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https://github.com/LadybirdBrowser/ladybird.git
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We don't need the extra gradle files in our sources, the Qt CMake integration will generate suitable ones for us. Make sure that assets is always a folder, so that we can get the proper layout for the ladybird-assets.tar.gz and CMake doesn't create a gzip file with the name "assets". Fix up the AndroidPlatform file and make sure it's linked into all the applications that need it. Also make sure to copy all the application shared libraries into the ladybird APK so that when we make them into proper Services, the libs are already there.
199 lines
7.3 KiB
C++
199 lines
7.3 KiB
C++
/*
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* Copyright (c) 2022, Andrew Kaster <akaster@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/DeprecatedString.h>
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#include <AK/LexicalPath.h>
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#include <AK/Platform.h>
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#include <AK/ScopeGuard.h>
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#include <LibArchive/Tar.h>
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#include <LibArchive/TarStream.h>
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#include <LibCompress/Gzip.h>
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#include <LibCore/Directory.h>
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#include <LibCore/System.h>
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#include <LibFileSystem/FileSystem.h>
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#include <LibMain/Main.h>
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#include <QCoreApplication>
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#include <QJniObject>
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#include <QSslSocket>
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#ifndef AK_OS_ANDROID
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# error This file is for Android only, check CMake config!
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#endif
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// HACK ALERT, we need to include LibMain manually here because the Qt build system doesn't include LibMain.a in the actual executable,
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// nor include it in libladybird_<arch>.so
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#include <LibMain/Main.cpp> // NOLINT(bugprone-suspicious-include)
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extern DeprecatedString s_serenity_resource_root;
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void android_platform_init();
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static void extract_ladybird_resources();
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static ErrorOr<void> extract_tar_archive(String archive_file, DeprecatedString output_directory);
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void android_platform_init()
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{
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qDebug() << "Device supports OpenSSL: " << QSslSocket::supportsSsl();
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QJniObject res = QJniObject::callStaticMethod<jstring>("org/serenityos/ladybird/TransferAssets",
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"transferAssets",
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"(Landroid/content/Context;)Ljava/lang/String;",
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QNativeInterface::QAndroidApplication::context());
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s_serenity_resource_root = res.toString().toUtf8().data();
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extract_ladybird_resources();
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}
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void extract_ladybird_resources()
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{
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qDebug() << "serenity resource root is " << s_serenity_resource_root.characters();
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auto file_or_error = Core::System::open(DeprecatedString::formatted("{}/res/icons/16x16/app-browser.png", s_serenity_resource_root), O_RDONLY);
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if (file_or_error.is_error()) {
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qDebug() << "Unable to open test file file as expected, extracting asssets...";
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MUST(extract_tar_archive(MUST(String::formatted("{}/ladybird-assets.tar", s_serenity_resource_root)), s_serenity_resource_root));
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} else {
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qDebug() << "Opened app-browser.png test file, good to go!";
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qDebug() << "Hopefully no developer changed the asset files and expected them to be re-extracted!";
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}
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}
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ErrorOr<void> extract_tar_archive(String archive_file, DeprecatedString output_directory)
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{
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constexpr size_t buffer_size = 4096;
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auto file = TRY(Core::InputBufferedFile::create(TRY(Core::File::open(archive_file, Core::File::OpenMode::Read))));
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DeprecatedString old_pwd = TRY(Core::System::getcwd());
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TRY(Core::System::chdir(output_directory));
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ScopeGuard go_back = [&old_pwd] { MUST(Core::System::chdir(old_pwd)); };
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auto tar_stream = TRY(Archive::TarInputStream::construct(make<Compress::GzipCompressor>(move(file))));
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HashMap<DeprecatedString, DeprecatedString> global_overrides;
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HashMap<DeprecatedString, DeprecatedString> local_overrides;
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auto get_override = [&](StringView key) -> Optional<DeprecatedString> {
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Optional<DeprecatedString> maybe_local = local_overrides.get(key);
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if (maybe_local.has_value())
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return maybe_local;
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Optional<DeprecatedString> maybe_global = global_overrides.get(key);
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if (maybe_global.has_value())
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return maybe_global;
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return {};
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};
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while (!tar_stream->finished()) {
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Archive::TarFileHeader const& header = tar_stream->header();
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// Handle meta-entries earlier to avoid consuming the file content stream.
