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386 lines
18 KiB
386 lines
18 KiB
/*
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* MinIO Cloud Storage, (C) 2016-2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"net"
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"net/http"
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"github.com/gorilla/mux"
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xhttp "github.com/minio/minio/cmd/http"
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"github.com/minio/minio/pkg/wildcard"
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"github.com/rs/cors"
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)
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func newHTTPServerFn() *xhttp.Server {
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globalObjLayerMutex.Lock()
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defer globalObjLayerMutex.Unlock()
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return globalHTTPServer
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}
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func newObjectLayerWithoutSafeModeFn() ObjectLayer {
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globalObjLayerMutex.Lock()
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defer globalObjLayerMutex.Unlock()
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return globalObjectAPI
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}
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func newObjectLayerFn() ObjectLayer {
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globalObjLayerMutex.Lock()
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defer globalObjLayerMutex.Unlock()
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if globalSafeMode {
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return nil
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}
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return globalObjectAPI
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}
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func newCachedObjectLayerFn() CacheObjectLayer {
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globalObjLayerMutex.Lock()
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defer globalObjLayerMutex.Unlock()
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if globalSafeMode {
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return nil
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}
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return globalCacheObjectAPI
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}
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// objectAPIHandler implements and provides http handlers for S3 API.
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type objectAPIHandlers struct {
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ObjectAPI func() ObjectLayer
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CacheAPI func() CacheObjectLayer
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}
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// getHost tries its best to return the request host.
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// According to section 14.23 of RFC 2616 the Host header
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// can include the port number if the default value of 80 is not used.
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func getHost(r *http.Request) string {
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if r.URL.IsAbs() {
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return r.URL.Host
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}
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return r.Host
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}
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// registerAPIRouter - registers S3 compatible APIs.
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func registerAPIRouter(router *mux.Router) {
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// Initialize API.
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api := objectAPIHandlers{
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ObjectAPI: newObjectLayerFn,
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CacheAPI: newCachedObjectLayerFn,
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}
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// API Router
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apiRouter := router.PathPrefix(SlashSeparator).Subrouter()
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var routers []*mux.Router
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for _, domainName := range globalDomainNames {
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if IsKubernetes() {
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routers = append(routers, apiRouter.MatcherFunc(func(r *http.Request, match *mux.RouteMatch) bool {
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host, _, err := net.SplitHostPort(getHost(r))
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if err != nil {
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host = r.Host
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}
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// Make sure to skip matching minio.<domain>` this is
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// specifically meant for operator/k8s deployment
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// The reason we need to skip this is for a special
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// usecase where we need to make sure that
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// minio.<namespace>.svc.<cluster_domain> is ignored
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// by the bucketDNS style to ensure that path style
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// is available and honored at this domain.
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//
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// All other `<bucket>.<namespace>.svc.<cluster_domain>`
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// makes sure that buckets are routed through this matcher
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// to match for `<bucket>`
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return host != minioReservedBucket+"."+domainName
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}).Host("{bucket:.+}."+domainName).Subrouter())
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} else {
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routers = append(routers, apiRouter.Host("{bucket:.+}."+domainName).Subrouter())
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}
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}
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routers = append(routers, apiRouter.PathPrefix("/{bucket}").Subrouter())
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for _, bucket := range routers {
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// Object operations
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// HeadObject
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bucket.Methods(http.MethodHead).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("headobject", httpTraceAll(api.HeadObjectHandler))))
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// CopyObjectPart
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bucket.Methods(http.MethodPut).Path("/{object:.+}").
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HeadersRegexp(xhttp.AmzCopySource, ".*?(\\/|%2F).*?").
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HandlerFunc(maxClients(collectAPIStats("copyobjectpart", httpTraceAll(api.CopyObjectPartHandler)))).
