frostfs-s3-gw/api/router.go

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package api
import (
"context"
"net/http"
"sync"
"github.com/google/uuid"
"github.com/gorilla/mux"
"github.com/nspcc-dev/neofs-s3-gw/api/auth"
"github.com/nspcc-dev/neofs-s3-gw/api/metrics"
"go.uber.org/zap"
"google.golang.org/grpc/metadata"
)
type (
// Handler is an S3 API handler interface.
Handler interface {
HeadObjectHandler(http.ResponseWriter, *http.Request)
CopyObjectPartHandler(http.ResponseWriter, *http.Request)
PutObjectPartHandler(http.ResponseWriter, *http.Request)
ListObjectPartsHandler(http.ResponseWriter, *http.Request)
CompleteMultipartUploadHandler(http.ResponseWriter, *http.Request)
NewMultipartUploadHandler(http.ResponseWriter, *http.Request)
AbortMultipartUploadHandler(http.ResponseWriter, *http.Request)
GetObjectACLHandler(http.ResponseWriter, *http.Request)
PutObjectACLHandler(http.ResponseWriter, *http.Request)
GetObjectTaggingHandler(http.ResponseWriter, *http.Request)
PutObjectTaggingHandler(http.ResponseWriter, *http.Request)
DeleteObjectTaggingHandler(http.ResponseWriter, *http.Request)
SelectObjectContentHandler(http.ResponseWriter, *http.Request)
GetObjectRetentionHandler(http.ResponseWriter, *http.Request)
GetObjectLegalHoldHandler(http.ResponseWriter, *http.Request)
GetObjectHandler(http.ResponseWriter, *http.Request)
CopyObjectHandler(http.ResponseWriter, *http.Request)
PutObjectRetentionHandler(http.ResponseWriter, *http.Request)
PutObjectLegalHoldHandler(http.ResponseWriter, *http.Request)
PutObjectHandler(http.ResponseWriter, *http.Request)
DeleteObjectHandler(http.ResponseWriter, *http.Request)
GetBucketLocationHandler(http.ResponseWriter, *http.Request)
GetBucketPolicyHandler(http.ResponseWriter, *http.Request)
GetBucketLifecycleHandler(http.ResponseWriter, *http.Request)
GetBucketEncryptionHandler(http.ResponseWriter, *http.Request)
GetBucketACLHandler(http.ResponseWriter, *http.Request)
PutBucketACLHandler(http.ResponseWriter, *http.Request)
GetBucketCorsHandler(http.ResponseWriter, *http.Request)
GetBucketWebsiteHandler(http.ResponseWriter, *http.Request)
GetBucketAccelerateHandler(http.ResponseWriter, *http.Request)
GetBucketRequestPaymentHandler(http.ResponseWriter, *http.Request)
GetBucketLoggingHandler(http.ResponseWriter, *http.Request)
GetBucketReplicationHandler(http.ResponseWriter, *http.Request)
GetBucketTaggingHandler(http.ResponseWriter, *http.Request)
DeleteBucketWebsiteHandler(http.ResponseWriter, *http.Request)
DeleteBucketTaggingHandler(http.ResponseWriter, *http.Request)
GetBucketObjectLockConfigHandler(http.ResponseWriter, *http.Request)
GetBucketVersioningHandler(http.ResponseWriter, *http.Request)
GetBucketNotificationHandler(http.ResponseWriter, *http.Request)
ListenBucketNotificationHandler(http.ResponseWriter, *http.Request)
ListMultipartUploadsHandler(http.ResponseWriter, *http.Request)
ListObjectsV2MHandler(http.ResponseWriter, *http.Request)
ListObjectsV2Handler(http.ResponseWriter, *http.Request)
ListBucketObjectVersionsHandler(http.ResponseWriter, *http.Request)
ListObjectsV1Handler(http.ResponseWriter, *http.Request)
PutBucketLifecycleHandler(http.ResponseWriter, *http.Request)
PutBucketEncryptionHandler(http.ResponseWriter, *http.Request)
PutBucketPolicyHandler(http.ResponseWriter, *http.Request)
PutBucketObjectLockConfigHandler(http.ResponseWriter, *http.Request)
PutBucketTaggingHandler(http.ResponseWriter, *http.Request)
PutBucketVersioningHandler(http.ResponseWriter, *http.Request)
PutBucketNotificationHandler(http.ResponseWriter, *http.Request)
PutBucketHandler(http.ResponseWriter, *http.Request)
HeadBucketHandler(http.ResponseWriter, *http.Request)
PostPolicyBucketHandler(http.ResponseWriter, *http.Request)
DeleteMultipleObjectsHandler(http.ResponseWriter, *http.Request)
DeleteBucketPolicyHandler(http.ResponseWriter, *http.Request)
DeleteBucketLifecycleHandler(http.ResponseWriter, *http.Request)
DeleteBucketEncryptionHandler(http.ResponseWriter, *http.Request)
DeleteBucketHandler(http.ResponseWriter, *http.Request)
ListBucketsHandler(http.ResponseWriter, *http.Request)
}
// mimeType represents various MIME type used API responses.
mimeType string
logResponseWriter struct {
sync.Once
http.ResponseWriter
statusCode int
}
)
const (
// SlashSeparator - slash separator.
