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Copy pathenforcer_context.go
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877 lines (726 loc) · 29.8 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 casbin
import (
"context"
"errors"
"fmt"
Err "github.com/casbin/casbin/v3/errors"
"github.com/casbin/casbin/v3/model"
"github.com/casbin/casbin/v3/persist"
)
// ContextEnforcer wraps Enforcer and provides context-aware operations.
type ContextEnforcer struct {
*Enforcer
adapterCtx persist.ContextAdapter
}
// NewContextEnforcer creates a context-aware enforcer via file or DB.
func NewContextEnforcer(params ...interface{}) (IEnforcerContext, error) {
e := &ContextEnforcer{}
var err error
e.Enforcer, err = NewEnforcer(params...)
if err != nil {
return nil, err
}
if e.adapter != nil {
if contextAdapter, ok := e.adapter.(persist.ContextAdapter); ok {
e.adapterCtx = contextAdapter
} else {
return nil, errors.New("adapter does not support context operations, ContextAdapter interface not implemented")
}
} else {
return nil, errors.New("no adapter provided, ContextEnforcer requires a ContextAdapter")
}
return e, nil
}
// LoadPolicyCtx loads all policy rules from the storage with context.
func (e *ContextEnforcer) LoadPolicyCtx(ctx context.Context) error {
newModel, err := e.loadPolicyFromAdapterCtx(ctx, e.model)
if err != nil {
return err
}
err = e.applyModifiedModel(newModel)
if err != nil {
return err
}
return nil
}
func (e *ContextEnforcer) loadPolicyFromAdapterCtx(ctx context.Context, baseModel model.Model) (model.Model, error) {
newModel := baseModel.Copy()
newModel.ClearPolicy()
if err := e.adapterCtx.LoadPolicyCtx(ctx, newModel); err != nil && err.Error() != "invalid file path, file path cannot be empty" {
return nil, err
}
if err := newModel.SortPoliciesBySubjectHierarchy(); err != nil {
return nil, err
}
if err := newModel.SortPoliciesByPriority(); err != nil {
return nil, err
}
return newModel, nil
}
// LoadFilteredPolicyCtx loads all policy rules from the storage with context and filter.
func (e *Enforcer) LoadFilteredPolicyCtx(ctx context.Context, filter interface{}) error {
e.model.ClearPolicy()
return e.loadFilteredPolicyCtx(ctx, filter)
}
// LoadIncrementalFilteredPolicyCtx append a filtered policy from file/database with context.
func (e *Enforcer) LoadIncrementalFilteredPolicyCtx(ctx context.Context, filter interface{}) error {
return e.loadFilteredPolicyCtx(ctx, filter)
}
func (e *Enforcer) loadFilteredPolicyCtx(ctx context.Context, filter interface{}) error {
e.invalidateMatcherMap()
var filteredAdapter persist.ContextFilteredAdapter
// Attempt to cast the Adapter as a FilteredAdapter
switch adapter := e.adapter.(type) {
case persist.ContextFilteredAdapter:
filteredAdapter = adapter
default:
return errors.New("filtered policies are not supported by this adapter")
}
if err := filteredAdapter.LoadFilteredPolicyCtx(ctx, e.model, filter); err != nil && err.Error() != "invalid file path, file path cannot be empty" {
return err
}
if err := e.model.SortPoliciesBySubjectHierarchy(); err != nil {
return err
}
if err := e.model.SortPoliciesByPriority(); err != nil {
return err
}
e.initRmMap()
e.model.PrintPolicy()
if e.autoBuildRoleLinks {
err := e.BuildRoleLinks()
if err != nil {
return err
}
}
return nil
}
// IsFilteredCtx returns true if the loaded policy has been filtered with context.
func (e *ContextEnforcer) IsFilteredCtx(ctx context.Context) bool {
if adapter, ok := e.adapter.(persist.ContextFilteredAdapter); ok {
return adapter.IsFilteredCtx(ctx)
} else {
return false
}
}
func (e *ContextEnforcer) SavePolicyCtx(ctx context.Context) error {
if e.IsFiltered() {
return errors.New("cannot save a filtered policy")
}
if err := e.adapterCtx.SavePolicyCtx(ctx, e.model); err != nil {
return err
}
if e.watcher != nil {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForSavePolicy(e.model)
} else {
err = e.watcher.Update()
}
return err
}
return nil
}
// AddPolicyCtx adds a policy rule to the storage with context.
func (e *ContextEnforcer) AddPolicyCtx(ctx context.Context, params ...interface{}) (bool, error) {
return e.AddNamedPolicyCtx(ctx, "p", params...)
