Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 682 insertions, 0 deletions

diff --git a/extensions/permissions/PermissionManager.h b/extensions/permissions/PermissionManager.h
new file mode 100644
index 0000000000..a92d583e49
--- /dev/null
+++ b/extensions/permissions/PermissionManager.h
@@ -0,0 +1,682 @@
+/* -*- 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_PermissionManager_h
+#define mozilla_PermissionManager_h
+
+#include "nsIPermissionManager.h"
+#include "nsIAsyncShutdown.h"
+#include "nsIObserver.h"
+#include "nsWeakReference.h"
+#include "nsCOMPtr.h"
+#include "nsIURI.h"
+#include "nsTHashtable.h"
+#include "nsTArray.h"
+#include "nsString.h"
+#include "nsHashKeys.h"
+#include "nsRefPtrHashtable.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/MozPromise.h"
+#include "mozilla/OriginAttributes.h"
+#include "mozilla/StaticMutex.h"
+#include "mozilla/ThreadBound.h"
+#include "mozilla/Variant.h"
+#include "mozilla/Vector.h"
+
+#include <utility>
+
+class mozIStorageConnection;
+class mozIStorageStatement;
+class nsIInputStream;
+class nsIPermission;
+class nsIPrefBranch;
+
+namespace IPC {
+struct Permission;
+}
+
+namespace mozilla {
+class OriginAttributesPattern;
+
+namespace dom {
+class ContentChild;
+}  // namespace dom
+
+////////////////////////////////////////////////////////////////////////////////
+
+class PermissionManager final : public nsIPermissionManager,
+                                public nsIObserver,
+                                public nsSupportsWeakReference,
+                                public nsIAsyncShutdownBlocker {
+  friend class dom::ContentChild;
+
+ public:
+  class PermissionEntry {
+   public:
+    PermissionEntry(int64_t aID, uint32_t aType, uint32_t aPermission,
+                    uint32_t aExpireType, int64_t aExpireTime,
+                    int64_t aModificationTime)
+        : mID(aID),
+          mExpireTime(aExpireTime),
+          mModificationTime(aModificationTime),
+          mType(aType),
+          mPermission(aPermission),
+          mExpireType(aExpireType),
+          mNonSessionPermission(aPermission),
+          mNonSessionExpireType(aExpireType),
+          mNonSessionExpireTime(aExpireTime) {}
+
+    int64_t mID;
+    int64_t mExpireTime;
+    int64_t mModificationTime;
+    uint32_t mType;
+    uint32_t mPermission;
+    uint32_t mExpireType;
+    uint32_t mNonSessionPermission;
+    uint32_t mNonSessionExpireType;
+    uint32_t mNonSessionExpireTime;
+  };
+
+  /**
+   * PermissionKey is the key used by PermissionHashKey hash table.
+   */
+  class PermissionKey {
+   public:
+    static PermissionKey* CreateFromPrincipal(nsIPrincipal* aPrincipal,
+                                              bool aForceStripOA,
+                                              bool aScopeToSite,
+                                              nsresult& aResult);
+    static PermissionKey* CreateFromURI(nsIURI* aURI, nsresult& aResult);
+    static PermissionKey* CreateFromURIAndOriginAttributes(
+        nsIURI* aURI, const OriginAttributes* aOriginAttributes,
+        bool aForceStripOA, nsresult& aResult);
+
+    explicit PermissionKey(const nsACString& aOrigin)
+        : mOrigin(aOrigin), mHashCode(HashString(aOrigin)) {}
+
+    bool operator==(const PermissionKey& aKey) const {
+      return mOrigin.Equals(aKey.mOrigin);
+    }
+
+    PLDHashNumber GetHashCode() const { return mHashCode; }
+
+    NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PermissionKey)
+
+    const nsCString mOrigin;
+    const PLDHashNumber mHashCode;
+
+   private:
+    // Default ctor shouldn't be used.
+    PermissionKey() = delete;
+
+    // Dtor shouldn't be used outside of the class.
