@struktoai/mirage-core/dist/core/s3/constants.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
export const SCOPE_ERROR = 5000;
export const CONDITION_LOST_CODES = new Set([
    '412',
    'PreconditionFailed',
    '409',
    'ConditionalRequestConflict',
]);
export const DENIED_CODES = new Set(['403', 'AccessDenied']);
// A streamed upload's parts start at PART_SIZE and double every
// PART_DOUBLING parts, so an upload under 8 GiB sends the parts it always
// did and S3's 10,000 parts reach past its 5 TiB object cap; the last
// doubling (4 GiB) stays under its 5 GiB part cap.
export const PART_SIZE = 8 * 1024 * 1024;
export const PART_DOUBLING = 1024;
export const MAX_PARTS = 10000;
// The stores whose ETag is an object's MD5 for a single-part upload kept
// unencrypted, so md5sum can take it instead of reading the object.
export const MD5_ETAG_STORES = new Set([
    's3',
    'r2',
    'gcs',
    'minio',
    'ceph',
    'digitalocean',
    'wasabi',
]);
export const CONDITION_SUPPORT = {
    put: ['absent', 'match'],
    copy: ['absent', 'match'],
    delete: ['match'],
};
export const CUSTOM_CONDITION_SUPPORT = { put: ['absent', 'match'] };
export const AWS_DOMAINS = ['amazonaws.com', 'amazonaws.com.cn'];
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