minio/cmd/api-router.go
Harshavardhana 36d36fab0b
fix: add virtual host style workaround for gorilla/mux issue (#10010)
gorilla/mux broke their recent release 1.7.4 which we
upgraded to, we need the current workaround to ensure
that our regex matches appropriately.

An upstream PR is sent, we should remove the
workaround once we have a new release.
2020-07-10 15:21:32 -07:00

358 lines
17 KiB
Go

/*
* MinIO Cloud Storage, (C) 2016-2020 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 (
"net/http"
"github.com/gorilla/mux"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/pkg/wildcard"
"github.com/rs/cors"
)
func newHTTPServerFn() *xhttp.Server {
globalObjLayerMutex.Lock()
defer globalObjLayerMutex.Unlock()
return globalHTTPServer
}
func newObjectLayerWithoutSafeModeFn() ObjectLayer {
globalObjLayerMutex.Lock()
defer globalObjLayerMutex.Unlock()
return globalObjectAPI
}
func newObjectLayerFn() ObjectLayer {
globalObjLayerMutex.Lock()
defer globalObjLayerMutex.Unlock()
if globalSafeMode {
return nil
}
return globalObjectAPI
}
func newCachedObjectLayerFn() CacheObjectLayer {
globalObjLayerMutex.Lock()
defer globalObjLayerMutex.Unlock()
if globalSafeMode {
return nil
}
return globalCacheObjectAPI
}
// objectAPIHandler implements and provides http handlers for S3 API.
type objectAPIHandlers struct {
ObjectAPI func() ObjectLayer
CacheAPI func() CacheObjectLayer
// Returns true of handlers should interpret encryption.
EncryptionEnabled func() bool
// Returns true if handlers allow SSE-KMS encryption headers.
AllowSSEKMS func() bool
}
// registerAPIRouter - registers S3 compatible APIs.
func registerAPIRouter(router *mux.Router, encryptionEnabled, allowSSEKMS bool) {
// Initialize API.
api := objectAPIHandlers{
ObjectAPI: newObjectLayerFn,
CacheAPI: newCachedObjectLayerFn,
EncryptionEnabled: func() bool {
return encryptionEnabled
},
AllowSSEKMS: func() bool {
return allowSSEKMS
},
}
// API Router
apiRouter := router.PathPrefix(SlashSeparator).Subrouter()
var routers []*mux.Router
for _, domainName := range globalDomainNames {
if globalMinioPort == "80" || globalMinioPort == "443" {
// For standard ports its possible, incoming requests
// might not have a port assigned, in such scenarios use
// have wildcard routing.
// FIXME: remove this code once https://github.com/gorilla/mux/pull/579
// is merged and released upstream, as this entire change can become
// a single line.
routers = append(routers, apiRouter.Host("{bucket:.+}."+domainName).Subrouter())
}
routers = append(routers, apiRouter.Host("{bucket:.+}."+domainName+":{port:.*}").Subrouter())
}
routers = append(routers, apiRouter.PathPrefix("/{bucket}").Subrouter())
for _, bucket := range routers {
// Object operations
// HeadObject
bucket.Methods(http.MethodHead).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("headobject", httpTraceAll(api.HeadObjectHandler))))
// CopyObjectPart
bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp(xhttp.AmzCopySource, ".*?(\\/|%2F).*?").HandlerFunc(maxClients(collectAPIStats("copyobjectpart", httpTraceAll(api.CopyObjectPartHandler)))).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// PutObjectPart
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobjectpart", httpTraceHdrs(api.PutObjectPartHandler)))).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// ListObjectParts
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("listobjectparts", httpTraceAll(api.ListObjectPartsHandler)))).Queries("uploadId", "{uploadId:.*}")
// CompleteMultipartUpload
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("completemutipartupload", httpTraceAll(api.CompleteMultipartUploadHandler)))).Queries("uploadId", "{uploadId:.*}")
// NewMultipartUpload
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("newmultipartupload", httpTraceAll(api.NewMultipartUploadHandler)))).Queries("uploads", "")
// AbortMultipartUpload
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("abortmultipartupload", httpTraceAll(api.AbortMultipartUploadHandler)))).Queries("uploadId", "{uploadId:.*}")
// GetObjectACL - this is a dummy call.
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("getobjectacl", httpTraceHdrs(api.GetObjectACLHandler)))).Queries("acl", "")
// PutObjectACL - this is a dummy call.
