bing_images & www1x engines use https connections

searx/engines/bing_images.py

 # search-url
 base_url = 'https://www.bing.com/'
 search_string = 'images/search?{query}&count=10&first={offset}'
-thumb_url = "http://ts1.mm.bing.net/th?id={ihk}"  # no https, bad certificate
+thumb_url = "https://www.bing.com/th?id={ihk}"
 
 # safesearch definitions
 safesearch_types = {2: 'STRICT',

searx/engines/www1x.py

 paging = False
 
 # search-url, no HTTPS (there is a valid certificate for https://api2.1x.com/ )
-base_url = 'http://1x.com'
+base_url = 'https://1x.com'
 search_url = base_url+'/backend/search.php?{query}'
 
 

searx/tests/engines/test_bing_images.py

         self.assertEqual(results[0]['title'], 'Test Query')
         self.assertEqual(results[0]['url'], 'http://www.page.url/')
         self.assertEqual(results[0]['content'], '')
-        self.assertEqual(results[0]['thumbnail_src'], 'http://ts1.mm.bing.net/th?id=HN.608003696942779811')
+        self.assertEqual(results[0]['thumbnail_src'], 'https://www.bing.com/th?id=HN.608003696942779811')
         self.assertEqual(results[0]['img_src'], 'http://test.url/Test%20Query.jpg')
 
         html = """

searx/tests/engines/test_www1x.py

         results = www1x.response(response)
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 1)
-        self.assertEqual(results[0]['url'], 'http://1x.com/photo/123456')
-        self.assertEqual(results[0]['thumbnail_src'], 'http://1x.com/images/user/testimage-123456.jpg')
+        self.assertEqual(results[0]['url'], 'https://1x.com/photo/123456')
+        self.assertEqual(results[0]['thumbnail_src'], 'https://1x.com/images/user/testimage-123456.jpg')
         self.assertEqual(results[0]['content'], '')
         self.assertEqual(results[0]['template'], 'images.html')