trufflehog/pkg/detectors/alchemy/alchemy.go
dylanTruffle 0f427b3c6a
Adding Descriptions (#3258)
* adding AI generated descriptions of the key types and their capabilities

* removing empty file

* Update abbysale.go

* update to interface

* fixes

* fix

* small cleanup

---------

Co-authored-by: Dylan Ayrey <dxa4481@rit.edu>
Co-authored-by: Dustin Decker <dustin@trufflesec.com>
2024-09-24 16:10:16 -07:00

101 lines
2.9 KiB
Go

package alchemy
import (
"context"
"fmt"
"io"
"net/http"
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 {
client *http.Client
}
// Ensure the Scanner satisfies the interface at compile time.
var _ detectors.Detector = (*Scanner)(nil)
var (
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{"alchemy"}) + `\b([0-9a-zA-Z_]{32}|alcht_[0-9a-zA-Z]{30})\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{"alchemy","alcht_"}
}
// FromData will find and optionally verify Alchemy 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)
uniqueMatches := make(map[string]struct{})
for _, match := range keyPat.FindAllStringSubmatch(dataStr, -1) {
uniqueMatches[match[1]] = struct{}{}
}
for match := range uniqueMatches {
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_Alchemy,
Raw: []byte(match),
}
if verify {
client := s.client
if client == nil {
client = defaultClient
}
isVerified, extraData, verificationErr := verifyMatch(ctx, client, match)
s1.Verified = isVerified
s1.ExtraData = extraData
s1.SetVerificationError(verificationErr, match)
}
results = append(results, s1)
}
return
}
func verifyMatch(ctx context.Context, client *http.Client, token string) (bool, map[string]string, error) {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://eth-mainnet.g.alchemy.com/v2/"+token+"/getNFTs/?owner=vitalik.eth", nil)
if err != nil {
return false, nil, nil
}
res, err := client.Do(req)
if err != nil {
return false, nil, err
}
defer func() {
_, _ = io.Copy(io.Discard, res.Body)
_ = res.Body.Close()
}()
switch res.StatusCode {
case http.StatusOK:
// If the endpoint returns useful information, we can return it as a map.
return true, nil, nil
case http.StatusUnauthorized:
// The secret is determinately not verified (nothing to do)
return false, nil, nil
default:
return false, nil, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
}
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Alchemy
}
func (s Scanner) Description() string {
return "Alchemy is a blockchain development platform that provides a suite of tools and services for building and scaling decentralized applications. Alchemy API keys can be used to access these services."
}