move UserToken and UserTokenService to models package

pkg/models/context.go

@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	"github.com/grafana/grafana/pkg/log"
-	"github.com/grafana/grafana/pkg/services/auth"
 	"github.com/grafana/grafana/pkg/services/session"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/prometheus/client_golang/prometheus"
@@ -14,7 +13,7 @@ import (
 type ReqContext struct {
 	*macaron.Context
 	*SignedInUser
-	UserToken *auth.UserToken
+	UserToken *UserToken
 
 	// This should only be used by the auth_proxy
 	Session session.SessionStore

pkg/models/user_token.go

@@ -0,0 +1,32 @@
+package models
+
+import "errors"
+
+// Typed errors
+var (
+	ErrUserTokenNotFound = errors.New("user token not found")
+)
+
+// UserToken represents a user token
+type UserToken struct {
+	Id            int64
+	UserId        int64
+	AuthToken     string
+	PrevAuthToken string
+	UserAgent     string
+	ClientIp      string
+	AuthTokenSeen bool
+	SeenAt        int64
+	RotatedAt     int64
+	CreatedAt     int64
+	UpdatedAt     int64
+	UnhashedToken string
+}
+
+// UserTokenService are used for generating and validating user tokens
+type UserTokenService interface {
+	CreateToken(userId int64, clientIP, userAgent string) (*UserToken, error)
+	LookupToken(unhashedToken string) (*UserToken, error)
+	TryRotateToken(token *UserToken, clientIP, userAgent string) (bool, error)
+	RevokeToken(token *UserToken) error
+}