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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#include "mozilla/dom/ToJSValue.h"
#include "nsAutoPtr.h"
#include "nsCookie.h"
#include "nsUTF8ConverterService.h"
#include <stdlib.h>
/******************************************************************************
* nsCookie:
* string helper impl
******************************************************************************/
// copy aSource strings into contiguous storage provided in aDest1,
// providing terminating nulls for each destination string.
static inline void
StrBlockCopy(const nsACString &aSource1,
const nsACString &aSource2,
const nsACString &aSource3,
const nsACString &aSource4,
char *&aDest1,
char *&aDest2,
char *&aDest3,
char *&aDest4,
char *&aDestEnd)
{
char *toBegin = aDest1;
nsACString::const_iterator fromBegin, fromEnd;
*copy_string(aSource1.BeginReading(fromBegin), aSource1.EndReading(fromEnd), toBegin) = char(0);
aDest2 = ++toBegin;
*copy_string(aSource2.BeginReading(fromBegin), aSource2.EndReading(fromEnd), toBegin) = char(0);
aDest3 = ++toBegin;
*copy_string(aSource3.BeginReading(fromBegin), aSource3.EndReading(fromEnd), toBegin) = char(0);
aDest4 = ++toBegin;
*copy_string(aSource4.BeginReading(fromBegin), aSource4.EndReading(fromEnd), toBegin) = char(0);
aDestEnd = toBegin;
}
/******************************************************************************
* nsCookie:
* creation helper
******************************************************************************/
// This is a counter that keeps track of the last used creation time, each time
// we create a new nsCookie. This is nominally the time (in microseconds) the
// cookie was created, but is guaranteed to be monotonically increasing for
// cookies added at runtime after the database has been read in. This is
// necessary to enforce ordering among cookies whose creation times would
// otherwise overlap, since it's possible two cookies may be created at the same
// time, or that the system clock isn't monotonic.
static int64_t gLastCreationTime;
int64_t
nsCookie::GenerateUniqueCreationTime(int64_t aCreationTime)
{
// Check if the creation time given to us is greater than the running maximum
// (it should always be monotonically increasing).
if (aCreationTime > gLastCreationTime) {
gLastCreationTime = aCreationTime;
return aCreationTime;
}
// Make up our own.
return ++gLastCreationTime;
}
nsCookie *
nsCookie::Create(const nsACString &aName,
const nsACString &aValue,
const nsACString &aHost,
const nsACString &aPath,
int64_t aExpiry,
int64_t aLastAccessed,
int64_t aCreationTime,
bool aIsSession,
bool aIsSecure,
bool aIsHttpOnly,
const OriginAttributes& aOriginAttributes)
{
// Ensure mValue contains a valid UTF-8 sequence. Otherwise XPConnect will
// truncate the string after the first invalid octet.
RefPtr<nsUTF8ConverterService> converter = new nsUTF8ConverterService();
nsAutoCString aUTF8Value;
converter->ConvertStringToUTF8(aValue, "UTF-8", false, true, 1, aUTF8Value);
// find the required string buffer size, adding 4 for the terminating nulls
const uint32_t stringLength = aName.Length() + aUTF8Value.Length() +
aHost.Length() + aPath.Length() + 4;
// allocate contiguous space for the nsCookie and its strings -
// we store the strings in-line with the nsCookie to save allocations
void *place = ::operator new(sizeof(nsCookie) + stringLength);
if (!place)
return nullptr;
// assign string members
char *name, *value, *host, *path, *end;
name = static_cast<char *>(place) + sizeof(nsCookie);
StrBlockCopy(aName, aUTF8Value, aHost, aPath,
name, value, host, path, end);
// If the creationTime given to us is higher than the running maximum, update
// our maximum.
if (aCreationTime > gLastCreationTime)
gLastCreationTime = aCreationTime;
// construct the cookie. placement new, oh yeah!
return new (place) nsCookie(name, value, host, path, end,
aExpiry, aLastAccessed, aCreationTime,
aIsSession, aIsSecure, aIsHttpOnly,
aOriginAttributes);
}
size_t
nsCookie::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
// There is no need to measure the sizes of the individual string
// members, since the strings are stored in-line with the nsCookie.
return aMallocSizeOf(this);
}
bool
nsCookie::IsStale() const
{
int64_t currentTimeInUsec = PR_Now();
return currentTimeInUsec - LastAccessed() > mCookieStaleThreshold * PR_USEC_PER_SEC;
}
/******************************************************************************
* nsCookie:
* xpcom impl
******************************************************************************/
// xpcom getters
NS_IMETHODIMP nsCookie::GetName(nsACString &aName) { aName = Name(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetValue(nsACString &aValue) { aValue = Value(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetHost(nsACString &aHost) { aHost = Host(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetRawHost(nsACString &aHost) { aHost = RawHost(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetPath(nsACString &aPath) { aPath = Path(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetExpiry(int64_t *aExpiry) { *aExpiry = Expiry(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetIsSession(bool *aIsSession) { *aIsSession = IsSession(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetIsDomain(bool *aIsDomain) { *aIsDomain = IsDomain(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetIsSecure(bool *aIsSecure) { *aIsSecure = IsSecure(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetIsHttpOnly(bool *aHttpOnly) { *aHttpOnly = IsHttpOnly(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetStatus(nsCookieStatus *aStatus) { *aStatus = 0; return NS_OK; }
NS_IMETHODIMP nsCookie::GetPolicy(nsCookiePolicy *aPolicy) { *aPolicy = 0; return NS_OK; }
NS_IMETHODIMP nsCookie::GetCreationTime(int64_t *aCreation){ *aCreation = CreationTime(); return NS_OK; }
NS_IMETHODIMP nsCookie::GetLastAccessed(int64_t *aTime) { *aTime = LastAccessed(); return NS_OK; }
NS_IMETHODIMP
nsCookie::GetOriginAttributes(JSContext *aCx, JS::MutableHandle<JS::Value> aVal)
{
if (NS_WARN_IF(!ToJSValue(aCx, mOriginAttributes, aVal))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// compatibility method, for use with the legacy nsICookie interface.
// here, expires == 0 denotes a session cookie.
NS_IMETHODIMP
nsCookie::GetExpires(uint64_t *aExpires)
{
if (IsSession()) {
*aExpires = 0;
} else {
*aExpires = Expiry() > 0 ? Expiry() : 1;
}
return NS_OK;
}
NS_IMPL_ISUPPORTS(nsCookie, nsICookie2, nsICookie)
|
