Files
seaweedfs/weed/s3api/s3tables/handler_table.go
T
Chris LuandGitHub 1c5f8244a4 s3tables: fix create-after-rename overwriting the renamed table (#10091)
* s3tables: purge decoupled table data without deleting the reused name path

A renamed or created-over-leftover table keeps its data at a location that
differs from its catalog name path. Drop now purges that data location and
clears the marker, instead of recursively deleting the name path, which may
still hold another table's data.

* iceberg: route a table created over a leftover to a unique location

When the default location is occupied by a leftover directory (data kept when
another table was renamed to this name), create the new table at a unique
location so it cannot overwrite that table's metadata. Common case is unchanged.

* iceberg: fail table create when the leftover-path check errors

A transient filer lookup error fell through as "not occupied", routing the
new table back to the default path and risking the very overwrite this check
guards against. Propagate the error and return 500 instead.

* s3tables: assert all catalog xattrs cleared on decoupled drop

Seed the full marker set so the test catches a regression that leaves the
policy, tags, version, or entry-type attribute on the reused name path.

* s3tables: refuse to drop a table whose data path is an ancestor

Corrupt metadata can resolve the data path to the bucket or namespace root,
which the bucket-scope check still admits; a recursive purge there would wipe
sibling tables. Reject an ancestor data path before deleting.
2026-06-24 14:37:04 -07:00

1659 lines
58 KiB
Go

package s3tables
import (
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"strconv"
"strings"
"time"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
// handleCreateTable creates a new table in a namespace
func (h *S3TablesHandler) handleCreateTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req CreateTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN is required")
return fmt.Errorf("tableBucketARN is required")
}
namespaceName, err := validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.Name == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "name is required")
return fmt.Errorf("name is required")
}
if req.Format == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "format is required")
return fmt.Errorf("format is required")
}
// Validate format
if req.Format != "ICEBERG" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "only ICEBERG format is supported")
return fmt.Errorf("invalid format")
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
// Validate table name
tableName, err := validateTableName(req.Name)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
// Check if namespace exists
namespacePath := GetNamespacePath(bucketName, namespaceName)
var namespaceMetadata namespaceMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &namespaceMetadata); err != nil {
return fmt.Errorf("failed to unmarshal namespace metadata: %w", err)
}
return nil
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchNamespace, fmt.Sprintf("namespace %s not found", namespaceName))
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check namespace: %v", err))
}
return err
}
// Authorize table creation using policy framework (namespace + bucket policies)
accountID := h.getAccountID(r)
bucketPath := GetTableBucketPath(bucketName)
namespacePolicy := ""
bucketPolicy := ""
bucketTags := map[string]string{}
var data []byte
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
// Fetch bucket metadata to use correct owner for bucket policy evaluation
data, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %v", err)
}
// Fetch namespace policy if it exists
policyData, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyPolicy)
if err == nil {
namespacePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch namespace policy: %v", err)
}
// Fetch bucket policy if it exists
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %v", err)
}
if tags, err := h.readTags(r.Context(), client, bucketPath); err != nil {
return err
} else if tags != nil {
bucketTags = tags
}
return nil
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to fetch policies: %v", err))
return err
}
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
identityActions := getIdentityActions(r)
nsAllowed := CheckPermissionWithContext("CreateTable", accountID, namespaceMetadata.OwnerAccountID, namespacePolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
RequestTags: req.Tags,
TagKeys: mapKeys(req.Tags),
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("CreateTable", accountID, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
RequestTags: req.Tags,
TagKeys: mapKeys(req.Tags),
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !nsAllowed && !bucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to create table in this namespace")
return ErrAccessDenied
}
tablePath := GetTablePath(bucketName, namespaceName, tableName)
// Check if a table or view already exists at this name. Names are unique
// across tables and views in a namespace.
