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authentication.go
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authentication.go
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package authentication
import (
"context"
"errors"
"fmt"
"math"
mail2 "net/mail"
"strconv"
"strings"
"time"
"github.com/go-redis/redis/v8"
"github.com/latolukasz/beeorm"
"github.com/coretrix/hitrix/service/component/app"
"github.com/coretrix/hitrix/service/component/clock"
errorlogger "github.com/coretrix/hitrix/service/component/error_logger"
"github.com/coretrix/hitrix/service/component/generator"
"github.com/coretrix/hitrix/service/component/jwt"
"github.com/coretrix/hitrix/service/component/mail"
"github.com/coretrix/hitrix/service/component/password"
"github.com/coretrix/hitrix/service/component/social"
"github.com/coretrix/hitrix/service/component/uuid"
)
const (
separator = ":"
accessListSeparator = ";"
accessKeyPrefix = "ACCESS"
userAccessListPrefix = "USER_KEYS"
maxUserAccessKeysAllowed = 10
SocialLoginGoogle = "google"
SocialLoginFacebook = "facebook"
SocialLoginApple = "apple"
)
type AuthenticatableEntity interface {
beeorm.Entity
CanAuthenticate() bool
}
type OTPProviderEntity interface {
beeorm.Entity
AuthenticatableEntity
GetPhoneFieldName() string
GetEmailFieldName() string
}
type AuthProviderEntity interface {
beeorm.Entity
AuthenticatableEntity
GetUniqueFieldName() string
GetPassword() string
}
type EmailAuthEntity interface {
beeorm.Entity
AuthenticatableEntity
GetPassword() string
GetEmailFieldName() string
}
type Authentication struct {
accessTokenTTL int
refreshTokenTTL int
otpTTL int
otpLength int
passwordService password.IPassword
errorLoggerService errorlogger.ErrorLogger
appService *app.App
jwtService *jwt.JWT
mailService *mail.ISender
socialServiceMapping map[string]social.IUserData
generatorService generator.IGenerator
clockService clock.IClock
uuidService uuid.IUUID
secret string
}
func NewAuthenticationService(
secret string,
accessTokenTTL int,
refreshTokenTTL int,
otpTTL int,
otpLength int,
appService *app.App,
generatorService generator.IGenerator,
errorLoggerService errorlogger.ErrorLogger,
clockService clock.IClock,
passwordService password.IPassword,
jwtService *jwt.JWT,
mailService *mail.ISender,
socialServiceMapping map[string]social.IUserData,
uuidService uuid.IUUID,
) *Authentication {
return &Authentication{
secret: secret,
accessTokenTTL: accessTokenTTL,
refreshTokenTTL: refreshTokenTTL,
otpTTL: otpTTL,
otpLength: otpLength,
passwordService: passwordService,
errorLoggerService: errorLoggerService,
jwtService: jwtService,
appService: appService,
clockService: clockService,
generatorService: generatorService,
mailService: mailService,
socialServiceMapping: socialServiceMapping,
uuidService: uuidService,
}
}
type GenerateOTP struct {
Mobile string
ExpirationTime string
Token string
}
type GenerateOTPEmail struct {
Email string
ExpirationTime string
Token string
}
func (t *Authentication) GenerateAndSendOTPEmail(ormService *beeorm.Engine, email, template, from, title string) (*GenerateOTPEmail, error) {
_, err := mail2.ParseAddress(email)
if err != nil {
return nil, errors.New("mail address not valid")
}
var code int64
if t.otpLength == 0 {
code = t.generatorService.GenerateRandomRangeNumber(10000, 99999)
} else {
// example, if t.otpLength = 5 (the default)
// min = 10 ^ (5-1) ==> min = 10 ^ 4 ==> min = 10000
// max = (10 ^ 5) - 1 ==> max = 100000 - 1 ==> max = 99999
min := int64(math.Pow(10, float64(t.otpLength-1)))
