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role.go
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role.go
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// Copyright 2021 The Casdoor 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 object
import (
"fmt"
"strings"
"github.com/casdoor/casdoor/conf"
"github.com/casdoor/casdoor/util"
"github.com/xorm-io/core"
)
type Role struct {
Owner string `xorm:"varchar(100) notnull pk" json:"owner"`
Name string `xorm:"varchar(100) notnull pk" json:"name"`
CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
DisplayName string `xorm:"varchar(100)" json:"displayName"`
Description string `xorm:"varchar(100)" json:"description"`
Users []string `xorm:"mediumtext" json:"users"`
Roles []string `xorm:"mediumtext" json:"roles"`
Domains []string `xorm:"mediumtext" json:"domains"`
IsEnabled bool `json:"isEnabled"`
}
func GetRoleCount(owner, field, value string) (int64, error) {
session := GetSession(owner, -1, -1, field, value, "", "")
return session.Count(&Role{})
}
func GetRoles(owner string) ([]*Role, error) {
roles := []*Role{}
err := adapter.Engine.Desc("created_time").Find(&roles, &Role{Owner: owner})
if err != nil {
return roles, err
}
return roles, nil
}
func GetPaginationRoles(owner string, offset, limit int, field, value, sortField, sortOrder string) ([]*Role, error) {
roles := []*Role{}
session := GetSession(owner, offset, limit, field, value, sortField, sortOrder)
err := session.Find(&roles)
if err != nil {
return roles, err
}
return roles, nil
}
func getRole(owner string, name string) (*Role, error) {
if owner == "" || name == "" {
return nil, nil
}
role := Role{Owner: owner, Name: name}
existed, err := adapter.Engine.Get(&role)
if err != nil {
return &role, err
}
if existed {
return &role, nil
} else {
return nil, nil
}
}
func GetRole(id string) (*Role, error) {
owner, name := util.GetOwnerAndNameFromIdNoCheck(id)
return getRole(owner, name)
}
func UpdateRole(id string, role *Role) (bool, error) {
owner, name := util.GetOwnerAndNameFromIdNoCheck(id)
oldRole, err := getRole(owner, name)
if err != nil {
return false, err
}
if oldRole == nil {
return false, nil
}
visited := map[string]struct{}{}
permissions, err := GetPermissionsByRole(id)
if err != nil {
return false, err
}
for _, permission := range permissions {
removeGroupingPolicies(permission)
removePolicies(permission)
visited[permission.GetId()] = struct{}{}
}
ancestorRoles, err := GetAncestorRoles(id)
if err != nil {
return false, err
}
for _, r := range ancestorRoles {
permissions, err := GetPermissionsByRole(r.GetId())
if err != nil {
return false, err
}
for _, permission := range permissions {
permissionId := permission.GetId()
if _, ok := visited[permissionId]; !ok {
removeGroupingPolicies(permission)
visited[permissionId] = struct{}{}
}
}
}
if name != role.Name {
err := roleChangeTrigger(name, role.Name)
if err != nil {
return false, nil
}
}
affected, err := adapter.Engine.ID(core.PK{owner, name}).AllCols().Update(role)
if err != nil {
return false, err
}
visited = map[string]struct{}{}
newRoleID := role.GetId()
permissions, err = GetPermissionsByRole(newRoleID)
if err != nil {
return false, err
}
for _, permission := range permissions {
addGroupingPolicies(permission)
addPolicies(permission)
visited[permission.GetId()] = struct{}{}
}
ancestorRoles, err = GetAncestorRoles(newRoleID)
if err != nil {
return false, err
}
for _, r := range ancestorRoles {
permissions, err := GetPermissionsByRole(r.GetId())
if err != nil {
return false, err
}
for _, permission := range permissions {
permissionId := permission.GetId()
if _, ok := visited[permissionId]; !ok {
addGroupingPolicies(permission)
visited[permissionId] = struct{}{}
}
}
}
return affected != 0, nil
}
func AddRole(role *Role) (bool, error) {
affected, err := adapter.Engine.Insert(role)
if err != nil {
return false, err
}
return affected != 0, nil
}
func AddRoles(roles []*Role) bool {
if len(roles) == 0 {
return false
}
affected, err := adapter.Engine.Insert(roles)
if err != nil {
if !strings.Contains(err.Error(), "Duplicate entry") {
panic(err)
}
}
return affected != 0
}
func AddRolesInBatch(roles []*Role) bool {
