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Atmosphere/libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp
Michael Scire a7c14e03b9 ams: std::optional -> util::optional
2021-07-08 02:37:26 -07:00

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/*
* Copyright (c) 2019-2020 Adubbz, Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
namespace ams::ncm {
namespace {
bool Contains(const StorageContentMetaKey *keys, s32 num_keys, const ContentMetaKey &key, StorageId storage_id) {
for (s32 i = 0; i < num_keys; i++) {
const StorageContentMetaKey &storage_key = keys[i];
/* Check if the key matches the input key and storage id. */
if (storage_key.key == key && storage_key.storage_id == storage_id) {
return true;
}
}
return false;
}
bool Contains(const ContentMetaKey *keys, s32 num_keys, const ContentMetaKey &key) {
for (s32 i = 0; i < num_keys; i++) {
/* Check if the key matches the input key. */
if (keys[i] == key) {
return true;
}
}
return false;
}
bool IsExpectedKey(const ContentMetaKey &expected_key, const ContentMetaKey &actual_key) {
return expected_key.id == actual_key.id &&
expected_key.version == actual_key.version &&
expected_key.type == actual_key.type;
}
}
void InstallTaskBase::Cancel() {
std::scoped_lock lk(this->cancel_mutex);
this->cancel_requested = true;
}
void InstallTaskBase::ResetCancel() {
std::scoped_lock lk(this->cancel_mutex);
this->cancel_requested = false;
}
bool InstallTaskBase::IsCancelRequested() {
std::scoped_lock lk(this->cancel_mutex);
return this->cancel_requested;
}
Result InstallTaskBase::Initialize(StorageId install_storage, InstallTaskDataBase *data, u32 config) {
R_UNLESS(IsInstallableStorage(install_storage), ncm::ResultUnknownStorage());
this->install_storage = install_storage;
this->data = data;
this->config = config;
return data->GetProgress(std::addressof(this->progress));
}
Result InstallTaskBase::Prepare() {
R_TRY(this->SetLastResultOnFailure(this->PrepareImpl()));
return ResultSuccess();
}
Result InstallTaskBase::GetPreparedPlaceHolderPath(Path *out_path, u64 id, ContentMetaType meta_type, ContentType type) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->CountInstallContentMetaData(std::addressof(count)));
/* Iterate over content meta. */
util::optional<PlaceHolderId> placeholder_id;
util::optional<StorageId> storage_id;
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->GetInstallContentMetaData(std::addressof(content_meta), i));
const InstallContentMetaReader reader = content_meta.GetReader();
/* Ensure content meta matches the key and meta type. */
const auto key = reader.GetKey();
if (key.id != id || key.type != meta_type) {
continue;
}
/* Attempt to find a content info for the type. */
for (size_t j = 0; j < reader.GetContentCount(); j++) {
const auto content_info = reader.GetContentInfo(j);
if (content_info->GetType() == type) {
placeholder_id = content_info->GetPlaceHolderId();
storage_id = content_info->GetStorageId();
break;
}
}
}
R_UNLESS(placeholder_id, ncm::ResultPlaceHolderNotFound());
R_UNLESS(storage_id, ncm::ResultPlaceHolderNotFound());
/* Open the relevant content storage. */
ContentStorage storage;
R_TRY(OpenContentStorage(std::addressof(storage), *storage_id));
/* Get the path. */
storage.GetPlaceHolderPath(out_path, *placeholder_id);
return ResultSuccess();
}
Result InstallTaskBase::CalculateRequiredSize(s64 *out_size) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
s64 required_size = 0;
/* Iterate over each entry. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
const auto reader = content_meta.GetReader();
/* Sum the sizes from the content infos. */
for (size_t j = 0; j < reader.GetContentCount(); j++) {
const auto *content_info = reader.GetContentInfo(j);
if (content_info->install_state == InstallState::NotPrepared) {
required_size += ncm::CalculateRequiredSize(content_info->GetSize());
}
}
}
*out_size = required_size;
return ResultSuccess();
}
Result InstallTaskBase::PrepareImpl() {
/* Reset the throughput. */
this->ResetThroughputMeasurement();
/* Transition from NotPrepared to DataPrepared. */
if (this->GetProgress().state == InstallProgressState::NotPrepared) {
R_TRY(this->PrepareInstallContentMetaData());
R_TRY(this->PrepareDependency());
R_TRY(this->CheckInstallable());
this->SetProgressState(InstallProgressState::DataPrepared);
}
/* Transition from DataPrepared to Prepared. */
if (this->GetProgress().state == InstallProgressState::DataPrepared) {
R_TRY(this->PreparePlaceHolder());
this->SetProgressState(InstallProgressState::Prepared);
}
/* Signal prepare is completed. */
return this->OnPrepareComplete();
}
Result InstallTaskBase::Cleanup() {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Get the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Cleanup the content meta. */
/* N doesn't check the result of this. */
this->CleanupOne(content_meta);
}
/* Cleanup the data and progress. */
R_TRY(this->data->Cleanup());
this->CleanupProgress();
return ResultSuccess();
}
Result InstallTaskBase::CleanupOne(const InstallContentMeta &content_meta) {
