1 files changed, 356 insertions, 0 deletions
diff --git a/weed/s3api/s3api_object_handlers_retention.go b/weed/s3api/s3api_object_handlers_retention.go
new file mode 100644
index 000000000..e92e821c8
--- /dev/null
+++ b/weed/s3api/s3api_object_handlers_retention.go
@@ -0,0 +1,356 @@
+package s3api
+
+import (
+	"encoding/xml"
+	"errors"
+	"net/http"
+
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
+	stats_collect "github.com/seaweedfs/seaweedfs/weed/stats"
+)
+
+// PutObjectRetentionHandler Put object Retention
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectRetention.html
+func (s3a *S3ApiServer) PutObjectRetentionHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, object := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("PutObjectRetentionHandler %s %s", bucket, object)
+
+	// Check if Object Lock is available for this bucket (requires versioning)
+	if !s3a.handleObjectLockAvailabilityCheck(w, r, bucket, "PutObjectRetentionHandler") {
+		return
+	}
+
+	// Get version ID from query parameters
+	versionId := r.URL.Query().Get("versionId")
+
+	// Check for bypass governance retention header
+	bypassGovernance := r.Header.Get("x-amz-bypass-governance-retention") == "true"
+
+	// Parse retention configuration from request body
+	retention, err := parseObjectRetention(r)
+	if err != nil {
+		glog.Errorf("PutObjectRetentionHandler: failed to parse retention config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrMalformedXML)
+		return
+	}
+
+	// Validate retention configuration
+	if err := validateRetention(retention); err != nil {
+		glog.Errorf("PutObjectRetentionHandler: invalid retention config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
+		return
+	}
+
+	// Set retention on the object
+	if err := s3a.setObjectRetention(bucket, object, versionId, retention, bypassGovernance); err != nil {
+		glog.Errorf("PutObjectRetentionHandler: failed to set retention: %v", err)
+
+		// Handle specific error cases
+		if errors.Is(err, ErrObjectNotFound) || errors.Is(err, ErrVersionNotFound) || errors.Is(err, ErrLatestVersionNotFound) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchKey)
+			return
+		}
+
+		if errors.Is(err, ErrComplianceModeActive) || errors.Is(err, ErrGovernanceModeActive) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrAccessDenied)
+			return
+		}
+
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	// Return success (HTTP 200 with no body)
+	w.WriteHeader(http.StatusOK)
+	glog.V(3).Infof("PutObjectRetentionHandler: successfully set retention for %s/%s", bucket, object)
+}
+
+// GetObjectRetentionHandler Get object Retention
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectRetention.html
+func (s3a *S3ApiServer) GetObjectRetentionHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, object := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("GetObjectRetentionHandler %s %s", bucket, object)
+
+	// Check if Object Lock is available for this bucket (requires versioning)
+	if !s3a.handleObjectLockAvailabilityCheck(w, r, bucket, "GetObjectRetentionHandler") {
+		return
+	}
+
+	// Get version ID from query parameters
+	versionId := r.URL.Query().Get("versionId")
+
+	// Get retention configuration for the object
+	retention, err := s3a.getObjectRetention(bucket, object, versionId)
+	if err != nil {
+		glog.Errorf("GetObjectRetentionHandler: failed to get retention: %v", err)
+
+		// Handle specific error cases
+		if errors.Is(err, ErrObjectNotFound) || errors.Is(err, ErrVersionNotFound) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchKey)
+			return
+		}
+
+		if errors.Is(err, ErrNoRetentionConfiguration) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchObjectLockConfiguration)
+			return
+		}
+
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Marshal retention configuration to XML
+	retentionXML, err := xml.Marshal(retention)
+	if err != nil {
+		glog.Errorf("GetObjectRetentionHandler: failed to marshal retention: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Set response headers
