feat: protect write endpoints with JWT auth (story #08)

Add bcrypt user file auth, JWT middleware on all write routes, Pinia
authStore with localStorage persistence, login view with redirect
support, and v-if guards on all CRUD controls and admin nav link.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/.env.example

@@ -0,0 +1,4 @@
+DATABASE_URL=postgres://osdb:osdb@localhost:5432/osdb
+PORT=3000
+JWT_SECRET=change-me-use-a-long-random-string
+USERS_FILE=../users.env

backend/cmd/server/main.go

@@ -10,6 +10,7 @@ import (
 	"syscall"
 	"time"
 
+	"osdb/internal/auth"
 	"osdb/internal/config"
 	"osdb/internal/database"
 	"osdb/internal/migrate"
@@ -52,7 +53,13 @@ func serve(cfg *config.Config) {
 	defer pool.Close()
 	log.Println("database: connected")
 
-	e := New(pool)
+	users, err := auth.LoadUsers(cfg.UsersFile)
+	if err != nil {
+		log.Fatalf("auth: load users from %s: %v", cfg.UsersFile, err)
+	}
+	log.Printf("auth: loaded %d user(s)", len(users))
+
+	e := New(pool, users, cfg.JWTSecret)
 
 	// Start server; signal failures via a channel so the main goroutine can
 	// handle them without calling os.Exit from a goroutine (which would skip

backend/cmd/server/router.go

@@ -6,17 +6,20 @@ import (
 	"github.com/labstack/echo/v4/middleware"
 
 	"osdb/internal/handler"
+	mw "osdb/internal/middleware"
 	"osdb/internal/repository"
 )
 
 // New creates and configures the Echo instance with all routes registered.
-func New(pool *pgxpool.Pool) *echo.Echo {
+func New(pool *pgxpool.Pool, users map[string]string, jwtSecret string) *echo.Echo {
 	e := echo.New()
 	e.HideBanner = true
 
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
 
+	jwtAuth := mw.JWTAuth(jwtSecret)
+
 	health := handler.NewHealthHandler()
 
 	// Root health — used by docker healthcheck + ops tooling
@@ -26,21 +29,25 @@ func New(pool *pgxpool.Pool) *echo.Echo {
 	api := e.Group("/api/v1")
 	api.GET("/health", health.Health)
 
+	// Auth (story #08)
+	authHandler := handler.NewAuthHandler(users, jwtSecret)
+	api.POST("/auth/login", authHandler.Login)
+
 	// Fruits (story #02)
 	fruitRepo := repository.NewFruitRepo(pool)
 	fruits := handler.NewFruitHandler(fruitRepo)
 
 	g := api.Group("/fruits")
 	g.GET("", fruits.List)
-	g.POST("", fruits.Create)
+	g.POST("", fruits.Create, jwtAuth)
 	g.GET("/:id", fruits.Get)
-	g.PUT("/:id", fruits.Update)
-	g.DELETE("/:id", fruits.Delete)
+	g.PUT("/:id", fruits.Update, jwtAuth)
+	g.DELETE("/:id", fruits.Delete, jwtAuth)
 	g.GET("/:id/images", fruits.ListImages)
-	g.POST("/:id/images", fruits.UploadImage, middleware.BodyLimit("5M"))
+	g.POST("/:id/images", fruits.UploadImage, jwtAuth, middleware.BodyLimit("5M"))
 	g.GET("/:id/images/:imageId", fruits.ServeImage)
 	g.GET("/:id/images/:imageId/thumbnail", fruits.ServeThumbnail)
-	g.DELETE("/:id/images/:imageId", fruits.DeleteImage)
+	g.DELETE("/:id/images/:imageId", fruits.DeleteImage, jwtAuth)
 
