[detector] feat: Rootly Webhook Detector

pkg/detectors/rootlywebhook/rootlywebhook.go

@@ -0,0 +1,108 @@
+package rootlywebhook
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/http"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
+	regexp "github.com/wasilibs/go-re2"
+)
+
+type Scanner struct{}
+
+// Ensure the Scanner satisfies the interface at compile time.
+var _ detectors.Detector = (*Scanner)(nil)
+
+var (
+	client = common.SaneHttpClient()
+
+	// Rootly webhook tokens are 64 character hex strings
+	keyPat = regexp.MustCompile(`\b([a-f0-9]{64})\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{"webhooks.rootly.com"}
+}
+
+// FromData will find and optionally verify RootlyWebhook 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)
+	uniqueMatches := make(map[string]struct{})
+
+	// Look for potential webhook tokens
+	for _, match := range keyPat.FindAllStringSubmatch(dataStr, -1) {
+		uniqueMatches[match[1]] = struct{}{}
+	}
+
+	for match := range uniqueMatches {
+		s1 := detectors.Result{
+			DetectorType: detectorspb.DetectorType_RootlyWebhook,
+			Raw:          []byte(match),
+		}
+
+		if verify {
+			isVerified, verificationErr := verifyMatch(ctx, client, match)
+			s1.Verified = isVerified
+			s1.SetVerificationError(verificationErr, match)
+		}
+
+		results = append(results, s1)
+	}
+
+	return results, nil
+}
+
+func verifyMatch(ctx context.Context, client *http.Client, token string) (bool, error) {
+	// We don't want to actually create alerts in Rootly. To verify tokens without spamming them,
+	// we send a payload that typically causes a 500 error (parsing issue) but still validates the auth.
+	// The expected scenario is 500 which means the key is working but the payload format causes an error.
+	// In case 200 comes, it means an actual alert has been created in Rootly (hopefully this never happens).
+	payload := bytes.NewReader([]byte(`{"rootly":["TruffleHog"]}`))
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, "https://webhooks.rootly.com/webhooks/incoming/generic_webhooks", payload)
+	if err != nil {
+		return false, err
+	}
+
+	req.Header.Add("Authorization", "Bearer "+token)
+	req.Header.Add("Content-Type", "application/json")
+
+	res, err := client.Do(req)
+	if err != nil {
+		return false, err
+	}
+	defer res.Body.Close()
+
+	switch res.StatusCode {
+	case http.StatusOK:
+		// 200: Successfully processed the webhook - this means an actual alert was created in Rootly.
+		// Hopefully this never happens, but we at least know the token is verified.
+		return true, nil
+	case http.StatusInternalServerError:
+		// 500: Auth is valid but there was a server error (e.g., parsing issue with our test payload)
+		// This is the expected response that indicates the token is valid without creating alerts.
+		return true, nil
+	case http.StatusNotFound:
+		// 404: Integration/webhook not found - token is invalid
+		return false, nil
+	case http.StatusUnauthorized:
+		// 401: Unauthorized - token is invalid
+		return false, nil
+	default:
+		return false, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
+	}
+}
+
+func (s Scanner) Type() detectorspb.DetectorType {
+	return detectorspb.DetectorType_RootlyWebhook
+}
+
+func (s Scanner) Description() string {
+	return "Rootly webhook tokens are used to create alerts using incoming webhook requests to its incident management platform."
+}

pkg/detectors/rootlywebhook/rootlywebhook_integration_test.go

@@ -0,0 +1,104 @@
+//go:build detectors
+// +build detectors
+
+package rootlywebhook
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/kylelemons/godebug/pretty"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
+)
+
+func TestRootlyWebhook_FromChunk(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+	defer cancel()
+	testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors6")
+	if err != nil {
+		t.Fatalf("could not get test secrets from GCP: %s", err)
+	}
+	secret := testSecrets.MustGetField("ROOTLYWEBHOOK_TOKEN")
+	inactiveSecret := testSecrets.MustGetField("ROOTLYWEBHOOK_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("rootly webhook token: %s", secret)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_RootlyWebhook,
+					Verified:     true,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "found, unverified",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("rootly webhook secret %s but not valid", inactiveSecret)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_RootlyWebhook,
+					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("RootlyWebhook.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("RootlyWebhook.FromData() %s diff: (-got +want)\n%s", tt.name, diff)
+			}
+		})
+	}
+}

