mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-11-10 15:14:38 +00:00
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package denodeploy
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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regexp "github.com/wasilibs/go-re2"
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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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tokenPat = regexp.MustCompile(`\b(dd[pw]_[a-zA-Z0-9]{36})\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{"ddp_", "ddw_"}
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}
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type userResponse struct {
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Login string `json:"login"`
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}
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// FromData will find and optionally verify DenoDeploy 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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tokenMatches := tokenPat.FindAllStringSubmatch(dataStr, -1)
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for _, tokenMatch := range tokenMatches {
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token := tokenMatch[1]
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s1 := detectors.Result{
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DetectorType: s.Type(),
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Raw: []byte(token),
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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(ctx, "GET", "https://api.deno.com/user", nil)
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req.Header.Set("Authorization", "Bearer "+token)
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if err != nil {
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continue
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}
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res, err := client.Do(req)
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if err == nil {
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defer res.Body.Close()
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if res.StatusCode == 200 {
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s1.Verified = true
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body, err := io.ReadAll(res.Body)
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if err != nil {
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s1.SetVerificationError(err, token)
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} else {
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var user userResponse
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if err := json.Unmarshal(body, &user); err != nil {
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s1.SetVerificationError(err, token)
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} else {
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s1.ExtraData = map[string]string{
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"login": user.Login,
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}
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}
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}
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} else if res.StatusCode == 401 {
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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, token)
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}
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} else {
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s1.SetVerificationError(err, token)
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}
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}
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// This function will check false positives for common test words, but also it will make sure the key appears 'random' enough to be a real key.
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if !s1.Verified && detectors.IsKnownFalsePositive(token, detectors.DefaultFalsePositives, true) {
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continue
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}
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results = append(results, s1)
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}
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return results, nil
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}
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func (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_DenoDeploy
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}
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