milvus/internal/proxy/accesslog/info/util.go

92 lines
2.5 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 info
import (
"context"
"fmt"
"strings"
"go.uber.org/atomic"
"google.golang.org/grpc/metadata"
"github.com/milvus-io/milvus/pkg/util"
"github.com/milvus-io/milvus/pkg/util/crypto"
)
var ClusterPrefix atomic.String
func getCurUserFromContext(ctx context.Context) (string, error) {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return "", fmt.Errorf("fail to get md from the context")
}
authorization, ok := md[strings.ToLower(util.HeaderAuthorize)]
if !ok || len(authorization) < 1 {
return "", fmt.Errorf("fail to get authorization from the md, authorize:[%s]", util.HeaderAuthorize)
}
token := authorization[0]
rawToken, err := crypto.Base64Decode(token)
if err != nil {
return "", fmt.Errorf("fail to decode the token, token: %s", token)
}
secrets := strings.SplitN(rawToken, util.CredentialSeperator, 2)
if len(secrets) < 2 {
return "", fmt.Errorf("fail to get user info from the raw token, raw token: %s", rawToken)
}
username := secrets[0]
return username, nil
}
func getSdkVersionByUserAgent(ctx context.Context) string {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return Unknown
}
UserAgent, ok := md[util.HeaderUserAgent]
if !ok {
return Unknown
}
SdkType, ok := getSdkTypeByUserAgent(UserAgent)
if !ok {
return Unknown
}
return SdkType + "-" + Unknown
}
func getSdkTypeByUserAgent(userAgents []string) (string, bool) {
if len(userAgents) == 0 {
return "", false
}
userAgent := userAgents[0]
switch {
case strings.HasPrefix(userAgent, "grpc-node-js"):
return "nodejs", true
case strings.HasPrefix(userAgent, "grpc-python"):
return "Python", true
case strings.HasPrefix(userAgent, "grpc-go"):
return "Golang", true
case strings.HasPrefix(userAgent, "grpc-java"):
return "Java", true
default:
return "", false
}
}