trufflehog/pkg/detectors/budibase/budibase.go

97 lines
2.7 KiB
Go

package budibase
import (
"context"
"fmt"
"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 {
client *http.Client
}
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
var (
defaultClient = common.SaneHttpClient()
keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"budibase"}) + `\b([a-f0-9]{32}-[a-f0-9]{78,80})\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{"budibase"}
}
// FromData will find and optionally verify Budibase 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_Budibase,
Raw: []byte(resMatch),
}
if verify {
client := s.client
if client == nil {
client = defaultClient
}
// URL: https://docs.budibase.com/reference/appsearch
// API searches for the app with given name, since we only need to check api key, sending any appname will work.
payload := strings.NewReader(`{"name":"qwerty"}`)
req, err := http.NewRequestWithContext(ctx, "POST", "https://budibase.app/api/public/v1/applications/search", payload)
if err != nil {
continue
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("x-budibase-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 if res.StatusCode == 401 {
// The secret is determinately not verified (nothing to do)
} else {
s1.VerificationError = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
}
} else {
s1.VerificationError = err
}
}
// 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 !s1.Verified && detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Budibase
}