Files
trufflehog/pkg/detectors/satismeterwritekey/satismeterwritekey.go

138 lines
4.2 KiB
Go

package satismeterwritekey
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
regexp "github.com/wasilibs/go-re2"
"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 boundary characters such as below to reduce false positives.
writeKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"satismeter"}) + `\b([a-z0-9A-Z]{32})\b`)
tokenPat = regexp.MustCompile(detectors.PrefixRegex([]string{"satismeter"}) + `\b([A-Za-z0-9]{32})\b`)
projectPat = regexp.MustCompile(detectors.PrefixRegex([]string{"satismeter"}) + `\b([a-zA-Z0-9]{24})\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{"satismeter"}
}
// FromData will find and optionally verify SatismeterWritekey 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)
uniqueProjectMatches, uniqueWriteKeyMatches, uniqueTokenMatches := make(map[string]struct{}), make(map[string]struct{}), make(map[string]struct{})
for _, match := range projectPat.FindAllStringSubmatch(dataStr, -1) {
uniqueProjectMatches[strings.TrimSpace(match[1])] = struct{}{}
}
for _, match := range writeKeyPat.FindAllStringSubmatch(dataStr, -1) {
uniqueWriteKeyMatches[strings.TrimSpace(match[1])] = struct{}{}
}
for _, match := range tokenPat.FindAllStringSubmatch(dataStr, -1) {
uniqueTokenMatches[strings.TrimSpace(match[1])] = struct{}{}
}
for projectID := range uniqueProjectMatches {
for token := range uniqueTokenMatches {
for writeKey := range uniqueWriteKeyMatches {
// writekey and token has same pattern, so skip the process when both values are same
if token == writeKey {
continue
}
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_SatismeterWritekey,
Raw: []byte(projectID),
RawV2: []byte(projectID + writeKey),
}
if verify {
isVerified, verificationErr := verifySatisMeterWriteKey(ctx, client, projectID, writeKey, token)
s1.Verified = isVerified
s1.SetVerificationError(verificationErr, writeKey)
}
results = append(results, s1)
}
}
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_SatismeterWritekey
}
func (s Scanner) Description() string {
return "Satismeter is a customer feedback platform. Satismeter Writekeys can be used to send event data to Satismeter's API."
}
// API Docs with payload details: https://support.satismeter.com/hc/en-us/articles/6980481518227-Track-event-API
func verifySatisMeterWriteKey(ctx context.Context, client *http.Client, projectID, writeKey, token string) (bool, error) {
payload := createPayload(writeKey, projectID)
req, err := http.NewRequestWithContext(ctx, "POST", "https://app.satismeter.com/api/users?type=track", bytes.NewBuffer(payload))
if err != nil {
return false, err
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
resp, err := client.Do(req)
if err != nil {
return false, nil
}
defer func() {
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
}()
switch resp.StatusCode {
case http.StatusNoContent:
return true, nil
case http.StatusUnauthorized, http.StatusForbidden:
return false, nil
default:
return false, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
}
}
// createPayload creates a payload for POST api with writekey and projectID
func createPayload(writeKey, projectID string) []byte {
// create the payload as a map
payload := map[string]interface{}{
"type": "track",
"userId": "007",
"event": "This is the event name",
"writeKey": writeKey,
"project": projectID,
}
// convert payload to JSON
payloadBytes, _ := json.Marshal(payload)
return payloadBytes
}