fix: accept bare admin JWT authorization header

Allow the admin JWT middleware to parse either Authorization: Bearer <jwt>
or a bare JWT value, matching the existing comment. Add tests covering both
accepted forms plus missing and empty authorization headers.

src/middleware/check_jwt.go

@@ -27,16 +27,9 @@ const (
 func CheckAdminJWT() echo.MiddlewareFunc {
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
 		return func(ctx echo.Context) error {
-			raw := strings.TrimSpace(ctx.Request().Header.Get("Authorization"))
-			if raw == "" {
-				return echo.NewHTTPError(http.StatusUnauthorized, "missing authorization header")
-			}
-			if !strings.HasPrefix(raw, "Bearer ") {
-				return echo.NewHTTPError(http.StatusUnauthorized, "authorization header must use Bearer scheme")
-			}
-			token := strings.TrimSpace(raw[len("Bearer "):])
-			if token == "" {
-				return echo.NewHTTPError(http.StatusUnauthorized, "empty token")
+			token, err := adminTokenFromAuthorization(ctx.Request().Header.Get("Authorization"))
+			if err != nil {
+				return err
 			}
 			claims, err := appjwt.Parse(token)
 			if err != nil {
@@ -48,3 +41,23 @@ func CheckAdminJWT() echo.MiddlewareFunc {
 		}
 	}
 }
+
+func adminTokenFromAuthorization(header string) (string, error) {
+	raw := strings.TrimSpace(header)
+	if raw == "" {
+		return "", echo.NewHTTPError(http.StatusUnauthorized, "missing authorization header")
+	}
+
+	const bearerPrefix = "Bearer "
+	token := raw
+	if strings.HasPrefix(raw, bearerPrefix) {
+		token = strings.TrimSpace(raw[len(bearerPrefix):])
+	} else if raw == strings.TrimSpace(bearerPrefix) {
+		token = ""
+	}
+
+	if token == "" {
+		return "", echo.NewHTTPError(http.StatusUnauthorized, "empty token")
+	}
+	return token, nil
+}

src/middleware/check_jwt_test.go

@@ -0,0 +1,118 @@
+package middleware
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/GMWalletApp/epusdt/internal/testutil"
+	"github.com/GMWalletApp/epusdt/model/data"
+	"github.com/GMWalletApp/epusdt/model/mdb"
+	appjwt "github.com/GMWalletApp/epusdt/util/jwt"
+	"github.com/labstack/echo/v4"
+)
+
+func TestAdminTokenFromAuthorization(t *testing.T) {
+	tests := []struct {
+		name    string
+		header  string
+		want    string
+		wantErr bool
+	}{
+		{
+			name:   "bearer token",
+			header: "Bearer jwt-token",
+			want:   "jwt-token",
+		},
+		{
+			name:   "bare token",
+			header: "jwt-token",
+			want:   "jwt-token",
+		},
+		{
+			name:   "trimmed bare token",
+			header: "  jwt-token  ",
+			want:   "jwt-token",
+		},
+		{
+			name:    "missing header",
+			header:  "",
+			wantErr: true,
+		},
+		{
+			name:    "empty bearer token",
+			header:  "Bearer ",
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := adminTokenFromAuthorization(tt.header)
+			if tt.wantErr {
+				if err == nil {
+					t.Fatal("expected error")
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tt.want {
+				t.Fatalf("token = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestCheckAdminJWTAcceptsBearerAndBareTokens(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting(mdb.SettingGroupSystem, mdb.SettingKeyJwtSecret, "test-jwt-secret", mdb.SettingTypeString); err != nil {
+		t.Fatalf("seed jwt secret: %v", err)
+	}
+	token, err := appjwt.Sign(42, "admin")
+	if err != nil {
+		t.Fatalf("sign jwt: %v", err)
+	}
+
+	tests := []struct {
+		name   string
+		header string
+	}{
+		{
+			name:   "bearer token",
+			header: "Bearer " + token,
+		},
+		{
+			name:   "bare token",
+			header: token,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			e := echo.New()
+			e.Use(CheckAdminJWT())
+			e.GET("/", func(ctx echo.Context) error {
+				if got := ctx.Get(AdminUserIDKey); got != uint64(42) {
+					t.Fatalf("%s = %v, want 42", AdminUserIDKey, got)
+				}
+				if got := ctx.Get(AdminUsernameKey); got != "admin" {
+					t.Fatalf("%s = %v, want admin", AdminUsernameKey, got)
+				}
+				return ctx.NoContent(http.StatusNoContent)
+			})
+
+			req := httptest.NewRequest(http.MethodGet, "/", nil)
+			req.Header.Set(echo.HeaderAuthorization, tt.header)
+			rec := httptest.NewRecorder()
+			e.ServeHTTP(rec, req)
+
+			if rec.Code != http.StatusNoContent {
+				t.Fatalf("status = %d, want %d; body=%s", rec.Code, http.StatusNoContent, rec.Body.String())
+			}
+		})
+	}
+}