LibURL+LibWebView: Move public suffix data to LibURL

Author: https://github.com/AtkinsSJ
Commit: 3124dca528
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2610
Reviewed-by: https://github.com/shannonbooth ✅

Libraries/LibURL/CMakeLists.txt

@@ -1,8 +1,12 @@
+include(public_suffix)
+
 set(SOURCES
     Origin.cpp
     Parser.cpp
     URL.cpp
+    ${PUBLIC_SUFFIX_SOURCES}
 )
 
 serenity_lib(LibURL url)
 target_link_libraries(LibURL PRIVATE LibUnicode LibTextCodec)
+target_compile_definitions(LibURL PRIVATE ENABLE_PUBLIC_SUFFIX=$<BOOL:${ENABLE_PUBLIC_SUFFIX_DOWNLOAD}>)

Libraries/LibURL/URL.cpp

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
  * Copyright (c) 2021, Max Wipfli <mail@maxwipfli.ch>
+ * Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -14,6 +15,10 @@
 #include <LibURL/Parser.h>
 #include <LibURL/URL.h>
 
+#if defined(ENABLE_PUBLIC_SUFFIX)
+#    include <LibURL/PublicSuffixData.h>
+#endif
+
 namespace URL {
 
 // FIXME: It could make sense to force users of URL to use URL::Parser::basic_parse() explicitly instead of using a constructor.
@@ -498,4 +503,22 @@ ByteString percent_decode(StringView input)
     return builder.to_byte_string();
 }
 
+bool is_public_suffix([[maybe_unused]] StringView host)
+{
+#if defined(ENABLE_PUBLIC_SUFFIX)
+    return PublicSuffixData::the()->is_public_suffix(host);
+#else
+    return false;
+#endif
+}
+
+Optional<String> get_public_suffix([[maybe_unused]] StringView host)
+{
+#if defined(ENABLE_PUBLIC_SUFFIX)
+    return MUST(PublicSuffixData::the()->get_public_suffix(host));
+#else
+    return {};
+#endif
+}
+
 }

Libraries/LibURL/URL.h

@@ -199,6 +199,9 @@ URL create_with_url_or_path(ByteString const&);
 URL create_with_file_scheme(ByteString const& path, ByteString const& fragment = {}, ByteString const& hostname = {});
 URL create_with_data(StringView mime_type, StringView payload, bool is_base64 = false);
 
+bool is_public_suffix(StringView host);
+Optional<String> get_public_suffix(StringView host);
+
 }
 
 template<>