Files
ragflow/internal/router/router.go
Hz_ 074c331cdf fix(go-api): sync document handler interface and enforce preview acce… (#15688)
### Description

This PR syncs the `documentServiceIface` interface and introduces
handler methods for document preview, artifact fetching, and downloading
in the Go API. It also ensures that strict dataset alignment and access
checks are enforced when retrieving or downloading documents.

Furthermore, this PR introduces comprehensive unit tests for both the
newly added Handler and Service methods to ensure robustness and prevent
future regressions.

### Key Changes
* **Router & Handler Integration**: 
  * Added and wired new API endpoints in `internal/router/router.go`.
* Synchronized the `documentServiceIface` with `GetDocumentArtifact`,
`GetDocumentPreview`, and `DownloadDocument`.
* Implemented handlers for these endpoints in
`internal/handler/document.go`.
* **Access & Validation Enforcement**: 
* Refactored `internal/service/document.go` to strictly check if a
document belongs to the requested dataset before allowing downloads or
previews.
* Added robust artifact file sanitization (`sanitizeArtifactFilename`)
and attachment handling (`shouldForceArtifactAttachment`).
* **Comprehensive Unit Testing**:
* **Handler Layer (`internal/handler/document_test.go`)**: Added mock
service implementations and Gin router tests covering success,
not-found, and internal error states for all 3 new endpoints.
* **Service Layer (`internal/service/document_test.go`)**: Added
extensive business logic tests including dataset mismatch checks,
non-existent document checks, and artifact file validation.
2026-06-08 11:37:06 +08:00

537 lines
21 KiB
Go

//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package router
import (
"github.com/gin-gonic/gin"
"ragflow/internal/handler"
)
type Router struct {
authHandler *handler.AuthHandler
userHandler *handler.UserHandler
tenantHandler *handler.TenantHandler
documentHandler *handler.DocumentHandler
datasetsHandler *handler.DatasetsHandler
systemHandler *handler.SystemHandler
knowledgebaseHandler *handler.KnowledgebaseHandler
chunkHandler *handler.ChunkHandler
llmHandler *handler.LLMHandler
chatHandler *handler.ChatHandler
chatSessionHandler *handler.ChatSessionHandler
connectorHandler *handler.ConnectorHandler
searchHandler *handler.SearchHandler
fileHandler *handler.FileHandler
memoryHandler *handler.MemoryHandler
mcpHandler *handler.MCPHandler
skillSearchHandler *handler.SkillSearchHandler
providerHandler *handler.ProviderHandler
agentHandler *handler.AgentHandler
relatedQuestionsHandler *handler.SearchbotHandler
difyRetrievalHandler *handler.DifyRetrievalHandler
}
// NewRouter create router
func NewRouter(
authHandler *handler.AuthHandler,
userHandler *handler.UserHandler,
tenantHandler *handler.TenantHandler,
documentHandler *handler.DocumentHandler,
datasetsHandler *handler.DatasetsHandler,
systemHandler *handler.SystemHandler,
knowledgebaseHandler *handler.KnowledgebaseHandler,
chunkHandler *handler.ChunkHandler,
llmHandler *handler.LLMHandler,
chatHandler *handler.ChatHandler,
chatSessionHandler *handler.ChatSessionHandler,
connectorHandler *handler.ConnectorHandler,
searchHandler *handler.SearchHandler,
fileHandler *handler.FileHandler,
memoryHandler *handler.MemoryHandler,
mcpHandler *handler.MCPHandler,
skillSearchHandler *handler.SkillSearchHandler,
providerHandler *handler.ProviderHandler,
agentHandler *handler.AgentHandler,
relatedQuestionsHandler *handler.SearchbotHandler,
difyRetrievalHandler *handler.DifyRetrievalHandler,
) *Router {
return &Router{
authHandler: authHandler,
userHandler: userHandler,
tenantHandler: tenantHandler,
documentHandler: documentHandler,
datasetsHandler: datasetsHandler,
systemHandler: systemHandler,
knowledgebaseHandler: knowledgebaseHandler,
chunkHandler: chunkHandler,
llmHandler: llmHandler,
chatHandler: chatHandler,
chatSessionHandler: chatSessionHandler,
connectorHandler: connectorHandler,
searchHandler: searchHandler,
fileHandler: fileHandler,
memoryHandler: memoryHandler,
mcpHandler: mcpHandler,
skillSearchHandler: skillSearchHandler,
providerHandler: providerHandler,
agentHandler: agentHandler,
relatedQuestionsHandler: relatedQuestionsHandler,
difyRetrievalHandler: difyRetrievalHandler,
}
}
// Setup setup routes
func (r *Router) Setup(engine *gin.Engine) {
// Mark all responses from Go with a header for debugging.