pkg/detectors/rootlywebhook/rootlywebhook_test.go

@@ -0,0 +1,80 @@
+package rootlywebhook
+
+import (
+	"context"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/engine/ahocorasick"
+)
+
+func TestRootlyWebhook_Pattern(t *testing.T) {
+	d := Scanner{}
+	ahoCorasickCore := ahocorasick.NewAhoCorasickCore([]detectors.Detector{d})
+
+	tests := []struct {
+		name  string
+		input string
+		want  []string
+	}{
+		{
+			name:  "valid pattern",
+			input: "https://webhooks.rootly.com/webhooks/incoming/generic_webhooks?secret=84942ab61f62d34f98511711fd59cedc35bb3a217e6a2399d50a62c01fc4ee9a",
+			want:  []string{"84942ab61f62d34f98511711fd59cedc35bb3a217e6a2399d50a62c01fc4ee9a"},
+		},
+		{
+			name:  "valid pattern 2",
+			input: "curl -H \"Authorization: Bearer 84942ab61f62d34f98511711fd59cedc35bb3a217e6a2399d50a62c01fc4ee9a\" https://webhooks.rootly.com/webhooks/incoming/generic_webhooks",
+			want:  []string{"84942ab61f62d34f98511711fd59cedc35bb3a217e6a2399d50a62c01fc4ee9a"},
+		},
+		{
+			name:  "invalid pattern - short",
+			input: "84942ab61f62d34f98511711fd59cedc35bb3a217e6a2399d50a62c01fc4ee9", // 63 chars
+			want:  nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			matchedDetectors := ahoCorasickCore.FindDetectorMatches([]byte(test.input))
+			if len(matchedDetectors) == 0 && len(test.want) > 0 {
+				t.Errorf("keywords '%v' not matched by: %s", d.Keywords(), test.input)
+				return
+			}
+
+			results, err := d.FromData(context.Background(), false, []byte(test.input))
+			if err != nil {
+				t.Errorf("error = %v", err)
+				return
+			}
+
+			if len(results) != len(test.want) {
+				if len(results) == 0 {
+					t.Errorf("did not receive result")
+				} else {
+					t.Errorf("expected %d results, only received %d", len(test.want), len(results))
+				}
+				return
+			}
+
+			actual := make(map[string]struct{}, len(results))
+			for _, r := range results {
+				if len(r.RawV2) > 0 {
+					actual[string(r.RawV2)] = struct{}{}
+				} else {
+					actual[string(r.Raw)] = struct{}{}
+				}
+			}
+			expected := make(map[string]struct{}, len(test.want))
+			for _, v := range test.want {
+				expected[v] = struct{}{}
+			}
+
+			if diff := cmp.Diff(expected, actual); diff != "" {
+				t.Errorf("%s diff: (-want +got)\n%s", test.name, diff)
+			}
+		})
+	}
+}

pkg/engine/defaults/defaults.go

@@ -618,6 +618,7 @@ import (
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/robinhoodcrypto"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/rocketreach"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/rootly"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/rootlywebhook"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/route4me"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/rownd"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/rubygems"
@@ -1498,6 +1499,7 @@ func buildDetectorList() []detectors.Detector {
 		&rocketreach.Scanner{},
 		// &rockset.Scanner{},
 		&rootly.Scanner{},
+		&rootlywebhook.Scanner{},
 		&route4me.Scanner{},
 		&rownd.Scanner{},
 		&rubygems.Scanner{},

proto/detectors.proto

@@ -1048,6 +1048,7 @@ enum DetectorType {
   HashiCorpVaultAuth = 1036;
   PhraseAccessToken = 1037;
   Photoroom = 1038;
+  RootlyWebhook = 1039;
 }
 
 message Result {