/* Obtain a reader and get the storage id. */
const auto reader = content_meta.GetReader();
const auto storage_id = reader.GetStorageId();
R_SUCCEED_IF(storage_id== StorageId::None);
/* Open the relevant content storage. */
ContentStorage content_storage;
R_TRY(ncm::OpenContentStorage(&content_storage, storage_id));
/* Iterate over content infos. */
for (size_t i = 0; i < reader.GetContentCount(); i++) {
auto *content_info = reader.GetContentInfo(i);
/* Delete placeholders for Prepared or Installed content infos. */
if (content_info->install_state == InstallState::Prepared || content_info->install_state == InstallState::Installed) {
content_storage.DeletePlaceHolder(content_info->placeholder_id);
}
}
return ResultSuccess();
}
Result InstallTaskBase::ListContentMetaKey(s32 *out_keys_written, StorageContentMetaKey *out_keys, s32 out_keys_count, s32 offset, ListContentMetaKeyFilter filter) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Offset exceeds keys that can be written. */
if (count <= offset) {
*out_keys_written = 0;
return ResultSuccess();
}
if (filter == ListContentMetaKeyFilter::All) {
const s32 num_keys = std::min(count, offset + out_keys_count);
/* Iterate over content meta. */
for (s32 i = offset; i < num_keys; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Write output StorageContentMetaKey. */
const auto reader = content_meta.GetReader();
out_keys[i - offset] = { reader.GetKey(), reader.GetStorageId() };
}
/* Output the number of keys written. */
*out_keys_written = num_keys - offset;
} else {
s32 keys_written = 0;
s32 cur_offset = 0;
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader and check if the content has been committed. */
const auto reader = content_meta.GetReader();
const bool committed = reader.GetHeader()->committed;
/* Apply filter. */
if ((filter == ListContentMetaKeyFilter::Committed && committed) || (filter == ListContentMetaKeyFilter::NotCommitted && !committed)) {
/* Write output StorageContentMetaKey if at a suitable offset. */
if (cur_offset >= offset) {
out_keys[keys_written++] = { reader.GetKey(), reader.GetStorageId() };
}
/* Increment the current offset. */
cur_offset++;
/* We can't write any more output keys. */
if (keys_written >= out_keys_count) {
break;
}
}
}
/* Output the number of keys written. */
*out_keys_written = keys_written;
}
return ResultSuccess();
}
Result InstallTaskBase::ListApplicationContentMetaKey(s32 *out_keys_written, ApplicationContentMetaKey *out_keys, s32 out_keys_count, s32 offset) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Offset exceeds keys that can be written. */
if (count <= offset) {
*out_keys_written = 0;
return ResultSuccess();
}
/* Iterate over content meta. */
const s32 max = std::min(count, offset + out_keys_count);
s32 keys_written = 0;
for (s32 i = offset; i < max; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const auto reader = content_meta.GetReader();
/* Ensure this key has an application id. */
const auto app_id = reader.GetApplicationId();
if (!app_id) {
continue;
}
/* Write output ApplicationContentMetaKey. */
out_keys[keys_written++] = { reader.GetKey(), *app_id };
}
*out_keys_written = keys_written;
return ResultSuccess();
}
Result InstallTaskBase::Execute() {
R_TRY(this->SetLastResultOnFailure(this->ExecuteImpl()));
return ResultSuccess();
}
Result InstallTaskBase::ExecuteImpl() {
this->StartThroughputMeasurement();
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Update the data (and check result) when we are done. */
const auto DoUpdate = [&]() ALWAYS_INLINE_LAMBDA { return this->data->Update(content_meta, i); };
{
auto update_guard = SCOPE_GUARD { DoUpdate(); };
/* Create a writer. */
const auto writer = content_meta.GetWriter();
/* Iterate over content infos. */
for (size_t j = 0; j < writer.GetContentCount(); j++) {
auto *content_info = writer.GetWritableContentInfo(j);
/* Write prepared content infos. */
if (content_info->install_state == InstallState::Prepared) {
R_TRY(this->WritePlaceHolder(writer.GetKey(), content_info));
content_info->install_state = InstallState::Installed;
}
}
/* Cancel so we can check the result of updating. */
update_guard.Cancel();
}
R_TRY(DoUpdate());
}
/* Execution has finished, signal this and update the state. */
R_TRY(this->OnExecuteComplete());
this->SetProgressState(InstallProgressState::Downloaded);
return ResultSuccess();
}
Result InstallTaskBase::PrepareAndExecute() {
R_TRY(this->SetLastResultOnFailure(this->PrepareImpl()));
R_TRY(this->SetLastResultOnFailure(this->ExecuteImpl()));
return ResultSuccess();
}
Result InstallTaskBase::VerifyAllNotCommitted(const StorageContentMetaKey *keys, s32 num_keys) {
/* No keys to check. */
R_SUCCEED_IF(keys == nullptr);
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
s32 num_not_committed = 0;
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const auto reader = content_meta.GetReader();
if (Contains(keys, num_keys, reader.GetKey(), reader.GetStorageId())) {
/* Ensure content meta isn't committed. */
R_UNLESS(!reader.GetHeader()->committed, ncm::ResultListPartiallyNotCommitted());
