MaysWind
365 lines
11 KiB
Go
365 lines
11 KiB
Go
package services
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import (
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"fmt"
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"math"
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"strings"
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"time"
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"github.com/golang-jwt/jwt/v5"
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"github.com/golang-jwt/jwt/v5/request"
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"xorm.io/xorm"
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"github.com/mayswind/ezbookkeeping/pkg/core"
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"github.com/mayswind/ezbookkeeping/pkg/datastore"
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"github.com/mayswind/ezbookkeeping/pkg/errs"
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"github.com/mayswind/ezbookkeeping/pkg/log"
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"github.com/mayswind/ezbookkeeping/pkg/models"
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"github.com/mayswind/ezbookkeeping/pkg/settings"
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"github.com/mayswind/ezbookkeeping/pkg/utils"
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)
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// TokenService represents user token service
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type TokenService struct {
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ServiceUsingDB
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ServiceUsingConfig
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}
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// Initialize a user token service singleton instance
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var (
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Tokens = &TokenService{
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ServiceUsingDB: ServiceUsingDB{
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container: datastore.Container,
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},
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ServiceUsingConfig: ServiceUsingConfig{
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container: settings.Container,
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},
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}
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)
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// GetAllTokensByUid returns all token models of given user
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func (s *TokenService) GetAllTokensByUid(c *core.Context, uid int64) ([]*models.TokenRecord, error) {
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if uid <= 0 {
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return nil, errs.ErrUserIdInvalid
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}
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var tokenRecords []*models.TokenRecord
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err := s.TokenDB(uid).NewSession(c).Cols("uid", "user_token_id", "token_type", "user_agent", "created_unix_time", "expired_unix_time").Where("uid=?", uid).Find(&tokenRecords)
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return tokenRecords, err
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}
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// GetAllUnexpiredNormalTokensByUid returns all available token models of given user
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func (s *TokenService) GetAllUnexpiredNormalTokensByUid(c *core.Context, uid int64) ([]*models.TokenRecord, error) {
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if uid <= 0 {
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return nil, errs.ErrUserIdInvalid
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}
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now := time.Now().Unix()
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var tokenRecords []*models.TokenRecord
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err := s.TokenDB(uid).NewSession(c).Cols("uid", "user_token_id", "token_type", "user_agent", "created_unix_time", "expired_unix_time").Where("uid=? AND token_type=? AND expired_unix_time>?", uid, core.USER_TOKEN_TYPE_NORMAL, now).Find(&tokenRecords)
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return tokenRecords, err
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}
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// ParseTokenByHeader returns the token model according to request data
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func (s *TokenService) ParseTokenByHeader(c *core.Context) (*jwt.Token, *core.UserTokenClaims, error) {
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return s.parseToken(c, request.BearerExtractor{})
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}
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// ParseTokenByArgument returns the token model according to request data
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func (s *TokenService) ParseTokenByArgument(c *core.Context, tokenParameterName string) (*jwt.Token, *core.UserTokenClaims, error) {
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return s.parseToken(c, request.ArgumentExtractor{tokenParameterName})
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}
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// ParseTokenByCookie returns the token model according to request data
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func (s *TokenService) ParseTokenByCookie(c *core.Context, tokenCookieName string) (*jwt.Token, *core.UserTokenClaims, error) {
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return s.parseToken(c, utils.CookieExtractor{tokenCookieName})
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}
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// CreateToken generates a new normal token and saves to database
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func (s *TokenService) CreateToken(c *core.Context, user *models.User) (string, *core.UserTokenClaims, error) {
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return s.createToken(c, user, core.USER_TOKEN_TYPE_NORMAL, s.getUserAgent(c), s.CurrentConfig().TokenExpiredTimeDuration)
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}
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// CreateRequire2FAToken generates a new token requiring user to verify 2fa passcode and saves to database
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func (s *TokenService) CreateRequire2FAToken(c *core.Context, user *models.User) (string, *core.UserTokenClaims, error) {
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return s.createToken(c, user, core.USER_TOKEN_TYPE_REQUIRE_2FA, s.getUserAgent(c), s.CurrentConfig().TemporaryTokenExpiredTimeDuration)
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}
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// CreatePasswordResetToken generates a new password reset token and saves to database
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func (s *TokenService) CreatePasswordResetToken(c *core.Context, user *models.User) (string, *core.UserTokenClaims, error) {
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return s.createToken(c, user, core.USER_TOKEN_TYPE_PASSWORD_RESET, s.getUserAgent(c), s.CurrentConfig().PasswordResetTokenExpiredTimeDuration)
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}
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// DeleteToken deletes given token from database
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func (s *TokenService) DeleteToken(c *core.Context, tokenRecord *models.TokenRecord) error {
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if tokenRecord.Uid <= 0 {
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return errs.ErrUserIdInvalid
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}
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if tokenRecord.UserTokenId <= 0 {
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return errs.ErrInvalidUserTokenId
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}
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return s.TokenDB(tokenRecord.Uid).DoTransaction(c, func(sess *xorm.Session) error {
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deletedRows, err := sess.Where("uid=? AND user_token_id=? AND created_unix_time=?", tokenRecord.Uid, tokenRecord.UserTokenId, tokenRecord.CreatedUnixTime).Delete(&models.TokenRecord{})
