29 lines
527 B
Go
29 lines
527 B
Go
package jwt
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import (
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"fmt"
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"github.com/golang-jwt/jwt/v5"
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)
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func Parse(
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tokenStr string,
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method jwt.SigningMethod,
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key any,
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) (jwt.Claims, error) {
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t, err := jwt.Parse(tokenStr, func(tok *jwt.Token) (any, error) {
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if tok.Method.Alg() != method.Alg() {
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return nil, fmt.Errorf("unexpected signing method")
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}
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return key, nil
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})
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if err != nil {
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return nil, err
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}
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// check validity twice: invalid token may return nil error
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if !t.Valid {
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return nil, fmt.Errorf("invalid token")
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}
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return t.Claims, nil
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}
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