New version update that supports disallowed characters, cleaned up comments
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33
main.go
33
main.go
@ -1,6 +1,6 @@
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// GoPass
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// Author: Maximilian Patterson
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// Version: 1.2
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// Version: 1.2.0
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package main
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import (
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@ -12,19 +12,35 @@ import (
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"strconv"
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)
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var runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890`~!@#$%^&*()_+[]\\{}|;':,./<>?")
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var allowedCharacters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890`~!@#$%^&*()_+[]\\{}|;':,./<>?")
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func main() {
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// Take OS arg (only accepts one arg) handle errors
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// Take in all OS arg
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args := os.Args[1:]
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if len(args) != 1 {
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if len(args) < 1 {
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panic("No password length specified! (ex: ./gopass 16)")
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}
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// Convert String arg to int
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size, err := strconv.Atoi(args[0])
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if err != nil {
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panic("Argument supplied must be an integer! (ex: 16)")
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panic("First argument supplied must be an integer! (ex: 16)")
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}
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// Grab second argument (if it exists) and use it as a disallowed character(s)
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var disallowed []rune
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if len(args) == 2 {
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// Break apart the string into a slice of runes
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disallowed = []rune(args[1])
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// Remove all disallowed characters from the allowedCharacters slice
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for _, r := range disallowed {
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for i, v := range allowedCharacters {
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if v == r {
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allowedCharacters = append(allowedCharacters[:i], allowedCharacters[i+1:]...)
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}
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}
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}
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}
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// Make empty array of runes with size of size
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@ -38,11 +54,12 @@ func main() {
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}
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mathrand.Seed(int64(binary.LittleEndian.Uint64(b[:])))
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// Assign every slot of pass to a random rune (generate rand int of length runes to select)
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// Assign every slot of pass to a random allowedCharacter
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for i := range pass {
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pass[i] = runes[mathrand.Intn(len(runes))]
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// Generate a random int greater than 0 and not to exceed the length of allowedCharacters
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pass[i] = allowedCharacters[mathrand.Intn(len(allowedCharacters))]
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}
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// Print the pass :D
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// Print the password
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fmt.Println(string(pass))
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}
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