Files
ragflow/internal/handler/connector.go
Haruko386 df55880b44 feat[Go] implement /connectors/google/oauth (#15584)
### What problem does this PR solve?

The following API is available in go

> /api/v1/connectors/google/oauth/web/start POST
> /api/v1/connectors/gmail/oauth/web/callback GET
> /api/v1/connectors/google-drive/oauth/web/callback GET
> /api/v1/connectors/google/oauth/web/result POST


### Type of change

- [x] New Feature (non-breaking change which adds functionality)
2026-06-03 20:08:55 +08:00

507 lines
14 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 handler
import (
"encoding/json"
"errors"
"net/http"
"strconv"
"strings"
"github.com/gin-gonic/gin"
"ragflow/internal/common"
"ragflow/internal/entity"
"ragflow/internal/service"
)
type connectorServiceIface interface {
ListConnectors(userID string) (*service.ListConnectorsResponse, error)
CreateConnector(userID string, req *service.CreateConnectorRequest) (*entity.Connector, error)
GetConnector(connectorID, userID string) (*entity.Connector, common.ErrorCode, error)
ListLog(connectorID, userID string, page, pageSize int) ([]*entity.ConnectorSyncLog, int64, common.ErrorCode, error)
DeleteConnector(connectorID, userID string) (bool, common.ErrorCode, error)
RebuildConnector(connectorID, userID, kbID string) (bool, common.ErrorCode, error)
TestConnector(connectorID, userID string) error
UpdateConnector(connectorID, userID string, req *service.UpdateConnectorRequest) (*entity.Connector, common.ErrorCode, error)
StartGoogleWebOAuth(userID, source string, req *service.StartGoogleWebOAuthRequest) (*service.StartGoogleWebOAuthResponse, common.ErrorCode, error)
GoogleWebOAuthCallback(source, stateID, oauthError, errorDescription, code string) string
PollGoogleWebOAuthResult(userID, source string, req *service.PollGoogleWebOAuthResultRequest) (*service.PollGoogleWebOAuthResultResponse, common.ErrorCode, error)
}
// ConnectorHandler connector handler
type ConnectorHandler struct {
connectorService connectorServiceIface
userService *service.UserService
}
// NewConnectorHandler create connector handler
func NewConnectorHandler(connectorService *service.ConnectorService, userService *service.UserService) *ConnectorHandler {
return &ConnectorHandler{
connectorService: connectorService,
userService: userService,
}
}
// ListConnectors list connectors
// @Summary List Connectors
// @Description Get list of connectors for the current user (equivalent to Python's list_connector)
// @Tags connector
// @Accept json
// @Produce json
// @Success 200 {object} service.ListConnectorsResponse
// @Router /connector/list [get]
func (h *ConnectorHandler) ListConnectors(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
userID := user.ID
// List connectors
result, err := h.connectorService.ListConnectors(userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"code": 500,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"code": 0,
"data": result.Connectors,
"message": "success",
})
}
// connectorErrorResponse maps service sentinel errors to the response codes used
// by the Python connector_api, and writes the JSON response. It returns true when
// the error was handled.
func connectorErrorResponse(c *gin.Context, err error) bool {
switch {
case err == nil:
return false
case errors.Is(err, service.ErrConnectorNoAuth):
c.JSON(http.StatusOK, gin.H{"code": common.CodeAuthenticationError, "data": false, "message": "No authorization."})
case errors.Is(err, service.ErrConnectorNotFound):
c.JSON(http.StatusOK, gin.H{"code": common.CodeDataError, "data": nil, "message": "Can't find this Connector!"})
case errors.Is(err, service.ErrConnectorTestUnsupported):
c.JSON(http.StatusOK, gin.H{"code": common.CodeArgumentError, "data": false, "message": err.Error()})
default:
c.JSON(http.StatusInternalServerError, gin.H{"code": common.CodeServerError, "data": nil, "message": err.Error()})
}
return true
}
// GetConnector get connector
// @Summary Get Connector
// @Description Get connector details for the current user
// @Tags connector
// @Accept json
// @Produce json
// @Success 200 {object} map[string]interface{}