+    ~PermissionKey(){};
+  };
+
+  class PermissionHashKey : public nsRefPtrHashKey<PermissionKey> {
+   public:
+    explicit PermissionHashKey(const PermissionKey* aPermissionKey)
+        : nsRefPtrHashKey<PermissionKey>(aPermissionKey) {}
+
+    PermissionHashKey(PermissionHashKey&& toCopy)
+        : nsRefPtrHashKey<PermissionKey>(std::move(toCopy)),
+          mPermissions(std::move(toCopy.mPermissions)) {}
+
+    bool KeyEquals(const PermissionKey* aKey) const {
+      return *aKey == *GetKey();
+    }
+
+    static PLDHashNumber HashKey(const PermissionKey* aKey) {
+      return aKey->GetHashCode();
+    }
+
+    // Force the hashtable to use the copy constructor when shuffling entries
+    // around, otherwise the Auto part of our AutoTArray won't be happy!
+    enum { ALLOW_MEMMOVE = false };
+
+    inline nsTArray<PermissionEntry>& GetPermissions() { return mPermissions; }
+    inline const nsTArray<PermissionEntry>& GetPermissions() const {
+      return mPermissions;
+    }
+
+    inline int32_t GetPermissionIndex(uint32_t aType) const {
+      for (uint32_t i = 0; i < mPermissions.Length(); ++i)
+        if (mPermissions[i].mType == aType) return i;
+
+      return -1;
+    }
+
+    inline PermissionEntry GetPermission(uint32_t aType) const {
+      for (uint32_t i = 0; i < mPermissions.Length(); ++i)
+        if (mPermissions[i].mType == aType) return mPermissions[i];
+
+      // unknown permission... return relevant data
+      return PermissionEntry(-1, aType, nsIPermissionManager::UNKNOWN_ACTION,
+                             nsIPermissionManager::EXPIRE_NEVER, 0, 0);
+    }
+
+   private:
+    AutoTArray<PermissionEntry, 1> mPermissions;
+  };
+
+  // nsISupports
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIPERMISSIONMANAGER
+  NS_DECL_NSIOBSERVER
+  NS_DECL_NSIASYNCSHUTDOWNBLOCKER
+
+  PermissionManager();
+  static already_AddRefed<nsIPermissionManager> GetXPCOMSingleton();
+  static PermissionManager* GetInstance();
+  nsresult Init();
+
+  // enums for AddInternal()
+  enum OperationType {
+    eOperationNone,
+    eOperationAdding,
+    eOperationRemoving,
+    eOperationChanging,
+    eOperationReplacingDefault
+  };
+
+  enum DBOperationType { eNoDBOperation, eWriteToDB };
+
+  enum NotifyOperationType { eDontNotify, eNotify };
+
+  // Similar to TestPermissionFromPrincipal, except that it is used only for
+  // permissions which can never have default values.
+  nsresult TestPermissionWithoutDefaultsFromPrincipal(nsIPrincipal* aPrincipal,
+                                                      const nsACString& aType,
+                                                      uint32_t* aPermission);
+
+  nsresult LegacyTestPermissionFromURI(
+      nsIURI* aURI, const OriginAttributes* aOriginAttributes,
+      const nsACString& aType, uint32_t* aPermission);
+
+  nsresult RemovePermissionsWithAttributes(OriginAttributesPattern& aAttrs);
+
+  /**
+   * See `nsIPermissionManager::GetPermissionsWithKey` for more info on
+   * permission keys.
+   *
+   * Get the permission key corresponding to the given Principal. This method is
+   * intentionally infallible, as we want to provide an permission key to every
+   * principal. Principals which don't have meaningful URIs with http://,
+   * https://, or ftp:// schemes are given the default "" Permission Key.
+   *
+   * @param aPrincipal  The Principal which the key is to be extracted from.
+   * @param aForceStripOA Whether to force stripping the principals origin
+   *        attributes prior to generating the key.
