Muneeb Ullah Khan
d3b5487298
* Added Duffel Test Token Detector * regen protos and added secret parts
145 lines
3.1 KiB
Go
145 lines
3.1 KiB
Go
package duffeltoken
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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regexp "github.com/wasilibs/go-re2"
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"github.com/trufflesecurity/trufflehog/v3/pkg/common"
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"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detector_typepb"
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)
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type Scanner struct {
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client *http.Client
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}
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// Compile-time interface check
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var _ detectors.Detector = (*Scanner)(nil)
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var (
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defaultClient = detectors.NewClientWithDedup(common.SaneHttpClient())
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// Duffel test token pattern
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// Format: (duffel_test_ or duffel_live_) + 43 alphanumeric / dash / underscore characters
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duffelTestTokenPat = regexp.MustCompile(
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`\b(duffel_(test|live)_[A-Za-z0-9_-]{43})(?:$|[^A-Za-z0-9_-])`,
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)
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)
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// Keywords used for fast pre-filtering
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func (s Scanner) Keywords() []string {
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return []string{"duffel_test_", "duffel_live_"}
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}
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func (s Scanner) getClient() *http.Client {
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if s.client != nil {
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return s.client
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}
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return defaultClient
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}
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// FromData scans for Duffel test tokens and optionally verifies them
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func (s Scanner) FromData(
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ctx context.Context,
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verify bool,
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data []byte,
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) (results []detectors.Result, err error) {
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dataStr := string(data)
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uniqueTokens := make(map[string]struct{})
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for _, match := range duffelTestTokenPat.FindAllStringSubmatch(dataStr, -1) {
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uniqueTokens[match[1]] = struct{}{}
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}
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for token := range uniqueTokens {
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result := detectors.Result{
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DetectorType: detector_typepb.DetectorType_DuffelToken,
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Raw: []byte(token),
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Redacted: token[:15] + "...",
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SecretParts: map[string]string{
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"token": token,
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},
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}
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if verify {
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verified, verificationErr := verifyDuffelToken(
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ctx,
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s.getClient(),
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token,
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)
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result.SetVerificationError(verificationErr, token)
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result.Verified = verified
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}
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results = append(results, result)
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}
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return
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}
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func verifyDuffelToken(
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ctx context.Context,
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client *http.Client,
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token string,
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) (bool, error) {
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req, err := http.NewRequestWithContext(
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ctx,
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http.MethodGet,
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"https://api.duffel.com/identity/customer/users?limit=1",
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http.NoBody,
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)
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if err != nil {
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return false, err
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}
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req.Header.Set("Authorization", "Bearer "+token)
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req.Header.Set("Duffel-Version", "v2")
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req.Header.Set("Accept", "application/json")
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res, err := detectors.DoWithDedup(client, detector_typepb.DetectorType_DuffelToken, token, req)
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if err != nil {
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return false, err
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}
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defer func() {
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_, _ = io.Copy(io.Discard, res.Body)
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_ = res.Body.Close()
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}()
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switch res.StatusCode {
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case http.StatusOK:
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return true, nil
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case http.StatusUnauthorized:
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// Token invalid or revoked
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return false, nil
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case http.StatusForbidden:
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// Token valid but insufficient permissions - treat as verified since the token is active
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return true, nil
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default:
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return false, fmt.Errorf(
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"unexpected HTTP response status %d",
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res.StatusCode,
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)
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}
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}
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func (s Scanner) Type() detector_typepb.DetectorType {
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return detector_typepb.DetectorType_DuffelToken
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}
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func (s Scanner) Description() string {
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return "Duffel is a flight search and booking API service. Duffel API tokens can be used to access and interact with flight search and booking APIs in test environments."
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}
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