Add a vulnerability_found event for notice when we detect a vuln

Fixes #637

Note: This PR does *not* actually raise the event; it merely adds support for it

static/js/services/vulnerability-service.js

@@ -0,0 +1,98 @@
+/**
+ * Service which provides helper methods for working with the vulnerability system.
+  */
+angular.module('quay').factory('VulnerabilityService', ['Config', function(Config) {
+  var vulnService = {};
+
+  // NOTE: This objects are used directly in the external-notification-data service, so make sure
+  // to update that code if the format here is changed.
+  vulnService.LEVELS = {
+    'Unknown': {
+      'title': 'Unknown',
+      'index': '6',
+      'level': 'info',
+
+      'description': 'Unknown is either a security problem that has not been assigned ' +
+                     'to a priority yet or a priority that our system did not recognize',
+      'banner_required': false
+    },
+
+    'Negligible': {
+      'title': 'Negligible',
+      'index': '5',
+      'level': 'info',
+
+      'description': 'Negligible is technically a security problem, but is only theoretical ' +
+                     'in nature, requires a very special situation, has almost no install base, ' +
+                     'or does no real damage.',
+      'banner_required': false
+    },
+
+    'Low': {
+      'title': 'Low',
+      'index': '4',
+      'level': 'warning',
+
+      'description': 'Low is a security problem, but is hard to exploit due to environment, ' +
+                     'requires a user-assisted attack, a small install base, or does very ' +
+                     'little damage.',
+      'banner_required': false
+    },
+
+    'Medium': {
+      'title': 'Medium',
+      'value': 'Medium',
+      'index': '3',
+      'level': 'warning',
+
+      'description': 'Medium is a real security problem, and is exploitable for many people. ' +
+                     'Includes network daemon denial of service attacks, cross-site scripting, ' +
+                     'and gaining user privileges.',
+      'banner_required': false
+    },
+
+    'High': {
+      'title': 'High',
+      'value': 'High',
+      'index': '2',
+      'level': 'warning',
+
+      'description': 'High is a real problem, exploitable for many people in a default installation. ' +
+                     'Includes serious remote denial of services, local root privilege escalations, ' +
+                     'or data loss.',
+      'banner_required': false
+    },
+
+    'Critical': {
+      'title': 'Critical',
+      'value': 'Critical',
+      'index': '1',
+      'level': 'error',
+
+      'description': 'Critical is a world-burning problem, exploitable for nearly all people in ' +
+                     'a installation of the package. Includes remote root privilege escalations, ' +
+                     'or massive data loss.',
+      'banner_required': true
+    },
+
+    'Defcon1': {
+      'title': 'Defcon 1',
+      'value': 'Defcon1',
+      'index': '0',
+      'level': 'error',
+
+      'description': 'Defcon1 is a Critical problem which has been manually highlighted ' +
+                     'by the Quay team. It requires immediate attention.',
+      'banner_required': true
+    }
+  };
+
+  vulnService.getLevels = function() {
+    return Object.keys(vulnService.LEVELS).map(function(key) {
+      return vulnService.LEVELS[key];
+    });
+  };
+
+  return vulnService;
+}]);
+