content/browser/service_worker/service_worker_utils.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
   7
   8 #include "base/macros.h"
   9 #include "content/common/content_export.h"
  10 #include "content/common/service_worker/service_worker_status_code.h"
  11 #include "content/public/common/resource_type.h"
  12 #include "url/gurl.h"
  13
  14 namespace content {
  15
  16 class ServiceWorkerUtils {
  17  public:
  18   static bool IsMainResourceType(ResourceType type) {
  19     return IsResourceTypeFrame(type) || type == RESOURCE_TYPE_SHARED_WORKER;
  20   }
  21
  22   // A helper for creating a do-nothing status callback.
  23   static void NoOpStatusCallback(ServiceWorkerStatusCode status) {}
  24
  25   // Returns true if |scope| matches |url|.
  26   CONTENT_EXPORT static bool ScopeMatches(const GURL& scope, const GURL& url);
  27
  28   // Returns true if the script at |script_url| is allowed to control |scope|
  29   // according to Service Worker's path restriction policy. If
  30   // |service_worker_allowed| is not null, it points to the
  31   // Service-Worker-Allowed header value.
  32   CONTENT_EXPORT static bool IsPathRestrictionSatisfied(
  33       const GURL& scope,
  34       const GURL& script_url,
  35       const std::string* service_worker_allowed_header_value,
  36       std::string* error_message);
  37
  38   static bool ContainsDisallowedCharacter(const GURL& scope,
  39                                           const GURL& script_url,
  40                                           std::string* error_message);
  41 };
  42
  43 class CONTENT_EXPORT LongestScopeMatcher {
  44  public:
  45   explicit LongestScopeMatcher(const GURL& url) : url_(url) {}
  46   virtual ~LongestScopeMatcher() {}
  47
  48   // Returns true if |scope| matches |url_| longer than |match_|.
  49   bool MatchLongest(const GURL& scope);
  50
  51  private:
  52   const GURL url_;
  53   GURL match_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(LongestScopeMatcher);
  56 };
  57
  58 }  // namespace content
  59
  60 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_