1 files changed, 141 insertions, 0 deletions
diff --git a/weed/util/http_header.go b/weed/util/http_header.go
new file mode 100644
index 000000000..f7633da83
--- /dev/null
+++ b/weed/util/http_header.go
@@ -0,0 +1,141 @@
+/*
+ * MinIO Cloud Storage, (C) 2019 MinIO, Inc.
+ *
+ * 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.
+ */
+
+package util
+
+// 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 user-defined metadata
+	AmzUserMetaPrefix = "X-Amz-Meta-"
+
+	// 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 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"
+	// 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"
+
+	// 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"
+)
+
+// Common http query params S3 API
+const (
+	VersionID = "versionId"
+
+	PartNumber = "partNumber"
+
+	UploadID = "uploadId"
+)