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request.go
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request.go
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package utils
import (
"crypto/md5"
"fmt"
"io"
"io/ioutil"
"math/rand"
"net/http"
netUrl "net/url"
"strconv"
"strings"
"time"
)
// DEBUG 是否开启打印调试信息
var DEBUG bool
// EapiRequest 返回内容加密的 API 请求
func EapiRequest(eapiOption EapiOption, options RequestData) (result string, header http.Header, err error) {
data := SpliceStr(eapiOption.Path, eapiOption.Json)
answer, header, err := CreateNewRequest(Format2Params(data), eapiOption.Url, options)
if err == nil {
decrypted := EapiDecrypt([]byte(answer))
if DEBUG {
log.Printf("[RespBodyJson]: %s", string(decrypted))
log.Printf("[RespHeader]: %s", header)
}
return string(decrypted), header, nil
}
return "", header, err
}
// ApiRequest 返回内容未加密的 API 请求
func ApiRequest(eapiOption EapiOption, options RequestData) (result string, header http.Header, err error) {
data := SpliceStr(eapiOption.Path, eapiOption.Json)
answer, header, err := CreateNewRequest(Format2Params(data), eapiOption.Url, options)
if err == nil {
if DEBUG {
log.Printf("[RespBodyJson]: %s", answer)
log.Printf("[RespHeader]: %s", header)
}
return answer, header, nil
}
return "", header, err
}
// RawRequest 用于上传文件
func RawRequest(url string, options RequestData) (result string, err error) {
answer, _, err := CreateNewRequest(options.Body, url, options)
if err == nil {
if DEBUG {
log.Printf("[RespBody]: %s", answer)
}
return answer, nil
}
return "", err
}
// SpliceStr 拼接字符串
func SpliceStr(path string, data string) (result string) {
nobodyKnowThis := "36cd479b6b5"
text := fmt.Sprintf("nobody%suse%smd5forencrypt", path, data)
MD5 := md5.Sum([]byte(text))
md5str := fmt.Sprintf("%x", MD5)
result = fmt.Sprintf("%s-%s-%s-%s-%s", path, nobodyKnowThis, data, nobodyKnowThis, md5str)
return result
}
// Format2Params 拼接字符串
func Format2Params(str string) (data string) {
data = fmt.Sprintf("params=%X", EapiEncrypt(str))
return data
}
// ChooseUserAgent 随机 UserAgent
func ChooseUserAgent() string {
userAgentList := []string{
"Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1",
"Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1",
"Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
"Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
"Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36",
"Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Mobile/14F89;GameHelper",
"Mozilla/5.0 (iPhone; CPU iPhone OS 10_0 like Mac OS X) AppleWebKit/602.1.38 (KHTML, like Gecko) Version/10.0 Mobile/14A300 Safari/602.1",
"NeteaseMusic/6.5.0.1575377963(164);Dalvik/2.1.0 (Linux; U; Android 9; MIX 2 MIUI/V12.0.1.0.PDECNXM)",
}
rand.Seed(time.Now().UnixNano())
var index int
index = rand.Intn(len(userAgentList))
return userAgentList[index]
}
func encodeURIComponent(str string) string {
r := netUrl.QueryEscape(str)
r = strings.Replace(r, "+", "%20", -1)
return r
}
// CreateNewRequest 创建 eapi 请求
func CreateNewRequest(data string, url string, options RequestData) (answer string, resHeader http.Header, err error) {
client := &http.Client{}
reqBody := strings.NewReader(data)
req, err := http.NewRequest("POST", url, reqBody)
if err != nil {
return "", resHeader, err
}
cookie := map[string]interface{}{}
for _, v := range options.Cookies {
cookie[v.Name] = v.Value
}
for _, v := range options.Headers {
req.Header.Set(v.Name, v.Value)
}
cookie["appver"] = "8.10.05"
cookie["buildver"] = strconv.FormatInt(time.Now().Unix(), 10)[0:10]
cookie["resolution"] = "1920x1080"
cookie["os"] = "Android"
_, ok := cookie["MUSIC_U"]
if !ok {
_, ok := cookie["MUSIC_A"]
if !ok {
cookie["MUSIC_A"] = "4ee5f776c9ed1e4d5f031b09e084c6cb333e43ee4a841afeebbef9bbf4b7e4152b51ff20ecb9e8ee9e89ab23044cf50d1609e4781e805e73a138419e5583bc7fd1e5933c52368d9127ba9ce4e2f233bf5a77ba40ea6045ae1fc612ead95d7b0e0edf70a74334194e1a190979f5fc12e9968c3666a981495b33a649814e309366"
}
}
var cookies string
for key, val := range cookie {
cookies += encodeURIComponent(key) + "=" + encodeURIComponent(fmt.Sprintf("%v", val)) + "; "
}
req.Header.Set("Cookie", strings.TrimRight(cookies, "; "))
if len(req.Header["Content-Type"]) == 0 {
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
}
req.Header.Set("User-Agent", ChooseUserAgent())
if DEBUG {
log.Printf("[Request]: %+v", req)
if len([]byte(data)) < 51200 {
log.Printf("[ReqBody]: %+v", data)
}
}
resp, err := client.Do(req)
if err != nil {
return "", resHeader, err
}
defer func(Body io.ReadCloser) {
err := Body.Close()
if err != nil {
log.Println(err)
}
}(resp.Body)
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", resHeader, err
}
return string(body), resp.Header, nil
}