fix: 修复 Gemini 风格 /v1/models 列表请求 (#6199)

* fix: support Gemini model listing on v1 route

* test: cover Gemini query key model listing

middleware/auth.go

@@ -374,7 +374,8 @@ func TokenAuth() func(c *gin.Context) {
 			}
 		}
 		// gemini api 从query中获取key
-		if strings.HasPrefix(c.Request.URL.Path, "/v1beta/models") ||
+		if c.Request.URL.Path == "/v1/models" ||
+			strings.HasPrefix(c.Request.URL.Path, "/v1beta/models") ||
 			strings.HasPrefix(c.Request.URL.Path, "/v1beta/openai/models") ||
 			strings.HasPrefix(c.Request.URL.Path, "/v1/models/") {
 			skKey := c.Query("key")

router/relay-router.go

@@ -25,7 +25,7 @@ func SetRelayRouter(router *gin.Engine) {
 			case c.GetHeader("x-api-key") != "" && c.GetHeader("anthropic-version") != "":
 				controller.ListModels(c, constant.ChannelTypeAnthropic)
 			case c.GetHeader("x-goog-api-key") != "" || c.Query("key") != "": // 单独的适配
-				controller.RetrieveModel(c, constant.ChannelTypeGemini)
+				controller.ListModels(c, constant.ChannelTypeGemini)
 			default:
 				controller.ListModels(c, constant.ChannelTypeOpenAI)
 			}

router/relay_router_test.go

+package router
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/model"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestListModelsSupportsOpenAIAndGeminiAuthentication(t *testing.T) {
+	setupRelayRouterTestDB(t)
+
+	user := model.User{
+		Username: "models-user",
+		Status:   common.UserStatusEnabled,
+		Group:    "default",
+		Quota:    100,
+	}
+	require.NoError(t, model.DB.Create(&user).Error)
+	require.NoError(t, model.DB.Create(&model.Token{
+		UserId:         user.Id,
+		Key:            "modelstestkey",
+		Status:         common.TokenStatusEnabled,
+		ExpiredTime:    -1,
+		UnlimitedQuota: true,
+	}).Error)
+
+	engine := gin.New()
+	SetRelayRouter(engine)
+
+	tests := []struct {
+		name           string
+		path           string
+		headerName     string
+		expectedObject string
+		expectedField  string
+	}{
+		{
+			name:           "OpenAI bearer token",
+			path:           "/v1/models",
+			headerName:     "Authorization",
+			expectedObject: "list",
+			expectedField:  "data",
+		},
+		{
+			name:          "Gemini API key header",
+			path:          "/v1/models",
+			headerName:    "x-goog-api-key",
+			expectedField: "models",
+		},
+		{
+			name:          "Gemini API key query",
+			path:          "/v1/models?key=modelstestkey",
+			expectedField: "models",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			recorder := httptest.NewRecorder()
+			request := httptest.NewRequest(http.MethodGet, test.path, nil)
+			if test.headerName != "" {
+				value := "modelstestkey"
+				if test.headerName == "Authorization" {
+					value = "Bearer " + value
+				}
+				request.Header.Set(test.headerName, value)
+			}
+
+			engine.ServeHTTP(recorder, request)
+
+			require.Equal(t, http.StatusOK, recorder.Code)
+			var payload map[string]any
+			require.NoError(t, common.Unmarshal(recorder.Body.Bytes(), &payload))
+			assert.Contains(t, payload, test.expectedField)
+			assert.NotContains(t, payload, "error")
+			if test.expectedObject != "" {
+				assert.Equal(t, test.expectedObject, payload["object"])
+			}
+		})
+	}
+}
+
+func setupRelayRouterTestDB(t *testing.T) {
+	t.Helper()
+
+	gin.SetMode(gin.TestMode)
+	originalIsMasterNode := common.IsMasterNode
+	originalRedisEnabled := common.RedisEnabled
+	originalSQLitePath := common.SQLitePath
+	originalMainDatabaseType := common.MainDatabaseType()
+	originalLogDatabaseType := common.LogDatabaseType()
+	originalSQLDSN, hadSQLDSN := os.LookupEnv("SQL_DSN")
+
+	common.IsMasterNode = false
+	common.RedisEnabled = false
+	common.SQLitePath = fmt.Sprintf("file:%s?mode=memory&cache=shared", strings.ReplaceAll(t.Name(), "/", "_"))
+	common.SetDatabaseTypes(common.DatabaseTypeSQLite, common.DatabaseTypeSQLite)
+	require.NoError(t, os.Setenv("SQL_DSN", "local"))
+	require.NoError(t, model.InitDB())
+	model.LOG_DB = model.DB
+	require.NoError(t, model.DB.AutoMigrate(&model.User{}, &model.Token{}, &model.Ability{}))
+
+	t.Cleanup(func() {
+		if sqlDB, err := model.DB.DB(); err == nil {
+			_ = sqlDB.Close()
+		}
+		common.IsMasterNode = originalIsMasterNode
+		common.RedisEnabled = originalRedisEnabled
+		common.SQLitePath = originalSQLitePath
+		common.SetDatabaseTypes(originalMainDatabaseType, originalLogDatabaseType)
+		if hadSQLDSN {
+			require.NoError(t, os.Setenv("SQL_DSN", originalSQLDSN))
+		} else {
+			require.NoError(t, os.Unsetenv("SQL_DSN"))
+		}
+	})
+}