num_not_committed++;
}
}
/* Ensure number of uncommitted keys equals the number of input keys. */
R_UNLESS(num_not_committed == num_keys, ncm::ResultListPartiallyNotCommitted());
return ResultSuccess();
}
Result InstallTaskBase::CommitImpl(const StorageContentMetaKey *keys, s32 num_keys) {
/* Ensure progress state is Downloaded. */
R_UNLESS(this->GetProgress().state == InstallProgressState::Downloaded, ncm::ResultInvalidInstallTaskState());
/* Ensure keys aren't committed. */
R_TRY(this->VerifyAllNotCommitted(keys, num_keys));
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* List of storages to commit. */
StorageList commit_list;
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const auto reader = content_meta.GetReader();
const auto cur_key = reader.GetKey();
const auto storage_id = reader.GetStorageId();
const size_t convert_size = reader.CalculateConvertSize();
/* Skip content meta not contained in input keys. */
if (keys != nullptr && !Contains(keys, num_keys, cur_key, storage_id)) {
continue;
}
/* Skip already committed. This check is primarily for if keys is nullptr. */
if (reader.GetHeader()->committed) {
continue;
}
/* Helper for performing an update. */
const auto DoUpdate = [&]() ALWAYS_INLINE_LAMBDA { return this->data->Update(content_meta, i); };
/* Commit the current meta. */
{
/* Ensure that if something goes wrong during commit, we still try to update. */
auto update_guard = SCOPE_GUARD { DoUpdate(); };
/* Open a writer. */
const auto writer = content_meta.GetWriter();
/* Convert to content meta and store to a buffer. */
std::unique_ptr<char[]> content_meta_buffer(new (std::nothrow) char[convert_size]);
R_UNLESS(content_meta_buffer != nullptr, ncm::ResultAllocationFailed());
reader.ConvertToContentMeta(content_meta_buffer.get(), convert_size);
/* Open the content storage for this meta. */
ContentStorage content_storage;
R_TRY(OpenContentStorage(&content_storage, storage_id));
/* Open the content meta database for this meta. */
ContentMetaDatabase meta_db;
R_TRY(OpenContentMetaDatabase(std::addressof(meta_db), storage_id));
/* Iterate over content infos. */
for (size_t j = 0; j < reader.GetContentCount(); j++) {
const auto *content_info = reader.GetContentInfo(j);
/* Register non-existing content infos. */
if (content_info->install_state != InstallState::AlreadyExists) {
R_TRY(content_storage.Register(content_info->placeholder_id, content_info->info.content_id));
}
}
/* Store the content meta. */
R_TRY(meta_db.Set(reader.GetKey(), content_meta_buffer.get(), convert_size));
/* Mark as committed. */
writer.GetWritableHeader()->committed = true;
/* Mark storage id to be committed later. */
commit_list.Push(reader.GetStorageId());
/* We successfully commited this meta, so we want to check for errors when updating. */
update_guard.Cancel();
}
/* Try to update, checking for failure. */
R_TRY(DoUpdate());
}
/* Commit all applicable content meta databases. */
for (s32 i = 0; i < commit_list.Count(); i++) {
ContentMetaDatabase meta_db;
R_TRY(OpenContentMetaDatabase(std::addressof(meta_db), commit_list[i]));
R_TRY(meta_db.Commit());
}
/* Change progress state to committed if keys are nullptr. */
if (keys == nullptr) {
this->SetProgressState(InstallProgressState::Committed);
}
return ResultSuccess();
}
Result InstallTaskBase::Commit(const StorageContentMetaKey *keys, s32 num_keys) {
auto fatal_guard = SCOPE_GUARD { SetProgressState(InstallProgressState::Fatal); };
R_TRY(this->SetLastResultOnFailure(this->CommitImpl(keys, num_keys)));
fatal_guard.Cancel();
return ResultSuccess();
}
Result InstallTaskBase::IncludesExFatDriver(bool *out) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Check if the attributes are set for including the exfat driver. */
if (content_meta.GetReader().GetHeader()->attributes & ContentMetaAttribute_IncludesExFatDriver) {
*out = true;
return ResultSuccess();
}
}
*out = false;
return ResultSuccess();
}
Result InstallTaskBase::WritePlaceHolderBuffer(InstallContentInfo *content_info, const void *data, size_t data_size) {
R_UNLESS(!this->IsCancelRequested(), ncm::ResultWritePlaceHolderCancelled());
/* Open the content storage for the content info. */
ContentStorage content_storage;
R_TRY(OpenContentStorage(&content_storage, content_info->storage_id));
/* Write data to the placeholder. */
R_TRY(content_storage.WritePlaceHolder(content_info->placeholder_id, content_info->written, data, data_size));
content_info->written += data_size;
/* Update progress/throughput if content info isn't temporary. */
if (!content_info->is_temporary) {
this->IncrementProgress(data_size);
this->UpdateThroughputMeasurement(data_size);
}
/* Update the hash for the new data. */
this->sha256_generator.Update(data, data_size);
return ResultSuccess();
}
Result InstallTaskBase::WritePlaceHolder(const ContentMetaKey &key, InstallContentInfo *content_info) {
if (content_info->is_sha256_calculated) {
/* Update the hash with the buffered data. */
this->sha256_generator.InitializeWithContext(std::addressof(content_info->context));
