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
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/api/desktop_capture/desktop_capture_api.h"
#include "base/command_line.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_tab_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "net/base/url_util.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
namespace extensions {
namespace {
const char kDesktopCaptureApiNoTabIdError[] =
"targetTab doesn't have id field set.";
const char kDesktopCaptureApiNoUrlError[] =
"targetTab doesn't have URL field set.";
const char kDesktopCaptureApiInvalidOriginError[] =
"targetTab.url is not a valid URL.";
const char kDesktopCaptureApiInvalidTabIdError[] = "Invalid tab specified.";
const char kDesktopCaptureApiTabUrlNotSecure[] =
"URL scheme for the specified tab is not secure.";
const char kTargetTabRequiredFromServiceWorker[] =
"A target tab is required when called from a service worker context.";
} // namespace
DesktopCaptureChooseDesktopMediaFunction::
DesktopCaptureChooseDesktopMediaFunction() = default;
DesktopCaptureChooseDesktopMediaFunction::
~DesktopCaptureChooseDesktopMediaFunction() = default;
ExtensionFunction::ResponseAction
DesktopCaptureChooseDesktopMediaFunction::Run() {
EXTENSION_FUNCTION_VALIDATE(args().size() > 0);
const auto& request_id_value = args()[0];
EXTENSION_FUNCTION_VALIDATE(request_id_value.is_int());
request_id_ = request_id_value.GetInt();
DesktopCaptureRequestsRegistry::GetInstance()->AddRequest(source_process_id(),
request_id_, this);
mutable_args().erase(args().begin());
std::optional<api::desktop_capture::ChooseDesktopMedia::Params> params =
api::desktop_capture::ChooseDesktopMedia::Params::Create(args());
EXTENSION_FUNCTION_VALIDATE(params);
// |target_render_frame_host| is the RenderFrameHost for which the stream is
// created, and will also be used to determine where to show the picker's UI.
content::RenderFrameHost* target_render_frame_host = nullptr;
std::u16string target_name;
GURL origin;
if (params->target_tab) {
if (!params->target_tab->url) {
return RespondNow(Error(kDesktopCaptureApiNoUrlError));
}
origin = GURL(*(params->target_tab->url)).DeprecatedGetOriginAsURL();
if (!origin.is_valid()) {
return RespondNow(Error(kDesktopCaptureApiInvalidOriginError));
}
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
::switches::kAllowHttpScreenCapture) &&
!network::IsUrlPotentiallyTrustworthy(origin)) {
return RespondNow(Error(kDesktopCaptureApiTabUrlNotSecure));
}
target_name = base::UTF8ToUTF16(network::IsUrlPotentiallyTrustworthy(origin)
? net::GetHostAndOptionalPort(origin)
: origin.spec());
if (!params->target_tab->id ||
*params->target_tab->id == api::tabs::TAB_ID_NONE) {
return RespondNow(Error(kDesktopCaptureApiNoTabIdError));
}
content::WebContents* web_contents = nullptr;
if (!ExtensionTabUtil::GetTabById(
*(params->target_tab->id),
Profile::FromBrowserContext(browser_context()), true,
&web_contents)) {
return RespondNow(Error(kDesktopCaptureApiInvalidTabIdError));
}
// The |target_render_frame_host| is the main frame of the tab that
// was requested for capture.
target_render_frame_host = web_contents->GetPrimaryMainFrame();
} else {
origin = extension()->url();
target_name = base::UTF8ToUTF16(GetExtensionTargetName());
target_render_frame_host = render_frame_host();
}
if (!target_render_frame_host) {
return RespondNow(Error(kTargetTabRequiredFromServiceWorker));
}
const bool exclude_system_audio =
params->options &&
params->options->system_audio ==
api::desktop_capture::SystemAudioPreferenceEnum::kExclude;
const bool exclude_self_browser_surface =
params->options &&
params->options->self_browser_surface ==
api::desktop_capture::SelfCapturePreferenceEnum::kExclude;
const bool suppress_local_audio_playback_intended =
params->options &&
params->options->suppress_local_audio_playback_intended;
return Execute(params->sources, exclude_system_audio,
exclude_self_browser_surface,
suppress_local_audio_playback_intended,
target_render_frame_host, origin, target_name);
}
bool DesktopCaptureChooseDesktopMediaFunction::
ShouldKeepWorkerAliveIndefinitely() {
// `desktopCapture.chooseDesktopMedia()` displays a chooser dialog for the
// user to select the media to share with the extension; thus, we keep the
// worker alive for an extended period.
return true;
}
std::string DesktopCaptureChooseDesktopMediaFunction::GetExtensionTargetName()
const {
return GetCallerDisplayName();
}
DesktopCaptureCancelChooseDesktopMediaFunction::
DesktopCaptureCancelChooseDesktopMediaFunction() = default;
DesktopCaptureCancelChooseDesktopMediaFunction::
~DesktopCaptureCancelChooseDesktopMediaFunction() = default;
} // namespace extensions
|
