mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-09-20 22:51:55 +00:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package twilio
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import (
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"context"
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"net/http"
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"net/url"
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"regexp"
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"strings"
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"github.com/trufflesecurity/trufflehog/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/pkg/pb/detectorspb"
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"github.com/trufflesecurity/trufflehog/pkg/common"
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)
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type Scanner struct{}
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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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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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s := detectors.Result{
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DetectorType: detectorspb.DetectorType_Twilio,
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Raw: []byte(sid),
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Redacted: sid,
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}
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if verify {
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client := common.SaneHttpClient()
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for _, key := range keyMatches {
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form := url.Values{}
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form.Add("FriendlyName", "MyServiceName")
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req, _ := http.NewRequestWithContext(
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ctx, "POST", "https://verify.twilio.com/v2/Services",
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strings.NewReader(form.Encode()),
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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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break
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}
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defer res.Body.Close()
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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s.Verified = true
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}
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}
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}
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if !s.Verified {
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if detectors.IsKnownFalsePositive(string(s.Raw), detectors.DefaultFalsePositives, true) {
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continue
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}
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}
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if len(keyMatches) > 0 {
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results = append(results, s)
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}
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}
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return
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}
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