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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/web_applications/web_app_helpers.h"
#include "base/check_op.h"
#include "base/feature_list.h"
#include "base/no_destructor.h"
#include "base/strings/strcat.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/web_applications/proto/web_app_install_state.pb.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "components/crx_file/id_util.h"
#include "components/password_manager/content/common/web_ui_constants.h"
#include "components/webapps/common/web_app_id.h"
#include "content/public/common/url_constants.h"
#include "crypto/sha2.h"
#include "third_party/blink/public/mojom/manifest/manifest.mojom.h"
#include "url/gurl.h"
#include "url/origin.h"
#include "url/url_constants.h"
namespace web_app {
namespace {
// The following string is used to concatenate the id of a sub-app with the id
// of the respective parent app, to produce a new id that is assured to not
// conflict with the id of the same app when installed as a standalone app.
const char kSubAppIdConcatenation[] = ":";
std::string MaybeConcatenateParentAppManifestId(
const webapps::ManifestId& manifest_id,
const std::optional<webapps::ManifestId>& parent_manifest_id) {
if (parent_manifest_id.has_value()) {
CHECK(parent_manifest_id->is_valid());
CHECK_NE(parent_manifest_id.value(), manifest_id)
<< "An app cannot be a parent to itself.";
return base::StrCat({manifest_id.GetWithoutRef().spec(),
kSubAppIdConcatenation,
parent_manifest_id->GetWithoutRef().spec()});
} else {
return manifest_id.GetWithoutRef().spec();
}
}
} // namespace
// The following string is used to build the directory name for
// shortcuts to chrome applications (the kind which are installed
// from a CRX). Application shortcuts to URLs use the {host}_{path}
// for the name of this directory. Hosts can't include an underscore.
// By starting this string with an underscore, we ensure that there
// are no naming conflicts.
const char kCrxAppPrefix[] = "_crx_";
std::string GenerateApplicationNameFromURL(const GURL& url) {
return base::StrCat({url.host_piece(), "_", url.path_piece()});
}
std::string GenerateApplicationNameFromAppId(const webapps::AppId& app_id) {
std::string t(kCrxAppPrefix);
t.append(app_id);
return t;
}
webapps::AppId GetAppIdFromApplicationName(const std::string& app_name) {
std::string prefix(kCrxAppPrefix);
if (app_name.substr(0, prefix.length()) != prefix)
return std::string();
return app_name.substr(prefix.length());
}
webapps::AppId GenerateAppId(
const std::optional<std::string>& manifest_id_path,
const GURL& start_url,
const std::optional<webapps::ManifestId>& parent_manifest_id) {
if (!manifest_id_path) {
return GenerateAppIdFromManifestId(
GenerateManifestIdFromStartUrlOnly(start_url), parent_manifest_id);
}
return GenerateAppIdFromManifestId(
GenerateManifestId(manifest_id_path.value(), start_url),
parent_manifest_id);
}
webapps::AppId GenerateAppIdFromManifest(
const blink::mojom::Manifest& manifest,
const std::optional<webapps::ManifestId>& parent_manifest_id) {
CHECK(manifest.id.is_valid());
return GenerateAppIdFromManifestId(manifest.id, parent_manifest_id);
}
webapps::AppId GenerateAppIdFromManifestId(
const webapps::ManifestId& manifest_id,
const std::optional<webapps::ManifestId>& parent_manifest_id) {
// The app ID is hashed twice: here and in GenerateId.
// The double-hashing is for historical reasons and it needs to stay
// this way for backwards compatibility. (Back then, a web app's input to the
// hash needed to be formatted like an extension public key.)
auto concatenated_manifest_id =
MaybeConcatenateParentAppManifestId(manifest_id, parent_manifest_id);
return crx_file::id_util::GenerateId(
crypto::SHA256HashString(concatenated_manifest_id));
}
webapps::ManifestId GenerateManifestIdFromStartUrlOnly(const GURL& start_url) {
CHECK(start_url.is_valid()) << start_url.spec();
return start_url.GetWithoutRef();
}
webapps::ManifestId GenerateManifestId(const std::string& manifest_id_path,
const GURL& start_url) {
const webapps::ManifestId manifest_id =
GenerateManifestIdUnsafe(manifest_id_path, start_url);
CHECK(manifest_id.is_valid())
<< "start_url: " << start_url << ", manifest_id = " << manifest_id_path;
return manifest_id;
}
webapps::ManifestId GenerateManifestIdUnsafe(
const std::string& manifest_id_path,
const GURL& start_url) {
// When manifest_id_path is specified, the manifest_id is generated from
// <start_url_origin>/<manifest_id_path>.
// Note: start_url.DeprecatedGetOriginAsURL().spec() returns the origin ending
// with slash.
const GURL manifest_id(start_url.DeprecatedGetOriginAsURL().spec() +
manifest_id_path);
return manifest_id.GetWithoutRef();
}
namespace {
base::flat_set<std::string>& ValidChromeUrlHosts() {
static base::NoDestructor<base::flat_set<std::string>> hosts;
return *hosts.get();
}
} // namespace
bool IsValidWebAppUrl(const GURL& app_url) {
if (app_url.is_empty() || app_url.inner_url())
return false;
bool allow_extension_apps = true;
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
// Stop allowing apps to be extension urls when the shortcuts are separated -
// they can be extension urls instead.
allow_extension_apps = false;
#endif
// TODO(crbug.com/40793595): Remove chrome-extension scheme.
return app_url.SchemeIs(url::kHttpScheme) ||
app_url.SchemeIs(url::kHttpsScheme) ||
(allow_extension_apps && app_url.SchemeIs("chrome-extension")) ||
(app_url.SchemeIs(content::kChromeUIScheme) &&
((app_url.host() == password_manager::kChromeUIPasswordManagerHost) ||
ValidChromeUrlHosts().contains(app_url.host())));
}
base::ScopedClosureRunner AddValidWebAppChromeUrlHostForTesting( // IN-TEST
const std::string& host) {
CHECK(ValidChromeUrlHosts().insert(host).second);
return base::ScopedClosureRunner(base::BindOnce(
[](const std::string& host) {
CHECK(ValidChromeUrlHosts().contains(host));
ValidChromeUrlHosts().erase(host);
},
host));
}
std::optional<webapps::AppId> FindInstalledAppWithUrlInScope(Profile* profile,
const GURL& url,
bool window_only) {
auto* provider = WebAppProvider::GetForLocalAppsUnchecked(profile);
return provider
? provider->registrar_unsafe().FindBestAppWithUrlInScope(
url, window_only
? web_app::WebAppFilter::OpensInDedicatedWindow()
: web_app::WebAppFilter::InstalledInChrome())
: std::nullopt;
}
bool IsNonLocallyInstalledAppWithUrlInScope(Profile* profile, const GURL& url) {
auto* provider = WebAppProvider::GetForWebApps(profile);
return provider ? provider->registrar_unsafe()
.FindBestAppWithUrlInScope(
url, web_app::WebAppFilter::IsSuggestedApp())
.has_value()
: false;
}
bool LooksLikePlaceholder(const WebApp& app) {
for (const auto& [install_source, config] :
app.management_to_external_config_map()) {
if (config.is_placeholder) {
return true;
}
for (const GURL& install_url : config.install_urls) {
if (app.untranslated_name() == install_url.spec()) {
return true;
}
}
}
return false;
}
} // namespace web_app
|
