Mikescher/SimpleCloudNotifier
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Update goext to v0.0.291

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This commit is contained in:
Mike Schwörer
2023-10-26 13:14:11 +02:00
parent 51f5f1005a
commit 9f3e183d72
11 changed files with 835 additions and 713 deletions
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406
scnserver/models/ids.go
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@@ -1,19 +1,11 @@
package models
import (
"crypto/rand"
"errors"
"fmt"
"github.com/go-playground/validator/v10"
"github.com/rs/zerolog/log"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/rext"
"math/big"
"reflect"
"regexp"
"strings"
)
//go:generate go run ../_gen/id-generate.go -- ids_gen.go
type EntityID interface {
String() string
Valid() error
@@ -23,389 +15,11 @@ type EntityID interface {
Regex() rext.Regex
}
const idlen = 24
const checklen = 1
const idCharset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
const idCharsetLen = len(idCharset)
var charSetReverseMap = generateCharsetMap()
const (
prefixUserID = "USR"
prefixChannelID = "CHA"
prefixDeliveryID = "DEL"
prefixMessageID = "MSG"
prefixSubscriptionID = "SUB"
prefixClientID = "CLN"
prefixRequestID = "REQ"
prefixKeyTokenID = "TOK"
)
var (
regexUserID = generateRegex(prefixUserID)
regexChannelID = generateRegex(prefixChannelID)
regexDeliveryID = generateRegex(prefixDeliveryID)
regexMessageID = generateRegex(prefixMessageID)
regexSubscriptionID = generateRegex(prefixSubscriptionID)
regexClientID = generateRegex(prefixClientID)
regexRequestID = generateRegex(prefixRequestID)
regexKeyTokenID = generateRegex(prefixKeyTokenID)
)
func generateRegex(prefix string) rext.Regex {
return rext.W(regexp.MustCompile(fmt.Sprintf("^%s[%s]{%d}[%s]{%d}$", prefix, idCharset, idlen-len(prefix)-checklen, idCharset, checklen)))
}
func generateCharsetMap() []int {
result := make([]int, 128)
for i := 0; i < len(result); i++ {
result[i] = -1
}
for idx, chr := range idCharset {
result[int(chr)] = idx
}
return result
}
func generateID(prefix string) string {
k := ""
max := big.NewInt(int64(idCharsetLen))
checksum := 0
for i := 0; i < idlen-len(prefix)-checklen; i++ {
v, err := rand.Int(rand.Reader, max)
if err != nil {
panic(err)
}
v64 := v.Int64()
k += string(idCharset[v64])
checksum = (checksum + int(v64)) % (idCharsetLen)
}
checkstr := string(idCharset[checksum%idCharsetLen])
return prefix + k + checkstr
}
func validateID(prefix string, value string) error {
if len(value) != idlen {
return errors.New("id has the wrong length")
}
if !strings.HasPrefix(value, prefix) {
return errors.New("id is missing the correct prefix")
}
checksum := 0
for i := len(prefix); i < len(value)-checklen; i++ {
ichr := int(value[i])
if ichr < 0 || ichr >= len(charSetReverseMap) || charSetReverseMap[ichr] == -1 {
return errors.New("id contains invalid characters")
}
checksum = (checksum + charSetReverseMap[ichr]) % (idCharsetLen)
}
checkstr := string(idCharset[checksum%idCharsetLen])
if !strings.HasSuffix(value, checkstr) {
return errors.New("id checkstring is invalid")
}
return nil
}
func getRawData(prefix string, value string) string {
if len(value) != idlen {
return ""
}
return value[len(prefix) : idlen-checklen]
}
func getCheckString(prefix string, value string) string {
if len(value) != idlen {
return ""
}
return value[idlen-checklen:]
}
func ValidateEntityID(vfl validator.FieldLevel) bool {
if !vfl.Field().CanInterface() {
log.Error().Msgf("Failed to validate EntityID (cannot interface ?!?)")
