kra-new/internal/data/system/authority.go

835 lines
28 KiB
Go

package system
import (
"context"
"errors"
"kra/internal/biz/system"
"gorm.io/gorm"
)
var errInvalidDataScope = errors.New("数据权限范围不合法")
type authorityAccessRepo struct{ data Provider }
func NewAuthorityAccessRepo(data Provider) system.AuthorityAccessRepo {
return &authorityAccessRepo{data: data}
}
func (r *authorityAccessRepo) strictAuthorityIDs(ctx context.Context, actorID uint) (map[uint]bool, error) {
allowed := make(map[uint]bool)
if actorID == 0 {
return allowed, nil
}
var actor authorityPO
if err := r.data.DB().WithContext(ctx).Where("authority_id = ?", actorID).First(&actor).Error; err != nil {
return nil, err
}
var authorities []authorityPO
if err := r.data.DB().WithContext(ctx).Find(&authorities).Error; err != nil {
return nil, err
}
children := make(map[uint][]uint)
for _, authority := range authorities {
if authority.ParentID != nil {
children[*authority.ParentID] = append(children[*authority.ParentID], authority.AuthorityID)
}
}
var walk func(uint)
walk = func(id uint) {
for _, child := range children[id] {
if !allowed[child] {
allowed[child] = true
walk(child)
}
}
}
if actor.ParentID == nil || *actor.ParentID == 0 {
allowed[actorID] = true
}
walk(actorID)
if actor.ParentID != nil && *actor.ParentID != 0 {
// A non-root authority manages descendants, never itself. Removing the
// actor explicitly also keeps malformed cyclic trees from reopening the
// self-management path.
delete(allowed, actorID)
}
return allowed, nil
}
func (r *authorityAccessRepo) strictAuthorityAccess(ctx context.Context) (system.Actor, map[uint]bool, bool, error) {
config := r.data.Runtime().Admin()
if config == nil || config.System == nil || !config.System.UseStrictAuth {
return system.Actor{}, nil, false, nil
}
actor, ok := system.ActorFromContext(ctx)
if !ok {
return system.Actor{}, nil, true, errors.New("您提交的角色ID不合法")
}
allowed, err := r.strictAuthorityIDs(ctx, actor.AuthorityID)
if err != nil {
return system.Actor{}, nil, true, err
}
return actor, allowed, true, nil
}
func (r *authorityAccessRepo) checkAuthorityIDsAuth(ctx context.Context, targetIDs []uint) error {
_, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil || !strict {
return err
}
for _, targetID := range targetIDs {
if !allowed[targetID] {
return errors.New("您提交的角色ID不合法")
}
}
return nil
}
func (r *authorityAccessRepo) checkAuthorityIDAuth(ctx context.Context, targetID uint) error {
return r.checkAuthorityIDsAuth(ctx, []uint{targetID})
}
func managedAuthorityParent(actor system.Actor, allowed map[uint]bool, targetID uint, parentID *uint, creating bool) (*uint, error) {
if creating && (parentID == nil || *parentID == 0) {
value := actor.AuthorityID
return &value, nil
}
if !creating && targetID == actor.AuthorityID && allowed[actor.AuthorityID] && (parentID == nil || *parentID == 0) {
return parentID, nil
}
if parentID == nil || *parentID == 0 || *parentID == targetID || (*parentID != actor.AuthorityID && !allowed[*parentID]) {
return nil, errors.New("您提交的角色ID不合法")
}
return parentID, nil
}
func (r *authorityAccessRepo) ensureAuthorityParentAcyclic(ctx context.Context, targetID uint, parentID *uint) error {
if parentID == nil || *parentID == 0 {
return nil
}
current := *parentID
visited := make(map[uint]struct{})
for current != 0 {
if current == targetID {
return errors.New("角色父级不能形成循环")
}
if _, seen := visited[current]; seen {
return errors.New("角色层级存在循环")
}
visited[current] = struct{}{}
var authority authorityPO
if err := r.data.DB().WithContext(ctx).Select("authority_id", "parent_id").Where("authority_id = ?", current).First(&authority).Error; err != nil {
return err
}
if authority.ParentID == nil {
return nil
}
current = *authority.ParentID
}
return nil
}
func (r *authorityAccessRepo) CreateAuthority(ctx context.Context, value *system.Authority) error {
if value.DataScope == 0 {
value.DataScope = 1
} else if value.DataScope < 1 || value.DataScope > 5 {
return errInvalidDataScope
}
if err := r.checkDataScopeGrant(ctx, value.DataScope, nil); err != nil {
return err
}
actor, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil {
return err
}
if strict {
value.ParentID, err = managedAuthorityParent(actor, allowed, value.AuthorityID, value.ParentID, true)
if err != nil {
return err
}
}
return r.data.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
// The administration contract checks existence with First and treats every result other than
// ErrRecordNotFound as a duplicate-role error. Keep that precedence so
// duplicate IDs win over strict-tree validation and the API message stays
// compatible.