}
// AddPoliciesCtx adds policy rules to the storage with context.
func (e *ContextEnforcer) AddPoliciesCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.AddNamedPoliciesCtx(ctx, "p", rules)
}
// AddNamedPolicyCtx adds a named policy rule to the storage with context.
func (e *ContextEnforcer) AddNamedPolicyCtx(ctx context.Context, ptype string, params ...interface{}) (bool, error) {
if strSlice, ok := params[0].([]string); len(params) == 1 && ok {
strSlice = append(make([]string, 0, len(strSlice)), strSlice...)
return e.addPolicyCtx(ctx, "p", ptype, strSlice)
}
policy := make([]string, 0)
for _, param := range params {
policy = append(policy, param.(string))
}
return e.addPolicyCtx(ctx, "p", ptype, policy)
}
// AddNamedPoliciesCtx adds named policy rules to the storage with context.
func (e *ContextEnforcer) AddNamedPoliciesCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesCtx(ctx, "p", ptype, rules, false)
}
func (e *ContextEnforcer) AddPoliciesExCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.AddNamedPoliciesExCtx(ctx, "p", rules)
}
func (e *ContextEnforcer) AddNamedPoliciesExCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesCtx(ctx, "p", ptype, rules, true)
}
// RemovePolicyCtx removes a policy rule from the storage with context.
func (e *ContextEnforcer) RemovePolicyCtx(ctx context.Context, params ...interface{}) (bool, error) {
return e.RemoveNamedPolicyCtx(ctx, "p", params...)
}
// RemoveNamedPolicyCtx removes a named policy rule from the storage with context.
func (e *ContextEnforcer) RemoveNamedPolicyCtx(ctx context.Context, ptype string, params ...interface{}) (bool, error) {
if strSlice, ok := params[0].([]string); len(params) == 1 && ok {
return e.removePolicyCtx(ctx, "p", ptype, strSlice)
}
policy := make([]string, 0)
for _, param := range params {
policy = append(policy, param.(string))
}
return e.removePolicyCtx(ctx, "p", ptype, policy)
}
// RemovePoliciesCtx removes policy rules from the storage with context.
func (e *ContextEnforcer) RemovePoliciesCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.RemoveNamedPoliciesCtx(ctx, "p", rules)
}
// RemoveNamedPoliciesCtx removes named policy rules from the storage with context.
func (e *ContextEnforcer) RemoveNamedPoliciesCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.removePoliciesCtx(ctx, "p", ptype, rules)
}
// RemoveFilteredPolicyCtx removes policy rules that match the filter from the storage with context.
func (e *ContextEnforcer) RemoveFilteredPolicyCtx(ctx context.Context, fieldIndex int, fieldValues ...string) (bool, error) {
return e.RemoveFilteredNamedPolicyCtx(ctx, "p", fieldIndex, fieldValues...)
}
// RemoveFilteredNamedPolicyCtx removes named policy rules that match the filter from the storage with context.
func (e *ContextEnforcer) RemoveFilteredNamedPolicyCtx(ctx context.Context, ptype string, fieldIndex int, fieldValues ...string) (bool, error) {
return e.removeFilteredPolicyCtx(ctx, "p", ptype, fieldIndex, fieldValues)
}
// UpdatePolicyCtx updates a policy rule in the storage with context.
func (e *ContextEnforcer) UpdatePolicyCtx(ctx context.Context, oldPolicy []string, newPolicy []string) (bool, error) {
return e.UpdateNamedPolicyCtx(ctx, "p", oldPolicy, newPolicy)
}
// UpdateNamedPolicyCtx updates a named policy rule in the storage with context.
