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316 lines
16 KiB
316 lines
16 KiB
package s3api
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/s3_pb"
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"github.com/seaweedfs/seaweedfs/weed/util/grace"
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"github.com/gorilla/mux"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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. "github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
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"github.com/seaweedfs/seaweedfs/weed/security"
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"github.com/seaweedfs/seaweedfs/weed/util"
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util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
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util_http_client "github.com/seaweedfs/seaweedfs/weed/util/http/client"
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"google.golang.org/grpc"
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)
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type S3ApiServerOption struct {
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Filer pb.ServerAddress
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Port int
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Config string
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DomainName string
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AllowedOrigins []string
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BucketsPath string
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GrpcDialOption grpc.DialOption
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AllowEmptyFolder bool
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AllowDeleteBucketNotEmpty bool
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LocalFilerSocket string
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DataCenter string
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FilerGroup string
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}
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type S3ApiServer struct {
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s3_pb.UnimplementedSeaweedS3Server
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option *S3ApiServerOption
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iam *IdentityAccessManagement
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cb *CircuitBreaker
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randomClientId int32
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filerGuard *security.Guard
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client util_http_client.HTTPClientInterface
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bucketRegistry *BucketRegistry
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}
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func NewS3ApiServer(router *mux.Router, option *S3ApiServerOption) (s3ApiServer *S3ApiServer, err error) {
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startTsNs := time.Now().UnixNano()
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v := util.GetViper()
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signingKey := v.GetString("jwt.filer_signing.key")
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v.SetDefault("jwt.filer_signing.expires_after_seconds", 10)
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expiresAfterSec := v.GetInt("jwt.filer_signing.expires_after_seconds")
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readSigningKey := v.GetString("jwt.filer_signing.read.key")
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v.SetDefault("jwt.filer_signing.read.expires_after_seconds", 60)
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readExpiresAfterSec := v.GetInt("jwt.filer_signing.read.expires_after_seconds")
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v.SetDefault("cors.allowed_origins.values", "*")
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if (option.AllowedOrigins == nil) || (len(option.AllowedOrigins) == 0) {
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allowedOrigins := v.GetString("cors.allowed_origins.values")
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domains := strings.Split(allowedOrigins, ",")
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option.AllowedOrigins = domains
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}
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s3ApiServer = &S3ApiServer{
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option: option,
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iam: NewIdentityAccessManagement(option),
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randomClientId: util.RandomInt32(),
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filerGuard: security.NewGuard([]string{}, signingKey, expiresAfterSec, readSigningKey, readExpiresAfterSec),
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cb: NewCircuitBreaker(option),
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}
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if option.Config != "" {
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grace.OnReload(func() {
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if err := s3ApiServer.iam.loadS3ApiConfigurationFromFile(option.Config); err != nil {
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glog.Errorf("fail to load config file %s: %v", option.Config, err)
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} else {
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glog.V(0).Infof("Loaded %d identities from config file %s", len(s3ApiServer.iam.identities), option.Config)
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}
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})
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}
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s3ApiServer.bucketRegistry = NewBucketRegistry(s3ApiServer)
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if option.LocalFilerSocket == "" {
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if s3ApiServer.client, err = util_http.NewGlobalHttpClient(); err != nil {
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return nil, err
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}
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} else {
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s3ApiServer.client = &http.Client{
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Transport: &http.Transport{
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DialContext: func(_ context.Context, _, _ string) (net.Conn, error) {
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return net.Dial("unix", option.LocalFilerSocket)
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},
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},
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}
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}
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s3ApiServer.registerRouter(router)
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go s3ApiServer.subscribeMetaEvents("s3", startTsNs, filer.DirectoryEtcRoot, []string{option.BucketsPath})
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return s3ApiServer, nil
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}
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func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
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// API Router
