forked from ory/oathkeeper
/
matcher_cached.go
60 lines (51 loc) · 1.49 KB
/
matcher_cached.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/*
* Copyright © 2017-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2017-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package rule
import (
"net/url"
"github.com/ory/oathkeeper/helper"
"github.com/pkg/errors"
)
type CachedMatcher struct {
Rules []Rule
Manager Manager
}
func (m *CachedMatcher) MatchRule(method string, u *url.URL) (*Rule, error) {
var rules []Rule
for _, rule := range m.Rules {
if err := rule.IsMatching(method, u); err == nil {
rules = append(rules, rule)
}
}
if len(rules) == 0 {
return nil, errors.WithStack(helper.ErrMatchesNoRule)
} else if len(rules) != 1 {
return nil, errors.WithStack(helper.ErrMatchesMoreThanOneRule)
}
return &rules[0], nil
}
func (m *CachedMatcher) Refresh() error {
rules, err := m.Manager.ListRules()
if err != nil {
return errors.WithStack(err)
}
m.Rules = rules
return nil
}