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobjectacl", httpTraceHdrs(api.PutObjectACLHandler)))).Queries("acl", "")
// GetObjectTagging
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("getobjecttagging", httpTraceHdrs(api.GetObjectTaggingHandler)))).Queries("tagging", "")
// PutObjectTagging
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobjecttagging", httpTraceHdrs(api.PutObjectTaggingHandler)))).Queries("tagging", "")
// DeleteObjectTagging
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("deleteobjecttagging", httpTraceHdrs(api.DeleteObjectTaggingHandler)))).Queries("tagging", "")
// SelectObjectContent
bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("selectobjectcontent", httpTraceHdrs(api.SelectObjectContentHandler)))).Queries("select", "").Queries("select-type", "2")
// GetObjectRetention
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("getobjectretention", httpTraceAll(api.GetObjectRetentionHandler)))).Queries("retention", "")
// GetObjectLegalHold
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("getobjectlegalhold", httpTraceAll(api.GetObjectLegalHoldHandler)))).Queries("legal-hold", "")
// GetObject
bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("getobject", httpTraceHdrs(api.GetObjectHandler))))
// CopyObject
bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp(xhttp.AmzCopySource, ".*?(\\/|%2F).*?").HandlerFunc(maxClients(collectAPIStats("copyobject", httpTraceAll(api.CopyObjectHandler))))
// PutObjectRetention
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobjectretention", httpTraceAll(api.PutObjectRetentionHandler)))).Queries("retention", "")
// PutObjectLegalHold
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobjectlegalhold", httpTraceAll(api.PutObjectLegalHoldHandler)))).Queries("legal-hold", "")
// PutObject
bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("putobject", httpTraceHdrs(api.PutObjectHandler))))
// DeleteObject
bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
maxClients(collectAPIStats("deleteobject", httpTraceAll(api.DeleteObjectHandler))))
/// Bucket operations
// GetBucketLocation
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketlocation", httpTraceAll(api.GetBucketLocationHandler)))).Queries("location", "")
// GetBucketPolicy
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketpolicy", httpTraceAll(api.GetBucketPolicyHandler)))).Queries("policy", "")
// GetBucketLifecycle
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketlifecycle", httpTraceAll(api.GetBucketLifecycleHandler)))).Queries("lifecycle", "")
// GetBucketEncryption
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketencryption", httpTraceAll(api.GetBucketEncryptionHandler)))).Queries("encryption", "")
// Dummy Bucket Calls
// GetBucketACL -- this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketacl", httpTraceAll(api.GetBucketACLHandler)))).Queries("acl", "")
// PutBucketACL -- this is a dummy call.
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketacl", httpTraceAll(api.PutBucketACLHandler)))).Queries("acl", "")
// GetBucketCors - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketcors", httpTraceAll(api.GetBucketCorsHandler)))).Queries("cors", "")
// GetBucketWebsiteHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketwebsite", httpTraceAll(api.GetBucketWebsiteHandler)))).Queries("website", "")
// GetBucketAccelerateHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketaccelerate", httpTraceAll(api.GetBucketAccelerateHandler)))).Queries("accelerate", "")
// GetBucketRequestPaymentHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketrequestpayment", httpTraceAll(api.GetBucketRequestPaymentHandler)))).Queries("requestPayment", "")
// GetBucketLoggingHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketlogging", httpTraceAll(api.GetBucketLoggingHandler)))).Queries("logging", "")
// GetBucketLifecycleHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketlifecycle", httpTraceAll(api.GetBucketLifecycleHandler)))).Queries("lifecycle", "")
// GetBucketReplicationHandler - this is a dummy call.
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketreplication", httpTraceAll(api.GetBucketReplicationHandler)))).Queries("replication", "")
// GetBucketTaggingHandler
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbuckettagging", httpTraceAll(api.GetBucketTaggingHandler)))).Queries("tagging", "")
//DeleteBucketWebsiteHandler
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebucketwebsite", httpTraceAll(api.DeleteBucketWebsiteHandler)))).Queries("website", "")
// DeleteBucketTaggingHandler
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebuckettagging", httpTraceAll(api.DeleteBucketTaggingHandler)))).Queries("tagging", "")
// GetBucketObjectLockConfig
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketobjectlockconfiguration", httpTraceAll(api.GetBucketObjectLockConfigHandler)))).Queries("object-lock", "")
// GetBucketVersioning
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketversioning", httpTraceAll(api.GetBucketVersioningHandler)))).Queries("versioning", "")
// GetBucketNotification
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("getbucketnotification", httpTraceAll(api.GetBucketNotificationHandler)))).Queries("notification", "")
// ListenBucketNotification