var existingMetadata tableMetadataInternal
var existingIsView bool
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
entry, err := h.lookupEntry(r.Context(), client, tablePath)
if err != nil {
return err
}
if entryType(entry.Extended) == EntryTypeView {
existingIsView = true
return nil
}
data, ok := entry.Extended[ExtendedKeyMetadata]
if !ok {
return fmt.Errorf("%w: %s", ErrAttributeNotFound, ExtendedKeyMetadata)
}
if unmarshalErr := json.Unmarshal(data, &existingMetadata); unmarshalErr != nil {
return fmt.Errorf("failed to parse existing table metadata: %w", unmarshalErr)
}
return nil
})
if err == nil {
if existingIsView {
h.writeError(w, http.StatusConflict, ErrCodeTableAlreadyExists, fmt.Sprintf("a view named %s already exists", tableName))
return fmt.Errorf("view name conflict: %s", tableName)
}
tableARN := h.generateTableARN(existingMetadata.OwnerAccountID, bucketName, namespaceName+"/"+tableName)
h.writeJSON(w, http.StatusOK, &CreateTableResponse{
TableARN: tableARN,
VersionToken: existingMetadata.VersionToken,
MetadataLocation: existingMetadata.MetadataLocation,
})
return nil
} else if !errors.Is(err, filer_pb.ErrNotFound) && !errors.Is(err, ErrAttributeNotFound) {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check table: %v", err))
return err
}
// Create the table
now := time.Now()
versionToken := generateVersionToken()
metadata := &tableMetadataInternal{
Name: tableName,
Namespace: namespaceName,
Format: req.Format,
CreatedAt: now,
ModifiedAt: now,
OwnerAccountID: namespaceMetadata.OwnerAccountID, // Inherit namespace owner for consistency
VersionToken: versionToken,
MetadataVersion: max(req.MetadataVersion, 1),
MetadataLocation: req.MetadataLocation,
Metadata: req.Metadata,
}
metadataBytes, err := json.Marshal(metadata)
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to marshal table metadata")
return fmt.Errorf("failed to marshal metadata: %w", err)
}
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
// Ensure table directory exists (may already be created by object storage clients)
if err := h.ensureDirectory(r.Context(), client, tablePath); err != nil {
return err
}
// Create data subdirectory for Iceberg files
dataPath := tablePath + "/data"
if err := h.ensureDirectory(r.Context(), client, dataPath); err != nil {
return err
}
// Set metadata as extended attribute
if err := h.setExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata, metadataBytes); err != nil {
return err
}
// Tag the entry as a table so view listings can exclude it.
if err := h.setExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyEntryType, []byte(EntryTypeTable)); err != nil {
return err
}
// Set tags if provided
if len(req.Tags) > 0 {
tagsBytes, err := json.Marshal(req.Tags)
if err != nil {
return fmt.Errorf("failed to marshal tags: %w", err)
}
if err := h.setExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyTags, tagsBytes); err != nil {
return err
}
}
return nil
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to create table")
return err
}
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespaceName+"/"+tableName)
resp := &CreateTableResponse{
TableARN: tableARN,
VersionToken: versionToken,
}
h.writeJSON(w, http.StatusOK, resp)
return nil
}
// metadataVersionFromLocation parses the version N from a metadata location.
// SeaweedFS writes v{N}.metadata.json; Iceberg engines (Spark/Trino/Flink/Java)
// write {NNNNN}-{uuid}.metadata.json with a zero-padded leading version. Returns
// 1 when no version can be parsed.
func metadataVersionFromLocation(metadataLocation string) int {
name := metadataLocation
if idx := strings.LastIndex(name, "/"); idx != -1 {
name = name[idx+1:]
}
name = strings.TrimSuffix(name, ".metadata.json")
// v{N} form
if v, err := strconv.Atoi(strings.TrimPrefix(name, "v")); err == nil && v > 0 {
return v
}
// {NNNNN}-{uuid} form: the leading integer before the first '-'
if idx := strings.IndexByte(name, '-'); idx != -1 {
if v, err := strconv.Atoi(name[:idx]); err == nil && v > 0 {
return v
}
}
return 1
}
// handleRegisterTable registers an existing Iceberg metadata.json under a new
// catalog entry. Unlike CreateTable it does not generate metadata: it points the
// table at the caller-supplied MetadataLocation.
func (h *S3TablesHandler) handleRegisterTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req RegisterTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN is required")
return fmt.Errorf("tableBucketARN is required")
}
namespaceName, err := validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.Name == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "name is required")
return fmt.Errorf("name is required")
}
if req.MetadataLocation == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "metadataLocation is required")
return fmt.Errorf("metadataLocation is required")
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tableName, err := validateTableName(req.Name)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
// Namespace must exist.
namespacePath := GetNamespacePath(bucketName, namespaceName)
var namespaceMetadata namespaceMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &namespaceMetadata); err != nil {
return fmt.Errorf("failed to unmarshal namespace metadata: %w", err)
}
return nil
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchNamespace, fmt.Sprintf("namespace %s not found", namespaceName))
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check namespace: %v", err))
}
return err
}
// Authorize using policy framework (namespace + bucket policies).
accountID := h.getAccountID(r)
bucketPath := GetTableBucketPath(bucketName)
namespacePolicy := ""
bucketPolicy := ""
bucketTags := map[string]string{}
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %v", err)
}
policyData, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyPolicy)
if err == nil {
namespacePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch namespace policy: %v", err)
}
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %v", err)
}
if tags, err := h.readTags(r.Context(), client, bucketPath); err != nil {
return err
} else if tags != nil {
bucketTags = tags
}
return nil
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to fetch policies: %v", err))
return err
}
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
identityActions := getIdentityActions(r)
nsAllowed := CheckPermissionWithContext("CreateTable", accountID, namespaceMetadata.OwnerAccountID, namespacePolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("CreateTable", accountID, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !nsAllowed && !bucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to register table in this namespace")
return ErrAccessDenied
}
tablePath := GetTablePath(bucketName, namespaceName, tableName)
// Table must be absent.
