func (this bcms_queue) FetchAny(msgid, fetch_num *uint) ([]string, error) {
v := make([]string, 0)
var err error
q := bcms_fetch{
bcms_common: bcms_common{
method: "fetch",
timestamp: unix_current(),
access_token: this.access_token,
client_id: this.client_id,
},
msg_id: msgid,
fetch_num: fetch_num,
}
var bcmsr struct {
RequestId int64 `json:"request_id"`
Response BcmsResponse `json:"response_params"`
}
uri := bcms_urlbase + this.queue_name
q.sign = bcms_sign("POST", uri, q, this.client_secret) // use client_secret to sign post-params
vals := oauth2.HttpQueryValues(q)
c := curl.NewCurlerDetail("", curl.CurlProxyPolicyNoProxy, 0, nil, nil)
err = c.PostFormAsJson(uri, vals, &bcmsr)
if err == nil {
for _, i := range bcmsr.Response.Messages {
v = append(v, i.Message)
}
}
return v, err
}
func (this pubsuber) Unsubscribe(uri string) (int, error) {
p := pubunsub_param{
mode: "unsubscribe",
topic: uri,
callback: hub_callback,
verify: &this.verify,
}
c := curl.NewCurlerDetail("", this.proxy_policy, 0, nil, nil)
resp, err := c.PostForm(this.service_provider, oauth2.HttpQueryValues(p))
return resp, err
}
func bcms_sign(method, uri string, params interface{}, client_secret string) string {
vals := oauth2.HttpQueryValues(params)
keys := sortedkeys_from_map(vals)
var t []string
for _, i := range keys {
val := vals[i]
for _, j := range val {
t = append(t, fmt.Sprintf("%v=%v", i, j))
}
}
q := fmt.Sprintf("%v %v%v%v", method, uri, strings.Join(t, "&"), client_secret)
q = url.QueryEscape(q)
h := md5.New()
io.WriteString(h, q)
sign := fmt.Sprintf("%x", h.Sum(nil))
return sign
}
