frostfs-s3-gw/api/headers.go

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package api
import "net/http"
// Standard S3 HTTP request/response constants.
const (
MetadataPrefix = "X-Amz-Meta-"
FrostFSSystemMetadataPrefix = "S3-"
AmzMetadataDirective = "X-Amz-Metadata-Directive"
AmzTaggingDirective = "X-Amz-Tagging-Directive"
AmzVersionID = "X-Amz-Version-Id"
AmzTaggingCount = "X-Amz-Tagging-Count"
AmzTagging = "X-Amz-Tagging"
AmzDeleteMarker = "X-Amz-Delete-Marker"
AmzCopySource = "X-Amz-Copy-Source"
AmzCopySourceRange = "X-Amz-Copy-Source-Range"
AmzDate = "X-Amz-Date"
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"
IfModifiedSince = "If-Modified-Since"
IfUnmodifiedSince = "If-Unmodified-Since"
IfMatch = "If-Match"
IfNoneMatch = "If-None-Match"
AmzContentSha256 = "X-Amz-Content-Sha256"
AmzCopyIfModifiedSince = "X-Amz-Copy-Source-If-Modified-Since"
AmzCopyIfUnmodifiedSince = "X-Amz-Copy-Source-If-Unmodified-Since"
AmzCopyIfMatch = "X-Amz-Copy-Source-If-Match"
AmzCopyIfNoneMatch = "X-Amz-Copy-Source-If-None-Match"
AmzACL = "X-Amz-Acl"
AmzDecodedContentLength = "X-Amz-Decoded-Content-Length"
AmzGrantFullControl = "X-Amz-Grant-Full-Control"
AmzGrantRead = "X-Amz-Grant-Read"
AmzGrantWrite = "X-Amz-Grant-Write"
AmzExpectedBucketOwner = "X-Amz-Expected-Bucket-Owner"
AmzSourceExpectedBucketOwner = "X-Amz-Source-Expected-Bucket-Owner"
AmzBucketObjectLockEnabled = "X-Amz-Bucket-Object-Lock-Enabled"
AmzObjectLockLegalHold = "X-Amz-Object-Lock-Legal-Hold"
AmzObjectLockMode = "X-Amz-Object-Lock-Mode"
AmzObjectLockRetainUntilDate = "X-Amz-Object-Lock-Retain-Until-Date"
AmzBypassGovernanceRetention = "X-Amz-Bypass-Governance-Retention"
AmzObjectAttributes = "X-Amz-Object-Attributes"
AmzMaxParts = "X-Amz-Max-Parts"
AmzPartNumberMarker = "X-Amz-Part-Number-Marker"
AmzStorageClass = "X-Amz-Storage-Class"
AmzForceBucketDelete = "X-Amz-Force-Delete-Bucket"
AmzServerSideEncryptionCustomerAlgorithm = "x-amz-server-side-encryption-customer-algorithm"
AmzServerSideEncryptionCustomerKey = "x-amz-server-side-encryption-customer-key"
AmzServerSideEncryptionCustomerKeyMD5 = "x-amz-server-side-encryption-customer-key-MD5"
AmzCopySourceServerSideEncryptionCustomerAlgorithm = "x-amz-copy-source-server-side-encryption-customer-algorithm"
AmzCopySourceServerSideEncryptionCustomerKey = "x-amz-copy-source-server-side-encryption-customer-key"
AmzCopySourceServerSideEncryptionCustomerKeyMD5 = "x-amz-copy-source-server-side-encryption-customer-key-MD5"
OwnerID = "X-Owner-Id"
ContainerID = "X-Container-Id"
ContainerName = "X-Container-Name"
ContainerZone = "X-Container-Zone"
AccessControlAllowOrigin = "Access-Control-Allow-Origin"
AccessControlAllowMethods = "Access-Control-Allow-Methods"
AccessControlExposeHeaders = "Access-Control-Expose-Headers"
AccessControlAllowHeaders = "Access-Control-Allow-Headers"
AccessControlMaxAge = "Access-Control-Max-Age"
AccessControlAllowCredentials = "Access-Control-Allow-Credentials"
Origin = "Origin"
AccessControlRequestMethod = "Access-Control-Request-Method"
AccessControlRequestHeaders = "Access-Control-Request-Headers"
AwsChunked = "aws-chunked"
Vary = "Vary"
DefaultLocationConstraint = "default"
StreamingContentSHA256 = "STREAMING-AWS4-HMAC-SHA256-PAYLOAD"
StreamingContentV4aSHA256 = "STREAMING-AWS4-ECDSA-P256-SHA256-PAYLOAD"
DefaultStorageClass = "STANDARD"
)
// S3 request query params.
const (
QueryVersionID = "versionId"
)
// ResponseModifiers maps response modifies headers to regular headers.
var ResponseModifiers = map[string]string{
"response-content-type": ContentType,
"response-content-language": ContentLanguage,
"response-expires": Expires,
"response-cache-control": CacheControl,
"response-content-disposition": ContentDisposition,
"response-content-encoding": ContentEncoding,
}
var SystemMetadata = map[string]struct{}{
Date: {},
CacheControl: {},
ContentDisposition: {},
ContentLength: {},
ContentType: {},
LastModified: {},
ETag: {},
ContentLanguage: {},
}
func IsSignedStreamingV4(r *http.Request) (string, bool) {
shaHeader := r.Header.Get(AmzContentSha256)
return shaHeader,
(shaHeader == StreamingContentSHA256 || shaHeader == StreamingContentV4aSHA256) &&
r.Method == http.MethodPut
}