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
|
// Copyright 2014 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_permissions.h"
#include "base/command_line.h"
#include "base/prefs/pref_service.h"
#include "base/values.h"
#include "chrome/browser/content_settings/host_content_settings_map.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/content_settings_pattern.h"
#include "content/public/browser/browser_thread.h"
#include "url/gurl.h"
#if defined(OS_CHROMEOS)
#include "components/user_manager/user_manager.h"
#endif
namespace {
bool IsInKioskMode() {
if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode))
return true;
#if defined(OS_CHROMEOS)
const user_manager::UserManager* user_manager =
user_manager::UserManager::Get();
return user_manager && user_manager->IsLoggedInAsKioskApp();
#else
return false;
#endif
}
} // namespace
bool CheckAllowAllMediaStreamContentForOrigin(Profile* profile,
const GURL& security_origin) {
// TODO(markusheintz): Replace CONTENT_SETTINGS_TYPE_MEDIA_STREAM with the
// appropriate new CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC and
// CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA.
return profile->GetHostContentSettingsMap()->ShouldAllowAllContent(
security_origin, security_origin, CONTENT_SETTINGS_TYPE_MEDIASTREAM);
}
MediaStreamDevicePolicy GetDevicePolicy(Profile* profile,
const GURL& security_origin,
const char* policy_name,
const char* whitelist_policy_name) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
// If the security origin policy matches a value in the whitelist, allow it.
// Otherwise, check the |policy_name| master switch for the default behavior.
PrefService* prefs = profile->GetPrefs();
// TODO(tommi): Remove the kiosk mode check when the whitelist below
// is visible in the media exceptions UI.
// See discussion here: https://codereview.chromium.org/15738004/
if (IsInKioskMode()) {
const base::ListValue* list = prefs->GetList(whitelist_policy_name);
std::string value;
for (size_t i = 0; i < list->GetSize(); ++i) {
if (list->GetString(i, &value)) {
ContentSettingsPattern pattern =
ContentSettingsPattern::FromString(value);
if (pattern == ContentSettingsPattern::Wildcard()) {
DLOG(WARNING) << "Ignoring wildcard URL pattern: " << value;
continue;
}
DLOG_IF(ERROR, !pattern.IsValid()) << "Invalid URL pattern: " << value;
if (pattern.IsValid() && pattern.Matches(security_origin))
return ALWAYS_ALLOW;
}
}
}
// If a match was not found, check if audio capture is otherwise disallowed
// or if the user should be prompted. Setting the policy value to "true"
// is equal to not setting it at all, so from hereon out, we will return
// either POLICY_NOT_SET (prompt) or ALWAYS_DENY (no prompt, no access).
if (!prefs->GetBoolean(policy_name))
return ALWAYS_DENY;
return POLICY_NOT_SET;
}
|
