trufflehog/pkg/detectors/baseapiio/baseapiio.go
2022-03-11 10:24:36 -08:00

81 lines
2.2 KiB
Go

package baseapiio
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"mime/multipart"
"net/http"
"regexp"
"strings"
"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{}
// 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{"baseapi", "base-api"}) + `\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{"baseapi", "base-api"}
}
// FromData will find and optionally verify BaseApiIO 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_BaseApiIO,
Raw: []byte(resMatch),
}
if verify {
payload := &bytes.Buffer{}
writer := multipart.NewWriter(payload)
_ = writer.WriteField("name", "\"My Form\"")
req, _ := http.NewRequestWithContext(ctx, "POST", "https://api.base-api.io/v1/forms", payload)
req.Header.Set("Content-Type", writer.FormDataContentType())
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", resMatch))
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
bodyBytes, _ := ioutil.ReadAll(res.Body)
body := string(bodyBytes)
if !strings.Contains(body, "UNAUTHENTICATED") {
s1.Verified = true
} else {
if detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
}
}
}
results = append(results, s1)
}
return detectors.CleanResults(results), nil
}