mirror of
https://github.com/0rangebananaspy/authelia.git
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cef35fadcd
This is so levels like warn and error can be used to exclude info or warn messages. Additionally there is a reasonable refactoring of logging moving the log config options to the logging key because there are a significant number of log options now. This also decouples the expvars and pprof handlers from the log level, and they are now configured by server.enable_expvars and server.enable_pprof at any logging level.
125 lines
3.1 KiB
Go
125 lines
3.1 KiB
Go
package utils
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import (
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"math/rand"
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"strings"
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"time"
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"unicode"
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)
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// IsStringAlphaNumeric returns false if any rune in the string is not alpha-numeric.
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func IsStringAlphaNumeric(input string) bool {
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for _, r := range input {
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if !unicode.IsLetter(r) && !unicode.IsNumber(r) {
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return false
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}
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}
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return true
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}
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// IsStringInSlice checks if a single string is in a slice of strings.
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func IsStringInSlice(needle string, haystack []string) (inSlice bool) {
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for _, b := range haystack {
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if b == needle {
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return true
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}
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}
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return false
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}
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// IsStringInSliceFold checks if a single string is in a slice of strings but uses strings.EqualFold to compare them.
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func IsStringInSliceFold(needle string, haystack []string) (inSlice bool) {
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for _, b := range haystack {
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if strings.EqualFold(b, needle) {
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return true
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}
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}
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return false
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}
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// IsStringInSliceContains checks if a single string is in an array of strings.
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func IsStringInSliceContains(needle string, haystack []string) (inSlice bool) {
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for _, b := range haystack {
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if strings.Contains(needle, b) {
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return true
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}
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}
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return false
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}
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// SliceString splits a string s into an array with each item being a max of int d
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// d = denominator, n = numerator, q = quotient, r = remainder.
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func SliceString(s string, d int) (array []string) {
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n := len(s)
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q := n / d
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r := n % d
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for i := 0; i < q; i++ {
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array = append(array, s[i*d:i*d+d])
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if i+1 == q && r != 0 {
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array = append(array, s[i*d+d:])
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}
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}
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return
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}
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func isStringSlicesDifferent(a, b []string, method func(s string, b []string) bool) (different bool) {
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if len(a) != len(b) {
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return true
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}
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for _, s := range a {
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if !method(s, b) {
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return true
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}
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}
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return false
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}
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// IsStringSlicesDifferent checks two slices of strings and on the first occurrence of a string item not existing in the
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// other slice returns true, otherwise returns false.
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func IsStringSlicesDifferent(a, b []string) (different bool) {
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return isStringSlicesDifferent(a, b, IsStringInSlice)
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}
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// IsStringSlicesDifferentFold checks two slices of strings and on the first occurrence of a string item not existing in
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// the other slice (case insensitive) returns true, otherwise returns false.
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func IsStringSlicesDifferentFold(a, b []string) (different bool) {
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return isStringSlicesDifferent(a, b, IsStringInSliceFold)
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}
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// StringSlicesDelta takes a before and after []string and compares them returning a added and removed []string.
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func StringSlicesDelta(before, after []string) (added, removed []string) {
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for _, s := range before {
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if !IsStringInSlice(s, after) {
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removed = append(removed, s)
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}
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}
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for _, s := range after {
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if !IsStringInSlice(s, before) {
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added = append(added, s)
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}
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}
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return added, removed
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}
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// RandomString generate a random string of n characters.
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func RandomString(n int, characters []rune) (randomString string) {
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rand.Seed(time.Now().UnixNano())
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b := make([]rune, n)
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for i := range b {
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b[i] = characters[rand.Intn(len(characters))] //nolint:gosec // Likely isn't necessary to use the more expensive crypto/rand for this utility func.
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}
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return string(b)
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}
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