trufflehog/pkg/detectors/text2data/text2data.go
2022-02-15 18:45:55 -08:00

96 lines
2.6 KiB
Go

package text2data
import (
"context"
"encoding/json"
"io/ioutil"
// "log"
"regexp"
"strings"
"net/http"
"net/url"
"github.com/trufflesecurity/trufflehog/pkg/common"
"github.com/trufflesecurity/trufflehog/pkg/detectors"
"github.com/trufflesecurity/trufflehog/pkg/pb/detectorspb"
)
type Scanner struct{}
// Ensure the Scanner satisfies the interface at compile time
var _ detectors.Detector = (*Scanner)(nil)
var (
client = common.SaneHttpClient()
//Make sure that your group is surrounded in boundry characters such as below to reduce false positives
keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"text2data"}) + `\b([0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12})\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{"text2data"}
}
// FromData will find and optionally verify Text2Data 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_Text2Data,
Raw: []byte(resMatch),
}
if verify {
data := url.Values{}
data.Add("DocumentText", "Excellent location, opposite a very large mall with wide variety of shops, restaurants and more.")
data.Add("PrivateKey", resMatch)
req, _ := http.NewRequest("POST", "http://api.text2data.com/v3/analyze", strings.NewReader(data.Encode()))
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
body, errBody := ioutil.ReadAll(res.Body)
if errBody == nil {
var response Response
json.Unmarshal(body, &response)
if res.StatusCode >= 200 && res.StatusCode < 300 && response.Status == 1 && response.ErrorMessage == "" {
s1.Verified = true
} else {
//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
if detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
}
}
}
}
results = append(results, s1)
}
return detectors.CleanResults(results), nil
}
type Response struct {
Status int `json:"Status"`
ErrorMessage string `json:"ErrorMessage"`
}