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-rw-r--r--library/HTMLPurifier/AttrTransform/Background.php23
1 files changed, 23 insertions, 0 deletions
diff --git a/library/HTMLPurifier/AttrTransform/Background.php b/library/HTMLPurifier/AttrTransform/Background.php
new file mode 100644
index 000000000..0e1ff24a3
--- /dev/null
+++ b/library/HTMLPurifier/AttrTransform/Background.php
@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Pre-transform that changes proprietary background attribute to CSS.
+ */
+class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform {
+
+ public function transform($attr, $config, $context) {
+
+ if (!isset($attr['background'])) return $attr;
+
+ $background = $this->confiscateAttr($attr, 'background');
+ // some validation should happen here
+
+ $this->prependCSS($attr, "background-image:url($background);");
+
+ return $attr;
+
+ }
+
+}
+
+// vim: et sw=4 sts=4