return NO_ENDPOINT for webmention target URLs that aren't HTML

snarfed · Sep 12, 2014 · 5d2e75a · 5d2e75a
1 parent 52eda77
commit 5d2e75a
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/webmentiontools/send.py b/webmentiontools/send.py
@@ -30,12 +30,18 @@ def _discoverEndpoint(self):
         r = requests.get(self.target_url, verify=False, **self.requests_kwargs)
         if r.status_code != 200:
             self.error = {
-                'code':'BAD_TARGET_URL',
+                'code': 'BAD_TARGET_URL',
                 'error_description': 'Unable to get target URL.',
                 'request': 'GET %s' % self.target_url,
                 'http_status': r.status_code,
             }
             return
+        elif r.headers.get('content-type') != 'text/html':
+            self.error = {
+                'code': 'NO_ENDPOINT',
+                'error_description': 'Unable to discover webmention endpoint.'
+            }
+            return
         self.html = r.text
 
         # look in the headers