trufflehog/pkg/detectors/aha/aha.go
ahrav ce1ce29b90
[feat] - Optimize detector performance by reducing data passed to regex (#2812)
* optimize maching detetors

* update method name

* updates

* update naming

* updates

* update comment

* updates

* remove testcase

* update default match len to 512

* update

* update test

* add support for multpart cred provider

* add ability to scan entire chunk

* encapsulate matches logic within FindDetectorMatches

* use []byte directly

* nil chunk data

* use []byte

* set hidden flag to true

* remove

* [refactor] - multi part detectors (#2906)

* Detectors beginning w/ a

* Detectors beginning w/ b

* Detectors beginning w/ c

* Detectors beginning w/ d

* Detectors beginning w/ e

* Detectors beginning w/ f

* Detectors beginning w/ f&g

* fix

* Detectors beginning w/ i-l

* Detectors beginning w/ m-p

* Detectors beginning w/ r-s

* Detectors beginning w/ t

* Detectors beginning w/ u-z

* revert alconst

* remaining fixes

* lint

* [feat] - Add Support for `compareDetectionStrategies` Mode (#2918)

* Detector comparison mode

* remove else

* return error if results dont match

* update default hidden flag to not scan entire chunks

* fix tests

* enhance encapsulation by including methods on DetectorMatch to handle merging and extracting

* remove space

* fix

* update detector

* updates

* remove else

* run comparison concurrently
2024-06-05 13:28:19 -07:00

111 lines
3 KiB
Go

package aha
import (
"context"
"fmt"
"net/http"
"strings"
regexp "github.com/wasilibs/go-re2"
"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 {
detectors.DefaultMultiPartCredentialProvider
client *http.Client
}
var (
// Ensure the Scanner satisfies the interface at compile time.
_ detectors.Detector = (*Scanner)(nil)
defaultClient = 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{"aha"}) + `\b([0-9a-f]{64})\b`)
URLPat = regexp.MustCompile(`\b([A-Za-z0-9](?:[A-Za-z0-9\-]{0,61}[A-Za-z0-9])\.aha\.io)`)
)
// 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{"aha"}
}
func (s Scanner) getClient() *http.Client {
if s.client != nil {
return s.client
}
return defaultClient
}
// FromData will find and optionally verify Aha 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 := URLPat.FindAllStringSubmatch(dataStr, -1)
resURLMatch := "aha.io"
for _, URLmatch := range URLmatches {
if len(URLmatch) != 2 {
continue
}
resURLMatch = strings.TrimSpace(URLmatch[1])
}
for _, match := range matches {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_Aha,
Raw: []byte(resMatch),
}
if verify {
client := s.getClient()
isVerified, verificationErr := verifyAha(ctx, client, resMatch, resURLMatch)
s1.Verified = isVerified
s1.SetVerificationError(verificationErr, resMatch)
}
results = append(results, s1)
}
return results, nil
}
func verifyAha(ctx context.Context, client *http.Client, resMatch, resURLMatch string) (bool, error) {
url := fmt.Sprintf("https://%s/api/v1/me", resURLMatch)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return false, err
}
req.Header.Add("Accept", "application/vnd.aha+json; version=3")
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", resMatch))
res, err := client.Do(req)
if err != nil {
return false, err
}
defer res.Body.Close()
// https://www.aha.io/api
switch res.StatusCode {
case http.StatusOK:
return true, nil
case http.StatusUnauthorized, http.StatusNotFound, http.StatusForbidden:
// 403 is a known case where an account is inactive bc of a trial ending or payment issue
return false, nil
default:
return false, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
}
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Aha
}