max := int64(math.Pow(10, float64(t.otpLength))) - 1
code = t.generatorService.GenerateRandomRangeNumber(min, max)
}
if t.mailService == nil {
panic("mail service is not registered")
}
mailService := *t.mailService
err = mailService.SendTemplate(ormService, &mail.Message{
From: from,
To: email,
Subject: title,
TemplateName: template,
TemplateData: map[string]interface{}{"code": strconv.FormatInt(code, 10)},
})
if err != nil {
return nil, err
}
expirationTime := t.clockService.Now().Add(time.Duration(t.otpTTL) * time.Second).Unix()
token := t.generatorService.GenerateSha256Hash(fmt.Sprint(strconv.FormatInt(expirationTime, 10), email, fmt.Sprint(code)))
return &GenerateOTPEmail{
Email: email,
ExpirationTime: strconv.FormatInt(expirationTime, 10),
Token: token,
}, nil
}
func (t *Authentication) VerifyOTPEmail(code string, input *GenerateOTPEmail) error {
token := t.generatorService.GenerateSha256Hash(fmt.Sprint(input.ExpirationTime, input.Email, code))
if token != input.Token {
return errors.New("wrong code provided")
}
timeInt, err := strconv.ParseInt(input.ExpirationTime, 10, 64)
if err != nil {
panic("wrong time format")
}
expirationTime := time.Unix(timeInt, 0)
if expirationTime.Before(t.clockService.Now()) {
return errors.New("code expired")
}
return nil
}
func (t *Authentication) VerifySocialLogin(ctx context.Context, source, token string, isAndroid bool) (*social.UserData, error) {
socialProvider, ok := t.socialServiceMapping[source]
if !ok {
return nil, errors.New("not supported social provider: " + source)
}
return socialProvider.GetUserData(ctx, token, isAndroid)
}
func (t *Authentication) AuthenticateOTP(
ormService *beeorm.Engine,
phone string,
entity OTPProviderEntity,
) (accessToken string, refreshToken string, err error) {
q := &beeorm.RedisSearchQuery{}
q.FilterString(entity.GetPhoneFieldName(), phone)
found := ormService.RedisSearchOne(entity, q)
if !found {
return "", "", errors.New("invalid credentials")
}
if !entity.CanAuthenticate() {
return "", "", errors.New("cannot authenticate this entity")
}
return t.generateUserTokens(ormService, entity.GetID())
}
func (t *Authentication) AuthenticateOTPEmail(
ormService *beeorm.Engine,
email string,
entity OTPProviderEntity,
) (accessToken string, refreshToken string, err error) {
q := &beeorm.RedisSearchQuery{}
q.FilterString(entity.GetEmailFieldName(), email)
found := ormService.RedisSearchOne(entity, q)
if !found {
return "", "", errors.New("invalid credentials")
}
if !entity.CanAuthenticate() {
return "", "", errors.New("cannot authenticate this entity")
}
return t.generateUserTokens(ormService, entity.GetID())
}
func (t *Authentication) Authenticate(
ormService *beeorm.Engine,
uniqueValue string,
password string,
entity AuthProviderEntity,
) (accessToken string, refreshToken string, err error) {
q := &beeorm.RedisSearchQuery{}
q.FilterString(entity.GetUniqueFieldName(), uniqueValue)
found := ormService.RedisSearchOne(entity, q)
if !found {
return "", "", errors.New("invalid user/pass")
}
if !t.passwordService.VerifyPassword(password, entity.GetPassword()) {
return "", "", errors.New("invalid user/pass")
}
if !entity.CanAuthenticate() {
return "", "", errors.New("cannot authenticate this entity")
}
return t.generateUserTokens(ormService, entity.GetID())
}
func (t *Authentication) AuthenticateEmail(
ormService *beeorm.Engine,
email string,
password string,
entity EmailAuthEntity,
) (accessToken string, refreshToken string, err error) {
found := ormService.CachedSearchOne(entity, "CachedQueryEmail", email)
if !found {
