) ? $data['text_plain'] = '-' : null;
     // Get subject
     $data['subject'] = $mail_parser->getHeader('subject');