mindoc/utils/dingtalk/dingtalk.go

108 lines
2.3 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

package dingtalk
import (
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
)
// DingTalkAgent 用于钉钉交互
type DingTalkAgent struct {
AppSecret string
AppKey string
AccessToken string
}
// NewDingTalkAgent 钉钉交互构造函数
func NewDingTalkAgent(appSecret, appKey string) *DingTalkAgent {
return &DingTalkAgent{
AppSecret: appSecret,
AppKey: appKey,
}
}
// GetUserNameByCode 通过临时code获取当前用户信息
func (d *DingTalkAgent) GetUserNameByCode(code string) (string, error) {
urlEndpoint, err := url.Parse("https://oapi.dingtalk.com/user/getuserinfo")
if err != nil {
return "", err
}
query := url.Values{}
query.Set("access_token", d.AccessToken)
query.Set("code", code)
urlEndpoint.RawQuery = query.Encode()
urlPath := urlEndpoint.String()
resp, err := http.Get(urlPath)
if err != nil {
return "", err
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", err
}
// 解析钉钉返回数据
var rdata map[string]interface{}
err = json.Unmarshal(body, &rdata)
if err != nil {
return "", err
}
errcode := rdata["errcode"].(float64)
if errcode != 0 {
return "", errors.New(fmt.Sprintf("登录错误: %.0f, %s", errcode, rdata["errmsg"].(string)))
}
username := rdata["name"].(string)
return username, nil
}
// GetAccesstoken 获取钉钉请求Token
func (d *DingTalkAgent) GetAccesstoken() (err error) {
url := fmt.Sprintf("https://oapi.dingtalk.com/gettoken?appkey=%s&appsecret=%s", d.AppKey, d.AppSecret)
resp, err := http.Get(url)
if err != nil {
return err
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
var i map[string]interface{}
err = json.Unmarshal(body, &i)
if err != nil {
return err
}
if i["errcode"].(float64) == 0 {
d.AccessToken = i["access_token"].(string)
return nil
}
return errors.New("accesstoken获取错误" + i["errmsg"].(string))
}
func (d *DingTalkAgent) encodeSHA256(message string) string {
// 钉钉签名算法实现
h := hmac.New(sha256.New, []byte(d.AppSecret))
h.Write([]byte(message))
sum := h.Sum(nil) // 二进制流
tmpMsg := base64.StdEncoding.EncodeToString(sum)
uv := url.Values{}
uv.Add("0", tmpMsg)
message = uv.Encode()[2:]
return message
}