rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/http/headers.go

@@ -0,0 +1,184 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package http
+
+// Standard S3 HTTP response constants
+const (
+	LastModified       = "Last-Modified"
+	Date               = "Date"
+	ETag               = "ETag"
+	ContentType        = "Content-Type"
+	ContentMD5         = "Content-Md5"
+	ContentEncoding    = "Content-Encoding"
+	Expires            = "Expires"
+	ContentLength      = "Content-Length"
+	ContentLanguage    = "Content-Language"
+	ContentRange       = "Content-Range"
+	Connection         = "Connection"
+	AcceptRanges       = "Accept-Ranges"
+	AmzBucketRegion    = "X-Amz-Bucket-Region"
+	ServerInfo         = "Server"
+	RetryAfter         = "Retry-After"
+	Location           = "Location"
+	CacheControl       = "Cache-Control"
+	ContentDisposition = "Content-Disposition"
+	Authorization      = "Authorization"
+	Action             = "Action"
+	Range              = "Range"
+)
+
+// Non standard S3 HTTP response constants
+const (
+	XCache       = "X-Cache"
+	XCacheLookup = "X-Cache-Lookup"
+)
+
+// Standard S3 HTTP request constants
+const (
+	IfModifiedSince   = "If-Modified-Since"
+	IfUnmodifiedSince = "If-Unmodified-Since"
+	IfMatch           = "If-Match"
+	IfNoneMatch       = "If-None-Match"
+
+	// S3 storage class
+	AmzStorageClass = "x-amz-storage-class"
+
+	// S3 object version ID
+	AmzVersionID    = "x-amz-version-id"
+	AmzDeleteMarker = "x-amz-delete-marker"
+
+	// S3 object tagging
+	AmzObjectTagging = "X-Amz-Tagging"
+	AmzTagCount      = "x-amz-tagging-count"
+	AmzTagDirective  = "X-Amz-Tagging-Directive"
+
+	// S3 transition restore
+	AmzRestore            = "x-amz-restore"
+	AmzRestoreExpiryDays  = "X-Amz-Restore-Expiry-Days"
+	AmzRestoreRequestDate = "X-Amz-Restore-Request-Date"
+	AmzRestoreOutputPath  = "x-amz-restore-output-path"
+
+	// S3 extensions
+	AmzCopySourceIfModifiedSince   = "x-amz-copy-source-if-modified-since"
+	AmzCopySourceIfUnmodifiedSince = "x-amz-copy-source-if-unmodified-since"
+
+	AmzCopySourceIfNoneMatch = "x-amz-copy-source-if-none-match"
+	AmzCopySourceIfMatch     = "x-amz-copy-source-if-match"
+
+	AmzCopySource                 = "X-Amz-Copy-Source"
+	AmzCopySourceVersionID        = "X-Amz-Copy-Source-Version-Id"
+	AmzCopySourceRange            = "X-Amz-Copy-Source-Range"
+	AmzMetadataDirective          = "X-Amz-Metadata-Directive"
+	AmzObjectLockMode             = "X-Amz-Object-Lock-Mode"
+	AmzObjectLockRetainUntilDate  = "X-Amz-Object-Lock-Retain-Until-Date"
+	AmzObjectLockLegalHold        = "X-Amz-Object-Lock-Legal-Hold"
+	AmzObjectLockBypassGovernance = "X-Amz-Bypass-Governance-Retention"
+	AmzBucketReplicationStatus    = "X-Amz-Replication-Status"
+	AmzSnowballExtract            = "X-Amz-Meta-Snowball-Auto-Extract"
+
+	// Multipart parts count
+	AmzMpPartsCount = "x-amz-mp-parts-count"
+
+	// Object date/time of expiration
+	AmzExpiration = "x-amz-expiration"
+
+	// Dummy putBucketACL
+	AmzACL = "x-amz-acl"
+
+	// Signature V4 related contants.
