Reorganize code

src/core/file_sys/ncch_container.cpp

@@ -42,7 +42,11 @@ bool NCCHContainer::Load() {
     if (is_loaded)
         return true;
 
-    if (file->IsOpen()) {
+    if (!file->IsOpen()) {
+        LOG_WARNING(Service_FS, "Failed to open");
+        return false;
+    }
+
     // Reset read pointer in case this file has been read before.
     file->Seek(0, SEEK_SET);
 
@@ -146,8 +150,7 @@ bool NCCHContainer::Load() {
             LOG_DEBUG(Loader, "NCCH version 1");
             // In this version, CTR for each section is the section offset prefixed by partition
             // ID, as if the entire NCCH image is encrypted using a single CTR stream.
-                std::copy(ncch_header.partition_id, ncch_header.partition_id + 8,
-                          exheader_ctr.begin());
+            std::copy(ncch_header.partition_id, ncch_header.partition_id + 8, exheader_ctr.begin());
             exefs_ctr = romfs_ctr = exheader_ctr;
             auto u32ToBEArray = [](u32 value) -> std::array<u8, 4> {
                 return std::array<u8, 4>{
@@ -160,8 +163,7 @@ bool NCCHContainer::Load() {
             auto offset_exheader = u32ToBEArray(0x200); // exheader offset
             auto offset_exefs = u32ToBEArray(ncch_header.exefs_offset * kBlockSize);
             auto offset_romfs = u32ToBEArray(ncch_header.romfs_offset * kBlockSize);
-                std::copy(offset_exheader.begin(), offset_exheader.end(),
-                          exheader_ctr.begin() + 12);
+            std::copy(offset_exheader.begin(), offset_exheader.end(), exheader_ctr.begin() + 12);
             std::copy(offset_exefs.begin(), offset_exefs.end(), exefs_ctr.begin() + 12);
             std::copy(offset_romfs.begin(), offset_romfs.end(), romfs_ctr.begin() + 12);
         } else {
@@ -175,8 +177,7 @@ bool NCCHContainer::Load() {
 
     // System archives and DLC don't have an extended header but have RomFS
     if (ncch_header.extended_header_size) {
-            if (file->ReadBytes(&exheader_header, sizeof(exheader_header)) !=
-                sizeof(exheader_header)) {
+        if (file->ReadBytes(&exheader_header, sizeof(exheader_header)) != sizeof(exheader_header)) {
             LOG_ERROR(Service_FS, "Could not read exheader from file");
             return false;
         }
@@ -210,8 +211,7 @@ bool NCCHContainer::Load() {
         u8 resource_limit_category =
             exheader_header.arm11_system_local_caps.resource_limit_category;
 
-            LOG_DEBUG(Service_FS, "Name:                        {}",
-                      exheader_header.codeset_info.name);
+        LOG_DEBUG(Service_FS, "Name:                        {}", exheader_header.codeset_info.name);
         LOG_DEBUG(Service_FS, "Program ID:                  {:016X}", ncch_header.program_id);
         LOG_DEBUG(Service_FS, "Entry point:                 0x{:08X}", entry_point);
         LOG_DEBUG(Service_FS, "Code size:                   0x{:08X}", code_size);
@@ -241,8 +241,8 @@ bool NCCHContainer::Load() {
 
         if (is_encrypted) {
             CryptoPP::byte* data = reinterpret_cast<CryptoPP::byte*>(&exefs_header);
-                CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption(primary_key.data(),
-                                                              primary_key.size(), exefs_ctr.data())
+            CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption(primary_key.data(), primary_key.size(),
+                                                          exefs_ctr.data())
                 .ProcessData(data, data, sizeof(exefs_header));
         }
 
@@ -252,7 +252,6 @@ bool NCCHContainer::Load() {
 
     if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0)
         has_romfs = true;
-    }
 
     is_loaded = true;
     return true;

src/core/importer.cpp

@@ -535,10 +535,29 @@ bool SDMCImporter::LoadTMD(const ContentSpecifier& specifier, TitleMetadata& out
     return LoadTMD(specifier.type, specifier.id, out);
 }
 
