-
Notifications
You must be signed in to change notification settings - Fork 3
/
headers.go
54 lines (48 loc) · 1.55 KB
/
headers.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
46
47
48
49
50
51
52
53
54
/*
* Copyright 2020 Django Cass
*
* 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 httputils
import "net/http"
// collection of http headers
const (
ContentType = "Content-Type"
AccessControlAllowOrigin = "Access-Control-Allow-Origin"
AccessControlAllowHeaders = "Access-Control-Allow-Headers"
AccessControlAllowMethods = "Access-Control-Allow-Methods"
)
// HeadersAsMap converts a http.Header into a map
func HeadersAsMap(h *http.Header) map[string][]string {
headers := map[string][]string{}
for k, v := range *h {
headers[k] = v
}
return headers
}
// HeadersAsFlatMap converts a http.Header into a map, flattening duplicate values
// e.g. X-My-Header=a,X-My-Header=b -> {X-My-Header: a}
func HeadersAsFlatMap(h *http.Header) map[string]string {
headers := map[string]string{}
for k := range *h {
headers[k] = h.Get(k)
}
return headers
}
// RemoveHeaders removes all matching headers from a http.Header
func RemoveHeaders(h *http.Header, keys []string) {
for _, k := range keys {
h.Del(k)
}
}