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utils.go
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utils.go
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package qq_OAuth
import (
"strings"
"net/url"
"net/http"
"io/ioutil"
"math/rand"
"time"
)
type Utils struct {
}
func NewUtils() *Utils {
return &Utils{}
}
// http get request
func (utils *Utils) HttpGet(queryUrl string, queryValues map[string]string, headerValues map[string]string) (body string, code int, err error) {
req, err := http.NewRequest("GET", utils.QueryBuilder(queryUrl, queryValues), nil)
if err != nil {
return
}
if (headerValues != nil) && (len(headerValues) > 0) {
for key, value := range headerValues {
req.Header.Set(key, value)
}
}
client := &http.Client{}
resp, err := client.Do(req)
code = resp.StatusCode
defer resp.Body.Close()
bodyByte, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
return string(bodyByte), code, nil
}
// http post request
func (utils *Utils) HttpPost(queryUrl string, queryValues map[string]string, headerValues map[string]string) (body string, code int, err error) {
if !strings.Contains(queryUrl, "?") {
queryUrl += "?"
}
queryString := ""
for queryKey, queryValue := range queryValues {
queryString = queryString + "&" + queryKey + "=" + url.QueryEscape(queryValue)
}
queryString = strings.Replace(queryString, "&", "", 1)
req, err := http.NewRequest("POST", queryUrl, strings.NewReader(queryString))
if err != nil {
return
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
if (headerValues != nil) && (len(headerValues) > 0) {
for key, value := range headerValues {
req.Header.Set(key, value)
}
}
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return
}
code = resp.StatusCode
defer resp.Body.Close()
bodyByte, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
return string(bodyByte), code, nil
}
// get rand string
func (utils *Utils) RandString(strLen int) string {
codes := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
codeLen := len(codes)
data := make([]byte, strLen)
rand.Seed(time.Now().UnixNano() + rand.Int63() + rand.Int63() + rand.Int63() + rand.Int63())
for i := 0; i < strLen; i++ {
idx := rand.Intn(codeLen)
data[i] = byte(codes[idx])
}
return string(data)
}
// build query params
func (utils *Utils) QueryBuilder(queryUrl string, queryValues map[string]string) string {
if !strings.Contains(queryUrl, "?") {
queryUrl += "?"
}
queryString := ""
for queryKey, queryValue := range queryValues {
queryString = queryString + "&" + queryKey + "=" + url.QueryEscape(queryValue)
}
queryString = strings.Replace(queryString, "&", "", 1)
queryUrl += queryString
return queryUrl
}
// parse params(name=nick&pass=123)
func (utils *Utils) ParseString(params string) map[string]string {
paramsMap := map[string]string{}
for _, param := range strings.Split(params, "&") {
if ! strings.Contains(param, "=") {
continue
}
paramList :=strings.Split(param,"=")
paramsMap[paramList[0]] = paramList[1]
}
return paramsMap
}