engine.Use(func(c *gin.Context) {
c.Header("X-API-Source", "go")
c.Next()
})
// Log all HTTP requests.
engine.Use(gin.Logger())
// Health check
engine.GET("/health", r.systemHandler.Health)
// System endpoints
engine.GET("/v1/system/configs", r.systemHandler.GetConfigs)
//engine.POST("/v1/user/register", r.userHandler.Register)
// User logout endpoint
engine.GET("/v1/user/logout", r.userHandler.Logout)
// OAuth callbacks are invoked by third-party providers and cannot rely on
// the RAGFlow auth middleware.
engine.GET("/connectors/gmail/oauth/web/callback", r.connectorHandler.GmailWebOAuthCallback)
engine.GET("/connectors/google-drive/oauth/web/callback", r.connectorHandler.GoogleDriveWebOAuthCallback)
apiNoAuth := engine.Group("/api/v1")
{
apiNoAuth.GET("/system/ping", r.systemHandler.Ping)
apiNoAuth.GET("/system/config", r.systemHandler.GetConfig)
apiNoAuth.GET("/system/version", r.systemHandler.GetVersion)
apiNoAuth.GET("/system/healthz", r.systemHandler.Healthz)
// User login channels endpoint
apiNoAuth.GET("/auth/login/channels", r.userHandler.GetLoginChannels)
// User login by email endpoint
apiNoAuth.POST("/auth/login", r.userHandler.LoginByEmail)
// OAuth / OIDC login routes. The static "channels" segment is
// registered before the wildcard, so gin's tree resolves
// /auth/login/channels to GetLoginChannels and other values to
// OAuthLogin without conflict.
apiNoAuth.GET("/auth/login/:channel", r.userHandler.OAuthLogin)
apiNoAuth.GET("/auth/oauth/:channel/callback", r.userHandler.OAuthCallback)
// Register
apiNoAuth.POST("/users", r.userHandler.Register)
// Document images are embedded directly in pages and match Python's public route.
apiNoAuth.GET("/documents/images/:image_id", r.documentHandler.GetDocumentImage)
// Google redirects here after Gmail / Google Drive web OAuth completes.
apiNoAuth.GET("/connectors/gmail/oauth/web/callback", r.connectorHandler.GmailWebOAuthCallback)
apiNoAuth.GET("/connectors/google-drive/oauth/web/callback", r.connectorHandler.GoogleDriveWebOAuthCallback)
}
// Protected routes
authorized := engine.Group("")
authorized.Use(r.authHandler.AuthMiddleware())
{
// User info endpoint
authorized.GET("/v1/user/info", r.userHandler.Info)
// User tenant info endpoint
authorized.GET("/v1/user/tenant_info", r.tenantHandler.TenantInfo)
// Tenant list endpoint
authorized.GET("/v1/tenant/list", r.tenantHandler.TenantList)
// User settings endpoint
authorized.POST("/v1/user/setting", r.userHandler.Setting)
// User change password endpoint
authorized.POST("/v1/user/setting/password", r.userHandler.ChangePassword)
// User set tenant info endpoint
authorized.POST("/v1/user/set_tenant_info", r.userHandler.SetTenantInfo)
// API v1 route group
v1 := authorized.Group("/api/v1")
{
// Auth routes
auth := v1.Group("/auth")
{
// User logout endpoint
auth.POST("/logout", r.userHandler.Logout)
}
// Users routes
users := v1.Group("/users")
{
users.GET("/me", r.userHandler.Info)
// User settings endpoint
users.PATCH("/me", r.userHandler.Setting)
// User tenant info endpoint
users.GET("/me/models", r.tenantHandler.TenantInfo)
// User set tenant info endpoint
users.PATCH("/me/models", r.userHandler.SetTenantInfo)
}
tenants := v1.Group("/tenants")
{
tenants.GET("", r.tenantHandler.TenantList)
tenants.PATCH("/:tenant_id", r.tenantHandler.AcceptTenantInvite)
tenants.GET("/:tenant_id/users", r.tenantHandler.ListTenantMembers)