this->sha256_generator.Update(content_info->buffered_data, content_info->buffered_data_size);
} else {
/* Initialize the generator. */
this->sha256_generator.Initialize();
}
{
ON_SCOPE_EXIT {
/* Update this content info's sha256 data. */
this->sha256_generator.GetContext(std::addressof(content_info->context));
content_info->buffered_data_size = this->sha256_generator.GetBufferedDataSize();
this->sha256_generator.GetBufferedData(content_info->buffered_data, this->sha256_generator.GetBufferedDataSize());
content_info->is_sha256_calculated = true;
};
/* Perform the placeholder write. */
R_TRY(this->OnWritePlaceHolder(key, content_info));
}
/* Compare generated hash to expected hash if verification required. */
if (content_info->verify_digest) {
u8 hash[crypto::Sha256Generator::HashSize];
this->sha256_generator.GetHash(hash, crypto::Sha256Generator::HashSize);
R_UNLESS(std::memcmp(hash, content_info->digest.data, crypto::Sha256Generator::HashSize) == 0, ncm::ResultInvalidContentHash());
}
if (hos::GetVersion() >= hos::Version_2_0_0 && !(this->config & InstallConfig_IgnoreTicket)) {
ncm::RightsId rights_id;
{
/* Open the content storage and obtain the rights id. */
ncm::ContentStorage storage;
R_TRY(OpenContentStorage(std::addressof(storage), content_info->storage_id));
R_TRY(storage.GetRightsId(std::addressof(rights_id), content_info->placeholder_id));
}
/* Install a ticket if necessary. */
if (this->IsNecessaryInstallTicket(rights_id.id)) {
R_TRY_CATCH(this->InstallTicket(rights_id.id, content_info->meta_type)) {
R_CATCH(ncm::ResultIgnorableInstallTicketFailure) { /* We can ignore the installation failure. */ }
} R_END_TRY_CATCH;
}
}
return ResultSuccess();
}
bool InstallTaskBase::IsNecessaryInstallTicket(const fs::RightsId &rights_id) {
/* If the title has no rights, there's no ticket to install. */
fs::RightsId empty_rights_id = {};
if (std::memcmp(std::addressof(rights_id), std::addressof(empty_rights_id), sizeof(fs::RightsId)) == 0) {
return false;
}
/* TODO: Support detecting if a title requires rights. */
/* TODO: How should es be handled without undesired effects? */
return false;
}
Result InstallTaskBase::PreparePlaceHolder() {
size_t total_size = 0;
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
for (s32 i = 0; i < count; i++) {
R_UNLESS(!this->IsCancelRequested(), ncm::ResultCreatePlaceHolderCancelled());
static os::Mutex s_placeholder_mutex(false);
std::scoped_lock lk(s_placeholder_mutex);
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Update the data (and check result) when we are done. */
const auto DoUpdate = [&]() ALWAYS_INLINE_LAMBDA { return this->data->Update(content_meta, i); };
{
auto update_guard = SCOPE_GUARD { DoUpdate(); };
/* Automatically choose a suitable storage id. */
auto reader = content_meta.GetReader();
StorageId storage_id;
if (reader.GetStorageId() != StorageId::None) {
storage_id = reader.GetStorageId();
} else {
StorageId install_storage = this->GetInstallStorage();
R_TRY(ncm::SelectDownloadableStorage(std::addressof(storage_id), install_storage, reader.CalculateContentRequiredSize()));
}
/* Open the relevant content storage. */
ContentStorage content_storage;
R_TRY(ncm::OpenContentStorage(&content_storage, storage_id));
/* Update the storage id in the header. */
auto writer = content_meta.GetWriter();
writer.SetStorageId(storage_id);
for (size_t j = 0; j < writer.GetContentCount(); j++) {
R_UNLESS(!this->IsCancelRequested(), ncm::ResultCreatePlaceHolderCancelled());
auto *content_info = writer.GetWritableContentInfo(j);
/* Check if we have the content already exists. */
bool has_content;
R_TRY(content_storage.Has(&has_content, content_info->GetId()));
if (has_content) {
/* Add the size of installed content infos to the total size. */
if (content_info->install_state == InstallState::Installed) {
total_size += content_info->GetSize();
}
/* Update the install state. */
content_info->install_state = InstallState::AlreadyExists;
/* Continue. */
continue;
}
if (content_info->install_state == InstallState::NotPrepared) {
/* Generate a placeholder id. */
const PlaceHolderId placeholder_id = content_storage.GeneratePlaceHolderId();
/* Update the placeholder id in the content info. */
content_info->placeholder_id = placeholder_id;
/* Create the placeholder. */
R_TRY(content_storage.CreatePlaceHolder(placeholder_id, content_info->GetId(), content_info->GetSize()));
/* Update the install state. */
content_info->install_state = InstallState::Prepared;
}
/* Update the storage id for the content info. */
content_info->storage_id = storage_id;
/* Add the size of this content info to the total size. */
total_size += content_info->GetSize();
}
/* Cancel so that we can check the result of updating. */
update_guard.Cancel();
}
R_TRY(DoUpdate());
}
this->SetTotalSize(total_size);
return ResultSuccess();
}
Result InstallTaskBase::WriteContentMetaToPlaceHolder(InstallContentInfo *out_install_content_info, ContentStorage *storage, const InstallContentMetaInfo &meta_info, util::optional<bool> is_temporary) {
/* Generate a placeholder id. */
auto placeholder_id = storage->GeneratePlaceHolderId();
