/**
* 获取微信公众号 jsapi_ticket
* @param $app_id 微信公众号应用唯一标识
* @param $app_secret 微信公众号应用密钥（注意保密）
* @return array 包含 jsapi_ticket 的数组或者错误信息
*/
func GetJsapiTicket(app_id string, app_secret string) (ticket string) {
var accessToken AccessToken
var jsapiTicket JsapiTicket
body := url.Values{}
body.Add("appid", app_id)
body.Add("secret", app_secret)
body.Add("grant_type", "client_credential")
accessTokenUrl := "https://api.weixin.qq.com/cgi-bin/token?" + body.Encode()
client := &http.Client{}
response, err := client.Get(accessTokenUrl)
if err == nil {
defer response.Body.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(response.Body)
resultbytes := buf.Bytes()
errs := pingpp.JsonDecode(resultbytes, &accessToken)
if pingpp.LogLevel > 2 {
log.Printf("response from wx for AccessToken struct is :%v\n", jsapiTicket)
}
if errs != nil {
if pingpp.LogLevel > 0 {
log.Printf("Cannot Unmarshal AccessToken struct:", errs)
}
}
} else {
if pingpp.LogLevel > 0 {
log.Printf("Http Request for AccessToken Failed")
}
}
body = url.Values{}
body.Add("access_token", accessToken.Access_token)
body.Add("type", "jsapi")
jsapiTicketUrl := "https://api.weixin.qq.com/cgi-bin/ticket/getticket?" + body.Encode()
client = &http.Client{}
response, err = client.Get(jsapiTicketUrl)
if err == nil {
defer response.Body.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(response.Body)
resultbytes := buf.Bytes()
err := pingpp.JsonDecode(resultbytes, &jsapiTicket)
if pingpp.LogLevel > 2 {
log.Printf("response from wx for jsapiTcicket struct is :%v\n", jsapiTicket)
}
if err != nil {
if pingpp.LogLevel > 0 {
log.Printf("Cannot Unmarshal JsapiTicket struct:", err)
}
}
ticket = jsapiTicket.Ticket
return ticket
} else {
log.Printf("Http Request for JsapiTicket Failed")
}
return
}
/**
* 生成微信公众号 js sdk signature
* @param charge Charge
* @param jsapi_ticket string
* @param urls string 当前页面的 url， 必须要动态获取
* @return signatrue []byte
*/
func GetSignature(charge *pingpp.Charge, jsapi_ticket string, urls string) (signatrue []byte) {
var wx Wx_pub
a := charge.Credential
m := a["wx_pub"]
s, _ := pingpp.JsonEncode(m)
pingpp.JsonDecode(s, &wx)
jsapi_tickets := "jsapi_ticket=" + jsapi_ticket
nonce_str := "noncestr=" + wx.NonceStr
time_stamp := "timestamp=" + wx.TimeStamp
urls = "url=" + urls
signs := jsapi_tickets + "&" + nonce_str + "&" + time_stamp + "&" + urls
h := sha1.New()
h.Write([]byte(signs))
signatrue = h.Sum(nil)
return signatrue
}
func GetOpenId(app_id string, app_secret string, code string) ([]byte, error) {
var token Token
request_url := CreateOauthUrlForOpenid(app_id, app_secret, code)
client := &http.Client{}
response, err := client.Get(request_url)
if err == nil {
defer response.Body.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(response.Body)
resultbytes := buf.Bytes()
err := pingpp.JsonDecode(resultbytes, &token)
return resultbytes, err
} else {
log.Printf("Http Request for OpenId Failed")
}
return nil, err
}