added datadogtoken detector

This commit is contained in:
marlon pamisa 2022-01-18 22:19:05 -08:00 committed by Dustin Decker
parent 295b1f8220
commit c34e023973
2 changed files with 200 additions and 0 deletions

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@ -0,0 +1,86 @@
package datadogtoken
import (
"context"
// "fmt"
// "log"
"regexp"
"strings"
"net/http"
"github.com/trufflesecurity/trufflehog/pkg/common"
"github.com/trufflesecurity/trufflehog/pkg/detectors"
"github.com/trufflesecurity/trufflehog/pkg/pb/detectorspb"
)
type Scanner struct{}
// Ensure the Scanner satisfies the interface at compile time
var _ detectors.Detector = (*Scanner)(nil)
var (
client = common.SaneHttpClient()
//Make sure that your group is surrounded in boundry characters such as below to reduce false positives
keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"datadog"}) + `\b([a-zA-Z-0-9]{40})\b`)
apiPat = regexp.MustCompile(detectors.PrefixRegex([]string{"datadog"}) + `\b([a-zA-Z-0-9]{32})\b`)
)
// 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{"datadog"}
}
// FromData will find and optionally verify DatadogToken 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)
apiMatches := apiPat.FindAllStringSubmatch(dataStr, -1)
for _, match := range matches {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])
for _, apimatch := range apiMatches {
if len(apimatch) != 2 {
continue
}
resApiMatch := strings.TrimSpace(apimatch[1])
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_DatadogToken,
Raw: []byte(resMatch),
}
if verify {
req, _ := http.NewRequest("GET", "https://api.datadoghq.com/api/v2/users", nil)
req.Header.Add("Content-Type", "application/json")
req.Header.Add("DD-API-KEY", resApiMatch)
req.Header.Add("DD-APPLICATION-KEY", resMatch)
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
s1.Verified = true
} else {
//This function will check false positives for common test words, but also it will make sure the key appears 'random' enough to be a real key
if detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
}
}
}
results = append(results, s1)
}
}
return detectors.CleanResults(results), nil
}

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package datadogtoken
import (
"context"
"fmt"
"testing"
"time"
"github.com/kylelemons/godebug/pretty"
"github.com/trufflesecurity/trufflehog/pkg/detectors"
"github.com/trufflesecurity/trufflehog/pkg/common"
"github.com/trufflesecurity/trufflehog/pkg/pb/detectorspb"
)
func TestDatadogToken_FromChunk(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
testSecrets, err := common.GetScannersTestSecretsVersion(ctx, 3)
if err != nil {
t.Fatalf("could not get test secrets from GCP: %s", err)
}
secret := testSecrets.MustGetField("DATADOGTOKEN_TOKEN")
appKey := testSecrets.MustGetField("DATADOGTOKEN_APPKEY")
inactiveAppKey := testSecrets.MustGetField("DATADOGTOKEN_INACTIVE")
type args struct {
ctx context.Context
data []byte
verify bool
}
tests := []struct {
name string
s Scanner
args args
want []detectors.Result
wantErr bool
}{
{
name: "found, verified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a datadogtoken secret %s within datadog %s", appKey, secret)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_DatadogToken,
Verified: true,
},
},
wantErr: false,
},
{
name: "found, unverified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a datadogtoken secret %s within but datadog %s not valid", inactiveAppKey, secret)), // the secret would satisfy the regex but not pass validation
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_DatadogToken,
Verified: false,
},
},
wantErr: false,
},
{
name: "not found",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte("You cannot find the secret within"),
verify: true,
},
want: nil,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := Scanner{}
got, err := s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
if (err != nil) != tt.wantErr {
t.Errorf("DatadogToken.FromData() error = %v, wantErr %v", err, tt.wantErr)
return
}
for i := range got {
if len(got[i].Raw) == 0 {
t.Fatalf("no raw secret present: \n %+v", got[i])
}
got[i].Raw = nil
}
if diff := pretty.Compare(got, tt.want); diff != "" {
t.Errorf("DatadogToken.FromData() %s diff: (-got +want)\n%s", tt.name, diff)
}
})
}
}
func BenchmarkFromData(benchmark *testing.B) {
ctx := context.Background()
s := Scanner{}
for name, data := range detectors.MustGetBenchmarkData() {
benchmark.Run(name, func(b *testing.B) {
for n := 0; n < b.N; n++ {
s.FromData(ctx, false, data)
}
})
}
}