tenants.POST("/:tenant_id/users", r.tenantHandler.AddTenantMember)
tenants.DELETE("/:tenant_id/users", r.tenantHandler.RemoveTenantMember)
}
v1.GET("/tenant/list", r.tenantHandler.TenantList)
// Document routes
documents := v1.Group("/documents")
{
documents.POST("", r.documentHandler.CreateDocument)
documents.GET("", r.documentHandler.ListDocuments)
documents.GET("/artifact/:filename", r.documentHandler.GetDocumentArtifact)
documents.GET("/:id/preview", r.documentHandler.GetDocumentPreview)
documents.GET("/:id", r.documentHandler.GetDocumentByID)
documents.PUT("/:id", r.documentHandler.UpdateDocument)
documents.DELETE("/:id", r.documentHandler.DeleteDocument)
}
// Chat routes
chats := v1.Group("/chats")
{
chats.GET("", r.chatHandler.ListChats)
chats.GET("/:chat_id", r.chatHandler.GetChat)
chats.GET("/:chat_id/sessions", r.chatSessionHandler.ListChatSessions)
}
// Searchbot routes
v1.POST("/searchbots/related_questions", r.relatedQuestionsHandler.Handle)
// Dataset routes
datasets := v1.Group("/datasets")
{
datasets.GET("", r.datasetsHandler.ListDatasets)
datasets.GET("/:dataset_id", r.datasetsHandler.GetDataset)
datasets.GET("/:dataset_id/graph", r.datasetsHandler.GetKnowledgeGraph)
datasets.DELETE("/:dataset_id/tags", r.datasetsHandler.RemoveTags)
datasets.DELETE("/:dataset_id/graph", r.datasetsHandler.DeleteKnowledgeGraph)
datasets.POST("", r.datasetsHandler.CreateDataset)
datasets.DELETE("", r.datasetsHandler.DeleteDatasets)
datasets.POST("/search", r.chunkHandler.RetrievalTest)
datasets.GET("/metadata/flattened", r.datasetsHandler.ListMetadataFlattened)
// Dataset ingestion logs
datasets.GET("/:dataset_id/ingestions/summary", r.datasetsHandler.GetIngestionSummary)
datasets.GET("/:dataset_id/ingestions", r.datasetsHandler.ListIngestionLogs)
datasets.GET("/:dataset_id/ingestions/:log_id", r.datasetsHandler.GetIngestionLog)
// Metadata Config
datasets.GET("/:dataset_id/metadata/config", r.datasetsHandler.GetMetadataConfig)
datasets.PUT("/:dataset_id/metadata/config", r.datasetsHandler.UpdateMetadataConfig)
// Dataset documents
datasets.GET("/:dataset_id/documents", r.documentHandler.ListDocuments)
datasets.GET("/:dataset_id/documents/:document_id", r.documentHandler.DownloadDocument)
datasets.DELETE("/:dataset_id/documents", r.documentHandler.DeleteDocuments)
// Dataset document chunk
datasets.GET("/:dataset_id/documents/:document_id/chunks/:chunk_id", r.chunkHandler.Get)
datasets.POST("/:dataset_id/documents/parse", r.documentHandler.ParseDocuments)
datasets.POST("/:dataset_id/documents/stop", r.documentHandler.StopParseDocuments)
datasets.DELETE("/:dataset_id/documents/:document_id/chunks", r.chunkHandler.RemoveChunks)
}
// Search routes
searches := v1.Group("/searches")
{
searches.GET("", r.searchHandler.ListSearches)
searches.POST("", r.searchHandler.CreateSearch)
searches.GET("/:search_id", r.searchHandler.GetSearch)
searches.PUT("/:search_id", r.searchHandler.UpdateSearch)
searches.DELETE("/:search_id", r.searchHandler.DeleteSearch)
}
file := v1.Group("/files")
{
file.POST("", r.fileHandler.UploadFile)
file.GET("", r.fileHandler.ListFiles)
file.DELETE("", r.fileHandler.DeleteFiles)
file.POST("/move", r.fileHandler.MoveFiles)
file.GET("/:id/ancestors", r.fileHandler.GetFileAncestors)
file.GET("/:id/parent", r.fileHandler.GetParentFolder)
