Added new detector for Twilio APIKey

pkg/detectors/twilioapikey/twilioapikey.go

@@ -0,0 +1,135 @@
+package twilioapikey
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	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 {
+	detectors.DefaultMultiPartCredentialProvider
+	client *http.Client
+}
+
+// Ensure the Scanner satisfies the interface at compile time.
+var _ detectors.Detector = (*Scanner)(nil)
+
+var (
+	defaultClient = common.SaneHttpClient()
+	apiKeyPat     = regexp.MustCompile(`\bSK[a-zA-Z0-9]{32}\b`)
+	secretPat     = regexp.MustCompile(`\b[0-9a-zA-Z]{32}\b`)
+)
+
+type serviceResponse struct {
+	Services []struct {
+		FriendlyName string `json:"friendly_name"` // friendly name of a service
+		SID          string `json:"sid"`           // object id of service
+		AccountSID   string `json:"account_sid"`   // account sid
+	} `json:"services"`
+}
+
+func (s Scanner) getClient() *http.Client {
+	if s.client != nil {
+		return s.client
+	}
+
+	return defaultClient
+}
+
+// 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{"twilio"}
+}
+
+// FromData will find and optionally verify Twilio 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)
+
+	apiKeyMatches := apiKeyPat.FindAllString(dataStr, -1)
+	secretMatches := secretPat.FindAllString(dataStr, -1)
+
+	for _, apiKey := range apiKeyMatches {
+		for _, secret := range secretMatches {
+			s1 := detectors.Result{
+				DetectorType: detectorspb.DetectorType_Twilio,
+				Raw:          []byte(apiKey),
+				RawV2:        []byte(apiKey + secret),
+				Redacted:     secret,
+				ExtraData:    make(map[string]string),
+			}
+
+			if verify {
+				extraData, isVerified, verificationErr := verifyTwilioAPIKey(ctx, s.getClient(), apiKey, secret)
+				s1.Verified = isVerified
+				s1.SetVerificationError(verificationErr)
+
+				for key, value := range extraData {
+					s1.ExtraData[key] = value
+				}
+
+				if s1.Verified {
+					s1.AnalysisInfo = map[string]string{"key": apiKey, "sid": secret}
+				}
+			}
+
+			results = append(results, s1)
+		}
+	}
+
+	return results, nil
+}
+
+func (s Scanner) Type() detectorspb.DetectorType {
+	return detectorspb.DetectorType_TwilioApiKey
+}
+
+func (s Scanner) Description() string {
+	return "Twilio is a cloud communications platform that allows software developers to programmatically make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs."
+}
+
+func verifyTwilioAPIKey(ctx context.Context, client *http.Client, apiKey, secret string) (map[string]string, bool, error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", "https://verify.twilio.com/v2/Services", nil)
+	if err != nil {
+		return nil, false, nil
+	}
+
+	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Add("Accept", "*/*")
+	req.SetBasicAuth(apiKey, secret)
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, false, nil
+	}
+	defer func() {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		_ = resp.Body.Close()
+	}()
+
+	switch resp.StatusCode {
+	case http.StatusOK:
+		extraData := make(map[string]string)
+		var serviceResponse serviceResponse
+
+		if err := json.NewDecoder(resp.Body).Decode(&serviceResponse); err == nil && len(serviceResponse.Services) > 0 { // no error in parsing and have at least one service
+			service := serviceResponse.Services[0]
+			extraData["friendly_name"] = service.FriendlyName
+			extraData["account_sid"] = service.AccountSID
+		}
+
+		return extraData, true, nil
+	case http.StatusUnauthorized, http.StatusForbidden:
+		return nil, false, nil
+	default:
+		return nil, false, fmt.Errorf("unexpected HTTP response status %d", resp.StatusCode)
+	}
+}

pkg/detectors/twilioapikey/twilioapikey_integration_test.go

@@ -0,0 +1,135 @@
+//go:build detectors
+// +build detectors
+
+package twilioapikey
+
+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 TestTwilioAPIKey_FromChunk(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+	defer cancel()
+	testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors5")
+	if err != nil {
+		t.Fatalf("could not get test secrets from GCP: %s", err)
+	}
+
+	secret := testSecrets.MustGetField("TWILLIO_SECRET")
+	secretInactive := testSecrets.MustGetField("TWILLIO_SECRET_INACTIVE")
+	apiKey := testSecrets.MustGetField("TWILLIO_APIKEY")
+
+	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 twillio secret %s within awsId %s", secret, apiKey)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_Twilio,
+					Verified:     true,
+					Redacted:     secret,
+					RawV2:        []byte(apiKey + secret),
+					ExtraData: map[string]string{
+						"account_sid":   "ACa5b6165773490f33f226d71e7ffacff5",
+						"friendly_name": "MyServiceName",
+					},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "found, not verified",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte(fmt.Sprintf("You can find a twillio secret %s within awsId %s", secretInactive, apiKey)),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detectorspb.DetectorType_Twilio,
+					Verified:     false,
+					Redacted:     secretInactive,
+					RawV2:        []byte(apiKey + secretInactive),
+					ExtraData:    map[string]string{},
+				},
+			},
+			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) {
+			got, err := tt.s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Twilio.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", "verificationError", "AnalysisInfo")
+			if diff := cmp.Diff(got, tt.want, ignoreOpts); diff != "" {
+				t.Errorf("Twilio.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/twilioapikey/twilioapikey_test.go

@@ -0,0 +1,83 @@
+package twilioapikey
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/engine/ahocorasick"
+)
+
+var (
+	validAPIKey   = "SKbddcfb88fake8f7c4d9aefake7de1fc5"
+	invalidAPIKey = "SK_bddcfb88fake8f7c4d9aefake7de1fc"
+	validSecret   = "k7JXtY3WBtUqthisisfakeZDqVcjZxYI"
+	invalidSecret = "k6JXtY3WBtU$thisisfakeZDqVcjZxYI"
+	keyword       = "twilio"
+)
+
+func TestTwilioAPIKey_Pattern(t *testing.T) {
+	d := Scanner{}
+	ahoCorasickCore := ahocorasick.NewAhoCorasickCore([]detectors.Detector{d})
+	tests := []struct {
+		name  string
+		input string
+		want  []string
+	}{
+		{
+			name:  "valid pattern - with keyword twilio",
+			input: fmt.Sprintf("%s token - '%s'\n%s token - '%s'\n", keyword, validAPIKey, keyword, validSecret),
+			want:  []string{validAPIKey + validSecret},
+		},
+		{
+			name:  "invalid pattern",
+			input: fmt.Sprintf("%s token - '%s'\n%s token - '%s'\n", keyword, invalidAPIKey, keyword, invalidSecret),
+			want:  []string{},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			matchedDetectors := ahoCorasickCore.FindDetectorMatches([]byte(test.input))
+			if len(matchedDetectors) == 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

@@ -737,6 +737,7 @@ import (
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/trufflehogenterprise"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twelvedata"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twilio"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twilioapikey"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twist"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twitch"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/twitchaccesstoken"
@@ -1582,6 +1583,7 @@ func buildDetectorList() []detectors.Detector {
 		&trufflehogenterprise.Scanner{},
 		&twelvedata.Scanner{},
 		&twilio.Scanner{},
+		&twilioapikey.Scanner{},
 		&twist.Scanner{},
 		&twitch.Scanner{},
 		&twitchaccesstoken.Scanner{},