/
ghttp_client_request.go
272 lines (255 loc) · 8.19 KB
/
ghttp_client_request.go
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// Copyright 2017 gf Author(https://github.com/yyf330/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/yyf330/gf.
package ghttp
import (
"bytes"
"errors"
"fmt"
"github.com/yyf330/gf/internal/json"
"github.com/yyf330/gf/internal/utils"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"os"
"strings"
"time"
"github.com/yyf330/gf/encoding/gparser"
"github.com/yyf330/gf/text/gregex"
"github.com/yyf330/gf/text/gstr"
"github.com/yyf330/gf/util/gconv"
"github.com/yyf330/gf/os/gfile"
)
// Get send GET request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Get(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("GET", url, data...)
}
// Put send PUT request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Put(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("PUT", url, data...)
}
// Post sends request using HTTP method POST and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Post(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("POST", url, data...)
}
// Delete send DELETE request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Delete(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("DELETE", url, data...)
}
// Head send HEAD request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Head(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("HEAD", url, data...)
}
// Patch send PATCH request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Patch(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("PATCH", url, data...)
}
// Connect send CONNECT request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Connect(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("CONNECT", url, data...)
}
// Options send OPTIONS request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Options(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("OPTIONS", url, data...)
}
// Trace send TRACE request and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
func (c *Client) Trace(url string, data ...interface{}) (*ClientResponse, error) {
return c.DoRequest("TRACE", url, data...)
}
// DoRequest sends request with given HTTP method and data and returns the response object.
// Note that the response object MUST be closed if it'll be never used.
//
// Note that it uses "multipart/form-data" as its Content-Type if it contains file uploading,
// else it uses "application/x-www-form-urlencoded". It also automatically detects the post
// content for JSON format, and for that it automatically sets the Content-Type as
// "application/json".
func (c *Client) DoRequest(method, url string, data ...interface{}) (resp *ClientResponse, err error) {
method = strings.ToUpper(method)
if len(c.prefix) > 0 {
url = c.prefix + gstr.Trim(url)
}
param := ""
if len(data) > 0 {
switch c.header["Content-Type"] {
case "application/json":
switch data[0].(type) {
case string, []byte:
param = gconv.String(data[0])
default:
if b, err := json.Marshal(data[0]); err != nil {
return nil, err
} else {
param = gconv.UnsafeBytesToStr(b)
}
}
case "application/xml":
switch data[0].(type) {
case string, []byte:
param = gconv.String(data[0])
default:
if b, err := gparser.VarToXml(data[0]); err != nil {
return nil, err
} else {
param = gconv.UnsafeBytesToStr(b)
}
}
default:
param = BuildParams(data[0])
}
}
var req *http.Request
if method == "GET" {
// It appends the parameters to the url if http method is GET.
if param != "" {
if gstr.Contains(url, "?") {
url = url + "&" + param
} else {
url = url + "?" + param
}
}
if req, err = http.NewRequest(method, url, bytes.NewBuffer(nil)); err != nil {
return nil, err
}
} else {
if strings.Contains(param, "@file:") {
// File uploading request.
buffer := new(bytes.Buffer)
writer := multipart.NewWriter(buffer)
for _, item := range strings.Split(param, "&") {
array := strings.Split(item, "=")
if len(array[1]) > 6 && strings.Compare(array[1][0:6], "@file:") == 0 {
path := array[1][6:]
if !gfile.Exists(path) {
return nil, errors.New(fmt.Sprintf(`"%s" does not exist`, path))
}
if file, err := writer.CreateFormFile(array[0], gfile.Basename(path)); err == nil {
if f, err := os.Open(path); err == nil {
if _, err = io.Copy(file, f); err != nil {
f.Close()
return nil, err
}
f.Close()
} else {
return nil, err
}
} else {
return nil, err
}
} else {
if err = writer.WriteField(array[0], array[1]); err != nil {
return nil, err
}
}
}
// Close finishes the multipart message and writes the trailing
// boundary end line to the output.
if err = writer.Close(); err != nil {
return nil, err
}
if req, err = http.NewRequest(method, url, buffer); err != nil {
return nil, err
} else {
req.Header.Set("Content-Type", writer.FormDataContentType())
}
} else {
// Normal request.
paramBytes := []byte(param)
if req, err = http.NewRequest(method, url, bytes.NewReader(paramBytes)); err != nil {
return nil, err
} else {
if v, ok := c.header["Content-Type"]; ok {
// Custom Content-Type.
req.Header.Set("Content-Type", v)
} else if len(paramBytes) > 0 {
if (paramBytes[0] == '[' || paramBytes[0] == '{') && json.Valid(paramBytes) {
// Auto detecting and setting the post content format: JSON.
req.Header.Set("Content-Type", "application/json")
} else if gregex.IsMatchString(`^[\w\[\]]+=.+`, param) {
// If the parameters passed like "name=value", it then uses form type.
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
}
}
}
}
}
// Context.
if c.ctx != nil {
req = req.WithContext(c.ctx)
}
// Custom header.
if len(c.header) > 0 {
for k, v := range c.header {
req.Header.Set(k, v)
}
}
// It's necessary set the req.Host if you want to custom the host value of the request.
// It uses the "Host" value from header if it's not set in the request.
if host := req.Header.Get("Host"); host != "" && req.Host == "" {
req.Host = host
}
// Custom Cookie.
if len(c.cookies) > 0 {
headerCookie := ""
for k, v := range c.cookies {
if len(headerCookie) > 0 {
headerCookie += ";"
}
headerCookie += k + "=" + v
}
if len(headerCookie) > 0 {
req.Header.Set("Cookie", headerCookie)
}
}
// HTTP basic authentication.
if len(c.authUser) > 0 {
req.SetBasicAuth(c.authUser, c.authPass)
}
resp = &ClientResponse{
request: req,
}
// The request body can be reused for dumping
// raw HTTP request-response procedure.
reqBodyContent, _ := ioutil.ReadAll(req.Body)
resp.requestBody = reqBodyContent
req.Body = utils.NewReadCloser(reqBodyContent, false)
for {
if resp.Response, err = c.Do(req); err != nil {
// The response might not be nil when err != nil.
if resp.Response != nil {
resp.Response.Body.Close()
}
if c.retryCount > 0 {
c.retryCount--
time.Sleep(c.retryInterval)
} else {
return resp, err
}
} else {
break
}
}
// Auto saving cookie content.
if c.browserMode {
now := time.Now()
for _, v := range resp.Response.Cookies() {
if !v.Expires.IsZero() && v.Expires.UnixNano() < now.UnixNano() {
delete(c.cookies, v.Name)
} else {
c.cookies[v.Name] = v.Value
}
}
}
return resp, nil
}