39 lines
927 B
Go
39 lines
927 B
Go
package auth
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import (
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"context"
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"errors"
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"github.com/golang-jwt/jwt/v4"
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"github.com/openshift-online/ocm-sdk-go/authentication"
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)
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var ErrNoJWT = errors.New("request doesn't contain JWT")
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var ErrNoKey = errors.New("cannot find key in jwt claims")
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// GetFromClaims returns a value of JWT claim with the specified key
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//
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// Caller can specify multiple keys. The value of first one that exists and is
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// non-empty is returned.
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//
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// If no claim is found, NoKeyError is returned
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func GetFromClaims(ctx context.Context, keys []string) (string, error) {
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token, err := authentication.TokenFromContext(ctx)
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if err != nil {
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return "", err
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} else if token == nil {
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return "", ErrNoJWT
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}
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claims := token.Claims.(jwt.MapClaims)
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for _, f := range keys {
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value, exists := claims[f]
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valueStr, isString := value.(string)
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if exists && isString && valueStr != "" {
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return valueStr, nil
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}
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}
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return "", ErrNoKey
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}
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