func (e *ContextEnforcer) UpdateNamedPolicyCtx(ctx context.Context, ptype string, p1 []string, p2 []string) (bool, error) {
return e.updatePolicyCtx(ctx, "p", ptype, p1, p2)
}
// UpdatePoliciesCtx updates policy rules in the storage with context.
func (e *ContextEnforcer) UpdatePoliciesCtx(ctx context.Context, oldPolicies [][]string, newPolicies [][]string) (bool, error) {
return e.UpdateNamedPoliciesCtx(ctx, "p", oldPolicies, newPolicies)
}
// UpdateNamedPoliciesCtx updates named policy rules in the storage with context.
func (e *ContextEnforcer) UpdateNamedPoliciesCtx(ctx context.Context, ptype string, p1 [][]string, p2 [][]string) (bool, error) {
return e.updatePoliciesCtx(ctx, "p", ptype, p1, p2)
}
// UpdateFilteredPoliciesCtx updates policy rules that match the filter in the storage with context.
func (e *ContextEnforcer) UpdateFilteredPoliciesCtx(ctx context.Context, newPolicies [][]string, fieldIndex int, fieldValues ...string) (bool, error) {
return e.UpdateFilteredNamedPoliciesCtx(ctx, "p", newPolicies, fieldIndex, fieldValues...)
}
// UpdateFilteredNamedPoliciesCtx updates named policy rules that match the filter in the storage with context.
func (e *ContextEnforcer) UpdateFilteredNamedPoliciesCtx(ctx context.Context, ptype string, newPolicies [][]string, fieldIndex int, fieldValues ...string) (bool, error) {
return e.updateFilteredPoliciesCtx(ctx, "p", ptype, newPolicies, fieldIndex, fieldValues...)
}
// Grouping Policy Context Methods
// AddGroupingPolicyCtx adds a grouping policy rule to the storage with context.
func (e *ContextEnforcer) AddGroupingPolicyCtx(ctx context.Context, params ...interface{}) (bool, error) {
return e.AddNamedGroupingPolicyCtx(ctx, "g", params...)
}
// AddGroupingPoliciesCtx adds grouping policy rules to the storage with context.
func (e *ContextEnforcer) AddGroupingPoliciesCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.AddNamedGroupingPoliciesCtx(ctx, "g", rules)
}
func (e *ContextEnforcer) AddGroupingPoliciesExCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.AddNamedGroupingPoliciesExCtx(ctx, "g", rules)
}
// AddNamedGroupingPolicyCtx adds a named grouping policy rule to the storage with context.
func (e *ContextEnforcer) AddNamedGroupingPolicyCtx(ctx context.Context, ptype string, params ...interface{}) (bool, error) {
var ruleAdded bool
var err error
if strSlice, ok := params[0].([]string); len(params) == 1 && ok {
ruleAdded, err = e.addPolicyCtx(ctx, "g", ptype, strSlice)
} else {
policy := make([]string, 0)
for _, param := range params {
policy = append(policy, param.(string))
}
ruleAdded, err = e.addPolicyCtx(ctx, "g", ptype, policy)
}
return ruleAdded, err
}
// AddNamedGroupingPoliciesCtx adds named grouping policy rules to the storage with context.
func (e *ContextEnforcer) AddNamedGroupingPoliciesCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesCtx(ctx, "g", ptype, rules, false)
}
func (e *ContextEnforcer) AddNamedGroupingPoliciesExCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesCtx(ctx, "g", ptype, rules, true)
}
// RemoveGroupingPolicyCtx removes a grouping policy rule from the storage with context.
func (e *ContextEnforcer) RemoveGroupingPolicyCtx(ctx context.Context, params ...interface{}) (bool, error) {
return e.RemoveNamedGroupingPolicyCtx(ctx, "g", params...)