+std::shared_ptr<FileUtil::IOFile> SDMCImporter::OpenContent(const ContentSpecifier& specifier,
+                                                            u32 content_id) const {
+    if (IsNandTitle(specifier.type)) {
+        const auto path =
+            fmt::format("{}{:08x}/{:08x}/content/{:08x}.app", config.system_titles_path,
+                        (specifier.id >> 32), (specifier.id & 0xFFFFFFFF), content_id);
+        return std::make_shared<FileUtil::IOFile>(path, "rb");
+    } else {
+        // For DLCs, there one subfolder every 256 titles, but in practice hardcoded 00000000
+        // should be fine (also matches GodMode9 behaviour)
+        const auto format_str = specifier.type == ContentType::DLC
+                                    ? "/title/{:08x}/{:08x}/content/00000000/{:08x}.app"
+                                    : "/title/{:08x}/{:08x}/content/{:08x}.app";
+        const auto path =
+            fmt::format(format_str, (specifier.id >> 32), (specifier.id & 0xFFFFFFFF), content_id);
+        return std::make_shared<SDMCFile>(config.sdmc_path, path, "rb");
+    }
+}
+
 // English short title name, extdata id, icon
 using TitleData = std::tuple<std::string, u64, std::vector<u16>>;
 
-TitleData LoadTitleData(NCCHContainer& ncch) {
+static TitleData LoadTitleData(NCCHContainer& ncch) {
     std::string codeset_name;
     ncch.ReadCodesetName(codeset_name);
 
@@ -634,11 +653,7 @@ bool SDMCImporter::DumpCXI(const ContentSpecifier& specifier, std::string destin
         return false;
     }
 
-    const auto boot_content_path =
-        fmt::format("/title/{:08x}/{:08x}/content/{:08x}.app", specifier.id >> 32,
-                    (specifier.id & 0xFFFFFFFF), tmd.GetBootContentID());
-    dump_cxi_ncch = std::make_unique<NCCHContainer>(
-        std::make_shared<SDMCFile>(config.sdmc_path, boot_content_path, "rb"));
+    dump_cxi_ncch = std::make_unique<NCCHContainer>(OpenContent(specifier, tmd.GetBootContentID()));
 
     if (destination.back() == '/' || destination.back() == '\\') {
         auto_filename = true;
@@ -703,13 +718,6 @@ bool SDMCImporter::BuildCIA(CIABuildType build_type, const ContentSpecifier& spe
         return false;
     }
 
-    const bool is_nand = IsNandTitle(specifier.type);
-    const auto physical_path =
-        is_nand ? fmt::format("{}{:08x}/{:08x}/content/", config.system_titles_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF))
-                : fmt::format("{}title/{:08x}/{:08x}/content/", config.sdmc_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF));
-
     if (destination.back() == '/' || destination.back() == '\\') {
         auto_filename = true;
     }
@@ -722,15 +730,12 @@ bool SDMCImporter::BuildCIA(CIABuildType build_type, const ContentSpecifier& spe
         if (destination.back() != '/' && destination.back() != '\\') {
             destination.push_back('/');
         }
-        const auto boot_content_path =
-            fmt::format("{}{:08x}.app", physical_path, tmd.GetBootContentID());
-        NCCHContainer ncch;
-        if (is_nand) {
-            ncch.OpenFile(std::make_shared<FileUtil::IOFile>(boot_content_path, "rb"));
-        } else {
-            const auto relative_path = boot_content_path.substr(config.sdmc_path.size() - 1);
-            ncch.OpenFile(std::make_shared<SDMCFile>(config.sdmc_path, relative_path, "rb"));
+        auto file = OpenContent(specifier, tmd.GetBootContentID());
+        if (!file) {
+            LOG_ERROR(Core, "Could not open boot content");
+            return false;
         }
+        NCCHContainer ncch(std::move(file));
         const auto filename =
             fmt::format("{} (v{}).{}", GetTitleFileName(ncch), tmd.GetTitleVersionString(),
                         BuildTypeExts.at(static_cast<std::size_t>(build_type)));
@@ -749,28 +754,18 @@ bool SDMCImporter::BuildCIA(CIABuildType build_type, const ContentSpecifier& spe
     }
 
     for (const auto& tmd_chunk : tmd.tmd_chunks) {
-        // For DLCs, there one subfolder every 256 titles, but in practice hardcoded 00000000
-        // should be fine (also matches GodMode9)
-        const auto sub_folder =
-            specifier.type == ContentType::DLC ? physical_path + "00000000/" : physical_path;
-        const auto path = fmt::format("{}{:08x}.app", sub_folder, static_cast<u32>(tmd_chunk.id));
-        if (!FileUtil::Exists(path)) {
+        auto file = OpenContent(specifier, tmd_chunk.id);
+        if (!file) {
             if (static_cast<u16>(tmd_chunk.type) & 0x4000) { // optional
                 continue;
             }
-            LOG_ERROR(Core, "Content {:08x} does not exist", static_cast<u32>(tmd_chunk.id));
+            LOG_ERROR(Core, "Could not open content {:08x}", static_cast<u32>(tmd_chunk.id));
             ret = false;
             return false;
         }
 