var existing authorityPO
if err := tx.Where("authority_id = ?", value.AuthorityID).First(&existing).Error; !errors.Is(err, gorm.ErrRecordNotFound) {
return errors.New("存在相同角色id")
}
if value.DefaultRouter == "" {
value.DefaultRouter = "dashboard"
}
po := authorityPO{AuthorityID: value.AuthorityID, AuthorityName: value.AuthorityName, ParentID: value.ParentID, DataScope: value.DataScope, DefaultRouter: value.DefaultRouter}
if err := tx.Create(&po).Error; err != nil {
return err
}
value.CreatedAt, value.UpdatedAt = po.CreatedAt, po.UpdatedAt
value.DataScope, value.DefaultRouter = po.DataScope, po.DefaultRouter
value.Menus = []*system.Menu{{ID: 1, Path: "dashboard", Name: "dashboard", Component: "view/dashboard/index.vue", Sort: 1, Title: "仪表盘", Icon: "setting"}}
var dashboard menuPO
if err := tx.Where("name = ?", "dashboard").First(&dashboard).Error; err == nil {
grantDashboard := true
if strict && !allowed[actor.AuthorityID] {
var count int64
if err = tx.Model(&authorityMenuPO{}).Where("sys_authority_authority_id = ? AND sys_base_menu_id = ?", actor.AuthorityID, dashboard.ID).Count(&count).Error; err != nil {
return err
}
grantDashboard = count > 0
}
if grantDashboard {
if err = tx.Create(&authorityMenuPO{SysAuthorityAuthorityID: value.AuthorityID, SysBaseMenuID: dashboard.ID}).Error; err != nil {
return err
}
} else {
value.Menus = nil
}
}
defaults := []struct{ path, method string }{{"/menu/getMenu", "POST"}, {"/jwt/jsonInBlacklist", "POST"}, {"/base/login", "POST"}, {"/user/changePassword", "POST"}, {"/user/setUserAuthority", "POST"}, {"/user/getUserInfo", "GET"}, {"/user/setSelfInfo", "PUT"}, {"/fileUploadAndDownload/upload", "POST"}, {"/sysDictionary/findSysDictionary", "GET"}}
rules := make([]casbinRulePO, 0, len(defaults))
for _, item := range defaults {
if strict {
permitted, policyErr := r.copyPolicyAllowed(ctx, tx, actor.AuthorityID, item.path, item.method)
if policyErr != nil {
return policyErr
}
if !permitted {
continue
}
}
rules = append(rules, newPolicyRule(value.AuthorityID, item.path, item.method))
}
if len(rules) > 0 {
if err := tx.Create(&rules).Error; err != nil {
return err
}
}
return nil
})
}
func (r *authorityAccessRepo) CopyAuthority(ctx context.Context, sourceID uint, value *system.Authority) error {
if value.DataScope == 0 {
value.DataScope = 1
} else if value.DataScope < 1 || value.DataScope > 5 {
return errInvalidDataScope
}
if err := r.checkDataScopeGrant(ctx, value.DataScope, nil); err != nil {
return err
}
actor, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil {
return err
}
return r.data.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
// Reject a duplicate target ID before performing the
// hierarchy/Casbin checks that happen later in UpdateCasbin.