}
// RemoveNamedGroupingPolicyCtx removes a named grouping policy rule from the storage with context.
func (e *ContextEnforcer) RemoveNamedGroupingPolicyCtx(ctx context.Context, ptype string, params ...interface{}) (bool, error) {
var ruleRemoved bool
var err error
if strSlice, ok := params[0].([]string); len(params) == 1 && ok {
ruleRemoved, err = e.removePolicyCtx(ctx, "g", ptype, strSlice)
} else {
policy := make([]string, 0)
for _, param := range params {
policy = append(policy, param.(string))
}
ruleRemoved, err = e.removePolicyCtx(ctx, "g", ptype, policy)
}
return ruleRemoved, err
}
// RemoveGroupingPoliciesCtx removes grouping policy rules from the storage with context.
func (e *ContextEnforcer) RemoveGroupingPoliciesCtx(ctx context.Context, rules [][]string) (bool, error) {
return e.RemoveNamedGroupingPoliciesCtx(ctx, "g", rules)
}
// RemoveNamedGroupingPoliciesCtx removes named grouping policy rules from the storage with context.
func (e *ContextEnforcer) RemoveNamedGroupingPoliciesCtx(ctx context.Context, ptype string, rules [][]string) (bool, error) {
return e.removePoliciesCtx(ctx, "g", ptype, rules)
}
// RemoveFilteredGroupingPolicyCtx removes grouping policy rules that match the filter from the storage with context.
func (e *ContextEnforcer) RemoveFilteredGroupingPolicyCtx(ctx context.Context, fieldIndex int, fieldValues ...string) (bool, error) {
return e.RemoveFilteredNamedGroupingPolicyCtx(ctx, "g", fieldIndex, fieldValues...)
}
// RemoveFilteredNamedGroupingPolicyCtx removes named grouping policy rules that match the filter from the storage with context.
func (e *ContextEnforcer) RemoveFilteredNamedGroupingPolicyCtx(ctx context.Context, ptype string, fieldIndex int, fieldValues ...string) (bool, error) {
return e.removeFilteredPolicyCtx(ctx, "g", ptype, fieldIndex, fieldValues)
}
// UpdateGroupingPolicyCtx updates a grouping policy rule in the storage with context.
func (e *ContextEnforcer) UpdateGroupingPolicyCtx(ctx context.Context, oldRule []string, newRule []string) (bool, error) {
return e.UpdateNamedGroupingPolicyCtx(ctx, "g", oldRule, newRule)
}
// UpdateNamedGroupingPolicyCtx updates a named grouping policy rule in the storage with context.
func (e *ContextEnforcer) UpdateNamedGroupingPolicyCtx(ctx context.Context, ptype string, oldRule []string, newRule []string) (bool, error) {
return e.updatePolicyCtx(ctx, "g", ptype, oldRule, newRule)
}
// UpdateGroupingPoliciesCtx updates grouping policy rules in the storage with context.
func (e *ContextEnforcer) UpdateGroupingPoliciesCtx(ctx context.Context, oldRules [][]string, newRules [][]string) (bool, error) {
return e.UpdateNamedGroupingPoliciesCtx(ctx, "g", oldRules, newRules)
}
// UpdateNamedGroupingPoliciesCtx updates named grouping policy rules in the storage with context.
func (e *ContextEnforcer) UpdateNamedGroupingPoliciesCtx(ctx context.Context, ptype string, oldRules [][]string, newRules [][]string) (bool, error) {
return e.updatePoliciesCtx(ctx, "g", ptype, oldRules, newRules)
}
// Self Context Methods (bypass watcher notifications)
// SelfAddPolicyCtx adds a policy rule to the current policy with context.
func (e *ContextEnforcer) SelfAddPolicyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
return e.addPolicyWithoutNotifyCtx(ctx, sec, ptype, rule)
}
// SelfAddPoliciesCtx adds policy rules to the current policy with context.
func (e *ContextEnforcer) SelfAddPoliciesCtx(ctx context.Context, sec string, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesWithoutNotifyCtx(ctx, sec, ptype, rules, false)
}
func (e *ContextEnforcer) SelfAddPoliciesExCtx(ctx context.Context, sec string, ptype string, rules [][]string) (bool, error) {
return e.addPoliciesWithoutNotifyCtx(ctx, sec, ptype, rules, true)
}
// SelfRemovePolicyCtx removes a policy rule from the current policy with context.
func (e *ContextEnforcer) SelfRemovePolicyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
return e.removePolicyWithoutNotifyCtx(ctx, sec, ptype, rule)
}
// SelfRemovePoliciesCtx removes policy rules from the current policy with context.