+	w.Header().Set("Content-Type", "application/xml")
+	w.WriteHeader(http.StatusOK)
+
+	// Write XML response
+	if _, err := w.Write([]byte(xml.Header)); err != nil {
+		glog.Errorf("GetObjectRetentionHandler: failed to write XML header: %v", err)
+		return
+	}
+
+	if _, err := w.Write(retentionXML); err != nil {
+		glog.Errorf("GetObjectRetentionHandler: failed to write retention XML: %v", err)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	glog.V(3).Infof("GetObjectRetentionHandler: successfully retrieved retention for %s/%s", bucket, object)
+}
+
+// PutObjectLegalHoldHandler Put object Legal Hold
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectLegalHold.html
+func (s3a *S3ApiServer) PutObjectLegalHoldHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, object := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("PutObjectLegalHoldHandler %s %s", bucket, object)
+
+	// Check if Object Lock is available for this bucket (requires versioning)
+	if !s3a.handleObjectLockAvailabilityCheck(w, r, bucket, "PutObjectLegalHoldHandler") {
+		return
+	}
+
+	// Get version ID from query parameters
+	versionId := r.URL.Query().Get("versionId")
+
+	// Parse legal hold configuration from request body
+	legalHold, err := parseObjectLegalHold(r)
+	if err != nil {
+		glog.Errorf("PutObjectLegalHoldHandler: failed to parse legal hold config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrMalformedXML)
+		return
+	}
+
+	// Validate legal hold configuration
+	if err := validateLegalHold(legalHold); err != nil {
+		glog.Errorf("PutObjectLegalHoldHandler: invalid legal hold config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
+		return
+	}
+
+	// Set legal hold on the object
+	if err := s3a.setObjectLegalHold(bucket, object, versionId, legalHold); err != nil {
+		glog.Errorf("PutObjectLegalHoldHandler: failed to set legal hold: %v", err)
+
+		// Handle specific error cases
+		if errors.Is(err, ErrObjectNotFound) || errors.Is(err, ErrVersionNotFound) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchKey)
+			return
+		}
+
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	// Return success (HTTP 200 with no body)
+	w.WriteHeader(http.StatusOK)
+	glog.V(3).Infof("PutObjectLegalHoldHandler: successfully set legal hold for %s/%s", bucket, object)
+}
+
+// GetObjectLegalHoldHandler Get object Legal Hold
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectLegalHold.html
+func (s3a *S3ApiServer) GetObjectLegalHoldHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, object := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("GetObjectLegalHoldHandler %s %s", bucket, object)
+
+	// Check if Object Lock is available for this bucket (requires versioning)
+	if !s3a.handleObjectLockAvailabilityCheck(w, r, bucket, "GetObjectLegalHoldHandler") {
+		return
+	}
+
+	// Get version ID from query parameters
+	versionId := r.URL.Query().Get("versionId")
+
+	// Get legal hold configuration for the object
+	legalHold, err := s3a.getObjectLegalHold(bucket, object, versionId)
+	if err != nil {
+		glog.Errorf("GetObjectLegalHoldHandler: failed to get legal hold: %v", err)
+
+		// Handle specific error cases
+		if errors.Is(err, ErrObjectNotFound) || errors.Is(err, ErrVersionNotFound) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchKey)
+			return
+		}
+
+		if errors.Is(err, ErrNoLegalHoldConfiguration) {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchObjectLegalHold)
+			return
+		}
+
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Marshal legal hold configuration to XML
+	legalHoldXML, err := xml.Marshal(legalHold)
+	if err != nil {
+		glog.Errorf("GetObjectLegalHoldHandler: failed to marshal legal hold: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Set response headers
+	w.Header().Set("Content-Type", "application/xml")
+	w.WriteHeader(http.StatusOK)
+
+	// Write XML response
+	if _, err := w.Write([]byte(xml.Header)); err != nil {
+		glog.Errorf("GetObjectLegalHoldHandler: failed to write XML header: %v", err)
+		return
+	}
+
+	if _, err := w.Write(legalHoldXML); err != nil {