var existing authorityPO
if err := tx.Where("authority_id = ?", value.AuthorityID).First(&existing).Error; !errors.Is(err, gorm.ErrRecordNotFound) {
return errors.New("存在相同角色id")
}
// UpdateCasbin checks that the newly-created role is in the actor's
// strict-authority subtree. Before inserting it, the equivalent check is
// that its requested parent is the actor or one of the actor's allowed
// descendants. This preserves the compatible error and prevents a transient role
// from being visible when the check is guaranteed to fail.
if strict {
if sourceID != actor.AuthorityID && !allowed[sourceID] {
return errors.New("您提交的角色ID不合法")
}
value.ParentID, err = managedAuthorityParent(actor, allowed, value.AuthorityID, value.ParentID, true)
if err != nil {
return err
}
}
po := authorityPO{AuthorityID: value.AuthorityID, AuthorityName: value.AuthorityName, ParentID: value.ParentID, DataScope: value.DataScope, DefaultRouter: value.DefaultRouter}
if err := tx.Create(&po).Error; err != nil {
return err
}
value.CreatedAt, value.UpdatedAt = po.CreatedAt, po.UpdatedAt
value.DataScope, value.DefaultRouter = po.DataScope, po.DefaultRouter
copyLinks := func(table string, destination any, columns map[string]any) error {
return tx.Table(table).Where(columns).Find(destination).Error
}
var menus []authorityMenuPO
if err := copyLinks("sys_authority_menus", &menus, map[string]any{"sys_authority_authority_id": sourceID}); err != nil {
return err
}
if strict && len(menus) > 0 {
menuIDs := make([]uint, 0, len(menus))
for _, menu := range menus {
menuIDs = append(menuIDs, menu.SysBaseMenuID)
}
if err := checkMenuAssignment(tx.WithContext(ctx), actor.AuthorityID, allowed[actor.AuthorityID], menuIDs); err != nil {
return err
}
}
for i := range menus {
menus[i].SysAuthorityAuthorityID = value.AuthorityID
}
if len(menus) > 0 {
if err := tx.Create(&menus).Error; err != nil {
return err
}
}
if len(menus) > 0 {
menuIDs := make([]uint, 0, len(menus))
for _, menu := range menus {
menuIDs = append(menuIDs, menu.SysBaseMenuID)
}
var copiedMenus []menuPO
if err := tx.Where("id IN ?", menuIDs).Order("sort").Find(&copiedMenus).Error; err != nil {
return err
}
value.Menus = make([]*system.Menu, 0, len(copiedMenus))
for _, menu := range copiedMenus {
value.Menus = append(value.Menus, menuFromPO(menu))
}
}
apis, err := policyRowsForAuthority(tx, sourceID)
if err != nil {
return err
}
copiedRules := make([]casbinRulePO, 0, len(apis))
seenPolicies := make(map[string]struct{}, len(apis))
for _, api := range apis {
if strict {
allowed, err := r.copyPolicyAllowed(ctx, tx, actor.AuthorityID, api.V1, api.V2)
if err != nil {
return err
}
if !allowed {
return errors.New("存在api不在权限列表中")
}
}
key := api.V1 + "\x00" + api.V2
if _, ok := seenPolicies[key]; ok {
continue
}
seenPolicies[key] = struct{}{}
copiedRules = append(copiedRules, newPolicyRule(value.AuthorityID, api.V1, api.V2))
}
if len(copiedRules) > 0 {
if err := tx.Create(&copiedRules).Error; err != nil {
return err
}
}
var buttons []authorityButtonPO
if err := copyLinks("sys_authority_btns", &buttons, map[string]any{"authority_id": sourceID}); err != nil {
return err
}
if strict && len(buttons) > 0 {
requested := make(map[uint][]uint)
for _, button := range buttons {
requested[button.MenuID] = append(requested[button.MenuID], button.ButtonID)
}
if err := checkButtonAssignment(tx.WithContext(ctx), actor.AuthorityID, allowed[actor.AuthorityID], requested); err != nil {
return err
}
}
for i := range buttons {
buttons[i].AuthorityID = value.AuthorityID
}
if len(buttons) > 0 {
if err := tx.Create(&buttons).Error; err != nil {
return err
}
}
return nil
})
}
// copyPolicyAllowed mirrors the administration API-list and policy validation.