+   * @param aSiteScopePermissions  Whether to prepare the key for permissions
+   *        scoped to the Principal's site, rather than origin. These are looked
+   *        up independently. Scoping of a permission is fully determined by its
+   *        type and determined by calls to the function IsSiteScopedPermission.
+   * @param aKey  A string which will be filled with the permission
+   * key.
+   */
+  static nsresult GetKeyForPrincipal(nsIPrincipal* aPrincipal,
+                                     bool aForceStripOA,
+                                     bool aSiteScopePermissions,
+                                     nsACString& aKey);
+
+  /**
+   * See `nsIPermissionManager::GetPermissionsWithKey` for more info on
+   * permission keys.
+   *
+   * Get the permission key corresponding to the given Origin. This method is
+   * like GetKeyForPrincipal, except that it avoids creating a nsIPrincipal
+   * object when you already have access to an origin string.
+   *
+   * If this method is passed a nonsensical origin string it may produce a
+   * nonsensical permission key result.
+   *
+   * @param aOrigin  The origin which the key is to be extracted from.
+   * @param aForceStripOA Whether to force stripping the origins attributes
+   *        prior to generating the key.
+   * @param aSiteScopePermissions  Whether to prepare the key for permissions
+   *        scoped to the Principal's site, rather than origin. These are looked
+   *        up independently. Scoping of a permission is fully determined by its
+   *        type and determined by calls to the function IsSiteScopedPermission.
+   * @param aKey  A string which will be filled with the permission
+   * key.
+   */
+  static nsresult GetKeyForOrigin(const nsACString& aOrigin, bool aForceStripOA,
+                                  bool aSiteScopePermissions, nsACString& aKey);
+
+  /**
+   * See `nsIPermissionManager::GetPermissionsWithKey` for more info on
+   * permission keys.
+   *
+   * Get the permission key corresponding to the given Principal and type. This
+   * method is intentionally infallible, as we want to provide an permission key
+   * to every principal. Principals which don't have meaningful URIs with
+   * http://, https://, or ftp:// schemes are given the default "" Permission
+   * Key.
+   *
+   * This method is different from GetKeyForPrincipal in that it also takes
+   * permissions which must be sent down before loading a document into account.
+   *
+   * @param aPrincipal  The Principal which the key is to be extracted from.
+   * @param aType  The type of the permission to get the key for.
+   * @param aPermissionKey  A string which will be filled with the permission
+   * key.
+   */
+  static nsresult GetKeyForPermission(nsIPrincipal* aPrincipal,
+                                      const nsACString& aType,
+                                      nsACString& aKey);
+
+  /**
+   * See `nsIPermissionManager::GetPermissionsWithKey` for more info on
+   * permission keys.
+   *
+   * Get all permissions keys which could correspond to the given principal.
+   * This method, like GetKeyForPrincipal, is infallible and should always
+   * produce at least one (key, origin) pair.
+   *
+   * Unlike GetKeyForPrincipal, this method also gets the keys for base domains
+   * of the given principal. All keys returned by this method must be available
+   * in the content process for a given URL to successfully have its permissions
+   * checked in the `aExactHostMatch = false` situation.
+   *
+   * @param aPrincipal  The Principal which the key is to be extracted from.
+   * @return returns an array of (key, origin) pairs.
+   */
+  static nsTArray<std::pair<nsCString, nsCString>> GetAllKeysForPrincipal(
+      nsIPrincipal* aPrincipal);
+
+  // From ContentChild.
+  nsresult RemoveAllFromIPC();
+
+  /**
+   * Returns false if this permission manager wouldn't have the permission
+   * requested available.
+   *
+   * If aType is empty, checks that the permission manager would have all
+   * permissions available for the given principal.
+   */
+  bool PermissionAvailable(nsIPrincipal* aPrincipal, const nsACString& aType);
+
+  /**
+   * The content process doesn't have access to every permission. Instead, when
+   * LOAD_DOCUMENT_URI channels for http://, https://, and ftp:// URIs are
+   * opened, the permissions for those channels are sent down to the content
+   * process before the OnStartRequest message. Permissions for principals with
+   * other schemes are sent down at process startup.
