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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <cstring>
#include <vector>
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs.h"
#include "core/file_sys/system_archive/system_archive.h"
#include "core/file_sys/vfs_types.h"
#include "core/frontend/applets/general_frontend.h"
#include "core/frontend/applets/web_browser.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/am/applets/web_browser.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
namespace Service::AM::Applets {
enum class WebArgTLVType : u16 {
InitialURL = 0x1,
ShopArgumentsURL = 0x2, ///< TODO(DarkLordZach): This is not the official name.
CallbackURL = 0x3,
CallbackableURL = 0x4,
ApplicationID = 0x5,
DocumentPath = 0x6,
DocumentKind = 0x7,
SystemDataID = 0x8,
ShareStartPage = 0x9,
Whitelist = 0xA,
News = 0xB,
UserID = 0xE,
AlbumEntry0 = 0xF,
ScreenShotEnabled = 0x10,
EcClientCertEnabled = 0x11,
Unk12 = 0x12,
PlayReportEnabled = 0x13,
Unk14 = 0x14,
Unk15 = 0x15,
BootDisplayKind = 0x17,
BackgroundKind = 0x18,
FooterEnabled = 0x19,
PointerEnabled = 0x1A,
LeftStickMode = 0x1B,
KeyRepeatFrame1 = 0x1C,
KeyRepeatFrame2 = 0x1D,
BootAsMediaPlayerInv = 0x1E,
DisplayUrlKind = 0x1F,
BootAsMediaPlayer = 0x21,
ShopJumpEnabled = 0x22,
MediaAutoPlayEnabled = 0x23,
LobbyParameter = 0x24,
ApplicationAlbumEntry = 0x26,
JsExtensionEnabled = 0x27,
AdditionalCommentText = 0x28,
TouchEnabledOnContents = 0x29,
UserAgentAdditionalString = 0x2A,
AdditionalMediaData0 = 0x2B,
MediaPlayerAutoCloseEnabled = 0x2C,
PageCacheEnabled = 0x2D,
WebAudioEnabled = 0x2E,
Unk2F = 0x2F,
YouTubeVideoWhitelist = 0x31,
FooterFixedKind = 0x32,
PageFadeEnabled = 0x33,
MediaCreatorApplicationRatingAge = 0x34,
BootLoadingIconEnabled = 0x35,
PageScrollIndicationEnabled = 0x36,
MediaPlayerSpeedControlEnabled = 0x37,
AlbumEntry1 = 0x38,
AlbumEntry2 = 0x39,
AlbumEntry3 = 0x3A,
AdditionalMediaData1 = 0x3B,
AdditionalMediaData2 = 0x3C,
AdditionalMediaData3 = 0x3D,
BootFooterButton = 0x3E,
OverrideWebAudioVolume = 0x3F,
OverrideMediaAudioVolume = 0x40,
BootMode = 0x41,
WebSessionEnabled = 0x42,
};
enum class ShimKind : u32 {
Shop = 1,
Login = 2,
Offline = 3,
Share = 4,
Web = 5,
Wifi = 6,
Lobby = 7,
};
constexpr std::size_t SHIM_KIND_COUNT = 0x8;
struct WebArgHeader {
u16 count;
INSERT_PADDING_BYTES(2);
ShimKind kind;
};
static_assert(sizeof(WebArgHeader) == 0x8, "WebArgHeader has incorrect size.");
struct WebArgTLV {
WebArgTLVType type;
u16 size;
u32 offset;
};
static_assert(sizeof(WebArgTLV) == 0x8, "WebArgTLV has incorrect size.");
struct WebCommonReturnValue {
u32 result_code;
INSERT_PADDING_BYTES(0x4);
std::array<char, 0x1000> last_url;
u64 last_url_size;
};
static_assert(sizeof(WebCommonReturnValue) == 0x1010, "WebCommonReturnValue has incorrect size.");
struct WebWifiPageArg {
INSERT_PADDING_BYTES(4);
std::array<char, 0x100> connection_test_url;
std::array<char, 0x400> initial_url;
std::array<u8, 0x10> nifm_network_uuid;
u32 nifm_requirement;
};
static_assert(sizeof(WebWifiPageArg) == 0x518, "WebWifiPageArg has incorrect size.");
struct WebWifiReturnValue {
INSERT_PADDING_BYTES(4);
u32 result;
};
static_assert(sizeof(WebWifiReturnValue) == 0x8, "WebWifiReturnValue has incorrect size.");
enum class OfflineWebSource : u32 {
OfflineHtmlPage = 0x1,
ApplicationLegalInformation = 0x2,
SystemDataPage = 0x3,
};
enum class ShopWebTarget {
ApplicationInfo,
AddOnContentList,
SubscriptionList,
ConsumableItemList,
Home,
Settings,
};
namespace {
