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fs.mitm: implement layered html redirection (closes #814)

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This commit is contained in:
Michael Scire
2020-02-25 16:44:36 -08:00
parent 8da705d40b
commit dc1404061c
7 changed files with 343 additions and 20 deletions
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43
stratosphere/ams_mitm/source/fs_mitm/fs_mitm_service.cpp
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@@ -19,6 +19,7 @@
#include "fsmitm_boot0storage.hpp"
#include "fsmitm_layered_romfs_storage.hpp"
#include "fsmitm_save_utils.hpp"
#include "fsmitm_readonly_layered_filesystem.hpp"
namespace ams::mitm::fs {
@@ -84,11 +85,11 @@ namespace ams::mitm::fs {
const sf::cmif::DomainObjectId target_object_id{serviceGetObjectId(&sd_fs.s)};
std::unique_ptr<fs::fsa::IFileSystem> sd_ifs = std::make_unique<fs::RemoteFileSystem>(sd_fs);
out.SetValue(std::make_shared<IFileSystemInterface>(std::make_shared<fssystem::SubDirectoryFileSystem>(std::move(sd_ifs), AtmosphereHblWebContentDir), false), target_object_id);
out.SetValue(std::make_shared<IFileSystemInterface>(std::make_shared<fs::ReadOnlyFileSystemAdapter>(std::make_unique<fssystem::SubDirectoryFileSystem>(std::move(sd_ifs), AtmosphereHblWebContentDir)), false), target_object_id);
return ResultSuccess();
}
Result OpenProgramSpecificWebContentFileSystem(sf::Out<std::shared_ptr<IFileSystemInterface>> &out, ncm::ProgramId client_program_id, ncm::ProgramId program_id, FsFileSystemType filesystem_type) {
Result OpenProgramSpecificWebContentFileSystem(sf::Out<std::shared_ptr<IFileSystemInterface>> &out, ncm::ProgramId client_program_id, ncm::ProgramId program_id, FsFileSystemType filesystem_type, Service *fwd, const fssrv::sf::Path *path, bool with_id) {
/* Directory must exist. */
{
FsDir d;
@@ -106,12 +107,35 @@ namespace ams::mitm::fs {
char program_web_content_path[fs::EntryNameLengthMax + 1];
FormatAtmosphereSdPath(program_web_content_path, sizeof(program_web_content_path), program_id, ProgramWebContentDir);
/* Set the output directory. */
out.SetValue(std::make_shared<IFileSystemInterface>(std::make_shared<fssystem::SubDirectoryFileSystem>(std::move(sd_ifs), program_web_content_path), false), target_object_id);
/* Make a new filesystem. */
{
std::unique_ptr<fs::fsa::IFileSystem> subdir_fs = std::make_unique<fssystem::SubDirectoryFileSystem>(std::move(sd_ifs), program_web_content_path);
std::shared_ptr<fs::fsa::IFileSystem> new_fs = nullptr;
/* Try to open the existing fs. */
FsFileSystem base_fs;
bool opened_base_fs = false;
if (with_id) {
opened_base_fs = R_SUCCEEDED(fsOpenFileSystemWithIdFwd(fwd, std::addressof(base_fs), static_cast<u64>(program_id), filesystem_type, path->str));
} else {
opened_base_fs = R_SUCCEEDED(fsOpenFileSystemWithPatchFwd(fwd, std::addressof(base_fs), static_cast<u64>(program_id), filesystem_type));
}
if (opened_base_fs) {
/* Create a layered adapter. */
new_fs = std::make_shared<ReadOnlyLayeredFileSystem>(std::move(subdir_fs), std::make_unique<fs::RemoteFileSystem>(base_fs));
} else {
/* Without an existing FS, just make a read only adapter to the subdirectory. */
new_fs = std::make_shared<fs::ReadOnlyFileSystemAdapter>(std::move(subdir_fs));
}
out.SetValue(std::make_shared<IFileSystemInterface>(std::move(new_fs), false), target_object_id);
}
return ResultSuccess();
}
Result OpenWebContentFileSystem(sf::Out<std::shared_ptr<IFileSystemInterface>> &out, ncm::ProgramId client_program_id, ncm::ProgramId program_id, FsFileSystemType filesystem_type) {
Result OpenWebContentFileSystem(sf::Out<std::shared_ptr<IFileSystemInterface>> &out, ncm::ProgramId client_program_id, ncm::ProgramId program_id, FsFileSystemType filesystem_type, Service *fwd, const fssrv::sf::Path *path, bool with_id, bool try_program_specific) {
/* Check first that we're a web applet opening web content. */
R_UNLESS(ncm::IsWebAppletProgramId(client_program_id), sm::mitm::ResultShouldForwardToSession());
R_UNLESS(filesystem_type == FsFileSystemType_ContentManual, sm::mitm::ResultShouldForwardToSession());
@@ -119,18 +143,21 @@ namespace ams::mitm::fs {
/* Try to mount the HBL web filesystem. If this succeeds then we're done. */
R_UNLESS(R_FAILED(OpenHblWebContentFileSystem(out, client_program_id, program_id, filesystem_type)), ResultSuccess());
/* If program specific override shouldn't be attempted, fall back. */
R_UNLESS(try_program_specific, sm::mitm::ResultShouldForwardToSession());
/* If we're not opening a HBL filesystem, just try to open a generic one. */
return OpenProgramSpecificWebContentFileSystem(out, client_program_id, program_id, filesystem_type);
return OpenProgramSpecificWebContentFileSystem(out, client_program_id, program_id, filesystem_type, fwd, path, with_id);
}
}
Result FsMitmService::OpenFileSystemWithPatch(sf::Out<std::shared_ptr<IFileSystemInterface>> out, ncm::ProgramId program_id, u32 _filesystem_type) {
return OpenWebContentFileSystem(out, this->client_info.program_id, program_id, static_cast<FsFileSystemType>(_filesystem_type));
return OpenWebContentFileSystem(out, this->client_info.program_id, program_id, static_cast<FsFileSystemType>(_filesystem_type), this->forward_service.get(), nullptr, false, this->client_info.override_status.IsProgramSpecific());
}
Result FsMitmService::OpenFileSystemWithId(sf::Out<std::shared_ptr<IFileSystemInterface>> out, const fssrv::sf::Path &path, ncm::ProgramId program_id, u32 _filesystem_type) {
return OpenWebContentFileSystem(out, this->client_info.program_id, program_id, static_cast<FsFileSystemType>(_filesystem_type));
return OpenWebContentFileSystem(out, this->client_info.program_id, program_id, static_cast<FsFileSystemType>(_filesystem_type), this->forward_service.get(), std::addressof(path), true, this->client_info.override_status.IsProgramSpecific());
}
Result FsMitmService::OpenSdCardFileSystem(sf::Out<std::shared_ptr<IFileSystemInterface>> out) {