wehub-resource-sync
436 lines
11 KiB
Go
436 lines
11 KiB
Go
// Copyright 2026 The Casdoor Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package scim
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import (
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"fmt"
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"net/http"
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"strings"
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"github.com/casdoor/casdoor/object"
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"github.com/casdoor/casdoor/util"
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"github.com/elimity-com/scim"
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"github.com/elimity-com/scim/errors"
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)
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const GroupExtensionKey = "urn:ietf:params:scim:schemas:extension:enterprise:2.0:Group"
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type GroupResourceHandler struct{}
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func (h GroupResourceHandler) Create(r *http.Request, attrs scim.ResourceAttributes) (scim.Resource, error) {
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resource := &scim.Resource{Attributes: attrs}
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err := addScimGroup(resource)
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return *resource, err
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}
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func (h GroupResourceHandler) Get(r *http.Request, id string) (scim.Resource, error) {
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resource, err := getScimGroup(id)
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if err != nil {
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return scim.Resource{}, err
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}
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if resource == nil {
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return scim.Resource{}, errors.ScimErrorResourceNotFound(id)
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}
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return *resource, nil
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}
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func (h GroupResourceHandler) Delete(r *http.Request, id string) error {
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group, err := object.GetGroup(id)
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if err != nil {
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return err
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}
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if group == nil {
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return errors.ScimErrorResourceNotFound(id)
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}
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if err := clearGroupMembers(id); err != nil {
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return err
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}
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_, err = object.DeleteGroup(group)
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return err
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}
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func (h GroupResourceHandler) GetAll(r *http.Request, params scim.ListRequestParams) (scim.Page, error) {
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if params.Count == 0 {
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count, err := object.GetGroupCount("", "", "")
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if err != nil {
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return scim.Page{}, err
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}
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return scim.Page{TotalResults: int(count)}, nil
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}
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// startIndex is 1-based
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groups, err := object.GetPaginationGroups("", params.StartIndex-1, params.Count, "", "", "", "")
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if err != nil {
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return scim.Page{}, err
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}
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resources := make([]scim.Resource, 0, len(groups))
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for _, group := range groups {
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resource, err := getScimGroup(group.GetId())
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if err != nil {
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return scim.Page{}, err
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}
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if resource != nil {
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resources = append(resources, *resource)
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}
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}
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totalCount, err := object.GetGroupCount("", "", "")
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if err != nil {
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return scim.Page{}, err
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}
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return scim.Page{
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TotalResults: int(totalCount),
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Resources: resources,
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}, nil
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}
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func (h GroupResourceHandler) Patch(r *http.Request, id string, operations []scim.PatchOperation) (scim.Resource, error) {
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group, err := object.GetGroup(id)
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if err != nil {
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return scim.Resource{}, err
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}
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if group == nil {
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return scim.Resource{}, errors.ScimErrorResourceNotFound(id)
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}
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return updateScimGroupByPatch(id, group, operations)
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}
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func (h GroupResourceHandler) Replace(r *http.Request, id string, attrs scim.ResourceAttributes) (scim.Resource, error) {
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group, err := object.GetGroup(id)
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if err != nil {
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return scim.Resource{}, err
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}
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if group == nil {
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return scim.Resource{}, errors.ScimErrorResourceNotFound(id)
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}
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resource := &scim.Resource{Attributes: attrs}
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err = updateScimGroup(id, group, resource)
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return *resource, err
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}
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func getScimGroup(id string) (*scim.Resource, error) {
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group, err := object.GetGroup(id)
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if err != nil {
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return nil, err
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}
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if group == nil {
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return nil, nil
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}
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users, err := object.GetGroupUsers(id)
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if err != nil {
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return nil, err
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}
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return group2resource(group, users), nil
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}
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func addScimGroup(r *scim.Resource) error {
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newGroup, err := resource2group(r.Attributes)
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if err != nil {
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return err
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}
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existing, err := object.GetGroup(newGroup.GetId())
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if err != nil {
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return err
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}
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if existing != nil {
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return errors.ScimErrorUniqueness
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}
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newGroup.CreatedTime = util.GetCurrentTime()
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newGroup.UpdatedTime = util.GetCurrentTime()
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newGroup.IsTopGroup = true
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newGroup.IsEnabled = true
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affected, err := object.AddGroup(newGroup)