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if err != nil {
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return err
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} else if deletedRows < 1 {
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return errs.ErrTokenRecordNotFound
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}
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return nil
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})
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}
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// DeleteTokens deletes given tokens from database
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func (s *TokenService) DeleteTokens(c *core.Context, uid int64, tokenRecords []*models.TokenRecord) error {
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if uid <= 0 {
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return errs.ErrUserIdInvalid
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}
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return s.TokenDB(uid).DoTransaction(c, func(sess *xorm.Session) error {
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for i := 0; i < len(tokenRecords); i++ {
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tokenRecord := tokenRecords[i]
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deletedRows, err := sess.Where("uid=? AND user_token_id=? AND created_unix_time=?", uid, tokenRecord.UserTokenId, tokenRecord.CreatedUnixTime).Delete(&models.TokenRecord{})
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if err != nil {
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return err
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} else if deletedRows < 1 {
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return errs.ErrTokenRecordNotFound
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}
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}
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return nil
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})
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}
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// DeleteTokenByClaims deletes given token from database
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func (s *TokenService) DeleteTokenByClaims(c *core.Context, claims *core.UserTokenClaims) error {
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userTokenId, err := utils.StringToInt64(claims.UserTokenId)
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if err != nil {
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return errs.ErrInvalidUserTokenId
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}
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return s.DeleteToken(c, &models.TokenRecord{
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Uid: claims.Uid,
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UserTokenId: userTokenId,
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CreatedUnixTime: claims.IssuedAt,
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})
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}
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// DeleteTokensBeforeTime deletes tokens that is created before specific time
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func (s *TokenService) DeleteTokensBeforeTime(c *core.Context, uid int64, expireTime int64) error {
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if uid <= 0 {
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return errs.ErrUserIdInvalid
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}
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return s.TokenDB(uid).DoTransaction(c, func(sess *xorm.Session) error {
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_, err := sess.Where("uid=? AND created_unix_time<?", uid, expireTime).Delete(&models.TokenRecord{})
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return err
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})
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}
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// ParseFromTokenId returns token model according to token id
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func (s *TokenService) ParseFromTokenId(tokenId string) (*models.TokenRecord, error) {
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pairs := strings.Split(tokenId, ":")
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if len(pairs) != 3 {
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return nil, errs.ErrInvalidTokenId
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}
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uid, err := utils.StringToInt64(pairs[0])
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if err != nil {
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return nil, errs.ErrInvalidTokenId
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}
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createdUnixTime, err := utils.StringToInt64(pairs[1])
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if err != nil {
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return nil, errs.ErrInvalidTokenId
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}
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userTokenId, err := utils.StringToInt64(pairs[2])
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if err != nil {
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return nil, errs.ErrInvalidTokenId
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}
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tokenRecord := &models.TokenRecord{
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Uid: uid,
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UserTokenId: userTokenId,
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CreatedUnixTime: createdUnixTime,
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}
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return tokenRecord, nil
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}
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// GenerateTokenId generates token id according to token model
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func (s *TokenService) GenerateTokenId(tokenRecord *models.TokenRecord) string {
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return fmt.Sprintf("%d:%d:%d", tokenRecord.Uid, tokenRecord.CreatedUnixTime, tokenRecord.UserTokenId)
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}
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func (s *TokenService) parseToken(c *core.Context, extractor request.Extractor) (*jwt.Token, *core.UserTokenClaims, error) {
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claims := &core.UserTokenClaims{}
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token, err := request.ParseFromRequest(c.Request, extractor,
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func(token *jwt.Token) (interface{}, error) {
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now := time.Now().Unix()
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userTokenId, err := utils.StringToInt64(claims.UserTokenId)
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if err != nil {
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log.WarnfWithRequestId(c, "[tokens.ParseToken] token \"utid:%s\" in token of user \"uid:%d\" is invalid, because %s", claims.UserTokenId, claims.Uid, err.Error())
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return nil, errs.ErrInvalidUserTokenId
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}
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tokenRecord, err := s.getTokenRecord(c, claims.Uid, userTokenId, claims.IssuedAt)
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if err != nil {
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log.WarnfWithRequestId(c, "[tokens.ParseToken] token \"utid:%s\" of user \"uid:%d\" record not found, because %s", claims.UserTokenId, claims.Uid, err.Error())
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return nil, errs.ErrTokenRecordNotFound
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}
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if tokenRecord.ExpiredUnixTime < now {
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log.WarnfWithRequestId(c, "[tokens.ParseToken] token \"utid:%s\" of user \"uid:%d\" record is expired", claims.UserTokenId, claims.Uid)
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return nil, errs.ErrTokenExpired
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}
