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package s3api
import (
"encoding/xml"
"fmt"
"strconv"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
)
// ObjectLockUtils provides shared utilities for Object Lock configuration
// These functions are used by both Admin UI and S3 API handlers to ensure consistency
// VersioningUtils provides shared utilities for bucket versioning configuration
// These functions ensure Admin UI and S3 API use the same versioning keys
// StoreVersioningInExtended stores versioning configuration in entry extended attributes
func StoreVersioningInExtended(entry *filer_pb.Entry, enabled bool) error {
if entry.Extended == nil {
entry.Extended = make(map[string][]byte)
}
if enabled {
entry.Extended[s3_constants.ExtVersioningKey] = []byte(s3_constants.VersioningEnabled)
} else {
entry.Extended[s3_constants.ExtVersioningKey] = []byte(s3_constants.VersioningSuspended)
}
return nil
}
// LoadVersioningFromExtended loads versioning configuration from entry extended attributes
func LoadVersioningFromExtended(entry *filer_pb.Entry) (bool, bool) {
if entry == nil || entry.Extended == nil {
return false, false // not found, default to suspended
}
// Check for S3 API compatible key
if versioningBytes, exists := entry.Extended[s3_constants.ExtVersioningKey]; exists {
enabled := string(versioningBytes) == s3_constants.VersioningEnabled
return enabled, true
}
return false, false // not found
}
// CreateObjectLockConfiguration creates a new ObjectLockConfiguration with the specified parameters
func CreateObjectLockConfiguration(enabled bool, mode string, days int, years int) *ObjectLockConfiguration {
if !enabled {
return nil
}
config := &ObjectLockConfiguration{
ObjectLockEnabled: s3_constants.ObjectLockEnabled,
}
// Add default retention rule if mode and period are specified
if mode != "" && (days > 0 || years > 0) {
config.Rule = &ObjectLockRule{
DefaultRetention: &DefaultRetention{
Mode: mode,
Days: days,
Years: years,
},
}
}
return config
}
// ObjectLockConfigurationToXML converts ObjectLockConfiguration to XML bytes
func ObjectLockConfigurationToXML(config *ObjectLockConfiguration) ([]byte, error) {
if config == nil {
return nil, fmt.Errorf("object lock configuration is nil")
}
return xml.Marshal(config)
}
// StoreObjectLockConfigurationInExtended stores Object Lock configuration in entry extended attributes
func StoreObjectLockConfigurationInExtended(entry *filer_pb.Entry, config *ObjectLockConfiguration) error {
if entry.Extended == nil {
entry.Extended = make(map[string][]byte)
}
if config == nil {
// Remove Object Lock configuration
delete(entry.Extended, s3_constants.ExtObjectLockEnabledKey)
delete(entry.Extended, s3_constants.ExtObjectLockDefaultModeKey)
delete(entry.Extended, s3_constants.ExtObjectLockDefaultDaysKey)
delete(entry.Extended, s3_constants.ExtObjectLockDefaultYearsKey)
return nil
}
// Store the enabled flag
entry.Extended[s3_constants.ExtObjectLockEnabledKey] = []byte(config.ObjectLockEnabled)
// Store default retention configuration if present
if config.Rule != nil && config.Rule.DefaultRetention != nil {
defaultRetention := config.Rule.DefaultRetention
// Store mode
if defaultRetention.Mode != "" {
entry.Extended[s3_constants.ExtObjectLockDefaultModeKey] = []byte(defaultRetention.Mode)
}
// Store days
if defaultRetention.Days > 0 {
entry.Extended[s3_constants.ExtObjectLockDefaultDaysKey] = []byte(strconv.Itoa(defaultRetention.Days))
}
// Store years
if defaultRetention.Years > 0 {
entry.Extended[s3_constants.ExtObjectLockDefaultYearsKey] = []byte(strconv.Itoa(defaultRetention.Years))
}
} else {
// Remove default retention if not present
delete(entry.Extended, s3_constants.ExtObjectLockDefaultModeKey)
delete(entry.Extended, s3_constants.ExtObjectLockDefaultDaysKey)
delete(entry.Extended, s3_constants.ExtObjectLockDefaultYearsKey)
}
return nil
}
// LoadObjectLockConfigurationFromExtended loads Object Lock configuration from entry extended attributes
func LoadObjectLockConfigurationFromExtended(entry *filer_pb.Entry) (*ObjectLockConfiguration, bool) {
if entry == nil || entry.Extended == nil {
return nil, false
}
// Check if Object Lock is enabled
enabledBytes, exists := entry.Extended[s3_constants.ExtObjectLockEnabledKey]
if !exists {
return nil, false
}
enabled := string(enabledBytes)
if enabled != s3_constants.ObjectLockEnabled && enabled != "true" {
return nil, false
}
// Create basic configuration
config := &ObjectLockConfiguration{
ObjectLockEnabled: s3_constants.ObjectLockEnabled,
}
// Load default retention configuration if present
if modeBytes, exists := entry.Extended[s3_constants.ExtObjectLockDefaultModeKey]; exists {
mode := string(modeBytes)
// Parse days and years
var days, years int
if daysBytes, exists := entry.Extended[s3_constants.ExtObjectLockDefaultDaysKey]; exists {
if parsed, err := strconv.Atoi(string(daysBytes)); err == nil {
days = parsed
}
}
if yearsBytes, exists := entry.Extended[s3_constants.ExtObjectLockDefaultYearsKey]; exists {
if parsed, err := strconv.Atoi(string(yearsBytes)); err == nil {
years = parsed
}
}
// Create rule if we have a mode and at least days or years
if mode != "" && (days > 0 || years > 0) {
config.Rule = &ObjectLockRule{
DefaultRetention: &DefaultRetention{
Mode: mode,
Days: days,
Years: years,
},
}
}
}
return config, true
}
// ExtractObjectLockInfoFromConfig extracts basic Object Lock information from configuration
// Returns: enabled, mode, duration (for UI display)
func ExtractObjectLockInfoFromConfig(config *ObjectLockConfiguration) (bool, string, int32) {
if config == nil || config.ObjectLockEnabled != s3_constants.ObjectLockEnabled {
return false, "", 0
}
if config.Rule == nil || config.Rule.DefaultRetention == nil {
return true, "", 0
}
defaultRetention := config.Rule.DefaultRetention
// Convert years to days for consistent representation
days := defaultRetention.Days
if defaultRetention.Years > 0 {
days += defaultRetention.Years * 365
}
return true, defaultRetention.Mode, int32(days)
}
// CreateObjectLockConfigurationFromParams creates ObjectLockConfiguration from individual parameters
// This is a convenience function for Admin UI usage
func CreateObjectLockConfigurationFromParams(enabled bool, mode string, duration int32) *ObjectLockConfiguration {
if !enabled {
return nil
}
return CreateObjectLockConfiguration(enabled, mode, int(duration), 0)
}
// ValidateObjectLockParameters validates Object Lock parameters before creating configuration
func ValidateObjectLockParameters(enabled bool, mode string, duration int32) error {
if !enabled {
return nil
}
if mode != s3_constants.RetentionModeGovernance && mode != s3_constants.RetentionModeCompliance {
return ErrInvalidObjectLockMode
}
if duration <= 0 {
return ErrInvalidObjectLockDuration
}
if duration > MaxRetentionDays {
return ErrObjectLockDurationExceeded
}
return nil
}
|