// A policy must refer to a currently registered API. Root roles
// may copy any registered API, while non-root roles may copy only APIs present
// in their own Casbin policy set.
func (r *authorityAccessRepo) copyPolicyAllowed(ctx context.Context, tx *gorm.DB, actorID uint, path, method string) (bool, error) {
var actor authorityPO
if err := tx.WithContext(ctx).Where("authority_id = ?", actorID).First(&actor).Error; err != nil {
return false, err
}
var apiCount int64
if err := tx.WithContext(ctx).Model(&apiPO{}).Where("path = ? AND method = ?", path, method).Count(&apiCount).Error; err != nil {
return false, err
}
if apiCount == 0 {
return false, nil
}
if actor.ParentID == nil || *actor.ParentID == 0 {
return true, nil
}
return policyExists(tx.WithContext(ctx), actorID, path, method)
}
func (r *authorityAccessRepo) UpdateAuthority(ctx context.Context, value *system.Authority) error {
if err := r.checkAuthorityIDAuth(ctx, value.AuthorityID); err != nil {
return err
}
if value.DataScope < 0 || value.DataScope > 5 {
return errInvalidDataScope
}
if value.DataScope != 0 {
var departmentIDs []uint
if value.DataScope == 5 {
var err error
departmentIDs, err = r.DataScopeDepartmentIDs(ctx, value.AuthorityID)
if err != nil {
return err
}
}
if err := r.checkDataScopeGrant(ctx, value.DataScope, departmentIDs); err != nil {
return err
}
}
actor, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil {
return err
}
if strict {
value.ParentID, err = managedAuthorityParent(actor, allowed, value.AuthorityID, value.ParentID, false)
if err != nil {
return err
}
}
if err = r.ensureAuthorityParentAcyclic(ctx, value.AuthorityID, value.ParentID); err != nil {
return err
}
db := r.data.DB().WithContext(ctx)
var current authorityPO
if err := db.Where("authority_id = ?", value.AuthorityID).First(&current).Error; err != nil {
return errors.New("查询角色数据失败")
}
updates := &authorityPO{AuthorityName: value.AuthorityName, ParentID: value.ParentID, DataScope: value.DataScope, DefaultRouter: value.DefaultRouter}
return db.Model(&current).Updates(updates).Error
}
func (r *authorityAccessRepo) DeleteAuthority(ctx context.Context, id uint) error {
if err := r.checkAuthorityIDAuth(ctx, id); err != nil {
return err
}
return r.data.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
var authority authorityPO
if err := tx.Where("authority_id = ?", id).First(&authority).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return errors.New("该角色不存在")
}
return err
}
var users, children int64
// Associated-user checks only block on users that still
// exist (and are not soft-deleted). Counting raw join rows would make an
// orphaned association impossible to clean up, which is observably
// different from the administration contract.
var linkedUserIDs []uint
if err := tx.Model(&userAuthorityPO{}).Where("sys_authority_authority_id = ?", id).Pluck("sys_user_id", &linkedUserIDs).Error; err != nil {
return err
}
if len(linkedUserIDs) > 0 {
if err := tx.Model(&userPO{}).Where("id IN ?", linkedUserIDs).Count(&users).Error; err != nil {
return err
}
if users > 0 {
return errors.New("此角色有用户正在使用禁止删除")
}
}
if err := tx.Model(&userPO{}).Where("authority_id = ?", id).Count(&users).Error; err != nil {
return err
}
if users > 0 {
return errors.New("此角色有用户正在使用禁止删除")
}
if err := tx.Model(&authorityPO{}).Where("parent_id = ?", id).Count(&children).Error; err != nil {
return err
}
if children > 0 {
return errors.New("此角色存在子角色不允许删除")
}
if err := tx.Where("sys_authority_authority_id = ?", id).Delete(&userAuthorityPO{}).Error; err != nil {
return err
}
if err := tx.Where("sys_authority_authority_id = ?", id).Delete(&authorityMenuPO{}).Error; err != nil {
return err
}
if err := deletePoliciesForAuthority(tx, id); err != nil {
return err
}
if err := tx.Where("authority_id = ?", id).Delete(&authorityAPIPO{}).Error; err != nil {
return err
}
if err := tx.Where("authority_id = ?", id).Delete(&authorityButtonPO{}).Error; err != nil {
return err
}
// The compatible delete removes the role row permanently with Unscoped().Delete,
// so reusing an authority ID after deletion behaves the same way.
