a8f0fa5dd4
After d2c7e1ea7d, there is now only one
user of LibPublicSuffix - the URL sanitation utility within LibWebView.
Rather than having an entire library for the small Public Suffix data
accessor, merge it into LibWebView.
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibCore/System.h>
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#include <LibFileSystem/FileSystem.h>
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#include <LibWebView/URL.h>
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#if defined(ENABLE_PUBLIC_SUFFIX)
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# include <LibWebView/PublicSuffixData.h>
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#endif
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namespace WebView {
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static Optional<URL> query_public_suffix_list(StringView url_string)
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{
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auto out = MUST(String::from_utf8(url_string));
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if (!out.contains("://"sv))
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out = MUST(String::formatted("https://{}"sv, out));
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auto url = URL::create_with_url_or_path(out.to_deprecated_string());
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if (!url.is_valid())
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return {};
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#if defined(ENABLE_PUBLIC_SUFFIX)
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if (url.host().has<URL::IPv4Address>() || url.host().has<URL::IPv6Address>())
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return url;
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if (url.scheme() != "http"sv && url.scheme() != "https"sv)
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return url;
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if (url.host().has<String>()) {
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auto const& host = url.host().get<String>();
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if (auto public_suffix = MUST(PublicSuffixData::the()->get_public_suffix(host)); public_suffix.has_value())
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return url;
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if (host.ends_with_bytes(".local"sv) || host.ends_with_bytes("localhost"sv))
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return url;
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}
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return {};
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#else
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return url;
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#endif
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}
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Optional<URL> sanitize_url(StringView url, Optional<StringView> search_engine, AppendTLD append_tld)
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{
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if (FileSystem::exists(url)) {
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auto path = FileSystem::real_path(url);
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if (path.is_error())
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return {};
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return URL::create_with_file_scheme(path.value().to_deprecated_string());
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}
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auto format_search_engine = [&]() -> Optional<URL> {
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if (!search_engine.has_value())
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return {};
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return MUST(String::formatted(*search_engine, URL::percent_decode(url)));
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};
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String url_buffer;
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if (append_tld == AppendTLD::Yes) {
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// FIXME: Expand the list of top level domains.
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if (!url.ends_with(".com"sv) && !url.ends_with(".net"sv) && !url.ends_with(".org"sv)) {
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url_buffer = MUST(String::formatted("{}.com", url));
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url = url_buffer;
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}
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}
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auto result = query_public_suffix_list(url);
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if (!result.has_value())
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return format_search_engine();
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return result.release_value();
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}
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}
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