298 lines
8.1 KiB
Go
298 lines
8.1 KiB
Go
package weixinapi
|
|
|
|
import (
|
|
"crypto/aes"
|
|
"crypto/cipher"
|
|
"net/http"
|
|
"strings"
|
|
"sync"
|
|
|
|
"git.rosy.net.cn/baseapi/platformapi"
|
|
"git.rosy.net.cn/baseapi/utils"
|
|
)
|
|
|
|
const (
|
|
prodURL = "https://api.weixin.qq.com"
|
|
)
|
|
|
|
const (
|
|
actionGetToken = "token"
|
|
)
|
|
|
|
const (
|
|
ResponseCodeBusy = -1
|
|
ResponseCodeSuccess = 0
|
|
)
|
|
|
|
type TokenInfo struct {
|
|
AccessToken string `json:"access_token"`
|
|
ExpiresIn int `json:"expires_in"`
|
|
}
|
|
|
|
type ErrorInfo struct {
|
|
ErrCode int `json:"errcode"`
|
|
ErrMsg string `json:"errmsg"`
|
|
}
|
|
|
|
type API struct {
|
|
token string
|
|
appID string
|
|
secret string
|
|
client *http.Client
|
|
config *platformapi.APIConfig
|
|
locker sync.RWMutex
|
|
}
|
|
|
|
type SNSTokenInfo struct {
|
|
AccessToken string `json:"access_token"`
|
|
ExpiresIn int `json:"expires_in"`
|
|
RefreshToken string `json:"refresh_token"`
|
|
OpenID string `json:"openid"`
|
|
Scope string `json:"scope"`
|
|
}
|
|
|
|
type SNSUserInfo struct {
|
|
OpenID string `json:"openid"`
|
|
NickName string `json:"nickname"`
|
|
Sex int `json:"sex"`
|
|
Province string `json:"province"`
|
|
City string `json:"city"`
|
|
Country string `json:"country"`
|
|
HeadImgURL string `json:"headimgurl"`
|
|
Privilege interface{} `json:"privilege"`
|
|
UnionID string `json:"unionid"`
|
|
}
|
|
|
|
type SessionInfo struct {
|
|
OpenID string `json:"openid"`
|
|
SessionKey string `json:"session_key"`
|
|
UnionID string `json:"unionid"`
|
|
}
|
|
|
|
func New(appID, secret string, config ...*platformapi.APIConfig) *API {
|
|
curConfig := platformapi.DefAPIConfig
|
|
if len(config) > 0 {
|
|
curConfig = *config[0]
|
|
}
|
|
return &API{
|
|
appID: appID,
|
|
secret: secret,
|
|
client: &http.Client{Timeout: curConfig.ClientTimeout},
|
|
config: &curConfig,
|
|
}
|
|
}
|
|
|
|
func (a *API) GetAppID() string {
|
|
return a.appID
|
|
}
|
|
|
|
func (a *API) GetSecret() string {
|
|
return a.secret
|
|
}
|
|
|
|
func (a *API) SetToken(newToken string) bool {
|
|
curToken := a.GetToken()
|
|
if curToken != newToken {
|
|
a.locker.Lock()
|
|
defer a.locker.Unlock()
|
|
a.token = newToken
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (a *API) GetToken() string {
|
|
a.locker.RLock()
|
|
defer a.locker.RUnlock()
|
|
return a.token
|
|
}
|
|
|
|
func isSNSAction(action string) bool {
|
|
return strings.Index(action, "sns/") == 0
|
|
}
|
|
|
|
func (a *API) AccessAPI(action string, params map[string]interface{}, body string) (retVal map[string]interface{}, err error) {
|
|
if params != nil && body != "" {
|
|
panic("params and body can not all non-empty")
|
|
}
|
|
params2 := make(map[string]interface{})
|
|
for k, v := range params {
|
|
params2[k] = v
|
|
}
|
|
|
|
if params2["grant_type"] != nil {
|
|
params2["appid"] = a.appID
|
|
params2["secret"] = a.secret
|
|
} else if !isSNSAction(action) {
|
|
accessToken := a.GetToken()
|
|
if accessToken == "" {
|
|
panic("token is empty!")
|
|
}
|
|
params2["access_token"] = accessToken
|
|
}
|
|
|
|
fullURL := utils.GenerateGetURL(prodURL, action, params2)
|
|
// baseapi.SugarLogger.Debug(fullURL)
|
|
|
|
err = platformapi.AccessPlatformAPIWithRetry(a.client,
|
|
func() *http.Request {
|
|
var request *http.Request
|
|
if body == "" {
|
|
request, _ = http.NewRequest(http.MethodGet, fullURL, nil)
|
|
} else {
|
|
request, _ = http.NewRequest(http.MethodPost, fullURL, strings.NewReader(body))
|
|
}
|
|
request.Close = true // todo try to fix EOF error when accessing weixin api.
