Add website to client repository

Closes #1567 The main reason I'm not simply merging Annika's PR is because this way makes it clearer that I'm taking responsibility for all this code, that it's mostly code I wrote, and also because it makes it easier to ensure that none of the files have been changed. (Not that I don't personally trust Annika, but I have something resembling an obligation to users not to expose them to risks based on personal trust.)
2026-09-09 12:29:11 -05:00 · 2020-07-27 19:32:01 -04:00
parent 5e70d8089d
commit 2105dc8e57
438 changed files with 46346 additions and 0 deletions
--- a/website/lib/htmlpurifier/HTMLPurifier/AttrDef/CSS/TextShadow.php
+++ b/website/lib/htmlpurifier/HTMLPurifier/AttrDef/CSS/TextShadow.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Validates the value for the CSS property text-shadow
+ */
+class HTMLPurifier_AttrDef_CSS_TextShadow extends HTMLPurifier_AttrDef
+{
+
+    protected $color_validator;
+    protected $length_validator;
+
+    /**
+     * @param string $string
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return bool|string
+     */
+    public function validate($string, $config, $context)
+    {
+        if (!$this->color_validator) {
+            $this->color_validator = new HTMLPurifier_AttrDef_CSS_Color();
+        }
+        if (!$this->length_validator) {
+            $this->length_validator = new HTMLPurifier_AttrDef_CSS_Length();
+        }
+
+        $string = strtolower($this->parseCDATA($string));
+
+        if ($string === 'none') {
+            return $string;
+        }
+
+        $shadows = explode(',', $string);
+        $final_shadows = [];
+        foreach ($shadows as $shadow) {
+            $parts = explode(' ', rtrim($shadow));
+
+            $color = $this->color_validator->validate($parts[0], $config, $context);
+            if ($color) {
+                array_shift($parts);
+            }
+
+            $offset_x = $this->length_validator->validate(array_shift($parts), $config, $context);
+            $offset_y = $this->length_validator->validate(array_shift($parts), $config, $context);
+            if ($offset_x === false || $offset_y === false) {
+                continue;
+            }
+
+            $blur_radius = $this->length_validator->validate($parts[0], $config, $context);
+            if ($blur_radius !== false) {
+                array_shift($parts);
+            } else {
+                $blur_radius = 0;
+            }
+
+            if (!isset($parts[0])) return false;
+            if (!$color) {
+                $color = $this->color_validator->validate($parts[0], $config, $context) ?: "";
+            }
+
+            $final_shadows[] = "$offset_x $offset_y $blur_radius $color";
+        }
+        if (count($final_shadows) === 0) {
+            return false;
+        }
+
+        return implode(',', $final_shadows);
+    }
+}
+
+// vim: et sw=4 sts=4