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options.go
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options.go
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// Copyright 2023 Linka Cloud All rights reserved.
//
// 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 client
import (
"crypto/x509"
"net/http"
)
type Option func(*options)
type Options interface {
Scheme() string
Host() string
PlainHTTP() bool
Insecure() bool
CA() *x509.CertPool
BasicAuth() (username, password string, ok bool)
}
type options struct {
plainHTTP bool
insecure bool
caPool *x509.CertPool
user, pass string
ua string
host string
errorParser ErrorParser
transport http.RoundTripper
}
func (o options) Scheme() string {
if o.plainHTTP {
return "http"
}
return "https"
}
func (o options) Host() string {
return o.host
}
func (o options) PlainHTTP() bool {
return o.plainHTTP
}
func (o options) Insecure() bool {
return o.insecure
}
func (o options) CA() *x509.CertPool {
return o.caPool
}
func (o options) BasicAuth() (username, password string, ok bool) {
return o.user, o.pass, o.user != "" || o.pass != ""
}
func (o options) apply(opts ...Option) options {
for _, v := range opts {
v(&o)
}
return o
}
func WithPlainHTTP() Option {
return func(o *options) {
o.plainHTTP = true
}
}
func WithInsecure() Option {
return func(o *options) {
o.insecure = true
}
}
func WithClientCA(ca *x509.CertPool) Option {
return func(o *options) {
o.caPool = ca
}
}
func WithBasicAuth(user, pass string) Option {
return func(o *options) {
o.user = user
o.pass = pass
}
}
func WithErrorParser(p ErrorParser) Option {
return func(o *options) {
o.errorParser = p
}
}
func WithUserAgent(ua string) Option {
return func(o *options) {
o.ua = ua
}
}
func WithHost(h string) Option {
return func(o *options) {
o.host = h
}
}
func WithTransport(t http.RoundTripper) Option {
return func(o *options) {
o.transport = t
}
}