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CacheablePerformanceTimingData.h (3687B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_CacheablePerformanceTimingData_h
      8 #define mozilla_dom_CacheablePerformanceTimingData_h
      9 
     10 #include <stdint.h>
     11 
     12 #include "nsCOMPtr.h"
     13 #include "nsITimedChannel.h"
     14 #include "nsString.h"
     15 #include "nsTArray.h"
     16 
     17 class nsIHttpChannel;
     18 
     19 namespace mozilla::dom {
     20 
     21 class IPCPerformanceTimingData;
     22 
     23 // The subset of PerformanceResourceTiming data that can be cached for the
     24 // subsequent requests from a compatible principal.
     25 //
     26 // This includes the data extracted from the server response, but doesn't
     27 // include any timing data.
     28 class CacheablePerformanceTimingData {
     29 public:
     30  CacheablePerformanceTimingData() = default;
     31 
     32  CacheablePerformanceTimingData(nsITimedChannel* aChannel,
     33                                 nsIHttpChannel* aHttpChannel);
     34 
     35 protected:
     36  explicit CacheablePerformanceTimingData(
     37      const CacheablePerformanceTimingData& aOther);
     38 
     39  explicit CacheablePerformanceTimingData(
     40      const IPCPerformanceTimingData& aIPCData);
     41 
     42 public:
     43  bool IsInitialized() const { return mInitialized; }
     44 
     45  const nsString& NextHopProtocol() const { return mNextHopProtocol; }
     46 
     47  uint64_t EncodedBodySize() const { return mEncodedBodySize; }
     48 
     49  uint64_t DecodedBodySize() const { return mDecodedBodySize; }
     50 
     51  uint16_t ResponseStatus() const { return mResponseStatus; }
     52 
     53  const nsString& ContentType() const { return mContentType; }
     54 
     55  uint8_t RedirectCountReal() const { return mRedirectCount; }
     56  uint8_t GetRedirectCount() const;
     57 
     58  bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; }
     59 
     60  // Cached result of CheckBodyInfoAccessAllowedForOrigin.
     61  nsITimedChannel::BodyInfoAccess BodyInfoAccessAllowed() const {
     62    return mBodyInfoAccessAllowed;
     63  }
     64 
     65  // Cached result of CheckTimingAllowedForOrigin. If false, security sensitive
     66  // attributes of the resourceTiming object will be set to 0
     67  bool TimingAllowed() const { return mTimingAllowed; }
     68 
     69  nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming();
     70 
     71 protected:
     72  void SetCacheablePropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
     73                                             nsITimedChannel* aChannel);
     74 
     75 private:
     76  // Checks if the bodyInfo for Resource and Navigation Timing should be
     77  // kept opaque or exposed, per Fetch spec.
     78  nsITimedChannel::BodyInfoAccess CheckBodyInfoAccessAllowedForOrigin(
     79      nsIHttpChannel* aResourceChannel, nsITimedChannel* aChannel);
     80 
     81  // Checks if the resource is either same origin as the page that started
     82  // the load, or if the response contains the Timing-Allow-Origin header
     83  // with a value of * or matching the domain of the loading Principal
     84  bool CheckTimingAllowedForOrigin(nsIHttpChannel* aResourceChannel,
     85                                   nsITimedChannel* aChannel);
     86 
     87 protected:
     88  uint64_t mEncodedBodySize = 0;
     89  uint64_t mDecodedBodySize = 0;
     90 
     91  uint16_t mResponseStatus = 0;
     92 
     93  uint8_t mRedirectCount = 0;
     94 
     95  nsITimedChannel::BodyInfoAccess mBodyInfoAccessAllowed =
     96      nsITimedChannel::BodyInfoAccess::DISALLOWED;
     97 
     98  bool mAllRedirectsSameOrigin = false;
     99 
    100  bool mAllRedirectsPassTAO = false;
    101 
    102  bool mSecureConnection = false;
    103 
    104  bool mTimingAllowed = false;
    105 
    106  bool mInitialized = false;
    107 
    108  nsString mNextHopProtocol;
    109  nsString mContentType;
    110 
    111  nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming;
    112 };
    113 
    114 }  // namespace mozilla::dom
    115 
    116 #endif  // mozilla_dom_CacheablePerformanceTimingData_h