rclone/vendor/github.com/aws/aws-sdk-go/service/s3/customizations.go
2019-06-27 13:52:32 +01:00

75 lines
2.6 KiB
Go

package s3
import (
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/internal/s3err"
)
func init() {
initClient = defaultInitClientFn
initRequest = defaultInitRequestFn
}
func defaultInitClientFn(c *client.Client) {
// Support building custom endpoints based on config
c.Handlers.Build.PushFront(updateEndpointForS3Config)
// Require SSL when using SSE keys
c.Handlers.Validate.PushBack(validateSSERequiresSSL)
c.Handlers.Build.PushBack(computeSSEKeyMD5)
c.Handlers.Build.PushBack(computeCopySourceSSEKeyMD5)
// S3 uses custom error unmarshaling logic
c.Handlers.UnmarshalError.Clear()
c.Handlers.UnmarshalError.PushBack(unmarshalError)
c.Handlers.UnmarshalError.PushBackNamed(s3err.RequestFailureWrapperHandler())
}
func defaultInitRequestFn(r *request.Request) {
// Add reuest handlers for specific platforms.
// e.g. 100-continue support for PUT requests using Go 1.6
platformRequestHandlers(r)
switch r.Operation.Name {
case opPutBucketCors, opPutBucketLifecycle, opPutBucketPolicy,
opPutBucketTagging, opDeleteObjects, opPutBucketLifecycleConfiguration,
opPutObjectLegalHold, opPutObjectRetention, opPutObjectLockConfiguration,
opPutBucketReplication:
// These S3 operations require Content-MD5 to be set
r.Handlers.Build.PushBack(contentMD5)
case opGetBucketLocation:
// GetBucketLocation has custom parsing logic
r.Handlers.Unmarshal.PushFront(buildGetBucketLocation)
case opCreateBucket:
// Auto-populate LocationConstraint with current region
r.Handlers.Validate.PushFront(populateLocationConstraint)
case opCopyObject, opUploadPartCopy, opCompleteMultipartUpload:
r.Handlers.Unmarshal.PushFront(copyMultipartStatusOKUnmarhsalError)
r.Handlers.Unmarshal.PushBackNamed(s3err.RequestFailureWrapperHandler())
case opPutObject, opUploadPart:
r.Handlers.Build.PushBack(computeBodyHashes)
// Disabled until #1837 root issue is resolved.
// case opGetObject:
// r.Handlers.Build.PushBack(askForTxEncodingAppendMD5)
// r.Handlers.Unmarshal.PushBack(useMD5ValidationReader)
}
}
// bucketGetter is an accessor interface to grab the "Bucket" field from
// an S3 type.
type bucketGetter interface {
getBucket() string
}
// sseCustomerKeyGetter is an accessor interface to grab the "SSECustomerKey"
// field from an S3 type.
type sseCustomerKeyGetter interface {
getSSECustomerKey() string
}
// copySourceSSECustomerKeyGetter is an accessor interface to grab the
// "CopySourceSSECustomerKey" field from an S3 type.
type copySourceSSECustomerKeyGetter interface {
getCopySourceSSECustomerKey() string
}