func (e *ContextEnforcer) SelfRemovePoliciesCtx(ctx context.Context, sec string, ptype string, rules [][]string) (bool, error) {
return e.removePoliciesWithoutNotifyCtx(ctx, sec, ptype, rules)
}
// SelfRemoveFilteredPolicyCtx removes policy rules that match the filter from the current policy with context.
func (e *ContextEnforcer) SelfRemoveFilteredPolicyCtx(ctx context.Context, sec string, ptype string, fieldIndex int, fieldValues ...string) (bool, error) {
return e.removeFilteredPolicyWithoutNotifyCtx(ctx, sec, ptype, fieldIndex, fieldValues)
}
// SelfUpdatePolicyCtx updates a policy rule in the current policy with context.
func (e *ContextEnforcer) SelfUpdatePolicyCtx(ctx context.Context, sec string, ptype string, oldRule, newRule []string) (bool, error) {
return e.updatePolicyWithoutNotifyCtx(ctx, sec, ptype, oldRule, newRule)
}
// SelfUpdatePoliciesCtx updates policy rules in the current policy with context.
func (e *ContextEnforcer) SelfUpdatePoliciesCtx(ctx context.Context, sec string, ptype string, oldRules, newRules [][]string) (bool, error) {
return e.updatePoliciesWithoutNotifyCtx(ctx, sec, ptype, oldRules, newRules)
}
// Internal API methods with context support
// addPolicyWithoutNotifyCtx adds a rule to the current policy with context.
func (e *ContextEnforcer) addPolicyWithoutNotifyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
defer e.bumpPolicyVersion()
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.AddPolicies(sec, ptype, [][]string{rule})
}
hasPolicy, err := e.model.HasPolicy(sec, ptype, rule)
if hasPolicy || err != nil {
return false, err
}
if e.shouldPersist() {
if err = e.adapterCtx.AddPolicyCtx(ctx, sec, ptype, rule); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
err = e.model.AddPolicy(sec, ptype, rule)
if err != nil {
return false, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, [][]string{rule})
if err != nil {
return true, err
}
}
return true, nil
}
// addPoliciesWithoutNotifyCtx adds rules to the current policy with context.
func (e *ContextEnforcer) addPoliciesWithoutNotifyCtx(ctx context.Context, sec string, ptype string, rules [][]string, autoRemoveRepeat bool) (bool, error) {
defer e.bumpPolicyVersion()
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.AddPolicies(sec, ptype, rules)
}
if !autoRemoveRepeat {
hasPolicies, err := e.model.HasPolicies(sec, ptype, rules)
if hasPolicies || err != nil {
return false, err
}
}
if e.shouldPersist() {
if err := e.adapterCtx.(persist.ContextBatchAdapter).AddPoliciesCtx(ctx, sec, ptype, rules); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
err := e.model.AddPolicies(sec, ptype, rules)
if err != nil {
return false, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, rules)
if err != nil {
return true, err
}
err = e.BuildIncrementalConditionalRoleLinks(model.PolicyAdd, ptype, rules)
if err != nil {
return true, err
}
}
return true, nil
}
// removePolicyWithoutNotifyCtx removes a rule from the current policy with context.
func (e *ContextEnforcer) removePolicyWithoutNotifyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
defer e.bumpPolicyVersion()
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.RemovePolicies(sec, ptype, [][]string{rule})
}
if e.shouldPersist() {
if err := e.adapterCtx.RemovePolicyCtx(ctx, sec, ptype, rule); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
ruleRemoved, err := e.model.RemovePolicy(sec, ptype, rule)
if !ruleRemoved || err != nil {
return ruleRemoved, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, [][]string{rule})
if err != nil {
return ruleRemoved, err
}
}
return ruleRemoved, nil
}
// removePoliciesWithoutNotifyCtx removes rules from the current policy with context.
func (e *ContextEnforcer) removePoliciesWithoutNotifyCtx(ctx context.Context, sec string, ptype string, rules [][]string) (bool, error) {
defer e.bumpPolicyVersion()
if hasPolicies, err := e.model.HasPolicies(sec, ptype, rules); !hasPolicies || err != nil {
return hasPolicies, err
}
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.RemovePolicies(sec, ptype, rules)
}
if e.shouldPersist() {
if err := e.adapterCtx.(persist.ContextBatchAdapter).RemovePoliciesCtx(ctx, sec, ptype, rules); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
rulesRemoved, err := e.model.RemovePolicies(sec, ptype, rules)
if !rulesRemoved || err != nil {
return rulesRemoved, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, rules)
if err != nil {
return rulesRemoved, err
}
}
return rulesRemoved, nil
}
// removeFilteredPolicyWithoutNotifyCtx removes policy rules that match the filter from the current policy with context.