var existingMetadata tableMetadataInternal
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata)
if err != nil {
return err
}
return json.Unmarshal(data, &existingMetadata)
})
if err == nil {
h.writeError(w, http.StatusConflict, ErrCodeTableAlreadyExists, fmt.Sprintf("table %s already exists", tableName))
return fmt.Errorf("table %s already exists", tableName)
} else if !errors.Is(err, filer_pb.ErrNotFound) && !errors.Is(err, ErrAttributeNotFound) {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check table: %v", err))
return err
}
now := time.Now()
versionToken := generateVersionToken()
metadata := &tableMetadataInternal{
Name: tableName,
Namespace: namespaceName,
Format: "ICEBERG",
CreatedAt: now,
ModifiedAt: now,
OwnerAccountID: namespaceMetadata.OwnerAccountID,
VersionToken: versionToken,
MetadataVersion: metadataVersionFromLocation(req.MetadataLocation),
MetadataLocation: req.MetadataLocation,
}
metadataBytes, err := json.Marshal(metadata)
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to marshal table metadata")
return fmt.Errorf("failed to marshal metadata: %w", err)
}
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
if err := h.ensureDirectory(r.Context(), client, tablePath); err != nil {
return err
}
return h.setExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata, metadataBytes)
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to register table")
return err
}
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespaceName+"/"+tableName)
h.writeJSON(w, http.StatusOK, &RegisterTableResponse{
TableARN: tableARN,
VersionToken: versionToken,
MetadataLocation: metadata.MetadataLocation,
})
return nil
}
// handleGetTable gets details of a table
func (h *S3TablesHandler) handleGetTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req GetTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
var bucketName, namespace, tableName string
var err error
// Support getting by ARN or by bucket/namespace/name
if req.TableARN != "" {
bucketName, namespace, tableName, err = parseTableFromARN(req.TableARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
} else if req.TableBucketARN != "" && len(req.Namespace) > 0 && req.Name != "" {
bucketName, err = parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
namespace, err = validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tableName, err = validateTableName(req.Name)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
} else {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "either tableARN or (tableBucketARN, namespace, name) is required")
return fmt.Errorf("missing required parameters")
}
tablePath := GetTablePath(bucketName, namespace, tableName)
var metadata tableMetadataInternal
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
entry, err := h.lookupEntry(r.Context(), client, tablePath)
if err != nil {
return err
}
if entryType(entry.Extended) == EntryTypeView {
return filer_pb.ErrNotFound
}
data, ok := entry.Extended[ExtendedKeyMetadata]
if !ok {
return fmt.Errorf("%w: %s", ErrAttributeNotFound, ExtendedKeyMetadata)
}
if err := json.Unmarshal(data, &metadata); err != nil {
return fmt.Errorf("failed to unmarshal table metadata: %w", err)
}
return nil
})
if err != nil {
// A directory without the table-metadata xattr is not a table (e.g. a renamed-away source).
if errors.Is(err, filer_pb.ErrNotFound) || errors.Is(err, ErrAttributeNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchTable, fmt.Sprintf("table %s not found", tableName))
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to get table: %v", err))
}
return err
}
// Authorize access to the table using policy framework
accountID := h.getAccountID(r)
bucketPath := GetTableBucketPath(bucketName)
tablePolicy := ""
bucketPolicy := ""
bucketTags := map[string]string{}
tableTags := map[string]string{}
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
// Fetch bucket metadata to use correct owner for bucket policy evaluation
data, err := h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %v", err)
}
// Fetch table policy if it exists
policyData, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyPolicy)
if err == nil {
tablePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch table policy: %v", err)
}
if tags, err := h.readTags(r.Context(), client, tablePath); err != nil {
return err
} else if tags != nil {
tableTags = tags
}
// Fetch bucket policy if it exists
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %v", err)
}
if tags, err := h.readTags(r.Context(), client, bucketPath); err != nil {
return err
} else if tags != nil {
bucketTags = tags
}
return nil
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to fetch policies: %v", err))
return err
}
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespace+"/"+tableName)
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
identityActions := getIdentityActions(r)
tableAllowed := CheckPermissionWithContext("GetTable", accountID, metadata.OwnerAccountID, tablePolicy, tableARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespace,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("GetTable", accountID, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespace,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !tableAllowed && !bucketAllowed {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchTable, fmt.Sprintf("table %s not found", tableName))
return ErrAccessDenied
}
resp := &GetTableResponse{
Name: metadata.Name,
TableARN: tableARN,
Namespace: expandNamespace(metadata.Namespace),
Format: metadata.Format,
CreatedAt: metadata.CreatedAt,
ModifiedAt: metadata.ModifiedAt,
OwnerAccountID: metadata.OwnerAccountID,
MetadataLocation: metadata.MetadataLocation,
MetadataVersion: metadata.MetadataVersion,
VersionToken: metadata.VersionToken,
Metadata: metadata.Metadata,
}
h.writeJSON(w, http.StatusOK, resp)
return nil
}
// handleListTables lists all tables in a namespace or bucket
func (h *S3TablesHandler) handleListTables(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req ListTablesRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN is required")
return fmt.Errorf("tableBucketARN is required")
