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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_MESSAGING_MESSAGING_DELEGATE_H_
#define EXTENSIONS_BROWSER_API_MESSAGING_MESSAGING_DELEGATE_H_
#include <memory>
#include <optional>
#include <string>
#include "base/functional/callback_forward.h"
#include "base/memory/weak_ptr.h"
#include "extensions/browser/api/messaging/message_port.h"
#include "extensions/common/extension_id.h"
class GURL;
namespace content {
class BrowserContext;
class RenderFrameHost;
class WebContents;
} // namespace content
namespace extensions {
class Extension;
struct PortId;
// Helper class for embedder-specific extension messaging API support for tabs
// and native apps.
class MessagingDelegate {
public:
enum class PolicyPermission {
DISALLOW, // The host is not allowed.
ALLOW_SYSTEM_ONLY, // Allowed only when installed on system level.
ALLOW_ALL, // Allowed when installed on system or user level.
};
virtual ~MessagingDelegate() = default;
// Checks whether native messaging is allowed for the given host.
virtual PolicyPermission IsNativeMessagingHostAllowed(
content::BrowserContext* browser_context,
const std::string& native_host_name);
// If web_contents is a tab, returns a dictionary representing its tab.
// Otherwise returns nullptr.
virtual std::optional<base::Value::Dict> MaybeGetTabInfo(
content::WebContents* web_contents);
// Returns the WebContents for the given tab ID, if found.
virtual content::WebContents* GetWebContentsByTabId(
content::BrowserContext* browser_context,
int tab_id);
// Creates a MessagePort for a native app. If the port cannot be created,
// returns nullptr and may populate `error_out`.
virtual std::unique_ptr<MessagePort> CreateReceiverForNativeApp(
content::BrowserContext* browser_context,
base::WeakPtr<MessagePort::ChannelDelegate> channel_delegate,
content::RenderFrameHost* source,
const ExtensionId& extension_id,
const PortId& receiver_port_id,
const std::string& native_app_name,
bool allow_user_level,
std::string* error_out);
// Runs `callback` with true if `url` is allowed to connect to `extension`
// from incognito mode, false otherwise. If the URL's origin has not been
// granted/denied access yet, the user may be prompted before the callback is
// run with their response.
virtual void QueryIncognitoConnectability(
content::BrowserContext* context,
const Extension* extension,
content::WebContents* web_contents,
const GURL& url,
base::OnceCallback<void(bool)> callback);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_MESSAGING_MESSAGING_DELEGATE_H_
|
