-
Notifications
You must be signed in to change notification settings - Fork 339
/
password_check.go
95 lines (74 loc) · 2.26 KB
/
password_check.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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
package auth
/*
* 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.
*/
import (
"bufio"
"errors"
"fmt"
"os"
"strings"
"github.com/apache/trafficcontrol/lib/go-log"
)
// A lookup table, bool will always be true
var commonPasswords map[string]bool
// Expects a relative path from the traffic_ops directory
func LoadPasswordBlacklist(filePath string) error {
if commonPasswords != nil {
return errors.New("Password blacklist is already loaded")
}
commonPasswords = make(map[string]bool)
pwd, err := os.Getwd()
if err != nil {
return err
}
filePath = fmt.Sprintf("%straffic_ops/%s", pwd[:strings.Index(pwd, "traffic_ops")], filePath)
log.Infof("full path to password blacklist: %s\n", filePath)
in, err := os.Open(filePath)
if err != nil {
return err
}
scanner := bufio.NewScanner(in)
for scanner.Scan() {
commonPasswords[scanner.Text()] = true
}
in.Close()
return scanner.Err()
}
func IsCommonPassword(pw string) bool {
_, yes := commonPasswords[pw]
return yes
}
func IsGoodLoginPair(username string, password string) (bool, error) {
if username == "" {
return false, errors.New("Your username cannot be blank.")
}
if username == password {
return false, errors.New("Your password cannot be your username.")
}
return IsGoodPassword(password)
}
func IsGoodPassword(password string) (bool, error) {
if len(password) < 8 {
return false, errors.New("Password must be greater than 7 characters.")
}
if IsCommonPassword(password) {
return false, errors.New("Password is too common.")
}
return true, nil
}