trufflehog/pkg/detectors/graphcms/graphcms.go
2022-01-19 14:27:31 -08:00

88 lines
2.3 KiB
Go

package graphcms
import (
"context"
"fmt"
// "log"
"regexp"
"strings"
"net/http"
"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(`\b(ey[a-zA-Z0-9]{73}.ey[a-zA-Z0-9]{365}.[a-zA-Z0-9_-]{683})\b`)
idPat = regexp.MustCompile(detectors.PrefixRegex([]string{"graph"}) + `\b([a-z0-9]{25})\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{"graphcms"}
}
// FromData will find and optionally verify GraphCMS 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)
idMatches := idPat.FindAllStringSubmatch(dataStr, -1)
for _, match := range matches {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])
for _, idMatch := range idMatches {
if len(idMatch) != 2 {
continue
}
resIdMatch := strings.TrimSpace(idMatch[1])
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_GraphCMS,
Raw: []byte(resMatch),
}
if verify {
payload := strings.NewReader(`{users {id name}}`)
req, _ := http.NewRequest("POST", "https://api-ap-northeast-1.graphcms.com/v2/"+resIdMatch+"/master", payload)
req.Header.Add("Content-Type", "application/graphql")
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", resMatch))
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
s1.Verified = true
}
}
}
if !s1.Verified {
if detectors.IsKnownFalsePositive(string(s1.Raw), detectors.DefaultFalsePositives, true) {
continue
}
}
results = append(results, s1)
}
}
return detectors.CleanResults(results), nil
}