fix: lint error from golangci-lint (appleboy#123)

.drone.yml

@@ -6,7 +6,7 @@ pipeline:
   build:
     image: appleboy/golang-testing:${GO_VERSION}
     commands:
-      - make embedmd
+      - make embedmd-check
       - make vet
       - make lint
       - make fmt-check

Makefile

@@ -4,12 +4,18 @@ GOFMT ?= gofmt "-s"
 PACKAGES ?= $(shell go list ./... | grep -v /vendor/)
 GOFILES := find . -name "*.go" -type f -not -path "./vendor/*"
 
-embedmd:
+embedmd-check:
 	@hash embedmd > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 		go get -u github.com/campoy/embedmd; \
 	fi
 	embedmd -d *.md
 
+embedmd:
+	@hash embedmd > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		go get -u github.com/campoy/embedmd; \
+	fi
+	embedmd -w *.md
+
 fmt:
 	$(GOFILES) | xargs $(GOFMT) -w
 

README.md

@@ -29,6 +29,7 @@ Please see [the example file](example/server.go) and you can use `ExtractClaims`
 package main
 
 import (
+	"log"
 	"net/http"
 	"os"
 	"time"
@@ -80,7 +81,7 @@ func main() {
 			return nil, false
 		},
 		Authorizator: func(user interface{}, c *gin.Context) bool {
-			if user.(string) == "admin" {
+			if v, ok := user.(string); ok && v == "admin" {
 				return true
 			}
 
@@ -119,7 +120,9 @@ func main() {
 		auth.GET("/refresh_token", authMiddleware.RefreshHandler)
 	}
 
-	http.ListenAndServe(":"+port, r)
+	if err := http.ListenAndServe(":"+port, r); err != nil {
+		log.Fatal(err)
+	}
 }
 ```
 

auth_jwt.go

@@ -294,13 +294,11 @@ func (mw *GinJWTMiddleware) MiddlewareFunc() gin.HandlerFunc {
 	if err := mw.MiddlewareInit(); err != nil {
 		return func(c *gin.Context) {
 			mw.unauthorized(c, http.StatusInternalServerError, mw.HTTPStatusMessageFunc(err, nil))
-			return
 		}
 	}
 
 	return func(c *gin.Context) {
 		mw.middlewareImpl(c)
-		return
 	}
 }
 
@@ -538,6 +536,4 @@ func (mw *GinJWTMiddleware) unauthorized(c *gin.Context, code int, message strin
 	c.Abort()
 
 	mw.Unauthorized(c, code, message)
-
-	return
 }

example/server.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"log"
 	"net/http"
 	"os"
 	"time"
@@ -52,7 +53,7 @@ func main() {
 			return nil, false
 		},
 		Authorizator: func(user interface{}, c *gin.Context) bool {
-			if user.(string) == "admin" {
+			if v, ok := user.(string); ok && v == "admin" {
 				return true
 			}
 
@@ -91,5 +92,7 @@ func main() {
 		auth.GET("/refresh_token", authMiddleware.RefreshHandler)
 	}
 
-	http.ListenAndServe(":"+port, r)
+	if err := http.ListenAndServe(":"+port, r); err != nil {
+		log.Fatal(err)
+	}
 }