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Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
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// PutObjectPart
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobjectpart", httpTraceHdrs(api.PutObjectPartHandler)))).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
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// ListObjectParts
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("listobjectparts", httpTraceAll(api.ListObjectPartsHandler)))).Queries("uploadId", "{uploadId:.*}")
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// CompleteMultipartUpload
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bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("completemutipartupload", httpTraceAll(api.CompleteMultipartUploadHandler)))).Queries("uploadId", "{uploadId:.*}")
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// NewMultipartUpload
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bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("newmultipartupload", httpTraceAll(api.NewMultipartUploadHandler)))).Queries("uploads", "")
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// AbortMultipartUpload
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("abortmultipartupload", httpTraceAll(api.AbortMultipartUploadHandler)))).Queries("uploadId", "{uploadId:.*}")
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// GetObjectACL - this is a dummy call.
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("getobjectacl", httpTraceHdrs(api.GetObjectACLHandler)))).Queries("acl", "")
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// PutObjectACL - this is a dummy call.
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobjectacl", httpTraceHdrs(api.PutObjectACLHandler)))).Queries("acl", "")
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// GetObjectTagging
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("getobjecttagging", httpTraceHdrs(api.GetObjectTaggingHandler)))).Queries("tagging", "")
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// PutObjectTagging
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobjecttagging", httpTraceHdrs(api.PutObjectTaggingHandler)))).Queries("tagging", "")
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// DeleteObjectTagging
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("deleteobjecttagging", httpTraceHdrs(api.DeleteObjectTaggingHandler)))).Queries("tagging", "")
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// SelectObjectContent
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bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("selectobjectcontent", httpTraceHdrs(api.SelectObjectContentHandler)))).Queries("select", "").Queries("select-type", "2")
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// GetObjectRetention
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("getobjectretention", httpTraceAll(api.GetObjectRetentionHandler)))).Queries("retention", "")
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// GetObjectLegalHold
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("getobjectlegalhold", httpTraceAll(api.GetObjectLegalHoldHandler)))).Queries("legal-hold", "")
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// GetObject
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("getobject", httpTraceHdrs(api.GetObjectHandler))))
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// CopyObject
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp(xhttp.AmzCopySource, ".*?(\\/|%2F).*?").
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HandlerFunc(maxClients(collectAPIStats("copyobject", httpTraceAll(api.CopyObjectHandler))))
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// PutObjectRetention
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobjectretention", httpTraceAll(api.PutObjectRetentionHandler)))).Queries("retention", "")
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// PutObjectLegalHold
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobjectlegalhold", httpTraceAll(api.PutObjectLegalHoldHandler)))).Queries("legal-hold", "")
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// PutObject
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("putobject", httpTraceHdrs(api.PutObjectHandler))))
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// DeleteObject
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(
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maxClients(collectAPIStats("deleteobject", httpTraceAll(api.DeleteObjectHandler))))
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/// Bucket operations
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// GetBucketLocation
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketlocation", httpTraceAll(api.GetBucketLocationHandler)))).Queries("location", "")
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// GetBucketPolicy
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketpolicy", httpTraceAll(api.GetBucketPolicyHandler)))).Queries("policy", "")
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// GetBucketLifecycle
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketlifecycle", httpTraceAll(api.GetBucketLifecycleHandler)))).Queries("lifecycle", "")
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// GetBucketEncryption
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketencryption", httpTraceAll(api.GetBucketEncryptionHandler)))).Queries("encryption", "")
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// GetBucketObjectLockConfig
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketobjectlockconfiguration", httpTraceAll(api.GetBucketObjectLockConfigHandler)))).Queries("object-lock", "")
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// GetBucketReplicationConfig
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketreplicationconfiguration", httpTraceAll(api.GetBucketReplicationConfigHandler)))).Queries("replication", "")
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// GetBucketVersioning
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketversioning", httpTraceAll(api.GetBucketVersioningHandler)))).Queries("versioning", "")
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// GetBucketNotification
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketnotification", httpTraceAll(api.GetBucketNotificationHandler)))).Queries("notification", "")
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// ListenNotification
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bucket.Methods(http.MethodGet).HandlerFunc(collectAPIStats("listennotification", httpTraceAll(api.ListenNotificationHandler))).Queries("events", "{events:.*}")
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// Dummy Bucket Calls
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// GetBucketACL -- this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketacl", httpTraceAll(api.GetBucketACLHandler)))).Queries("acl", "")
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// PutBucketACL -- this is a dummy call.