 	// Publications (story #04)
 	pubRepo := repository.NewPublicationRepo(pool)
@@ -52,29 +59,29 @@ func New(pool *pgxpool.Pool) *echo.Echo {
 
 	p := api.Group("/publications")
 	p.GET("", pubs.List)
-	p.POST("", pubs.Create)
+	p.POST("", pubs.Create, jwtAuth)
 	p.GET("/:id", pubs.Get)
-	p.PUT("/:id", pubs.Update)
-	p.DELETE("/:id", pubs.Delete)
-	p.POST("/:id/image", pubs.UploadCoverImage, middleware.BodyLimit("5M"))
+	p.PUT("/:id", pubs.Update, jwtAuth)
+	p.DELETE("/:id", pubs.Delete, jwtAuth)
+	p.POST("/:id/image", pubs.UploadCoverImage, jwtAuth, middleware.BodyLimit("5M"))
 	p.GET("/:id/image", pubs.ServeCoverImage)
-	p.DELETE("/:id/image", pubs.DeleteCoverImage)
+	p.DELETE("/:id/image", pubs.DeleteCoverImage, jwtAuth)
 	p.GET("/:id/fruits", pubs.ListFruits)
-	p.POST("/:id/fruits", pubs.LinkFruit)
-	p.DELETE("/:id/fruits/:fruitId", pubs.UnlinkFruit)
+	p.POST("/:id/fruits", pubs.LinkFruit, jwtAuth)
+	p.DELETE("/:id/fruits/:fruitId", pubs.UnlinkFruit, jwtAuth)
 	p.GET("/:id/descriptions", pubs.ListDescriptions)
-	p.POST("/:id/descriptions", pubs.UploadDescription, middleware.BodyLimit("5M"))
+	p.POST("/:id/descriptions", pubs.UploadDescription, jwtAuth, middleware.BodyLimit("5M"))
 	p.GET("/:id/descriptions/:descId", pubs.ServeDescription)
-	p.DELETE("/:id/descriptions/:descId", pubs.DeleteDescription)
+	p.DELETE("/:id/descriptions/:descId", pubs.DeleteDescription, jwtAuth)
 	p.GET("/:id/fruit-images", pubs.ListFruitImages)
-	p.POST("/:id/fruit-images", pubs.UploadFruitImage, middleware.BodyLimit("5M"))
+	p.POST("/:id/fruit-images", pubs.UploadFruitImage, jwtAuth, middleware.BodyLimit("5M"))
 	p.GET("/:id/fruit-images/:imgId", pubs.ServeFruitImage)
 	p.GET("/:id/fruit-images/:imgId/thumbnail", pubs.ServeFruitImageThumbnail)
-	p.DELETE("/:id/fruit-images/:imgId", pubs.DeleteFruitImage)
+	p.DELETE("/:id/fruit-images/:imgId", pubs.DeleteFruitImage, jwtAuth)
 
-	// Admin (story #07)
+	// Admin (story #07) — all admin routes require auth
 	admin := handler.NewAdminHandler(fruitRepo, pubRepo)
-	adminGroup := api.Group("/admin")
+	adminGroup := api.Group("/admin", jwtAuth)
 	adminGroup.POST("/backfill-thumbnails", admin.BackfillThumbnails)
 
 	return e

backend/go.mod

@@ -9,6 +9,7 @@ require (
 )
 
 require (
+	github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect

backend/go.sum

@@ -27,6 +27,8 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
+github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang-migrate/migrate/v4 v4.19.1 h1:OCyb44lFuQfYXYLx1SCxPZQGU7mcaZ7gH9yH4jSFbBA=
 github.com/golang-migrate/migrate/v4 v4.19.1/go.mod h1:CTcgfjxhaUtsLipnLoQRWCrjYXycRz/g5+RWDuYgPrE=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=

backend/internal/auth/auth.go

@@ -0,0 +1,83 @@
+package auth
+
+import (
+	"bufio"
+	"errors"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"golang.org/x/crypto/bcrypt"
+)
+
+// Claims is the JWT payload.
+type Claims struct {
+	Username string `json:"username"`
+	jwt.RegisteredClaims
+}
+
+// LoadUsers reads username:bcrypt_hash pairs from path.
+// Lines starting with '#' and blank lines are ignored.
+func LoadUsers(path string) (map[string]string, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	users := make(map[string]string)
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		parts := strings.SplitN(line, ":", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		users[parts[0]] = parts[1]
+	}
+	return users, scanner.Err()
+}
+
+// VerifyPassword checks username+password against the bcrypt hash stored for that user.
+// The peppered input is "username:password".
+func VerifyPassword(users map[string]string, username, password string) bool {
+	hash, ok := users[username]
+	if !ok {
+		return false
+	}
+	return bcrypt.CompareHashAndPassword([]byte(hash), []byte(username+":"+password)) == nil
+}
+
+// GenerateJWT creates a signed HS256 token for username, valid for 1 hour.
+func GenerateJWT(username, secret string) (string, error) {
+	claims := Claims{
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+	return jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString([]byte(secret))
+}
+
+// ValidateJWT parses and verifies token, returning its claims.
+func ValidateJWT(tokenStr, secret string) (*Claims, error) {
+	token, err := jwt.ParseWithClaims(tokenStr, &Claims{}, func(t *jwt.Token) (any, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, errors.New("unexpected signing method")
+		}
+		return []byte(secret), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	claims, ok := token.Claims.(*Claims)
+	if !ok || !token.Valid {
+		return nil, errors.New("invalid token")
+	}
+	return claims, nil
+}

