1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
package s3err
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/glog"
xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
// "github.com/chrislusf/seaweedfs/weed/s3api/s3err"
//"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
"github.com/fluent/fluent-logger-golang/fluent"
"net/http"
"os"
"time"
)
type AccessLogExtend struct {
AccessLog
AccessLogHTTP
}
type AccessLog struct {
Bucket string `json:"bucket"` // awsexamplebucket1
Time time.Time `json:"time"` // [06/Feb/2019:00:00:38 +0000]
RemoteIP string `json:"remote_ip,omitempty"` // 192.0.2.3
Requester string `json:"requester,omitempty"` // IAM user id
RequestID string `json:"request_id,omitempty"` // 3E57427F33A59F07
Operation string `json:"operation,omitempty"` // REST.HTTP_method.resource_type REST.PUT.OBJECT
Key string `json:"Key,omitempty"` // /photos/2019/08/puppy.jpg
ErrorCode string `json:"error_code,omitempty"`
HostId string `json:"host_id,omitempty"`
HostHeader string `json:"host_header,omitempty"` // s3.us-west-2.amazonaws.com
SignatureVersion string `json:"signature_version,omitempty"`
}
type AccessLogHTTP struct {
RequestURI string `json:"request_uri,omitempty"` // "GET /awsexamplebucket1/photos/2019/08/puppy.jpg?x-foo=bar HTTP/1.1"
HTTPStatus int `json:"HTTP_status,omitempty"`
BytesSent string `json:"bytes_sent,omitempty"`
ObjectSize string `json:"object_size,omitempty"`
TotalTime time.Duration `json:"total_time,omitempty"`
TurnAroundTime time.Duration `json:"turn_around_time,omitempty"`
Referer string `json:"Referer,omitempty"`
UserAgent string `json:"user_agent,omitempty"`
VersionId string `json:"version_id,omitempty"`
CipherSuite string `json:"cipher_suite,omitempty"`
AuthenticationType string `json:"auth_type,omitempty"`
TLSVersion string `json:"TLS_version,omitempty"`
}
const tag = "s3.access"
var (
logger *fluent.Fluent
hostname = os.Getenv("HOSTNAME")
)
func init() {
var err error
logger, err = fluent.New(fluent.Config{})
if err != nil {
glog.Fatalf("fail to load fluent config: %v", err)
}
}
func getREST(httpMetod string, resourceType string) string {
return fmt.Sprintf("REST.%s.%s", httpMetod, resourceType)
}
func getResourceType(object string, query string, metod string) (string, bool) {
if len(object) > 0 {
switch query {
case "tagging":
return getREST(metod, "OBJECTTAGGING"), true
default:
return getREST(metod, "OBJECT"), false
}
} else {
switch query {
case "delete":
return "BATCH.DELETE.OBJECT", true
case "tagging":
return getREST(metod, "OBJECTTAGGING"), true
case "lifecycle":
return getREST(metod, "LIFECYCLECONFIGURATION"), true
case "acl":
return getREST(metod, "ACCESSCONTROLPOLICY"), true
case "policy":
return getREST(metod, "BUCKETPOLICY"), true
default:
return getREST(metod, "BUCKET"), false
}
}
}
func getOperation(object string , r *http.Request) string {
queries := r.URL.Query()
var operation string
var queryFound bool
for query, _ := range queries {
if operation, queryFound = getResourceType(object, query, r.Method); queryFound {
return operation
}
}
return operation
}
func GetAccessLog (r *http.Request, s3errCode s3err.ErrorCode) AccessLog {
bucket, key := xhttp.GetBucketAndObject(r)
var errorCode string
if s3errCode != s3err.ErrNone {
errorCode = s3err.GetAPIError(s3errCode).Code
}
return AccessLog{
HostHeader: r.Header.Get("Host"),
RequestID: r.Header.Get("X-Request-ID"),
RemoteIP: r.Header.Get("X-Real-IP"),
Requester: r.Header.Get(xhttp.AmzIdentityId),
HostId: hostname,
Bucket: bucket,
Time: time.Now(),
Key: key,
Operation: getOperation(key, r),
ErrorCode: errorCode,
}
}
func Post(r *http.Request, errorCode s3err.ErrorCode) {
if logger == nil {
return
}
err := logger.Post(tag, GetAccessLog(r, errorCode))
if err != nil {
glog.Error("Error while posting log: ", err)
}
}
|