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if (header.content_is_like_extended_header()) {
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switch (header.type_flag()) {
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case Archive::TarFileType::GlobalExtendedHeader: {
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TRY(tar_stream->for_each_extended_header([&](StringView key, StringView value) {
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if (value.length() == 0)
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global_overrides.remove(key);
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else
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global_overrides.set(key, value);
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}));
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break;
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}
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case Archive::TarFileType::ExtendedHeader: {
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TRY(tar_stream->for_each_extended_header([&](StringView key, StringView value) {
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local_overrides.set(key, value);
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}));
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break;
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}
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default:
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warnln("Unknown extended header type '{}' of {}", (char)header.type_flag(), header.filename());
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VERIFY_NOT_REACHED();
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}
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TRY(tar_stream->advance());
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continue;
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}
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Archive::TarFileStream file_stream = tar_stream->file_contents();
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// Handle other header types that don't just have an effect on extraction.
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switch (header.type_flag()) {
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case Archive::TarFileType::LongName: {
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StringBuilder long_name;
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Array<u8, buffer_size> buffer;
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while (!file_stream.is_eof()) {
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auto slice = TRY(file_stream.read_some(buffer));
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long_name.append(reinterpret_cast<char*>(slice.data()), slice.size());
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}
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local_overrides.set("path", long_name.to_deprecated_string());
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TRY(tar_stream->advance());
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continue;
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}
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default:
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// None of the relevant headers, so continue as normal.
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break;
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}
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LexicalPath path = LexicalPath(header.filename());
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if (!header.prefix().is_empty())
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path = path.prepend(header.prefix());
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DeprecatedString filename = get_override("path"sv).value_or(path.string());
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DeprecatedString absolute_path = TRY(FileSystem::absolute_path(filename)).to_deprecated_string();
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auto parent_path = LexicalPath(absolute_path).parent();
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auto header_mode = TRY(header.mode());
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switch (header.type_flag()) {
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case Archive::TarFileType::NormalFile:
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case Archive::TarFileType::AlternateNormalFile: {
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MUST(Core::Directory::create(parent_path, Core::Directory::CreateDirectories::Yes));
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int fd = TRY(Core::System::open(absolute_path, O_CREAT | O_WRONLY, header_mode));
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Array<u8, buffer_size> buffer;
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while (!file_stream.is_eof()) {
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auto slice = TRY(file_stream.read_some(buffer));
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TRY(Core::System::write(fd, slice));
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}
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TRY(Core::System::close(fd));
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break;
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}
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case Archive::TarFileType::SymLink: {
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MUST(Core::Directory::create(parent_path, Core::Directory::CreateDirectories::Yes));
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TRY(Core::System::symlink(header.link_name(), absolute_path));
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break;
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}
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case Archive::TarFileType::Directory: {
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MUST(Core::Directory::create(parent_path, Core::Directory::CreateDirectories::Yes));
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auto result_or_error = Core::System::mkdir(absolute_path, header_mode);
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if (result_or_error.is_error() && result_or_error.error().code() != EEXIST)
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return result_or_error.release_error();
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break;
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}
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default:
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// FIXME: Implement other file types
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warnln("file type '{}' of {} is not yet supported", (char)header.type_flag(), header.filename());
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VERIFY_NOT_REACHED();
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}
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// Non-global headers should be cleared after every file.
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local_overrides.clear();
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TRY(tar_stream->advance());
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}
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return {};
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}
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