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// Copyright 2013 The Beego Authors. All rights reserved.
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// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package httplib |
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import ( |
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"bytes" |
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"crypto/tls" |
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"encoding/json" |
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"encoding/xml" |
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"io" |
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"io/ioutil" |
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"net" |
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"net/http" |
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"net/http/httputil" |
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"net/url" |
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"os" |
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"strings" |
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"time" |
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) |
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var defaultUserAgent = "gogsServer" |
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// Get returns *BeegoHttpRequest with GET method.
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func Get(url string) *BeegoHttpRequest { |
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var req http.Request |
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req.Method = "GET" |
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req.Header = http.Header{} |
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req.Header.Set("User-Agent", defaultUserAgent) |
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return &BeegoHttpRequest{url, &req, map[string]string{}, false, 60 * time.Second, 60 * time.Second, nil, nil, nil} |
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} |
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// Post returns *BeegoHttpRequest with POST method.
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func Post(url string) *BeegoHttpRequest { |
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var req http.Request |
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req.Method = "POST" |
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req.Header = http.Header{} |
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req.Header.Set("User-Agent", defaultUserAgent) |
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return &BeegoHttpRequest{url, &req, map[string]string{}, false, 60 * time.Second, 60 * time.Second, nil, nil, nil} |
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} |
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// Put returns *BeegoHttpRequest with PUT method.
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func Put(url string) *BeegoHttpRequest { |
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var req http.Request |
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req.Method = "PUT" |
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req.Header = http.Header{} |
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req.Header.Set("User-Agent", defaultUserAgent) |
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return &BeegoHttpRequest{url, &req, map[string]string{}, false, 60 * time.Second, 60 * time.Second, nil, nil, nil} |
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} |
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// Delete returns *BeegoHttpRequest DELETE GET method.
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func Delete(url string) *BeegoHttpRequest { |
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var req http.Request |
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req.Method = "DELETE" |
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req.Header = http.Header{} |
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req.Header.Set("User-Agent", defaultUserAgent) |
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return &BeegoHttpRequest{url, &req, map[string]string{}, false, 60 * time.Second, 60 * time.Second, nil, nil, nil} |
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} |
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// Head returns *BeegoHttpRequest with HEAD method.
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func Head(url string) *BeegoHttpRequest { |
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var req http.Request |
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req.Method = "HEAD" |
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req.Header = http.Header{} |
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req.Header.Set("User-Agent", defaultUserAgent) |
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return &BeegoHttpRequest{url, &req, map[string]string{}, false, 60 * time.Second, 60 * time.Second, nil, nil, nil} |
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} |
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// BeegoHttpRequest provides more useful methods for requesting one url than http.Request.
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type BeegoHttpRequest struct { |
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url string |
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req *http.Request |
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params map[string]string |
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showdebug bool |
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connectTimeout time.Duration |
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readWriteTimeout time.Duration |
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tlsClientConfig *tls.Config |
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proxy func(*http.Request) (*url.URL, error) |
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transport http.RoundTripper |
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} |
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// Debug sets show debug or not when executing request.
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func (b *BeegoHttpRequest) Debug(isdebug bool) *BeegoHttpRequest { |
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b.showdebug = isdebug |
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return b |
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} |
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// SetTimeout sets connect time out and read-write time out for BeegoRequest.
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func (b *BeegoHttpRequest) SetTimeout(connectTimeout, readWriteTimeout time.Duration) *BeegoHttpRequest { |
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b.connectTimeout = connectTimeout |
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b.readWriteTimeout = readWriteTimeout |
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return b |
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} |
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// SetTLSClientConfig sets tls connection configurations if visiting https url.
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func (b *BeegoHttpRequest) SetTLSClientConfig(config *tls.Config) *BeegoHttpRequest { |
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b.tlsClientConfig = config |
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return b |
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} |
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// Header add header item string in request.
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func (b *BeegoHttpRequest) Header(key, value string) *BeegoHttpRequest { |
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b.req.Header.Set(key, value) |
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return b |
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} |
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// SetCookie add cookie into request.
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func (b *BeegoHttpRequest) SetCookie(cookie *http.Cookie) *BeegoHttpRequest { |
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b.req.Header.Add("Cookie", cookie.String()) |
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return b |
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} |
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// Set transport to
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func (b *BeegoHttpRequest) SetTransport(transport http.RoundTripper) *BeegoHttpRequest { |
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b.transport = transport |
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return b |
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} |
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// Set http proxy
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// example:
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//
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// func(req *http.Request) (*url.URL, error) {
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// u, _ := url.ParseRequestURI("http://127.0.0.1:8118")
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// return u, nil
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// }
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func (b *BeegoHttpRequest) SetProxy(proxy func(*http.Request) (*url.URL, error)) *BeegoHttpRequest { |
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b.proxy = proxy |
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return b |
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} |
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// Param adds query param in to request.
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// params build query string as ?key1=value1&key2=value2...
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func (b *BeegoHttpRequest) Param(key, value string) *BeegoHttpRequest { |
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b.params[key] = value |
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return b |
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} |
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// Body adds request raw body.
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// it supports string and []byte.
