github.com/rigado/snapd@v2.42.5-go-mod+incompatible/httputil/client.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2018 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package httputil
    21  
    22  import (
    23  	"crypto/tls"
    24  	"net/http"
    25  	"net/url"
    26  	"time"
    27  )
    28  
    29  type ClientOptions struct {
    30  	Timeout    time.Duration
    31  	TLSConfig  *tls.Config
    32  	MayLogBody bool
    33  	Proxy      func(*http.Request) (*url.URL, error)
    34  }
    35  
    36  // NewHTTPCLient returns a new http.Client with a LoggedTransport, a
    37  // Timeout and preservation of range requests across redirects
    38  func NewHTTPClient(opts *ClientOptions) *http.Client {
    39  	if opts == nil {
    40  		opts = &ClientOptions{}
    41  	}
    42  
    43  	transport := newDefaultTransport()
    44  	transport.TLSClientConfig = opts.TLSConfig
    45  	if opts.Proxy != nil {
    46  		transport.Proxy = opts.Proxy
    47  	}
    48  
    49  	return &http.Client{
    50  		Transport: &LoggedTransport{
    51  			Transport: transport,
    52  			Key:       "SNAPD_DEBUG_HTTP",
    53  			body:      opts.MayLogBody,
    54  		},
    55  		Timeout:       opts.Timeout,
    56  		CheckRedirect: checkRedirect,
    57  	}
    58  }