gtsocial-umbx

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constants.go (4251B)

      1 /*
      2  * MinIO Go Library for Amazon S3 Compatible Cloud Storage
      3  * Copyright 2015-2017 MinIO, Inc.
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package minio
     19 
     20 // Multipart upload defaults.
     21 
     22 // absMinPartSize - absolute minimum part size (5 MiB) below which
     23 // a part in a multipart upload may not be uploaded.
     24 const absMinPartSize = 1024 * 1024 * 5
     25 
     26 // minPartSize - minimum part size 16MiB per object after which
     27 // putObject behaves internally as multipart.
     28 const minPartSize = 1024 * 1024 * 16
     29 
     30 // maxPartsCount - maximum number of parts for a single multipart session.
     31 const maxPartsCount = 10000
     32 
     33 // maxPartSize - maximum part size 5GiB for a single multipart upload
     34 // operation.
     35 const maxPartSize = 1024 * 1024 * 1024 * 5
     36 
     37 // maxSinglePutObjectSize - maximum size 5GiB of object per PUT
     38 // operation.
     39 const maxSinglePutObjectSize = 1024 * 1024 * 1024 * 5
     40 
     41 // maxMultipartPutObjectSize - maximum size 5TiB of object for
     42 // Multipart operation.
     43 const maxMultipartPutObjectSize = 1024 * 1024 * 1024 * 1024 * 5
     44 
     45 // unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
     46 // we don't want to sign the request payload
     47 const unsignedPayload = "UNSIGNED-PAYLOAD"
     48 
     49 // unsignedPayloadTrailer value to be set to X-Amz-Content-Sha256 header when
     50 // we don't want to sign the request payload, but have a trailer.
     51 const unsignedPayloadTrailer = "STREAMING-UNSIGNED-PAYLOAD-TRAILER"
     52 
     53 // Total number of parallel workers used for multipart operation.
     54 const totalWorkers = 4
     55 
     56 // Signature related constants.
     57 const (
     58 	signV4Algorithm   = "AWS4-HMAC-SHA256"
     59 	iso8601DateFormat = "20060102T150405Z"
     60 )
     61 
     62 const (
     63 	// Storage class header.
     64 	amzStorageClass = "X-Amz-Storage-Class"
     65 
     66 	// Website redirect location header
     67 	amzWebsiteRedirectLocation = "X-Amz-Website-Redirect-Location"
     68 
     69 	// Object Tagging headers
     70 	amzTaggingHeader          = "X-Amz-Tagging"
     71 	amzTaggingHeaderDirective = "X-Amz-Tagging-Directive"
     72 
     73 	amzVersionID         = "X-Amz-Version-Id"
     74 	amzTaggingCount      = "X-Amz-Tagging-Count"
     75 	amzExpiration        = "X-Amz-Expiration"
     76 	amzRestore           = "X-Amz-Restore"
     77 	amzReplicationStatus = "X-Amz-Replication-Status"
     78 	amzDeleteMarker      = "X-Amz-Delete-Marker"
     79 
     80 	// Object legal hold header
     81 	amzLegalHoldHeader = "X-Amz-Object-Lock-Legal-Hold"
     82 
     83 	// Object retention header
     84 	amzLockMode         = "X-Amz-Object-Lock-Mode"
     85 	amzLockRetainUntil  = "X-Amz-Object-Lock-Retain-Until-Date"
     86 	amzBypassGovernance = "X-Amz-Bypass-Governance-Retention"
     87 
     88 	// Replication status
     89 	amzBucketReplicationStatus = "X-Amz-Replication-Status"
     90 	// Minio specific Replication/lifecycle transition extension
     91 	minIOBucketSourceMTime = "X-Minio-Source-Mtime"
     92 
     93 	minIOBucketSourceETag              = "X-Minio-Source-Etag"
     94 	minIOBucketReplicationDeleteMarker = "X-Minio-Source-DeleteMarker"
     95 	minIOBucketReplicationProxyRequest = "X-Minio-Source-Proxy-Request"
     96 	minIOBucketReplicationRequest      = "X-Minio-Source-Replication-Request"
     97 	// Header indicates last tag update time on source
     98 	minIOBucketReplicationTaggingTimestamp = "X-Minio-Source-Replication-Tagging-Timestamp"
     99 	// Header indicates last retention update time on source
    100 	minIOBucketReplicationObjectRetentionTimestamp = "X-Minio-Source-Replication-Retention-Timestamp"
    101 	// Header indicates last legalhold update time on source
    102 	minIOBucketReplicationObjectLegalHoldTimestamp = "X-Minio-Source-Replication-LegalHold-Timestamp"
    103 	minIOForceDelete                               = "x-minio-force-delete"
    104 	// Header indicates delete marker replication request can be sent by source now.
    105 	minioTgtReplicationReady = "X-Minio-Replication-Ready"
    106 	// Header asks if delete marker replication request can be sent by source now.
    107 	isMinioTgtReplicationReady = "X-Minio-Check-Replication-Ready"
    108 )