SlashSeparator = "/"
// MimeNone means no response type.
MimeNone mimeType = ""
// MimeXML means response type is XML.
MimeXML mimeType = "application/xml"
)
var _ = logErrorResponse
func (lrw *logResponseWriter) WriteHeader(code int) {
lrw.Do(func() {
lrw.statusCode = code
lrw.ResponseWriter.WriteHeader(code)
})
}
func setRequestID(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// generate random UUIDv4
id, _ := uuid.NewRandom()
// set request id into response header
w.Header().Set(hdrAmzRequestID, id.String())
// set request id into gRPC meta header
r = r.WithContext(metadata.AppendToOutgoingContext(
r.Context(), hdrAmzRequestID, id.String(),
))
// set request info into context
r = r.WithContext(prepareContext(w, r))
// continue execution
h.ServeHTTP(w, r)
})
}
func logErrorResponse(l *zap.Logger) mux.MiddlewareFunc {
return func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
lw := &logResponseWriter{ResponseWriter: w}
// pass execution:
h.ServeHTTP(lw, r)
// Ignore <300 status codes
if lw.statusCode >= http.StatusMultipleChoices {
l.Error("something went wrong",
zap.Int("status", lw.statusCode),
zap.String("request_id", GetRequestID(r.Context())),
zap.String("method", mux.CurrentRoute(r).GetName()),
zap.String("description", http.StatusText(lw.statusCode)))
return
}
l.Info("call method",
zap.Int("status", lw.statusCode),
zap.String("request_id", GetRequestID(r.Context())),
zap.String("method", mux.CurrentRoute(r).GetName()),
zap.String("description", http.StatusText(lw.statusCode)))
})
}
}
// GetRequestID returns request ID from response writer or context.
func GetRequestID(v interface{}) string {
switch t := v.(type) {
case context.Context:
return GetReqInfo(t).RequestID
case http.ResponseWriter:
return t.Header().Get(hdrAmzRequestID)
default:
panic("unknown type")
}
}
// Attach adds S3 API handlers from h to r for domains with m client limit using
// center authentication and log logger.
func Attach(r *mux.Router, domains []string, m MaxClients, h Handler, center auth.Center, log *zap.Logger) {
api := r.PathPrefix(SlashSeparator).Subrouter()
api.Use(
// -- prepare request
setRequestID,
// -- logging error requests
logErrorResponse(log),
)
// Attach user authentication for all S3 routes.
AttachUserAuth(api, center, log)
buckets := make([]*mux.Router, 0, len(domains)+1)
buckets = append(buckets, api.PathPrefix("/{bucket}").Subrouter())
for _, domain := range domains {
buckets = append(buckets, api.Host("{bucket:.+}."+domain).Subrouter())
}
for _, bucket := range buckets {
// Object operations
// HeadObject
bucket.Methods(http.MethodHead).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("headobject", h.HeadObjectHandler))).Name("HeadObject")
// CopyObjectPart
bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp(hdrAmzCopySource, ".*?(\\/|%2F).*?").HandlerFunc(m.Handle(metrics.APIStats("copyobjectpart", h.CopyObjectPartHandler))).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}").
Name("CopyObjectPart")
// PutObjectPart
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobjectpart", h.PutObjectPartHandler))).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}").
Name("PutObjectObject")
// ListObjectParts
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("listobjectparts", h.ListObjectPartsHandler))).Queries("uploadId", "{uploadId:.*}").
Name("ListObjectParts")
// CompleteMultipartUpload
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("completemutipartupload", h.CompleteMultipartUploadHandler))).Queries("uploadId", "{uploadId:.*}").
Name("CompleteMultipartUpload")
// NewMultipartUpload
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("newmultipartupload", h.NewMultipartUploadHandler))).Queries("uploads", "").
Name("NewMultipartUpload")
// AbortMultipartUpload
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("abortmultipartupload", h.AbortMultipartUploadHandler))).Queries("uploadId", "{uploadId:.*}").
Name("AbortMultipartUpload")
// GetObjectACL - this is a dummy call.
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("getobjectacl", h.GetObjectACLHandler))).Queries("acl", "").
Name("GetObjectACL")
// PutObjectACL - this is a dummy call.
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobjectacl", h.PutObjectACLHandler))).Queries("acl", "").
