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author | Morph <39850852+Morph1984@users.noreply.github.com> | 2020-11-29 16:54:09 +0100 |
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committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2020-12-18 16:33:28 +0100 |
commit | d46ca5a0157a5267b4c2ebf0515f1a492434071a (patch) | |
tree | a10347483315f757056382b4d552098d32c4e9f8 /src/core/hle/service/am/applets/web_browser.cpp | |
parent | ns_vm: Stub NeedsUpdateVulnerability (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/am/applets/web_browser.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/core/hle/service/am/applets/web_browser.cpp b/src/core/hle/service/am/applets/web_browser.cpp index c0c98ad30..02ce9f387 100644 --- a/src/core/hle/service/am/applets/web_browser.cpp +++ b/src/core/hle/service/am/applets/web_browser.cpp @@ -16,12 +16,14 @@ #include "core/file_sys/romfs.h" #include "core/file_sys/system_archive/system_archive.h" #include "core/file_sys/vfs_types.h" +#include "core/file_sys/vfs_vector.h" #include "core/frontend/applets/web_browser.h" #include "core/hle/kernel/process.h" #include "core/hle/result.h" #include "core/hle/service/am/am.h" #include "core/hle/service/am/applets/web_browser.h" #include "core/hle/service/filesystem/filesystem.h" +#include "core/hle/service/ns/pl_u.h" namespace Service::AM::Applets { @@ -123,6 +125,88 @@ FileSys::VirtualFile GetOfflineRomFS(Core::System& system, u64 title_id, } } +void ExtractSharedFonts(Core::System& system) { + static constexpr std::array<const char*, 7> DECRYPTED_SHARED_FONTS{ + "FontStandard.ttf", + "FontChineseSimplified.ttf", + "FontExtendedChineseSimplified.ttf", + "FontChineseTraditional.ttf", + "FontKorean.ttf", + "FontNintendoExtended.ttf", + "FontNintendoExtended2.ttf", + }; + + for (std::size_t i = 0; i < NS::SHARED_FONTS.size(); ++i) { + const auto fonts_dir = Common::FS::SanitizePath( + fmt::format("{}/fonts", Common::FS::GetUserPath(Common::FS::UserPath::CacheDir)), + Common::FS::DirectorySeparator::PlatformDefault); + + const auto font_file_path = + Common::FS::SanitizePath(fmt::format("{}/{}", fonts_dir, DECRYPTED_SHARED_FONTS[i]), + Common::FS::DirectorySeparator::PlatformDefault); + + if (Common::FS::Exists(font_file_path)) { + continue; + } + + const auto font = NS::SHARED_FONTS[i]; + const auto font_title_id = static_cast<u64>(font.first); + + const auto nca = system.GetFileSystemController().GetSystemNANDContents()->GetEntry( + font_title_id, FileSys::ContentRecordType::Data); + + FileSys::VirtualFile romfs; + + if (!nca) { + romfs = FileSys::SystemArchive::SynthesizeSystemArchive(font_title_id); + } else { + romfs = nca->GetRomFS(); + } + + if (!romfs) { + LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} cannot be extracted!", + font_title_id); + continue; + } + + const auto extracted_romfs = FileSys::ExtractRomFS(romfs); + + if (!extracted_romfs) { + LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} failed to extract!", + font_title_id); + continue; + } + + const auto font_file = extracted_romfs->GetFile(font.second); + + if (!font_file) { + LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} has no font file \"{}\"!", + font_title_id, font.second); + continue; + } + + std::vector<u32> font_data_u32(font_file->GetSize() / sizeof(u32)); + font_file->ReadBytes<u32>(font_data_u32.data(), font_file->GetSize()); + + std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(), + Common::swap32); + + std::vector<u8> decrypted_data(font_file->GetSize() - 8); + + NS::DecryptSharedFontToTTF(font_data_u32, decrypted_data); + + FileSys::VirtualFile decrypted_font = std::make_shared<FileSys::VectorVfsFile>( + std::move(decrypted_data), DECRYPTED_SHARED_FONTS[i]); + + const auto temp_dir = + system.GetFilesystem()->CreateDirectory(fonts_dir, FileSys::Mode::ReadWrite); + + const auto out_file = temp_dir->CreateFile(DECRYPTED_SHARED_FONTS[i]); + + FileSys::VfsRawCopy(decrypted_font, out_file); + } +} + } // namespace WebBrowser::WebBrowser(Core::System& system_, const Core::Frontend::WebBrowserApplet& frontend_) @@ -155,6 +239,8 @@ void WebBrowser::Initialize() { LOG_DEBUG(Service_AM, "WebArgHeader: total_tlv_entries={}, shim_kind={}", web_arg_header.total_tlv_entries, web_arg_header.shim_kind); + ExtractSharedFonts(system); + switch (web_arg_header.shim_kind) { case ShimKind::Shop: InitializeShop(); |