Added detector for JFrog Artifactory Reference Tokens

pkg/detectors/artifactoryreferencetoken/artifactoryreferencetoken.go

@@ -0,0 +1,166 @@
+package artifactoryreferencetoken
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+
+	regexp "github.com/wasilibs/go-re2"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/cache/simple"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
+)
+
+type Scanner struct {
+	client *http.Client
+	detectors.DefaultMultiPartCredentialProvider
+	detectors.EndpointSetter
+}
+
+var (
+	// Ensure the Scanner satisfies the interface at compile time.
+	_ detectors.Detector           = (*Scanner)(nil)
+	_ detectors.EndpointCustomizer = (*Scanner)(nil)
+
+	defaultClient = detectors.DetectorHttpClientWithNoLocalAddresses
+
+	// Reference tokens are base64-encoded strings starting with "reftkn:01|<version>:<expiry>:<random>"
+	// The base64 encoding of "reftkn" is "cmVmdGtu", total length is always 64 characters
+	tokenPat = regexp.MustCompile(`\b(cmVmdGtu[A-Za-z0-9]{56})\b`)
+	urlPat   = regexp.MustCompile(`\b([A-Za-z0-9][A-Za-z0-9\-]{0,61}[A-Za-z0-9]\.jfrog\.io)`)
+
+	invalidHosts = simple.NewCache[struct{}]()
+	errNoHost    = errors.New("no such host")
+)
+
+func (Scanner) CloudEndpoint() string { return "" }
+
+// Keywords are used for efficiently pre-filtering chunks.
+func (s Scanner) Keywords() []string {
+	return []string{"cmVmdGtu"}
+}
+
+func (s Scanner) getClient() *http.Client {
+	if s.client != nil {
+		return s.client
+	}
+
+	return defaultClient
+}
+
+// FromData will find and optionally verify Artifactory Reference tokens 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)
+
+	var uniqueTokens, uniqueUrls = make(map[string]struct{}), make(map[string]struct{})
+
+	for _, match := range tokenPat.FindAllStringSubmatch(dataStr, -1) {
+		uniqueTokens[match[1]] = struct{}{}
+	}
+
+	foundUrls := make([]string, 0)
+	for _, match := range urlPat.FindAllStringSubmatch(dataStr, -1) {
+		foundUrls = append(foundUrls, match[1])
+	}
+
+	// Add found + configured endpoints to the list
+	for _, endpoint := range s.Endpoints(foundUrls...) {
+		// If any configured endpoint has `https://` remove it because we append that during verification
+		endpoint = strings.TrimPrefix(endpoint, "https://")
+		uniqueUrls[endpoint] = struct{}{}
+	}
+
+	for token := range uniqueTokens {
+		for url := range uniqueUrls {
+			if invalidHosts.Exists(url) {
+				continue
+			}
+
+			s1 := detectors.Result{
+				DetectorType: detectorspb.DetectorType_ArtifactoryReferenceToken,
+				Raw:          []byte(token),
+				RawV2:        []byte(token + url),
+			}
+
+			if verify {
+				isVerified, verificationErr := verifyToken(ctx, s.getClient(), url, token)
+				s1.Verified = isVerified
+				if verificationErr != nil {
+					if errors.Is(verificationErr, errNoHost) {
+						invalidHosts.Set(url, struct{}{})
+						continue
+					}
+
+					s1.SetVerificationError(verificationErr, token)
+				}
+
+				if isVerified {
+					s1.AnalysisInfo = map[string]string{
+						"domain": url,
+						"token":  token,
+					}
+				}
+			}
+
+			results = append(results, s1)
+		}
+	}
+
+	return results, nil
+}
+
+func verifyToken(ctx context.Context, client *http.Client, host, token string) (bool, error) {
+	// https://jfrog.com/help/r/jfrog-rest-apis/get-token-by-id
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet,
+		"https://"+host+"/access/api/v1/tokens/me", http.NoBody)
+	if err != nil {
+		return false, err
+	}
+
+	req.Header.Set("Authorization", "Bearer "+token)
+	resp, err := client.Do(req)
+	if err != nil {
+		if strings.Contains(err.Error(), "no such host") {
+			return false, errNoHost
+		}
+		return false, err
+	}
+
+	defer func() {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		_ = resp.Body.Close()
+	}()
+
+	switch resp.StatusCode {
+	case http.StatusOK:
+		// JFrog returns 200 with HTML for invalid subdomains, so we need to check Content-Type
+		contentType := resp.Header.Get("Content-Type")
+		if strings.Contains(contentType, "application/json") {
+			return true, nil
+		}
+		// HTML response indicates invalid subdomain/redirect - treat as invalid host
+		return false, errNoHost
+	case http.StatusForbidden:
+		// 403 - the authenticated principal has no permissions to get the token
+		return true, nil
+	case http.StatusUnauthorized:
+		// 401 - invalid/expired token
+		return false, nil
+	default:
+		// 404 - endpoint not found (possibly wrong URL or old Artifactory version)
+		// 302 and 500+
+		return false, fmt.Errorf("unexpected HTTP response status %d", resp.StatusCode)
+	}
+}
+
+func (s Scanner) Type() detectorspb.DetectorType {
+	return detectorspb.DetectorType_ArtifactoryReferenceToken
+}
+
+func (s Scanner) Description() string {
+	return "JFrog Artifactory is a binary repository manager. Reference tokens are 64-character access tokens that can be used to authenticate API requests, providing access to repositories, builds, and artifacts."
+}