return false
}
ifvalue := vfl.Field().Interface()
if value1, ok := ifvalue.(EntityID); ok {
if vfl.Field().Type().Kind() == reflect.Pointer && langext.IsNil(value1) {
return true
}
if err := value1.Valid(); err != nil {
log.Debug().Msgf("Failed to validate EntityID '%s' (%s)", value1.String(), err.Error())
return false
} else {
return true
}
} else {
log.Error().Msgf("Failed to validate EntityID (wrong type: %T)", ifvalue)
return false
}
}
// ------------------------------------------------------------
type UserID string
func NewUserID() UserID {
return UserID(generateID(prefixUserID))
}
func (id UserID) Valid() error {
return validateID(prefixUserID, string(id))
}
func (id UserID) String() string {
return string(id)
}
func (id UserID) Prefix() string {
return prefixUserID
}
func (id UserID) Raw() string {
return getRawData(prefixUserID, string(id))
}
func (id UserID) CheckString() string {
return getCheckString(prefixUserID, string(id))
}
func (id UserID) Regex() rext.Regex {
return regexUserID
}
// ------------------------------------------------------------
type ChannelID string
func NewChannelID() ChannelID {
return ChannelID(generateID(prefixChannelID))
}
func (id ChannelID) Valid() error {
return validateID(prefixChannelID, string(id))
}
func (id ChannelID) String() string {
return string(id)
}
func (id ChannelID) Prefix() string {
return prefixChannelID
}
func (id ChannelID) Raw() string {
return getRawData(prefixChannelID, string(id))
}
func (id ChannelID) CheckString() string {
return getCheckString(prefixChannelID, string(id))
}
func (id ChannelID) Regex() rext.Regex {
return regexChannelID
}
// ------------------------------------------------------------
type DeliveryID string
func NewDeliveryID() DeliveryID {
return DeliveryID(generateID(prefixDeliveryID))
}
func (id DeliveryID) Valid() error {
return validateID(prefixDeliveryID, string(id))
}
func (id DeliveryID) String() string {
return string(id)
}
func (id DeliveryID) Prefix() string {
return prefixDeliveryID
}
func (id DeliveryID) Raw() string {
return getRawData(prefixDeliveryID, string(id))
}
func (id DeliveryID) CheckString() string {
return getCheckString(prefixDeliveryID, string(id))
}
func (id DeliveryID) Regex() rext.Regex {
return regexDeliveryID
}
// ------------------------------------------------------------
type MessageID string
func NewMessageID() MessageID {
return MessageID(generateID(prefixMessageID))
}
func (id MessageID) Valid() error {
return validateID(prefixMessageID, string(id))
}
func (id MessageID) String() string {
return string(id)
}
func (id MessageID) Prefix() string {
return prefixMessageID
}
func (id MessageID) Raw() string {
return getRawData(prefixMessageID, string(id))
}
func (id MessageID) CheckString() string {
return getCheckString(prefixMessageID, string(id))
}
func (id MessageID) Regex() rext.Regex {
return regexMessageID
}
// ------------------------------------------------------------
type SubscriptionID string
func NewSubscriptionID() SubscriptionID {
return SubscriptionID(generateID(prefixSubscriptionID))
}
func (id SubscriptionID) Valid() error {
return validateID(prefixSubscriptionID, string(id))
}
func (id SubscriptionID) String() string {
return string(id)
}
func (id SubscriptionID) Prefix() string {
return prefixSubscriptionID
}
func (id SubscriptionID) Raw() string {
return getRawData(prefixSubscriptionID, string(id))
}
func (id SubscriptionID) CheckString() string {
return getCheckString(prefixSubscriptionID, string(id))
}
func (id SubscriptionID) Regex() rext.Regex {
return regexSubscriptionID
}
// ------------------------------------------------------------
type ClientID string
func NewClientID() ClientID {
return ClientID(generateID(prefixClientID))
}
func (id ClientID) Valid() error {
return validateID(prefixClientID, string(id))
}
func (id ClientID) String() string {
return string(id)
}
func (id ClientID) Prefix() string {
return prefixClientID
}
func (id ClientID) Raw() string {
return getRawData(prefixClientID, string(id))
}
func (id ClientID) CheckString() string {
return getCheckString(prefixClientID, string(id))
}
func (id ClientID) Regex() rext.Regex {
return regexClientID
}
// ------------------------------------------------------------
type RequestID string
func NewRequestID() RequestID {
return RequestID(generateID(prefixRequestID))
}
func (id RequestID) Valid() error {
return validateID(prefixRequestID, string(id))
}
func (id RequestID) String() string {
return string(id)
}
func (id RequestID) Prefix() string {
return prefixRequestID
}
func (id RequestID) Raw() string {
return getRawData(prefixRequestID, string(id))
}
func (id RequestID) CheckString() string {
return getCheckString(prefixRequestID, string(id))
}
func (id RequestID) Regex() rext.Regex {
return regexRequestID
}
// ------------------------------------------------------------
type KeyTokenID string
func NewKeyTokenID() KeyTokenID {
return KeyTokenID(generateID(prefixKeyTokenID))
}
func (id KeyTokenID) Valid() error {
return validateID(prefixKeyTokenID, string(id))
}
func (id KeyTokenID) String() string {
return string(id)
}
func (id KeyTokenID) Prefix() string {
return prefixKeyTokenID
}
func (id KeyTokenID) Raw() string {
return getRawData(prefixKeyTokenID, string(id))
}
func (id KeyTokenID) CheckString() string {
return getCheckString(prefixKeyTokenID, string(id))
}
func (id KeyTokenID) Regex() rext.Regex {
return regexKeyTokenID
}
type UserID string //@csid:type [USR]
type ChannelID string //@csid:type [CHA]
type DeliveryID string //@csid:type [DEL]
type MessageID string //@csid:type [MSG]
type SubscriptionID string //@csid:type [SUB]
type ClientID string //@csid:type [CLN]
type RequestID string //@csid:type [REQ]
type KeyTokenID string //@csid:type [TOK]