file.GET("/:id", r.fileHandler.Download)
}
// Author routes
authors := v1.Group("/authors")
{
authors.GET("/:author_id/documents", r.documentHandler.GetDocumentsByAuthorID)
}
// Memory routes
memory := v1.Group("/memories")
{
memory.POST("", r.memoryHandler.CreateMemory)
memory.PUT("/:memory_id", r.memoryHandler.UpdateMemory)
memory.DELETE("/:memory_id", r.memoryHandler.DeleteMemory)
memory.GET("", r.memoryHandler.ListMemories)
memory.GET("/:memory_id/config", r.memoryHandler.GetMemoryConfig)
memory.GET("/:memory_id", r.memoryHandler.GetMemoryMessages)
}
// TODO: Message routes - Implementation pending - depends on CanvasService, TaskService and embedding engine
// message := v1.Group("/messages")
// {
// message.POST("", r.memoryHandler.AddMessage)
// message.DELETE("/:memory_id/:message_id", r.memoryHandler.ForgetMessage)
// message.PUT("/:memory_id/:message_id", r.memoryHandler.UpdateMessage)
// message.GET("/search", r.memoryHandler.SearchMessage)
// message.GET("", r.memoryHandler.GetMessages)
// message.GET("/:memory_id/:message_id/content", r.memoryHandler.GetMessageContent)
// }
// Skill search routes
skills := v1.Group("/skills")
{
// Skill Space management
skills.GET("/spaces", r.skillSearchHandler.ListSpaces)
skills.POST("/spaces", r.skillSearchHandler.CreateSpace)
skills.GET("/spaces/:space_id", r.skillSearchHandler.GetSpace)
skills.PUT("/spaces/:space_id", r.skillSearchHandler.UpdateSpace)
skills.DELETE("/spaces/:space_id", r.skillSearchHandler.DeleteSpace)
skills.GET("/space/by-folder", r.skillSearchHandler.GetSpaceByFolder)
// Skill search config
skills.GET("/config", r.skillSearchHandler.GetConfig)
skills.POST("/config", r.skillSearchHandler.UpdateConfig)
// Skill search and indexing
skills.POST("/search", r.skillSearchHandler.Search)
skills.POST("/index", r.skillSearchHandler.IndexSkills)
skills.DELETE("/index", r.skillSearchHandler.DeleteSkillIndex)
skills.POST("/reindex", r.skillSearchHandler.Reindex)
}
// provider pool route group
provider := v1.Group("/providers")
{
provider.GET("/", r.providerHandler.ListProviders)
provider.PUT("/", r.providerHandler.AddProvider)
provider.GET("/:provider_name", r.providerHandler.ShowProvider)
provider.DELETE("/:provider_name", r.providerHandler.DeleteProvider)
provider.GET("/:provider_name/models", r.providerHandler.ListModels)
provider.GET("/:provider_name/models/:model_name", r.providerHandler.ShowModel)
provider.POST("/:provider_name/instances", r.providerHandler.CreateProviderInstance)
provider.GET("/:provider_name/instances", r.providerHandler.ListProviderInstances)
provider.GET("/:provider_name/instances/:instance_name", r.providerHandler.ShowProviderInstance)
provider.GET("/:provider_name/instances/:instance_name/balance", r.providerHandler.ShowInstanceBalance)
provider.GET("/:provider_name/instances/:instance_name/connection", r.providerHandler.CheckInstanceConnection)
provider.GET("/:provider_name/connection", r.providerHandler.CheckConnection)
provider.GET("/:provider_name/instances/:instance_name/tasks", r.providerHandler.ListTasks)
provider.GET("/:provider_name/instances/:instance_name/tasks/:task_id", r.providerHandler.ShowTask)
provider.PUT("/:provider_name/instances/:instance_name", r.providerHandler.AlterProviderInstance)
provider.DELETE("/:provider_name/instances", r.providerHandler.DropProviderInstance)
