some updates

pkg/db/blacklist.go

@@ -15,10 +15,7 @@ func (db *DB) Remove(sig string) error {
 }
 
 func (db *DB) Check(sig string) (ok bool) {
-	if db.store.Get(blacklistPrefix+sig, nil) == nil {
-		return true
-	}
-	return false
+	return db.store.Get(blacklistPrefix+sig, nil) == nil
 }
 
 func (db *DB) Map() (list jwt.BlacklistMap, err error) {

pkg/db/user.go

@@ -66,10 +66,7 @@ func (db *DB) CreateUser(username, password string) error {
 
 func (db *DB) BasicAuth(username, password string) bool {
 	_, err := db.Login(username, password)
-	if err == nil {
-		return true
-	}
-	return false
+	return err == nil
 }
 
 func (db *DB) Login(username, password string) (u core.User, err error) {

pkg/server/context.go

@@ -216,7 +216,7 @@ func (c *Context) GetForm(name string) string {
 }
 
 func (c *Context) Var(name string) (ret string) {
-	ret, _ = mux.Vars(c.Request)[name]
+	ret = mux.Vars(c.Request)[name]
 	return
 }
 

pkg/store/boltstore_test.go

@@ -5,7 +5,6 @@ package store
 import (
 	"bytes"
 	"errors"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -20,7 +19,7 @@ func TestBoltStore(t *testing.T) {
 		{"123"},
 		{"hello"},
 	}
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}