return tx.Unscoped().Delete(&authorityPO{}, "authority_id = ?", id).Error
})
}
func (r *authorityAccessRepo) ListAuthorities(ctx context.Context) ([]*system.Authority, error) {
db := r.data.DB().WithContext(ctx)
var allowed map[uint]bool
config := r.data.Runtime().Admin()
if actor, ok := system.ActorFromContext(ctx); ok {
// The current authority is loaded even when strict mode is disabled;
// an invalid token authority therefore fails the list request instead of
// exposing the complete role tree.
var current authorityPO
if err := db.Where("authority_id = ?", actor.AuthorityID).First(&current).Error; err != nil {
return nil, err
}
if config != nil && config.System != nil && config.System.UseStrictAuth {
var err error
allowed, err = r.strictAuthorityIDs(ctx, actor.AuthorityID)
if err != nil {
return nil, err
}
}
}
var pos []authorityPO
if err := db.Find(&pos).Error; err != nil {
return nil, err
}
out := make([]*system.Authority, 0, len(pos))
for _, po := range pos {
if allowed != nil && !allowed[po.AuthorityID] {
continue
}
v := toBizAuthority(po)
out = append(out, &v)
}
return out, nil
}
func (r *authorityAccessRepo) SetAuthorityUsers(ctx context.Context, id uint, ids []uint) error {
_, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil {
return err
}
if strict && !allowed[id] {
return errors.New("您提交的角色ID不合法")
}
return r.data.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
var oldIDs []uint
if err := tx.Model(&userAuthorityPO{}).Where("sys_authority_authority_id = ?", id).Pluck("sys_user_id", &oldIDs).Error; err != nil {
return err
}
if strict {
if err := checkManagedUserIDs(tx, ids, allowed, true); err != nil {
return err
}
if err := checkManagedUserIDs(tx, oldIDs, allowed, false); err != nil {
return err
}
}
if err := tx.Where("sys_authority_authority_id = ?", id).Delete(&userAuthorityPO{}).Error; err != nil {
return err
}
selected := map[uint]bool{}
for _, uid := range ids {
selected[uid] = true
}
for _, uid := range oldIDs {
if selected[uid] {
continue
}
var user userPO
if err := tx.First(&user, uid).Error; err == nil && user.AuthorityID == id {
var another userAuthorityPO
if err = tx.Where("sys_user_id = ?", uid).First(&another).Error; err != nil {
// Missing users and association lookup errors are ignored
// while choosing a replacement role.
continue
}
if err = tx.Model(&user).Update("authority_id", another.SysAuthorityAuthorityID).Error; err != nil {
return err
}
}
}
links := make([]userAuthorityPO, 0, len(ids))
for _, uid := range ids {
links = append(links, userAuthorityPO{SysUserID: uid, SysAuthorityAuthorityID: id})
}
if len(links) > 0 {
if err := tx.Create(&links).Error; err != nil {
return err
}
}
return nil
})
}
func checkManagedUserIDs(tx *gorm.DB, ids []uint, allowedAuthorities map[uint]bool, requireAll bool) error {
unique := make(map[uint]struct{}, len(ids))
for _, id := range ids {
if id == 0 {
if requireAll {
return errors.New("您提交的用户ID不合法")
}
continue
}
unique[id] = struct{}{}
}
if len(unique) == 0 {
return nil
}
userIDs := make([]uint, 0, len(unique))
for id := range unique {
userIDs = append(userIDs, id)
}
var users []userPO
if err := tx.Select("id", "authority_id").Where("id IN ?", userIDs).Find(&users).Error; err != nil {
return err
}
if requireAll && len(users) != len(unique) {
return errors.New("您提交的用户ID不合法")
}
managedUsers := make(map[uint]bool, len(users))
for _, user := range users {
if !allowedAuthorities[user.AuthorityID] {
return errors.New("您提交的用户ID不合法")
}
managedUsers[user.ID] = true
}
if len(managedUsers) == 0 {
return nil
}
var links []userAuthorityPO
if err := tx.Where("sys_user_id IN ?", userIDs).Find(&links).Error; err != nil {
return err