provider.GET("/:provider_name/instances/:instance_name/models", r.providerHandler.ListInstanceModels)
provider.PATCH("/:provider_name/instances/:instance_name/models/*model_name", r.providerHandler.EnableOrDisableModel)
provider.POST("/:provider_name/instances/:instance_name/models", r.providerHandler.AddModel)
provider.DELETE("/:provider_name/instances/:instance_name/models", r.providerHandler.DropInstanceModels)
v1.POST("/chat/completions", r.providerHandler.ChatToModel)
v1.POST("/embeddings", r.providerHandler.EmbedText)
v1.POST("/rerank", r.providerHandler.RerankDocument)
v1.POST("/audio/transcriptions", r.providerHandler.TranscribeAudio)
v1.POST("/audio/speech", r.providerHandler.AudioSpeech)
v1.POST("/file/ocr", r.providerHandler.OCRFile)
v1.POST("/file/parse", r.providerHandler.ParseFile)
}
model := v1.Group("/models")
{
model.GET("/", r.tenantHandler.GetModels)
model.PATCH("/", r.tenantHandler.SetModels)
}
// Agent routes
agents := v1.Group("/agents")
{
agents.GET("", r.agentHandler.ListAgents)
agents.GET("/templates", r.agentHandler.ListTemplates)
agents.GET("/:agent_id/versions", r.agentHandler.ListAgentVersions)
agents.GET("/:agent_id/versions/:version_id", r.agentHandler.GetAgentVersion)
agents.POST("/:agent_id/upload", r.agentHandler.UploadAgentFile)
agents.PUT("/:agent_id/tags", r.agentHandler.UpdateAgentTags)
}
connector := v1.Group("/connectors")
{
connector.GET("/", r.connectorHandler.ListConnectors)
connector.POST("/", r.connectorHandler.CreateConnector)
connector.POST("/google/oauth/web/start", r.connectorHandler.StartGoogleWebOAuth)
connector.POST("/google/oauth/web/result", r.connectorHandler.PollGoogleWebOAuthResult)
connector.GET("/:connector_id", r.connectorHandler.GetConnector)
connector.GET("/:connector_id/logs", r.connectorHandler.ListLogs)
connector.DELETE("/:connector_id", r.connectorHandler.DeleteConnector)
connector.POST("/:connector_id/rebuild", r.connectorHandler.RebuildConnector)
connector.POST("/:connector_id/test", r.connectorHandler.TestConnector)
}
// MCP server routes. Per-server CRUD ships via separate PRs that
// share the same handler/service: GET list (#15253), GET by id
// (#15254), POST create (#15260, merged), PUT (#15261), DELETE
// (#15262, merged). This PR adds only the non-overlapping
// endpoints: import and test.
mcp := v1.Group("/mcp")
{
mcp.POST("/servers", r.mcpHandler.CreateMCPServer)
mcp.GET("/servers", r.mcpHandler.ListMCPServers)
mcp.PUT("/servers/:mcp_id", r.mcpHandler.UpdateMCPServer)
mcp.DELETE("/servers/:mcp_id", r.mcpHandler.DeleteMCPServer)
mcp.POST("/servers/import", r.mcpHandler.ImportMCPServers)
mcp.POST("/servers/:mcp_id/test", r.mcpHandler.TestMCPServer)
}
system := v1.Group("/system")
{
system.GET("/configs", r.systemHandler.GetConfigs)
system.GET("/status", r.systemHandler.GetStatus)
system.GET("/stats", r.systemHandler.GetStats)
config := system.Group("/config")
{
config.GET("/log", r.systemHandler.GetLogLevel)
config.PUT("/log", r.systemHandler.SetLogLevel)
}
//log := system.Group("/log")
//{
// // /api/v1/system/log GET
// log.GET("", r.systemHandler.GetLogLevel)
// // /api/v1/system/log PUT
// log.PUT("", r.systemHandler.SetLogLevel)
//}
tokens := system.Group("/tokens")
{
// list tokens /api/v1/system/tokens GET
tokens.GET("", r.systemHandler.ListTokens)
// create token /api/v1/system/tokens POST
tokens.POST("", r.systemHandler.CreateToken)
