超级变态的前端密码强度校验

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
96
97
98
99
100
101
102
103
function checkpwd(newpassword, flag) {
//将密码转为大写
var password = newpassword.toUpperCase();
// 数字,特殊字符,大小写字母的匹配
var boolean_num = false;
var boolean_A = false;
var boolean_a = false;
var boolean_specialchar = false;
for (var i = 0; i < newpassword.length; i++) {
if (boolean_A == true && boolean_a == true && boolean_num == true
&& boolean_specialchar == true)
break;
if (newpassword[i].charCodeAt() >= 65
&& newpassword[i].charCodeAt() <= 90) {
boolean_A = true;
continue;
}
if (newpassword[i].charCodeAt() >= 48
&& newpassword[i].charCodeAt() <= 57) {
boolean_num = true;
continue;
}
if (newpassword[i].charCodeAt() >= 97
&& newpassword[i].charCodeAt() < 122) {
boolean_a = true;
continue;
}
if ((newpassword[i].charCodeAt() >= 33 && newpassword[i].charCodeAt() <= 47)
|| (newpassword[i].charCodeAt() >= 58 && newpassword[i]
.charCodeAt() <= 64)
|| (newpassword[i].charCodeAt() >= 91
&& newpassword[i].charCodeAt() && newpassword[i]
.charCodeAt() <= 96)
|| (newpassword[i].charCodeAt() >= 123 && newpassword[i]
.charCodeAt() <= 127)) {
boolean_specialchar = true;
continue;
}
}
if (boolean_A == false || boolean_a == false || boolean_num == false
|| boolean_specialchar == false) {
if (flag == 0)
alert("密码应该是数字、大小写字母、特殊字符的组合,请重新输入");
if (flag == 1)
alert("确认密码应该是数字、大小写字母、特殊字符的组合,请重新输入");
return false;
}
// admin,root,password的匹配
if (password.indexOf("ADMIN") >= 0 || newpassword.indexOf("ROOT") >= 0
|| password.indexOf("PASSWORD") >= 0) {
if (flag == 0)
alert("密码中不能包含admin、root、password（不区分大小写）");
if (flag == 1)
alert("确认密码中不能包含admin、root、password（不区分大小写）");
return false;
}
// 键盘三个连续字符(包括三个连续数字)的匹配(横向、大小写、shift)
var s_1_1 = "`1234567890-=";
var s_1_2 = "qwertyuiop[]\";
var s_1_3 = "asdfghjkl;'";
var s_1_4 = "zxcvbnm,./";
var s_2_1 = "`1234567890-=";
var s_2_2 = "QWERTYUIOP[]\";
var s_2_3 = "ASDFGHJKL;'";
var s_2_4 = "ZXCVBNM,./";
var s_3_1 = "~!@#$%^&*()_+";
var s_3_2 = "QWERTYUIOP{}|";
var s_3_3 = "ASDFGHJKL:"";
var s_3_4 = "ZXCVBNM<>?";
var boolean = true;
var boolean_nums = false;
for (var n = 0; n < (newpassword.length - 2); n++) {
var char = newpassword[n] + newpassword[n + 1] + newpassword[n + 2];
if (char >= 0 && char <= 999) {
boolean_nums = true;
break;
}
if ((s_1_1.indexOf(char) >= 0) || (s_1_2.indexOf(char) >= 0)
|| (s_1_3.indexOf(char) >= 0) || (s_1_4.indexOf(char) >= 0)
|| (s_2_1.indexOf(char) >= 0) || (s_2_2.indexOf(char) >= 0)
|| (s_2_3.indexOf(char) >= 0) || (s_2_4.indexOf(char) >= 0)
|| (s_3_1.indexOf(char) >= 0) || (s_3_2.indexOf(char) >= 0)
|| (s_3_3.indexOf(char) >= 0) || (s_3_4.indexOf(char) >= 0)) {
boolean = false;
break;
}
}
if (boolean_nums == true) {
if (flag == 0)
alert("密码中连续数字不能超过三个");
if (flag == 1)
alert("确认密码中连续数字不能超过三个");
return false;
}
if (boolean == false) {
if (flag == 0)
alert("密码中键盘顺序字符不得超过三个,请重新输入");
if (flag == 1)
alert("确认密码中键盘顺序字符不得超过三个,请重新输入");
return false;
}
return true;
}