+   *
+   * Permissions are keyed and grouped by "Permission Key"s.
+   * `PermissionManager::GetKeyForPrincipal` provides the mechanism for
+   * determining the permission key for a given principal.
+   *
+   * This method may only be called in the parent process. It fills the nsTArray
+   * argument with the IPC::Permission objects which have a matching origin.
+   *
+   * @param origin The origin to use to find the permissions of interest.
+   * @param key The key to use to find the permissions of interest. Only used
+   *            when the origin argument is empty.
+   * @param perms  An array which will be filled with the permissions which
+   *               match the given origin.
+   */
+  bool GetPermissionsFromOriginOrKey(const nsACString& aOrigin,
+                                     const nsACString& aKey,
+                                     nsTArray<IPC::Permission>& aPerms);
+
+  /**
+   * See `PermissionManager::GetPermissionsWithKey` for more info on
+   * Permission keys.
+   *
+   * `SetPermissionsWithKey` may only be called in the Child process, and
+   * initializes the permission manager with the permissions for a given
+   * Permission key. marking permissions with that key as available.
+   *
+   * @param permissionKey  The key for the permissions which have been sent
+   * over.
+   * @param perms  An array with the permissions which match the given key.
+   */
+  void SetPermissionsWithKey(const nsACString& aPermissionKey,
+                             nsTArray<IPC::Permission>& aPerms);
+
+  /**
+   * Add a callback which should be run when all permissions are available for
+   * the given nsIPrincipal. This method invokes the callback runnable
+   * synchronously when the permissions are already available. Otherwise the
+   * callback will be run asynchronously in SystemGroup when all permissions
+   * are available in the future.
+   *
+   * NOTE: This method will not request the permissions be sent by the parent
+   * process. This should only be used to wait for permissions which may not
+   * have arrived yet in order to ensure they are present.
+   *
+   * @param aPrincipal The principal to wait for permissions to be available
+   * for.
+   * @param aRunnable  The runnable to run when permissions are available for
+   * the given principal.
+   */
+  void WhenPermissionsAvailable(nsIPrincipal* aPrincipal,
+                                nsIRunnable* aRunnable);
+
+  /**
+   * Strip origin attributes for permissions, depending on permission isolation
+   * pref state.
+   * @param aForceStrip If true, strips user context and private browsing id,
+   * ignoring permission isolation prefs.
+   * @param aOriginAttributes object to strip.
+   */
+  static void MaybeStripOriginAttributes(bool aForceStrip,
+                                         OriginAttributes& aOriginAttributes);
+
+ private:
+  ~PermissionManager();
+  static StaticMutex sCreationMutex MOZ_UNANNOTATED;
+
+  /**
+   * Get all permissions for a given principal, which should not be isolated
+   * by user context or private browsing. The principal has its origin
+   * attributes stripped before perm db lookup. This is currently only affects
+   * the "cookie" permission.
+   * @param aPrincipal Used for creating the permission key.
+   * @param aSiteScopePermissions Used to specify whether to get strip perms for
+   * site scoped permissions (defined in IsSiteScopedPermission) or all other
+   * permissions. Also used to create the permission key.
+   */
+  nsresult GetStripPermsForPrincipal(nsIPrincipal* aPrincipal,
+                                     bool aSiteScopePermissions,
+                                     nsTArray<PermissionEntry>& aResult);
+
+  // Returns -1 on failure
+  int32_t GetTypeIndex(const nsACString& aType, bool aAdd);
+
+  // Returns whether the given combination of expire type and expire time are
+  // expired. Note that EXPIRE_SESSION only honors expireTime if it is nonzero.
+  bool HasExpired(uint32_t aExpireType, int64_t aExpireTime);
+
+  // Appends the permissions associated with this principal to aResult.