-        if (is_nand) {
-            NCCHContainer ncch(std::make_shared<FileUtil::IOFile>(path, "rb"));
+        NCCHContainer ncch(std::move(file));
         ret = cia_builder->AddContent(tmd_chunk.id, ncch);
-        } else {
-            const auto relative_path = path.substr(config.sdmc_path.size() - 1);
-            NCCHContainer ncch(std::make_shared<SDMCFile>(config.sdmc_path, relative_path, "rb"));
-            ret = cia_builder->AddContent(tmd_chunk.id, ncch);
-        }
         if (!ret) {
             return false;
         }
@@ -821,35 +816,18 @@ bool SDMCImporter::CheckTitleContents(const ContentSpecifier& specifier,
 
     Common::ProgressCallbackWrapper wrapper{specifier.maximum_size};
 
-    const bool is_nand = IsNandTitle(specifier.type);
-    const auto physical_path =
-        is_nand ? fmt::format("{}{:08x}/{:08x}/content/", config.system_titles_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF))
-                : fmt::format("{}title/{:08x}/{:08x}/content/", config.sdmc_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF));
     for (const auto& tmd_chunk : tmd.tmd_chunks) {
-        // For DLCs, there one subfolder every 256 titles, but in practice hardcoded 00000000
-        // should be fine (also matches GodMode9)
-        const auto sub_folder =
-            specifier.type == ContentType::DLC ? physical_path + "00000000/" : physical_path;
-        const auto path = fmt::format("{}{:08x}.app", sub_folder, static_cast<u32>(tmd_chunk.id));
-        if (!FileUtil::Exists(path)) {
+        auto file = OpenContent(specifier, tmd_chunk.id);
+        if (!file) {
             if (static_cast<u16>(tmd_chunk.type) & 0x4000) { // optional
                 continue;
             }
-            LOG_INFO(Core, "Content {:08x} does not exist", static_cast<u32>(tmd_chunk.id));
+            LOG_INFO(Core, "Could not open content {:08x}", static_cast<u32>(tmd_chunk.id));
             return false;
         }
 
-        std::shared_ptr<FileUtil::IOFile> source_file;
-        if (is_nand) {
-            source_file = std::make_shared<FileUtil::IOFile>(path, "rb");
-        } else {
-            const auto relative_path = path.substr(config.sdmc_path.size() - 1);
-            source_file = std::make_shared<SDMCFile>(config.sdmc_path, relative_path, "rb");
-        }
         std::shared_ptr<HashOnlyFile> dest_file = std::make_shared<HashOnlyFile>();
-        if (!file_decryptor.CryptAndWriteFile(source_file, source_file->GetSize(), dest_file,
+        if (!file_decryptor.CryptAndWriteFile(file, file->GetSize(), dest_file,
                                               wrapper.Wrap(callback))) {
             return false;
         }

src/core/importer.h

@@ -176,8 +176,8 @@ public:
     bool LoadTMD(const ContentSpecifier& specifier, TitleMetadata& out) const;
 
     std::string GetTitleContentsPath(const ContentSpecifier& specifier) const;
-    std::shared_ptr<FileUtil::IOFile> OpenBootContent(const ContentSpecifier& specifier,
-                                                      const TitleMetadata& tmd) const;
+    std::shared_ptr<FileUtil::IOFile> OpenContent(const ContentSpecifier& specifier,
+                                                  u32 content_id) const;
 
     std::shared_ptr<TicketDB>& GetTicketDB() {
         return ticket_db;

src/frontend/import_dialog.cpp

@@ -490,7 +490,7 @@ void ImportDialog::OnContextMenu(const QPoint& point) {
                     [this, specifier] { StartBuildingCIASingle(specifier); });
             QAction* show_title_info = context_menu.addAction(tr("Show Title Info"));
             connect(show_title_info, &QAction::triggered, [this, specifier] {
-                TitleInfoDialog dialog(this, config, *importer, specifier);
+                TitleInfoDialog dialog(this, *importer, specifier);
                 dialog.exec();
             });
         }

src/frontend/title_info_dialog.cpp

@@ -15,8 +15,8 @@
 #include "frontend/title_info_dialog.h"
 #include "ui_title_info_dialog.h"
 
-TitleInfoDialog::TitleInfoDialog(QWidget* parent, const Core::Config& config,
-                                 Core::SDMCImporter& importer_, Core::ContentSpecifier specifier_)
+TitleInfoDialog::TitleInfoDialog(QWidget* parent, Core::SDMCImporter& importer_,
+                                 Core::ContentSpecifier specifier_)
     : QDialog(parent), ui(std::make_unique<Ui::TitleInfoDialog>()), importer(importer_),
       specifier(std::move(specifier_)) {
 
