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kafka_scram_client.go
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kafka_scram_client.go
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package scalers
import (
"crypto/sha256"
"crypto/sha512"
"hash"
"github.com/xdg/scram"
)
// SHA256 hash generator function for SCRAM conversation
var SHA256 scram.HashGeneratorFcn = func() hash.Hash { return sha256.New() }
// SHA512 hash generator function for SCRAM converstaion
var SHA512 scram.HashGeneratorFcn = func() hash.Hash { return sha512.New() }
// XDGSCRAMClient struct to perform SCRAM conversation
type XDGSCRAMClient struct {
*scram.Client
*scram.ClientConversation
scram.HashGeneratorFcn
}
// Begin starts SCRAM conversation
func (x *XDGSCRAMClient) Begin(userName, password, authzID string) (err error) {
x.Client, err = x.HashGeneratorFcn.NewClient(userName, password, authzID)
if err != nil {
return err
}
x.ClientConversation = x.Client.NewConversation()
return nil
}
// Step performs step in SCRAM conversation
func (x *XDGSCRAMClient) Step(challenge string) (response string, err error) {
response, err = x.ClientConversation.Step(challenge)
return
}
// Done completes SCRAM conversation
func (x *XDGSCRAMClient) Done() bool {
return x.ClientConversation.Done()
}