Name("PutObjectACL")
// GetObjectTagging
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("getobjecttagging", h.GetObjectTaggingHandler))).Queries("tagging", "").
Name("GetObjectTagging")
// PutObjectTagging
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobjecttagging", h.PutObjectTaggingHandler))).Queries("tagging", "").
Name("PutObjectTagging")
// DeleteObjectTagging
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("deleteobjecttagging", h.DeleteObjectTaggingHandler))).Queries("tagging", "").
Name("DeleteObjectTagging")
// SelectObjectContent
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("selectobjectcontent", h.SelectObjectContentHandler))).Queries("select", "").Queries("select-type", "2").
Name("SelectObjectContent")
// GetObjectRetention
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("getobjectretention", h.GetObjectRetentionHandler))).Queries("retention", "").
Name("GetObjectRetention")
// GetObjectLegalHold
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("getobjectlegalhold", h.GetObjectLegalHoldHandler))).Queries("legal-hold", "").
Name("GetObjectLegalHold")
// GetObject
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("getobject", h.GetObjectHandler))).
Name("GetObject")
// CopyObject
bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp(hdrAmzCopySource, ".*?(\\/|%2F).*?").HandlerFunc(m.Handle(metrics.APIStats("copyobject", h.CopyObjectHandler))).
Name("CopyObject")
// PutObjectRetention
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobjectretention", h.PutObjectRetentionHandler))).Queries("retention", "").
Name("PutObjectRetention")
// PutObjectLegalHold
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobjectlegalhold", h.PutObjectLegalHoldHandler))).Queries("legal-hold", "").
Name("PutObjectLegalHold")
// PutObject
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("putobject", h.PutObjectHandler))).
Name("PutObject")
// DeleteObject
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
m.Handle(metrics.APIStats("deleteobject", h.DeleteObjectHandler))).
Name("DeleteObject")
// Bucket operations
// GetBucketLocation
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketlocation", h.GetBucketLocationHandler))).Queries("location", "").
Name("GetBucketLocation")
// GetBucketPolicy
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketpolicy", h.GetBucketPolicyHandler))).Queries("policy", "").
Name("GetBucketPolicy")
// GetBucketLifecycle
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketlifecycle", h.GetBucketLifecycleHandler))).Queries("lifecycle", "").
Name("GetBucketLifecycle")
// GetBucketEncryption
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketencryption", h.GetBucketEncryptionHandler))).Queries("encryption", "").
Name("GetBucketEncryption")
// Dummy Bucket Calls
// GetBucketACL -- this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketacl", h.GetBucketACLHandler))).Queries("acl", "").
Name("GetBucketACL")
// PutBucketACL -- this is a dummy call.
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketacl", h.PutBucketACLHandler))).Queries("acl", "").
Name("PutBucketACL")
// GetBucketCors - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketcors", h.GetBucketCorsHandler))).Queries("cors", "").
Name("GetBucketCors")
// GetBucketWebsiteHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketwebsite", h.GetBucketWebsiteHandler))).Queries("website", "").
Name("GetBucketWebsite")
// GetBucketAccelerateHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketaccelerate", h.GetBucketAccelerateHandler))).Queries("accelerate", "").
Name("GetBucketAccelerate")
// GetBucketRequestPaymentHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketrequestpayment", h.GetBucketRequestPaymentHandler))).Queries("requestPayment", "").
Name("GetBucketRequestPayment")
// GetBucketLoggingHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketlogging", h.GetBucketLoggingHandler))).Queries("logging", "").
Name("GetBucketLogging")
// GetBucketLifecycleHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketlifecycle", h.GetBucketLifecycleHandler))).Queries("lifecycle", "").
Name("GetBucketLifecycle")
// GetBucketReplicationHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketreplication", h.GetBucketReplicationHandler))).Queries("replication", "").
Name("GetBucketReplication")
// GetBucketTaggingHandler
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbuckettagging", h.GetBucketTaggingHandler))).Queries("tagging", "").
Name("GetBucketTagging")
// DeleteBucketWebsiteHandler
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebucketwebsite", h.DeleteBucketWebsiteHandler))).Queries("website", "").
Name("DeleteBucketWebsite")
// DeleteBucketTaggingHandler
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebuckettagging", h.DeleteBucketTaggingHandler))).Queries("tagging", "").
Name("DeleteBucketTagging")
// GetBucketObjectLockConfig
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketobjectlockconfiguration", h.GetBucketObjectLockConfigHandler))).Queries("object-lock", "").
Name("GetBucketObjectLockConfig")
// GetBucketVersioning
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketversioning", h.GetBucketVersioningHandler))).Queries("versioning", "").
Name("GetBucketVersioning")
// GetBucketNotification
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("getbucketnotification", h.GetBucketNotificationHandler))).Queries("notification", "").
