mirror of
https://github.com/octoleo/restic.git
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87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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)
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type logTransport struct {
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rt http.RoundTripper
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}
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func (t *logTransport) RoundTrip(req *http.Request) (*http.Response, error) {
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var buf bytes.Buffer
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os.Stdout.Write([]byte("\n[request]\n"))
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if req.Body != nil {
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req.Body = ioutil.NopCloser(&readButCopy{req.Body, &buf})
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}
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req.Write(os.Stdout)
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if req.Body != nil {
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req.Body = ioutil.NopCloser(&buf)
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}
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os.Stdout.Write([]byte("\n[/request]\n"))
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res, err := t.rt.RoundTrip(req)
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fmt.Printf("[response]\n")
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if err != nil {
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fmt.Printf("ERROR: %v", err)
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} else {
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body := res.Body
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res.Body = nil
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res.Write(os.Stdout)
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if body != nil {
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res.Body = ioutil.NopCloser(&echoAsRead{body})
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}
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}
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return res, err
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}
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type echoAsRead struct {
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src io.Reader
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}
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func (r *echoAsRead) Read(p []byte) (int, error) {
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n, err := r.src.Read(p)
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if n > 0 {
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os.Stdout.Write(p[:n])
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}
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if err == io.EOF {
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fmt.Printf("\n[/response]\n")
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}
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return n, err
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}
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type readButCopy struct {
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src io.Reader
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dst io.Writer
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}
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func (r *readButCopy) Read(p []byte) (int, error) {
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n, err := r.src.Read(p)
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if n > 0 {
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r.dst.Write(p[:n])
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}
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return n, err
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}
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