/* Create the placeholder. */
R_TRY(storage->CreatePlaceHolder(placeholder_id, meta_info.content_id, meta_info.content_size));
auto placeholder_guard = SCOPE_GUARD { storage->DeletePlaceHolder(placeholder_id); };
/* Output install content info. */
*out_install_content_info = this->MakeInstallContentInfoFrom(meta_info, placeholder_id, is_temporary);
/* Write install content info. */
R_TRY(this->WritePlaceHolder(meta_info.key, out_install_content_info));
/* Don't delete the placeholder. Set state to installed. */
placeholder_guard.Cancel();
out_install_content_info->install_state = InstallState::Installed;
return ResultSuccess();
}
Result InstallTaskBase::PrepareContentMeta(const InstallContentMetaInfo &meta_info, util::optional<ContentMetaKey> expected_key, util::optional<u32> source_version) {
/* Open the BuiltInSystem content storage. */
ContentStorage content_storage;
R_TRY(OpenContentStorage(&content_storage, StorageId::BuiltInSystem));
/* Write content meta to a placeholder. */
InstallContentInfo content_info;
R_TRY(this->WriteContentMetaToPlaceHolder(std::addressof(content_info), std::addressof(content_storage), meta_info, util::nullopt));
/* Get the path of the placeholder. */
Path path;
content_storage.GetPlaceHolderPath(std::addressof(path), content_info.GetPlaceHolderId());
const bool is_temporary = content_info.is_temporary;
auto temporary_guard = SCOPE_GUARD { content_storage.DeletePlaceHolder(content_info.GetPlaceHolderId()); };
/* Create a new temporary InstallContentInfo if relevant. */
if (is_temporary) {
content_info = {
.digest = content_info.digest,
.info = content_info.info,
.placeholder_id = content_info.GetPlaceHolderId(),
.meta_type = content_info.meta_type,
.verify_digest = content_info.verify_digest,
};
}
/* Retrieve the install content meta data. */
AutoBuffer meta;
R_TRY(this->GetInstallContentMetaDataFromPath(std::addressof(meta), path, content_info, source_version));
/* Update the storage id if BuiltInSystem. */
if (this->install_storage == StorageId::BuiltInSystem) {
InstallContentMetaWriter writer(meta.Get(), meta.GetSize());
writer.SetStorageId(StorageId::BuiltInSystem);
}
/* Validate the expected key if we have an expectation. */
if (expected_key) {
InstallContentMetaReader reader(meta.Get(), meta.GetSize());
R_UNLESS(IsExpectedKey(*expected_key, reader.GetKey()), ncm::ResultUnexpectedContentMetaPrepared());
}
/* Push the data. */
R_TRY(this->data->Push(meta.Get(), meta.GetSize()));
/* Don't delete the placeholder if not temporary. */
if (!is_temporary) {
temporary_guard.Cancel();
}
return ResultSuccess();
}
Result InstallTaskBase::PrepareContentMeta(ContentId content_id, s64 size, ContentMetaType meta_type, AutoBuffer *buffer) {
/* Create a reader. */
PackagedContentMetaReader reader(buffer->Get(), buffer->GetSize());
/* Initialize the temporary buffer. */
AutoBuffer tmp_buffer;
R_TRY(tmp_buffer.Initialize(reader.CalculateConvertInstallContentMetaSize()));
/* Convert packaged content meta to install content meta. */
reader.ConvertToInstallContentMeta(tmp_buffer.Get(), tmp_buffer.GetSize(), InstallContentInfo::Make(ContentInfo::Make(content_id, size, ContentType::Meta), meta_type));
/* Push the content meta. */
this->data->Push(tmp_buffer.Get(), tmp_buffer.GetSize());
return ResultSuccess();
}
void InstallTaskBase::PrepareAgain() {
this->SetProgressState(InstallProgressState::NotPrepared);
}
Result InstallTaskBase::PrepareDependency() {
return ResultSuccess();
}
Result InstallTaskBase::PrepareSystemUpdateDependency() {
/* Cleanup on failure. */
auto guard = SCOPE_GUARD { this->Cleanup(); };
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->CountInstallContentMetaData(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
/* Skip non system update content metas. */
if (reader.GetHeader()->type != ContentMetaType::SystemUpdate) {
continue;
}
/* List content meta infos. */
std::unique_ptr<ContentMetaInfo[]> content_meta_infos;
s32 num_content_meta_infos;
R_TRY(this->ReadContentMetaInfoList(std::addressof(num_content_meta_infos), std::addressof(content_meta_infos), reader.GetKey()));
/* Iterate over content meta infos. */
for (s32 j = 0; j < num_content_meta_infos; j++) {
ContentMetaInfo &content_meta_info = content_meta_infos[j];
const ContentMetaKey content_meta_info_key = content_meta_info.ToKey();
/* If exfat driver is not included or is required, prepare the content meta. */
if (!(content_meta_info.attributes & ContentMetaAttribute_IncludesExFatDriver) || (this->config & InstallConfig_RequiresExFatDriver)) {
R_TRY(this->PrepareContentMetaIfLatest(content_meta_info_key));
}
}
}
guard.Cancel();
return ResultSuccess();
}
Result InstallTaskBase::GetSystemUpdateTaskApplyInfo(SystemUpdateTaskApplyInfo *out) {
/* Open the BuiltInSystem content meta database. */
ContentMetaDatabase meta_db;
R_TRY(OpenContentMetaDatabase(std::addressof(meta_db), StorageId::BuiltInSystem));
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->GetInstallContentMetaData(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
