[enh] default settings option to safe_search - #396

searx/search.py

 from Queue import Queue
 from time import time
 from urlparse import urlparse, unquote
+from searx import settings
 from searx.engines import (
     categories, engines
 )
 
             try:
                 # 0 = None, 1 = Moderate, 2 = Strict
-                request_params['safesearch'] = int(request.cookies.get('safesearch', 1))
+                request_params['safesearch'] = int(request.cookies.get('safesearch'))
             except ValueError:
-                request_params['safesearch'] = 1
+                request_params['safesearch'] = settings['search']['safe_search']
 
             # update request parameters dependent on
             # search-engine (contained in engines folder)

searx/webapp.py

 
     kwargs['method'] = request.cookies.get('method', 'POST')
 
-    kwargs['safesearch'] = request.cookies.get('safesearch', '1')
+    kwargs['safesearch'] = request.cookies.get('safesearch', str(settings['search']['safe_search']))
 
     # override url_for function in templates
     kwargs['url_for'] = url_for_theme
         locale = None
         autocomplete = ''
         method = 'POST'
-        safesearch = '1'
+        safesearch = settings['search']['safe_search']
         for pd_name, pd in request.form.items():
             if pd_name.startswith('category_'):
                 category = pd_name[9:]