authelia/internal/utils/strings.go

42 lines
885 B
Go

package utils
import (
"math/rand"
"time"
)
// Checks if a single string is in an array of strings
func IsStringInSlice(a string, list []string) (inSlice bool) {
for _, b := range list {
if b == a {
return true
}
}
return false
}
// Splits a string s into an array with each item being a max of int d
// d = denominator, n = numerator, q = quotient, r = remainder
func SliceString(s string, d int) (array []string) {
n := len(s)
q := n / d
r := n % d
for i := 0; i < q; i++ {
array = append(array, s[i*d:i*d+d])
if i+1 == q && r != 0 {
array = append(array, s[i*d+d:])
}
}
return
}
// RandomString generate a random string of n characters
func RandomString(n int, characters []rune) (randomString string) {
rand.Seed(time.Now().UnixNano())
b := make([]rune, n)
for i := range b {
b[i] = characters[rand.Intn(len(characters))]
}
return string(b)
}