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ringcentral.go
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ringcentral.go
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package ringcentral
import (
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"net/url"
"reflect"
"strings"
)
// RestClient Restful Client
type RestClient struct {
ClientID string
ClientSecret string
Server string
Token *TokenInfo
}
// Request HTTP request
func (rc RestClient) Request(method, endpoint, contentType string, body io.Reader) []byte {
req, err := http.NewRequest(method, fmt.Sprintf("%s%s", rc.Server, endpoint), body)
if err != nil {
log.Fatal(err)
}
if endpoint == "/restapi/oauth/token" || endpoint == "/restapi/oauth/revoke" {
req.Header.Add("Authorization", fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", rc.ClientID, rc.ClientSecret)))))
} else {
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", rc.Token.AccessToken))
}
if contentType != "" {
req.Header.Add("Content-Type", contentType)
}
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
bytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
return bytes
}
// Get HTTP GET
func (rc RestClient) Get(endpoint string) []byte {
return rc.Request("GET", endpoint, "", nil)
}
// Delete HTTP DELETE
func (rc RestClient) Delete(endpoint string) []byte {
return rc.Request("DELETE", endpoint, "", nil)
}
// Post HTTP POST
func (rc RestClient) Post(endpoint string, body io.Reader) []byte {
return rc.Request("POST", endpoint, "application/json", body)
}
// Put HTTP PUT
func (rc RestClient) Put(endpoint string, body io.Reader) []byte {
return rc.Request("PUT", endpoint, "application/json", body)
}
// Patch HTTP PATCH
func (rc RestClient) Patch(endpoint string, body io.Reader) []byte {
return rc.Request("PATCH", endpoint, "application/json", body)
}
// Authorize an user
func (rc *RestClient) Authorize(getTokenRequest GetTokenRequest) {
body := url.Values{}
rValue := reflect.ValueOf(&getTokenRequest).Elem()
rType := rValue.Type()
for i := 0; i < rValue.NumField(); i++ {
fieldValue := fmt.Sprint(rValue.Field(i))
if fieldValue != "" {
body.Set(rType.Field(i).Tag.Get("json"), fieldValue)
}
}
bytes := rc.Request("POST", "/restapi/oauth/token", "application/x-www-form-urlencoded", strings.NewReader(body.Encode()))
json.Unmarshal(bytes, &rc.Token)
}
// Revoke revoke current token
func (rc *RestClient) Revoke() {
if rc.Token == nil {
return
}
rc.Post("/restapi/oauth/revoke", strings.NewReader(fmt.Sprintf(`{token: "%s"}`, rc.Token.AccessToken)))
rc.Token = nil
}