forked from greenpau/caddy-auth-portal
/
request_id.go
51 lines (47 loc) · 1.35 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
46
47
48
49
50
51
// Copyright 2020 Paul Greenberg greenpau@outlook.com
//
// 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 utils
import (
"net/http"
"strings"
)
// GetContentType returns requested content type.
func GetContentType(r *http.Request) string {
ct := r.Header.Get("Accept")
if ct == "" {
ct = "text/html"
}
return ct
}
// GetSourceAddress returns the IP address of the request.
func GetSourceAddress(r *http.Request) string {
var addr string
if r.Header.Get("X-Real-Ip") != "" {
addr = r.Header.Get("X-Real-Ip")
} else {
if r.Header.Get("X-Forwarded-For") != "" {
addr = r.Header.Get("X-Forwarded-For")
} else {
addr = r.RemoteAddr
}
}
if strings.Contains(addr, ",") {
addr = strings.TrimSpace(addr)
addr = strings.SplitN(addr, ",", 2)[0]
}
if strings.Contains(addr, ":") {
addr = strings.SplitN(addr, ":", 2)[0]
}
return addr
}