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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/host_content_settings_map.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/profile.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/pref_service.h"
// static
const wchar_t* HostContentSettingsMap::kTypeNames[] = {
L"cookies",
L"images",
L"javascript",
L"plugins",
L"popups",
};
HostContentSettingsMap::HostContentSettingsMap(Profile* profile)
: profile_(profile),
block_third_party_cookies_(false) {
DCHECK_EQ(arraysize(kTypeNames),
static_cast<size_t>(CONTENT_SETTINGS_NUM_TYPES));
const DictionaryValue* default_settings_dictionary =
profile_->GetPrefs()->GetDictionary(prefs::kDefaultContentSettings);
// Careful: The returned value could be NULL if the pref has never been set.
if (default_settings_dictionary != NULL) {
GetSettingsFromDictionary(default_settings_dictionary,
&default_content_settings_);
}
ForceDefaultsToBeExplicit();
const DictionaryValue* all_settings_dictionary =
profile_->GetPrefs()->GetDictionary(prefs::kPerHostContentSettings);
// Careful: The returned value could be NULL if the pref has never been set.
if (all_settings_dictionary != NULL) {
for (DictionaryValue::key_iterator i(all_settings_dictionary->begin_keys());
i != all_settings_dictionary->end_keys(); ++i) {
std::wstring wide_host(*i);
DictionaryValue* host_settings_dictionary = NULL;
bool found = all_settings_dictionary->GetDictionaryWithoutPathExpansion(
wide_host, &host_settings_dictionary);
DCHECK(found);
ContentSettings settings;
GetSettingsFromDictionary(host_settings_dictionary, &settings);
host_content_settings_[WideToUTF8(wide_host)] = settings;
}
}
block_third_party_cookies_ =
profile_->GetPrefs()->GetBoolean(prefs::kBlockThirdPartyCookies);
}
// static
void HostContentSettingsMap::RegisterUserPrefs(PrefService* prefs) {
prefs->RegisterDictionaryPref(prefs::kDefaultContentSettings);
prefs->RegisterDictionaryPref(prefs::kPerHostContentSettings);
prefs->RegisterBooleanPref(prefs::kBlockThirdPartyCookies, false);
}
ContentSetting HostContentSettingsMap::GetDefaultContentSetting(
ContentSettingsType content_type) const {
AutoLock auto_lock(lock_);
return default_content_settings_.settings[content_type];
}
ContentSetting HostContentSettingsMap::GetContentSetting(
const std::string& host,
ContentSettingsType content_type) const {
AutoLock auto_lock(lock_);
HostContentSettings::const_iterator i(host_content_settings_.find(host));
return (i == host_content_settings_.end()) ?
default_content_settings_.settings[content_type] :
i->second.settings[content_type];
}
ContentSettings HostContentSettingsMap::GetContentSettings(
const std::string& host) const {
AutoLock auto_lock(lock_);
HostContentSettings::const_iterator i(host_content_settings_.find(host));
if (i == host_content_settings_.end())
return default_content_settings_;
ContentSettings output = i->second;
for (int j = 0; j < CONTENT_SETTINGS_NUM_TYPES; ++j) {
if (output.settings[j] == CONTENT_SETTING_DEFAULT)
output.settings[j] = default_content_settings_.settings[j];
}
return output;
}
void HostContentSettingsMap::GetHostContentSettingsForOneType(
ContentSettingsType content_type,
HostContentSettingsForOneType* settings) const {
DCHECK(settings);
settings->clear();
AutoLock auto_lock(lock_);
for (HostContentSettings::const_iterator i(host_content_settings_.begin());
i != host_content_settings_.end(); ++i) {
ContentSetting setting = i->second.settings[content_type];
if (setting != CONTENT_SETTING_DEFAULT)
(*settings)[i->first] = setting;
}
}
void HostContentSettingsMap::SetDefaultContentSetting(
ContentSettingsType content_type,
ContentSetting setting) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
