working commit

jwt.go

@@ -0,0 +1,63 @@
+package repocli
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/http"
+	//"strconv"
+	//"strings"
+	"encoding/json"
+	"time"
+)
+
+type JWT struct {
+	Token       string    `json:"token"`
+	AccessToken string    `json:"access_token"`
+	ExpiresIn   int       `json:"expires_in"`
+	IssuedAt    time.Time `json:"issued_at"`
+}
+
+func (cli *Client) GetToken(ctx context.Context, uri string) (string, error) {
+	var err error
+	var token string
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, uri, nil)
+	if err != nil {
+		return token, err
+	}
+	req.Header.Set("User-Agent", cli.userAgent)
+	req.Header.Set("Accept", "*/*")
+	resp, err := cli.httpClient.Do(req)
+	if err != nil {
+		return token, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusNotFound {
+		return token, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		err := fmt.Errorf("Unxected response code %s", resp.Status)
+		return token, err
+	}
+	mime := resp.Header.Get("Content-Type")
+	if mime != "application/json" {
+		err := fmt.Errorf("Empty MIME type declaration")
+		return token, err
+	}
+	buffer := bytes.NewBuffer(nil)
+	recSize, err := Copy(ctx, buffer, resp.Body)
+	if recSize == 0 {
+		err := fmt.Errorf("Zero actual body size")
+		return token, err
+	}
+	tokenJson := buffer.Bytes()
+	jwt := &JWT{}
+	err = json.Unmarshal(tokenJson, jwt)
+	if err != nil {
+		return token, err
+	}
+	token = jwt.Token
+	return token, err
+}