std::map<WebArgTLVType, std::vector<u8>> GetWebArguments(const std::vector<u8>& arg) {
WebArgHeader header{};
if (arg.size() < sizeof(WebArgHeader))
return {};
std::memcpy(&header, arg.data(), sizeof(WebArgHeader));
std::map<WebArgTLVType, std::vector<u8>> out;
u64 offset = sizeof(WebArgHeader);
for (std::size_t i = 0; i < header.count; ++i) {
WebArgTLV tlv{};
if (arg.size() < (offset + sizeof(WebArgTLV)))
return out;
std::memcpy(&tlv, arg.data() + offset, sizeof(WebArgTLV));
offset += sizeof(WebArgTLV);
offset += tlv.offset;
if (arg.size() < (offset + tlv.size))
return out;
std::vector<u8> data(tlv.size);
std::memcpy(data.data(), arg.data() + offset, tlv.size);
offset += tlv.size;
out.insert_or_assign(tlv.type, data);
}
return out;
}
FileSys::VirtualFile GetApplicationRomFS(u64 title_id, FileSys::ContentRecordType type) {
const auto& installed{Core::System::GetInstance().GetContentProvider()};
const auto res = installed.GetEntry(title_id, type);
if (res != nullptr) {
return res->GetRomFS();
}
if (type == FileSys::ContentRecordType::Data) {
return FileSys::SystemArchive::SynthesizeSystemArchive(title_id);
}
return nullptr;
}
} // Anonymous namespace
WebBrowser::WebBrowser(Core::Frontend::WebBrowserApplet& frontend,
Core::Frontend::ECommerceApplet* frontend_e_commerce)
: frontend(frontend), frontend_e_commerce(frontend_e_commerce) {}
WebBrowser::~WebBrowser() = default;
void WebBrowser::Initialize() {
Applet::Initialize();
complete = false;
temporary_dir.clear();
filename.clear();
status = RESULT_SUCCESS;
const auto web_arg_storage = broker.PopNormalDataToApplet();
ASSERT(web_arg_storage != nullptr);
const auto& web_arg = web_arg_storage->GetData();
ASSERT(web_arg.size() >= 0x8);
std::memcpy(&kind, web_arg.data() + 0x4, sizeof(ShimKind));
args = GetWebArguments(web_arg);
InitializeInternal();
}
bool WebBrowser::TransactionComplete() const {
return complete;
}
ResultCode WebBrowser::GetStatus() const {
return status;
}
void WebBrowser::ExecuteInteractive() {
UNIMPLEMENTED_MSG("Unexpected interactive data recieved!");
}
void WebBrowser::Execute() {
if (complete) {
return;
}
if (status != RESULT_SUCCESS) {
complete = true;
return;
}
ExecuteInternal();
}
void WebBrowser::UnpackRomFS() {
if (unpacked)
return;
ASSERT(offline_romfs != nullptr);
const auto dir =
FileSys::ExtractRomFS(offline_romfs, FileSys::RomFSExtractionType::SingleDiscard);
const auto& vfs{Core::System::GetInstance().GetFilesystem()};
const auto temp_dir = vfs->CreateDirectory(temporary_dir, FileSys::Mode::ReadWrite);
FileSys::VfsRawCopyD(dir, temp_dir);
unpacked = true;
}
void WebBrowser::Finalize() {
complete = true;
WebCommonReturnValue out{};
out.result_code = 0;
out.last_url_size = 0;
std::vector<u8> data(sizeof(WebCommonReturnValue));
std::memcpy(data.data(), &out, sizeof(WebCommonReturnValue));
broker.PushNormalDataFromApplet(IStorage{data});
broker.SignalStateChanged();
if (!temporary_dir.empty() && FileUtil::IsDirectory(temporary_dir)) {
FileUtil::DeleteDirRecursively(temporary_dir);
}
}
void WebBrowser::InitializeInternal() {
using WebAppletInitializer = void (WebBrowser::*)();
constexpr std::array<WebAppletInitializer, SHIM_KIND_COUNT> functions{
nullptr, &WebBrowser::InitializeShop,
nullptr, &WebBrowser::InitializeOffline,
nullptr, nullptr,
nullptr, nullptr,
};
const auto index = static_cast<u32>(kind);
if (index > functions.size() || functions[index] == nullptr) {
LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
return;
}
const auto function = functions[index];
(this->*function)();