return "", "", errors.New("invalid credentials")
}
if !t.passwordService.VerifyPassword(password, entity.GetPassword()) {
return "", "", errors.New("invalid user/pass")
}
if !entity.CanAuthenticate() {
return "", "", errors.New("cannot authenticate this entity")
}
return t.generateUserTokens(ormService, entity.GetID())
}
func (t *Authentication) AuthenticateByID(
ormService *beeorm.Engine,
id uint64,
entity AuthProviderEntity,
) (accessToken string, refreshToken string, err error) {
exists := ormService.LoadByID(id, entity)
if !exists {
return "", "", errors.New("id_does_not_exists")
}
if !entity.CanAuthenticate() {
return "", "", errors.New("cannot authenticate this entity")
}
return t.generateUserTokens(ormService, entity.GetID())
}
func (t *Authentication) generateUserTokens(ormService *beeorm.Engine, ID uint64) (accessToken string, refreshToken string, err error) {
accessKey := t.generateAndStoreAccessKey(ormService, ID, t.refreshTokenTTL)
accessToken, err = t.GenerateTokenPair(ID, accessKey, t.accessTokenTTL)
if err != nil {
return "", "", err
}
refreshToken, err = t.GenerateTokenPair(ID, accessKey, t.refreshTokenTTL)
if err != nil {
return "", "", err
}
t.addUserAccessKeyList(ormService, ID, accessKey, "", t.refreshTokenTTL)
return accessToken, refreshToken, nil
}
func (t *Authentication) VerifyAccessToken(ormService *beeorm.Engine, accessToken string, entity beeorm.Entity) (map[string]string, error) {
payload, err := t.jwtService.VerifyJWTAndGetPayload(t.secret, accessToken, t.clockService.Now().Unix())
if err != nil {
return nil, err
}
id, err := strconv.ParseUint(payload["sub"], 10, 64)
if err != nil {
return nil, err
}
accessKey := payload["jti"]
_, has := ormService.GetRedis(t.appService.RedisPools.Persistent).Get(accessKey)
if !has {
return nil, errors.New("access key not found")
}
found := ormService.LoadByID(id, entity)
if !found {
return nil, errors.New("user_not_found")
}
return payload, nil
}
func (t *Authentication) VerifyAccessTokenTemporary(ormService *beeorm.Engine, accessToken string, entity beeorm.Entity) (map[string]string, error) {
payload, err := t.jwtService.VerifyJWTAndGetPayload(t.secret, accessToken, t.clockService.Now().Unix())
if err != nil {
return payload, err
}
id, err := strconv.ParseUint(payload["sub"], 10, 64)
if err != nil {
return nil, err
}
//accessKey := payload["jti"]
//_, has := ormService.GetRedis(t.appService.RedisPools.Persistent).Get(accessKey)
//if !has {
// return nil, errors.New("access key not found")
//}
found := ormService.LoadByID(id, entity)
if !found {
return nil, errors.New("user_not_found")
}
return payload, nil
}
func (t *Authentication) RefreshToken(ormService *beeorm.Engine, refreshToken string) (newAccessToken string, newRefreshToken string, err error) {
payload, err := t.jwtService.VerifyJWTAndGetPayload(t.secret, refreshToken, t.clockService.Now().Unix())
if err != nil {
return "", "", err
}
id, err := strconv.ParseUint(payload["sub"], 10, 64)
if err != nil {
return "", "", err
}
//check the access key
oldAccessKey := payload["jti"]
_, has := ormService.GetRedis(t.appService.RedisPools.Persistent).Get(oldAccessKey)
if !has {
return "", "", errors.New("refresh token not valid")
}
ormService.GetRedis(t.appService.RedisPools.Persistent).Del(oldAccessKey)
newAccessKey := t.generateAndStoreAccessKey(ormService, id, t.accessTokenTTL)
newAccessToken, err = t.GenerateTokenPair(id, newAccessKey, t.accessTokenTTL)
if err != nil {
return "", "", err
}
newRefreshToken, err = t.GenerateTokenPair(id, newAccessKey, t.refreshTokenTTL)
