mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-11-14 00:47:21 +00:00
e44802a31d
* update detectors to use go-re regex library replacement * update go mod and sum * add tests with invalid utf-8 * revert
95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
package dockerhub
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import (
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"context"
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"fmt"
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regexp "github.com/wasilibs/go-re2"
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"io"
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"net/http"
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"strings"
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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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// 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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client = common.SaneHttpClient()
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// Can use email or username for login.
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usernamePat = regexp.MustCompile(`(?im)(?:user|usr|-u)\S{0,40}?[:=\s]{1,3}[ '"=]?([a-zA-Z0-9]{4,40})\b`)
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emailPat = regexp.MustCompile(common.EmailPattern)
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// Can use password or personal access token (PAT) for login, but this scanner will only check for PATs.
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accessTokenPat = regexp.MustCompile(`\bdckr_pat_([a-zA-Z0-9_-]){27}\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{"dckr_pat_"}
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}
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// FromData will find and optionally verify Dockerhub 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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emailMatches := emailPat.FindAllString(dataStr, -1)
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dataStr = emailPat.ReplaceAllString(dataStr, "")
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usernameMatches := usernamePat.FindAllStringSubmatch(dataStr, -1)
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accessTokenMatches := accessTokenPat.FindAllString(dataStr, -1)
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userMatches := emailMatches
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for _, usernameMatch := range usernameMatches {
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if len(usernameMatch) > 1 {
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userMatches = append(userMatches, usernameMatch[1])
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}
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}
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for _, resUserMatch := range userMatches {
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for _, resAccessTokenMatch := range accessTokenMatches {
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_Dockerhub,
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Raw: []byte(fmt.Sprintf("%s: %s", resUserMatch, resAccessTokenMatch)),
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}
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if verify {
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payload := strings.NewReader(fmt.Sprintf(`{"username": "%s", "password": "%s"}`, resUserMatch, resAccessTokenMatch))
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req, err := http.NewRequestWithContext(ctx, "GET", "https://hub.docker.com/v2/users/login", payload)
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if err != nil {
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continue
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}
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req.Header.Add("Content-Type", "application/json")
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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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body, err := io.ReadAll(res.Body)
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if err != nil {
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continue
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}
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// Valid credentials can still return a 401 status code if 2FA is enabled
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if (res.StatusCode >= 200 && res.StatusCode < 300) || (res.StatusCode == 401 && strings.Contains(string(body), "login_2fa_token")) {
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s1.Verified = true
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}
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}
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}
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results = append(results, s1)
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}
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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_Dockerhub
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}
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