-
Notifications
You must be signed in to change notification settings - Fork 4
/
request_id.go
45 lines (40 loc) · 1.29 KB
/
request_id.go
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
// Copyright 2018 xgfone
//
// 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 middleware
import (
"github.com/xgfone/ship/v2"
)
// RequestID returns a X-Request-ID middleware.
//
// If the request header does not contain X-Request-ID, it will set a new one.
//
// generateRequestID is GenerateToken(32).
func RequestID(generateRequestID ...func() string) Middleware {
getRequestID := GenerateToken(32)
if len(generateRequestID) > 0 {
getRequestID = generateRequestID[0]
}
return func(next ship.Handler) ship.Handler {
return func(ctx *ship.Context) error {
req := ctx.Request()
xid := req.Header.Get(ship.HeaderXRequestID)
if xid == "" {
xid = getRequestID()
req.Header.Set(ship.HeaderXRequestID, xid)
}
ctx.SetHeader(ship.HeaderXRequestID, xid)
return next(ctx)
}
}
}