}
void WebBrowser::ExecuteInternal() {
using WebAppletExecutor = void (WebBrowser::*)();
constexpr std::array<WebAppletExecutor, SHIM_KIND_COUNT> functions{
nullptr, &WebBrowser::ExecuteShop,
nullptr, &WebBrowser::ExecuteOffline,
nullptr, nullptr,
nullptr, nullptr,
};
const auto index = static_cast<u32>(kind);
if (index > functions.size() || functions[index] == nullptr) {
LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
return;
}
const auto function = functions[index];
(this->*function)();
}
void WebBrowser::InitializeShop() {
if (frontend_e_commerce == nullptr) {
LOG_ERROR(Service_AM, "Missing ECommerce Applet frontend!");
status = ResultCode(-1);
return;
}
const auto user_id_data = args.find(WebArgTLVType::UserID);
user_id = std::nullopt;
if (user_id_data != args.end()) {
user_id = u128{};
std::memcpy(user_id->data(), user_id_data->second.data(), sizeof(u128));
}
const auto url = args.find(WebArgTLVType::ShopArgumentsURL);
if (url == args.end()) {
LOG_ERROR(Service_AM, "Missing EShop Arguments URL for initialization!");
status = ResultCode(-1);
return;
}
std::vector<std::string> split_query;
Common::SplitString(Common::StringFromFixedZeroTerminatedBuffer(
reinterpret_cast<const char*>(url->second.data()), url->second.size()),
'?', split_query);
// 2 -> Main URL '?' Query Parameters
// Less is missing info, More is malformed
if (split_query.size() != 2) {
LOG_ERROR(Service_AM, "EShop Arguments has more than one question mark, malformed");
status = ResultCode(-1);
return;
}
std::vector<std::string> queries;
Common::SplitString(split_query[1], '&', queries);
const auto split_single_query =
[](const std::string& in) -> std::pair<std::string, std::string> {
const auto index = in.find('=');
if (index == std::string::npos || index == in.size() - 1) {
return {in, ""};
}
return {in.substr(0, index), in.substr(index + 1)};
};
std::transform(queries.begin(), queries.end(),
std::inserter(shop_query, std::next(shop_query.begin())), split_single_query);
const auto scene = shop_query.find("scene");
if (scene == shop_query.end()) {
LOG_ERROR(Service_AM, "No scene parameter was passed via shop query!");
status = ResultCode(-1);
return;
}
const std::map<std::string, ShopWebTarget> target_map{
{"product_detail", ShopWebTarget::ApplicationInfo},
{"aocs", ShopWebTarget::AddOnContentList},
{"subscriptions", ShopWebTarget::SubscriptionList},
{"consumption", ShopWebTarget::ConsumableItemList},
{"settings", ShopWebTarget::Settings},
{"top", ShopWebTarget::Home},
};
const auto target = target_map.find(scene->second);
if (target == target_map.end()) {
LOG_ERROR(Service_AM, "Scene for shop query is invalid! (scene={})", scene->second);
status = ResultCode(-1);
return;
}
shop_web_target = target->second;
const auto title_id_data = shop_query.find("dst_app_id");
if (title_id_data != shop_query.end()) {
title_id = std::stoull(title_id_data->second, nullptr, 0x10);
}
const auto mode_data = shop_query.find("mode");
if (mode_data != shop_query.end()) {
shop_full_display = mode_data->second == "full";
}
}
void WebBrowser::InitializeOffline() {
if (args.find(WebArgTLVType::DocumentPath) == args.end() ||
args.find(WebArgTLVType::DocumentKind) == args.end() ||
args.find(WebArgTLVType::ApplicationID) == args.end()) {
status = ResultCode(-1);
LOG_ERROR(Service_AM, "Missing necessary parameters for initialization!");
}
const auto url_data = args[WebArgTLVType::DocumentPath];
filename = Common::StringFromFixedZeroTerminatedBuffer(
reinterpret_cast<const char*>(url_data.data()), url_data.size());
