1 files changed, 48 insertions, 0 deletions
diff --git a/init.php b/init.php
new file mode 100644
index 0000000..c16b903
--- /dev/null
+++ b/init.php
@@ -0,0 +1,48 @@
+<?php
+class Af_Youtube_Thumb extends Plugin {
+	private $host;
+
+	function about() {
+		return array(null,
+			"Show Youtube videos as clickable thumbnails",
+			"fox");
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+		$host->add_hook($host::HOOK_RENDER_ENCLOSURE, $this);
+	}
+
+	function get_css() {
+		return file_get_contents(__DIR__ . "/init.css");
+	}
+
+	function hook_render_enclosure($entry, $hide_images) {
+
+		$matches = array();
+		$url = $entry["content_url"];
+
+		if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $url, $matches) ||
+			preg_match("/\/\/www\.youtube\.com\/watch?v=([\w-]+)/", $url, $matches) ||
+			preg_match("/\/\/youtu.be\/([\w-]+)/", $url, $matches)) {
+
+			$vid_id = $matches[1];
+
+			$thumb_url = htmlspecialchars("https://img.youtube.com/vi/$vid_id/hqdefault.jpg");
+			$url = htmlspecialchars($url);
+
+			return "<a target='_blank' rel='noopener noreferrer' href=\"$url\" title=\"".$this->__("Click to open video")."\">
+				<div class='youtube-thumb'>
+					<img class='thumbnail' src=\"$thumb_url\" referrerpolicy='no-referrer'>
+					<div class='watermark' src=\"plugins.local/af_youtube_thumb/img/youtube.svg\">
+				</div>
+			</a>";
+		}
+	}
+
+	function api_version() {
+		return 2;
+	}
+
+}