+  // If the onlySiteScopePermissions argument is true, the permissions searched
+  // are those for the site of the principal and only the permissions that are
+  // site-scoped are used.
+  nsresult GetAllForPrincipalHelper(nsIPrincipal* aPrincipal,
+                                    bool aSiteScopePermissions,
+                                    nsTArray<RefPtr<nsIPermission>>& aResult);
+
+  // Returns PermissionHashKey for a given { host, isInBrowserElement } tuple.
+  // This is not simply using PermissionKey because we will walk-up domains in
+  // case of |host| contains sub-domains. Returns null if nothing found. Also
+  // accepts host on the format "<foo>". This will perform an exact match lookup
+  // as the string doesn't contain any dots.
+  PermissionHashKey* GetPermissionHashKey(nsIPrincipal* aPrincipal,
+                                          uint32_t aType, bool aExactHostMatch);
+
+  // Returns PermissionHashKey for a given { host, isInBrowserElement } tuple.
+  // This is not simply using PermissionKey because we will walk-up domains in
+  // case of |host| contains sub-domains. Returns null if nothing found. Also
+  // accepts host on the format "<foo>". This will perform an exact match lookup
+  // as the string doesn't contain any dots.
+  PermissionHashKey* GetPermissionHashKey(
+      nsIURI* aURI, const OriginAttributes* aOriginAttributes, uint32_t aType,
+      bool aExactHostMatch);
+
+  // The int32_t is the type index, the nsresult is an early bail-out return
+  // code.
+  typedef Variant<int32_t, nsresult> TestPreparationResult;
+  TestPreparationResult CommonPrepareToTestPermission(
+      nsIPrincipal* aPrincipal, int32_t aTypeIndex, const nsACString& aType,
+      uint32_t* aPermission, uint32_t aDefaultPermission,
+      bool aDefaultPermissionIsValid, bool aExactHostMatch,
+      bool aIncludingSession);
+
+  // If aTypeIndex is passed -1, we try to inder the type index from aType.
+  nsresult CommonTestPermission(nsIPrincipal* aPrincipal, int32_t aTypeIndex,
+                                const nsACString& aType, uint32_t* aPermission,
+                                uint32_t aDefaultPermission,
+                                bool aDefaultPermissionIsValid,
+                                bool aExactHostMatch, bool aIncludingSession);
+
+  // If aTypeIndex is passed -1, we try to inder the type index from aType.
+  nsresult CommonTestPermission(nsIURI* aURI, int32_t aTypeIndex,
+                                const nsACString& aType, uint32_t* aPermission,
+                                uint32_t aDefaultPermission,
+                                bool aDefaultPermissionIsValid,
+                                bool aExactHostMatch, bool aIncludingSession);
+
+  nsresult CommonTestPermission(nsIURI* aURI,
+                                const OriginAttributes* aOriginAttributes,
+                                int32_t aTypeIndex, const nsACString& aType,
+                                uint32_t* aPermission,
+                                uint32_t aDefaultPermission,
+                                bool aDefaultPermissionIsValid,
+                                bool aExactHostMatch, bool aIncludingSession);
+
+  // Only one of aPrincipal or aURI is allowed to be passed in.
+  nsresult CommonTestPermissionInternal(
+      nsIPrincipal* aPrincipal, nsIURI* aURI,
+      const OriginAttributes* aOriginAttributes, int32_t aTypeIndex,
+      const nsACString& aType, uint32_t* aPermission, bool aExactHostMatch,
+      bool aIncludingSession);
+
+  nsresult OpenDatabase(nsIFile* permissionsFile);
+
+  void InitDB(bool aRemoveFile);
+  nsresult TryInitDB(bool aRemoveFile, nsIInputStream* aDefaultsInputStream);
+
+  void AddIdleDailyMaintenanceJob();
+  void RemoveIdleDailyMaintenanceJob();
+  void PerformIdleDailyMaintenance();
+
+  nsresult ImportLatestDefaults();
+  already_AddRefed<nsIInputStream> GetDefaultsInputStream();
+  void ConsumeDefaultsInputStream(nsIInputStream* aDefaultsInputStream,
+                                  const MonitorAutoLock& aProofOfLock);
+
+  nsresult CreateTable();
+  void NotifyObserversWithPermission(nsIPrincipal* aPrincipal,
+                                     const nsACString& aType,
+                                     uint32_t aPermission, uint32_t aExpireType,
+                                     int64_t aExpireTime,
+                                     int64_t aModificationTime,
+                                     const char16_t* aData);
+  void NotifyObservers(nsIPermission* aPermission, const char16_t* aData);
+
+  // Finalize all statements, close the DB and null it.
