99 lines
3 KiB
Go
99 lines
3 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors.
|
|
|
|
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 rest
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"net/http"
|
|
|
|
"k8s.io/client-go/transport"
|
|
)
|
|
|
|
// TLSConfigFor returns a tls.Config that will provide the transport level security defined
|
|
// by the provided Config. Will return nil if no transport level security is requested.
|
|
func TLSConfigFor(config *Config) (*tls.Config, error) {
|
|
cfg, err := config.TransportConfig()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return transport.TLSConfigFor(cfg)
|
|
}
|
|
|
|
// TransportFor returns an http.RoundTripper that will provide the authentication
|
|
// or transport level security defined by the provided Config. Will return the
|
|
// default http.DefaultTransport if no special case behavior is needed.
|
|
func TransportFor(config *Config) (http.RoundTripper, error) {
|
|
cfg, err := config.TransportConfig()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return transport.New(cfg)
|
|
}
|
|
|
|
// HTTPWrappersForConfig wraps a round tripper with any relevant layered behavior from the
|
|
// config. Exposed to allow more clients that need HTTP-like behavior but then must hijack
|
|
// the underlying connection (like WebSocket or HTTP2 clients). Pure HTTP clients should use
|
|
// the higher level TransportFor or RESTClientFor methods.
|
|
func HTTPWrappersForConfig(config *Config, rt http.RoundTripper) (http.RoundTripper, error) {
|
|
cfg, err := config.TransportConfig()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return transport.HTTPWrappersForConfig(cfg, rt)
|
|
}
|
|
|
|
// TransportConfig converts a client config to an appropriate transport config.
|
|
func (c *Config) TransportConfig() (*transport.Config, error) {
|
|
wt := c.WrapTransport
|
|
if c.AuthProvider != nil {
|
|
provider, err := GetAuthProvider(c.Host, c.AuthProvider, c.AuthConfigPersister)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if wt != nil {
|
|
previousWT := wt
|
|
wt = func(rt http.RoundTripper) http.RoundTripper {
|
|
return provider.WrapTransport(previousWT(rt))
|
|
}
|
|
} else {
|
|
wt = provider.WrapTransport
|
|
}
|
|
}
|
|
return &transport.Config{
|
|
UserAgent: c.UserAgent,
|
|
Transport: c.Transport,
|
|
WrapTransport: wt,
|
|
TLS: transport.TLSConfig{
|
|
Insecure: c.Insecure,
|
|
ServerName: c.ServerName,
|
|
CAFile: c.CAFile,
|
|
CAData: c.CAData,
|
|
CertFile: c.CertFile,
|
|
CertData: c.CertData,
|
|
KeyFile: c.KeyFile,
|
|
KeyData: c.KeyData,
|
|
},
|
|
Username: c.Username,
|
|
Password: c.Password,
|
|
BearerToken: c.BearerToken,
|
|
Impersonate: transport.ImpersonationConfig{
|
|
UserName: c.Impersonate.UserName,
|
|
Groups: c.Impersonate.Groups,
|
|
Extra: c.Impersonate.Extra,
|
|
},
|
|
}, nil
|
|
}
|