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metadata

package

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Versions in this module

v0

v0.4.0

Jun 21, 2025

v0.3.0

Jun 21, 2025

Changes in this version

type BlockInfo

+ MimeType string

+ OrigSize int64

v0.2.0

Jun 20, 2025

v0.1.0

Jun 12, 2025

Changes in this version

+ const FileFormatVersion

+ const MagicBytes

+ type AccessEntry struct

+ Action string

+ Details string

+ Principal string

+ Resource string

+ Success bool

+ Timestamp time.Time

+ type AccessPolicy struct

+ Actions []string

+ Conditions []Condition

+ CreatedAt time.Time

+ ModifiedAt time.Time

+ Principals []Principal

+ Resources []Resource

+ Version int

+ type AuditTrail struct

+ AccessLog []AccessEntry

+ CreatedAt time.Time

+ CreatedBy string

+ ModifiedAt time.Time

+ ModifiedBy string

+ Version int

+ type BlockInfo struct

+ Checksum []byte

+ ColumnName string

+ Compressed bool

+ Length int64

+ Offset int64

+ RowCount int64

+ type Condition struct

+ Type string

+ Value interface{}

+ type EncryptionParams struct

+ Algorithm string

+ ColumnSalts map[string][]byte

+ Iterations int

+ KeyDerivation string

+ MasterSalt []byte

+ SaltSize int

+ type FileHeader struct

+ Flags uint32

+ Magic [8]byte

+ Reserved uint32

+ Version uint32

+ type Metadata struct

+ AccessPolicy *AccessPolicy

+ AuditTrail AuditTrail

+ BlockInfo []BlockInfo

+ Encryption EncryptionParams

+ Header FileHeader

+ Schema *arrow.Schema

+ SchemaBytes []byte

+ func Deserialize(data []byte) (*Metadata, error)

+ func NewMetadata(schema *arrow.Schema, masterSalt []byte, createdBy string) (*Metadata, error)

+ func (m *Metadata) AddBlockInfo(columnName string, offset, length, rowCount int64, checksum []byte)

+ func (m *Metadata) LogAccess(principal, action, resource string, success bool, details string)

+ func (m *Metadata) Serialize() ([]byte, error)

+ type Principal struct

+ Name string

+ Type string

+ type Resource struct

+ Name string

+ Type string