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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/schemeful_site.h"
#include "base/check.h"
#include "base/metrics/histogram_macros.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/base/url_util.h"
#include "url/gurl.h"
#include "url/url_canon.h"
#include "url/url_constants.h"
namespace net {
// Return a tuple containing:
// * a new origin using the registerable domain of `origin` if possible and
// a port of 0; otherwise, the passed-in origin.
// * a bool indicating whether `origin` had a non-null registerable domain.
// (False if `origin` was opaque.)
//
// Follows steps specified in
// https://html.spec.whatwg.org/multipage/origin.html#obtain-a-site
SchemefulSite::ObtainASiteResult SchemefulSite::ObtainASite(
const url::Origin& origin) {
// 1. If origin is an opaque origin, then return origin.
if (origin.opaque())
return {origin, false /* used_registerable_domain */};
std::string registerable_domain;
// Non-normative step.
// We only lookup the registerable domain for schemes with network hosts, this
// is non-normative. Other schemes for non-opaque origins do not
// meaningfully have a registerable domain for their host, so they are
// skipped.
if (IsStandardSchemeWithNetworkHost(origin.scheme())) {
registerable_domain = GetDomainAndRegistry(
origin, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
}
// If origin's host's registrable domain is null, then return (origin's
// scheme, origin's host).
//
// `GetDomainAndRegistry()` returns an empty string for IP literals and
// effective TLDs.
//
// Note that `registerable_domain` could still end up empty, since the
// `origin` might have a scheme that permits empty hostnames, such as "file".
bool used_registerable_domain = !registerable_domain.empty();
if (!used_registerable_domain)
registerable_domain = origin.host();
int port = url::DefaultPortForScheme(origin.scheme().c_str(),
origin.scheme().length());
// Provide a default port of 0 for non-standard schemes.
if (port == url::PORT_UNSPECIFIED)
port = 0;
return {url::Origin::CreateFromNormalizedTuple(origin.scheme(),
registerable_domain, port),
used_registerable_domain};
}
SchemefulSite::SchemefulSite(ObtainASiteResult result)
: site_as_origin_(std::move(result.origin)) {}
SchemefulSite::SchemefulSite(const url::Origin& origin)
: SchemefulSite(ObtainASite(origin)) {}
SchemefulSite::SchemefulSite(const GURL& url)
: SchemefulSite(url::Origin::Create(url)) {}
SchemefulSite::SchemefulSite(const SchemefulSite& other) = default;
SchemefulSite::SchemefulSite(SchemefulSite&& other) noexcept = default;
SchemefulSite& SchemefulSite::operator=(const SchemefulSite& other) = default;
SchemefulSite& SchemefulSite::operator=(SchemefulSite&& other) noexcept =
default;
// static
bool SchemefulSite::FromWire(const url::Origin& site_as_origin,
SchemefulSite* out) {
// The origin passed into this constructor may not match the
// `site_as_origin_` used as the internal representation of the schemeful
// site. However, a valid SchemefulSite's internal origin should result in a
// match if used to construct another SchemefulSite. Thus, if there is a
// mismatch here, we must indicate a failure.
SchemefulSite candidate(site_as_origin);
if (candidate.site_as_origin_ != site_as_origin)
return false;
*out = std::move(candidate);
return true;
}
absl::optional<SchemefulSite> SchemefulSite::CreateIfHasRegisterableDomain(
const url::Origin& origin) {
ObtainASiteResult result = ObtainASite(origin);
if (!result.used_registerable_domain)
return absl::nullopt;
return SchemefulSite(std::move(result));
}
void SchemefulSite::ConvertWebSocketToHttp() {
if (site_as_origin_.scheme() == url::kWsScheme ||
site_as_origin_.scheme() == url::kWssScheme) {
site_as_origin_ = url::Origin::Create(
ChangeWebSocketSchemeToHttpScheme(site_as_origin_.GetURL()));
}
}
// static
SchemefulSite SchemefulSite::Deserialize(const std::string& value) {
return SchemefulSite(GURL(value));
}
std::string SchemefulSite::Serialize() const {
return site_as_origin_.Serialize();
}
std::string SchemefulSite::SerializeFileSiteWithHost() const {
DCHECK_EQ(url::kFileScheme, site_as_origin_.scheme());
return site_as_origin_.GetTupleOrPrecursorTupleIfOpaque().Serialize();
}
std::string SchemefulSite::GetDebugString() const {
return site_as_origin_.GetDebugString();
}
GURL SchemefulSite::GetURL() const {
return site_as_origin_.GetURL();
}
const url::Origin& SchemefulSite::GetInternalOriginForTesting() const {
return site_as_origin_;
}
bool SchemefulSite::operator==(const SchemefulSite& other) const {
return site_as_origin_ == other.site_as_origin_;
}
bool SchemefulSite::operator!=(const SchemefulSite& other) const {
return !(*this == other);
}
// Allows SchemefulSite to be used as a key in STL containers (for example, a
// std::set or std::map).
bool SchemefulSite::operator<(const SchemefulSite& other) const {
return site_as_origin_ < other.site_as_origin_;
}
// static
absl::optional<SchemefulSite> SchemefulSite::DeserializeWithNonce(
const std::string& value) {
absl::optional<url::Origin> result = url::Origin::Deserialize(value);
if (!result)
return absl::nullopt;
return SchemefulSite(result.value());
}
absl::optional<std::string> SchemefulSite::SerializeWithNonce() {
return site_as_origin_.SerializeWithNonceAndInitIfNeeded();
}
bool SchemefulSite::SchemelesslyEqual(const SchemefulSite& other) const {
return site_as_origin_.host() == other.site_as_origin_.host();
}
std::ostream& operator<<(std::ostream& os, const SchemefulSite& ss) {
os << ss.Serialize();
return os;
}
} // namespace net
|
