github.com/ck00004/CobaltStrikeParser-Go@v1.0.14/lib/http/httputil/example_test.go (about)

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package httputil_test
     6  
     7  import (
     8  	"fmt"
     9  	"io"
    10  	"log"
    11  	"strings"
    12  
    13  	"github.com/ck00004/CobaltStrikeParser-Go/lib/url"
    14  
    15  	"github.com/ck00004/CobaltStrikeParser-Go/lib/http/httputil"
    16  
    17  	"github.com/ck00004/CobaltStrikeParser-Go/lib/http"
    18  
    19  	"github.com/ck00004/CobaltStrikeParser-Go/lib/http/httptest"
    20  )
    21  
    22  func ExampleDumpRequest() {
    23  	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    24  		dump, err := httputil.DumpRequest(r, true)
    25  		if err != nil {
    26  			http.Error(w, fmt.Sprint(err), http.StatusInternalServerError)
    27  			return
    28  		}
    29  
    30  		fmt.Fprintf(w, "%q", dump)
    31  	}))
    32  	defer ts.Close()
    33  
    34  	const body = "Go is a general-purpose language designed with systems programming in mind."
    35  	req, err := http.NewRequest("POST", ts.URL, strings.NewReader(body))
    36  	if err != nil {
    37  		log.Fatal(err)
    38  	}
    39  	req.Host = "www.example.org"
    40  	resp, err := http.DefaultClient.Do(req)
    41  	if err != nil {
    42  		log.Fatal(err)
    43  	}
    44  	defer resp.Body.Close()
    45  
    46  	b, err := io.ReadAll(resp.Body)
    47  	if err != nil {
    48  		log.Fatal(err)
    49  	}
    50  
    51  	fmt.Printf("%s", b)
    52  
    53  	// Output:
    54  	// "POST / HTTP/1.1\r\nHost: www.example.org\r\nAccept-Encoding: gzip\r\nContent-Length: 75\r\nUser-Agent: Go-http-client/1.1\r\n\r\nGo is a general-purpose language designed with systems programming in mind."
    55  }
    56  
    57  func ExampleDumpRequestOut() {
    58  	const body = "Go is a general-purpose language designed with systems programming in mind."
    59  	req, err := http.NewRequest("PUT", "http://www.example.org", strings.NewReader(body))
    60  	if err != nil {
    61  		log.Fatal(err)
    62  	}
    63  
    64  	dump, err := httputil.DumpRequestOut(req, true)
    65  	if err != nil {
    66  		log.Fatal(err)
    67  	}
    68  
    69  	fmt.Printf("%q", dump)
    70  
    71  	// Output:
    72  	// "PUT / HTTP/1.1\r\nHost: www.example.org\r\nUser-Agent: Go-http-client/1.1\r\nContent-Length: 75\r\nAccept-Encoding: gzip\r\n\r\nGo is a general-purpose language designed with systems programming in mind."
    73  }
    74  
    75  func ExampleDumpResponse() {
    76  	const body = "Go is a general-purpose language designed with systems programming in mind."
    77  	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    78  		w.Header().Set("Date", "Wed, 19 Jul 1972 19:00:00 GMT")
    79  		fmt.Fprintln(w, body)
    80  	}))
    81  	defer ts.Close()
    82  
    83  	resp, err := http.Get(ts.URL)
    84  	if err != nil {
    85  		log.Fatal(err)
    86  	}
    87  	defer resp.Body.Close()
    88  
    89  	dump, err := httputil.DumpResponse(resp, true)
    90  	if err != nil {
    91  		log.Fatal(err)
    92  	}
    93  
    94  	fmt.Printf("%q", dump)
    95  
    96  	// Output:
    97  	// "HTTP/1.1 200 OK\r\nContent-Length: 76\r\nContent-Type: text/plain; charset=utf-8\r\nDate: Wed, 19 Jul 1972 19:00:00 GMT\r\n\r\nGo is a general-purpose language designed with systems programming in mind.\n"
    98  }
    99  
   100  func ExampleReverseProxy() {
   101  	backendServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
   102  		fmt.Fprintln(w, "this call was relayed by the reverse proxy")
   103  	}))
   104  	defer backendServer.Close()
   105  
   106  	rpURL, err := url.Parse(backendServer.URL)
   107  	if err != nil {
   108  		log.Fatal(err)
   109  	}
   110  	frontendProxy := httptest.NewServer(httputil.NewSingleHostReverseProxy(rpURL))
   111  	defer frontendProxy.Close()
   112  
   113  	resp, err := http.Get(frontendProxy.URL)
   114  	if err != nil {
   115  		log.Fatal(err)
   116  	}
   117  
   118  	b, err := io.ReadAll(resp.Body)
   119  	if err != nil {
   120  		log.Fatal(err)
   121  	}
   122  
   123  	fmt.Printf("%s", b)
   124  
   125  	// Output:
   126  	// this call was relayed by the reverse proxy
   127  }