Merge pull request #1436 from lioncash/view

submission_package: Cleanup and bug fixes

src/core/file_sys/submission_package.cpp

@@ -18,6 +18,39 @@
 #include "core/loader/loader.h"
 
 namespace FileSys {
+namespace {
+void SetTicketKeys(const std::vector<VirtualFile>& files) {
+    Core::Crypto::KeyManager keys;
+
+    for (const auto& ticket_file : files) {
+        if (ticket_file == nullptr) {
+            continue;
+        }
+
+        if (ticket_file->GetExtension() != "tik") {
+            continue;
+        }
+
+        if (ticket_file->GetSize() <
+            Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
+            continue;
+        }
+
+        Core::Crypto::Key128 key{};
+        ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
+
+        // We get the name without the extension in order to create the rights ID.
+        std::string name_only(ticket_file->GetName());
+        name_only.erase(name_only.size() - 4);
+
+        const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
+        u128 rights_id;
+        std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
+        keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
+    }
+}
+} // Anonymous namespace
+
 NSP::NSP(VirtualFile file_)
     : file(std::move(file_)), status{Loader::ResultStatus::Success},
       pfs(std::make_shared<PartitionFilesystem>(file)) {
@@ -26,83 +59,16 @@ NSP::NSP(VirtualFile file_)
         return;
     }
 
+    const auto files = pfs->GetFiles();
+
     if (IsDirectoryExeFS(pfs)) {
         extracted = true;
-        exefs = pfs;
-
-        const auto& files = pfs->GetFiles();
-        const auto romfs_iter =
-            std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
-                return file->GetName().find(".romfs") != std::string::npos;
-            });
-        if (romfs_iter != files.end())
-            romfs = *romfs_iter;
+        InitializeExeFSAndRomFS(files);
         return;
     }
 
-    extracted = false;
-    const auto files = pfs->GetFiles();
-
-    Core::Crypto::KeyManager keys;
-    for (const auto& ticket_file : files) {
-        if (ticket_file->GetExtension() == "tik") {
-            if (ticket_file == nullptr ||
-                ticket_file->GetSize() <
-                    Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
-                continue;
-            }
-
-            Core::Crypto::Key128 key{};
-            ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
-            std::string_view name_only(ticket_file->GetName());
-            name_only.remove_suffix(4);
-            const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
-            u128 rights_id;
-            std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
-            keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
-        }
-    }
-
-    for (const auto& outer_file : files) {
-        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
-            const auto nca = std::make_shared<NCA>(outer_file);
-            if (nca->GetStatus() != Loader::ResultStatus::Success) {
-                program_status[nca->GetTitleId()] = nca->GetStatus();
-                continue;
-            }
-
-            const auto section0 = nca->GetSubdirectories()[0];
-
-            for (const auto& inner_file : section0->GetFiles()) {
-                if (inner_file->GetExtension() != "cnmt")
-                    continue;
-
-                const CNMT cnmt(inner_file);
-                auto& ncas_title = ncas[cnmt.GetTitleID()];
-
-                ncas_title[ContentRecordType::Meta] = nca;
-                for (const auto& rec : cnmt.GetContentRecords()) {
-                    const auto id_string = Common::HexArrayToString(rec.nca_id, false);
-                    const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
-                    if (next_file == nullptr) {
-                        LOG_WARNING(Service_FS,
-                                    "NCA with ID {}.nca is listed in content metadata, but cannot "
-                                    "be found in PFS. NSP appears to be corrupted.",
-                                    id_string);
-                        continue;
-                    }
-
-                    auto next_nca = std::make_shared<NCA>(next_file);
-                    if (next_nca->GetType() == NCAContentType::Program)
-                        program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
-                    if (next_nca->GetStatus() == Loader::ResultStatus::Success)
-                        ncas_title[rec.type] = std::move(next_nca);
-                }
-
-                break;
-            }
-        }
-    }
+    SetTicketKeys(files);
+    ReadNCAs(files);
 }
 
 NSP::~NSP() = default;
@@ -242,4 +208,63 @@ VirtualDir NSP::GetParentDirectory() const {
 bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
     return false;
 }
+
+void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {
+    exefs = pfs;
+
+    const auto romfs_iter = std::find_if(files.begin(), files.end(), [](const VirtualFile& file) {
+        return file->GetName().rfind(".romfs") != std::string::npos;
+    });
+
+    if (romfs_iter == files.end()) {
+        return;
+    }
+
+    romfs = *romfs_iter;
+}
+
+void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
+    for (const auto& outer_file : files) {
+        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
+            continue;
+        }
+
+        const auto nca = std::make_shared<NCA>(outer_file);
+        if (nca->GetStatus() != Loader::ResultStatus::Success) {
+            program_status[nca->GetTitleId()] = nca->GetStatus();
+            continue;
+        }
+
+        const auto section0 = nca->GetSubdirectories()[0];
+
+        for (const auto& inner_file : section0->GetFiles()) {
+            if (inner_file->GetExtension() != "cnmt")
+                continue;
+
+            const CNMT cnmt(inner_file);
+            auto& ncas_title = ncas[cnmt.GetTitleID()];
+
+            ncas_title[ContentRecordType::Meta] = nca;
+            for (const auto& rec : cnmt.GetContentRecords()) {
+                const auto id_string = Common::HexArrayToString(rec.nca_id, false);
+                const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
+                if (next_file == nullptr) {
+                    LOG_WARNING(Service_FS,
+                                "NCA with ID {}.nca is listed in content metadata, but cannot "
+                                "be found in PFS. NSP appears to be corrupted.",
+                                id_string);
+                    continue;
+                }
+
+                auto next_nca = std::make_shared<NCA>(next_file);
+                if (next_nca->GetType() == NCAContentType::Program)
+                    program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
+                if (next_nca->GetStatus() == Loader::ResultStatus::Success)
+                    ncas_title[rec.type] = std::move(next_nca);
+            }
+
+            break;
+        }
+    }
+}
 } // namespace FileSys

src/core/file_sys/submission_package.h

@@ -59,9 +59,12 @@ protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
 
 private:
+    void InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files);
+    void ReadNCAs(const std::vector<VirtualFile>& files);
+
     VirtualFile file;
 
-    bool extracted;
+    bool extracted = false;
     Loader::ResultStatus status;
     std::map<u64, Loader::ResultStatus> program_status;