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33 lines
698 B
33 lines
698 B
package jwt
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import (
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"encoding/base64"
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"errors"
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"github.com/golang-jwt/jwt/v5"
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)
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// Verify 验证令牌
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func Verify(tokenString string) (*Claims, error) {
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bts, err := base64.RawURLEncoding.DecodeString(tokenString)
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if err != nil {
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return nil, err
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}
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var claims Claims
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token, err := jwt.ParseWithClaims(string(bts), &claims, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok {
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return nil, ErrInvalidToken
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}
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return publicKey, nil
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})
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if err != nil {
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if errors.Is(err, jwt.ErrTokenExpired) {
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return &claims, ErrTokenExpired
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}
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return nil, err
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}
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if !token.Valid {
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return nil, ErrInvalidToken
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}
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return &claims, nil
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}
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