seaweedfs/weed/s3api/s3api_server.go

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package s3api
import (
"fmt"
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"net/http"
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"github.com/gorilla/mux"
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"google.golang.org/grpc"
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)
type S3ApiServerOption struct {
Filer string
Port int
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FilerGrpcAddress string
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Config string
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DomainName string
BucketsPath string
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GrpcDialOption grpc.DialOption
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}
type S3ApiServer struct {
option *S3ApiServerOption
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iam *IdentityAccessManagement
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}
func NewS3ApiServer(router *mux.Router, option *S3ApiServerOption) (s3ApiServer *S3ApiServer, err error) {
s3ApiServer = &S3ApiServer{
option: option,
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iam: NewIdentityAccessManagement(option.Config, option.DomainName),
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}
s3ApiServer.registerRouter(router)
return s3ApiServer, nil
}
func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
// API Router
apiRouter := router.PathPrefix("/").Subrouter()
var routers []*mux.Router
if s3a.option.DomainName != "" {
routers = append(routers, apiRouter.Host(
fmt.Sprintf("%s.%s:%d", "{bucket:.+}", s3a.option.DomainName, s3a.option.Port)).Subrouter())
routers = append(routers, apiRouter.Host(
fmt.Sprintf("%s.%s", "{bucket:.+}", s3a.option.DomainName)).Subrouter())
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}
routers = append(routers, apiRouter.PathPrefix("/{bucket}").Subrouter())
for _, bucket := range routers {
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// HeadObject
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bucket.Methods("HEAD").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.HeadObjectHandler, ACTION_READ))
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// HeadBucket
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bucket.Methods("HEAD").HandlerFunc(s3a.iam.Auth(s3a.HeadBucketHandler, ACTION_ADMIN))
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// CopyObjectPart
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bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(s3a.iam.Auth(s3a.CopyObjectPartHandler, ACTION_WRITE)).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// PutObjectPart
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bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.PutObjectPartHandler, ACTION_WRITE)).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// CompleteMultipartUpload
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bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.CompleteMultipartUploadHandler, ACTION_WRITE)).Queries("uploadId", "{uploadId:.*}")
// NewMultipartUpload
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bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.NewMultipartUploadHandler, ACTION_WRITE)).Queries("uploads", "")
// AbortMultipartUpload
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bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.AbortMultipartUploadHandler, ACTION_WRITE)).Queries("uploadId", "{uploadId:.*}")
// ListObjectParts
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bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.ListObjectPartsHandler, ACTION_WRITE)).Queries("uploadId", "{uploadId:.*}")
// ListMultipartUploads
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bucket.Methods("GET").HandlerFunc(s3a.iam.Auth(s3a.ListMultipartUploadsHandler, ACTION_WRITE)).Queries("uploads", "")
// CopyObject
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bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(s3a.iam.Auth(s3a.CopyObjectHandler, ACTION_WRITE))
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// PutObject
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bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.PutObjectHandler, ACTION_WRITE))
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// PutBucket
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bucket.Methods("PUT").HandlerFunc(s3a.iam.Auth(s3a.PutBucketHandler, ACTION_ADMIN))
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// DeleteObject
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bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.DeleteObjectHandler, ACTION_WRITE))
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// DeleteBucket
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bucket.Methods("DELETE").HandlerFunc(s3a.iam.Auth(s3a.DeleteBucketHandler, ACTION_WRITE))
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// ListObjectsV2
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bucket.Methods("GET").HandlerFunc(s3a.iam.Auth(s3a.ListObjectsV2Handler, ACTION_READ)).Queries("list-type", "2")
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// GetObject, but directory listing is not supported
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bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.GetObjectHandler, ACTION_READ))
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// ListObjectsV1 (Legacy)
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bucket.Methods("GET").HandlerFunc(s3a.iam.Auth(s3a.ListObjectsV1Handler, ACTION_READ))
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// DeleteMultipleObjects
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bucket.Methods("POST").HandlerFunc(s3a.iam.Auth(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE)).Queries("delete", "")
/*
// not implemented
// GetBucketLocation
bucket.Methods("GET").HandlerFunc(s3a.GetBucketLocationHandler).Queries("location", "")
// GetBucketPolicy
bucket.Methods("GET").HandlerFunc(s3a.GetBucketPolicyHandler).Queries("policy", "")
// GetObjectACL
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(s3a.GetObjectACLHandler).Queries("acl", "")
// GetBucketACL
bucket.Methods("GET").HandlerFunc(s3a.GetBucketACLHandler).Queries("acl", "")
// PutBucketPolicy
bucket.Methods("PUT").HandlerFunc(s3a.PutBucketPolicyHandler).Queries("policy", "")
// DeleteBucketPolicy
bucket.Methods("DELETE").HandlerFunc(s3a.DeleteBucketPolicyHandler).Queries("policy", "")
// PostPolicy
bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(s3a.PostPolicyBucketHandler)
*/
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}
// ListBuckets
apiRouter.Methods("GET").Path("/").HandlerFunc(s3a.iam.Auth(s3a.ListBucketsHandler, ACTION_READ))
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// NotFound
apiRouter.NotFoundHandler = http.HandlerFunc(notFoundHandler)
}