}
for _, link := range links {
if managedUsers[link.SysUserID] && !allowedAuthorities[link.SysAuthorityAuthorityID] {
return errors.New("您提交的用户ID不合法")
}
}
return nil
}
func (r *authorityAccessRepo) checkUserIDAuth(ctx context.Context, id uint, allowSelf bool) error {
actor, allowed, strict, err := r.strictAuthorityAccess(ctx)
if err != nil || !strict {
return err
}
if allowSelf && actor.UserID != 0 && actor.UserID == id {
return nil
}
return checkManagedUserIDs(r.data.DB().WithContext(ctx), []uint{id}, allowed, true)
}
func (r *authorityAccessRepo) checkDepartmentIDsAuth(ctx context.Context, ids []uint) error {
actor, allowedAuthorities, strict, err := r.strictAuthorityAccess(ctx)
if err != nil || !strict || len(ids) == 0 {
return err
}
if allowedAuthorities[actor.AuthorityID] {
return nil
}
var authority authorityPO
if err := r.data.DB().WithContext(ctx).Select("authority_id", "data_scope").Where("authority_id = ?", actor.AuthorityID).First(&authority).Error; err != nil {
return err
}
if authority.DataScope == 1 {
return nil
}
scope, err := r.ResolveDataScope(ctx, actor.AuthorityID, actor.UserID)
if err != nil {
return err
}
visible := make(map[uint]bool, len(scope.DepartmentIDs))
for _, id := range scope.DepartmentIDs {
visible[id] = true
}
for _, id := range ids {
if id == 0 || !visible[id] {
return errors.New("您提交的部门ID不合法")
}
}
return nil
}
func (r *authorityAccessRepo) AuthorityUserIDs(ctx context.Context, id uint) ([]uint, error) {
var ids []uint
err := r.data.DB().WithContext(ctx).Model(&userAuthorityPO{}).Where("sys_authority_authority_id = ?", id).Pluck("sys_user_id", &ids).Error
return ids, err
}
func (r *authorityAccessRepo) SetDataScope(ctx context.Context, id uint, scope int, deptIDs []uint) error {
if err := r.checkAuthorityIDAuth(ctx, id); err != nil {
return err
}
if scope < 1 || scope > 5 {
return errInvalidDataScope
}
if err := r.checkDataScopeGrant(ctx, scope, deptIDs); err != nil {
return err
}
return r.data.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
if err := tx.Model(&authorityPO{}).Where("authority_id = ?", id).Update("data_scope", scope).Error; err != nil {
return err
}
if err := tx.Where("sys_authority_authority_id = ?", id).Delete(&authorityDepartmentPO{}).Error; err != nil {
return err
}
if scope == 5 {
links := make([]authorityDepartmentPO, 0, len(deptIDs))
for _, did := range deptIDs {
links = append(links, authorityDepartmentPO{AuthorityID: id, DepartmentID: did})
}
if len(links) > 0 {
return tx.Create(&links).Error
}
}
return nil
})
}
func (r *authorityAccessRepo) checkDataScopeGrant(ctx context.Context, requestedScope int, departmentIDs []uint) error {
actor, allowedAuthorities, strict, err := r.strictAuthorityAccess(ctx)
if err != nil || !strict {
return err
}
requestedDepartments := make(map[uint]struct{}, len(departmentIDs))
if requestedScope == 5 {
for _, departmentID := range departmentIDs {
if departmentID == 0 {
return errors.New("您提交的部门ID不合法")
}
requestedDepartments[departmentID] = struct{}{}
}
if len(requestedDepartments) > 0 {
var count int64
if err := r.data.DB().WithContext(ctx).Model(&departmentPO{}).Where("id IN ?", departmentIDs).Count(&count).Error; err != nil {
return err
}
if count != int64(len(requestedDepartments)) {
return errors.New("您提交的部门ID不合法")
}
}
}
if allowedAuthorities[actor.AuthorityID] {
return nil
}
var actorAuthority authorityPO
if err := r.data.DB().WithContext(ctx).Select("authority_id", "data_scope").Where("authority_id = ?", actor.AuthorityID).First(&actorAuthority).Error; err != nil {
return err
}
grantable := false
switch actorAuthority.DataScope {
case 1:
grantable = true
case 2:
