Files
golib/httpcli/dns-mapper/interface.go
Nicolas JUHEL a7978fce36 Package HTTPClient/DNSMapper:
- allow using a given TLS Config pointer
- allow to retrieve / update the default transport
2025-03-07 09:39:39 +01:00

127 lines
3.1 KiB
Go

/*
* MIT License
*
* Copyright (c) 2020 Nicolas JUHEL
*
* 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 dns_mapper
import (
"context"
"crypto/tls"
"net"
"net/http"
"sync"
"time"
libatm "github.com/nabbar/golib/atomic"
libtls "github.com/nabbar/golib/certificates"
tlscas "github.com/nabbar/golib/certificates/ca"
libdur "github.com/nabbar/golib/duration"
)
type FuncMessage func(msg string)
type DNSMapper interface {
Add(from, to string)
Get(from string) string
Del(from string)
Len() int
Walk(func(from, to string) bool)
Clean(endpoint string) (host string, port string, err error)
Search(endpoint string) (string, error)
SearchWithCache(endpoint string) (string, error)
DialContext(ctx context.Context, network, address string) (net.Conn, error)
Transport(cfg TransportConfig) *http.Transport
TransportWithTLS(cfg TransportConfig, ssl *tls.Config) *http.Transport
Client(cfg TransportConfig) *http.Client
DefaultTransport() *http.Transport
DefaultClient() *http.Client
GetConfig() Config
RegisterTransport(t *http.Transport)
TimeCleaner(ctx context.Context, dur time.Duration)
Close() error
}
func GetRootCaCert(fct libtls.FctRootCA) tlscas.Cert {
var res tlscas.Cert
for _, c := range fct() {
if res == nil {
res, _ = tlscas.Parse(c)
} else {
_ = res.AppendString(c)
}
}
return res
}
func New(ctx context.Context, cfg *Config, fct libtls.FctRootCACert, msg FuncMessage) DNSMapper {
if cfg == nil {
cfg = &Config{
DNSMapper: make(map[string]string),
TimerClean: libdur.ParseDuration(3 * time.Minute),
Transport: TransportConfig{
Proxy: nil,
TLSConfig: nil,
},
}
}
if fct == nil {
fct = func() tlscas.Cert {
return nil
}
}
if msg == nil {
msg = func(msg string) {}
}
d := &dmp{
d: new(sync.Map),
z: new(sync.Map),
c: libatm.NewValue[*Config](),
t: libatm.NewValue[*http.Transport](),
f: fct,
i: msg,
n: libatm.NewValue[context.CancelFunc](),
x: libatm.NewValue[context.Context](),
}
for edp, adr := range cfg.DNSMapper {
d.Add(edp, adr)
}
d.c.Store(cfg)
_ = d.DefaultTransport()
d.TimeCleaner(ctx, cfg.TimerClean.Time())
return d
}