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
|
// 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/payments/core/url_util.h"
#include "net/base/url_util.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace payments {
namespace {
// The flag for whether file:// URLs are valid.
enum class File {
kIsAllowedForLocalDevelopment,
kIsProhibited,
};
// The flag for whether username and password are valid in the URL.
enum class UsernamePassword {
kNoRestrictions,
kIsProhibited,
};
// The flag for whether only https:// scheme is allowed or other non-https
// cryptographic schemes are allowed as well.
enum class CryptographicSchemes {
kOnlyHttps,
kAll,
};
// The flag for whether about:blank is allowed.
enum class AboutBlank {
kIsAllowedInPaymentHandlerWindow,
kIsProhibited,
};
// The flag for whether path, query, and ref are allowed.
enum class PathQueryRef {
kNoRestrictions,
kProhibitedInSupportedOrigins,
};
// Returns whether |url| is valid for Web Payment APIs. This method
// intentionally omits default parameters so the call sites list out use case
// specific rules explicitly for easy verification against specs, for example.
bool IsValidUrlForPayments(const GURL& url,
File file,
UsernamePassword username_password,
CryptographicSchemes cryptographic_schemes,
AboutBlank about_blank,
PathQueryRef path_query_ref) {
if (!url.is_valid())
return false;
if (url.IsAboutBlank())
return about_blank == AboutBlank::kIsAllowedInPaymentHandlerWindow;
if (url.SchemeIsFile())
return file == File::kIsAllowedForLocalDevelopment;
if (url.has_username() || url.has_password()) {
if (username_password == UsernamePassword::kIsProhibited)
return false;
}
if (url.has_ref() || url.has_query() || url.path() != "/") {
if (path_query_ref == PathQueryRef::kProhibitedInSupportedOrigins)
return false;
}
if (url.SchemeIs(url::kHttpsScheme))
return true;
if (url.SchemeIsCryptographic())
return cryptographic_schemes == CryptographicSchemes::kAll;
// Only HTTP schemes are allowed for both localhost and
// --unsafely-treat-insecure-origin-as-secure=<origin>.
if (!url.SchemeIs(url::kHttpScheme))
return false;
if (net::IsLocalhost(url))
return true;
// Check for --unsafely-treat-insecure-origin-as-secure=<origin>.
return network::SecureOriginAllowlist::GetInstance().IsOriginAllowlisted(
url::Origin::Create(url));
}
} // namespace
// static
bool UrlUtil::IsValidUrlBasedPaymentMethodIdentifier(const GURL& url) {
return IsValidUrlForPayments(
url, File::kIsProhibited, UsernamePassword::kIsProhibited,
CryptographicSchemes::kOnlyHttps, AboutBlank::kIsProhibited,
PathQueryRef::kNoRestrictions);
}
// static
bool UrlUtil::IsValidSupportedOrigin(const GURL& url) {
return IsValidUrlForPayments(
url, File::kIsProhibited, UsernamePassword::kIsProhibited,
CryptographicSchemes::kOnlyHttps, AboutBlank::kIsProhibited,
PathQueryRef::kProhibitedInSupportedOrigins);
}
// static
bool UrlUtil::IsValidManifestUrl(const GURL& url) {
return IsValidUrlForPayments(
url, File::kIsProhibited, UsernamePassword::kNoRestrictions,
CryptographicSchemes::kAll, AboutBlank::kIsProhibited,
PathQueryRef::kNoRestrictions);
}
// static
bool UrlUtil::IsOriginAllowedToUseWebPaymentApis(const GURL& url) {
return IsValidUrlForPayments(
url, File::kIsAllowedForLocalDevelopment,
UsernamePassword::kNoRestrictions, CryptographicSchemes::kAll,
AboutBlank::kIsProhibited, PathQueryRef::kNoRestrictions);
}
// static
bool UrlUtil::IsValidUrlInPaymentHandlerWindow(const GURL& url) {
return IsValidUrlForPayments(url, File::kIsAllowedForLocalDevelopment,
UsernamePassword::kNoRestrictions,
CryptographicSchemes::kAll,
AboutBlank::kIsAllowedInPaymentHandlerWindow,
PathQueryRef::kNoRestrictions);
}
// static
bool UrlUtil::IsLocalDevelopmentUrl(const GURL& url) {
DCHECK(url.is_valid());
if (url.SchemeIsFile())
return true;
if (net::IsLocalhost(url))
return true;
return network::SecureOriginAllowlist::GetInstance().IsOriginAllowlisted(
url::Origin::Create(url));
}
} // namespace payments
|
