mirror of https://github.com/knative/client.git
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright © 2019 The Knative 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 util
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/http/httputil"
|
|
"os"
|
|
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
)
|
|
|
|
var (
|
|
// sensitiveRequestHeaders are headers that will be redacted when logging requests.
|
|
sensitiveRequestHeaders = sets.NewString(
|
|
"Authorization",
|
|
"WWW-Authenticate",
|
|
"Cookie",
|
|
"Proxy-Authorization")
|
|
)
|
|
|
|
type LoggingHttpTransport struct {
|
|
transport http.RoundTripper
|
|
stream io.Writer
|
|
}
|
|
|
|
func NewLoggingTransport(transport http.RoundTripper) http.RoundTripper {
|
|
return &LoggingHttpTransport{transport, nil}
|
|
}
|
|
|
|
func NewLoggingTransportWithStream(transport http.RoundTripper, s io.Writer) http.RoundTripper {
|
|
return &LoggingHttpTransport{transport, s}
|
|
}
|
|
|
|
func (t *LoggingHttpTransport) RoundTrip(r *http.Request) (*http.Response, error) {
|
|
stream := t.stream
|
|
if stream == nil {
|
|
stream = os.Stderr
|
|
}
|
|
redacted := http.Header{}
|
|
for k, v := range r.Header {
|
|
if sensitiveRequestHeaders.Has(k) {
|
|
redacted[k] = v
|
|
r.Header.Set(k, "********")
|
|
}
|
|
}
|
|
reqBytes, err := httputil.DumpRequestOut(r, true)
|
|
if err != nil {
|
|
fmt.Fprintln(stream, "error dumping request:", err)
|
|
return nil, fmt.Errorf("dumping request: %w", err)
|
|
}
|
|
fmt.Fprintln(stream, "===== REQUEST =====")
|
|
fmt.Fprintln(stream, string(reqBytes))
|
|
|
|
for k, v := range redacted {
|
|
r.Header[k] = v
|
|
}
|
|
|
|
resp, err := t.transport.RoundTrip(r)
|
|
if err != nil {
|
|
fmt.Fprintln(stream, "===== ERROR =====")
|
|
fmt.Fprintln(stream, err)
|
|
} else {
|
|
respBytes, _ := httputil.DumpResponse(resp, true)
|
|
fmt.Fprintln(stream, "===== RESPONSE =====")
|
|
fmt.Fprintln(stream, string(respBytes))
|
|
fmt.Fprintln(stream, " * * * * * *")
|
|
}
|
|
return resp, err
|
|
}
|