cws-status: Add error when not authenticated

1 files changed, 7 insertions, 0 deletions

diff --git a/cws-status b/cws-status
index 2dc1aa9..6f6a334 100644
--- a/cws-status
+++ b/cws-status
@@ -9,6 +9,7 @@ from lxml import html
 
 
 EX_USAGE = 64
+EX_NOUSER = 67
 
 
 if len(sys.argv) < 2:
@@ -28,6 +29,12 @@ opener = request.build_opener(request.HTTPCookieProcessor(cookie_jar))
 
 page_html = opener.open(url).read()
 
+not_logged_in_search = b'Sign in to continue to Chrome Web Store'
+
+if not_logged_in_search in page_html:
+    print('error: not authenticated', file=sys.stderr)
+    sys.exit(EX_NOUSER)
+
 tree = html.fromstring(page_html)
 
 item_names = tree.xpath('//table[//th[text()="Item"]]/tbody/tr/td[1]/a/div//text()')