mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-09-20 14:42:03 +00:00
e44802a31d
* update detectors to use go-re regex library replacement * update go mod and sum * add tests with invalid utf-8 * revert
137 lines
4.2 KiB
Go
137 lines
4.2 KiB
Go
package kucoin
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import (
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"context"
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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regexp "github.com/wasilibs/go-re2"
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"net/http"
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"strconv"
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"strings"
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"time"
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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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// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
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keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"kucoin"}) + `\b([0-9a-f]{24})\b`)
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secretPat = regexp.MustCompile(detectors.PrefixRegex([]string{"kucoin"}) + `\b([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\b`)
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passphrasePat = regexp.MustCompile(detectors.PrefixRegex([]string{"kucoin"}) + `([ \r\n]{1}[!-~]{7,32}[ \r\n]{1})`)
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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{"kucoin"}
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}
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// FromData will find and optionally verify KuCoin 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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keyMatches := keyPat.FindAllStringSubmatch(dataStr, -1)
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secretMatches := secretPat.FindAllStringSubmatch(dataStr, -1)
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passphraseMatches := passphrasePat.FindAllStringSubmatch(dataStr, -1)
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for _, keyMatch := range keyMatches {
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if len(keyMatch) != 2 {
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continue
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}
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resKeyMatch := strings.TrimSpace(keyMatch[1])
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for _, secretMatch := range secretMatches {
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if len(secretMatch) != 2 {
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continue
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}
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resSecretMatch := strings.TrimSpace(secretMatch[1])
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for _, passphraseMatch := range passphraseMatches {
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if len(passphraseMatch) != 2 {
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continue
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}
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resPassphraseMatch := strings.TrimSpace(passphraseMatch[1])
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_KuCoin,
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Raw: []byte(resKeyMatch),
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RawV2: []byte(resKeyMatch + resPassphraseMatch),
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}
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if verify {
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timestamp := strconv.FormatInt(time.Now().Unix()*1000, 10)
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method := "GET"
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endpoint := "/api/v1/accounts"
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bodyStr := ""
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apiVersion := "2"
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signature := getKucoinSignature(resSecretMatch, timestamp, method, endpoint, bodyStr)
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passPhrase := getKucoinPassphrase(resSecretMatch, resPassphraseMatch)
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req, err := http.NewRequest(method, "https://api.kucoin.com"+endpoint, nil)
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if err != nil {
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continue
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}
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req.Header.Add("KC-API-KEY", resKeyMatch)
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req.Header.Add("KC-API-SIGN", signature)
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req.Header.Add("KC-API-TIMESTAMP", timestamp)
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req.Header.Add("KC-API-PASSPHRASE", passPhrase)
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req.Header.Add("KC-API-KEY-VERSION", apiVersion)
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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 && res.StatusCode < 300 {
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s1.Verified = true
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} else {
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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 detectors.IsKnownFalsePositive(resKeyMatch, detectors.DefaultFalsePositives, true) {
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continue
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}
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if detectors.IsKnownFalsePositive(resSecretMatch, detectors.DefaultFalsePositives, true) {
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continue
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}
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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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}
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return results, nil
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}
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func getKucoinPassphrase(apiSecret string, apiPassphrase string) string {
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mac := hmac.New(sha256.New, []byte(apiSecret))
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mac.Write([]byte(apiPassphrase))
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macsum := mac.Sum(nil)
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return base64.StdEncoding.EncodeToString(macsum)
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}
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func getKucoinSignature(apiSecret string, timestamp string, method string, endpoint string, bodyStr string) string {
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preHashStr := timestamp + method + endpoint + bodyStr
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mac := hmac.New(sha256.New, []byte(apiSecret))
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mac.Write([]byte(preHashStr))
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macsum := mac.Sum(nil)
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return base64.StdEncoding.EncodeToString(macsum)
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}
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func (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_KuCoin
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}
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