66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
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package jwt
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import (
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"fmt"
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"github.com/WHUPRJ/woj-server/internal/e"
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"github.com/WHUPRJ/woj-server/pkg/utils"
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"github.com/golang-jwt/jwt/v4"
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"go.uber.org/zap"
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"time"
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)
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func (s *service) ParseToken(tokenText string) (*Claim, e.Err) {
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if tokenText == "" {
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return nil, e.TokenEmpty
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}
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token, err := jwt.ParseWithClaims(
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tokenText,
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&Claim{},
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func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return s.SigningKey, nil
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})
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if ve, ok := err.(*jwt.ValidationError); ok {
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if ve.Errors&jwt.ValidationErrorMalformed != 0 {
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return nil, e.TokenMalformed
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} else if ve.Errors&(jwt.ValidationErrorExpired|jwt.ValidationErrorNotValidYet) != 0 {
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// Token is either expired or not active yet
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return nil, e.TokenTimeError
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} else {
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return nil, e.TokenInvalid
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}
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} else if err != nil {
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s.log.Warn("JWT Token Parse Error", zap.Error(err))
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return nil, e.TokenUnknown
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}
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if token.Valid {
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c := token.Claims.(*Claim)
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return c, e.Success
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}
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return nil, e.TokenInvalid
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}
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func (s *service) SignClaim(claim *Claim) (string, e.Err) {
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now := time.Now()
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claim.IssuedAt = jwt.NewNumericDate(now)
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claim.ExpiresAt = jwt.NewNumericDate(now.Add(time.Duration(s.ExpireHour) * time.Hour))
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claim.ID = utils.RandomString(16)
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// TODO: use per-user claim.Version to tracker invalidation
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claim.NotBefore = jwt.NewNumericDate(time.Now())
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token := jwt.NewWithClaims(jwt.SigningMethodHS512, claim)
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ss, err := token.SignedString(s.SigningKey)
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if err != nil {
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s.log.Warn("jwt.SignedString error", zap.Error(err))
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return "", e.TokenSignError
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}
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return ss, e.Success
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}
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