vendor: add github.com/koofr/go-koofrclient

* added koofr client SDK dep for koofr backend

vendor/github.com/koofr/go-koofrclient/client.go

@@ -0,0 +1,89 @@
+package koofrclient
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/koofr/go-httpclient"
+)
+
+type KoofrClient struct {
+	*httpclient.HTTPClient
+	token  string
+	userID string
+}
+
+func NewKoofrClient(baseUrl string, disableSecurity bool) *KoofrClient {
+	var httpClient *httpclient.HTTPClient
+
+	if disableSecurity {
+		httpClient = httpclient.Insecure()
+	} else {
+		httpClient = httpclient.New()
+	}
+
+	apiBaseUrl, _ := url.Parse(baseUrl)
+
+	httpClient.BaseURL = apiBaseUrl
+
+	httpClient.Headers.Set("User-Agent", "go koofrclient")
+
+	return &KoofrClient{
+		HTTPClient: httpClient,
+		token:      "",
+		userID:     "",
+	}
+}
+
+func (c *KoofrClient) SetUserAgent(ua string) {
+	c.Headers.Set("User-Agent", ua)
+}
+
+func (c *KoofrClient) SetToken(token string) {
+	c.token = token
+	c.HTTPClient.Headers.Set("Authorization", fmt.Sprintf("Token token=%s", token))
+}
+
+func (c *KoofrClient) GetToken() string {
+	return c.token
+}
+
+func (c *KoofrClient) SetUserID(userID string) {
+	c.userID = userID
+}
+
+func (c *KoofrClient) GetUserID() string {
+	return c.userID
+}
+
+func (c *KoofrClient) Authenticate(email string, password string) (err error) {
+	var tokenResponse Token
+
+	tokenRequest := TokenRequest{
+		Email:    email,
+		Password: password,
+	}
+
+	request := httpclient.RequestData{
+		Method:         "POST",
+		Path:           "/token",
+		Headers:        make(http.Header),
+		ExpectedStatus: []int{http.StatusOK},
+		ReqEncoding:    httpclient.EncodingJSON,
+		ReqValue:       tokenRequest,
+		RespEncoding:   httpclient.EncodingJSON,
+		RespValue:      &tokenResponse,
+	}
+
+	res, err := c.Request(&request)
+
+	if err != nil {
+		return
+	}
+
+	c.SetToken(tokenResponse.Token)
+	c.SetUserID(res.Header.Get("X-User-ID"))
+
+	return
+}