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package s3api
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/pb/s3_pb"
"net"
"net/http"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/pb"
. "github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/gorilla/mux"
"google.golang.org/grpc"
)
type S3ApiServerOption struct {
Filer pb.ServerAddress
Port int
Config string
DomainName string
BucketsPath string
GrpcDialOption grpc.DialOption
AllowEmptyFolder bool
AllowDeleteBucketNotEmpty bool
LocalFilerSocket *string
}
type S3ApiServer struct {
s3_pb.UnimplementedSeaweedS3Server
option *S3ApiServerOption
iam *IdentityAccessManagement
cb *CircuitBreaker
randomClientId int32
filerGuard *security.Guard
client *http.Client
}
func NewS3ApiServer(router *mux.Router, option *S3ApiServerOption) (s3ApiServer *S3ApiServer, err error) {
v := util.GetViper()
signingKey := v.GetString("jwt.filer_signing.key")
v.SetDefault("jwt.filer_signing.expires_after_seconds", 10)
expiresAfterSec := v.GetInt("jwt.filer_signing.expires_after_seconds")
readSigningKey := v.GetString("jwt.filer_signing.read.key")
v.SetDefault("jwt.filer_signing.read.expires_after_seconds", 60)
readExpiresAfterSec := v.GetInt("jwt.filer_signing.read.expires_after_seconds")
s3ApiServer = &S3ApiServer{
option: option,
iam: NewIdentityAccessManagement(option),
randomClientId: util.RandomInt32(),
filerGuard: security.NewGuard([]string{}, signingKey, expiresAfterSec, readSigningKey, readExpiresAfterSec),
cb: NewCircuitBreaker(option),
}
if option.LocalFilerSocket == nil || *option.LocalFilerSocket == "" {
s3ApiServer.client = &http.Client{Transport: &http.Transport{
MaxIdleConns: 1024,
MaxIdleConnsPerHost: 1024,
}}
} else {
s3ApiServer.client = &http.Client{
Transport: &http.Transport{
DialContext: func(_ context.Context, _, _ string) (net.Conn, error) {
return net.Dial("unix", *option.LocalFilerSocket)
},
},
}
}
s3ApiServer.registerRouter(router)
go s3ApiServer.subscribeMetaEvents("s3", filer.DirectoryEtcRoot, time.Now().UnixNano())
return s3ApiServer, nil
}
func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
// API Router
apiRouter := router.PathPrefix("/").Subrouter()
// Readiness Probe
apiRouter.Methods("GET").Path("/status").HandlerFunc(s3a.StatusHandler)
var routers []*mux.Router
if s3a.option.DomainName != "" {
domainNames := strings.Split(s3a.option.DomainName, ",")
for _, domainName := range domainNames {
routers = append(routers, apiRouter.Host(
fmt.Sprintf("%s.%s:%d", "{bucket:.+}", domainName, s3a.option.Port)).Subrouter())
routers = append(routers, apiRouter.Host(
fmt.Sprintf("%s.%s", "{bucket:.+}", domainName)).Subrouter())
}
}
routers = append(routers, apiRouter.PathPrefix("/{bucket}").Subrouter())
for _, bucket := range routers {
// each case should follow the next rule:
// - requesting object with query must precede any other methods
// - requesting object must precede any methods with buckets
// - requesting bucket with query must precede raw methods with buckets
// - requesting bucket must be processed in the end
// objects with query
// CopyObjectPart
bucket.Methods("PUT").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:.*}")
// PutObjectPart
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
// CompleteMultipartUpload
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CompleteMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploadId", "{uploadId:.*}")
// NewMultipartUpload
bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.NewMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploads", "")
// AbortMultipartUpload
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.AbortMultipartUploadHandler, ACTION_WRITE)), "DELETE")).Queries("uploadId", "{uploadId:.*}")
// ListObjectParts
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectPartsHandler, ACTION_READ)), "GET")).Queries("uploadId", "{uploadId:.*}")
// ListMultipartUploads
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListMultipartUploadsHandler, ACTION_READ)), "GET")).Queries("uploads", "")
// GetObjectTagging
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectTaggingHandler, ACTION_READ)), "GET")).Queries("tagging", "")
// PutObjectTagging
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectTaggingHandler, ACTION_TAGGING)), "PUT")).Queries("tagging", "")
// DeleteObjectTagging
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectTaggingHandler, ACTION_TAGGING)), "DELETE")).Queries("tagging", "")
