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Use existing functions from xdg-go/scram pkg #3481

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Jan 18, 2022
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6 changes: 1 addition & 5 deletions pkg/kafka/auth/config.go
Original file line number Diff line number Diff line change
Expand Up @@ -68,11 +68,7 @@ func (config *AuthenticationConfig) SetConfiguration(saramaConfig *sarama.Config
setKerberosConfiguration(&config.Kerberos, saramaConfig)
return nil
case plaintext:
err := setPlainTextConfiguration(&config.PlainText, saramaConfig)
if err != nil {
return err
}
return nil
return setPlainTextConfiguration(&config.PlainText, saramaConfig)
default:
return fmt.Errorf("Unknown/Unsupported authentication method %s to kafka cluster", config.Authentication)
}
Expand Down
17 changes: 8 additions & 9 deletions pkg/kafka/auth/plaintext.go
Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,7 @@
package auth

import (
"crypto/sha256"
"crypto/sha512"
"fmt"
"hash"
"strings"

"github.com/Shopify/sarama"
Expand Down Expand Up @@ -65,20 +62,22 @@ type PlainTextConfig struct {

var _ sarama.SCRAMClient = (*scramClient)(nil)

func clientGenFunc(hashFn scram.HashGeneratorFcn) func() sarama.SCRAMClient {
return func() sarama.SCRAMClient {
return &scramClient{HashGeneratorFcn: hashFn}
}
}

func setPlainTextConfiguration(config *PlainTextConfig, saramaConfig *sarama.Config) error {
saramaConfig.Net.SASL.Enable = true
saramaConfig.Net.SASL.User = config.Username
saramaConfig.Net.SASL.Password = config.Password
switch strings.ToUpper(config.Mechanism) {
case "SCRAM-SHA-256":
saramaConfig.Net.SASL.SCRAMClientGeneratorFunc = func() sarama.SCRAMClient {
return &scramClient{HashGeneratorFcn: func() hash.Hash { return sha256.New() }}
}
saramaConfig.Net.SASL.SCRAMClientGeneratorFunc = clientGenFunc(scram.SHA256)
saramaConfig.Net.SASL.Mechanism = sarama.SASLTypeSCRAMSHA256
case "SCRAM-SHA-512":
saramaConfig.Net.SASL.SCRAMClientGeneratorFunc = func() sarama.SCRAMClient {
return &scramClient{HashGeneratorFcn: func() hash.Hash { return sha512.New() }}
}
saramaConfig.Net.SASL.SCRAMClientGeneratorFunc = clientGenFunc(scram.SHA512)
saramaConfig.Net.SASL.Mechanism = sarama.SASLTypeSCRAMSHA512
case "PLAIN":
saramaConfig.Net.SASL.Mechanism = sarama.SASLTypePlaintext
Expand Down