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
maxTables := req.MaxTables
if maxTables <= 0 {
maxTables = 100
}
// Cap to prevent uint32 overflow when used in uint32(maxTables*2)
const maxTablesLimit = 1000
if maxTables > maxTablesLimit {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "MaxTables exceeds maximum allowed value")
return fmt.Errorf("invalid maxTables value: %d", maxTables)
}
// Pre-validate namespace before calling WithFilerClient to return 400 on validation errors
var namespaceName string
if len(req.Namespace) > 0 {
var err error
namespaceName, err = validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
}
var tables []TableSummary
var paginationToken string
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
var err error
accountID := h.getAccountID(r)
if len(req.Namespace) > 0 {
// Namespace has already been validated above
namespacePath := GetNamespacePath(bucketName, namespaceName)
bucketPath := GetTableBucketPath(bucketName)
var nsMeta namespaceMetadata
var bucketMeta tableBucketMetadata
var namespacePolicy, bucketPolicy string
bucketTags := map[string]string{}
// Fetch namespace metadata and policy
data, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyMetadata)
if err != nil {
return err // Not Found handled by caller
}
if err := json.Unmarshal(data, &nsMeta); err != nil {
return err
}
// Fetch namespace policy if it exists
policyData, err := h.getExtendedAttribute(r.Context(), client, namespacePath, ExtendedKeyPolicy)
if err == nil {
namespacePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch namespace policy: %w", err)
}
// Fetch bucket metadata and policy
data, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMeta); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %w", err)
}
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %w", err)
}
if tags, err := h.readTags(r.Context(), client, bucketPath); err != nil {
return fmt.Errorf("failed to read bucket tags: %w", err)
} else if tags != nil {
bucketTags = tags
}
bucketARN := h.generateTableBucketARN(bucketMeta.OwnerAccountID, bucketName)
identityActions := getIdentityActions(r)
nsAllowed := CheckPermissionWithContext("ListTables", accountID, nsMeta.OwnerAccountID, namespacePolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("ListTables", accountID, bucketMeta.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !nsAllowed && !bucketAllowed {
return ErrAccessDenied
}
tables, paginationToken, err = h.listTablesInNamespaceWithClient(r, client, bucketName, namespaceName, req.Prefix, req.ContinuationToken, maxTables)
if err != nil {
return fmt.Errorf("list tables in namespace %v: %w", namespaceName, err)
}
} else {
// List tables across all namespaces in bucket
bucketPath := GetTableBucketPath(bucketName)
var bucketMeta tableBucketMetadata
var bucketPolicy string
bucketTags := map[string]string{}
// Fetch bucket metadata and policy
data, err := h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err != nil {
return fmt.Errorf("failed to fetch bucket metadata: %w", err)
}
if err := json.Unmarshal(data, &bucketMeta); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
// Fetch bucket policy if it exists
policyData, err := h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %w", err)
}
if tags, err := h.readTags(r.Context(), client, bucketPath); err != nil {
return fmt.Errorf("failed to read bucket tags: %w", err)
} else if tags != nil {
bucketTags = tags
}
bucketARN := h.generateTableBucketARN(bucketMeta.OwnerAccountID, bucketName)
identityActions := getIdentityActions(r)
if !CheckPermissionWithContext("ListTables", accountID, bucketMeta.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
}) {
return ErrAccessDenied
}
tables, paginationToken, err = h.listTablesInAllNamespaces(r, client, bucketName, req.Prefix, req.ContinuationToken, maxTables)
if err != nil {
return fmt.Errorf("list tables in all namespaces: %w", err)
}
}
return err
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
// If the bucket or namespace directory is not found, return an empty result
tables = []TableSummary{}
paginationToken = ""
} else if isAuthError(err) {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "Access Denied")
return err
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to list tables: %v", err))
return err
}
}
resp := &ListTablesResponse{
Tables: tables,
ContinuationToken: paginationToken,
}
h.writeJSON(w, http.StatusOK, resp)
return nil
}
// listTablesInNamespaceWithClient lists tables in a specific namespace
func (h *S3TablesHandler) listTablesInNamespaceWithClient(r *http.Request, client filer_pb.SeaweedFilerClient, bucketName, namespaceName, prefix, continuationToken string, maxTables int) ([]TableSummary, string, error) {
namespacePath := GetNamespacePath(bucketName, namespaceName)
return h.listTablesWithClient(r, client, namespacePath, bucketName, namespaceName, prefix, continuationToken, maxTables)
}
func (h *S3TablesHandler) listTablesWithClient(r *http.Request, client filer_pb.SeaweedFilerClient, dirPath, bucketName, namespaceName, prefix, continuationToken string, maxTables int) ([]TableSummary, string, error) {
var tables []TableSummary
lastFileName := continuationToken
ctx := r.Context()
for len(tables) < maxTables {
resp, err := client.ListEntries(ctx, &filer_pb.ListEntriesRequest{
Directory: dirPath,
Limit: uint32(maxTables * 2),
StartFromFileName: lastFileName,
InclusiveStartFrom: lastFileName == "" || lastFileName == continuationToken,
})
if err != nil {
return nil, "", err
}
hasMore := false
for {
entry, respErr := resp.Recv()
if respErr != nil {
if respErr == io.EOF {
break
}
return nil, "", respErr
}
if entry.Entry == nil {
continue
}
// Skip the start item if it was included in the previous page
if len(tables) == 0 && continuationToken != "" && entry.Entry.Name == continuationToken {
continue
}
hasMore = true
lastFileName = entry.Entry.Name
if !entry.Entry.IsDirectory {
continue
}
// Skip hidden entries
if strings.HasPrefix(entry.Entry.Name, ".") {
continue
}
// Apply prefix filter
if prefix != "" && !strings.HasPrefix(entry.Entry.Name, prefix) {
continue
}
// Views share the table layout; exclude them from table listings.
