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helper.go
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helper.go
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package delltdapi
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
)
func (c *DellTDClient) formatPath(path string) string {
return fmt.Sprintf("https://%s/%s", c.DellFQDN, path)
}
func (c *DellTDClient) getAPIToken() error {
authURL, err := url.Parse(c.formatPath("auth/oauth/v2/token"))
if err != nil {
return err
}
data := url.Values{}
data.Set("client_id", c.ClientId)
data.Set("client_secret", c.ClientSecret)
data.Set("grant_type", "client_credentials")
req, err := http.NewRequest("POST", authURL.String(), strings.NewReader(data.Encode())) //URL-encoded payload
if err != nil {
log.Fatal(err)
}
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
r, err := c.Client.Do(req)
if err != nil {
return err
}
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Fatal(err)
}
var cleanData TokenInfo
json.Unmarshal(body, &cleanData)
c.APIToken = cleanData.AccessToken
//log.Println(string([]byte(body)))
return err
}
//queryData ... will make REST verbs based on the url
func (c *DellTDClient) QueryData(call string, link string, data []byte) ([]byte, http.Header, int, error) {
// Create bearer token string
var bearer = "Bearer " + c.APIToken
// Create a new request using http
req, err := http.NewRequest(call, link, nil)
if err != nil {
fmt.Println(err)
return nil, nil, 0, err
}
// Add authorization header to the req
req.Header.Add("Authorization", bearer)
resp, err := c.Client.Do(req)
if err != nil {
r, _ := regexp.Compile("dial tcp")
if r.MatchString(err.Error()) == true {
err := errors.New(StatusInternalServerError)
return nil, nil, 0, err
}
return nil, nil, 0, err
}
if resp.StatusCode != 200 {
if resp.StatusCode == 401 {
err := errors.New(StatusUnauthorized)
return nil, resp.Header, resp.StatusCode, err
} else if resp.StatusCode == 400 {
err := errors.New(StatusBadRequest)
return nil, resp.Header, resp.StatusCode, err
} else if resp.StatusCode == 403 {
err := errors.New(StatusForbidden)
return nil, resp.Header, resp.StatusCode, err
} else if resp.StatusCode == 404 {
err := errors.New(StatusNotFound)
return nil, resp.Header, resp.StatusCode, err
} else if resp.StatusCode == 409 {
err := errors.New(StatusConflict)
return nil, resp.Header, resp.StatusCode, err
}
}
defer resp.Body.Close()
_body, _ := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, nil, resp.StatusCode, err
}
return _body, resp.Header, resp.StatusCode, nil
}