bucket.Methods(http.MethodGet).HandlerFunc(collectAPIStats("listenbucketnotification", httpTraceAll(api.ListenBucketNotificationHandler))).Queries("events", "{events:.*}")
// ListMultipartUploads
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("listmultipartuploads", httpTraceAll(api.ListMultipartUploadsHandler)))).Queries("uploads", "")
// ListObjectsV2M
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("listobjectsv2M", httpTraceAll(api.ListObjectsV2MHandler)))).Queries("list-type", "2", "metadata", "true")
// ListObjectsV2
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("listobjectsv2", httpTraceAll(api.ListObjectsV2Handler)))).Queries("list-type", "2")
// ListObjectVersions
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("listobjectversions", httpTraceAll(api.ListObjectVersionsHandler)))).Queries("versions", "")
// ListObjectsV1 (Legacy)
bucket.Methods(http.MethodGet).HandlerFunc(
maxClients(collectAPIStats("listobjectsv1", httpTraceAll(api.ListObjectsV1Handler))))
// PutBucketLifecycle
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketlifecycle", httpTraceAll(api.PutBucketLifecycleHandler)))).Queries("lifecycle", "")
// PutBucketEncryption
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketencryption", httpTraceAll(api.PutBucketEncryptionHandler)))).Queries("encryption", "")
// PutBucketPolicy
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketpolicy", httpTraceAll(api.PutBucketPolicyHandler)))).Queries("policy", "")
// PutBucketObjectLockConfig
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketobjectlockconfig", httpTraceAll(api.PutBucketObjectLockConfigHandler)))).Queries("object-lock", "")
// PutBucketTaggingHandler
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbuckettagging", httpTraceAll(api.PutBucketTaggingHandler)))).Queries("tagging", "")
// PutBucketVersioning
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketversioning", httpTraceAll(api.PutBucketVersioningHandler)))).Queries("versioning", "")
// PutBucketNotification
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucketnotification", httpTraceAll(api.PutBucketNotificationHandler)))).Queries("notification", "")
// PutBucket
bucket.Methods(http.MethodPut).HandlerFunc(
maxClients(collectAPIStats("putbucket", httpTraceAll(api.PutBucketHandler))))
// HeadBucket
bucket.Methods(http.MethodHead).HandlerFunc(
maxClients(collectAPIStats("headbucket", httpTraceAll(api.HeadBucketHandler))))
// PostPolicy
bucket.Methods(http.MethodPost).HeadersRegexp(xhttp.ContentType, "multipart/form-data*").HandlerFunc(
maxClients(collectAPIStats("postpolicybucket", httpTraceHdrs(api.PostPolicyBucketHandler))))
// DeleteMultipleObjects
bucket.Methods(http.MethodPost).HandlerFunc(
maxClients(collectAPIStats("deletemultipleobjects", httpTraceAll(api.DeleteMultipleObjectsHandler)))).Queries("delete", "")
// DeleteBucketPolicy
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebucketpolicy", httpTraceAll(api.DeleteBucketPolicyHandler)))).Queries("policy", "")
// DeleteBucketLifecycle
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebucketlifecycle", httpTraceAll(api.DeleteBucketLifecycleHandler)))).Queries("lifecycle", "")
// DeleteBucketEncryption
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebucketencryption", httpTraceAll(api.DeleteBucketEncryptionHandler)))).Queries("encryption", "")
// DeleteBucket
bucket.Methods(http.MethodDelete).HandlerFunc(
maxClients(collectAPIStats("deletebucket", httpTraceAll(api.DeleteBucketHandler))))
}
/// Root operation
// ListBuckets
apiRouter.Methods(http.MethodGet).Path(SlashSeparator).HandlerFunc(
maxClients(collectAPIStats("listbuckets", httpTraceAll(api.ListBucketsHandler))))
// S3 browser with signature v4 adds '//' for ListBuckets request, so rather
// than failing with UnknownAPIRequest we simply handle it for now.
apiRouter.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).HandlerFunc(
maxClients(collectAPIStats("listbuckets", httpTraceAll(api.ListBucketsHandler))))
// Supports cors only for S3 handlers
apiRouter.Methods(http.MethodOptions).Path(SlashSeparator).HandlerFunc(
maxClients(collectAPIStats("cors", httpTraceAll(corsHandlerFunc()))))
apiRouter.Methods(http.MethodOptions).Path(SlashSeparator + SlashSeparator).HandlerFunc(
maxClients(collectAPIStats("cors", httpTraceAll(corsHandlerFunc()))))
// If none of the routes match add default error handler routes
apiRouter.NotFoundHandler = http.HandlerFunc(collectAPIStats("notfound", httpTraceAll(errorResponseHandler)))
apiRouter.MethodNotAllowedHandler = http.HandlerFunc(collectAPIStats("methodnotallowed", httpTraceAll(errorResponseHandler)))
}
// setCorsHandler handler for CORS (Cross Origin Resource Sharing)
func corsHandlerFunc() http.HandlerFunc {
commonS3Headers := []string{
xhttp.Date,
xhttp.ETag,
xhttp.ServerInfo,
xhttp.Connection,
xhttp.AcceptRanges,
xhttp.ContentRange,
xhttp.ContentEncoding,
xhttp.ContentLength,
xhttp.ContentType,
"X-Amz*",
"x-amz*",
"*",
}
c := cors.New(cors.Options{
AllowOriginFunc: func(origin string) bool {
for _, allowedOrigin := range globalAPIConfig.getCorsAllowOrigins() {
if wildcard.MatchSimple(allowedOrigin, origin) {
return true
}
}
return false
},
AllowedMethods: []string{
http.MethodGet,
http.MethodPut,
http.MethodHead,
http.MethodPost,
http.MethodDelete,
http.MethodOptions,
http.MethodPatch,
},
AllowedHeaders: commonS3Headers,
ExposedHeaders: commonS3Headers,
AllowCredentials: true,
})
return c.HandlerFunc
}