{
AutoLock auto_lock(lock_);
default_content_settings_.settings[content_type] = setting;
}
profile_->GetPrefs()->GetMutableDictionary(prefs::kDefaultContentSettings)->
SetWithoutPathExpansion(std::wstring(kTypeNames[content_type]),
Value::CreateIntegerValue(setting));
}
void HostContentSettingsMap::SetContentSetting(const std::string& host,
ContentSettingsType content_type,
ContentSetting setting) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
bool all_default = true;
{
AutoLock auto_lock(lock_);
if (!host_content_settings_.count(host))
host_content_settings_[host] = ContentSettings();
HostContentSettings::iterator i(host_content_settings_.find(host));
ContentSettings& settings = i->second;
settings.settings[content_type] = setting;
for (size_t i = 0; i < arraysize(settings.settings); ++i) {
if (settings.settings[i] != CONTENT_SETTING_DEFAULT) {
all_default = false;
break;
}
}
if (all_default)
host_content_settings_.erase(i);
}
std::wstring wide_host(UTF8ToWide(host));
DictionaryValue* all_settings_dictionary =
profile_->GetPrefs()->GetMutableDictionary(
prefs::kPerHostContentSettings);
if (all_default) {
all_settings_dictionary->RemoveWithoutPathExpansion(wide_host, NULL);
return;
}
DictionaryValue* host_settings_dictionary;
bool found = all_settings_dictionary->GetDictionaryWithoutPathExpansion(
wide_host, &host_settings_dictionary);
if (!found) {
host_settings_dictionary = new DictionaryValue;
all_settings_dictionary->SetWithoutPathExpansion(
wide_host, host_settings_dictionary);
}
host_settings_dictionary->SetWithoutPathExpansion(
std::wstring(kTypeNames[content_type]),
Value::CreateIntegerValue(setting));
}
void HostContentSettingsMap::SetBlockThirdPartyCookies(bool block) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
{
AutoLock auto_lock(lock_);
block_third_party_cookies_ = block;
}
profile_->GetPrefs()->SetBoolean(prefs::kBlockThirdPartyCookies,
block_third_party_cookies_);
}
void HostContentSettingsMap::ResetToDefaults() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
{
AutoLock auto_lock(lock_);
default_content_settings_ = ContentSettings();
ForceDefaultsToBeExplicit();
host_content_settings_.clear();
block_third_party_cookies_ = false;
}
profile_->GetPrefs()->ClearPref(prefs::kDefaultContentSettings);
profile_->GetPrefs()->ClearPref(prefs::kPerHostContentSettings);
profile_->GetPrefs()->ClearPref(prefs::kBlockThirdPartyCookies);
}
HostContentSettingsMap::~HostContentSettingsMap() {
}
void HostContentSettingsMap::GetSettingsFromDictionary(
const DictionaryValue* dictionary,
ContentSettings* settings) {
for (DictionaryValue::key_iterator i(dictionary->begin_keys());
i != dictionary->end_keys(); ++i) {
std::wstring content_type(*i);
int setting = CONTENT_SETTING_DEFAULT;
bool found = dictionary->GetIntegerWithoutPathExpansion(content_type,
&setting);
DCHECK(found);
for (size_t type = 0; type < arraysize(kTypeNames); ++type) {
if (std::wstring(kTypeNames[type]) == content_type) {
settings->settings[type] = static_cast<ContentSetting>(setting);
break;
}
}
}
}
void HostContentSettingsMap::ForceDefaultsToBeExplicit() {
static const ContentSetting kDefaultSettings[CONTENT_SETTINGS_NUM_TYPES] = {
CONTENT_SETTING_ALLOW, // CONTENT_SETTINGS_TYPE_COOKIES
CONTENT_SETTING_ALLOW, // CONTENT_SETTINGS_TYPE_IMAGES
CONTENT_SETTING_ALLOW, // CONTENT_SETTINGS_TYPE_JAVASCRIPT
CONTENT_SETTING_ALLOW, // CONTENT_SETTINGS_TYPE_PLUGINS
CONTENT_SETTING_BLOCK, // CONTENT_SETTINGS_TYPE_POPUPS
};
for (int i = 0; i < CONTENT_SETTINGS_NUM_TYPES; ++i) {
if (default_content_settings_.settings[i] == CONTENT_SETTING_DEFAULT)
default_content_settings_.settings[i] = kDefaultSettings[i];
}
}
|