backend/internal/auth/auth_test.go

@@ -0,0 +1,125 @@
+package auth_test
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"golang.org/x/crypto/bcrypt"
+
+	"osdb/internal/auth"
+)
+
+// hashPepper mirrors the pepper convention: bcrypt("username:password")
+func hashPepper(username, password string) string {
+	h, err := bcrypt.GenerateFromPassword([]byte(username+":"+password), bcrypt.MinCost)
+	if err != nil {
+		panic(err)
+	}
+	return string(h)
+}
+
+func writeTempUsersFile(t *testing.T, content string) string {
+	t.Helper()
+	f, err := os.CreateTemp(t.TempDir(), "users*.env")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := f.WriteString(content); err != nil {
+		t.Fatal(err)
+	}
+	f.Close()
+	return f.Name()
+}
+
+func TestLoadUsers_ParsesValidFile(t *testing.T) {
+	hash := hashPepper("admin", "secret")
+	path := writeTempUsersFile(t, "admin:"+hash+"\n")
+
+	users, err := auth.LoadUsers(path)
+	if err != nil {
+		t.Fatalf("LoadUsers: %v", err)
+	}
+	if len(users) != 1 {
+		t.Fatalf("expected 1 user, got %d", len(users))
+	}
+	if _, ok := users["admin"]; !ok {
+		t.Error("expected 'admin' in users map")
+	}
+}
+
+func TestLoadUsers_SkipsCommentLines(t *testing.T) {
+	hash := hashPepper("admin", "secret")
+	content := "# comment\nadmin:" + hash + "\n"
+	path := writeTempUsersFile(t, content)
+
+	users, err := auth.LoadUsers(path)
+	if err != nil {
+		t.Fatalf("LoadUsers: %v", err)
+	}
+	if len(users) != 1 {
+		t.Fatalf("expected 1 user, got %d", len(users))
+	}
+}
+
+func TestLoadUsers_MissingFile(t *testing.T) {
+	_, err := auth.LoadUsers(filepath.Join(t.TempDir(), "nonexistent.env"))
+	if err == nil {
+		t.Error("expected error for missing file")
+	}
+}
+
+func TestVerifyPassword_CorrectPassword(t *testing.T) {
+	hash := hashPepper("admin", "secret")
+	users := map[string]string{"admin": hash}
+
+	if !auth.VerifyPassword(users, "admin", "secret") {
+		t.Error("expected password to match")
+	}
+}
+
+func TestVerifyPassword_WrongPassword(t *testing.T) {
+	hash := hashPepper("admin", "secret")
+	users := map[string]string{"admin": hash}
+
+	if auth.VerifyPassword(users, "admin", "wrong") {
+		t.Error("expected password to not match")
+	}
+}
+
+func TestVerifyPassword_UnknownUser(t *testing.T) {
+	if auth.VerifyPassword(map[string]string{}, "nobody", "secret") {
+		t.Error("expected false for unknown user")
+	}
+}
+
+func TestGenerateAndValidateJWT(t *testing.T) {
+	token, err := auth.GenerateJWT("admin", "testsecret")
+	if err != nil {
+		t.Fatalf("GenerateJWT: %v", err)
+	}
+	if token == "" {
+		t.Error("expected non-empty token")
+	}
+
+	claims, err := auth.ValidateJWT(token, "testsecret")
+	if err != nil {
+		t.Fatalf("ValidateJWT: %v", err)
+	}
+	if claims.Username != "admin" {
+		t.Errorf("expected username 'admin', got %q", claims.Username)
+	}
+}
+
+func TestValidateJWT_WrongSecret(t *testing.T) {
+	token, _ := auth.GenerateJWT("admin", "correct")
+	if _, err := auth.ValidateJWT(token, "wrong"); err == nil {
+		t.Error("expected error for wrong secret")
+	}
+}
+
+func TestValidateJWT_MalformedToken(t *testing.T) {
+	if _, err := auth.ValidateJWT("not.a.token", "secret"); err == nil {
+		t.Error("expected error for malformed token")
+	}
+}

backend/internal/config/config.go

@@ -9,11 +9,15 @@ import (
 type Config struct {
 	DatabaseURL string
 	Port        string
+	UsersFile   string
+	JWTSecret   string
 }
 
