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
|
// Copyright 2015 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/media/media_stream_device_permission_context.h"
#include "chrome/browser/media/media_stream_device_permissions.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/content_settings/core/common/content_settings.h"
#include "content/public/common/url_constants.h"
#include "extensions/common/constants.h"
MediaStreamDevicePermissionContext::MediaStreamDevicePermissionContext(
Profile* profile,
const content::PermissionType permission_type,
const ContentSettingsType content_settings_type)
: PermissionContextBase(profile, permission_type, content_settings_type),
content_settings_type_(content_settings_type) {
DCHECK(content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC ||
content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
}
MediaStreamDevicePermissionContext::~MediaStreamDevicePermissionContext() {}
void MediaStreamDevicePermissionContext::RequestPermission(
content::WebContents* web_contents,
const PermissionRequestID& id,
const GURL& requesting_frame,
bool user_gesture,
const BrowserPermissionCallback& callback) {
NOTREACHED() << "RequestPermission is not implemented";
callback.Run(CONTENT_SETTING_BLOCK);
}
ContentSetting MediaStreamDevicePermissionContext::GetPermissionStatus(
const GURL& requesting_origin,
const GURL& embedding_origin) const {
return GetPermissionStatusInternal(requesting_origin, embedding_origin,
false);
}
ContentSetting MediaStreamDevicePermissionContext::
GetPermissionStatusAllowingInsecureForPepper(
const GURL& requesting_origin,
const GURL& embedding_origin) const {
return GetPermissionStatusInternal(requesting_origin, embedding_origin, true);
}
void MediaStreamDevicePermissionContext::ResetPermission(
const GURL& requesting_origin,
const GURL& embedding_origin) {
NOTREACHED() << "ResetPermission is not implemented";
}
void MediaStreamDevicePermissionContext::CancelPermissionRequest(
content::WebContents* web_contents,
const PermissionRequestID& id) {
NOTREACHED() << "CancelPermissionRequest is not implemented";
}
ContentSetting MediaStreamDevicePermissionContext::GetPermissionStatusInternal(
const GURL& requesting_origin,
const GURL& embedding_origin,
bool is_pepper_request) const {
// TODO(raymes): Merge this policy check into content settings
// crbug.com/244389.
const char* policy_name = nullptr;
const char* urls_policy_name = nullptr;
if (content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC) {
policy_name = prefs::kAudioCaptureAllowed;
urls_policy_name = prefs::kAudioCaptureAllowedUrls;
} else {
DCHECK(content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
policy_name = prefs::kVideoCaptureAllowed;
urls_policy_name = prefs::kVideoCaptureAllowedUrls;
}
MediaStreamDevicePolicy policy = GetDevicePolicy(
profile(), requesting_origin, policy_name, urls_policy_name);
switch (policy) {
case ALWAYS_DENY:
return CONTENT_SETTING_BLOCK;
case ALWAYS_ALLOW:
return CONTENT_SETTING_ALLOW;
default:
DCHECK_EQ(POLICY_NOT_SET, policy);
}
// Check the content setting. TODO(raymes): currently mic/camera permission
// doesn't consider the embedder.
ContentSetting setting = PermissionContextBase::GetPermissionStatus(
requesting_origin, requesting_origin);
if (setting == CONTENT_SETTING_DEFAULT)
setting = CONTENT_SETTING_ASK;
// TODO(raymes): This is here for safety to ensure that we always ask the user
// even if a content setting is set to "allow" if the origin is insecure. In
// reality we shouldn't really need to check this here as we should respect
// the user's content setting. The problem is that pepper requests allow
// insecure origins to be persisted. We should remove this after
// crbug.com/526324 is fixed.
if (!ShouldPersistContentSetting(setting, requesting_origin,
is_pepper_request) &&
!requesting_origin.SchemeIs(extensions::kExtensionScheme) &&
!requesting_origin.SchemeIs(content::kChromeUIScheme) &&
!requesting_origin.SchemeIs(content::kChromeDevToolsScheme)) {
return CONTENT_SETTING_ASK;
}
return setting;
}
bool MediaStreamDevicePermissionContext::IsRestrictedToSecureOrigins() const {
// Flash currently doesn't require secure origin to use mic/camera. If we
// return true here, it'll break the use case like http://tinychat.com.
// TODO(raymes): Change this to true after crbug.com/526324 is fixed.
return false;
}
|
