-
Notifications
You must be signed in to change notification settings - Fork 33
/
http_host_context.go
63 lines (54 loc) · 1.82 KB
/
http_host_context.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
55
56
57
58
59
60
61
62
63
/*
*Copyright (c) 2023, kaydxh
*
*Permission is hereby granted, free of charge, to any person obtaining a copy
*of this software and associated documentation files (the "Software"), to deal
*in the Software without restriction, including without limitation the rights
*to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
*copies of the Software, and to permit persons to whom the Software is
*furnished to do so, subject to the following conditions:
*
*The above copyright notice and this permission notice shall be included in all
*copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
*IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
*FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
*AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
*LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
*OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*SOFTWARE.
*/
package http
import (
"context"
"fmt"
"net/url"
"github.com/kaydxh/golang/go/net/resolver"
)
type hostContextKey struct{}
type Host struct {
HostTarget string
ReplaceHostInRequest bool
HostTargetAddrResolved resolver.Address
}
func FromContextHost(ctx context.Context) *Host {
host, _ := ctx.Value(hostContextKey{}).(*Host)
return host
}
func WithContextHost(ctx context.Context, host *Host) context.Context {
if host == nil {
panic("nil host")
}
return context.WithValue(ctx, hostContextKey{}, host)
}
func ParseTargetUrl(host string) (*url.URL, error) {
if host == "" {
return nil, nil
}
hostURL, err := url.Parse(host)
if err != nil {
return nil, fmt.Errorf("invalid host address %q: %v", host, err)
}
return hostURL, nil
}