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ahrav e44802a31d
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[feat] - Replace regexp pkg w/ go-re2 in detectors (#2324)
* update detectors to use go-re regex library replacement

* update go mod and sum

* add tests with invalid utf-8

* revert
2024-01-23 13:16:22 -08:00

87 lines
2.4 KiB
Go

package linearapi
import (
"context"
regexp "github.com/wasilibs/go-re2"
"io"
"net/http"
"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(`\b(lin_api_[0-9A-Za-z]{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{"lin_api_"}
}
// FromData will find and optionally verify LinearAPI 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_LinearAPI,
Raw: []byte(resMatch),
}
if verify {
reqDataQuery := strings.NewReader(`{ "query": "{ viewer { id name } }" }`)
req, err := http.NewRequestWithContext(ctx, "POST", "https://api.linear.app/graphql", reqDataQuery)
if err != nil {
continue
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", resMatch)
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 res.StatusCode >= 200 && res.StatusCode < 300 && strings.Contains(body, `"data":`) {
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_LinearAPI
}