|
|
return request
|
|
},
|
|
a.config,
|
|
func(response *http.Response) (result string, err error) {
|
|
jsonResult1, err := utils.HTTPResponse2Json(response)
|
|
if err != nil {
|
|
return platformapi.ErrLevelGeneralFail, platformapi.ErrResponseDataFormatWrong
|
|
}
|
|
var errInfo *ErrorInfo
|
|
// 微信的返回值，在错误与正常情况下，结构是完全不一样的
|
|
if errCode, ok := jsonResult1["errcode"]; ok {
|
|
errInfo = &ErrorInfo{
|
|
ErrCode: int(utils.MustInterface2Int64(errCode)),
|
|
ErrMsg: jsonResult1["errmsg"].(string),
|
|
}
|
|
if errInfo.ErrCode == 0 {
|
|
retVal = jsonResult1
|
|
}
|
|
} else {
|
|
retVal = jsonResult1
|
|
}
|
|
if retVal != nil {
|
|
return platformapi.ErrLevelSuccess, nil
|
|
}
|
|
newErr := utils.NewErrorIntCode(errInfo.ErrMsg, errInfo.ErrCode)
|
|
if errInfo.ErrCode == ResponseCodeBusy {
|
|
return platformapi.ErrLevelRecoverableErr, newErr
|
|
}
|
|
return platformapi.ErrLevelCodeIsNotOK, newErr
|
|
})
|
|
return retVal, err
|
|
}
|
|
|
|
func (a *API) RefreshToken() (tokenInfo *TokenInfo, err error) {
|
|
result, err := a.AccessAPI("cgi-bin/token", utils.Params2Map("grant_type", "client_credential"), "")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
tokenInfo = &TokenInfo{
|
|
AccessToken: utils.Interface2String(result["access_token"]),
|
|
ExpiresIn: int(utils.MustInterface2Int64(result["expires_in"])),
|
|
}
|
|
// update my token too.
|
|
a.SetToken(tokenInfo.AccessToken)
|
|
return tokenInfo, nil
|
|
}
|
|
|
|
func (a *API) MessageTemplateSend(userOpneID, templateID, downloadURL string, miniProgram, data interface{}) (err error) {
|
|
bodyJson := map[string]interface{}{
|
|
"touser": userOpneID,
|
|
"template_id": templateID,
|
|
"url": downloadURL,
|
|
"data": data,
|
|
}
|
|
if downloadURL != "" {
|
|
bodyJson["url"] = downloadURL
|
|
}
|
|
if miniProgram != nil {
|
|
bodyJson["miniprogram"] = miniProgram
|
|
}
|
|
_, err = a.AccessAPI("cgi-bin/message/template/send", nil, string(utils.MustMarshal(bodyJson)))
|
|
return err
|
|
}
|
|
|
|
func mapData2SNSToken(result map[string]interface{}) *SNSTokenInfo {
|
|
return &SNSTokenInfo{
|
|
AccessToken: utils.Interface2String(result["access_token"]),
|
|
ExpiresIn: int(utils.MustInterface2Int64(result["expires_in"])),
|
|
RefreshToken: utils.Interface2String(result["refresh_token"]),
|
|
OpenID: utils.Interface2String(result["openid"]),
|
|
Scope: utils.Interface2String(result["scope"]),
|
|
}
|
|
}
|
|
|
|
func (a *API) SNSGetToken(code string) (tokenInfo *SNSTokenInfo, err error) {
|
|
result, err := a.AccessAPI("sns/oauth2/access_token", utils.Params2Map("grant_type", "authorization_code", "code", code), "")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return mapData2SNSToken(result), nil
|
|
}
|
|
|
|
func (a *API) SNSRefreshToken(refreshToken string) (tokenInfo *SNSTokenInfo, err error) {
|
|
result, err := a.AccessAPI("sns/oauth2/refresh_token", utils.Params2Map("grant_type", "refresh_token", "refresh_token", refreshToken), "")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return mapData2SNSToken(result), nil
|
|
}
|
|
|
|
func (a *API) SNSGetUserInfo(accessToken, openid string) (*SNSUserInfo, error) {
|
|
result, err := a.AccessAPI("sns/userinfo", map[string]interface{}{
|
|
"access_token": accessToken,
|
|
"openid": openid,
|
|
}, "")
|
|
if err == nil {
|
|
retVal := &SNSUserInfo{
|
|
OpenID: utils.Interface2String(result["openid"]),
|
|
NickName: utils.Interface2String(result["nickname"]),
|
|
Sex: int(utils.MustInterface2Int64(result["sex"])),
|
|
Province: utils.Interface2String(result["province"]),
|
|
City: utils.Interface2String(result["city"]),
|
|
Country: utils.Interface2String(result["country"]),
|
|
HeadImgURL: utils.Interface2String(result["headimgurl"]),
|
|
Privilege: result["privilege"],
|
|
UnionID: utils.Interface2String(result["unionid"]),
|
|
}
|
|
return retVal, nil
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
func (a *API) SNSIsOpenIDValid(accessToken, openid string) (bool, error) {
|
|
_, err := a.AccessAPI("sns/auth", map[string]interface{}{
|
|
"access_token": accessToken,
|
|
"openid": openid,
|
|
}, "")
|
|
if err == nil {
|
|
return true, nil
|
|
}
|
|
return false, err
|
|
}
|
|
|
|
func (a *API) SNSCode2Session(code string) (sessionInfo *SessionInfo, err error) {
|
|
result, err := a.AccessAPI("sns/jscode2session", map[string]interface{}{
|
|
"js_code": code,
|
|
"grant_type": "authorization_code",
|
|
}, "")
|
|
if err == nil {
|
|
return &SessionInfo{
|
|
OpenID: utils.Interface2String(result["openid"]),
|
|
SessionKey: utils.Interface2String(result["session_key"]),
|
|
UnionID: utils.Interface2String(result["unionid"]),
|
|
}, nil
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
func (a *API) SNSDecodeMiniProgramData(encryptedData, sessionKey, iv string) (decryptedData []byte, err error) {
|
|
decodedDataList, err := utils.Base64DecodeMultiString(encryptedData, sessionKey, iv)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
c, err := aes.NewCipher(decodedDataList[1])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cfbdec := cipher.NewCFBDecrypter(c, decodedDataList[2])
|
|
decryptedData = make([]byte, len(decodedDataList[0]))
|
|
cfbdec.XORKeyStream(decryptedData, decodedDataList[0])
|
|
return decryptedData, nil
|
|
}
|