+		glog.Errorf("GetObjectLegalHoldHandler: failed to write legal hold XML: %v", err)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	glog.V(3).Infof("GetObjectLegalHoldHandler: successfully retrieved legal hold for %s/%s", bucket, object)
+}
+
+// PutObjectLockConfigurationHandler Put object Lock configuration
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectLockConfiguration.html
+func (s3a *S3ApiServer) PutObjectLockConfigurationHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, _ := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("PutObjectLockConfigurationHandler %s", bucket)
+
+	// Check if Object Lock is available for this bucket (requires versioning)
+	if !s3a.handleObjectLockAvailabilityCheck(w, r, bucket, "PutObjectLockConfigurationHandler") {
+		return
+	}
+
+	// Parse object lock configuration from request body
+	config, err := parseObjectLockConfiguration(r)
+	if err != nil {
+		glog.Errorf("PutObjectLockConfigurationHandler: failed to parse object lock config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrMalformedXML)
+		return
+	}
+
+	// Validate object lock configuration
+	if err := validateObjectLockConfiguration(config); err != nil {
+		glog.Errorf("PutObjectLockConfigurationHandler: invalid object lock config: %v", err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidRequest)
+		return
+	}
+
+	// Set object lock configuration on the bucket
+	errCode := s3a.updateBucketConfig(bucket, func(bucketConfig *BucketConfig) error {
+		if bucketConfig.Entry.Extended == nil {
+			bucketConfig.Entry.Extended = make(map[string][]byte)
+		}
+
+		// Store the configuration as JSON in extended attributes
+		configXML, err := xml.Marshal(config)
+		if err != nil {
+			return err
+		}
+
+		bucketConfig.Entry.Extended[s3_constants.ExtObjectLockConfigKey] = configXML
+
+		if config.ObjectLockEnabled != "" {
+			bucketConfig.Entry.Extended[s3_constants.ExtObjectLockEnabledKey] = []byte(config.ObjectLockEnabled)
+		}
+
+		return nil
+	})
+
+	if errCode != s3err.ErrNone {
+		glog.Errorf("PutObjectLockConfigurationHandler: failed to set object lock config: %v", errCode)
+		s3err.WriteErrorResponse(w, r, errCode)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	// Return success (HTTP 200 with no body)
+	w.WriteHeader(http.StatusOK)
+	glog.V(3).Infof("PutObjectLockConfigurationHandler: successfully set object lock config for %s", bucket)
+}
+
+// GetObjectLockConfigurationHandler Get object Lock configuration
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectLockConfiguration.html
+func (s3a *S3ApiServer) GetObjectLockConfigurationHandler(w http.ResponseWriter, r *http.Request) {
+	bucket, _ := s3_constants.GetBucketAndObject(r)
+	glog.V(3).Infof("GetObjectLockConfigurationHandler %s", bucket)
+
+	// Get bucket configuration
+	bucketConfig, errCode := s3a.getBucketConfig(bucket)
+	if errCode != s3err.ErrNone {
+		glog.Errorf("GetObjectLockConfigurationHandler: failed to get bucket config: %v", errCode)
+		s3err.WriteErrorResponse(w, r, errCode)
+		return
+	}
+
+	// Check if object lock configuration exists
+	if bucketConfig.Entry.Extended == nil {
+		s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchObjectLockConfiguration)
+		return
+	}
+
+	configXML, exists := bucketConfig.Entry.Extended[s3_constants.ExtObjectLockConfigKey]
+	if !exists {
+		s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchObjectLockConfiguration)
+		return
+	}
+
+	// Set response headers
+	w.Header().Set("Content-Type", "application/xml")
+	w.WriteHeader(http.StatusOK)
+
+	// Write XML response
+	if _, err := w.Write([]byte(xml.Header)); err != nil {
+		glog.Errorf("GetObjectLockConfigurationHandler: failed to write XML header: %v", err)
+		return
+	}
+
+	if _, err := w.Write(configXML); err != nil {
+		glog.Errorf("GetObjectLockConfigurationHandler: failed to write config XML: %v", err)
+		return
+	}
+
+	// Record metrics
+	stats_collect.RecordBucketActiveTime(bucket)
+
+	glog.V(3).Infof("GetObjectLockConfigurationHandler: successfully retrieved object lock config for %s", bucket)
+}