func (e *ContextEnforcer) removeFilteredPolicyWithoutNotifyCtx(ctx context.Context, sec string, ptype string, fieldIndex int, fieldValues []string) (bool, error) {
defer e.bumpPolicyVersion()
if len(fieldValues) == 0 {
return false, Err.ErrInvalidFieldValuesParameter
}
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.RemoveFilteredPolicy(sec, ptype, fieldIndex, fieldValues...)
}
if e.shouldPersist() {
if err := e.adapterCtx.RemoveFilteredPolicyCtx(ctx, sec, ptype, fieldIndex, fieldValues...); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
ruleRemoved, effects, err := e.model.RemoveFilteredPolicy(sec, ptype, fieldIndex, fieldValues...)
if !ruleRemoved || err != nil {
return ruleRemoved, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, effects)
if err != nil {
return ruleRemoved, err
}
}
return ruleRemoved, nil
}
// updatePolicyWithoutNotifyCtx updates a policy rule in the current policy with context.
func (e *ContextEnforcer) updatePolicyWithoutNotifyCtx(ctx context.Context, sec string, ptype string, oldRule, newRule []string) (bool, error) {
defer e.bumpPolicyVersion()
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.UpdatePolicy(sec, ptype, oldRule, newRule)
}
if e.shouldPersist() {
if err := e.adapterCtx.(persist.ContextUpdatableAdapter).UpdatePolicyCtx(ctx, sec, ptype, oldRule, newRule); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
ruleUpdated, err := e.model.UpdatePolicy(sec, ptype, oldRule, newRule)
if !ruleUpdated || err != nil {
return ruleUpdated, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, [][]string{oldRule}) // remove the old rule
if err != nil {
return ruleUpdated, err
}
err = e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, [][]string{newRule}) // add the new rule
if err != nil {
return ruleUpdated, err
}
}
return ruleUpdated, nil
}
func (e *ContextEnforcer) updatePoliciesWithoutNotifyCtx(ctx context.Context, sec string, ptype string, oldRules [][]string, newRules [][]string) (bool, error) {
defer e.bumpPolicyVersion()
if len(newRules) != len(oldRules) {
return false, fmt.Errorf("the length of oldRules should be equal to the length of newRules, but got the length of oldRules is %d, the length of newRules is %d", len(oldRules), len(newRules))
}
if e.dispatcher != nil && e.autoNotifyDispatcher {
return true, e.dispatcher.UpdatePolicies(sec, ptype, oldRules, newRules)
}
if e.shouldPersist() {
if err := e.adapterCtx.(persist.ContextUpdatableAdapter).UpdatePoliciesCtx(ctx, sec, ptype, oldRules, newRules); err != nil {
if err.Error() != notImplemented {
return false, err
}
}
}
ruleUpdated, err := e.model.UpdatePolicies(sec, ptype, oldRules, newRules)
if !ruleUpdated || err != nil {
return ruleUpdated, err
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, oldRules) // remove the old rules
if err != nil {
return ruleUpdated, err
}
err = e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, newRules) // add the new rules
if err != nil {
return ruleUpdated, err
}
}
return ruleUpdated, nil
}
func (e *ContextEnforcer) addPolicyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
ok, err := e.addPolicyWithoutNotifyCtx(ctx, sec, ptype, rule)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForAddPolicy(sec, ptype, rule...)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) addPoliciesCtx(ctx context.Context, sec string, ptype string, rules [][]string, autoRemoveRepeat bool) (bool, error) {
ok, err := e.addPoliciesWithoutNotifyCtx(ctx, sec, ptype, rules, autoRemoveRepeat)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForAddPolicies(sec, ptype, rules...)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) updatePolicyCtx(ctx context.Context, sec string, ptype string, oldRule []string, newRule []string) (bool, error) {
ok, err := e.updatePolicyWithoutNotifyCtx(ctx, sec, ptype, oldRule, newRule)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.UpdatableWatcher); ok {
