fix: fixed verification endpoint and verification logic for brand fetch

pkg/detectors/brandfetch/brandfetch.go → pkg/detectors/brandfetch/v1/brandfetch.go

@@ -16,9 +16,11 @@ import (
 
 type Scanner struct{}
 
+func (s Scanner) Version() int { return 1 }
+
 // Ensure the Scanner satisfies the interface at compile time.
 var _ detectors.Detector = (*Scanner)(nil)
-
+var _ detectors.Versioner = (*Scanner)(nil)
 var (
 	client = common.SaneHttpClient()
 
@@ -35,12 +37,9 @@ func (s Scanner) Keywords() []string {
 // FromData will find and optionally verify Brandfetch 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 {
 		resMatch := strings.TrimSpace(match[1])
-
 		s1 := detectors.Result{
 			DetectorType: detectorspb.DetectorType_Brandfetch,
 			Raw:          []byte(resMatch),
@@ -51,17 +50,13 @@ func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (result
 			s1.Verified = isVerified
 			s1.SetVerificationError(verificationErr)
 		}
-
 		results = append(results, s1)
 	}
-
 	return results, nil
 }
-
 func (s Scanner) Type() detectorspb.DetectorType {
 	return detectorspb.DetectorType_Brandfetch
 }
-
 func (s Scanner) Description() string {
 	return "Brandfetch is a service that provides brand data, including logos, colors, fonts, and more. Brandfetch API keys can be used to access this data."
 }

pkg/detectors/brandfetch/v1/brandfetch_test.go

@@ -0,0 +1,120 @@
+//go:build detectors
+// +build detectors
+
+package brandfetch
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/kylelemons/godebug/pretty"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
+)
+
+func TestBrandfetch_FromChunk(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+	defer cancel()
+	testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors1")
+	if err != nil {
+		t.Fatalf("could not get test secrets from GCP: %s", err)
+	}
+	secret := testSecrets.MustGetField("BRANDFETCH")
+	inactiveSecret := testSecrets.MustGetField("BRANDFETCH_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 brandfetch secret %s within", secret)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_Brandfetch,
+					Verified:     true,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "found, unverified",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a brandfetch secret %s within but not valid", inactiveSecret)), // the secret would satisfy the regex but not pass validation
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_Brandfetch,
+					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("Brandfetch.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("Brandfetch.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) {
+			b.ResetTimer()
+			for n := 0; n < b.N; n++ {
+				_, err := s.FromData(ctx, false, data)
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+	}
+}

pkg/detectors/brandfetch/v2/brandfetch.go

@@ -0,0 +1,101 @@
+package brandfetch
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+
+	regexp "github.com/wasilibs/go-re2"
+
+	"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 {
+	client *http.Client // Optional: allow custom client
+}
+
+var defaultClient = common.SaneHttpClient()
+
+func (s Scanner) Version() int { return 2 }
+
+// Ensure the Scanner satisfies the interface at compile time.
+var _ detectors.Detector = (*Scanner)(nil)
+var _ detectors.Versioner = (*Scanner)(nil)
+
+var (
+	// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
+	keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"brandfetch"}) + `\b([a-zA-Z0-9=+/\-_!@#$%^&*()]{44})`)
+)
+
+// 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{"brandfetch"}
+}
+
+// FromData will find and optionally verify Brandfetch 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{})
+	for _, match := range keyPat.FindAllStringSubmatch(dataStr, -1) {
+		if len(match) == 2 {
+			uniqueMatches[strings.TrimSpace(match[1])] = struct{}{}
+		}
+	}
+
+	for match := range uniqueMatches {
+		s1 := detectors.Result{
+			DetectorType: detectorspb.DetectorType_Brandfetch,
+			Raw:          []byte(match),
+		}
+
+		if verify {
+			client := s.client
+			if client == nil {
+				client = defaultClient
+			}
+			isVerified, extraData, verificationErr := verifyMatch(ctx, client, match)
+			s1.Verified = isVerified
+			s1.ExtraData = extraData
+			s1.SetVerificationError(verificationErr, match)
+		}
+
+		results = append(results, s1)
+	}
+
+	return results, nil
+}
+
+func verifyMatch(ctx context.Context, client *http.Client, token string) (bool, map[string]string, error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", "https://api.brandfetch.io/v2/brands/google.com", nil)
+	if err != nil {
+		return false, nil, err
+	}
+	req.Header.Add("Content-Type", "application/json")
+	req.Header.Add("Authorization", "Bearer "+token)
+	res, err := client.Do(req)
+	if err != nil {
+		return false, nil, err
+	}
+	defer res.Body.Close()
+
+	switch res.StatusCode {
+	case http.StatusOK:
+		return true, nil, nil
+	case http.StatusUnauthorized:
+		return false, nil, nil
+	default:
+		return false, nil, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
+	}
+}
+
+func (s Scanner) Type() detectorspb.DetectorType {
+	return detectorspb.DetectorType_Brandfetch
+}
+
+func (s Scanner) Description() string {
+	return "Brandfetch is a service that provides brand data, including logos, colors, fonts, and more. Brandfetch API keys can be used to access this data."
+}

pkg/engine/defaults/defaults.go

@@ -109,7 +109,8 @@
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/box"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/boxoauth"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/braintreepayments"
-	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch"
+	brandfetchV1 "github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch/v1"
+	brandfetchV2 "github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch/v2"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/browserstack"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/browshot"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/bscscan"
@@ -962,7 +963,7 @@
 		&box.Scanner{},
 		&boxoauth.Scanner{},
 		&braintreepayments.Scanner{},
 		&brandfetch.Scanner{},
 		&browserstack.Scanner{},
 		&browshot.Scanner{},
 		&bscscan.Scanner{},