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketacl", httpTraceAll(api.PutBucketACLHandler)))).Queries("acl", "")
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// GetBucketCors - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketcors", httpTraceAll(api.GetBucketCorsHandler)))).Queries("cors", "")
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// GetBucketWebsiteHandler - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketwebsite", httpTraceAll(api.GetBucketWebsiteHandler)))).Queries("website", "")
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// GetBucketAccelerateHandler - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketaccelerate", httpTraceAll(api.GetBucketAccelerateHandler)))).Queries("accelerate", "")
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// GetBucketRequestPaymentHandler - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketrequestpayment", httpTraceAll(api.GetBucketRequestPaymentHandler)))).Queries("requestPayment", "")
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// GetBucketLoggingHandler - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketlogging", httpTraceAll(api.GetBucketLoggingHandler)))).Queries("logging", "")
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// GetBucketLifecycleHandler - this is a dummy call.
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbucketlifecycle", httpTraceAll(api.GetBucketLifecycleHandler)))).Queries("lifecycle", "")
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// GetBucketTaggingHandler
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("getbuckettagging", httpTraceAll(api.GetBucketTaggingHandler)))).Queries("tagging", "")
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//DeleteBucketWebsiteHandler
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucketwebsite", httpTraceAll(api.DeleteBucketWebsiteHandler)))).Queries("website", "")
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// DeleteBucketTaggingHandler
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebuckettagging", httpTraceAll(api.DeleteBucketTaggingHandler)))).Queries("tagging", "")
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// ListMultipartUploads
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("listmultipartuploads", httpTraceAll(api.ListMultipartUploadsHandler)))).Queries("uploads", "")
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// ListObjectsV2M
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("listobjectsv2M", httpTraceAll(api.ListObjectsV2MHandler)))).Queries("list-type", "2", "metadata", "true")
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// ListObjectsV2
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("listobjectsv2", httpTraceAll(api.ListObjectsV2Handler)))).Queries("list-type", "2")
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// ListObjectVersions
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("listobjectversions", httpTraceAll(api.ListObjectVersionsHandler)))).Queries("versions", "")
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// ListObjectsV1 (Legacy)
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bucket.Methods(http.MethodGet).HandlerFunc(
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maxClients(collectAPIStats("listobjectsv1", httpTraceAll(api.ListObjectsV1Handler))))
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// PutBucketLifecycle
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketlifecycle", httpTraceAll(api.PutBucketLifecycleHandler)))).Queries("lifecycle", "")
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// PutBucketReplicationConfig
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketreplicationconfiguration", httpTraceAll(api.PutBucketReplicationConfigHandler)))).Queries("replication", "")
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// GetObjectRetention
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// PutBucketEncryption
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketencryption", httpTraceAll(api.PutBucketEncryptionHandler)))).Queries("encryption", "")
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// PutBucketPolicy
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketpolicy", httpTraceAll(api.PutBucketPolicyHandler)))).Queries("policy", "")
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// PutBucketObjectLockConfig
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketobjectlockconfig", httpTraceAll(api.PutBucketObjectLockConfigHandler)))).Queries("object-lock", "")
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// PutBucketTaggingHandler
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbuckettagging", httpTraceAll(api.PutBucketTaggingHandler)))).Queries("tagging", "")
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// PutBucketVersioning
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketversioning", httpTraceAll(api.PutBucketVersioningHandler)))).Queries("versioning", "")
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// PutBucketNotification
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucketnotification", httpTraceAll(api.PutBucketNotificationHandler)))).Queries("notification", "")
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// PutBucket
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bucket.Methods(http.MethodPut).HandlerFunc(
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maxClients(collectAPIStats("putbucket", httpTraceAll(api.PutBucketHandler))))
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// HeadBucket
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bucket.Methods(http.MethodHead).HandlerFunc(
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maxClients(collectAPIStats("headbucket", httpTraceAll(api.HeadBucketHandler))))
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// PostPolicy
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bucket.Methods(http.MethodPost).HeadersRegexp(xhttp.ContentType, "multipart/form-data*").HandlerFunc(
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maxClients(collectAPIStats("postpolicybucket", httpTraceHdrs(api.PostPolicyBucketHandler))))
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// DeleteMultipleObjects
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bucket.Methods(http.MethodPost).HandlerFunc(
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maxClients(collectAPIStats("deletemultipleobjects", httpTraceAll(api.DeleteMultipleObjectsHandler)))).Queries("delete", "")
