fleet/server/utils.go

56 lines
1.2 KiB
Go

package server
import (
"bytes"
"context"
"crypto/rand"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"time"
"github.com/fleetdm/fleet/v4/pkg/fleethttp"
)
// GenerateRandomText return a string generated by filling in keySize bytes with
// random data and then base64 encoding those bytes
func GenerateRandomText(keySize int) (string, error) {
key := make([]byte, keySize)
_, err := rand.Read(key)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(key), nil
}
func PostJSONWithTimeout(ctx context.Context, url string, v interface{}) error {
jsonBytes, err := json.Marshal(v)
if err != nil {
return err
}
client := fleethttp.NewClient(fleethttp.WithTimeout(30 * time.Second))
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewBuffer(jsonBytes))
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/json")
resp, err := client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("Error posting to %s: %d. %s", url, resp.StatusCode, string(body))
}
return nil
}