/
cli.go
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/
cli.go
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/*
* 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 httpcli
import (
"context"
"net"
"net/http"
"net/url"
"time"
"golang.org/x/net/http2"
libtls "github.com/nabbar/golib/certificates"
liberr "github.com/nabbar/golib/errors"
)
const (
ClientTimeout30Sec = 30 * time.Second
ClientTimeout10Sec = 10 * time.Second
ClientTimeout5Sec = 5 * time.Second
ClientTimeout1Sec = 1 * time.Second
ClientNetworkTCP = "tcp"
ClientNetworkUDP = "udp"
)
type FctHttpClient func() *http.Client
func GetClient(serverName string) *http.Client {
c, e := GetClientTimeout(serverName, true, 0)
if e != nil {
c, _ = GetClientTimeout(serverName, false, 0)
}
return c
}
func GetClientError(serverName string) (*http.Client, liberr.Error) {
return GetClientTimeout(serverName, true, 0)
}
func GetClientTimeout(serverName string, http2Tr bool, GlobalTimeout time.Duration) (*http.Client, liberr.Error) {
dl := &net.Dialer{}
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: dl.DialContext,
DisableCompression: true,
//nolint #staticcheck
TLSClientConfig: libtls.GetTLSConfig(serverName),
}
return getclient(tr, http2Tr, GlobalTimeout)
}
func GetClientCustom(tr *http.Transport, http2Tr bool, GlobalTimeout time.Duration) (*http.Client, liberr.Error) {
return getclient(tr, http2Tr, GlobalTimeout)
}
func GetClientTls(serverName string, tls libtls.TLSConfig, http2Tr bool, GlobalTimeout time.Duration) (*http.Client, liberr.Error) {
dl := &net.Dialer{}
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: dl.DialContext,
DisableCompression: true,
//nolint #staticcheck
TLSClientConfig: tls.TlsConfig(serverName),
}
return getclient(tr, http2Tr, GlobalTimeout)
}
func GetClientTlsForceIp(netw Network, ip string, serverName string, tls libtls.TLSConfig, http2Tr bool, GlobalTimeout time.Duration) (*http.Client, liberr.Error) {
u := &url.URL{
Host: ip,
}
fctDial := func(ctx context.Context, network, address string) (net.Conn, error) {
dl := &net.Dialer{
LocalAddr: &net.TCPAddr{
IP: net.ParseIP(u.Hostname()),
},
}
return dl.DialContext(ctx, netw.Code(), ip)
}
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: fctDial,
DisableCompression: true,
//nolint #staticcheck
TLSClientConfig: tls.TlsConfig(serverName),
}
return getclient(tr, http2Tr, GlobalTimeout)
}
func getclient(tr *http.Transport, http2Tr bool, GlobalTimeout time.Duration) (*http.Client, liberr.Error) {
if http2Tr {
if e := http2.ConfigureTransport(tr); e != nil {
return nil, ErrorClientTransportHttp2.ErrorParent(e)
}
}
c := &http.Client{
Transport: tr,
}
if GlobalTimeout != 0 {
c.Timeout = GlobalTimeout
}
return c, nil
}