/* Skip non system update content metas. */
if (reader.GetHeader()->type != ContentMetaType::SystemUpdate) {
continue;
}
/* List content meta infos. */
std::unique_ptr<ContentMetaInfo[]> content_meta_infos;
s32 num_content_meta_infos;
R_TRY(this->ReadContentMetaInfoList(std::addressof(num_content_meta_infos), std::addressof(content_meta_infos), reader.GetKey()));
/* Iterate over content meta infos. */
for (s32 j = 0; j < num_content_meta_infos; j++) {
const ContentMetaInfo &content_meta_info = content_meta_infos[j];
bool found = true;
/* Get the latest key. */
ContentMetaKey installed_key;
R_TRY_CATCH(meta_db.GetLatest(std::addressof(installed_key), content_meta_info.id)) {
R_CATCH(ncm::ResultContentMetaNotFound) {
/* Key doesn't exist, this is okay. */
found = false;
}
} R_END_TRY_CATCH;
/* Exfat driver included, but not required. */
if (content_meta_info.attributes & ContentMetaAttribute_IncludesExFatDriver && !(this->config & InstallConfig_RequiresExFatDriver)) {
continue;
}
/* No reboot is required if we're installing a version below. */
if (found && content_meta_info.version <= installed_key.version) {
continue;
}
/* If not rebootless, a reboot is required. */
if (!(content_meta_info.attributes & ContentMetaAttribute_Rebootless)) {
*out = SystemUpdateTaskApplyInfo::RequireReboot;
return ResultSuccess();
}
}
}
*out = SystemUpdateTaskApplyInfo::RequireNoReboot;
return ResultSuccess();
}
Result InstallTaskBase::PrepareContentMetaIfLatest(const ContentMetaKey &key) {
/* Check if the key is newer than what is already installed. */
bool newer_than_installed;
R_TRY(this->IsNewerThanInstalled(std::addressof(newer_than_installed), key));
if (newer_than_installed) {
/* Get and prepare install content meta info. */
InstallContentMetaInfo install_content_meta_info;
R_TRY(this->GetInstallContentMetaInfo(std::addressof(install_content_meta_info), key));
R_TRY(this->PrepareContentMeta(install_content_meta_info, key, util::nullopt));
}
return ResultSuccess();
}
Result InstallTaskBase::IsNewerThanInstalled(bool *out, const ContentMetaKey &key) {
/* Obtain a list of suitable storage ids. */
auto storage_list = GetStorageList(this->install_storage);
/* Iterate over storage ids. */
for (s32 i = 0; i < storage_list.Count(); i++) {
/* Open the content meta database. */
ContentMetaDatabase meta_db;
if (R_FAILED(OpenContentMetaDatabase(std::addressof(meta_db), storage_list[i]))) {
continue;
}
/* Get the latest key. */
ContentMetaKey latest_key;
R_TRY_CATCH(meta_db.GetLatest(std::addressof(latest_key), key.id)) {
R_CATCH(ncm::ResultContentMetaNotFound) {
/* Key doesn't exist, this is okay. */
continue;
}
} R_END_TRY_CATCH;
/* Check if installed key is newer. */
if (latest_key.version >= key.version) {
*out = false;
return ResultSuccess();
}
}
/* Input key is newer. */
*out = true;
return ResultSuccess();
}
Result InstallTaskBase::CountInstallContentMetaData(s32 *out_count) {
return this->data->Count(out_count);
}
Result InstallTaskBase::GetInstallContentMetaData(InstallContentMeta *out_content_meta, s32 index) {
return this->data->Get(out_content_meta, index);
}
Result InstallTaskBase::DeleteInstallContentMetaData(const ContentMetaKey *keys, s32 num_keys) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->CountInstallContentMetaData(std::addressof(count)));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->GetInstallContentMetaData(std::addressof(content_meta), i));
/* Cleanup if the input keys contain this key. */
if (Contains(keys, num_keys, content_meta.GetReader().GetKey())) {
R_TRY(this->CleanupOne(content_meta));
}
}
/* Delete the data if count < 1. */
return this->data->Delete(keys, num_keys);
}
Result InstallTaskBase::GetInstallContentMetaDataFromPath(AutoBuffer *out, const Path &path, const InstallContentInfo &content_info, util::optional<u32> source_version) {
AutoBuffer meta;
{
fs::ScopedAutoAbortDisabler aad;
R_TRY(ReadContentMetaPath(std::addressof(meta), path.str));
}
/* Create a reader. */
PackagedContentMetaReader reader(meta.Get(), meta.GetSize());
size_t meta_size;
AutoBuffer install_meta_data;
if (source_version) {
/* Convert to fragment only install content meta. */
R_TRY(reader.CalculateConvertFragmentOnlyInstallContentMetaSize(std::addressof(meta_size), *source_version));
R_TRY(install_meta_data.Initialize(meta_size));
reader.ConvertToFragmentOnlyInstallContentMeta(install_meta_data.Get(), install_meta_data.GetSize(), content_info, *source_version);
} else {
/* Convert to install content meta. */
meta_size = reader.CalculateConvertInstallContentMetaSize();
R_TRY(install_meta_data.Initialize(meta_size));
reader.ConvertToInstallContentMeta(install_meta_data.Get(), install_meta_data.GetSize(), content_info);
}
/* Set output. */
*out = std::move(install_meta_data);
return ResultSuccess();
}
InstallContentInfo InstallTaskBase::MakeInstallContentInfoFrom(const InstallContentMetaInfo &info, const PlaceHolderId &placeholder_id, util::optional<bool> is_tmp) {
return {
.digest = info.digest,
.info = ContentInfo::Make(info.content_id, info.content_size, ContentType::Meta, 0),
