From ab6222084d56671d1c69cf10c2c5177c6d286473 Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Sun, 20 Aug 2006 03:45:47 +0000
Subject: [PATCH] Experimental OpenSearch description

---
 includes/Skin.php   |  9 ++++++++-
 opensearch_desc.php | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 opensearch_desc.php

diff --git a/includes/Skin.php b/includes/Skin.php
index 45fca59842..69804dced0 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -157,7 +157,7 @@ class Skin extends Linker {
 	}
 
 	function initPage( &$out ) {
-		global $wgFavicon;
+		global $wgFavicon, $wgScriptPath;
 
 		$fname = 'Skin::initPage';
 		wfProfileIn( $fname );
@@ -166,6 +166,13 @@ class Skin extends Linker {
 			$out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 		}
 
+		# OpenSearch description link
+		$out->addLink( array( 
+			'rel' => 'search', 
+			'type' => 'application/opensearchdescription+xml',
+			'href' => "$wgScriptPath/opensearch_desc.php"
+		));
+
 		$this->addMetadataLinks($out);
 
 		$this->mRevisionId = $out->mRevisionId;
diff --git a/opensearch_desc.php b/opensearch_desc.php
new file mode 100644
index 0000000000..6aeacc4b40
--- /dev/null
+++ b/opensearch_desc.php
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Generate an OpenSearch description file
+ */
+
+require_once( dirname(__FILE__) . '/includes/WebStart.php' );
+$shortName = htmlspecialchars( mb_substr( $wgSitename, 0, 16 ) );
+$siteName = htmlspecialchars( $wgSitename );
+$favicon = htmlspecialchars( $wgFavicon );
+$title = Title::makeTitle( NS_SPECIAL, 'Search' );
+$template = $title->getFullURL( 'search={searchTerms}' );
+
+$response = $wgRequest->response();
+$response->header( 'Content-type: application/opensearchdescription+xml' );
+
+# Set an Expires header so that squid can cache it for a short time
+# Short enough so that the sysadmin barely notices when $wgSitename is changed
+$expiryTime = 300; # 5 minutes
+$response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expiryTime ) . ' GMT' );
+
+echo <<<EOT
+<?xml version="1.0"?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+<ShortName>$shortName</ShortName>
+<Description>$siteName</Description>
+<Image height="16" width="16" type="image/x-icon">$favicon</Image>
+<Url type="text/html" method="get" template="$template"/>
+</OpenSearchDescription>
+EOT;
+
+?>
-- 
2.20.1