126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package fileadapter
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import (
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"bufio"
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"errors"
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"io"
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"os"
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"strings"
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"github.com/casbin/casbin/v3/model"
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"github.com/casbin/casbin/v3/persist"
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)
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// AdapterMock is the file adapter for Casbin.
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// It can load policy from file or save policy to file.
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type AdapterMock struct {
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filePath string
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errorValue string
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}
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// NewAdapterMock is the constructor for AdapterMock.
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func NewAdapterMock(filePath string) *AdapterMock {
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a := AdapterMock{}
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a.filePath = filePath
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return &a
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}
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// LoadPolicy loads all policy rules from the storage.
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func (a *AdapterMock) LoadPolicy(model model.Model) error {
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err := a.loadPolicyFile(model, persist.LoadPolicyLine)
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return err
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}
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// SavePolicy saves all policy rules to the storage.
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func (a *AdapterMock) SavePolicy(model model.Model) error {
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return nil
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}
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func (a *AdapterMock) loadPolicyFile(model model.Model, handler func(string, model.Model) error) error {
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f, err := os.Open(a.filePath)
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if err != nil {
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return err
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}
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defer f.Close()
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buf := bufio.NewReader(f)
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for {
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line, err := buf.ReadString('\n')
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line = strings.TrimSpace(line)
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if err2 := handler(line, model); err2 != nil {
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return err2
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}
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if err != nil {
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if err == io.EOF {
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return nil
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}
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return err
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}
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}
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}
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// SetMockErr sets string to be returned by of the mock during testing.
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func (a *AdapterMock) SetMockErr(errorToSet string) {
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a.errorValue = errorToSet
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}
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// GetMockErr returns a mock error or nil.
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func (a *AdapterMock) GetMockErr() error {
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var returnError error
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if a.errorValue != "" {
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returnError = errors.New(a.errorValue)
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}
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return returnError
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}
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// AddPolicy adds a policy rule to the storage.
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func (a *AdapterMock) AddPolicy(sec string, ptype string, rule []string) error {
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return a.GetMockErr()
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}
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// AddPolicies removes policy rules from the storage.
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func (a *AdapterMock) AddPolicies(sec string, ptype string, rules [][]string) error {
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return a.GetMockErr()
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}
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// RemovePolicy removes a policy rule from the storage.
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func (a *AdapterMock) RemovePolicy(sec string, ptype string, rule []string) error {
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return a.GetMockErr()
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}
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// RemovePolicies removes policy rules from the storage.
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func (a *AdapterMock) RemovePolicies(sec string, ptype string, rules [][]string) error {
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return a.GetMockErr()
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}
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// UpdatePolicy removes a policy rule from the storage.
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func (a *AdapterMock) UpdatePolicy(sec string, ptype string, oldRule, newPolicy []string) error {
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return a.GetMockErr()
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}
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func (a *AdapterMock) UpdatePolicies(sec string, ptype string, oldRules, newRules [][]string) error {
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return a.GetMockErr()
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}
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// RemoveFilteredPolicy removes policy rules that match the filter from the storage.
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func (a *AdapterMock) RemoveFilteredPolicy(sec string, ptype string, fieldIndex int, fieldValues ...string) error {
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return a.GetMockErr()
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}
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