+  enum CloseDBNextOp {
+    eNone,
+    eRebuldOnSuccess,
+    eShutdown,
+  };
+  void CloseDB(CloseDBNextOp aNextOp);
+
+  nsresult RemoveAllInternal(bool aNotifyObservers);
+  nsresult RemoveAllFromMemory();
+
+  void UpdateDB(OperationType aOp, int64_t aID, const nsACString& aOrigin,
+                const nsACString& aType, uint32_t aPermission,
+                uint32_t aExpireType, int64_t aExpireTime,
+                int64_t aModificationTime);
+
+  /**
+   * This method removes all permissions modified after the specified time.
+   */
+  nsresult RemoveAllModifiedSince(int64_t aModificationTime);
+
+  template <class T>
+  nsresult RemovePermissionEntries(T aCondition);
+
+  template <class T>
+  nsresult GetPermissionEntries(T aCondition,
+                                nsTArray<RefPtr<nsIPermission>>& aResult);
+
+  // This method must be called before doing any operation to be sure that the
+  // DB reading has been completed. This method is also in charge to complete
+  // the migrations if needed.
+  void EnsureReadCompleted();
+
+  nsresult AddInternal(nsIPrincipal* aPrincipal, const nsACString& aType,
+                       uint32_t aPermission, int64_t aID, uint32_t aExpireType,
+                       int64_t aExpireTime, int64_t aModificationTime,
+                       NotifyOperationType aNotifyOperation,
+                       DBOperationType aDBOperation,
+                       const bool aIgnoreSessionPermissions = false,
+                       const nsACString* aOriginString = nullptr,
+                       const bool aAllowPersistInPrivateBrowsing = false);
+
+  void MaybeAddReadEntryFromMigration(const nsACString& aOrigin,
+                                      const nsCString& aType,
+                                      uint32_t aPermission,
+                                      uint32_t aExpireType, int64_t aExpireTime,
+                                      int64_t aModificationTime, int64_t aId);
+
+  nsCOMPtr<nsIAsyncShutdownClient> GetAsyncShutdownBarrier() const;
+
+  void MaybeCompleteShutdown();
+
+  nsRefPtrHashtable<nsCStringHashKey, GenericNonExclusivePromise::Private>
+      mPermissionKeyPromiseMap;
+
+  nsCOMPtr<nsIFile> mPermissionsFile;
+
+  // This monitor is used to ensure the database reading before any other
+  // operation. The reading of the database happens OMT. See |State| to know the
+  // steps of the database reading.
+  Monitor mMonitor MOZ_UNANNOTATED;
+
+  enum State {
+    // Initial state. The database has not been read yet.
+    // |TryInitDB| is called at startup time to read the database OMT.
+    // During the reading, |mReadEntries| will be populated with all the
+    // existing permissions.
+    eInitializing,
+
+    // At the end of the database reading, we are in this state. A runnable is
+    // executed to call |EnsureReadCompleted| on the main thread.
+    // |EnsureReadCompleted| processes |mReadEntries| and goes to the next
+    // state.
+    eDBInitialized,
+
+    // The permissions are fully read and any pending operation can proceed.
+    eReady,
+
+    // The permission manager has been terminated. No extra database operations
+    // will be allowed.