Name("GetBucketNotification")
// ListenBucketNotification
bucket.Methods(http.MethodGet).HandlerFunc(metrics.APIStats("listenbucketnotification", h.ListenBucketNotificationHandler)).Queries("events", "{events:.*}").
Name("ListenBucketNotification")
// ListMultipartUploads
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("listmultipartuploads", h.ListMultipartUploadsHandler))).Queries("uploads", "").
Name("ListMultipartUploads")
// ListObjectsV2M
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("listobjectsv2M", h.ListObjectsV2MHandler))).Queries("list-type", "2", "metadata", "true").
Name("ListObjectsV2M")
// ListObjectsV2
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("listobjectsv2", h.ListObjectsV2Handler))).Queries("list-type", "2").
Name("ListObjectsV2")
// ListBucketVersions
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("listbucketversions", h.ListBucketObjectVersionsHandler))).Queries("versions", "").
Name("ListBucketVersions")
// ListObjectsV1 (Legacy)
bucket.Methods(http.MethodGet).HandlerFunc(
m.Handle(metrics.APIStats("listobjectsv1", h.ListObjectsV1Handler))).
Name("ListObjectsV1")
// PutBucketLifecycle
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketlifecycle", h.PutBucketLifecycleHandler))).Queries("lifecycle", "").
Name("PutBucketLifecycle")
// PutBucketEncryption
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketencryption", h.PutBucketEncryptionHandler))).Queries("encryption", "").
Name("PutBucketEncryption")
// PutBucketPolicy
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketpolicy", h.PutBucketPolicyHandler))).Queries("policy", "").
Name("PutBucketPolicy")
// PutBucketObjectLockConfig
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketobjectlockconfig", h.PutBucketObjectLockConfigHandler))).Queries("object-lock", "").
Name("PutBucketObjectLockConfig")
// PutBucketTaggingHandler
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbuckettagging", h.PutBucketTaggingHandler))).Queries("tagging", "").
Name("PutBucketTagging")
// PutBucketVersioning
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketversioning", h.PutBucketVersioningHandler))).Queries("versioning", "").
Name("PutBucketVersioning")
// PutBucketNotification
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucketnotification", h.PutBucketNotificationHandler))).Queries("notification", "").
Name("PutBucketNotification")
// PutBucket
bucket.Methods(http.MethodPut).HandlerFunc(
m.Handle(metrics.APIStats("putbucket", h.PutBucketHandler))).
Name("PutBucket")
// HeadBucket
bucket.Methods(http.MethodHead).HandlerFunc(
m.Handle(metrics.APIStats("headbucket", h.HeadBucketHandler))).
Name("HeadBucket")
// PostPolicy
bucket.Methods(http.MethodPost).HeadersRegexp(hdrContentType, "multipart/form-data*").HandlerFunc(
m.Handle(metrics.APIStats("postpolicybucket", h.PostPolicyBucketHandler))).
Name("PostPolicyBucket")
// DeleteMultipleObjects
bucket.Methods(http.MethodPost).HandlerFunc(
m.Handle(metrics.APIStats("deletemultipleobjects", h.DeleteMultipleObjectsHandler))).Queries("delete", "").
Name("DeleteMultipleObjects")
// DeleteBucketPolicy
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebucketpolicy", h.DeleteBucketPolicyHandler))).Queries("policy", "").
Name("DeleteBucketPolicy")
// DeleteBucketLifecycle
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebucketlifecycle", h.DeleteBucketLifecycleHandler))).Queries("lifecycle", "").
Name("DeleteBucketLifecycle")
// DeleteBucketEncryption
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebucketencryption", h.DeleteBucketEncryptionHandler))).Queries("encryption", "").
Name("DeleteBucketEncryption")
// DeleteBucket
bucket.Methods(http.MethodDelete).HandlerFunc(
m.Handle(metrics.APIStats("deletebucket", h.DeleteBucketHandler))).
Name("DeleteBucket")
}
// Root operation
// ListBuckets
api.Methods(http.MethodGet).Path(SlashSeparator).HandlerFunc(
m.Handle(metrics.APIStats("listbuckets", h.ListBucketsHandler))).
Name("ListBuckets")
// S3 browser with signature v4 adds '//' for ListBuckets request, so rather
// than failing with UnknownAPIRequest we simply handle it for now.
api.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).HandlerFunc(
m.Handle(metrics.APIStats("listbuckets", h.ListBucketsHandler))).
Name("ListBuckets")
// If none of the routes match add default error handler routes
api.NotFoundHandler = metrics.APIStats("notfound", errorResponseHandler)
api.MethodNotAllowedHandler = metrics.APIStats("methodnotallowed", errorResponseHandler)
}