trufflehog/pkg/detectors/pagerdutyapikey/pagerdutyapikey.go
2023-10-19 07:20:35 -07:00

101 lines
2.8 KiB
Go

package pagerdutyapikey
import (
"context"
"fmt"
"net/http"
"regexp"
"strings"
"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 {
client *http.Client
}
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
const verifyURL = "https://api.pagerduty.com/users"
var (
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{"pagerduty", "pager_duty", "pd_", "pd-"}) + `\b(u\+[a-zA-Z0-9_+-]{18})\b`)
)
// 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{"pagerduty", "pager_duty", "pd_", "pd-"}
}
// FromData will find and optionally verify PagerDutyApiKey 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 {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_PagerDutyApiKey,
Raw: []byte(resMatch),
}
if verify {
client := s.getClient()
isVerified, verificationErr := verifyPagerdutyapikey(ctx, client, resMatch)
s1.Verified = isVerified
s1.VerificationError = verificationErr
}
if !s1.Verified && detectors.IsKnownFalsePositive(string(s1.Raw), detectors.DefaultFalsePositives, true) {
continue
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) getClient() *http.Client {
if s.client != nil {
return s.client
}
return defaultClient
}
func verifyPagerdutyapikey(ctx context.Context, client *http.Client, token string) (bool, error) {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, verifyURL, nil)
if err != nil {
return false, err
}
req.Header.Add("Accept", "application/vnd.pagerduty+json;version=2")
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", fmt.Sprintf("Token %s", token))
res, err := client.Do(req)
if err != nil {
return false, err
}
defer res.Body.Close()
switch res.StatusCode {
case http.StatusOK:
return true, nil
case http.StatusUnauthorized:
return false, nil
default:
return false, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
}
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_PagerDutyApiKey
}