69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
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#include "certificate_filesystem_storage.hpp"
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#include "filesystem.hpp"
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#include "security_module.hpp"
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#include <vanetza/common/byte_buffer.hpp>
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#include <boost/range/adaptor/filtered.hpp>
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#include <boost/range/adaptor/transformed.hpp>
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#include <boost/range/iterator_range.hpp>
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namespace vanetza
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{
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namespace pki
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{
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CertificateFilesystemStorage::CertificateFilesystemStorage(std::shared_ptr<SecurityModule> sec,
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const std::filesystem::path& root, std::string extension) :
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m_security(sec), m_root(root), m_extension(std::move(extension))
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{
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std::filesystem::create_directories(m_root);
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}
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boost::optional<Certificate> CertificateFilesystemStorage::fetch(const HashedId8& id) const
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{
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const std::filesystem::path path = filename(id);
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if (std::filesystem::is_regular_file(path)) {
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ByteBuffer buffer = read(path);
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Certificate cert;
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if (cert.decode(buffer)) {
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return cert;
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}
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}
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return boost::none;
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}
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void CertificateFilesystemStorage::store(const Certificate& cert)
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{
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HashedId8 id = cert.calculate_hashed_id8(*m_security);
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write(filename(id), cert.encode());
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}
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bool CertificateFilesystemStorage::erase(const HashedId8& id)
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{
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return std::filesystem::remove(filename(id));
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}
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std::filesystem::path CertificateFilesystemStorage::filename(const HashedId8& id) const
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{
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std::string filename = hexstring(id) + m_extension;
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std::filesystem::path path = m_root / filename;
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return path;
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}
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HashedId8Range CertificateFilesystemStorage::list() const
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{
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auto rng =
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boost::make_iterator_range(std::filesystem::directory_iterator(m_root), std::filesystem::directory_iterator()) |
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boost::adaptors::filtered([this](const std::filesystem::directory_entry& e) {
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return e.path().extension() == m_extension && std::filesystem::is_regular_file(e.path()) &&
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HashedId8::from_hexstring(e.path().stem().string()).has_value();
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}) |
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boost::adaptors::transformed([](const std::filesystem::directory_entry& e) {
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return *HashedId8::from_hexstring(e.path().stem().string());
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});
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return HashedId8Range(rng);
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}
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} // namespace pki
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} // namespace vanetza
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