minio/cmd/gateway-router.go
2017-06-01 09:43:20 -07:00

128 lines
5.2 KiB
Go

/*
* Minio Cloud Storage, (C) 2017 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 cmd
import (
"io"
router "github.com/gorilla/mux"
"github.com/minio/minio-go/pkg/policy"
)
// GatewayLayer - Interface to implement gateway mode.
type GatewayLayer interface {
ObjectLayer
AnonGetObject(bucket, object string, startOffset int64, length int64, writer io.Writer) (err error)
AnonGetObjectInfo(bucket, object string) (objInfo ObjectInfo, err error)
AnonPutObject(bucket string, object string, size int64, data io.Reader, metadata map[string]string, sha256sum string) (ObjectInfo, error)
SetBucketPolicies(string, policy.BucketAccessPolicy) error
GetBucketPolicies(string) (policy.BucketAccessPolicy, error)
DeleteBucketPolicies(string) error
AnonListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
AnonGetBucketInfo(bucket string) (bucketInfo BucketInfo, err error)
}
// Implements and provides http handlers for S3 API.
// Overrides GetObject HeadObject and Policy related handlers.
type gatewayAPIHandlers struct {
objectAPIHandlers
ObjectAPI func() GatewayLayer
}
// registerAPIRouter - registers S3 compatible APIs.
func registerGatewayAPIRouter(mux *router.Router, gw GatewayLayer) {
// Initialize API.
api := gatewayAPIHandlers{
ObjectAPI: func() GatewayLayer { return gw },
objectAPIHandlers: objectAPIHandlers{
ObjectAPI: newObjectLayerFn,
},
}
// API Router
apiRouter := mux.NewRoute().PathPrefix("/").Subrouter()
// Bucket router
bucket := apiRouter.PathPrefix("/{bucket}").Subrouter()
/// Object operations
// HeadObject
bucket.Methods("HEAD").Path("/{object:.+}").HandlerFunc(api.HeadObjectHandler)
// CopyObjectPart
bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(api.CopyObjectPartHandler).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// PutObjectPart
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectPartHandler).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// ListObjectPxarts
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.ListObjectPartsHandler).Queries("uploadId", "{uploadId:.*}")
// CompleteMultipartUpload
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.CompleteMultipartUploadHandler).Queries("uploadId", "{uploadId:.*}")
// NewMultipartUpload
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(api.NewMultipartUploadHandler).Queries("uploads", "")
// AbortMultipartUpload
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(api.AbortMultipartUploadHandler).Queries("uploadId", "{uploadId:.*}")
// GetObject
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(api.GetObjectHandler)
// CopyObject
bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(api.CopyObjectHandler)
// PutObject
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(api.PutObjectHandler)
// DeleteObject
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(api.DeleteObjectHandler)
/// Bucket operations
// GetBucketLocation
bucket.Methods("GET").HandlerFunc(api.GetBucketLocationHandler).Queries("location", "")
// GetBucketPolicy
bucket.Methods("GET").HandlerFunc(api.GetBucketPolicyHandler).Queries("policy", "")
// GetBucketNotification
bucket.Methods("GET").HandlerFunc(api.GetBucketNotificationHandler).Queries("notification", "")
// ListenBucketNotification
bucket.Methods("GET").HandlerFunc(api.ListenBucketNotificationHandler).Queries("events", "{events:.*}")
// ListMultipartUploads
bucket.Methods("GET").HandlerFunc(api.ListMultipartUploadsHandler).Queries("uploads", "")
// ListObjectsV2
bucket.Methods("GET").HandlerFunc(api.ListObjectsV2Handler).Queries("list-type", "2")
// ListObjectsV1 (Legacy)
bucket.Methods("GET").HandlerFunc(api.ListObjectsV1Handler)
// PutBucketPolicy
bucket.Methods("PUT").HandlerFunc(api.PutBucketPolicyHandler).Queries("policy", "")
// PutBucketNotification
bucket.Methods("PUT").HandlerFunc(api.PutBucketNotificationHandler).Queries("notification", "")
// PutBucket
bucket.Methods("PUT").HandlerFunc(api.PutBucketHandler)
// HeadBucket
bucket.Methods("HEAD").HandlerFunc(api.HeadBucketHandler)
// PostPolicy
bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(api.PostPolicyBucketHandler)
// DeleteMultipleObjects
bucket.Methods("POST").HandlerFunc(api.DeleteMultipleObjectsHandler)
// DeleteBucketPolicy
bucket.Methods("DELETE").HandlerFunc(api.DeleteBucketPolicyHandler).Queries("policy", "")
// DeleteBucket
bucket.Methods("DELETE").HandlerFunc(api.DeleteBucketHandler)
/// Root operation
// ListBuckets
apiRouter.Methods("GET").HandlerFunc(api.ListBucketsHandler)
}