| 715 | } |
| 716 | |
| 717 | std::string SerializedFile::HandleAadPrefix( |
| 718 | const std::shared_ptr<FileDecryptionProperties>& file_decryption_properties, |
| 719 | const EncryptionAlgorithm& algo) { |
| 720 | std::string aad_prefix_in_properties = file_decryption_properties->aad_prefix(); |
| 721 | std::string aad_prefix = aad_prefix_in_properties; |
| 722 | bool file_has_aad_prefix = algo.aad.aad_prefix.empty() ? false : true; |
| 723 | std::string aad_prefix_in_file = algo.aad.aad_prefix; |
| 724 | |
| 725 | if (algo.aad.supply_aad_prefix && aad_prefix_in_properties.empty()) { |
| 726 | throw ParquetException( |
| 727 | "AAD prefix used for file encryption, " |
| 728 | "but not stored in file and not supplied " |
| 729 | "in decryption properties"); |
| 730 | } |
| 731 | |
| 732 | if (file_has_aad_prefix) { |
| 733 | if (!aad_prefix_in_properties.empty()) { |
| 734 | if (aad_prefix_in_properties.compare(aad_prefix_in_file) != 0) { |
| 735 | throw ParquetException( |
| 736 | "AAD Prefix in file and in properties " |
| 737 | "is not the same"); |
| 738 | } |
| 739 | } |
| 740 | aad_prefix = aad_prefix_in_file; |
| 741 | std::shared_ptr<AADPrefixVerifier> aad_prefix_verifier = |
| 742 | file_decryption_properties->aad_prefix_verifier(); |
| 743 | if (aad_prefix_verifier != nullptr) aad_prefix_verifier->Verify(aad_prefix); |
| 744 | } else { |
| 745 | if (!algo.aad.supply_aad_prefix && !aad_prefix_in_properties.empty()) { |
| 746 | throw ParquetException( |
| 747 | "AAD Prefix set in decryption properties, but was not used " |
| 748 | "for file encryption"); |
| 749 | } |
| 750 | std::shared_ptr<AADPrefixVerifier> aad_prefix_verifier = |
| 751 | file_decryption_properties->aad_prefix_verifier(); |
| 752 | if (aad_prefix_verifier != nullptr) { |
| 753 | throw ParquetException( |
| 754 | "AAD Prefix Verifier is set, but AAD Prefix not found in file"); |
| 755 | } |
| 756 | } |
| 757 | return aad_prefix + algo.aad.aad_file_unique; |
| 758 | } |
| 759 | |
| 760 | // ---------------------------------------------------------------------- |
| 761 | // ParquetFileReader public API |
nothing calls this directly
no test coverage detected