pkg/detectors/artifactoryreferencetoken/artifactoryreferencetoken_integration_test.go

@@ -0,0 +1,165 @@
+//go:build detectors
+// +build detectors
+
+package artifactoryreferencetoken
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
+)
+
+func TestArtifactoryreferencetoken_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)
+	}
+
+	instanceURL := testSecrets.MustGetField("ARTIFACTORY_URL")
+	secret := testSecrets.MustGetField("ARTIFACTORYREFERENCETOKEN")
+	inactiveSecret := testSecrets.MustGetField("ARTIFACTORYREFERENCETOKEN_INACTIVE")
+
+	type args struct {
+		ctx    context.Context
+		data   []byte
+		verify bool
+	}
+	tests := []struct {
+		name                string
+		s                   Scanner
+		args                args
+		want                []detectors.Result
+		wantErr             bool
+		wantVerificationErr bool
+	}{
+		{
+			name: "found, verified",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a artifactoryreferencetoken secret %s and domain %s within", secret, instanceURL)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_ArtifactoryReferenceToken,
+					Verified:     true,
+				},
+			},
+			wantErr:             false,
+			wantVerificationErr: false,
+		},
+		{
+			name: "found, unverified",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a artifactoryreferencetoken secret %s and domain %s within but not valid", inactiveSecret, instanceURL)), // the secret would satisfy the regex but not pass validation
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_ArtifactoryReferenceToken,
+					Verified:     false,
+				},
+			},
+			wantErr:             false,
+			wantVerificationErr: 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,
+			wantVerificationErr: false,
+		},
+		{
+			name: "found, would be verified if not for timeout",
+			s:    Scanner{client: common.SaneHttpClientTimeOut(1 * time.Microsecond)},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a artifactoryreferencetoken secret %s and domain %s within", secret, instanceURL)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_ArtifactoryReferenceToken,
+					Verified:     false,
+				},
+			},
+			wantErr:             false,
+			wantVerificationErr: true,
+		},
+		{
+			name: "found, verified but unexpected api surface",
+			s:    Scanner{client: common.ConstantResponseHttpClient(302, "")},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a artifactoryreferencetoken secret %s and domain %s within", secret, instanceURL)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_ArtifactoryReferenceToken,
+					Verified:     false,
+				},
+			},
+			wantErr:             false,
+			wantVerificationErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tt.s.UseFoundEndpoints(true)
+
+			got, err := tt.s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Artifactoryreferencetoken.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])
+				}
+				if (got[i].VerificationError() != nil) != tt.wantVerificationErr {
+					t.Fatalf("wantVerificationError = %v, verification error = %v", tt.wantVerificationErr, got[i].VerificationError())
+				}
+			}
+			ignoreOpts := cmpopts.IgnoreFields(detectors.Result{}, "Raw", "RawV2", "verificationError", "primarySecret", "AnalysisInfo")
+			if diff := cmp.Diff(got, tt.want, ignoreOpts); diff != "" {
+				t.Errorf("Artifactoryreferencetoken.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)
+				}
+			}
+		})
+	}
+}