bench-forgejo/modules/httplib/httplib.go

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// Copyright 2013 The Beego Authors. All rights reserved.
// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
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package httplib
import (
"bytes"
"context"
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"crypto/tls"
"io"
"net"
"net/http"
"net/url"
"strings"
"time"
)
var defaultSetting = Settings{"GiteaServer", 60 * time.Second, 60 * time.Second, nil, nil}
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// newRequest returns *Request with specific method
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func newRequest(url, method string) *Request {
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var resp http.Response
req := http.Request{
Method: method,
Header: make(http.Header),
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
}
return &Request{url, &req, map[string]string{}, defaultSetting, &resp, nil}
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}
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// NewRequest returns *Request with specific method
func NewRequest(url, method string) *Request {
return newRequest(url, method)
}
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// Settings is the default settings for http client
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type Settings struct {
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UserAgent string
ConnectTimeout time.Duration
ReadWriteTimeout time.Duration
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TLSClientConfig *tls.Config
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Transport http.RoundTripper
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}
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// Request provides more useful methods for requesting one url than http.Request.
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type Request struct {
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url string
req *http.Request
params map[string]string
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setting Settings
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resp *http.Response
body []byte
}
// SetContext sets the request's Context
func (r *Request) SetContext(ctx context.Context) *Request {
r.req = r.req.WithContext(ctx)
return r
}
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// SetTimeout sets connect time out and read-write time out for BeegoRequest.
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func (r *Request) SetTimeout(connectTimeout, readWriteTimeout time.Duration) *Request {
r.setting.ConnectTimeout = connectTimeout
r.setting.ReadWriteTimeout = readWriteTimeout
return r
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}
// SetTLSClientConfig sets tls connection configurations if visiting https url.
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func (r *Request) SetTLSClientConfig(config *tls.Config) *Request {
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r.setting.TLSClientConfig = config
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return r
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}
// Header add header item string in request.
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func (r *Request) Header(key, value string) *Request {
r.req.Header.Set(key, value)
return r
}
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// SetTransport sets transport to
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func (r *Request) SetTransport(transport http.RoundTripper) *Request {
r.setting.Transport = transport
return r
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}
// Param adds query param in to request.
// params build query string as ?key1=value1&key2=value2...
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func (r *Request) Param(key, value string) *Request {
r.params[key] = value
return r
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}
// Body adds request raw body.
// it supports string and []byte.
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func (r *Request) Body(data interface{}) *Request {
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switch t := data.(type) {
case string:
bf := bytes.NewBufferString(t)
r.req.Body = io.NopCloser(bf)
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r.req.ContentLength = int64(len(t))
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case []byte:
bf := bytes.NewBuffer(t)
r.req.Body = io.NopCloser(bf)
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r.req.ContentLength = int64(len(t))
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}
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return r
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}
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func (r *Request) getResponse() (*http.Response, error) {
if r.resp.StatusCode != 0 {
return r.resp, nil
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}
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var paramBody string
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if len(r.params) > 0 {
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var buf bytes.Buffer
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for k, v := range r.params {
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buf.WriteString(url.QueryEscape(k))
buf.WriteByte('=')
buf.WriteString(url.QueryEscape(v))
buf.WriteByte('&')
}
paramBody = buf.String()
paramBody = paramBody[0 : len(paramBody)-1]
}
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if r.req.Method == "GET" && len(paramBody) > 0 {
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if strings.Contains(r.url, "?") {
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r.url += "&" + paramBody
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} else {
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r.url = r.url + "?" + paramBody
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}
} else if r.req.Method == "POST" && r.req.Body == nil && len(paramBody) > 0 {
r.Header("Content-Type", "application/x-www-form-urlencoded")
r.Body(paramBody)
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}
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url, err := url.Parse(r.url)
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if err != nil {
return nil, err
}
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r.req.URL = url
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trans := r.setting.Transport
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if trans == nil {
// create default transport
trans = &http.Transport{
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TLSClientConfig: r.setting.TLSClientConfig,
Proxy: http.ProxyFromEnvironment,
DialContext: TimeoutDialer(r.setting.ConnectTimeout),
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}
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} else if t, ok := trans.(*http.Transport); ok {
if t.TLSClientConfig == nil {
t.TLSClientConfig = r.setting.TLSClientConfig
}
if t.DialContext == nil {
t.DialContext = TimeoutDialer(r.setting.ConnectTimeout)
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}
}
client := &http.Client{
Transport: trans,
Timeout: r.setting.ReadWriteTimeout,
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}
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if len(r.setting.UserAgent) > 0 && len(r.req.Header.Get("User-Agent")) == 0 {
r.req.Header.Set("User-Agent", r.setting.UserAgent)
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}
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resp, err := client.Do(r.req)
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if err != nil {
return nil, err
}
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r.resp = resp
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return resp, nil
}
// Response executes request client gets response manually.
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func (r *Request) Response() (*http.Response, error) {
return r.getResponse()
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}
// TimeoutDialer returns functions of connection dialer with timeout settings for http.Transport Dial field.
func TimeoutDialer(cTimeout time.Duration) func(ctx context.Context, net, addr string) (c net.Conn, err error) {
return func(ctx context.Context, netw, addr string) (net.Conn, error) {
d := net.Dialer{Timeout: cTimeout}
conn, err := d.DialContext(ctx, netw, addr)
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if err != nil {
return nil, err
}
return conn, nil
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}
}