.placeholder_id = placeholder_id,
.meta_type = info.key.type,
.install_state = InstallState::Prepared,
.verify_digest = info.verify_digest,
.storage_id = StorageId::BuiltInSystem,
.is_temporary = is_tmp ? *is_tmp : (this->install_storage != StorageId::BuiltInSystem),
};
}
InstallProgress InstallTaskBase::GetProgress() {
std::scoped_lock lk(this->progress_mutex);
return this->progress;
}
void InstallTaskBase::ResetLastResult() {
this->SetLastResult(ResultSuccess());
}
void InstallTaskBase::SetTotalSize(s64 size) {
std::scoped_lock(this->progress_mutex);
this->progress.total_size = size;
}
void InstallTaskBase::IncrementProgress(s64 size) {
std::scoped_lock lk(this->progress_mutex);
this->progress.installed_size += size;
}
void InstallTaskBase::SetLastResult(Result last_result) {
std::scoped_lock lk(this->progress_mutex);
this->data->SetLastResult(last_result);
this->progress.SetLastResult(last_result);
}
void InstallTaskBase::CleanupProgress() {
std::scoped_lock(this->progress_mutex);
this->progress = {};
}
InstallThroughput InstallTaskBase::GetThroughput() {
std::scoped_lock lk(this->throughput_mutex);
return this->throughput;
}
void InstallTaskBase::ResetThroughputMeasurement() {
std::scoped_lock lk(this->throughput_mutex);
this->throughput = { .elapsed_time = TimeSpan() };
this->throughput_start_time = TimeSpan();
}
void InstallTaskBase::StartThroughputMeasurement() {
std::scoped_lock lk(this->throughput_mutex);
this->throughput = { .elapsed_time = TimeSpan() };
this->throughput_start_time = os::GetSystemTick().ToTimeSpan();
}
void InstallTaskBase::UpdateThroughputMeasurement(s64 throughput) {
std::scoped_lock lk(this->throughput_mutex);
/* Update throughput only if start time has been set. */
if (this->throughput_start_time.GetNanoSeconds() != 0) {
this->throughput.installed += throughput;
this->throughput.elapsed_time = os::GetSystemTick().ToTimeSpan() - this->throughput_start_time;
}
}
Result InstallTaskBase::CalculateContentsSize(s64 *out_size, const ContentMetaKey &key, StorageId storage_id) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Open the content storage. */
ContentStorage content_storage;
R_TRY(ncm::OpenContentStorage(&content_storage, storage_id));
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
/* Skip this content meta if the key doesn't match. */
if (reader.GetKey() != key) {
continue;
}
/* If the storage is unique and doesn't match, continue. */
if (IsUniqueStorage(storage_id) && reader.GetStorageId() != storage_id) {
continue;
}
/* Set the out size to 0. */
*out_size = 0;
/* Sum the sizes from the content infos. */
for (size_t j = 0; j < reader.GetContentCount(); j++) {
const auto *content_info = reader.GetContentInfo(j);
/* If this content info isn't prepared, continue. */
if (content_info->install_state == InstallState::NotPrepared) {
continue;
}
/* Check if this content info has a placeholder. */
bool has_placeholder;
R_TRY(content_storage.HasPlaceHolder(std::addressof(has_placeholder), content_info->GetPlaceHolderId()));
/* Add the placeholder size to the total. */
if (has_placeholder) {
*out_size += content_info->GetSize();
}
}
/* No need to look for any further keys. */
return ResultSuccess();
}
*out_size = 0;
return ResultSuccess();
}
Result InstallTaskBase::ReadContentMetaInfoList(s32 *out_count, std::unique_ptr<ContentMetaInfo[]> *out_meta_infos, const ContentMetaKey &key) {
/* Get the install content meta info. */
InstallContentMetaInfo install_content_meta_info;
R_TRY(this->GetInstallContentMetaInfo(std::addressof(install_content_meta_info), key));
/* Open the BuiltInSystem content storage. */
ContentStorage content_storage;
R_TRY(ncm::OpenContentStorage(&content_storage, StorageId::BuiltInSystem));
/* Write content meta to a placeholder. */
InstallContentInfo content_info;
R_TRY(this->WriteContentMetaToPlaceHolder(std::addressof(content_info), std::addressof(content_storage), install_content_meta_info, true));
const PlaceHolderId placeholder_id = content_info.GetPlaceHolderId();
/* Get the path of the new placeholder. */
Path path;
content_storage.GetPlaceHolderPath(std::addressof(path), placeholder_id);
/* Read the variation list. */
R_TRY(ReadVariationContentMetaInfoList(out_count, out_meta_infos, path, this->firmware_variation_id));
/* Delete the placeholder. */
content_storage.DeletePlaceHolder(placeholder_id);
return ResultSuccess();
}
Result InstallTaskBase::FindMaxRequiredApplicationVersion(u32 *out) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
u32 max_version = 0;
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
/* Check if the meta type is for add on content. */
if (reader.GetKey().type == ContentMetaType::AddOnContent) {
const auto *extended_header = reader.GetExtendedHeader<AddOnContentMetaExtendedHeader>();
/* Set the max version if higher. */
max_version = std::max(max_version, extended_header->required_application_version);
}
}
*out = max_version;
return ResultSuccess();
}
Result InstallTaskBase::ListOccupiedSize(s32 *out_written, InstallTaskOccupiedSize *out_list, s32 out_list_size, s32 offset) {
