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
|
package fake
var lowerLetters = []rune("abcdefghijklmnopqrstuvwxyz")
var upperLetters = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
var numeric = []rune("0123456789")
var specialChars = []rune(`!'@#$%^&*()_+-=[]{};:",./?`)
var hexDigits = []rune("0123456789abcdef")
func text(atLeast, atMost int, allowLower, allowUpper, allowNumeric, allowSpecial bool) string {
allowedChars := []rune{}
if allowLower {
allowedChars = append(allowedChars, lowerLetters...)
}
if allowUpper {
allowedChars = append(allowedChars, upperLetters...)
}
if allowNumeric {
allowedChars = append(allowedChars, numeric...)
}
if allowSpecial {
allowedChars = append(allowedChars, specialChars...)
}
result := []rune{}
nTimes := r.Intn(atMost-atLeast+1) + atLeast
for i := 0; i < nTimes; i++ {
result = append(result, allowedChars[r.Intn(len(allowedChars))])
}
return string(result)
}
// Password generates password with the length from atLeast to atMOst charachers,
// allow* parameters specify whether corresponding symbols can be used
func Password(atLeast, atMost int, allowUpper, allowNumeric, allowSpecial bool) string {
return text(atLeast, atMost, true, allowUpper, allowNumeric, allowSpecial)
}
// SimplePassword is a wrapper around Password,
// it generates password with the length from 6 to 12 symbols, with upper characters and numeric symbols allowed
func SimplePassword() string {
return Password(6, 12, true, true, false)
}
// Color generates color name
func Color() string {
return lookup(lang, "colors", true)
}
// DigitsN returns n digits as a string
func DigitsN(n int) string {
digits := make([]rune, n)
for i := 0; i < n; i++ {
digits[i] = numeric[r.Intn(len(numeric))]
}
return string(digits)
}
// Digits returns from 1 to 5 digits as a string
func Digits() string {
return DigitsN(r.Intn(5) + 1)
}
func hexDigitsStr(n int) string {
var num []rune
for i := 0; i < n; i++ {
num = append(num, hexDigits[r.Intn(len(hexDigits))])
}
return string(num)
}
// HexColor generates hex color name
func HexColor() string {
return hexDigitsStr(6)
}
// HexColorShort generates short hex color name
func HexColorShort() string {
return hexDigitsStr(3)
}
|
