trufflehog/pkg/detectors/deno/denodeploy.go
Dustin Decker 14e44db2be
Move detectors.IsKnownFalsePositive from the detectors and into the engine (#2643)
* Remove detectors.IsKnownFalsePositive from detectors

* Centralize false positive removal in engine

* Don't apply fp filtering on custom regex to preserve previous behavior.

* fix empty branch

* update excludes

* update filtering

* Add result flag option and exclude some detectors
2024-04-22 15:18:04 -07:00

103 lines
2.4 KiB
Go

package denodeploy
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
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
}
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
var (
defaultClient = common.SaneHttpClient()
tokenPat = regexp.MustCompile(`\b(dd[pw]_[a-zA-Z0-9]{36})\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{"ddp_", "ddw_"}
}
type userResponse struct {
Login string `json:"login"`
}
// FromData will find and optionally verify DenoDeploy 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)
tokenMatches := tokenPat.FindAllStringSubmatch(dataStr, -1)
for _, tokenMatch := range tokenMatches {
token := tokenMatch[1]
s1 := detectors.Result{
DetectorType: s.Type(),
Raw: []byte(token),
}
if verify {
client := s.client
if client == nil {
client = defaultClient
}
req, err := http.NewRequestWithContext(ctx, "GET", "https://api.deno.com/user", nil)
req.Header.Set("Authorization", "Bearer "+token)
if err != nil {
continue
}
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode == 200 {
s1.Verified = true
body, err := io.ReadAll(res.Body)
if err != nil {
s1.SetVerificationError(err, token)
} else {
var user userResponse
if err := json.Unmarshal(body, &user); err != nil {
s1.SetVerificationError(err, token)
} else {
s1.ExtraData = map[string]string{
"login": user.Login,
}
}
}
} else if res.StatusCode == 401 {
// The secret is determinately not verified (nothing to do)
} else {
err = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
s1.SetVerificationError(err, token)
}
} else {
s1.SetVerificationError(err, token)
}
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_DenoDeploy
}