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
content / public / browser / mojo_binder_policy_map.h [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_MOJO_BINDER_POLICY_MAP_H_
#define CONTENT_PUBLIC_BROWSER_MOJO_BINDER_POLICY_MAP_H_
#include <string_view>
#include "base/check_op.h"
#include "content/common/content_export.h"
namespace content {
// MojoBinderNonAssociatedPolicy specifies policies for non-associated
// interfaces. It is used by `MojoBinderPolicyMapApplier` for Mojo
// capability control.
// See the comment in
// `MojoBinderPolicyApplier::ApplyPolicyToNonAssociatedBinder()` for details.
enum class MojoBinderNonAssociatedPolicy {
// Run the binder registered for the requested interface as normal.
kGrant,
// Defer running the binder registered for the requested interface. Deferred
// binders can be explicitly asked to run later.
kDefer,
// Used for interface requests that cannot be handled and should cause the
// requesting context to be discarded (for example, cancel prerendering).
kCancel,
// The interface request is not expected. Kill the calling renderer.
kUnexpected,
};
// MojoBinderAssociatedPolicy specifies policies for channel-associated
// interfaces. It is used by `MojoBinderPolicyMapApplier` for Mojo capability
// control. See the comment in
// `MojoBinderPolicyApplier::ApplyPolicyToAssociatedBinder()` for details.
enum class MojoBinderAssociatedPolicy {
// Run the binder registered for the requested interface as normal.
kGrant,
// Used for interface requests that cannot be handled and should cause the
// requesting context to be discarded (for example, cancel prerendering).
kCancel,
// The interface request is not expected. Kill the calling renderer.
kUnexpected,
};
// Used by content/ layer to manage interfaces' binding policies. Embedders can
// set their own policies via this interface.
// TODO(crbug.com/40160797): Consider integrating it with
// mojo::BinderMap.
class CONTENT_EXPORT MojoBinderPolicyMap {
public:
MojoBinderPolicyMap() = default;
virtual ~MojoBinderPolicyMap() = default;
// Called by embedders to set their binder policies for channel-associated
// interfaces.
template <typename Interface>
void SetAssociatedPolicy(MojoBinderAssociatedPolicy policy) {
SetPolicyByName(Interface::Name_, policy);
}
// Called by embedders to set their binder policies for non-associated
// interfaces.
template <typename Interface>
void SetNonAssociatedPolicy(MojoBinderNonAssociatedPolicy policy) {
SetPolicyByName(Interface::Name_, policy);
}
private:
virtual void SetPolicyByName(const std::string_view& name,
MojoBinderAssociatedPolicy policy) = 0;
virtual void SetPolicyByName(const std::string_view& name,
MojoBinderNonAssociatedPolicy policy) = 0;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_MOJO_BINDER_POLICY_MAP_H_