add verify git read func

pkg/models/git/git.go

@@ -0,0 +1,44 @@
+package git
+
+import (
+	"fmt"
+	"gopkg.in/src-d/go-git.v4"
+	"gopkg.in/src-d/go-git.v4/config"
+	"gopkg.in/src-d/go-git.v4/plumbing/transport/http"
+	"gopkg.in/src-d/go-git.v4/storage/memory"
+	corev1 "k8s.io/api/core/v1"
+	"kubesphere.io/kubesphere/pkg/informers"
+)
+
+type AuthInfo struct {
+	RemoteUrl string `json:"remoteUrl"`
+}
+
+func GitReadVerify(namespace string, name string, authInfo AuthInfo) error {
+	secret, err := informers.SharedInformerFactory().Core().V1().Secrets().Lister().Secrets(namespace).Get(name)
+	if err != nil {
+		return err
+	}
+	username, ok := secret.Data[corev1.BasicAuthUsernameKey]
+	if !ok {
+		return fmt.Errorf("could not get username in secret %s", secret.Name)
+	}
+	password, ok := secret.Data[corev1.BasicAuthPasswordKey]
+	if !ok {
+		return fmt.Errorf("could not get password in secret %s", secret.Name)
+	}
+
+	r, _ := git.Init(memory.NewStorage(), nil)
+
+	// Add a new remote, with the default fetch refspec
+	origin, err := r.CreateRemote(&config.RemoteConfig{
+		Name: git.DefaultRemoteName,
+		URLs: []string{authInfo.RemoteUrl},
+	})
+	if err != nil {
+		return err
+	}
+	_, err = origin.List(&git.ListOptions{Auth:
+		&http.BasicAuth{Username: string(username), Password: string(password)}})
+	return err
+}