if entryType(entry.Entry.Extended) == EntryTypeView {
continue
}
// Read table metadata from extended attribute
data, ok := entry.Entry.Extended[ExtendedKeyMetadata]
if !ok {
continue
}
var metadata tableMetadataInternal
if err := json.Unmarshal(data, &metadata); err != nil {
continue
}
// Note: Authorization (ownership or policy-based access) is checked at the handler level
// before calling this function. This filter is removed to allow policy-based sharing.
// The caller has already been verified to have ListTables permission for this namespace/bucket.
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespaceName+"/"+entry.Entry.Name)
tables = append(tables, TableSummary{
Name: entry.Entry.Name,
TableARN: tableARN,
Namespace: expandNamespace(namespaceName),
CreatedAt: metadata.CreatedAt,
ModifiedAt: metadata.ModifiedAt,
})
if len(tables) >= maxTables {
return tables, lastFileName, nil
}
}
if !hasMore {
break
}
}
if len(tables) < maxTables {
lastFileName = ""
}
return tables, lastFileName, nil
}
func (h *S3TablesHandler) listTablesInAllNamespaces(r *http.Request, client filer_pb.SeaweedFilerClient, bucketName, prefix, continuationToken string, maxTables int) ([]TableSummary, string, error) {
bucketPath := GetTableBucketPath(bucketName)
ctx := r.Context()
var continuationNamespace string
var startTableName string
if continuationToken != "" {
if parts := strings.SplitN(continuationToken, "/", 2); len(parts) == 2 {
continuationNamespace = parts[0]
startTableName = parts[1]
} else {
continuationNamespace = continuationToken
}
}
var tables []TableSummary
lastNamespace := continuationNamespace
for {
// List namespaces in batches
resp, err := client.ListEntries(ctx, &filer_pb.ListEntriesRequest{
Directory: bucketPath,
Limit: 100,
StartFromFileName: lastNamespace,
InclusiveStartFrom: (lastNamespace == continuationNamespace && startTableName != "") || (lastNamespace == "" && continuationNamespace == ""),
})
if err != nil {
return nil, "", err
}
hasMore := false
for {
entry, respErr := resp.Recv()
if respErr != nil {
if respErr == io.EOF {
break
}
return nil, "", respErr
}
if entry.Entry == nil {
continue
}
hasMore = true
lastNamespace = entry.Entry.Name
if !entry.Entry.IsDirectory || strings.HasPrefix(entry.Entry.Name, ".") {
continue
}
namespace := entry.Entry.Name
tableNameFilter := ""
if namespace == continuationNamespace {
tableNameFilter = startTableName
}
nsTables, nsToken, err := h.listTablesInNamespaceWithClient(r, client, bucketName, namespace, prefix, tableNameFilter, maxTables-len(tables))
if err != nil {
return nil, "", fmt.Errorf("list tables in namespace %s: %w", namespace, err)
}
tables = append(tables, nsTables...)