 // Load reads configuration from environment variables.
 // DATABASE_URL is required (no silent default — fails fast if missing).
 // PORT defaults to "3000".
+// USERS_FILE defaults to "users.env".
+// JWT_SECRET is required.
 func Load() *Config {
 	dbURL := os.Getenv("DATABASE_URL")
 	if dbURL == "" {
@@ -21,13 +25,25 @@ func Load() *Config {
 			"Copy .env.example to .env and set the correct value.")
 	}
 
+	jwtSecret := os.Getenv("JWT_SECRET")
+	if jwtSecret == "" {
+		log.Fatal("JWT_SECRET environment variable is required but not set.")
+	}
+
 	port := os.Getenv("PORT")
 	if port == "" {
 		port = "3000"
 	}
 
+	usersFile := os.Getenv("USERS_FILE")
+	if usersFile == "" {
+		usersFile = "users.env"
+	}
+
 	return &Config{
 		DatabaseURL: dbURL,
 		Port:        port,
+		UsersFile:   usersFile,
+		JWTSecret:   jwtSecret,
 	}
 }

backend/internal/handler/auth_handler.go

@@ -0,0 +1,44 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+
+	"osdb/internal/auth"
+)
+
+// AuthHandler handles authentication endpoints.
+type AuthHandler struct {
+	users     map[string]string
+	jwtSecret string
+}
+
+// NewAuthHandler creates an AuthHandler with the given user map and JWT secret.
+func NewAuthHandler(users map[string]string, jwtSecret string) *AuthHandler {
+	return &AuthHandler{users: users, jwtSecret: jwtSecret}
+}
+
+type loginRequest struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+// Login handles POST /api/v1/auth/login.
+func (h *AuthHandler) Login(c echo.Context) error {
+	var req loginRequest
+	if err := c.Bind(&req); err != nil || req.Username == "" {
+		return c.JSON(http.StatusUnauthorized, map[string]string{"error": "invalid credentials"})
+	}
+
+	if !auth.VerifyPassword(h.users, req.Username, req.Password) {
+		return c.JSON(http.StatusUnauthorized, map[string]string{"error": "invalid credentials"})
+	}
+
+	token, err := auth.GenerateJWT(req.Username, h.jwtSecret)
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, map[string]string{"error": "token generation failed"})
+	}
+
+	return c.JSON(http.StatusOK, map[string]string{"token": token})
+}

backend/internal/handler/auth_handler_test.go

@@ -0,0 +1,75 @@
+package handler_test
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"golang.org/x/crypto/bcrypt"
+
+	"github.com/labstack/echo/v4"
+
+	"osdb/internal/handler"
+)
+
+func makeUsersMap(username, password string) map[string]string {
+	h, _ := bcrypt.GenerateFromPassword([]byte(username+":"+password), bcrypt.MinCost)
+	return map[string]string{username: string(h)}
+}
+
+func TestAuthHandler_Login_ValidCredentials(t *testing.T) {
+	users := makeUsersMap("admin", "secret")
+	h := handler.NewAuthHandler(users, "jwttest")
+
+	body := `{"username":"admin","password":"secret"}`
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/auth/login", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	rec := httptest.NewRecorder()
+	c := echo.New().NewContext(req, rec)
+
+	if err := h.Login(c); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if rec.Code != http.StatusOK {
+		t.Errorf("expected 200, got %d — body: %s", rec.Code, rec.Body.String())
+	}
+	if !strings.Contains(rec.Body.String(), "token") {
+		t.Errorf("expected 'token' in response, got: %s", rec.Body.String())
+	}
+}
+
+func TestAuthHandler_Login_InvalidCredentials(t *testing.T) {
+	users := makeUsersMap("admin", "secret")
+	h := handler.NewAuthHandler(users, "jwttest")
+
+	body := `{"username":"admin","password":"wrong"}`
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/auth/login", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	rec := httptest.NewRecorder()
+	c := echo.New().NewContext(req, rec)
+
+	if err := h.Login(c); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if rec.Code != http.StatusUnauthorized {
+		t.Errorf("expected 401, got %d", rec.Code)
+	}
+}
+
+func TestAuthHandler_Login_MissingBody(t *testing.T) {
+	users := makeUsersMap("admin", "secret")
+	h := handler.NewAuthHandler(users, "jwttest")
+
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/auth/login", nil)
+	req.Header.Set("Content-Type", "application/json")
+	rec := httptest.NewRecorder()
+	c := echo.New().NewContext(req, rec)
+
+	if err := h.Login(c); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if rec.Code != http.StatusUnauthorized {
+		t.Errorf("expected 401, got %d", rec.Code)
+	}
+}