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// DeleteBucketPolicy
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucketpolicy", httpTraceAll(api.DeleteBucketPolicyHandler)))).Queries("policy", "")
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// DeleteBucketReplication
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucketreplicationconfiguration", httpTraceAll(api.DeleteBucketReplicationConfigHandler)))).Queries("replication", "")
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// DeleteBucketLifecycle
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucketlifecycle", httpTraceAll(api.DeleteBucketLifecycleHandler)))).Queries("lifecycle", "")
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// DeleteBucketEncryption
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucketencryption", httpTraceAll(api.DeleteBucketEncryptionHandler)))).Queries("encryption", "")
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// DeleteBucket
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bucket.Methods(http.MethodDelete).HandlerFunc(
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maxClients(collectAPIStats("deletebucket", httpTraceAll(api.DeleteBucketHandler))))
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}
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/// Root operation
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// ListenNotification
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apiRouter.Methods(http.MethodGet).Path(SlashSeparator).HandlerFunc(
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collectAPIStats("listennotification", httpTraceAll(api.ListenNotificationHandler))).Queries("events", "{events:.*}")
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// ListBuckets
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apiRouter.Methods(http.MethodGet).Path(SlashSeparator).HandlerFunc(
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maxClients(collectAPIStats("listbuckets", httpTraceAll(api.ListBucketsHandler))))
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// S3 browser with signature v4 adds '//' for ListBuckets request, so rather
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// than failing with UnknownAPIRequest we simply handle it for now.
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apiRouter.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).HandlerFunc(
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maxClients(collectAPIStats("listbuckets", httpTraceAll(api.ListBucketsHandler))))
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// If none of the routes match add default error handler routes
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apiRouter.NotFoundHandler = collectAPIStats("notfound", httpTraceAll(errorResponseHandler))
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apiRouter.MethodNotAllowedHandler = collectAPIStats("methodnotallowed", httpTraceAll(errorResponseHandler))
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}
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// corsHandler handler for CORS (Cross Origin Resource Sharing)
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func corsHandler(handler http.Handler) http.Handler {
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commonS3Headers := []string{
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xhttp.Date,
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xhttp.ETag,
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xhttp.ServerInfo,
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xhttp.Connection,
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xhttp.AcceptRanges,
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xhttp.ContentRange,
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xhttp.ContentEncoding,
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xhttp.ContentLength,
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xhttp.ContentType,
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xhttp.ContentDisposition,
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xhttp.LastModified,
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xhttp.ContentLanguage,
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xhttp.CacheControl,
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xhttp.RetryAfter,
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xhttp.AmzBucketRegion,
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xhttp.Expires,
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"X-Amz*",
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"x-amz*",
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"*",
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}
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return cors.New(cors.Options{
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AllowOriginFunc: func(origin string) bool {
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for _, allowedOrigin := range globalAPIConfig.getCorsAllowOrigins() {
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if wildcard.MatchSimple(allowedOrigin, origin) {
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return true
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}
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}
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return false
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},
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AllowedMethods: []string{
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http.MethodGet,
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http.MethodPut,
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http.MethodHead,
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http.MethodPost,
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http.MethodDelete,
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http.MethodOptions,
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http.MethodPatch,
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},
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AllowedHeaders: commonS3Headers,
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ExposedHeaders: commonS3Headers,
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AllowCredentials: true,
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}).Handler(handler)
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}
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