Initial commit

#pma/libraries/plugins/transformations/abs/TextImageLinkTransformationsPlugin.php

@@ -0,0 +1,73 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Abstract class for the image link transformations plugins
+ *
+ * @package    PhpMyAdmin-Transformations
+ * @subpackage ImageLink
+ */
+namespace PMA\libraries\plugins\transformations\abs;
+
+use PMA\libraries\plugins\TransformationsPlugin;
+
+if (!defined('PHPMYADMIN')) {
+    exit;
+}
+
+/**
+ * Provides common methods for all of the image link transformations plugins.
+ *
+ * @package PhpMyAdmin
+ */
+abstract class TextImageLinkTransformationsPlugin extends TransformationsPlugin
+{
+    /**
+     * Gets the transformation description of the specific plugin
+     *
+     * @return string
+     */
+    public static function getInfo()
+    {
+        return __(
+            'Displays an image and a link; the column contains the filename. The'
+            . ' first option is a URL prefix like "https://www.example.com/". The'
+            . ' second and third options are the width and the height in pixels.'
+        );
+    }
+
+    /**
+     * Does the actual work of each specific transformations plugin.
+     *
+     * @param string $buffer  text to be transformed
+     * @param array  $options transformation options
+     * @param string $meta    meta information
+     *
+     * @return string
+     */
+    public function applyTransformation($buffer, $options = array(), $meta = '')
+    {
+        $url = (isset($options[0]) ? $options[0] : '') . $buffer;
+        /* Do not allow javascript links */
+        if (! PMA_checkLink($url, true, true)) {
+            return htmlspecialchars($url);
+        }
+        return '<a href="' . htmlspecialchars($url)
+            . '" rel="noopener noreferrer" target="_blank"><img src="' . htmlspecialchars($url)
+            . '" border="0" width="' . (isset($options[1]) ? intval($options[1]) : 100)
+            . '" height="' . (isset($options[2]) ? intval($options[2]) : 50) . '" />'
+            . htmlspecialchars($buffer) . '</a>';
+    }
+
+
+    /* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
+
+    /**
+     * Gets the transformation name of the specific plugin
+     *
+     * @return string
+     */
+    public static function getName()
+    {
+        return "Image Link";
+    }
+}