Files
trufflehog/pkg/detectors/metabase/metabase.go
Miccahandahmed 4db20e29f8
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Update metabase verification to check for a valid JSON response (#2210)
* Update metabase verification to check for a valid JSON response

* added test tokens + cleanup

---------

Co-authored-by: ahmed <[email protected]>
2023-12-13 12:18:56 -08:00

95 lines
2.6 KiB
Go

package metabase
import (
"context"
"encoding/json"
"io"
"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{"metabase"}) + `\b([a-zA-Z0-9-]{36})\b`)
baseURL = regexp.MustCompile(detectors.PrefixRegex([]string{"metabase"}) + `\b(https?:\/\/[-a-zA-Z0-9@:%._\+~#=]{7,256})\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{"metabase"}
}
// FromData will find and optionally verify Metabase 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)
urlMatches := baseURL.FindAllStringSubmatch(dataStr, -1)
for _, match := range matches {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])
for _, urlMatch := range urlMatches {
if len(urlMatch) != 2 {
continue
}
resURLMatch := strings.TrimSpace(urlMatch[1])
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_Metabase,
Raw: []byte(resMatch),
RawV2: []byte(resMatch + resURLMatch),
}
if verify {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, resURLMatch+"/api/user/current", nil)
if err != nil {
continue
}
req.Header.Add("X-Metabase-Session", resMatch)
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
continue
}
if res.StatusCode == http.StatusOK && json.Valid(body) {
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 results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Metabase
}