mirror of
https://github.com/OffchainLabs/prysm.git
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774b9a7159
* Migrate Prysm repo to Offchain Labs organization ahead of Pectra upgrade v6 * Replace prysmaticlabs with OffchainLabs on general markdowns * Update mock * Gazelle and add mock.go to excluded generated mock file
33 lines
947 B
Go
33 lines
947 B
Go
package api
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import (
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"github.com/OffchainLabs/prysm/v6/crypto/rand"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/pkg/errors"
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)
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// GenerateRandomHexString generates a random hex string that follows the standards for jwt token
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// used for beacon node -> execution client
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// used for web client -> validator client
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func GenerateRandomHexString() (string, error) {
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secret := make([]byte, 32)
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randGen := rand.NewGenerator()
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n, err := randGen.Read(secret)
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if err != nil {
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return "", err
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} else if n != 32 {
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return "", errors.New("rand: unexpected length")
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}
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return hexutil.Encode(secret), nil
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}
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// ValidateAuthToken validating auth token for web
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func ValidateAuthToken(token string) error {
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b, err := hexutil.Decode(token)
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// token should be hex-encoded and at least 256 bits
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if err != nil || len(b) < 32 {
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return errors.New("invalid auth token: token should be hex-encoded and at least 256 bits")
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}
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return nil
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}
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