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// Copyright 2023 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/ash/input_method/url_utils.h"
#include <string_view>
#include "base/strings/string_util.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "url/url_util.h"
namespace ash {
namespace input_method {
// Checks if domain is a sub-domain of url
bool IsSubDomain(const GURL& url, std::string_view domain) {
const size_t registryLength =
net::registry_controlled_domains::GetRegistryLength(
url, net::registry_controlled_domains::EXCLUDE_UNKNOWN_REGISTRIES,
net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES);
// Localhost is valid and we want to deny features on it but has not registry.
if (registryLength == 0 && domain != "localhost") {
return false;
}
const std::string_view urlContent = url.host_piece();
const std::string_view urlDomain = urlContent.substr(
0, urlContent.length() - registryLength - (registryLength == 0 ? 0 : 1));
return url::DomainIs(urlDomain, domain);
}
// Checks if url belongs to domain and has the path_prefix
bool IsSubDomainWithPathPrefix(const GURL& url,
std::string_view domain,
std::string_view path_prefix) {
return IsSubDomain(url, domain) && url.has_path() &&
base::StartsWith(url.path(), path_prefix);
}
} // namespace input_method
} // namespace ash
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