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redis.go
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redis.go
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package uri
import (
"context"
"net/url"
"regexp"
"strings"
"github.com/go-redis/redis"
"github.com/trufflesecurity/trufflehog/v3/pkg/common"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
)
type Scanner struct {
allowKnownTestSites bool
}
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
var (
keyPat = regexp.MustCompile(`\bredis:\/\/[\S]{3,50}:([\S]{3,50})@[-.%\w\/:]+\b`)
client = common.SaneHttpClient()
)
// Keywords are used for efficiently pre-filtering chunks.
// Use identifiers in the secret preferably, or the provider name.
func (s Scanner) Keywords() []string {
return []string{"redis"}
}
// FromData will find and optionally verify URI secrets in a given set of bytes.
func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
dataStr := string(data)
matches := keyPat.FindAllStringSubmatch(dataStr, -1)
for _, match := range matches {
urlMatch := match[0]
password := match[1]
// Skip findings where the password only has "*" characters, this is a redacted password
if strings.Trim(password, "*") == "" {
continue
}
parsedURL, err := url.Parse(urlMatch)
if err != nil {
continue
}
if _, ok := parsedURL.User.Password(); !ok {
continue
}
redact := strings.TrimSpace(strings.Replace(urlMatch, password, strings.Repeat("*", len(password)), -1))
s := detectors.Result{
DetectorType: detectorspb.DetectorType_Redis,
Raw: []byte(urlMatch),
Redacted: redact,
}
if verify {
s.Verified = verifyRedis(ctx, parsedURL)
}
if !s.Verified {
// Skip unverified findings where the password starts with a `$` - it's almost certainly a variable.
if strings.HasPrefix(password, "$") {
continue
}
}
if !s.Verified && detectors.IsKnownFalsePositive(string(s.Raw), detectors.DefaultFalsePositives, false) {
continue
}
results = append(results, s)
}
return detectors.CleanResults(results), nil
}
func verifyRedis(ctx context.Context, u *url.URL) bool {
opt, err := redis.ParseURL(u.String())
if err != nil {
return false
}
client := redis.NewClient(opt)
status, err := client.Ping().Result()
if err == nil && status == "PONG" {
return true
}
return false
}