// @Router /api/v1/connectors/{connector_id} [get]
func (h *ConnectorHandler) GetConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
connector, code, err := h.connectorService.GetConnector(c.Param("connector_id"), user.ID)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": connector,
"message": "success",
})
}
// UpdateConnector Update an accessible connector's polling configuration.
func (h *ConnectorHandler) UpdateConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
req, err := decodeUpdateConnectorRequest(c)
if err != nil {
jsonError(c, common.CodeBadRequest, err.Error())
return
}
connector, code, err := h.connectorService.UpdateConnector(c.Param("connector_id"), user.ID, req)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": connector,
"message": "success",
})
}
func decodeUpdateConnectorRequest(c *gin.Context) (*service.UpdateConnectorRequest, error) {
var raw map[string]json.RawMessage
if err := c.ShouldBindJSON(&raw); err != nil {
return nil, err
}
payload := raw
if dataRaw, ok := raw["data"]; ok {
var nested map[string]json.RawMessage
if err := json.Unmarshal(dataRaw, &nested); err == nil && nested != nil {
payload = nested
}
}
data, err := json.Marshal(payload)
if err != nil {
return nil, err
}
var req service.UpdateConnectorRequest
if err := json.Unmarshal(data, &req); err != nil {
return nil, err
}
return &req, nil
}
// ListLogs list connector sync logs.
// @Summary List Connector Logs
// @Description List sync logs for a connector the current user can access
// @Tags connector
// @Accept json
// @Produce json
// @Success 200 {object} map[string]interface{}
// @Router /api/v1/connectors/{connector_id}/logs [get]
func (h *ConnectorHandler) ListLogs(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
page := 1
if rawPage := strings.TrimSpace(c.DefaultQuery("page", "1")); rawPage != "" {
parsedPage, err := strconv.Atoi(rawPage)
if err != nil {
jsonError(c, common.CodeArgumentError, "page must be an integer")
return
}
page = parsedPage
}
pageSize := 15
if rawPageSize := strings.TrimSpace(c.DefaultQuery("page_size", "15")); rawPageSize != "" {
parsedPageSize, err := strconv.Atoi(rawPageSize)
if err != nil {
jsonError(c, common.CodeArgumentError, "page_size must be an integer")
return
}
pageSize = parsedPageSize
}
logs, total, code, err := h.connectorService.ListLog(c.Param("connector_id"), user.ID, page, pageSize)
if err != nil {
jsonError(c, code, err.Error())
return
}
if logs == nil {
logs = []*entity.ConnectorSyncLog{}
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": gin.H{"total": total, "logs": logs},
"message": "success",
})
}
// CreateConnector create connector
// @Summary create Connectors
// @Description create a connectors for the current user
// @Tags connector
// @Accept json
// @Produce json
// @Success 200 {object} service.ListConnectorsResponse
// @Router /connector/ [post]
func (h *ConnectorHandler) CreateConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
var req service.CreateConnectorRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"code": common.CodeBadRequest,
"data": nil,
"message": "Invalid request body: " + err.Error(),
})
return
}
if strings.TrimSpace(req.Name) == "" {
c.JSON(http.StatusOK, gin.H{
"code": common.CodeDataError,
"data": nil,
"message": "name is required",
})
return
}
if strings.TrimSpace(req.Source) == "" {
c.JSON(http.StatusOK, gin.H{
"code": common.CodeDataError,
"data": nil,
"message": "source is required",
})
return
}
if req.Config == nil {
c.JSON(http.StatusOK, gin.H{
"code": common.CodeDataError,
"data": nil,
"message": "config is required",
})
return
}
connector, err := h.connectorService.CreateConnector(user.ID, &req)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"code": common.CodeServerError,
"data": nil,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": connector,
"message": "success",
})
}
// TestConnector validates an accessible connector's stored credentials.
// @Summary Test Connector
// @Description Validate connector credentials / connection (equivalent to Python's test_connector)
// @Tags connector
// @Produce json
