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3c0dbf5e9b
We would sometimes return nil cast to an interface with no error, which would cause the server to crash with a null dereference.
34 lines
683 B
Go
34 lines
683 B
Go
package token
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import (
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"errors"
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"os"
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)
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var ErrUsernameRequired = errors.New("username required")
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type Token interface {
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Check(host, group string, username *string) (string, []string, error)
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}
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func Parse(token string, keys []map[string]interface{}) (Token, error) {
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// both getStateful and parseJWT may return nil, which we
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// shouldn't cast into an interface. Be very careful.
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s, err1 := getStateful(token)
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if err1 == nil && s != nil {
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return s, nil
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}
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jwt, err2 := parseJWT(token, keys)
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if err2 == nil && jwt != nil {
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return jwt, nil
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}
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if err1 != nil {
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return nil, err1
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} else if err2 != nil {
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return nil, err2
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} else {
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return nil, os.ErrNotExist
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}
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}
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