src/cmd/go/http.go

// Copyright 2012 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build !cmd_go_bootstrap

// This code is compiled into the real 'go' binary, but it is not
// compiled into the binary that is built during all.bash, so as
// to avoid needing to build net (and thus use cgo) during the
// bootstrap process.

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
)

// httpGET returns the data from an HTTP GET request for the given URL.
func httpGET(url string) ([]byte, error) {
	resp, err := http.Get(url)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != 200 {
		return nil, fmt.Errorf("%s: %s", url, resp.Status)
	}
	b, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, fmt.Errorf("%s: %v", url, err)
	}
	return b, nil
}