From ecc284d8a4bb5b0e267b80b3ed6e3cc6f6cf418f Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 24 Aug 2013 02:22:10 -0400
Subject: [PATCH] add a permission check to display a helpful message to the
 user

---
 manifest.json |  2 +-
 popup.js      | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/manifest.json b/manifest.json
index 65a0b89..52374ef 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "minimum_chrome_version": "22",
   "name": "Web Power Switch Manager",
-  "version": "2.0",
+  "version": "2.1",
   "description": "Quickly control Web Power Switches",
   "icons": {
     "128": "images/outlet-128x128.png"
diff --git a/popup.js b/popup.js
index 640aa5b..ee8659a 100644
--- a/popup.js
+++ b/popup.js
@@ -166,6 +166,15 @@ document.addEventListener('DOMContentLoaded', function() {
 		url_base = settings['url'] || settings_defaults['url'];
 		user = settings['user'] || settings_defaults['user'];
 		pass = settings['pass'] || settings_defaults['pass'];
-		fetchpage('index.htm', initpopup);
+		chrome.permissions.contains({
+			origins: [url_base + '/*']
+		}, function(granted) {
+			if (granted)
+				fetchpage('index.htm', initpopup);
+			else
+				setstatus('Missing permissions;<br>please visit the ' +
+				          '<a href="' + chrome.extension.getURL('options.html') + '" target=_blank>settings page</a>' +
+				          '<br>to grant access.');
+		});
 	});
 });
-- 
2.39.2