OfflineWebSource source;
ASSERT(args[WebArgTLVType::DocumentKind].size() >= 4);
std::memcpy(&source, args[WebArgTLVType::DocumentKind].data(), sizeof(OfflineWebSource));
constexpr std::array<const char*, 3> WEB_SOURCE_NAMES{
"manual",
"legal",
"system",
};
temporary_dir =
FileUtil::SanitizePath(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + "web_applet_" +
WEB_SOURCE_NAMES[static_cast<u32>(source) - 1],
FileUtil::DirectorySeparator::PlatformDefault);
FileUtil::DeleteDirRecursively(temporary_dir);
u64 title_id = 0; // 0 corresponds to current process
ASSERT(args[WebArgTLVType::ApplicationID].size() >= 0x8);
std::memcpy(&title_id, args[WebArgTLVType::ApplicationID].data(), sizeof(u64));
FileSys::ContentRecordType type = FileSys::ContentRecordType::Data;
switch (source) {
case OfflineWebSource::OfflineHtmlPage:
// While there is an AppID TLV field, in official SW this is always ignored.
title_id = 0;
type = FileSys::ContentRecordType::Manual;
break;
case OfflineWebSource::ApplicationLegalInformation:
type = FileSys::ContentRecordType::Legal;
break;
case OfflineWebSource::SystemDataPage:
type = FileSys::ContentRecordType::Data;
break;
}
if (title_id == 0) {
title_id = Core::System::GetInstance().CurrentProcess()->GetTitleID();
}
offline_romfs = GetApplicationRomFS(title_id, type);
if (offline_romfs == nullptr) {
status = ResultCode(-1);
LOG_ERROR(Service_AM, "Failed to find offline data for request!");
}
std::string path_additional_directory;
if (source == OfflineWebSource::OfflineHtmlPage) {
path_additional_directory = std::string(DIR_SEP) + "html-document";
}
filename =
FileUtil::SanitizePath(temporary_dir + path_additional_directory + DIR_SEP + filename,
FileUtil::DirectorySeparator::PlatformDefault);
}
void WebBrowser::ExecuteShop() {
const auto callback = [this]() { Finalize(); };
const auto check_optional_parameter = [this](const auto& p) {
if (!p.has_value()) {
LOG_ERROR(Service_AM, "Missing one or more necessary parameters for execution!");
status = ResultCode(-1);
return false;
}
return true;
};
switch (shop_web_target) {
case ShopWebTarget::ApplicationInfo:
if (!check_optional_parameter(title_id))
return;
frontend_e_commerce->ShowApplicationInformation(callback, *title_id, user_id,
shop_full_display, shop_extra_parameter);
break;
case ShopWebTarget::AddOnContentList:
if (!check_optional_parameter(title_id))
return;
frontend_e_commerce->ShowAddOnContentList(callback, *title_id, user_id, shop_full_display);
break;
case ShopWebTarget::ConsumableItemList:
if (!check_optional_parameter(title_id))
return;
frontend_e_commerce->ShowConsumableItemList(callback, *title_id, user_id);
break;
case ShopWebTarget::Home:
if (!check_optional_parameter(user_id))
return;
if (!check_optional_parameter(shop_full_display))
return;
frontend_e_commerce->ShowShopHome(callback, *user_id, *shop_full_display);
break;
case ShopWebTarget::Settings:
if (!check_optional_parameter(user_id))
return;
if (!check_optional_parameter(shop_full_display))
return;
frontend_e_commerce->ShowSettings(callback, *user_id, *shop_full_display);
break;
case ShopWebTarget::SubscriptionList:
if (!check_optional_parameter(title_id))
return;
frontend_e_commerce->ShowSubscriptionList(callback, *title_id, user_id);
break;
default:
UNREACHABLE();
}
}
void WebBrowser::ExecuteOffline() {
frontend.OpenPageLocal(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
}
} // namespace Service::AM::Applets
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