validate.go

package main

import (
	"log"
	"regexp"
)

var regexHex = regexp.MustCompile("[a-f0-9]+")
var regexPassHash = regexp.MustCompile("[a-f0-9]{40}")
var regexHash = regexp.MustCompile("[a-f0-9]{40}|[a-z2-7]{16}")
var regexToken = regexp.MustCompile("[a-z0-9]{3}[a-z0-9]*")

func validatePassHash(str string) string {
	if !regexPassHash.MatchString(str) {
		log.Panicf("Invalid password hash %s", str)
	}
	return str
}
func validateHash(str string) string {
	if !regexHash.MatchString(str) {
		log.Panicf("Invalid hash %s", str)
	}
	return str
}
func validateHex(str string) string {
	if !regexHex.MatchString(str) {
		log.Panicf("Invalid hex value %s", str)
	}
	return str
}
func validateMessageID(str string) string {
	if !regexHex.MatchString(str) || len(str) != 40 {
		log.Panicf("Invalid Scramble email MessageID %s", str)
	}
	return str
}
func validateToken(str string) string {
	if !regexToken.MatchString(str) {
		log.Panicf("Invalid token %s", str)
	}
	return str
}
func validatePublicKey(str string) string {
	if str == "" {
		log.Panicf("Invalid public key:\n%s", str)
	}
	return str
}
func validateBox(str string) string {
	if str != "inbox" && str != "sent" && str != "archive" {
		log.Panicf("Expected 'inbox' or 'sent', got %s", str)
	}
	return str
}