summaryrefslogtreecommitdiffstats
path: root/netwerk/cookie/CookieStorage.h
blob: 9db3d8a412c180d5c0fa187ebede83831ddf810d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_net_CookieStorage_h
#define mozilla_net_CookieStorage_h

#include "CookieKey.h"

#include "nsIObserver.h"
#include "nsTHashtable.h"
#include "nsWeakReference.h"
#include <functional>

class nsIArray;
class nsICookie;
class nsIPrefBranch;

namespace mozilla {
namespace net {

class Cookie;

// Inherit from CookieKey so this can be stored in nsTHashTable
// TODO: why aren't we using nsClassHashTable<CookieKey, ArrayType>?
class CookieEntry : public CookieKey {
 public:
  // Hash methods
  typedef nsTArray<RefPtr<Cookie>> ArrayType;
  typedef ArrayType::index_type IndexType;

  explicit CookieEntry(KeyTypePointer aKey) : CookieKey(aKey) {}

  CookieEntry(const CookieEntry& toCopy) {
    // if we end up here, things will break. nsTHashtable shouldn't
    // allow this, since we set ALLOW_MEMMOVE to true.
    MOZ_ASSERT_UNREACHABLE("CookieEntry copy constructor is forbidden!");
  }

  ~CookieEntry() = default;

  inline ArrayType& GetCookies() { return mCookies; }

  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const;

 private:
  ArrayType mCookies;
};

// stores the CookieEntry entryclass and an index into the cookie array within
// that entryclass, for purposes of storing an iteration state that points to a
// certain cookie.
struct CookieListIter {
  // default (non-initializing) constructor.
  CookieListIter() = default;

  // explicit constructor to a given iterator state with entryclass 'aEntry'
  // and index 'aIndex'.
  explicit CookieListIter(CookieEntry* aEntry, CookieEntry::IndexType aIndex)
      : entry(aEntry), index(aIndex) {}

  // get the Cookie * the iterator currently points to.
  mozilla::net::Cookie* Cookie() const { return entry->GetCookies()[index]; }

  CookieEntry* entry;
  CookieEntry::IndexType index;
};

class CookieStorage : public nsIObserver, public nsSupportsWeakReference {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_NSIOBSERVER

  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;

  void GetCookies(nsTArray<RefPtr<nsICookie>>& aCookies) const;

  void GetSessionCookies(nsTArray<RefPtr<nsICookie>>& aCookies) const;

  bool FindCookie(const nsACString& aBaseDomain,
                  const OriginAttributes& aOriginAttributes,
                  const nsACString& aHost, const nsACString& aName,
                  const nsACString& aPath, CookieListIter& aIter);

  uint32_t CountCookiesFromHost(const nsACString& aBaseDomain,
                                uint32_t aPrivateBrowsingId);

  void GetAll(nsTArray<RefPtr<nsICookie>>& aResult) const;

  const nsTArray<RefPtr<Cookie>>* GetCookiesFromHost(
      const nsACString& aBaseDomain, const OriginAttributes& aOriginAttributes);

  void GetCookiesWithOriginAttributes(const OriginAttributesPattern& aPattern,
                                      const nsACString& aBaseDomain,
                                      nsTArray<RefPtr<nsICookie>>& aResult);

  void RemoveCookie(const nsACString& aBaseDomain,
                    const OriginAttributes& aOriginAttributes,
                    const nsACString& aHost, const nsACString& aName,
                    const nsACString& aPath);

  virtual void RemoveCookiesWithOriginAttributes(
      const OriginAttributesPattern& aPattern, const nsACString& aBaseDomain);

  virtual void RemoveCookiesFromExactHost(
      const nsACString& aHost, const nsACString& aBaseDomain,
      const OriginAttributesPattern& aPattern);

  void RemoveAll();

  void NotifyChanged(nsISupports* aSubject, const char16_t* aData,
                     bool aOldCookieIsSession = false);

  void AddCookie(nsIConsoleReportCollector* aCRC, const nsACString& aBaseDomain,
                 const OriginAttributes& aOriginAttributes, Cookie* aCookie,
                 int64_t aCurrentTimeInUsec, nsIURI* aHostURI,
                 const nsACString& aCookieHeader, bool aFromHttp);

  static void CreateOrUpdatePurgeList(nsIArray** aPurgedList,
                                      nsICookie* aCookie);

  virtual void StaleCookies(const nsTArray<Cookie*>& aCookieList,
                            int64_t aCurrentTimeInUsec) = 0;

  virtual void Close() = 0;

 protected:
  CookieStorage();
  virtual ~CookieStorage();

  void Init();

  void AddCookieToList(const nsACString& aBaseDomain,
                       const OriginAttributes& aOriginAttributes,
                       Cookie* aCookie);

  virtual void StoreCookie(const nsACString& aBaseDomain,
                           const OriginAttributes& aOriginAttributes,
                           Cookie* aCookie) = 0;

  virtual const char* NotificationTopic() const = 0;

  virtual void NotifyChangedInternal(nsISupports* aSubject,
                                     const char16_t* aData,
                                     bool aOldCookieIsSession) = 0;

  virtual void RemoveAllInternal() = 0;

  // This method calls RemoveCookieFromDB + RemoveCookieFromListInternal.
  void RemoveCookieFromList(const CookieListIter& aIter);

  void RemoveCookieFromListInternal(const CookieListIter& aIter);

  virtual void RemoveCookieFromDB(const CookieListIter& aIter) = 0;

  already_AddRefed<nsIArray> PurgeCookiesWithCallbacks(
      int64_t aCurrentTimeInUsec, uint16_t aMaxNumberOfCookies,
      int64_t aCookiePurgeAge,
      std::function<void(const CookieListIter&)>&& aRemoveCookieCallback,
      std::function<void()>&& aFinalizeCallback);

  nsTHashtable<CookieEntry> mHostTable;

  uint32_t mCookieCount;

 private:
  void PrefChanged(nsIPrefBranch* aPrefBranch);

  bool FindSecureCookie(const nsACString& aBaseDomain,
                        const OriginAttributes& aOriginAttributes,
                        Cookie* aCookie);

  static void FindStaleCookies(CookieEntry* aEntry, int64_t aCurrentTime,
                               bool aIsSecure,
                               nsTArray<CookieListIter>& aOutput,
                               uint32_t aLimit);

  void UpdateCookieOldestTime(Cookie* aCookie);

  void MergeCookieSchemeMap(Cookie* aOldCookie, Cookie* aNewCookie);

  static already_AddRefed<nsIArray> CreatePurgeList(nsICookie* aCookie);

  virtual already_AddRefed<nsIArray> PurgeCookies(int64_t aCurrentTimeInUsec,
                                                  uint16_t aMaxNumberOfCookies,
                                                  int64_t aCookiePurgeAge) = 0;

  int64_t mCookieOldestTime;

  uint16_t mMaxNumberOfCookies;
  uint16_t mMaxCookiesPerHost;
  uint16_t mCookieQuotaPerHost;
  int64_t mCookiePurgeAge;
};

}  // namespace net
}  // namespace mozilla

#endif  // mozilla_net_CookieStorage_h