trufflehog/pkg/detectors/postman/postman.go
Abdul Basit 5ce1578a6f
[analyze] Add analyzer for Postman (#3180)
* implement analyzer interface for postman and add unit test

* analyzer interface inplementation for postman

linked detector with analyzer for postman
add permission for postman

* [fix] linter in postman

* considered Miccah comments about fullyqualifiedName and code refactoring.

* moved want result to expected output file.

---------

Co-authored-by: Abdul Basit <abasit@folio3.com>
2024-09-04 15:40:12 -07:00

102 lines
2.4 KiB
Go

package postman
import (
"context"
"fmt"
"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 {
client *http.Client
}
const verifyURL = "https://api.getpostman.com/collections"
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
var (
defaultClient = common.SaneHttpClient()
// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
keyPat = regexp.MustCompile(`\b(PMAK-[a-zA-Z-0-9]{59})\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{"PMAK-"}
}
// FromData will find and optionally verify Postman 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_Postman,
Raw: []byte(resMatch),
}
if verify {
client := s.getClient()
isVerified, verificationErr := verifyPostman(ctx, client, resMatch)
s1.Verified = isVerified
s1.SetVerificationError(verificationErr, resMatch)
s1.AnalysisInfo = map[string]string{
"key": resMatch,
}
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) getClient() *http.Client {
if s.client != nil {
return s.client
}
return defaultClient
}
func verifyPostman(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("x-api-key", 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_Postman
}