batchSize := conf.GetConfigBatchSize()
if len(roles) == 0 {
return false
}
affected := false
for i := 0; i < (len(roles)-1)/batchSize+1; i++ {
start := i * batchSize
end := (i + 1) * batchSize
if end > len(roles) {
end = len(roles)
}
tmp := roles[start:end]
// TODO: save to log instead of standard output
// fmt.Printf("Add users: [%d - %d].\n", start, end)
if AddRoles(tmp) {
affected = true
}
}
return affected
}
func DeleteRole(role *Role) (bool, error) {
roleId := role.GetId()
permissions, err := GetPermissionsByRole(roleId)
if err != nil {
return false, err
}
for _, permission := range permissions {
permission.Roles = util.DeleteVal(permission.Roles, roleId)
_, err := UpdatePermission(permission.GetId(), permission)
if err != nil {
return false, err
}
}
affected, err := adapter.Engine.ID(core.PK{role.Owner, role.Name}).Delete(&Role{})
if err != nil {
return false, err
}
return affected != 0, nil
}
func (role *Role) GetId() string {
return fmt.Sprintf("%s/%s", role.Owner, role.Name)
}
func GetRolesByUser(userId string) ([]*Role, error) {
roles := []*Role{}
err := adapter.Engine.Where("users like ?", "%"+userId+"\"%").Find(&roles)
if err != nil {
return roles, err
}
allRolesIds := make([]string, 0, len(roles))
for _, role := range roles {
allRolesIds = append(allRolesIds, role.GetId())
}
allRoles, err := GetAncestorRoles(allRolesIds...)
if err != nil {
return nil, err
}
for i := range allRoles {
allRoles[i].Users = nil
}
return allRoles, nil
}
func roleChangeTrigger(oldName string, newName string) error {
session := adapter.Engine.NewSession()
defer session.Close()
err := session.Begin()
if err != nil {
return err
}
var roles []*Role
err = adapter.Engine.Find(&roles)
if err != nil {
return err
}
for _, role := range roles {
for j, u := range role.Roles {
owner, name := util.GetOwnerAndNameFromId(u)
if name == oldName {
role.Roles[j] = util.GetId(owner, newName)
}
}
_, err = session.Where("name=?", role.Name).And("owner=?", role.Owner).Update(role)
if err != nil {
return err
}
}
var permissions []*Permission
err = adapter.Engine.Find(&permissions)
if err != nil {
return err
}
for _, permission := range permissions {
for j, u := range permission.Roles {
// u = organization/username
owner, name := util.GetOwnerAndNameFromId(u)
if name == oldName {
permission.Roles[j] = util.GetId(owner, newName)
}
}
_, err = session.Where("name=?", permission.Name).And("owner=?", permission.Owner).Update(permission)
if err != nil {
return err
}
}
return session.Commit()
}
func GetMaskedRoles(roles []*Role) []*Role {
for _, role := range roles {
role.Users = nil
}
return roles
}
func GetRolesByNamePrefix(owner string, prefix string) ([]*Role, error) {
roles := []*Role{}
err := adapter.Engine.Where("owner=? and name like ?", owner, prefix+"%").Find(&roles)
if err != nil {
return roles, err
}
return roles, nil
}
// GetAncestorRoles returns a list of roles that contain the given roleIds
func GetAncestorRoles(roleIds ...string) ([]*Role, error) {
var (
result = []*Role{}
roleMap = make(map[string]*Role)
visited = make(map[string]bool)
)
if len(roleIds) == 0 {
return result, nil
}
for _, roleId := range roleIds {
visited[roleId] = true
}
owner, _ := util.GetOwnerAndNameFromIdNoCheck(roleIds[0])
allRoles, err := GetRoles(owner)
if err != nil {
return nil, err
}
for _, r := range allRoles {
roleMap[r.GetId()] = r
}
// Second, find all the roles that contain father roles
for _, r := range allRoles {
isContain, ok := visited[r.GetId()]
if isContain {
result = append(result, r)
} else if !ok {
rId := r.GetId()
visited[rId] = containsRole(r, roleMap, visited, roleIds...)
if visited[rId] {
result = append(result, r)
}
}
}
return result, nil
}
// containsRole is a helper function to check if a roles is related to any role in the given list roles
func containsRole(role *Role, roleMap map[string]*Role, visited map[string]bool, roleIds ...string) bool {
roleId := role.GetId()
if isContain, ok := visited[roleId]; ok {
return isContain
}
visited[role.GetId()] = false
for _, subRole := range role.Roles {
if util.HasString(roleIds, subRole) {
return true
}
r, ok := roleMap[subRole]
if ok && containsRole(r, roleMap, visited, roleIds...) {
return true
}
}
return false
}