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Simplify signature handling

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This change brings a new SignatureHandler where Presigned.
Requests without Payload are handled very early before even
going through the call.

This change simplifies Donut codebase to not have signature related
logic for all API's.

Simplification is still needed for Payload based signature eg. PUT/POST calls
, which are still part of the donut codebase, which will be done subsequently
after donut re-write.
This commit is contained in:
Harshavardhana
2015-10-04 12:06:14 -07:00
parent 3de10f9472
commit cfdb29cac0
13 changed files with 156 additions and 353 deletions
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pkg/donut/interfaces.go
+9 -9
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@@ -34,17 +34,17 @@ type Interface interface {
// CloudStorage is a donut cloud storage interface
type CloudStorage interface {
// Storage service operations
GetBucketMetadata(bucket string, signature *signv4.Signature) (BucketMetadata, *probe.Error)
SetBucketMetadata(bucket string, metadata map[string]string, signature *signv4.Signature) *probe.Error
ListBuckets(signature *signv4.Signature) ([]BucketMetadata, *probe.Error)
GetBucketMetadata(bucket string) (BucketMetadata, *probe.Error)
SetBucketMetadata(bucket string, metadata map[string]string) *probe.Error
ListBuckets() ([]BucketMetadata, *probe.Error)
MakeBucket(bucket string, ACL string, location io.Reader, signature *signv4.Signature) *probe.Error
// Bucket operations
ListObjects(string, BucketResourcesMetadata, *signv4.Signature) ([]ObjectMetadata, BucketResourcesMetadata, *probe.Error)
ListObjects(string, BucketResourcesMetadata) ([]ObjectMetadata, BucketResourcesMetadata, *probe.Error)
// Object operations
GetObject(w io.Writer, bucket, object string, start, length int64) (int64, *probe.Error)
GetObjectMetadata(bucket, object string, signature *signv4.Signature) (ObjectMetadata, *probe.Error)
GetObjectMetadata(bucket, object string) (ObjectMetadata, *probe.Error)
// bucket, object, expectedMD5Sum, size, reader, metadata, signature
CreateObject(string, string, string, int64, io.Reader, map[string]string, *signv4.Signature) (ObjectMetadata, *probe.Error)
@@ -53,12 +53,12 @@ type CloudStorage interface {
// Multipart API
type Multipart interface {
NewMultipartUpload(bucket, key, contentType string, signature *signv4.Signature) (string, *probe.Error)
AbortMultipartUpload(bucket, key, uploadID string, signature *signv4.Signature) *probe.Error
NewMultipartUpload(bucket, key, contentType string) (string, *probe.Error)
AbortMultipartUpload(bucket, key, uploadID string) *probe.Error
CreateObjectPart(string, string, string, int, string, string, int64, io.Reader, *signv4.Signature) (string, *probe.Error)
CompleteMultipartUpload(bucket, key, uploadID string, data io.Reader, signature *signv4.Signature) (ObjectMetadata, *probe.Error)
ListMultipartUploads(string, BucketMultipartResourcesMetadata, *signv4.Signature) (BucketMultipartResourcesMetadata, *probe.Error)
ListObjectParts(string, string, ObjectResourcesMetadata, *signv4.Signature) (ObjectResourcesMetadata, *probe.Error)
ListMultipartUploads(string, BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *probe.Error)
ListObjectParts(string, string, ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error)
}
// Management is a donut management system interface