if namespace == continuationNamespace {
startTableName = ""
}
if len(tables) >= maxTables {
paginationToken := namespace + "/" + nsToken
if nsToken == "" {
// If we hit the limit exactly at the end of a namespace, the next token should be the next namespace
paginationToken = namespace // This will start from the NEXT namespace in the outer loop
}
return tables, paginationToken, nil
}
}
if !hasMore {
break
}
}
return tables, "", nil
}
// handleDeleteTable deletes a table from a namespace
func (h *S3TablesHandler) handleDeleteTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req DeleteTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" || len(req.Namespace) == 0 || req.Name == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN, namespace, and name are required")
return fmt.Errorf("missing required parameters")
}
namespaceName, err := validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tableName, err := validateTableName(req.Name)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tablePath := GetTablePath(bucketName, namespaceName, tableName)
// Check if table exists and enforce VersionToken if provided
var metadata tableMetadataInternal
var tablePolicy string
var bucketPolicy string
var bucketTags map[string]string
var tableTags map[string]string
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &metadata); err != nil {
return fmt.Errorf("failed to unmarshal table metadata: %w", err)
}
if req.VersionToken != "" {
if metadata.VersionToken != req.VersionToken {
return ErrVersionTokenMismatch
}
}
// Fetch table policy if it exists
policyData, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyPolicy)
if err != nil {
if errors.Is(err, ErrAttributeNotFound) {
// No table policy set; proceed with empty policy
} else {
return fmt.Errorf("failed to fetch table policy: %w", err)
}
} else {
tablePolicy = string(policyData)
}
tableTags, err = h.readTags(r.Context(), client, tablePath)
if err != nil {
return err
}
bucketPath := GetTableBucketPath(bucketName)
data, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %w", err)
}
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err != nil {
if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %w", err)
}
} else {
bucketPolicy = string(policyData)
}
bucketTags, err = h.readTags(r.Context(), client, bucketPath)
if err != nil {
return err
}
return nil
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchTable, fmt.Sprintf("table %s not found", tableName))
} else if errors.Is(err, ErrVersionTokenMismatch) {
h.writeError(w, http.StatusConflict, ErrCodeConflict, "version token mismatch")
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check table: %v", err))
}
return err
}
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespaceName+"/"+tableName)
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
principal := h.getAccountID(r)
identityActions := getIdentityActions(r)
tableAllowed := CheckPermissionWithContext("DeleteTable", principal, metadata.OwnerAccountID, tablePolicy, tableARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("DeleteTable", principal, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !tableAllowed && !bucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to delete table")
return NewAuthError("DeleteTable", principal, "not authorized to delete table")
}
// Delete the table
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
dataPath := tableDataDirFromMetadataLocation(metadata.MetadataLocation)
if dataPath != "" && dataPath != tablePath && strings.HasPrefix(dataPath+"/", GetTableBucketPath(bucketName)+"/") {
// Refuse to purge a data path that is an ancestor of the table's own
// name path (e.g. corrupt metadata resolving to the bucket or
// namespace root): the bucket-scope check above still admits the
// bucket root, and a recursive delete there would take out unrelated
// tables.
if strings.HasPrefix(tablePath+"/", dataPath+"/") {
return fmt.Errorf("refusing to delete table %s: data path %q is an ancestor of catalog path %q", tableName, dataPath, tablePath)
}
// Decoupled table (renamed, or created over a leftover): its data
// lives elsewhere. Purge the data, then clear the catalog marker
// without deleting the name path -- it may still hold another
// table's data that was left when this name was reused.
if err := h.deleteDirectory(r.Context(), client, dataPath); err != nil {
return err
}
return h.removeExtendedAttributes(r.Context(), client, tablePath,
ExtendedKeyMetadata, ExtendedKeyMetadataVersion, ExtendedKeyPolicy, ExtendedKeyTags, ExtendedKeyEntryType)
}
// Colocated table: the name path holds the data.
return h.deleteDirectory(r.Context(), client, tablePath)
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to delete table")
return err
}
h.writeJSON(w, http.StatusOK, nil)
return nil
}
// handleRenameTable moves a table's catalog entry to a new namespace/name within
// the same bucket. It is catalog-only: the metadata.json and data files stay put,
// the destination keeps the source's MetadataLocation, and the source name is
// soft-deleted in place (its catalog xattrs are dropped, its data is left intact).
func (h *S3TablesHandler) handleRenameTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req RenameTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" || len(req.SourceNamespace) == 0 || req.SourceName == "" || len(req.DestNamespace) == 0 || req.DestName == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN, sourceNamespace, sourceName, destNamespace, and destName are required")
return fmt.Errorf("missing required parameters")
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
srcNamespace, err := validateNamespace(req.SourceNamespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
srcName, err := validateTableName(req.SourceName)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
destNamespace, err := validateNamespace(req.DestNamespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
destName, err := validateTableName(req.DestName)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
srcPath := GetTablePath(bucketName, srcNamespace, srcName)
destPath := GetTablePath(bucketName, destNamespace, destName)
var metadata tableMetadataInternal
var metadataVersionXattr []byte
var tablePolicy string
var bucketPolicy string
var bucketTags map[string]string
var tableTags map[string]string
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, srcPath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &metadata); err != nil {
return fmt.Errorf("failed to unmarshal table metadata: %w", err)
}
if versionData, err := h.getExtendedAttribute(r.Context(), client, srcPath, ExtendedKeyMetadataVersion); err == nil {
metadataVersionXattr = versionData
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch metadata version: %w", err)
}
policyData, err := h.getExtendedAttribute(r.Context(), client, srcPath, ExtendedKeyPolicy)
if err == nil {
tablePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch table policy: %w", err)
}
tableTags, err = h.readTags(r.Context(), client, srcPath)
if err != nil {
return err
}
bucketPath := GetTableBucketPath(bucketName)
data, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %w", err)
}
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %w", err)
}
bucketTags, err = h.readTags(r.Context(), client, bucketPath)
if err != nil {
return err
}
return nil
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchTable, fmt.Sprintf("table %s not found", srcName))
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check table: %v", err))
}
return err
}
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, srcNamespace+"/"+srcName)
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
principal := h.getAccountID(r)
identityActions := getIdentityActions(r)
tableAllowed := CheckPermissionWithContext("RenameTable", principal, metadata.OwnerAccountID, tablePolicy, tableARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: srcNamespace,
TableName: srcName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("RenameTable", principal, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: srcNamespace,
TableName: srcName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !tableAllowed && !bucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to rename table")
return NewAuthError("RenameTable", principal, "not authorized to rename table")
}
// Require the destination namespace to exist and the destination table to be free.
