Add a security scanner api config object for params

Change SecScanAPI to use a uri creation func instead of test context

Pass config provider through validator context

Remove app config dependency for validators

util/secscan/validator.py

@@ -1,28 +1,27 @@
 import logging
 
-import features
-
 
 logger = logging.getLogger(__name__)
 
 
 class SecurityConfigValidator(object):
   """ Helper class for validating the security scanner configuration. """
-  def __init__(self, config):
-    if not features.SECURITY_SCANNER:
+  def __init__(self, feature_sec_scan, sec_scan_endpoint):
+    if not feature_sec_scan:
       return
 
-    self._config = config
+    self._feature_sec_scan = feature_sec_scan
+    self._sec_scan_endpoint = sec_scan_endpoint
 
   def valid(self):
-    if not features.SECURITY_SCANNER:
+    if not self._feature_sec_scan:
       return False
 
-    if self._config.get('SECURITY_SCANNER_ENDPOINT') is None:
+    if self._sec_scan_endpoint is None:
       logger.debug('Missing SECURITY_SCANNER_ENDPOINT configuration')
       return False
 
-    endpoint = self._config.get('SECURITY_SCANNER_ENDPOINT')
+    endpoint = self._sec_scan_endpoint
     if not endpoint.startswith('http://') and not endpoint.startswith('https://'):
       logger.debug('SECURITY_SCANNER_ENDPOINT configuration must start with http or https')
       return False