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sasl_authenticate_request.go
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sasl_authenticate_request.go
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package healer
import (
"encoding/binary"
"fmt"
"strings"
)
type SaslAuth interface {
Encode() []byte
}
/*
SaslAuthenticate API (Key: 36):
Requests:
SaslAuthenticate Request (Version: 0) => sasl_auth_bytes
sasl_auth_bytes => BYTES
FIELD DESCRIPTION
sasl_auth_bytes SASL authentication bytes from client as defined by the SASL mechanism.
*/
// version0
type SaslAuthenticateRequest struct {
*RequestHeader
SaslAuthBytes []byte
}
func NewSaslAuthenticateRequest(clientID string, user, password, typ string) (r SaslAuthenticateRequest) {
var saslAuth SaslAuth
switch strings.ToLower(typ) {
case "plain":
saslAuth = NewPlainSasl(user, password)
default:
logger.Error(fmt.Errorf("%s NOT support for now", typ), "not supported sasl type")
return r
}
requestHeader := &RequestHeader{
APIKey: API_SaslAuthenticate,
ClientID: clientID,
}
saslAuthBytes := saslAuth.Encode()
return SaslAuthenticateRequest{requestHeader, saslAuthBytes}
}
func (r *SaslAuthenticateRequest) Length() int {
l := r.RequestHeader.length()
return l + 4 + len(r.SaslAuthBytes)
}
// Encode encodes SaslAuthenticateRequest to []byte
func (r SaslAuthenticateRequest) Encode(version uint16) []byte {
requestLength := r.Length()
payload := make([]byte, requestLength+4)
offset := 0
binary.BigEndian.PutUint32(payload[offset:], uint32(requestLength))
offset += 4
offset += r.RequestHeader.Encode(payload[offset:])
binary.BigEndian.PutUint32(payload[offset:], uint32(len(r.SaslAuthBytes)))
offset += 4
copy(payload[offset:], r.SaslAuthBytes)
return payload
}