ReportingHeader.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_ReportingHeader_h

#define mozilla_dom_ReportingHeader_h

#include "mozilla/TimeStamp.h"

#include "nsClassHashtable.h"

#include "nsIObserver.h"

#include "nsITimer.h"

#include "nsTObserverArray.h"

class nsIHttpChannel;

class nsIPrincipal;

class nsIURI;

namespace mozilla {

class OriginAttributesPattern;

namespace ipc {

class PrincipalInfo;

namespace dom {

class ReportingHeader final : public nsIObserver,

                              public nsITimerCallback,

                              public nsINamed {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIOBSERVER

  NS_DECL_NSITIMERCALLBACK

  NS_DECL_NSINAMED

  static void Initialize();

  // Exposed structs for gtests

  struct Endpoint {

    nsCOMPtr<nsIURI> mUrl;

    uint32_t mPriority;

    uint32_t mWeight;

};

  struct Group {

    nsString mName;

    bool mIncludeSubdomains;

    int32_t mTTL;

    TimeStamp mCreationTime;

    nsTObserverArray<Endpoint> mEndpoints;

};

  struct Client {

    nsTObserverArray<Group> mGroups;

};

  static UniquePtr<Client> ParseHeader(nsIHttpChannel* aChannel, nsIURI* aURI,

                                       const nsACString& aHeaderValue);

  static void GetEndpointForReport(

      const nsAString& aGroupName,

      const mozilla::ipc::PrincipalInfo& aPrincipalInfo,

      nsACString& aEndpointURI);

  static void GetEndpointForReport(const nsAString& aGroupName,

                                   nsIPrincipal* aPrincipal,

                                   nsACString& aEndpointURI);

  static void RemoveEndpoint(const nsAString& aGroupName,

                             const nsACString& aEndpointURL,

                             const mozilla::ipc::PrincipalInfo& aPrincipalInfo);

  // ChromeOnly-WebIDL methods

  static bool HasReportingHeaderForOrigin(const nsACString& aOrigin);

 private:

  ReportingHeader();

  ~ReportingHeader();

  static void Shutdown();

  // Checks if a channel contains a Report-To header and parses its value.

  void ReportingFromChannel(nsIHttpChannel* aChannel);

  // This method checks if the protocol handler of the URI has the

  // URI_IS_POTENTIALLY_TRUSTWORTHY flag.

  bool IsSecureURI(nsIURI* aURI) const;

  void RemoveOriginsFromHost(const nsAString& aHost);

  void RemoveOriginsFromOriginAttributesPattern(

      const OriginAttributesPattern& aPattern);

  void RemoveOrigins();

  void RemoveOriginsForTTL();

  void MaybeCreateCleanupTimer();

  void MaybeCancelCleanupTimer();

  static void LogToConsoleInvalidJSON(nsIHttpChannel* aChannel, nsIURI* aURI);

  static void LogToConsoleDuplicateGroup(nsIHttpChannel* aChannel, nsIURI* aURI,

                                         const nsAString& aName);

  static void LogToConsoleInvalidNameItem(nsIHttpChannel* aChannel,

                                          nsIURI* aURI);

  static void LogToConsoleIncompleteItem(nsIHttpChannel* aChannel, nsIURI* aURI,

                                         const nsAString& aName);

  static void LogToConsoleIncompleteEndpoint(nsIHttpChannel* aChannel,

                                             nsIURI* aURI,

                                             const nsAString& aName);

  static void LogToConsoleInvalidURLEndpoint(nsIHttpChannel* aChannel,

                                             nsIURI* aURI,

                                             const nsAString& aName,

                                             const nsAString& aURL);

  static void LogToConsoleInternal(nsIHttpChannel* aChannel, nsIURI* aURI,

                                   const char* aMsg,

                                   const nsTArray<nsString>& aParams);

  static void GetEndpointForReportInternal(const ReportingHeader::Group& aGrup,

                                           nsACString& aEndpointURI);

  nsClassHashtable<nsCStringHashKey, Client> mOrigins;

  nsCOMPtr<nsITimer> mCleanupTimer;

};

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_ReportingHeader_h