@@ -25,39 +25,62 @@ TitleInfoDialog::TitleInfoDialog(QWidget* parent, const Core::Config& config,
     const double scale = qApp->desktop()->logicalDpiX() / 96.0;
     resize(static_cast<int>(width() * scale), static_cast<int>(height() * scale));
 
-    LoadInfo(config);
+    LoadInfo();
 
     connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &TitleInfoDialog::accept);
 }
 
 TitleInfoDialog::~TitleInfoDialog() = default;
 
-void TitleInfoDialog::LoadInfo(const Core::Config& config) {
+void TitleInfoDialog::LoadInfo() {
+    // Load TMD & boot NCCH
     Core::TitleMetadata tmd;
-    if (!importer.LoadTMD(specifier, tmd)) {
+    Core::NCCHContainer ncch;
+    if (!importer.LoadTMD(specifier, tmd) ||
+        !ncch.OpenFile(importer.OpenContent(specifier, tmd.GetBootContentID()))) {
+
         QMessageBox::warning(this, tr("threeSD"), tr("Could not load title information."));
         reject();
         return;
     }
-    ui->versionLineEdit->setText(QString::fromStdString(tmd.GetTitleVersionString()));
-    ui->titleIDLineEdit->setText(QStringLiteral("%1").arg(specifier.id, 16, 16, QLatin1Char{'0'}));
 
-    const bool is_nand = Core::IsNandTitle(specifier.type);
-    const auto physical_path =
-        is_nand ? fmt::format("{}{:08x}/{:08x}/content/", config.system_titles_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF))
-                : fmt::format("{}title/{:08x}/{:08x}/content/", config.sdmc_path,
-                              (specifier.id >> 32), (specifier.id & 0xFFFFFFFF));
-    const auto boot_content_path =
-        fmt::format("{}{:08x}.app", physical_path, tmd.GetBootContentID());
-    Core::NCCHContainer ncch;
-    if (is_nand) {
-        ncch.OpenFile(std::make_shared<FileUtil::IOFile>(boot_content_path, "rb"));
-    } else {
-        const auto relative_path = boot_content_path.substr(config.sdmc_path.size() - 1);
-        ncch.OpenFile(std::make_shared<Core::SDMCFile>(config.sdmc_path, relative_path, "rb"));
+    // Load SMDH from boot NCCH
+    bool has_smdh = false;
+    std::vector<u8> smdh_buffer;
+    if (ncch.LoadSectionExeFS("icon", smdh_buffer) && smdh_buffer.size() == sizeof(Core::SMDH) &&
+        Core::IsValidSMDH(smdh_buffer)) {
+
+        has_smdh = true;
+        std::memcpy(&smdh, smdh_buffer.data(), smdh_buffer.size());
     }
 
