trufflehog/pkg/detectors/fixerio/fixerio.go
trufflesteeeve 114f4b6989
Add Type() to detector interface (#1088)
* Add Type() to detector interface

The goal here is to allow the detector type information to be used
without the need for reflection. This could possibly allow us to more
easily inject information into detectors or filter them out if
necessary.

Co-authored-by: ahmed <ahmed.zahran@trufflesec.com>

* remove test detector

---------

Co-authored-by: ahmed <ahmed.zahran@trufflesec.com>
2023-02-09 14:46:03 -08:00

91 lines
2.5 KiB
Go

package fixerio
import (
"context"
"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{"fixer"}) + `\b([A-Za-z0-9]{32})\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{"fixer"}
}
// FromData will find and optionally verify FixerIO 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_FixerIO,
Raw: []byte(resMatch),
}
if verify {
req, err := http.NewRequestWithContext(ctx, "GET", "https://data.fixer.io/api/latest?access_key="+resMatch, nil)
if err != nil {
continue
}
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
bodyBytes, err := io.ReadAll(res.Body)
if err != nil {
continue
}
body := string(bodyBytes)
// if client_id and client_secret is valid -> 403 {"error":"invalid_grant","error_description":"Invalid authorization code"}
// if invalid -> 401 {"error":"access_denied","error_description":"Unauthorized"}
// ingenious!
validResponse := strings.Contains(body, `"success": true`) || strings.Contains(body, `"info":"Access Restricted - Your current Subscription Plan does not support HTTPS Encryption."`)
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 && validResponse {
s1.Verified = true
} else {
if detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
}
}
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_FixerIO
}