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apiRouter := router.PathPrefix("/").Subrouter()
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// Readiness Probe
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apiRouter.Methods(http.MethodGet).Path("/status").HandlerFunc(s3a.StatusHandler)
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apiRouter.Methods(http.MethodGet).Path("/healthz").HandlerFunc(s3a.StatusHandler)
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apiRouter.Methods(http.MethodOptions).HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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origin := r.Header.Get("Origin")
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if origin != "" {
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if s3a.option.AllowedOrigins == nil || len(s3a.option.AllowedOrigins) == 0 || s3a.option.AllowedOrigins[0] == "*" {
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origin = "*"
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} else {
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originFound := false
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for _, allowedOrigin := range s3a.option.AllowedOrigins {
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if origin == allowedOrigin {
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originFound = true
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}
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}
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if !originFound {
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writeFailureResponse(w, r, http.StatusForbidden)
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return
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}
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}
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}
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w.Header().Set("Access-Control-Allow-Origin", origin)
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w.Header().Set("Access-Control-Expose-Headers", "*")
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w.Header().Set("Access-Control-Allow-Methods", "*")
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w.Header().Set("Access-Control-Allow-Headers", "*")
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writeSuccessResponseEmpty(w, r)
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})
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var routers []*mux.Router
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if s3a.option.DomainName != "" {
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domainNames := strings.Split(s3a.option.DomainName, ",")
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for _, domainName := range domainNames {
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routers = append(routers, apiRouter.Host(
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fmt.Sprintf("%s.%s:%d", "{bucket:.+}", domainName, s3a.option.Port)).Subrouter())
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routers = append(routers, apiRouter.Host(
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fmt.Sprintf("%s.%s", "{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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// each case should follow the next rule:
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// - requesting object with query must precede any other methods
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// - requesting object must precede any methods with buckets
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// - requesting bucket with query must precede raw methods with buckets
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// - requesting bucket must be processed in the end
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// objects with query
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// CopyObjectPart
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", `.*?(\/|%2F).*?`).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
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// PutObjectPart
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
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// CompleteMultipartUpload
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bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CompleteMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploadId", "{uploadId:.*}")
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// NewMultipartUpload
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bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.NewMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploads", "")
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// AbortMultipartUpload
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.AbortMultipartUploadHandler, ACTION_WRITE)), "DELETE")).Queries("uploadId", "{uploadId:.*}")
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// ListObjectParts
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectPartsHandler, ACTION_READ)), "GET")).Queries("uploadId", "{uploadId:.*}")
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// ListMultipartUploads
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListMultipartUploadsHandler, ACTION_READ)), "GET")).Queries("uploads", "")
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// GetObjectTagging
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectTaggingHandler, ACTION_READ)), "GET")).Queries("tagging", "")
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// PutObjectTagging
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectTaggingHandler, ACTION_TAGGING)), "PUT")).Queries("tagging", "")
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// DeleteObjectTagging
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectTaggingHandler, ACTION_TAGGING)), "DELETE")).Queries("tagging", "")
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// PutObjectACL
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
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// PutObjectRetention
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectRetentionHandler, ACTION_WRITE)), "PUT")).Queries("retention", "")
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// PutObjectLegalHold
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLegalHoldHandler, ACTION_WRITE)), "PUT")).Queries("legal-hold", "")
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// PutObjectLockConfiguration
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLockConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("object-lock", "")
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// GetObjectACL
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
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// objects with query
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// raw objects
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// HeadObject
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bucket.Methods(http.MethodHead).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadObjectHandler, ACTION_READ)), "GET"))
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// GetObject, but directory listing is not supported
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bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectHandler, ACTION_READ)), "GET"))
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// CopyObject
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectHandler, ACTION_WRITE)), "COPY"))
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// PutObject
