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
|
// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/clipboard_host_impl.h"
#import <Cocoa/Cocoa.h>
#include <stddef.h>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/strings/sys_string_conversions.h"
#include "content/public/browser/browser_thread.h"
#import "ui/base/cocoa/find_pasteboard.h"
namespace content {
namespace {
// The number of utf16 code units that will be written to the find pasteboard,
// longer texts are silently ignored. This is to prevent that a compromised
// renderer can write unlimited amounts of data into the find pasteboard.
static constexpr size_t kMaxFindPboardStringLength = 4096;
} // namespace
void ClipboardHostImpl::WriteStringToFindPboard(const std::u16string& text) {
if (text.length() <= kMaxFindPboardStringLength) {
NSString* nsText = base::SysUTF16ToNSString(text);
if (nsText) {
[[FindPasteboard sharedInstance] setFindText:nsText];
}
}
}
void ClipboardHostImpl::GetPlatformPermissionState(
GetPlatformPermissionStateCallback callback) {
// Note: This method is only called when the MacSystemClipboardPermissionCheck
// runtime flag is enabled in the renderer process.
// Check macOS system privacy settings for programmatic clipboard access using
// the accessBehavior property available in macOS 15.4+. These settings only
// affect programmatic access - direct user actions like ⌘V always work.
blink::mojom::PlatformClipboardPermissionState state =
blink::mojom::PlatformClipboardPermissionState::kAsk;
if (@available(macOS 15.4, *)) {
NSPasteboardAccessBehavior access_behavior =
[NSPasteboard generalPasteboard].accessBehavior;
switch (access_behavior) {
case NSPasteboardAccessBehaviorAlwaysAllow:
state = blink::mojom::PlatformClipboardPermissionState::kAllow;
break;
case NSPasteboardAccessBehaviorAlwaysDeny:
state = blink::mojom::PlatformClipboardPermissionState::kDeny;
break;
case NSPasteboardAccessBehaviorAsk:
state = blink::mojom::PlatformClipboardPermissionState::kAsk;
break;
case NSPasteboardAccessBehaviorDefault:
// Default behavior for the General pasteboard is to ask upon
// programmatic access
state = blink::mojom::PlatformClipboardPermissionState::kAsk;
break;
}
} else {
// The behavior of older macOS versions is effectively kAllow.
state = blink::mojom::PlatformClipboardPermissionState::kAllow;
}
std::move(callback).Run(state);
}
} // namespace content
|