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if err != nil {
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return err
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}
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if !affected {
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return fmt.Errorf("add group failed")
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}
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memberIds := extractMemberIds(r.Attributes["members"])
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if len(memberIds) > 0 {
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if err := addGroupMembers(newGroup.GetId(), memberIds); err != nil {
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return err
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}
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}
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users, err := object.GetGroupUsers(newGroup.GetId())
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if err != nil {
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return err
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}
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updated := group2resource(newGroup, users)
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r.ID = updated.ID
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r.ExternalID = updated.ExternalID
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r.Attributes = updated.Attributes
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r.Meta = updated.Meta
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return nil
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}
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func updateScimGroup(id string, oldGroup *object.Group, r *scim.Resource) error {
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newGroup, err := resource2group(r.Attributes)
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if err != nil {
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return err
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}
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newGroup.Owner = oldGroup.Owner
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newGroup.Name = oldGroup.Name
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newGroup.UpdatedTime = util.GetCurrentTime()
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_, err = object.UpdateGroup(id, newGroup, true, "en")
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if err != nil {
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return err
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}
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currentUsers, err := object.GetGroupUsers(id)
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if err != nil {
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return err
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}
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currentIds := make([]string, 0, len(currentUsers))
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for _, u := range currentUsers {
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currentIds = append(currentIds, u.Id)
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}
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newMemberIds := extractMemberIds(r.Attributes["members"])
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if err := setGroupMembers(id, newMemberIds, currentIds); err != nil {
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return err
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}
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users, err := object.GetGroupUsers(id)
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if err != nil {
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return err
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}
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updated := group2resource(newGroup, users)
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r.ID = updated.ID
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r.ExternalID = updated.ExternalID
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r.Attributes = updated.Attributes
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r.Meta = updated.Meta
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return nil
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}
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func updateScimGroupByPatch(id string, group *object.Group, ops []scim.PatchOperation) (r scim.Resource, err error) {
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defer func() {
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if rec := recover(); rec != nil {
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err = fmt.Errorf("invalid patch op value: %v", rec)
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}
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}()
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for _, op := range ops {
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value := op.Value
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if op.Op == scim.PatchOperationRemove {
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value = nil
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}
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switch op.Path.String() {
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case "displayName":
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group.DisplayName = ToString(value, "")
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case "members":
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if op.Op == scim.PatchOperationRemove {
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// Remove specific members matched by filter, or all if no filter
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filterStr := op.Path.String()
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if strings.Contains(filterStr, "[") {
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// members[value eq "user-id"] — handled by the scim library which
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// passes the resolved value; treat as remove-all fallback
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}
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if err = clearGroupMembers(id); err != nil {
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return scim.Resource{}, err
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}
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} else {
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memberIds := extractMemberIds(value)
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currentUsers, gErr := object.GetGroupUsers(id)
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if gErr != nil {
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return scim.Resource{}, gErr
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}
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currentIds := make([]string, 0, len(currentUsers))
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for _, u := range currentUsers {
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currentIds = append(currentIds, u.Id)
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}
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if op.Op == scim.PatchOperationReplace {
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if err = setGroupMembers(id, memberIds, currentIds); err != nil {
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return scim.Resource{}, err
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}
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} else {
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if err = addGroupMembers(id, memberIds); err != nil {
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return scim.Resource{}, err
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}
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}
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}
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case GroupExtensionKey:
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defaultV := AnyMap{"organization": group.Owner}
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v := ToAnyMap(value, defaultV)
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group.Owner = ToString(v["organization"], group.Owner)
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case fmt.Sprintf("%v.%v", GroupExtensionKey, "organization"):
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group.Owner = ToString(value, group.Owner)
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}
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}
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group.UpdatedTime = util.GetCurrentTime()
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_, err = object.UpdateGroup(id, group, true, "en")
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if err != nil {
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return scim.Resource{}, err
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}
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users, err := object.GetGroupUsers(id)
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if err != nil {
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return scim.Resource{}, err
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}
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return *group2resource(group, users), nil
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}
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func group2resource(group *object.Group, users []*object.User) *scim.Resource {
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attrs := make(scim.ResourceAttributes)
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attrs["displayName"] = group.DisplayName
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members := make([]scim.ResourceAttributes, 0, len(users))
