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#include <unity/storage/qt/client/internal/RootImpl.h>
#include <unity/storage/qt/client/Exceptions.h>
#include <unity/storage/qt/client/internal/FileImpl.h>
using namespace std;
namespace unity
{
namespace storage
{
namespace qt
{
namespace client
{
namespace internal
{
RootImpl::RootImpl(QString const& identity, weak_ptr<Account> const& account)
: FolderImpl(identity, ItemType::root)
, account_(account)
{
using namespace boost::filesystem;
path id_path = path(identity.toStdString());
if (!id_path.is_absolute())
{
throw StorageException(); // TODO
}
path can_path = canonical(id_path);
auto id_len = std::distance(id_path.begin(), id_path.end());
auto can_len = std::distance(can_path.begin(), can_path.end());
if (id_len != can_len)
{
// identity denotes a weird path that we won't trust because
// it might contain ".." or similar.
throw StorageException(); // TODO
}
assert(account.lock());
}
QString RootImpl::name() const
{
return "";
}
QFuture<QVector<Folder::SPtr>> RootImpl::parents() const
{
QFutureInterface<QVector<Folder::SPtr>> qf;
qf.reportResult(QVector<Folder::SPtr>()); // For the root, we return an empty vector.
qf.reportFinished();
return qf.future();
}
QVector<QString> RootImpl::parent_ids() const
{
return QVector<QString>(); // For the root, we return an empty vector.
}
QFuture<void> RootImpl::destroy()
{
// Cannot destroy root.
throw StorageException(); // TODO
}
Account* RootImpl::account() const
{
if (auto acc = account_.lock())
{
return acc.get();
}
throw RuntimeDestroyedException();
}
QFuture<int64_t> RootImpl::free_space_bytes() const
{
using namespace boost::filesystem;
QFutureInterface<int64_t> qf;
try
{
space_info si = space(identity_.toStdString());
qf.reportResult(si.available);
}
catch (std::exception const&)
{
qf.reportException(StorageException()); // TODO
}
qf.reportFinished();
return qf.future();
}
QFuture<int64_t> RootImpl::used_space_bytes() const
{
using namespace boost::filesystem;
QFutureInterface<int64_t> qf;
try
{
space_info si = space(identity_.toStdString());
qf.reportResult(si.capacity - si.available);
}
catch (std::exception const&)
{
qf.reportException(StorageException()); // TODO
}
qf.reportFinished();
return qf.future();
}
QFuture<Item::SPtr> RootImpl::get(QString native_identity) const
{
using namespace boost::filesystem;
QFutureInterface<Item::SPtr> qf;
try
{
path id_path = native_identity.toStdString();
if (!id_path.is_absolute())
{
throw StorageException(); // TODO
}
// Make sure that native_identity is contained in or equal to the root path.
id_path = canonical(id_path);
auto root_path = path(root()->native_identity().toStdString());
auto id_len = std::distance(id_path.begin(), id_path.end());
auto root_len = std::distance(root_path.begin(), root_path.end());
if (id_len < root_len)
{
// native_identity can't possibly point at something below the root.
throw StorageException(); // TODO
}
if (!std::equal(root_path.begin(), root_path.end(), id_path.begin()))
{
// id_path differs from root path in some path component, so id_path
// does not point at a location that's contained in root_path.
throw StorageException();
}
file_status s = status(id_path);
QString path = QString::fromStdString(id_path.native());
if (is_directory(s))
{
if (id_path == root_path)
{
qf.reportResult(make_root(path, account_));
}
else
{
qf.reportResult(make_folder(path, root_));
}
}
else if (is_regular_file(s))
{
qf.reportResult(FileImpl::make_file(path, root_));
}
else
{
// Ignore everything that's not a directory or file.
}
}
catch (std::exception const&)
{
qf.reportException(StorageException()); // TODO
}
qf.reportFinished();
return qf.future();
}
Root::SPtr RootImpl::make_root(QString const& identity, std::weak_ptr<Account> const& account)
{
assert(account.lock());
auto impl = new RootImpl(identity, account);
Root::SPtr root(new Root(impl));
impl->set_root(root);
impl->set_public_instance(root);
return root;
}
} // namespace internal
} // namespace client
} // namespace qt
} // namespace storage
} // namespace unity
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