/
mixpanel.go
87 lines (77 loc) · 1.59 KB
/
mixpanel.go
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package main
import (
"crypto/md5"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"sort"
"time"
)
const (
ENDPOINT = "http://mixpanel.com/api"
VERSION = "2.0"
)
type ReportClient struct {
apiKey string
apiSecret string
}
func InitClient(apiKey, apiSecret string) *ReportClient {
return &ReportClient{
apiKey: apiKey,
apiSecret: apiSecret,
}
}
func (self *ReportClient) Request(path string, params map[string]string) (ret interface{}, err error) {
args := make(map[string]string, len(params)+3)
for k, v := range params {
args[k] = v
}
args["api_key"] = self.apiKey
args["expire"] = fmt.Sprintf("%d", time.Now().Unix()+600)
args["sig"] = hashArgs(self.apiSecret, args)
query := url.Values{}
for k, v := range args {
query.Add(k, v)
}
url := fmt.Sprintf("%s/%s/%s/?%s", ENDPOINT, VERSION, path, query.Encode())
resp, urlerr := http.Get(url)
if urlerr != nil {
err = urlerr
return
}
defer resp.Body.Close()
body, httperr := ioutil.ReadAll(resp.Body)
if httperr != nil {
err = httperr
return
}
jsonerr := json.Unmarshal(body, &ret)
if jsonerr != nil {
err = jsonerr
return
}
return ret, nil
}
func hashArgs(secret string, args map[string]string) string {
var keys sort.StringSlice = make([]string, len(args))
i := 0
for k, _ := range args {
keys[i] = k
i++
}
keys.Sort()
md5 := md5.New()
for _, k := range keys {
v, _ := args[k]
io.WriteString(md5, k)
io.WriteString(md5, "=")
io.WriteString(md5, v)
}
io.WriteString(md5, secret)
sum := md5.Sum(make([]byte, md5.Size()))
return hex.EncodeToString(sum)[32:]
}