+    eClosed,
+  };
+  Atomic<State> mState;
+
+  // A single entry, from the database.
+  struct ReadEntry {
+    ReadEntry()
+        : mId(0),
+          mPermission(0),
+          mExpireType(0),
+          mExpireTime(0),
+          mModificationTime(0) {}
+
+    nsCString mOrigin;
+    nsCString mType;
+    int64_t mId;
+    uint32_t mPermission;
+    uint32_t mExpireType;
+    int64_t mExpireTime;
+    int64_t mModificationTime;
+
+    // true if this entry is the result of a migration.
+    bool mFromMigration;
+  };
+
+  // List of entries read from the database. It will be populated OMT and
+  // consumed on the main-thread.
+  // This array is protected by the monitor.
+  nsTArray<ReadEntry> mReadEntries;
+
+  // A single entry, from the database.
+  struct MigrationEntry {
+    MigrationEntry()
+        : mId(0),
+          mPermission(0),
+          mExpireType(0),
+          mExpireTime(0),
+          mModificationTime(0),
+          mIsInBrowserElement(false) {}
+
+    nsCString mHost;
+    nsCString mType;
+    int64_t mId;
+    uint32_t mPermission;
+    uint32_t mExpireType;
+    int64_t mExpireTime;
+    int64_t mModificationTime;
+
+    // Legacy, for migration.
+    bool mIsInBrowserElement;
+  };
+
+  // List of entries read from the database. It will be populated OMT and
+  // consumed on the main-thread. The migration entries will be converted to
+  // ReadEntry in |CompleteMigrations|.
+  // This array is protected by the monitor.
+  nsTArray<MigrationEntry> mMigrationEntries;
+
+  // A single entry from the defaults URL.
+  struct DefaultEntry {
+    DefaultEntry() : mOp(eImportMatchTypeHost), mPermission(0) {}
+
+    enum Op {
+      eImportMatchTypeHost,
+      eImportMatchTypeOrigin,
+    };
+
+    Op mOp;
+
+    nsCString mHostOrOrigin;
+    nsCString mType;
+    uint32_t mPermission;
+  };
+
+  // List of entries read from the default settings.
+  // This array is protected by the monitor.
+  nsTArray<DefaultEntry> mDefaultEntries;
+
+  nsresult Read(const MonitorAutoLock& aProofOfLock);
+  void CompleteRead();
+
+  void CompleteMigrations();
+
+  bool mMemoryOnlyDB;
+
+  nsTHashtable<PermissionHashKey> mPermissionTable;
+  // a unique, monotonically increasing id used to identify each database entry
+  int64_t mLargestID;
+
+  nsCOMPtr<nsIPrefBranch> mDefaultPrefBranch;
+
+  // NOTE: Ensure this is the last member since it has a large inline buffer.
+  // An array to store the strings identifying the different types.
+  Vector<nsCString, 512> mTypeArray;
+
+  nsCOMPtr<nsIThread> mThread;
+
+  struct ThreadBoundData {
+    nsCOMPtr<mozIStorageConnection> mDBConn;
+
+    nsCOMPtr<mozIStorageStatement> mStmtInsert;
+    nsCOMPtr<mozIStorageStatement> mStmtDelete;
+    nsCOMPtr<mozIStorageStatement> mStmtUpdate;
+  };
+  ThreadBound<ThreadBoundData> mThreadBoundData;
+
+  friend class DeleteFromMozHostListener;
+  friend class CloseDatabaseListener;
+};
+
+// {4F6B5E00-0C36-11d5-A535-0010A401EB10}
+#define NS_PERMISSIONMANAGER_CID                   \
+  {                                                \
+    0x4f6b5e00, 0xc36, 0x11d5, {                   \
+      0xa5, 0x35, 0x0, 0x10, 0xa4, 0x1, 0xeb, 0x10 \
+    }                                              \
+  }
+
+}  // namespace mozilla
+
+#endif  // mozilla_PermissionManager_h