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func (b *BeegoHttpRequest) Body(data interface{}) *BeegoHttpRequest { |
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switch t := data.(type) { |
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case string: |
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bf := bytes.NewBufferString(t) |
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b.req.Body = ioutil.NopCloser(bf) |
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b.req.ContentLength = int64(len(t)) |
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case []byte: |
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bf := bytes.NewBuffer(t) |
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b.req.Body = ioutil.NopCloser(bf) |
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b.req.ContentLength = int64(len(t)) |
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} |
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return b |
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} |
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func (b *BeegoHttpRequest) getResponse() (*http.Response, error) { |
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var paramBody string |
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if len(b.params) > 0 { |
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var buf bytes.Buffer |
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for k, v := range b.params { |
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buf.WriteString(url.QueryEscape(k)) |
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buf.WriteByte('=') |
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buf.WriteString(url.QueryEscape(v)) |
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buf.WriteByte('&') |
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} |
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paramBody = buf.String() |
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paramBody = paramBody[0 : len(paramBody)-1] |
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} |
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if b.req.Method == "GET" && len(paramBody) > 0 { |
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if strings.Index(b.url, "?") != -1 { |
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b.url += "&" + paramBody |
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} else { |
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b.url = b.url + "?" + paramBody |
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} |
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} else if b.req.Method == "POST" && b.req.Body == nil && len(paramBody) > 0 { |
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b.Header("Content-Type", "application/x-www-form-urlencoded") |
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b.Body(paramBody) |
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} |
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url, err := url.Parse(b.url) |
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if url.Scheme == "" { |
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b.url = "http://" + b.url |
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url, err = url.Parse(b.url) |
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} |
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if err != nil { |
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return nil, err |
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} |
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b.req.URL = url |
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if b.showdebug { |
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dump, err := httputil.DumpRequest(b.req, true) |
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if err != nil { |
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println(err.Error()) |
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} |
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println(string(dump)) |
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} |
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trans := b.transport |
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if trans == nil { |
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// create default transport
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trans = &http.Transport{ |
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TLSClientConfig: b.tlsClientConfig, |
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Proxy: b.proxy, |
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Dial: TimeoutDialer(b.connectTimeout, b.readWriteTimeout), |
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} |
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} else { |
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// if b.transport is *http.Transport then set the settings.
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if t, ok := trans.(*http.Transport); ok { |
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if t.TLSClientConfig == nil { |
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t.TLSClientConfig = b.tlsClientConfig |
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} |
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if t.Proxy == nil { |
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t.Proxy = b.proxy |
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} |
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if t.Dial == nil { |
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t.Dial = TimeoutDialer(b.connectTimeout, b.readWriteTimeout) |
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} |
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} |
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} |
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client := &http.Client{ |
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Transport: trans, |
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} |
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resp, err := client.Do(b.req) |
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if err != nil { |
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return nil, err |
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} |
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return resp, nil |
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} |
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// String returns the body string in response.
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// it calls Response inner.
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func (b *BeegoHttpRequest) String() (string, error) { |
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data, err := b.Bytes() |
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if err != nil { |
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return "", err |
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} |
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return string(data), nil |
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} |
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// Bytes returns the body []byte in response.
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// it calls Response inner.
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func (b *BeegoHttpRequest) Bytes() ([]byte, error) { |
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resp, err := b.getResponse() |
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if err != nil { |
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return nil, err |
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} |
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if resp.Body == nil { |
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return nil, nil |
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} |
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defer resp.Body.Close() |
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data, err := ioutil.ReadAll(resp.Body) |
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if err != nil { |
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return nil, err |
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} |
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return data, nil |
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} |
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// ToFile saves the body data in response to one file.
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// it calls Response inner.
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func (b *BeegoHttpRequest) ToFile(filename string) error { |
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f, err := os.Create(filename) |
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if err != nil { |
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return err |
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} |
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defer f.Close() |
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resp, err := b.getResponse() |
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if err != nil { |
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return err |
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} |
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if resp.Body == nil { |
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return nil |
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} |
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defer resp.Body.Close() |
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_, err = io.Copy(f, resp.Body) |
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if err != nil { |
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return err |
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} |
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return nil |
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} |
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// ToJson returns the map that marshals from the body bytes as json in response .
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// it calls Response inner.
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func (b *BeegoHttpRequest) ToJson(v interface{}) error { |
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data, err := b.Bytes() |
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if err != nil { |
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return err |
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} |
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err = json.Unmarshal(data, v) |
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if err != nil { |
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return err |
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} |
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return nil |
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} |
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// ToXml returns the map that marshals from the body bytes as xml in response .
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// it calls Response inner.
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func (b *BeegoHttpRequest) ToXML(v interface{}) error { |
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data, err := b.Bytes() |
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if err != nil { |
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return err |
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} |
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err = xml.Unmarshal(data, v) |
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if err != nil { |
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return err |
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} |
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return nil |
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} |
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// Response executes request client gets response mannually.
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func (b *BeegoHttpRequest) Response() (*http.Response, error) { |
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return b.getResponse() |
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} |
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// TimeoutDialer returns functions of connection dialer with timeout settings for http.Transport Dial field.
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func TimeoutDialer(cTimeout time.Duration, rwTimeout time.Duration) func(net, addr string) (c net.Conn, err error) { |
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return func(netw, addr string) (net.Conn, error) { |
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conn, err := net.DialTimeout(netw, addr, cTimeout) |
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if err != nil { |
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return nil, err |
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} |
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conn.SetDeadline(time.Now().Add(rwTimeout)) |
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return conn, nil |
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} |
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} |
Unknown
10 years ago