if err != nil {
return "", "", err
}
t.addUserAccessKeyList(ormService, id, newAccessKey, oldAccessKey, t.refreshTokenTTL)
return newAccessToken, newRefreshToken, err
}
func (t *Authentication) LogoutCurrentSession(ormService *beeorm.Engine, accessKey string) {
cacheService := ormService.GetRedis(t.appService.RedisPools.Persistent)
cacheService.Del(accessKey)
tokenListKey := generateUserTokenListKey(getUserIDFromAccessKey(accessKey))
tokenList, has := cacheService.Get(tokenListKey)
if has {
var newTokenList = make([]string, 0)
tokenArr := strings.Split(tokenList, accessListSeparator)
if len(tokenArr) != 0 {
for i := range tokenArr {
if tokenArr[i] != accessKey {
newTokenList = append(newTokenList, tokenArr[i])
}
}
if len(newTokenList) != 0 {
cacheService.Set(tokenListKey, strings.Join(newTokenList, accessListSeparator), redis.KeepTTL)
}
}
}
}
func (t *Authentication) LogoutAllSessions(ormService *beeorm.Engine, id uint64) {
tokenListKey := generateUserTokenListKey(id)
cacheService := ormService.GetRedis(t.appService.RedisPools.Persistent)
tokenList, has := cacheService.Get(tokenListKey)
if has && tokenList != "" {
tokenArr := strings.Split(tokenList, accessListSeparator)
if len(tokenArr) != 0 {
cacheService.Del(tokenArr...)
}
}
cacheService.Del(tokenListKey)
}
func (t *Authentication) GenerateTokenPair(id uint64, accessKey string, ttl int) (string, error) {
headers := map[string]string{
"algo": "HS256",
"type": "JWT",
}
now := t.clockService.Now().Unix()
payload := map[string]string{
"jti": accessKey,
"sub": strconv.FormatUint(id, 10),
"exp": strconv.FormatInt(now+int64(ttl), 10),
"iat": strconv.FormatInt(now, 10),
}
return t.jwtService.EncodeJWT(t.secret, headers, payload)
}
func (t *Authentication) generateAndStoreAccessKey(ormService *beeorm.Engine, id uint64, ttl int) string {
key := generateAccessKey(id, t.uuidService.Generate())
ormService.GetRedis(t.appService.RedisPools.Persistent).Set(key, "", ttl)
return key
}
func (t *Authentication) addUserAccessKeyList(ormService *beeorm.Engine, id uint64, accessKey, oldAccessKey string, ttl int) {
key := generateUserTokenListKey(id)
cacheService := ormService.GetRedis(t.appService.RedisPools.Persistent)
res, has := cacheService.Get(key)
if !has {
cacheService.Set(key, accessKey, ttl)
return
}
currentTokenArr := strings.Split(res, accessListSeparator)
if len(currentTokenArr) >= maxUserAccessKeysAllowed {
cacheService.Del(currentTokenArr[0])
currentTokenArr = currentTokenArr[1:]
}
if oldAccessKey == "" {
currentTokenArr = append(currentTokenArr, accessKey)
cacheService.Set(key, strings.Join(currentTokenArr, accessListSeparator), ttl)
return
}
var finalTokenArr = make([]string, 0)
finalTokenArr = append(finalTokenArr, accessKey)
if oldAccessKey != "" {
for i := range currentTokenArr {
if currentTokenArr[i] != oldAccessKey {
finalTokenArr = append(finalTokenArr, currentTokenArr[i])
}
}
}
if len(finalTokenArr) == 0 {
cacheService.Del(key)
} else {
cacheService.Set(key, strings.Join(finalTokenArr, accessListSeparator), ttl)
}
}
func generateAccessKey(id uint64, uuid string) string {
return fmt.Sprintf("%s%s%d%s%s", accessKeyPrefix, separator, id, separator, uuid)
}
func getUserIDFromAccessKey(accessKey string) uint64 {
accessArr := strings.Split(accessKey, separator)
if len(accessArr) == 3 {
userIDInt, _ := strconv.ParseInt(accessArr[1], 10, 0)
return uint64(userIDInt)
}
return 0
}
func generateUserTokenListKey(id uint64) string {
return fmt.Sprintf("%s%s%d", userAccessListPrefix, separator, id)
}