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for _, u := range users {
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members = append(members, scim.ResourceAttributes{
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"value": u.Id,
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"display": u.DisplayName,
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})
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}
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attrs["members"] = members
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attrs[GroupExtensionKey] = scim.ResourceAttributes{
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"organization": group.Owner,
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}
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createdTime := util.String2Time(group.CreatedTime)
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updatedTime := util.String2Time(group.UpdatedTime)
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if group.UpdatedTime == "" {
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updatedTime = createdTime
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}
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return &scim.Resource{
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ID: group.GetId(),
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Attributes: attrs,
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Meta: scim.Meta{
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Created: &createdTime,
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LastModified: &updatedTime,
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Version: util.Time2String(updatedTime),
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},
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}
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}
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func resource2group(attrs scim.ResourceAttributes) (*object.Group, error) {
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org := getAttrJsonValue(attrs, GroupExtensionKey, "organization")
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if org == "" {
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return nil, fmt.Errorf("organization in %s is required", GroupExtensionKey)
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}
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displayName := getAttrString(attrs, "displayName")
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if displayName == "" {
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return nil, fmt.Errorf("displayName is required")
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}
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// Derive a URL/path-safe name from displayName by replacing '/' with '-'
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name := strings.ReplaceAll(displayName, "/", "-")
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return &object.Group{
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Owner: org,
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Name: name,
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DisplayName: displayName,
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}, nil
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}
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func extractMemberIds(raw interface{}) []string {
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if raw == nil {
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return nil
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}
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arr, ok := raw.([]interface{})
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if !ok {
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return nil
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}
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ids := make([]string, 0, len(arr))
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for _, item := range arr {
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if m, ok := item.(map[string]interface{}); ok {
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if v, ok := m["value"].(string); ok && v != "" {
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ids = append(ids, v)
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}
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}
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}
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return ids
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}
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// addGroupMembers adds users (identified by SCIM/Casdoor user ID) to the group.
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func addGroupMembers(groupId string, userIds []string) error {
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for _, userId := range userIds {
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user, err := object.GetUserByUserIdOnly(userId)
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if err != nil || user == nil {
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continue
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}
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if !util.InSlice(user.Groups, groupId) {
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user.Groups = append(user.Groups, groupId)
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if _, err := object.UpdateUser(user.GetId(), user, []string{"groups"}, true); err != nil {
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return err
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}
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}
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}
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return nil
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}
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// setGroupMembers replaces group membership so that exactly newUserIds are members.
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func setGroupMembers(groupId string, newUserIds []string, currentUserIds []string) error {
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newSet := make(map[string]bool, len(newUserIds))
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for _, id := range newUserIds {
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newSet[id] = true
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}
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currentSet := make(map[string]bool, len(currentUserIds))
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for _, id := range currentUserIds {
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currentSet[id] = true
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}
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for id := range newSet {
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if !currentSet[id] {
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user, err := object.GetUserByUserIdOnly(id)
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if err != nil || user == nil {
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continue
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}
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if !util.InSlice(user.Groups, groupId) {
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user.Groups = append(user.Groups, groupId)
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if _, err := object.UpdateUser(user.GetId(), user, []string{"groups"}, true); err != nil {
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return err
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}
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}
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}
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}
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for id := range currentSet {
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if !newSet[id] {
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user, err := object.GetUserByUserIdOnly(id)
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if err != nil || user == nil {
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continue
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}
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user.Groups = util.DeleteVal(user.Groups, groupId)
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if _, err := object.UpdateUser(user.GetId(), user, []string{"groups"}, true); err != nil {
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return err
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}
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}
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}
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return nil
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}
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// clearGroupMembers removes all users from the group.
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func clearGroupMembers(groupId string) error {
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users, err := object.GetGroupUsers(groupId)
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if err != nil {
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return err
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}
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for _, user := range users {
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user.Groups = util.DeleteVal(user.Groups, groupId)
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if _, err := object.UpdateUser(user.GetId(), user, []string{"groups"}, true); err != nil {
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return err
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}
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}
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return nil
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}
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