From 610a6cee5eca3ca433506b5dfea8d239d7cd1a50 Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Sat, 3 Mar 2012 22:40:07 +0100
Subject: Initial commit.

---
 plugin.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 plugin.php

(limited to 'plugin.php')

diff --git a/plugin.php b/plugin.php
new file mode 100644
index 0000000..d0a044f
--- /dev/null
+++ b/plugin.php
@@ -0,0 +1,42 @@
+<?php
+
+class kch42_gravatar extends RatatoeskrPlugin
+{
+	public function ste_tag_kch42_gravatar($ste, $params, $sub)
+	{
+		if(!isset($params["comment"]))
+			throw new \ste\RuntimeError("ste:kch42_gravatar needs the comment parameter.");
+		
+		$ste_comment = $ste->get_var_by_name($params["comment"]);
+		
+		if(isset($ste_comment["__obj"]))
+			$comment = $ste_comment["__obj"];
+		else
+			$comment = Comment::by_id($ste_comment["id"]);
+		
+		$mail_hash = md5(strtolower(trim($comment->author_mail)));
+		
+		$gravatar_args = array("default" => "identicon", "rating" => "g", "size" => "80");
+		$query_fragments = array();
+		foreach($gravatar_args as $key => &$value)
+		{
+			if(isset($params[$key]))
+				$value = $params[$key];
+			$value = htmlspecialchars(urlencode($value));
+			$query_fragments[] = "$key=$value";
+		}
+		
+		$styles = "width: {$gravatar_args["size"]}px; height: {$gravatar_args["size"]}px;" . (isset($params["style"]) ? " " . $params["style"] : "");
+		
+		$protocol = ((!empty($_SERVER["HTTPS"])) and ($_SERVER["HTTPS"] == "on")) ? "https" : "http";
+		
+		return "<img src=\"$protocol://www.gravatar.com/avatar/$mail_hash?" . implode("&", $query_fragments) . "\" style=\"" . htmlspecialchars($styles) . "\" alt=\"\" />";
+	}
+	
+	public function init()
+	{
+		$this->ste->register_tag("kch42_gravatar", array($this, "ste_tag_kch42_gravatar"));
+	}
+}
+
+?>
-- 
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