mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-11-10 15:14:38 +00:00
e44802a31d
* update detectors to use go-re regex library replacement * update go mod and sum * add tests with invalid utf-8 * revert
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
package twilio
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import (
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"context"
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"fmt"
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regexp "github.com/wasilibs/go-re2"
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"net/http"
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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/detectorspb"
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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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// Ensure the Scanner satisfies the interface at compile time.
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var _ detectors.Detector = (*Scanner)(nil)
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var (
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defaultClient = common.SaneHttpClient()
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identifierPat = regexp.MustCompile(`(?i)sid.{0,20}AC[0-9a-f]{32}`) // Should we have this? Seems restrictive.
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sidPat = regexp.MustCompile(`\bAC[0-9a-f]{32}\b`)
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keyPat = regexp.MustCompile(`\b[0-9a-f]{32}\b`)
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)
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// Keywords are used for efficiently pre-filtering chunks.
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// Use identifiers in the secret preferably, or the provider name.
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func (s Scanner) Keywords() []string {
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return []string{"sid"}
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}
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// FromData will find and optionally verify Twilio secrets in a given set of bytes.
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func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
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dataStr := string(data)
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identifierMatches := identifierPat.FindAllString(dataStr, -1)
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if len(identifierMatches) == 0 {
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return
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}
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keyMatches := keyPat.FindAllString(dataStr, -1)
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sidMatches := sidPat.FindAllString(dataStr, -1)
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for _, sid := range sidMatches {
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for _, key := range keyMatches {
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_Twilio,
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Raw: []byte(sid),
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RawV2: []byte(sid + key),
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Redacted: sid,
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}
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s1.ExtraData = map[string]string{
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"rotation_guide": "https://howtorotate.com/docs/tutorials/twilio/",
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}
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if verify {
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client := s.client
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if client == nil {
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client = defaultClient
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}
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req, err := http.NewRequestWithContext(
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ctx, "GET", "https://verify.twilio.com/v2/Services", nil)
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if err != nil {
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continue
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}
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Add("Accept", "*/*")
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req.SetBasicAuth(sid, key)
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res, err := client.Do(req)
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if err == nil {
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res.Body.Close() // The request body is unused.
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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s1.Verified = true
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} else if res.StatusCode == 401 || res.StatusCode == 403 {
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// The secret is determinately not verified (nothing to do)
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} else {
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err = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
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s1.SetVerificationError(err, key)
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}
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} else {
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s1.SetVerificationError(err, key)
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}
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}
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if !s1.Verified && detectors.IsKnownFalsePositive(string(s1.Raw), detectors.DefaultFalsePositives, true) {
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continue
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}
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if len(keyMatches) > 0 {
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results = append(results, s1)
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}
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}
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}
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return detectors.CleanResults(results), nil
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}
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func (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_Twilio
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}
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