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
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/permissions/contexts/webxr_permission_context.h"
#include "base/check.h"
#include "build/build_config.h"
#include "third_party/blink/public/mojom/permissions_policy/permissions_policy.mojom.h"
#if BUILDFLAG(IS_ANDROID)
#include "components/permissions/android/android_permission_util.h"
#include "components/permissions/android/permissions_reprompt_controller_android.h"
#include "components/permissions/permission_request_id.h"
#include "components/permissions/permissions_client.h"
#include "content/public/browser/web_contents.h"
#endif
namespace permissions {
WebXrPermissionContext::WebXrPermissionContext(
content::BrowserContext* browser_context,
ContentSettingsType content_settings_type)
: PermissionContextBase(browser_context,
content_settings_type,
blink::mojom::PermissionsPolicyFeature::kWebXr),
content_settings_type_(content_settings_type) {
DCHECK(content_settings_type_ == ContentSettingsType::VR ||
content_settings_type_ == ContentSettingsType::AR);
}
WebXrPermissionContext::~WebXrPermissionContext() = default;
#if BUILDFLAG(IS_ANDROID)
// There are two other permissions that need to check corresponding OS-level
// permissions, and they take two different approaches to this. Geolocation only
// stores the permission ContentSetting if both requests are granted (or if the
// site permission is "Block"). The media permissions are now following the
// approach found here.
void WebXrPermissionContext::NotifyPermissionSet(
const PermissionRequestID& id,
const GURL& requesting_origin,
const GURL& embedding_origin,
BrowserPermissionCallback callback,
bool persist,
ContentSetting content_setting,
bool is_one_time,
bool is_final_decision) {
DCHECK(!is_one_time);
DCHECK(is_final_decision);
// Note that this method calls into base class implementation version of
// `NotifyPermissionSet()`, which would call `UpdateTabContext()`.
// This is fine, even in cases where we call the base method with a parameter
// that does not correspond to user's answer to Chrome-level permission,
// because `WebXrPermissionContext` does *not* have a custom implementation
// for `UpdateTabContext()` - if it did, we'd need to stop calling into base
// class with the parameter not matching user's answer.
// Only AR needs to check for additional permissions, and then only if it was
// actually allowed.
if (!(content_settings_type_ == ContentSettingsType::AR &&
content_setting == ContentSetting::CONTENT_SETTING_ALLOW)) {
PermissionContextBase::NotifyPermissionSet(
id, requesting_origin, embedding_origin, std::move(callback), persist,
content_setting, is_one_time, is_final_decision);
return;
}
// Whether or not the user will ultimately accept the OS permissions, we want
// to save the content_setting here if we should.
if (persist) {
PermissionContextBase::UpdateContentSetting(
requesting_origin, embedding_origin, content_setting, is_one_time);
}
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(
content::RenderFrameHost::FromID(id.global_render_frame_host_id()));
if (!web_contents) {
// If we can't get the web contents, we don't know the state of the OS
// permission, so assume we don't have it.
OnAndroidPermissionDecided(id, requesting_origin, embedding_origin,
std::move(callback),
false /*permission_granted*/);
return;
}
// Otherwise, the user granted permission to use AR, so now we need to check
// if we need to prompt for android system permissions.
std::vector<ContentSettingsType> permission_type = {content_settings_type_};
PermissionRepromptState reprompt_state =
ShouldRepromptUserForPermissions(web_contents, permission_type);
switch (reprompt_state) {
case PermissionRepromptState::kNoNeed:
// We have already returned if permission was denied by the user, and this
// indicates that we have all the OS permissions we need.
OnAndroidPermissionDecided(id, requesting_origin, embedding_origin,
std::move(callback),
true /*permission_granted*/);
return;
case PermissionRepromptState::kCannotShow:
// If we cannot show the info bar, then we have to assume we don't have
// the permissions we need.
OnAndroidPermissionDecided(id, requesting_origin, embedding_origin,
std::move(callback),
false /*permission_granted*/);
return;
case PermissionRepromptState::kShow:
// Otherwise, prompt the user that we need additional permissions.
permissions::PermissionsRepromptControllerAndroid::CreateForWebContents(
web_contents);
permissions::PermissionsRepromptControllerAndroid::FromWebContents(
web_contents)
->RepromptPermissionRequest(
permission_type, content_settings_type(),
base::BindOnce(
&WebXrPermissionContext::OnAndroidPermissionDecided,
weak_ptr_factory_.GetWeakPtr(), id, requesting_origin,
embedding_origin, std::move(callback)));
return;
}
}
void WebXrPermissionContext::OnAndroidPermissionDecided(
const PermissionRequestID& id,
const GURL& requesting_origin,
const GURL& embedding_origin,
BrowserPermissionCallback callback,
bool permission_granted) {
// If we were supposed to persist the setting we've already done so in the
// initial override of |NotifyPermissionSet|. At this point, if the user
// has denied the OS level permission, we want to notify the requestor that
// the permission has been blocked.
// TODO(https://crbug.com/1060163): Ensure that this is taken into account
// when returning navigator.permissions results.
ContentSetting setting = permission_granted
? ContentSetting::CONTENT_SETTING_ALLOW
: ContentSetting::CONTENT_SETTING_BLOCK;
PermissionContextBase::NotifyPermissionSet(
id, requesting_origin, embedding_origin, std::move(callback),
false /*persist*/, setting, /*is_one_time=*/false,
/*is_final_decision=*/true);
}
void WebXrPermissionContext::UpdateTabContext(
const permissions::PermissionRequestID& id,
const GURL& requesting_origin,
bool allowed) {
// See the comment in `NotifyPermissionSet()` for context on why this method
// should be empty.
}
#endif // BUILDFLAG(IS_ANDROID)
} // namespace permissions
|
