mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2020-11-18 19:53:40 -08:00
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
// Copyright 2018 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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// Command-line tool to view .marbl files. This tool reads all headers from provided .marbl
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// file and prints them to stdout. Bodies of request/response are not printed to stdout,
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// instead they are saved into individual files in form of "marbl_ID_TYPE" where
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// ID is the ID of request or response and TYPE is "request" or "response".
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//
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// Command line arguments:
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// --file Path to the .marbl file to view.
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// --out Optional, folder where this tool will save request/response bodies.
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// uses current folder by default.
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package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"github.com/google/martian/marbl"
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)
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var (
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file = flag.String("file", "", ".marbl file to show contents of")
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out = flag.String("out", "", "folder to write request/response bodies to. Folder must exist.")
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)
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func main() {
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flag.Parse()
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if *file == "" {
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fmt.Println("--file flag is required")
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return
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}
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file, err := os.Open(*file)
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if err != nil {
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log.Fatal(err)
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}
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reader := marbl.NewReader(file)
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// Iterate through all frames in .marbl file.
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for {
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frame, err := reader.ReadFrame()
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if frame == nil && err == io.EOF {
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break
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}
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if err != nil {
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log.Fatalf("reader.ReadFrame(): got %v, want no error or io.EOF\n", err)
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break
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}
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// Print current frame to stdout.
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if frame.FrameType() == marbl.HeaderFrame {
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fmt.Print("Header ")
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} else {
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fmt.Print("Data ")
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}
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fmt.Println(frame.String())
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// If frame is Data then we write it into separate
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// file that can be inspected later.
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if frame.FrameType() == marbl.DataFrame {
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df := frame.(marbl.Data)
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var t string
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if df.MessageType == marbl.Request {
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t = "request"
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} else if df.MessageType == marbl.Response {
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t = "response"
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} else {
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t = fmt.Sprintf("unknown_%d", df.MessageType)
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}
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fout := fmt.Sprintf("marbl_%s_%s", df.ID, t)
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if *out != "" {
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fout = *out + "/" + fout
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}
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fmt.Printf("Appending data to file %s\n", fout)
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// Append data to the file. Note that body can be split
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// into multiple frames so we have to append and not overwrite.
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f, err := os.OpenFile(fout, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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log.Fatal(err)
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}
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if _, err := f.Write(df.Data); err != nil {
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log.Fatal(err)
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}
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if err := f.Close(); err != nil {
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log.Fatal(err)
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}
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}
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}
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}
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