1 files changed, 55 insertions, 0 deletions
diff --git a/mod/lightbox/thumbnail.php b/mod/lightbox/thumbnail.php
new file mode 100644
index 000000000..aa6675f21
--- /dev/null
+++ b/mod/lightbox/thumbnail.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Elgg image thumbnail
+ *
+ * @package ElggLightbox
+ */
+
+// Get engine
+require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
+
+// Get entity GUID
+$guid = (int) get_input('guid', 0);
+
+// Get thumbnail size
+$size = get_input('size', 'small');
+
+// Get image or album cover
+$entity = new LightboxPluginImage($guid);
+if (!$entity->guid) {
+	exit;
+}
+
+
+// Get entity thumbnail
+switch ($size) {
+	case "small":
+		$thumb = $entity->thumbnail;
+		break;
+	case "medium":
+		$thumb = $entity->smallthumb;
+		break;
+	case "large":
+	default:
+		$thumb = $entity->largethumb;
+		break;
+}
+
+// Grab the file
+if ($thumb && !empty($thumb)) {
+	$readfile = new ElggFile();
+	$readfile->owner_guid = $entity->owner_guid;
+	$readfile->setFilename($thumb);
+	$mime = $entity->getMimeType();
+	$contents = $readfile->grabFile();
+
+	// caching images for 10 days
+	header("Content-type: $mime");
+	header('Expires: ' . date('r',time() + 864000));
+	header("Pragma: public", true);
+	header("Cache-Control: public", true);
+	header("Content-Length: " . strlen($contents));
+
+	echo $contents;
+	exit;
+}