Merge branch 'hotfix/dorktower'

src/ComicSource/DorkTower.php

@@ -13,4 +13,22 @@ class DorkTower extends AbstractRssSource
     protected $feedUrl        = 'http://www.dorktower.com/feed/';
     protected $tagNamespace   = 'http://purl.org/rss/1.0/modules/content/';
     protected $tagWithImage   = 'encoded';
+
+    /**
+     * Override image capturing from content.
+     *
+     * Images have a specific format in the feed; if they do not match that
+     * format, do not use them.
+     *
+     * @param string $content Feed item content
+     * @return false|string
+     */
+    protected function getImageFromContent($content)
+    {
+        $image = parent::getImageFromContent($content);
+        if (! preg_match('#/\d{4}/\d{2}/DorkTower\d+\.(?:jpg|jpeg|png|gif)$#', $image)) {
+            return false;
+        }
+        return $image;
+    }
 }