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

71 lines
2.3 KiB
Go

package amplitudeapikey
import (
"context"
"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{"amplitude"}) + `\b([a-f0-9]{32})`)
)
// 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{"amplitude"}
}
// FromData will find and optionally verify AmplitudeApiKey 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_AmplitudeApiKey,
Raw: []byte(resMatch),
}
if verify {
payload := strings.NewReader("api_key=" + resMatch + "&identification=%5B%7B%22user_id%22%3A%22datamonster%40gmail.com%22%2C%20%22user_properties%22%3A%7B%22Age%22%3A%2235%22%7D%2C%20%22groups%22%3A%7B%22company_id%22%3A%221234%22%7D%2C%20%22country%22%3A%22United%20States%22%7D%5D")
req, _ := http.NewRequestWithContext(ctx, "POST", "https://api.amplitude.com/identify", payload)
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
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
}