+	AmzContentSha256        = "X-Amz-Content-Sha256"
+	AmzDate                 = "X-Amz-Date"
+	AmzAlgorithm            = "X-Amz-Algorithm"
+	AmzExpires              = "X-Amz-Expires"
+	AmzSignedHeaders        = "X-Amz-SignedHeaders"
+	AmzSignature            = "X-Amz-Signature"
+	AmzCredential           = "X-Amz-Credential"
+	AmzSecurityToken        = "X-Amz-Security-Token"
+	AmzDecodedContentLength = "X-Amz-Decoded-Content-Length"
+
+	AmzMetaUnencryptedContentLength = "X-Amz-Meta-X-Amz-Unencrypted-Content-Length"
+	AmzMetaUnencryptedContentMD5    = "X-Amz-Meta-X-Amz-Unencrypted-Content-Md5"
+
+	// AWS server-side encryption headers for SSE-S3, SSE-KMS and SSE-C.
+	AmzServerSideEncryption                      = "X-Amz-Server-Side-Encryption"
+	AmzServerSideEncryptionKmsID                 = AmzServerSideEncryption + "-Aws-Kms-Key-Id"
+	AmzServerSideEncryptionKmsContext            = AmzServerSideEncryption + "-Context"
+	AmzServerSideEncryptionCustomerAlgorithm     = AmzServerSideEncryption + "-Customer-Algorithm"
+	AmzServerSideEncryptionCustomerKey           = AmzServerSideEncryption + "-Customer-Key"
+	AmzServerSideEncryptionCustomerKeyMD5        = AmzServerSideEncryption + "-Customer-Key-Md5"
+	AmzServerSideEncryptionCopyCustomerAlgorithm = "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm"
+	AmzServerSideEncryptionCopyCustomerKey       = "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key"
+	AmzServerSideEncryptionCopyCustomerKeyMD5    = "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key-Md5"
+
+	AmzEncryptionAES = "AES256"
+	AmzEncryptionKMS = "aws:kms"
+
+	// Signature v2 related constants
+	AmzSignatureV2 = "Signature"
+	AmzAccessKeyID = "AWSAccessKeyId"
+
+	// Response request id.
+	AmzRequestID = "x-amz-request-id"
+
+	// Deployment id.
+	MinioDeploymentID = "x-minio-deployment-id"
+
+	// Server-Status
+	MinIOServerStatus = "x-minio-server-status"
+
+	// Delete special flag to force delete a bucket
+	MinIOForceDelete = "x-minio-force-delete"
+
+	// Header indicates if the mtime should be preserved by client
+	MinIOSourceMTime = "x-minio-source-mtime"
+
+	// Header indicates if the etag should be preserved by client
+	MinIOSourceETag = "x-minio-source-etag"
+
+	// Writes expected write quorum
+	MinIOWriteQuorum = "x-minio-write-quorum"
+
+	// Reports number of drives currently healing
+	MinIOHealingDrives = "x-minio-healing-drives"
+
+	// Header indicates if the delete marker should be preserved by client
+	MinIOSourceDeleteMarker = "x-minio-source-deletemarker"
+
+	// Header indicates if the delete marker version needs to be purged.
+	MinIOSourceDeleteMarkerDelete = "x-minio-source-deletemarker-delete"
+
+	// Header indicates permanent delete replication status.
+	MinIODeleteReplicationStatus = "X-Minio-Replication-Delete-Status"
+	// Header indicates delete-marker replication status.
+	MinIODeleteMarkerReplicationStatus = "X-Minio-Replication-DeleteMarker-Status"
+	// Header indicates if its a GET/HEAD proxy request for active-active replication
+	MinIOSourceProxyRequest = "X-Minio-Source-Proxy-Request"
+	// Header indicates that this request is a replication request to create a REPLICA
+	MinIOSourceReplicationRequest = "X-Minio-Source-Replication-Request"
+	// predicted date/time of transition
+	MinIOTransition = "X-Minio-Transition"
+)
+
+// Common http query params S3 API
+const (
+	VersionID = "versionId"
+
+	PartNumber = "partNumber"
+
+	UploadID = "uploadId"
+)