// @Param connector_id path string true "connector ID"
// @Router /api/v1/connectors/{connector_id}/test [post]
func (h *ConnectorHandler) TestConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
connectorID := c.Param("connector_id")
if connectorID == "" {
c.JSON(http.StatusBadRequest, gin.H{"code": common.CodeBadRequest, "data": nil, "message": "connector_id is required"})
return
}
err := h.connectorService.TestConnector(connectorID, user.ID)
if errors.Is(err, service.ErrConnectorTestUnsupported) {
connectorErrorResponse(c, err)
return
}
if err != nil && !errors.Is(err, service.ErrConnectorNoAuth) && !errors.Is(err, service.ErrConnectorNotFound) {
// Validation failure (e.g. missing credentials): mirror Python's DATA_ERROR with data=false.
c.JSON(http.StatusOK, gin.H{"code": common.CodeDataError, "data": false, "message": err.Error()})
return
}
if connectorErrorResponse(c, err) {
return
}
c.JSON(http.StatusOK, gin.H{"code": common.CodeSuccess, "data": true, "message": "success"})
}
// DeleteConnector delete connector
// @Description Detele Connector
// @Tags connector
// @Accept json
// @Produce json
func (h *ConnectorHandler) DeleteConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
ok, code, err := h.connectorService.DeleteConnector(c.Param("connector_id"), user.ID)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": ok,
"message": "success",
})
}
// RebuildConnector rebuild connector
// @Summary Rebuild Connector
// @Description Trigger a rebuild for an accessible connector and knowledge base
// @Tags connector
// @Accept json
// @Produce json
// @Success 200 {object} map[string]interface{}
// @Router /connector/:connector_id/rebuild [post]
func (h *ConnectorHandler) RebuildConnector(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
// Parse request body to get kb_id
var req struct {
KbID string `json:"kb_id" binding:"required"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusOK, gin.H{
"code": common.CodeDataError,
"data": nil,
"message": "required argument is missing: kb_id",
})
return
}
if strings.TrimSpace(req.KbID) == "" {
c.JSON(http.StatusOK, gin.H{
"code": common.CodeDataError,
"data": nil,
"message": "kb_id cannot be empty",
})
return
}
ok, code, err := h.connectorService.RebuildConnector(c.Param("connector_id"), user.ID, req.KbID)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": ok,
"message": "success",
})
}
func (h *ConnectorHandler) StartGoogleWebOAuth(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
var req service.StartGoogleWebOAuthRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"code": common.CodeBadRequest,
"data": nil,
"message": err.Error(),
})
return
}
data, code, err := h.connectorService.StartGoogleWebOAuth(user.ID, c.DefaultQuery("type", "google-drive"), &req)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": data,
"message": "success",
})
}
func (h *ConnectorHandler) PollGoogleWebOAuthResult(c *gin.Context) {
user, errorCode, errorMessage := GetUser(c)
if errorCode != common.CodeSuccess {
jsonError(c, errorCode, errorMessage)
return
}
var req service.PollGoogleWebOAuthResultRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"code": common.CodeBadRequest,
"data": nil,
"message": err.Error(),
})
return
}
data, code, err := h.connectorService.PollGoogleWebOAuthResult(user.ID, c.Query("type"), &req)
if err != nil {
jsonError(c, code, err.Error())
return
}
c.JSON(http.StatusOK, gin.H{
"code": common.CodeSuccess,
"data": data,
"message": "success",
})
}
func (h *ConnectorHandler) GoogleWebOAuthCallback(c *gin.Context) {
h.googleWebOAuthCallback(c, c.Param("source"))
}
func (h *ConnectorHandler) GoogleDriveWebOAuthCallback(c *gin.Context) {
h.googleWebOAuthCallback(c, "google-drive")
}
func (h *ConnectorHandler) GmailWebOAuthCallback(c *gin.Context) {
h.googleWebOAuthCallback(c, "gmail")
}
func (h *ConnectorHandler) googleWebOAuthCallback(c *gin.Context, source string) {
html := h.connectorService.GoogleWebOAuthCallback(
source,
c.Query("state"),
c.Query("error"),
c.Query("error_description"),
c.Query("code"),
)
c.Data(http.StatusOK, "text/html; charset=utf-8", []byte(html))
}