// delete token /api/v1/system/tokens/:token DELETE
tokens.DELETE("/:token", r.systemHandler.DeleteToken)
}
}
}
// Knowledge base routes
kb := v1.Group("/kb")
{
kb.POST("/update", r.knowledgebaseHandler.UpdateKB)
kb.POST("/update_metadata_setting", r.knowledgebaseHandler.UpdateMetadataSetting)
kb.GET("/detail", r.knowledgebaseHandler.GetDetail)
kb.GET("/tags", r.knowledgebaseHandler.ListTagsFromKbs)
kb.GET("/get_meta", r.knowledgebaseHandler.GetMeta)
kb.GET("/basic_info", r.knowledgebaseHandler.GetBasicInfo)
// KB ID specific routes
kbByID := kb.Group("/:kb_id")
{
kbByID.GET("/tags", r.knowledgebaseHandler.ListTags)
kbByID.POST("/rename_tag", r.knowledgebaseHandler.RenameTag)
kbByID.GET("/knowledge_graph", r.knowledgebaseHandler.KnowledgeGraph)
kbByID.DELETE("/knowledge_graph", r.knowledgebaseHandler.DeleteKnowledgeGraph)
}
}
// Tenant routes (per-tenant resources)
tenant := v1.Group("/tenant")
{
tenant.POST("/chunk_store", r.tenantHandler.CreateChunkStore) // Internal API only for GO
tenant.DELETE("/chunk_store", r.tenantHandler.DeleteChunkStore) // Internal API only for GO
tenant.POST("/metadata_store", r.tenantHandler.CreateMetadataStore) // Internal API only for GO
tenant.DELETE("/metadata_store", r.tenantHandler.DeleteMetadataStore) // Internal API only for GO
tenant.POST("/insert_chunks_from_file", r.tenantHandler.InsertChunksFromFile) // Internal API only for GO
tenant.POST("/insert_metadata_from_file", r.tenantHandler.InsertMetadataFromFile) // Internal API only for GO
}
// Document routes
doc := v1.Group("/document")
{
doc.POST("/list", r.documentHandler.ListDocuments)
doc.POST("/metadata/summary", r.documentHandler.MetadataSummary)
doc.POST("/set_meta", r.documentHandler.SetMeta)
doc.POST("/delete_meta", r.documentHandler.DeleteMeta) // Internal API only for GO
}
v1.GET("/thumbnails", r.documentHandler.GetThumbnail)
// Chunk routes
chunk := v1.Group("/chunk")
{
chunk.POST("/list", r.chunkHandler.List)
chunk.POST("/update", r.chunkHandler.UpdateChunk) // Internal API only for GO
}
// Chat routes
chat := authorized.Group("/v1/dialog")
{
chat.POST("/next", r.chatHandler.ListChatsNext)
chat.POST("/set", r.chatHandler.SetDialog)
chat.POST("/rm", r.chatHandler.RemoveChats)
}
// Chat session (conversation) routes
session := authorized.Group("/v1/conversation")
{
session.POST("/set", r.chatSessionHandler.SetChatSession)
session.POST("/rm", r.chatSessionHandler.RemoveChatSessions)
session.GET("/list", r.chatSessionHandler.ListChatSessions)
session.POST("/completion", r.chatSessionHandler.Completion)
}
// Connector routes
connector := authorized.Group("/v1/connector")
{
connector.GET("/list", r.connectorHandler.ListConnectors)
connector.GET("/:connector_id", r.connectorHandler.GetConnector)
connector.POST("/:connector_id/rebuild", r.connectorHandler.RebuildConnector)
}
// File routes
file := authorized.Group("/v1/file")
{
file.GET("/root_folder", r.fileHandler.GetRootFolder)
file.GET("/parent_folder", r.fileHandler.GetParentFolder)
file.GET("/all_parent_folder", r.fileHandler.GetAllParentFolders)
}
}
// Dify retrieval routes
dify := authorized.Group("/api/v1/dify")
{
dify.POST("/retrieval", r.difyRetrievalHandler.Retrieval)
dify.GET("/retrieval", r.difyRetrievalHandler.Retrieval)
}
apiNoAuth.GET("/dify/retrieval/health", r.difyRetrievalHandler.HealthCheck)
// Handle undefined routes
engine.NoRoute(handler.HandleNoRoute)
}