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minio/cmd/logger/audit-logger.go

97 lines
2.7 KiB

/*
* Minio Cloud Storage, (C) 2018 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 logger
import (
"context"
"net/http"
"strings"
"time"
)
// Represents the current version of audit log structure.
const auditLogVersion = "1"
// AuditEntry - audit entry logs.
type AuditEntry struct {
Version string `json:"version"`
DeploymentID string `json:"deploymentid,omitempty"`
Time string `json:"time"`
API *api `json:"api,omitempty"`
RemoteHost string `json:"remotehost,omitempty"`
RequestID string `json:"requestID,omitempty"`
UserAgent string `json:"userAgent,omitempty"`
ReqQuery map[string]string `json:"requestQuery,omitempty"`
ReqHeader map[string]string `json:"requestHeader,omitempty"`
RespHeader map[string]string `json:"responseHeader,omitempty"`
}
// AuditTargets is the list of enabled audit loggers
var AuditTargets = []LoggingTarget{}
// AddAuditTarget adds a new audit logger target to the
// list of enabled loggers
func AddAuditTarget(t LoggingTarget) {
AuditTargets = append(AuditTargets, t)
}
// AuditLog - logs audit logs to all targets.
func AuditLog(ctx context.Context, w http.ResponseWriter, r *http.Request) {
if Disable {
return
}
req := GetReqInfo(ctx)
if req == nil {
req = &ReqInfo{API: "SYSTEM"}
}
reqQuery := make(map[string]string)
for k, v := range r.URL.Query() {
reqQuery[k] = strings.Join(v, ",")
}
reqHeader := make(map[string]string)
for k, v := range r.Header {
reqHeader[k] = strings.Join(v, ",")
}
respHeader := make(map[string]string)
for k, v := range w.Header() {
respHeader[k] = strings.Join(v, ",")
}
// Send audit logs only to http targets.
for _, t := range AuditTargets {
t.send(AuditEntry{
Version: auditLogVersion,
DeploymentID: deploymentID,
RemoteHost: req.RemoteHost,
RequestID: req.RequestID,
UserAgent: req.UserAgent,
Time: time.Now().UTC().Format(time.RFC3339Nano),
API: &api{
Name: req.API,
Args: &args{
Bucket: req.BucketName,
Object: req.ObjectName,
},
},
ReqQuery: reqQuery,
ReqHeader: reqHeader,
RespHeader: respHeader,
})
}
}