grantable = requestedScope == 2 || requestedScope == 3 || requestedScope == 4 || requestedScope == 5
case 3:
grantable = requestedScope == 3 || requestedScope == 4 || requestedScope == 5
case 4:
grantable = requestedScope == 4
case 5:
grantable = requestedScope == 4 || requestedScope == 5
default:
return errInvalidDataScope
}
if !grantable {
return errInvalidDataScope
}
if requestedScope != 5 || len(requestedDepartments) == 0 || actorAuthority.DataScope == 1 {
return nil
}
actorScope, err := r.ResolveDataScope(ctx, actor.AuthorityID, actor.UserID)
if err != nil {
return err
}
allowedDepartments := make(map[uint]bool, len(actorScope.DepartmentIDs))
for _, departmentID := range actorScope.DepartmentIDs {
allowedDepartments[departmentID] = true
}
for departmentID := range requestedDepartments {
if !allowedDepartments[departmentID] {
return errors.New("您提交的部门ID不合法")
}
}
return nil
}
func (r *authorityAccessRepo) DataScopeDepartmentIDs(ctx context.Context, id uint) ([]uint, error) {
var ids []uint
err := r.data.DB().WithContext(ctx).Model(&authorityDepartmentPO{}).Where("sys_authority_authority_id = ?", id).Pluck("sys_department_id", &ids).Error
return ids, err
}
func (r *authorityAccessRepo) ResolveDataScope(ctx context.Context, authorityID, userID uint) (system.DataScope, error) {
identity := system.DataScope{UserID: userID, AuthorityID: authorityID}
var user userPO
if err := r.data.DB().WithContext(ctx).Select("id", "dept_id").First(&user, userID).Error; err != nil {
return identity, err
}
identity.PrimaryDeptID = user.DeptID
var authority authorityPO
if err := r.data.DB().WithContext(ctx).Select("authority_id", "data_scope").First(&authority, "authority_id = ?", authorityID).Error; err != nil {
return identity, err
}
identity.Scope = authority.DataScope
if identity.Scope < 1 || identity.Scope > 5 {
return identity, errInvalidDataScope
}
identity.All = identity.Scope == 1
if identity.Scope == 4 {
identity.OwnerUserID = userID
}
var ids []uint
selected := make(map[uint]bool)
if identity.Scope == 2 || identity.Scope == 3 {
if err := r.data.DB().WithContext(ctx).Model(&userDepartmentPO{}).Where("sys_user_id = ?", userID).Pluck("sys_department_id", &ids).Error; err != nil {
return identity, err
}
selected = make(map[uint]bool, len(ids)+1)
for _, id := range ids {
selected[id] = true
}
if user.DeptID != 0 {
selected[user.DeptID] = true
}
ids = ids[:0]
for id := range selected {
ids = append(ids, id)
}
}
if identity.Scope == 2 && len(ids) > 0 {
// Match the administration subtree-union semantics: derive the visible set from
// parent_id edges at read time, rather than trusting the denormalized
// ancestors string (which may be stale after a department move).
var departments []departmentPO
if err := r.data.DB().WithContext(ctx).Select("id", "parent_id").Find(&departments).Error; err != nil {
return identity, err
}
children := make(map[uint][]uint, len(departments))
for _, department := range departments {
children[department.ParentID] = append(children[department.ParentID], department.ID)
}
queue := make([]uint, 0, len(selected))
for id := range selected {
queue = append(queue, id)
}
visited := make(map[uint]struct{}, len(selected))
for len(queue) > 0 {
current := queue[0]
queue = queue[1:]
if _, ok := visited[current]; ok {
continue
}
visited[current] = struct{}{}
for _, child := range children[current] {
if _, ok := visited[child]; !ok {
queue = append(queue, child)
}
}
}
ids = ids[:0]
for id := range visited {
ids = append(ids, id)
}
} else if identity.Scope == 5 {
var err error
ids, err = r.DataScopeDepartmentIDs(ctx, authorityID)
if err != nil {
return identity, err
}
}
identity.DepartmentIDs = ids
return identity, nil
}