// PutObjectACL
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectAclHandler, ACTION_WRITE)), "PUT")).Queries("acl", "")
// PutObjectRetention
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectRetentionHandler, ACTION_WRITE)), "PUT")).Queries("retention", "")
// PutObjectLegalHold
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLegalHoldHandler, ACTION_WRITE)), "PUT")).Queries("legal-hold", "")
// PutObjectLockConfiguration
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLockConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("object-lock", "")
// GetObjectACL
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectAclHandler, ACTION_READ)), "GET")).Queries("acl", "")
// objects with query
// raw objects
// HeadObject
bucket.Methods("HEAD").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadObjectHandler, ACTION_READ)), "GET"))
// GetObject, but directory listing is not supported
bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectHandler, ACTION_READ)), "GET"))
// CopyObject
bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectHandler, ACTION_WRITE)), "COPY"))
// PutObject
bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectHandler, ACTION_WRITE)), "PUT"))
// DeleteObject
bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectHandler, ACTION_WRITE)), "DELETE"))
// raw objects
// buckets with query
// DeleteMultipleObjects
bucket.Methods("POST").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE)), "DELETE")).Queries("delete", "")
// GetBucketACL
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketAclHandler, ACTION_READ)), "GET")).Queries("acl", "")
// PutBucketACL
bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketAclHandler, ACTION_WRITE)), "PUT")).Queries("acl", "")
// GetBucketPolicy
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketPolicyHandler, ACTION_READ)), "GET")).Queries("policy", "")
// PutBucketPolicy
bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketPolicyHandler, ACTION_WRITE)), "PUT")).Queries("policy", "")
// DeleteBucketPolicy
bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketPolicyHandler, ACTION_WRITE)), "DELETE")).Queries("policy", "")
// GetBucketCors
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketCorsHandler, ACTION_READ)), "GET")).Queries("cors", "")
// PutBucketCors
bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketCorsHandler, ACTION_WRITE)), "PUT")).Queries("cors", "")
// DeleteBucketCors
bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketCorsHandler, ACTION_WRITE)), "DELETE")).Queries("cors", "")
// GetBucketLifecycleConfiguration
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLifecycleConfigurationHandler, ACTION_READ)), "GET")).Queries("lifecycle", "")
// PutBucketLifecycleConfiguration
bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketLifecycleConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("lifecycle", "")
// DeleteBucketLifecycleConfiguration
bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketLifecycleHandler, ACTION_WRITE)), "DELETE")).Queries("lifecycle", "")
// GetBucketLocation
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLocationHandler, ACTION_READ)), "GET")).Queries("location", "")
// GetBucketRequestPayment
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketRequestPaymentHandler, ACTION_READ)), "GET")).Queries("requestPayment", "")
// ListObjectsV2
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV2Handler, ACTION_LIST)), "LIST")).Queries("list-type", "2")
// buckets with query
// raw buckets
// PostPolicy
bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PostPolicyBucketHandler, ACTION_WRITE)), "POST"))
// HeadBucket
bucket.Methods("HEAD").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadBucketHandler, ACTION_READ)), "GET"))
// PutBucket
bucket.Methods("PUT").HandlerFunc(track(s3a.PutBucketHandler, "PUT"))
// DeleteBucket
bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketHandler, ACTION_WRITE)), "DELETE"))
// ListObjectsV1 (Legacy)
bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV1Handler, ACTION_LIST)), "LIST"))
// raw buckets
}
// ListBuckets
apiRouter.Methods("GET").Path("/").HandlerFunc(track(s3a.ListBucketsHandler, "LIST"))
// NotFound
apiRouter.NotFoundHandler = http.HandlerFunc(s3err.NotFoundHandler)
}
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