+    // Basic info
+    ui->versionLineEdit->setText(QString::fromStdString(tmd.GetTitleVersionString()));
+    LoadEncryption(ncch);
+    ui->titleIDLineEdit->setText(QStringLiteral("%1").arg(specifier.id, 16, 16, QLatin1Char{'0'}));
+
+    // Icons
+    if (has_smdh) {
+        ui->iconLargeLabel->setPixmap(
+            QPixmap::fromImage(QImage(reinterpret_cast<const uchar*>(smdh.GetIcon(true).data()), 48,
+                                      48, QImage::Format::Format_RGB16)));
+        ui->iconSmallLabel->setPixmap(
+            QPixmap::fromImage(QImage(reinterpret_cast<const uchar*>(smdh.GetIcon(false).data()),
+                                      24, 24, QImage::Format::Format_RGB16)));
+    }
+
+    // Names
+    if (has_smdh) {
+        InitializeLanguageComboBox();
+    } else {
+        ui->namesGroupBox->setVisible(false);
+    }
+
+    // Checks
+    InitializeChecks(tmd);
+}
+
+void TitleInfoDialog::LoadEncryption(Core::NCCHContainer& ncch) {
     static const std::unordered_map<Core::EncryptionType, const char*> EncryptionTypeMap{{
         {Core::EncryptionType::None, QT_TR_NOOP("None")},
         {Core::EncryptionType::FixedKey, QT_TR_NOOP("FixedKey")},
@@ -78,50 +101,6 @@ void TitleInfoDialog::LoadInfo(const Core::Config& config) {
         encryption_text.append(tr(" (Seed)"));
     }
     ui->encryptionLineEdit->setText(encryption_text);
-
-    // Checks
-    const bool tmd_legit = tmd.ValidateSignature() && tmd.VerifyHashes();
-    if (tmd_legit) {
-        ui->tmdCheckLabel->setText(tr("Legit"));
-    } else {
-        ui->tmdCheckLabel->setText(tr("Illegit"));
-    }
-
-    if (const auto& ticket_db = importer.GetTicketDB();
-        ticket_db && ticket_db->tickets.count(specifier.id)) {
-
-        const bool ticket_legit = ticket_db->tickets.at(specifier.id).ValidateSignature();
-        if (ticket_legit) {
-            ui->ticketCheckLabel->setText(tr("Legit"));
-        } else {
-            ui->ticketCheckLabel->setText(tr("Illegit"));
-        }
-    } else {
-        ui->ticketCheckLabel->setText(tr("Missing"));
-    }
-    connect(ui->contentsCheckButton, &QPushButton::clicked, this,
-            &TitleInfoDialog::ExecuteContentsCheck);
-
-    // Load SMDH
-    std::vector<u8> smdh_buffer;
-    if (!ncch.LoadSectionExeFS("icon", smdh_buffer) || smdh_buffer.size() != sizeof(Core::SMDH) ||
-        !Core::IsValidSMDH(smdh_buffer)) {
-
-        LOG_WARNING(Core, "Failed to load SMDH");
-        ui->namesGroupBox->setEnabled(false);
-        return;
-    }
-
-    std::memcpy(&smdh, smdh_buffer.data(), smdh_buffer.size());
-    // Load icon
-    ui->iconLargeLabel->setPixmap(
-        QPixmap::fromImage(QImage(reinterpret_cast<const uchar*>(smdh.GetIcon(true).data()), 48, 48,
-                                  QImage::Format::Format_RGB16)));
-    ui->iconSmallLabel->setPixmap(
-        QPixmap::fromImage(QImage(reinterpret_cast<const uchar*>(smdh.GetIcon(false).data()), 24,
-                                  24, QImage::Format::Format_RGB16)));
-    // Load names
-    InitializeLanguageComboBox();
 }
 
 void TitleInfoDialog::InitializeLanguageComboBox() {
@@ -172,6 +151,30 @@ void TitleInfoDialog::UpdateNames() {
         QString::fromStdString(Common::UTF16BufferToUTF8(title.publisher)));
 }
 
+void TitleInfoDialog::InitializeChecks(Core::TitleMetadata& tmd) {
+    const bool tmd_legit = tmd.ValidateSignature() && tmd.VerifyHashes();
+    if (tmd_legit) {
+        ui->tmdCheckLabel->setText(tr("Legit"));
+    } else {
+        ui->tmdCheckLabel->setText(tr("Illegit"));
+    }
+
+    if (const auto& ticket_db = importer.GetTicketDB();
+        ticket_db && ticket_db->tickets.count(specifier.id)) {
+
+        const bool ticket_legit = ticket_db->tickets.at(specifier.id).ValidateSignature();
+        if (ticket_legit) {
+            ui->ticketCheckLabel->setText(tr("Legit"));
+        } else {
+            ui->ticketCheckLabel->setText(tr("Illegit"));
+        }
+    } else {
+        ui->ticketCheckLabel->setText(tr("Missing"));
+    }
+    connect(ui->contentsCheckButton, &QPushButton::clicked, this,
+            &TitleInfoDialog::ExecuteContentsCheck);
+}
+
 void TitleInfoDialog::ExecuteContentsCheck() {
     auto* job = new SimpleJob(
         this,

src/frontend/title_info_dialog.h

@@ -9,6 +9,7 @@
 namespace Core {
 struct Config;
 class ContentSpecifier;
+class NCCHContainer;
 class SDMCImporter;
 class TitleMetadata;
 } // namespace Core
@@ -21,13 +22,17 @@ class TitleInfoDialog : public QDialog {
     Q_OBJECT
 
 public:
-    explicit TitleInfoDialog(QWidget* parent, const Core::Config& config,
-                             Core::SDMCImporter& importer, Core::ContentSpecifier specifier);
+    explicit TitleInfoDialog(QWidget* parent, Core::SDMCImporter& importer,
+                             Core::ContentSpecifier specifier);
     ~TitleInfoDialog();
 
 private:
-    void LoadInfo(const Core::Config& config);
+    void LoadInfo();
+
+    void LoadEncryption(Core::NCCHContainer& ncch);
     void InitializeLanguageComboBox();
+    void InitializeChecks(Core::TitleMetadata& tmd);
+
     void UpdateNames();
     void ExecuteContentsCheck();