enhanced the api response handling in the secret verification (#4482)

pkg/detectors/sonarcloud/sonarcloud.go

@@ -2,23 +2,27 @@ package sonarcloud
 
 import (
 	"context"
-	regexp "github.com/wasilibs/go-re2"
+	"encoding/json"
+	"fmt"
 	"io"
 	"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{}
+type Scanner struct {
+	client *http.Client
+}
 
 // Ensure the Scanner satisfies the interface at compile time.
 var _ detectors.Detector = (*Scanner)(nil)
 
 var (
-	client = common.SaneHttpClient()
+	defaultClient = common.SaneHttpClient()
 
 	// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
 	keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"sonar"}) + `(?:^|[^@])\b([0-9a-z]{40})\b`)
@@ -30,43 +34,33 @@ func (s Scanner) Keywords() []string {
 	return []string{"sonar"}
 }
 
+func (s Scanner) getClient() *http.Client {
+	if s.client != nil {
+		return s.client
+	}
+
+	return defaultClient
+}
+
 // FromData will find and optionally verify SonarCloud 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])
+	uniqueTokenMatches := make(map[string]struct{})
+	for _, match := range keyPat.FindAllStringSubmatch(dataStr, -1) {
+		uniqueTokenMatches[match[1]] = struct{}{}
+	}
 
+	for match := range uniqueTokenMatches {
 		s1 := detectors.Result{
 			DetectorType: detectorspb.DetectorType_SonarCloud,
-			Raw:          []byte(resMatch),
+			Raw:          []byte(match),
 		}
 
 		if verify {
-			req, err := http.NewRequestWithContext(ctx, "GET", "https://"+resMatch+"@sonarcloud.io/api/authentication/validate", nil)
-			if err != nil {
-				continue
-			}
-			res, err := client.Do(req)
-			if err == nil {
-				bodyBytes, err := io.ReadAll(res.Body)
-				if err != nil {
-					continue
-				}
-
-				bodyString := string(bodyBytes)
-				validResponse := strings.Contains(bodyString, `"valid":true`)
-
-				defer res.Body.Close()
-				if res.StatusCode >= 200 && res.StatusCode < 300 {
-					if validResponse {
-						s1.Verified = true
-					}
-				}
-			}
-
+			isVerified, verificationErr := s.verifyMatch(ctx, s.getClient(), match)
+			s1.Verified = isVerified
+			s1.SetVerificationError(verificationErr, match)
 		}
 
 		results = append(results, s1)
@@ -75,6 +69,48 @@ func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (result
 	return results, nil
 }
 
+// verifyMatch attempts to validate a SonarCloud token.
+func (s Scanner) verifyMatch(ctx context.Context, client *http.Client, token string) (bool, error) {
+	url := "https://sonarcloud.io/api/authentication/validate"
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, http.NoBody)
+	if err != nil {
+		return false, fmt.Errorf("failed to create request: %w", err)
+	}
+
+	req.SetBasicAuth(token, "")
+	res, err := client.Do(req)
+	if err != nil {
+		return false, fmt.Errorf("failed to perform request: %w", err)
+	}
+
+	defer func() {
+		_, _ = io.Copy(io.Discard, res.Body)
+		_ = res.Body.Close()
+	}()
+
+	// The SonarCloud API always returns 200 OK, even for invalid tokens,
+	// with the validity indicated in the JSON body.
+	if res.StatusCode != http.StatusOK {
+		// Treat any non-200 status as a failed attempt to verify.
+		return false, fmt.Errorf("unexpected status code: %d", res.StatusCode)
+	}
+
+	bodyBytes, err := io.ReadAll(res.Body)
+	if err != nil {
+		return false, fmt.Errorf("failed to read response body: %w", err)
+	}
+
+	var resp struct {
+		Valid bool `json:"valid"`
+	}
+
+	if err := json.Unmarshal(bodyBytes, &resp); err != nil {
+		return false, fmt.Errorf("invalid JSON: %w", err)
+	}
+
+	return resp.Valid, nil
+}
+
 func (s Scanner) Type() detectorspb.DetectorType {
 	return detectorspb.DetectorType_SonarCloud
 }