backend/internal/middleware/jwt_auth.go

@@ -0,0 +1,27 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/labstack/echo/v4"
+
+	"osdb/internal/auth"
+)
+
+// JWTAuth returns an Echo middleware that requires a valid Bearer JWT.
+func JWTAuth(secret string) echo.MiddlewareFunc {
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			header := c.Request().Header.Get("Authorization")
+			if !strings.HasPrefix(header, "Bearer ") {
+				return c.JSON(http.StatusUnauthorized, map[string]string{"error": "missing token"})
+			}
+			tokenStr := strings.TrimPrefix(header, "Bearer ")
+			if _, err := auth.ValidateJWT(tokenStr, secret); err != nil {
+				return c.JSON(http.StatusUnauthorized, map[string]string{"error": "invalid token"})
+			}
+			return next(c)
+		}
+	}
+}

backend/internal/middleware/jwt_auth_test.go

@@ -0,0 +1,82 @@
+package middleware_test
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/labstack/echo/v4"
+
+	"osdb/internal/auth"
+	mw "osdb/internal/middleware"
+)
+
+const testSecret = "testsecret"
+
+func okHandler(c echo.Context) error {
+	return c.String(http.StatusOK, "ok")
+}
+
+func TestJWTAuth_NoToken_Returns401(t *testing.T) {
+	e := echo.New()
+	req := httptest.NewRequest(http.MethodPost, "/", nil)
+	rec := httptest.NewRecorder()
+	c := e.NewContext(req, rec)
+
+	h := mw.JWTAuth(testSecret)(okHandler)
+	_ = h(c)
+
+	if rec.Code != http.StatusUnauthorized {
+		t.Errorf("expected 401, got %d", rec.Code)
+	}
+}
+
+func TestJWTAuth_ValidToken_Passes(t *testing.T) {
+	token, _ := auth.GenerateJWT("admin", testSecret)
+
+	e := echo.New()
+	req := httptest.NewRequest(http.MethodPost, "/", nil)
+	req.Header.Set("Authorization", "Bearer "+token)
+	rec := httptest.NewRecorder()
+	c := e.NewContext(req, rec)
+
+	h := mw.JWTAuth(testSecret)(okHandler)
+	if err := h(c); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if rec.Code != http.StatusOK {
+		t.Errorf("expected 200, got %d", rec.Code)
+	}
+}
+
+func TestJWTAuth_InvalidToken_Returns401(t *testing.T) {
+	e := echo.New()
+	req := httptest.NewRequest(http.MethodPost, "/", nil)
+	req.Header.Set("Authorization", "Bearer invalid.token.here")
+	rec := httptest.NewRecorder()
+	c := e.NewContext(req, rec)
+
+	h := mw.JWTAuth(testSecret)(okHandler)
+	_ = h(c)
+
+	if rec.Code != http.StatusUnauthorized {
+		t.Errorf("expected 401, got %d", rec.Code)
+	}
+}
+
+func TestJWTAuth_WrongSecret_Returns401(t *testing.T) {
+	token, _ := auth.GenerateJWT("admin", "other-secret")
+
+	e := echo.New()
+	req := httptest.NewRequest(http.MethodPost, "/", nil)
+	req.Header.Set("Authorization", "Bearer "+token)
+	rec := httptest.NewRecorder()
+	c := e.NewContext(req, rec)
+
+	h := mw.JWTAuth(testSecret)(okHandler)
+	_ = h(c)
+
+	if rec.Code != http.StatusUnauthorized {
+		t.Errorf("expected 401, got %d", rec.Code)
+	}
+}