destNamespacePath := GetNamespacePath(bucketName, destNamespace)
var destNamespaceMetadata namespaceMetadata
var destNamespacePolicy string
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := h.getExtendedAttribute(r.Context(), client, destNamespacePath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &destNamespaceMetadata); err != nil {
return fmt.Errorf("failed to unmarshal destination namespace metadata: %w", err)
}
policyData, err := h.getExtendedAttribute(r.Context(), client, destNamespacePath, ExtendedKeyPolicy)
if err == nil {
destNamespacePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch destination namespace policy: %w", err)
}
if _, err := h.getExtendedAttribute(r.Context(), client, destPath, ExtendedKeyMetadata); err == nil {
return ErrTableAlreadyExists
} else if !errors.Is(err, filer_pb.ErrNotFound) && !errors.Is(err, ErrAttributeNotFound) {
return err
}
return nil
})
if err != nil {
if errors.Is(err, ErrTableAlreadyExists) {
h.writeError(w, http.StatusConflict, ErrCodeTableAlreadyExists, fmt.Sprintf("table %s already exists", destName))
} else if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchNamespace, fmt.Sprintf("namespace %s not found", destNamespace))
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, fmt.Sprintf("failed to check destination: %v", err))
}
return err
}
// Renaming places the table into the destination namespace, so the principal
// must also be allowed to create a table there (the source check alone lets a
// caller move tables into namespaces they don't control).
destNamespaceAllowed := CheckPermissionWithContext("CreateTable", principal, destNamespaceMetadata.OwnerAccountID, destNamespacePolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: destNamespace,
TableName: destName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
destBucketAllowed := CheckPermissionWithContext("CreateTable", principal, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: destNamespace,
TableName: destName,
TableBucketTags: bucketTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !destNamespaceAllowed && !destBucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to create table in the destination namespace")
return NewAuthError("RenameTable", principal, "not authorized to create table in the destination namespace")
}
metadata.Name = destName
metadata.Namespace = destNamespace
metadata.ModifiedAt = time.Now()
metadataBytes, err := json.Marshal(&metadata)
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to marshal table metadata")
return fmt.Errorf("failed to marshal metadata: %w", err)
}
// Write the destination entry before deleting the source so a mid-rename
// failure can never lose the table.
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
if err := h.createDirectory(r.Context(), client, destPath); err != nil {
return err
}
if err := h.setExtendedAttribute(r.Context(), client, destPath, ExtendedKeyMetadata, metadataBytes); err != nil {
return err
}
if len(metadataVersionXattr) > 0 {
if err := h.setExtendedAttribute(r.Context(), client, destPath, ExtendedKeyMetadataVersion, metadataVersionXattr); err != nil {
return err
}
}
if len(tableTags) > 0 {
tagsBytes, err := json.Marshal(tableTags)
if err != nil {
return fmt.Errorf("failed to marshal tags: %w", err)
}
if err := h.setExtendedAttribute(r.Context(), client, destPath, ExtendedKeyTags, tagsBytes); err != nil {
return err
}
}
if tablePolicy != "" {
if err := h.setExtendedAttribute(r.Context(), client, destPath, ExtendedKeyPolicy, []byte(tablePolicy)); err != nil {
return err
}
}
// Soft-delete the source catalog identity in place: drop its catalog xattrs
// so the name stops resolving while the metadata/ and data/ children stay put
// (manifests embed absolute paths, so the data must not move).