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return []byte(tokenRecord.Secret), nil
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},
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request.WithClaims(claims),
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request.WithParser(jwt.NewParser(jwt.WithIssuedAt())),
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)
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if err != nil {
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if err == request.ErrNoTokenInRequest {
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return nil, nil, errs.ErrTokenIsEmpty
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}
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if err == jwt.ErrTokenMalformed || err == jwt.ErrTokenUnverifiable || err == jwt.ErrTokenSignatureInvalid {
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log.WarnfWithRequestId(c, "[tokens.ParseToken] token is invalid, because %s", err.Error())
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return nil, nil, errs.ErrCurrentInvalidToken
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}
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if err == jwt.ErrTokenExpired {
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return nil, nil, errs.ErrCurrentTokenExpired
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}
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if err == jwt.ErrTokenUsedBeforeIssued {
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log.WarnfWithRequestId(c, "[tokens.ParseToken] token is invalid, because issue time is later than now")
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return nil, nil, errs.ErrCurrentInvalidToken
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}
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return nil, nil, err
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}
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return token, claims, err
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}
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func (s *TokenService) createToken(c *core.Context, user *models.User, tokenType core.TokenType, userAgent string, expiryDate time.Duration) (string, *core.UserTokenClaims, error) {
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var err error
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now := time.Now()
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tokenRecord := &models.TokenRecord{
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Uid: user.Uid,
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UserTokenId: s.getUserTokenId(),
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TokenType: tokenType,
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UserAgent: userAgent,
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CreatedUnixTime: now.Unix(),
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ExpiredUnixTime: now.Add(expiryDate).Unix(),
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}
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if tokenRecord.Secret, err = utils.GetRandomString(10); err != nil {
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return "", nil, err
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}
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claims := &core.UserTokenClaims{
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UserTokenId: utils.Int64ToString(tokenRecord.UserTokenId),
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Uid: tokenRecord.Uid,
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Username: user.Username,
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Type: tokenRecord.TokenType,
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IssuedAt: tokenRecord.CreatedUnixTime,
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ExpiresAt: tokenRecord.ExpiredUnixTime,
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}
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jwtToken := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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tokenString, err := jwtToken.SignedString([]byte(tokenRecord.Secret))
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if err != nil {
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return "", nil, err
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}
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err = s.createTokenRecord(c, tokenRecord)
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if err != nil {
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return "", nil, err
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}
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return tokenString, claims, err
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}
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func (s *TokenService) getTokenRecord(c *core.Context, uid int64, userTokenId int64, createUnixTime int64) (*models.TokenRecord, error) {
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if uid <= 0 {
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return nil, errs.ErrUserIdInvalid
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}
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if userTokenId <= 0 {
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return nil, errs.ErrInvalidUserTokenId
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}
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tokenRecord := &models.TokenRecord{}
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has, err := s.TokenDB(uid).NewSession(c).Where("uid=? AND user_token_id=? AND created_unix_time=?", uid, userTokenId, createUnixTime).Limit(1).Get(tokenRecord)
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if err != nil {
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return nil, err
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}
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if !has {
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return nil, errs.ErrTokenRecordNotFound
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}
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return tokenRecord, nil
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}
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func (s *TokenService) createTokenRecord(c *core.Context, tokenRecord *models.TokenRecord) error {
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if tokenRecord.Uid <= 0 {
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return errs.ErrUserIdInvalid
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}
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if tokenRecord.UserTokenId <= 0 {
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return errs.ErrInvalidUserTokenId
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}
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return s.TokenDB(tokenRecord.Uid).DoTransaction(c, func(sess *xorm.Session) error {
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_, err := sess.Insert(tokenRecord)
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return err
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})
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}
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func (s *TokenService) getUserTokenId() int64 {
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nanoSeconds := time.Now().Nanosecond()
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randomNumber, _ := utils.GetRandomInteger(math.MaxInt32)
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userTokenId := (int64(nanoSeconds) << 32) | int64(randomNumber)
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return userTokenId
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}
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func (s *TokenService) getUserAgent(ctx *core.Context) string {
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userAgent := ""
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if ctx != nil && ctx.Request != nil {
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userAgent = ctx.Request.UserAgent()
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}
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if len(userAgent) > models.TokenMaxUserAgentLength {
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userAgent = utils.SubString(userAgent, 0, models.TokenMaxUserAgentLength)
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}
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return userAgent
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}
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