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bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectHandler, ACTION_WRITE)), "PUT"))
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// DeleteObject
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bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectHandler, ACTION_WRITE)), "DELETE"))
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// raw objects
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// buckets with query
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// DeleteMultipleObjects
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bucket.Methods(http.MethodPost).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE)), "DELETE")).Queries("delete", "")
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// GetBucketACL
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
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// PutBucketACL
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
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// GetBucketPolicy
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketPolicyHandler, ACTION_READ)), "GET")).Queries("policy", "")
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// PutBucketPolicy
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketPolicyHandler, ACTION_WRITE)), "PUT")).Queries("policy", "")
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// DeleteBucketPolicy
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketPolicyHandler, ACTION_WRITE)), "DELETE")).Queries("policy", "")
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// GetBucketCors
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketCorsHandler, ACTION_READ)), "GET")).Queries("cors", "")
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// PutBucketCors
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketCorsHandler, ACTION_WRITE)), "PUT")).Queries("cors", "")
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// DeleteBucketCors
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketCorsHandler, ACTION_WRITE)), "DELETE")).Queries("cors", "")
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// GetBucketLifecycleConfiguration
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLifecycleConfigurationHandler, ACTION_READ)), "GET")).Queries("lifecycle", "")
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// PutBucketLifecycleConfiguration
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketLifecycleConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("lifecycle", "")
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// DeleteBucketLifecycleConfiguration
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketLifecycleHandler, ACTION_WRITE)), "DELETE")).Queries("lifecycle", "")
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// GetBucketLocation
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLocationHandler, ACTION_READ)), "GET")).Queries("location", "")
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// GetBucketRequestPayment
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketRequestPaymentHandler, ACTION_READ)), "GET")).Queries("requestPayment", "")
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// GetBucketVersioning
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketVersioningHandler, ACTION_READ)), "GET")).Queries("versioning", "")
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketVersioningHandler, ACTION_WRITE)), "PUT")).Queries("versioning", "")
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// GetBucketTagging
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketTaggingHandler, ACTION_TAGGING)), "GET")).Queries("tagging", "")
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketTaggingHandler, ACTION_TAGGING)), "PUT")).Queries("tagging", "")
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketTaggingHandler, ACTION_TAGGING)), "DELETE")).Queries("tagging", "")
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// GetBucketEncryption
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketEncryptionHandler, ACTION_ADMIN)), "GET")).Queries("encryption", "")
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketEncryptionHandler, ACTION_ADMIN)), "PUT")).Queries("encryption", "")
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketEncryptionHandler, ACTION_ADMIN)), "DELETE")).Queries("encryption", "")
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// GetPublicAccessBlockHandler
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetPublicAccessBlockHandler, ACTION_ADMIN)), "GET")).Queries("publicAccessBlock", "")
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutPublicAccessBlockHandler, ACTION_ADMIN)), "PUT")).Queries("publicAccessBlock", "")
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeletePublicAccessBlockHandler, ACTION_ADMIN)), "DELETE")).Queries("publicAccessBlock", "")
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// ListObjectsV2
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV2Handler, ACTION_LIST)), "LIST")).Queries("list-type", "2")
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// buckets with query
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// PutBucketOwnershipControls
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.PutBucketOwnershipControls, ACTION_ADMIN), "PUT")).Queries("ownershipControls", "")
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//GetBucketOwnershipControls
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.GetBucketOwnershipControls, ACTION_READ), "GET")).Queries("ownershipControls", "")
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//DeleteBucketOwnershipControls
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.DeleteBucketOwnershipControls, ACTION_ADMIN), "DELETE")).Queries("ownershipControls", "")
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// raw buckets
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// PostPolicy
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bucket.Methods(http.MethodPost).HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PostPolicyBucketHandler, ACTION_WRITE)), "POST"))
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// HeadBucket
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bucket.Methods(http.MethodHead).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadBucketHandler, ACTION_READ)), "GET"))
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// PutBucket
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bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketHandler, ACTION_ADMIN)), "PUT"))
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// DeleteBucket
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bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketHandler, ACTION_DELETE_BUCKET)), "DELETE"))
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// ListObjectsV1 (Legacy)
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bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV1Handler, ACTION_LIST)), "LIST"))
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// raw buckets
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}
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// ListBuckets
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apiRouter.Methods(http.MethodGet).Path("/").HandlerFunc(track(s3a.ListBucketsHandler, "LIST"))
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// NotFound
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apiRouter.NotFoundHandler = http.HandlerFunc(s3err.NotFoundHandler)
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}
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