AMS_ABORT_UNLESS(offset >= 0);
/* Count the number of content meta entries. */
s32 data_count;
R_TRY(this->data->Count(std::addressof(data_count)));
/* Iterate over content meta. */
s32 count = 0;
for (s32 i = offset; i < data_count && count < out_list_size; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
const StorageId storage_id = reader.GetStorageId();
s64 total_size = 0;
for (size_t j = 0; j < reader.GetContentCount(); j++) {
const auto *content_info = reader.GetContentInfo(j);
/* Skip the content info if not prepared. */
if (content_info->GetInstallState() == InstallState::NotPrepared) {
continue;
}
/* Open the relevant content storage. */
ContentStorage content_storage;
R_TRY_CATCH(ncm::OpenContentStorage(std::addressof(content_storage), storage_id)) {
R_CATCH(ncm::ResultContentStorageNotActive) { break; }
} R_END_TRY_CATCH;
/* Check if this content info has a placeholder. */
bool has_placeholder;
R_TRY(content_storage.HasPlaceHolder(std::addressof(has_placeholder), content_info->GetPlaceHolderId()));
if (has_placeholder) {
total_size += content_info->GetSize();
}
}
/* Output this InstallTaskOccupiedSize. */
out_list[count++] = {
.key = reader.GetKey(),
.size = total_size,
.storage_id = storage_id,
};
}
/* Write the out count. */
*out_written = count;
return ResultSuccess();
}
void InstallTaskBase::SetProgressState(InstallProgressState state) {
std::scoped_lock(this->progress_mutex);
this->data->SetState(state);
this->progress.state = state;
}
Result InstallTaskBase::FindMaxRequiredSystemVersion(u32 *out) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
u32 max_version = 0;
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
if (reader.GetHeader()->type == ContentMetaType::Application) {
const auto *extended_header = reader.GetExtendedHeader<ApplicationMetaExtendedHeader>();
/* Set the max version if higher. */
if (extended_header->required_system_version >= max_version) {
max_version = extended_header->required_system_version;
}
} else if (reader.GetHeader()->type == ContentMetaType::Patch) {
const auto *extended_header = reader.GetExtendedHeader<PatchMetaExtendedHeader>();
/* Set the max version if higher. */
if (extended_header->required_system_version >= max_version) {
max_version = extended_header->required_system_version;
}
}
}
*out = max_version;
return ResultSuccess();
}
Result InstallTaskBase::CanContinue() {
switch (this->GetProgress().state) {
case InstallProgressState::NotPrepared:
case InstallProgressState::DataPrepared:
R_UNLESS(!this->IsCancelRequested(), ncm::ResultCreatePlaceHolderCancelled());
break;
case InstallProgressState::Prepared:
R_UNLESS(!this->IsCancelRequested(), ncm::ResultWritePlaceHolderCancelled());
break;
default:
break;
}
return ResultSuccess();
}
Result InstallTaskBase::ListRightsIds(s32 *out_count, Span<RightsId> out_span, const ContentMetaKey &key, s32 offset) {
/* Count the number of content meta entries. */
s32 count;
R_TRY(this->data->Count(std::addressof(count)));
/* Ensure count is >= 1. */
R_UNLESS(count >= 1, ncm::ResultContentMetaNotFound());
/* Iterate over content meta. */
for (s32 i = 0; i < count; i++) {
/* Obtain the content meta. */
InstallContentMeta content_meta;
R_TRY(this->data->Get(std::addressof(content_meta), i));
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
/* List rights ids if the reader's key matches ours. */
if (reader.GetKey() == key) {
return this->ListRightsIdsByInstallContentMeta(out_count, out_span, content_meta, offset);
}
}
return ncm::ResultContentMetaNotFound();
}
Result InstallTaskBase::ListRightsIdsByInstallContentMeta(s32 *out_count, Span<RightsId> out_span, const InstallContentMeta &content_meta, s32 offset) {
/* If the offset is greater than zero, we can't create a unique span of rights ids. */
/* Thus, we have nothing to list. */
if (offset > 0) {
*out_count = 0;
return ResultSuccess();
}
/* Create a reader. */
const InstallContentMetaReader reader = content_meta.GetReader();
s32 count = 0;
for (size_t i = 0; i < reader.GetContentCount(); i++) {
const auto *content_info = reader.GetContentInfo(i);
/* Skip meta content infos and already installed content infos. Also skip if the content meta has already been comitted. */
if (content_info->GetType() == ContentType::Meta || content_info->GetInstallState() == InstallState::Installed || reader.GetHeader()->committed) {
continue;
}
/* Open the relevant content storage. */
ContentStorage content_storage;
R_TRY(ncm::OpenContentStorage(&content_storage, content_info->storage_id));
/* Get the rights id. */
RightsId rights_id;
R_TRY(content_storage.GetRightsId(std::addressof(rights_id), content_info->GetPlaceHolderId()));
/* Skip empty rights ids. */
if (rights_id.id == fs::InvalidRightsId) {
continue;
}
/* Output the rights id. */
out_span[count++] = rights_id;
}
/* Sort and remove duplicate ids from the output span. */
std::sort(out_span.begin(), out_span.end());
*out_count = std::distance(out_span.begin(), std::unique(out_span.begin(), out_span.end()));
return ResultSuccess();
}
}
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