trufflehog/pkg/detectors/shotstack/shotstack.go
2022-05-16 09:03:10 -07:00

105 lines
2.7 KiB
Go

package shotstack
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 boundary characters such as below to reduce false positives.
keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"shotstack"}) + `\b([a-zA-Z0-9]{40})\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{"shotstack"}
}
// FromData will find and optionally verify Shotstack 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_Shotstack,
Raw: []byte(resMatch),
}
if verify {
payload := strings.NewReader(`{
"timeline":{
"soundtrack":{
"src":"https://s3-ap-southeast-2.amazonaws.com/shotstack-assets/music/moment.mp3",
"effect":"fadeOut"
},
"background":"#000000",
"tracks":[
{
"clips":[
{
"asset": {
"type":"title",
"text":"Hello World",
"style":"minimal"
},
"start":0,
"length":5,
"transition":{
"in":"fade",
"out":"fade"
}
}
]
}
]
},
"output":{"format":"mp4", "resolution":"sd"
}
}`)
req, err := http.NewRequestWithContext(ctx, "POST", "https://api.shotstack.io/stage/render", payload)
if err != nil {
continue
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Accept", "application/json")
req.Header.Add("x-api-key", resMatch)
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
}