err = watcher.UpdateForUpdatePolicy(sec, ptype, oldRule, newRule)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) updatePoliciesCtx(ctx context.Context, sec string, ptype string, oldRules [][]string, newRules [][]string) (bool, error) {
ok, err := e.updatePoliciesWithoutNotifyCtx(ctx, sec, ptype, oldRules, newRules)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.UpdatableWatcher); ok {
err = watcher.UpdateForUpdatePolicies(sec, ptype, oldRules, newRules)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) removePolicyCtx(ctx context.Context, sec string, ptype string, rule []string) (bool, error) {
ok, err := e.removePolicyWithoutNotifyCtx(ctx, sec, ptype, rule)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForRemovePolicy(sec, ptype, rule...)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) removePoliciesCtx(ctx context.Context, sec string, ptype string, rules [][]string) (bool, error) {
ok, err := e.removePoliciesWithoutNotifyCtx(ctx, sec, ptype, rules)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForRemovePolicies(sec, ptype, rules...)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
// removeFilteredPolicy removes rules based on field filters from the current policy.
func (e *ContextEnforcer) removeFilteredPolicyCtx(ctx context.Context, sec string, ptype string, fieldIndex int, fieldValues []string) (bool, error) {
ok, err := e.removeFilteredPolicyWithoutNotifyCtx(ctx, sec, ptype, fieldIndex, fieldValues)
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.WatcherEx); ok {
err = watcher.UpdateForRemoveFilteredPolicy(sec, ptype, fieldIndex, fieldValues...)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) updateFilteredPoliciesCtx(ctx context.Context, sec string, ptype string, newRules [][]string, fieldIndex int, fieldValues ...string) (bool, error) {
oldRules, err := e.updateFilteredPoliciesWithoutNotifyCtx(ctx, sec, ptype, newRules, fieldIndex, fieldValues...)
ok := len(oldRules) != 0
if !ok || err != nil {
return ok, err
}
if e.shouldNotify() {
var err error
if watcher, ok := e.watcher.(persist.UpdatableWatcher); ok {
err = watcher.UpdateForUpdatePolicies(sec, ptype, oldRules, newRules)
} else {
err = e.watcher.Update()
}
return true, err
}
return true, nil
}
func (e *ContextEnforcer) updateFilteredPoliciesWithoutNotifyCtx(ctx context.Context, sec string, ptype string, newRules [][]string, fieldIndex int, fieldValues ...string) ([][]string, error) {
defer e.bumpPolicyVersion()
var (
oldRules [][]string
err error
)
if _, err = e.model.GetAssertion(sec, ptype); err != nil {
return oldRules, err
}
if e.shouldPersist() {
if oldRules, err = e.adapter.(persist.ContextUpdatableAdapter).UpdateFilteredPoliciesCtx(ctx, sec, ptype, newRules, fieldIndex, fieldValues...); err != nil {
if err.Error() != notImplemented {
return nil, err
}
}
// For compatibility, because some adapters return oldRules containing ptype, see https://github.com/casbin/xorm-adapter/issues/49
for i, oldRule := range oldRules {
if len(oldRules[i]) == len(e.model[sec][ptype].Tokens)+1 {
oldRules[i] = oldRule[1:]
}
}
}
if e.dispatcher != nil && e.autoNotifyDispatcher {
return oldRules, e.dispatcher.UpdateFilteredPolicies(sec, ptype, oldRules, newRules)
}
ruleChanged, err := e.model.RemovePolicies(sec, ptype, oldRules)
if err != nil {
return oldRules, err
}
err = e.model.AddPolicies(sec, ptype, newRules)
if err != nil {
return oldRules, err
}
ruleChanged = ruleChanged && len(newRules) != 0
if !ruleChanged {
return make([][]string, 0), nil
}
if sec == "g" {
err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, oldRules) // remove the old rules
if err != nil {
return oldRules, err
}
err = e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, newRules) // add the new rules
if err != nil {
return oldRules, err
}
}
return oldRules, nil
}