return h.removeExtendedAttributes(r.Context(), client, srcPath,
ExtendedKeyMetadata, ExtendedKeyMetadataVersion, ExtendedKeyPolicy, ExtendedKeyTags)
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to rename table")
return err
}
h.writeJSON(w, http.StatusOK, &RenameTableResponse{
TableARN: h.generateTableARN(metadata.OwnerAccountID, bucketName, destNamespace+"/"+destName),
MetadataLocation: metadata.MetadataLocation,
})
return nil
}
// handleUpdateTable updates table metadata
func (h *S3TablesHandler) handleUpdateTable(w http.ResponseWriter, r *http.Request, filerClient FilerClient) error {
var req UpdateTableRequest
if err := h.readRequestBody(r, &req); err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
if req.TableBucketARN == "" || len(req.Namespace) == 0 || req.Name == "" {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, "tableBucketARN, namespace, and name are required")
return fmt.Errorf("missing required parameters")
}
namespaceName, err := validateNamespace(req.Namespace)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
bucketName, err := parseBucketNameFromARN(req.TableBucketARN)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tableName, err := validateTableName(req.Name)
if err != nil {
h.writeError(w, http.StatusBadRequest, ErrCodeInvalidRequest, err.Error())
return err
}
tablePath := GetTablePath(bucketName, namespaceName, tableName)
// Load existing metadata and policies for authorization
var metadata tableMetadataInternal
var tablePolicy string
var bucketPolicy string
var bucketTags map[string]string
var tableTags map[string]string
var bucketMetadata tableBucketMetadata
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
// 1. Get Table Metadata
data, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata)
if err != nil {
return err
}
if err := json.Unmarshal(data, &metadata); err != nil {
return fmt.Errorf("failed to unmarshal table metadata: %w", err)
}
// 2. Get Table Policy & Tags
policyData, err := h.getExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyPolicy)
if err == nil {
tablePolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch table policy: %w", err)
}
tableTags, err = h.readTags(r.Context(), client, tablePath)
if err != nil {
return err
}
// 3. Get Bucket Metadata, Policy & Tags
bucketPath := GetTableBucketPath(bucketName)
data, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyMetadata)
if err == nil {
if err := json.Unmarshal(data, &bucketMetadata); err != nil {
return fmt.Errorf("failed to unmarshal bucket metadata: %w", err)
}
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket metadata: %w", err)
}
policyData, err = h.getExtendedAttribute(r.Context(), client, bucketPath, ExtendedKeyPolicy)
if err == nil {
bucketPolicy = string(policyData)
} else if !errors.Is(err, ErrAttributeNotFound) {
return fmt.Errorf("failed to fetch bucket policy: %w", err)
}
bucketTags, err = h.readTags(r.Context(), client, bucketPath)
if err != nil {
return err
}
return nil
})
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
h.writeError(w, http.StatusNotFound, ErrCodeNoSuchTable, "table not found")
} else {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, err.Error())
}
return err
}
// Authorization Check
tableARN := h.generateTableARN(metadata.OwnerAccountID, bucketName, namespaceName+"/"+tableName)
bucketARN := h.generateTableBucketARN(bucketMetadata.OwnerAccountID, bucketName)
principal := h.getAccountID(r)
identityActions := getIdentityActions(r)
tableAllowed := CheckPermissionWithContext("UpdateTable", principal, metadata.OwnerAccountID, tablePolicy, tableARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
bucketAllowed := CheckPermissionWithContext("UpdateTable", principal, bucketMetadata.OwnerAccountID, bucketPolicy, bucketARN, &PolicyContext{
TableBucketName: bucketName,
Namespace: namespaceName,
TableName: tableName,
TableBucketTags: bucketTags,
ResourceTags: tableTags,
IdentityActions: identityActions,
DefaultAllow: h.defaultAllowFor(r),
})
if !tableAllowed && !bucketAllowed {
h.writeError(w, http.StatusForbidden, ErrCodeAccessDenied, "not authorized to update table")
return NewAuthError("UpdateTable", principal, "not authorized to update table")
}
// Check version token if provided
if req.VersionToken != "" && req.VersionToken != metadata.VersionToken {
h.writeError(w, http.StatusConflict, ErrCodeConflict, "Version token mismatch")
return ErrVersionTokenMismatch
}
// Update metadata
if req.Metadata != nil {
if metadata.Metadata == nil {
metadata.Metadata = &TableMetadata{}
}
if req.Metadata.Iceberg != nil {
if metadata.Metadata.Iceberg == nil {
metadata.Metadata.Iceberg = &IcebergMetadata{}
}
if req.Metadata.Iceberg.TableUUID != "" {
metadata.Metadata.Iceberg.TableUUID = req.Metadata.Iceberg.TableUUID
}
}
if len(req.Metadata.FullMetadata) > 0 {
metadata.Metadata.FullMetadata = req.Metadata.FullMetadata
}
}
if req.MetadataLocation != "" {
metadata.MetadataLocation = req.MetadataLocation
}
if req.MetadataVersion > 0 {
metadata.MetadataVersion = req.MetadataVersion
} else if metadata.MetadataVersion == 0 {
metadata.MetadataVersion = 1
}
metadata.ModifiedAt = time.Now()
metadata.VersionToken = generateVersionToken()
metadataBytes, err := json.Marshal(metadata)
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to marshal metadata")
return err
}
err = filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
if err := h.setExtendedAttribute(r.Context(), client, tablePath, ExtendedKeyMetadata, metadataBytes); err != nil {
return err
}
return nil
})
if err != nil {
h.writeError(w, http.StatusInternalServerError, ErrCodeInternalError, "failed to update metadata")
return err
}
h.writeJSON(w, http.StatusOK, &UpdateTableResponse{
TableARN: tableARN,
MetadataLocation: metadata.MetadataLocation,
VersionToken: metadata.VersionToken,
})
return nil
}