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added Web3 Storage detector (#1789)

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* added Web3 Storage detector

* fixed the regex

* removed test and disabled token
This commit is contained in:
Ankush Goel 2023-09-27 22:39:39 +05:30 committed by GitHub
parent f2d0f809a8
commit faf46175e4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 264 additions and 7 deletions
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89
pkg/detectors/web3storage/web3storage.go Normal file
View file

@ -0,0 +1,89 @@
package web3storage
import (
"context"
"fmt"
"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 {
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{"web3"}) + `\b(eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9\.eyJ[A-Za-z0-9-_]{100,300}\.[A-Za-z0-9-_]{25,100})\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{"web3"}
}
// FromData will find and optionally verify Web3storage 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_Web3Storage,
Raw: []byte(resMatch),
}
if verify {
client := s.client
if client == nil {
client = defaultClient
}
req, err := http.NewRequestWithContext(ctx, "GET", "https://api.web3.storage/user/uploads", nil)
if err != nil {
continue
}
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", resMatch))
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
s1.Verified = true
} else if res.StatusCode == 401 {
// The secret is determinately not verified (nothing to do)
} else {
s1.VerificationError = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
}
} else {
s1.VerificationError = err
}
}
// 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 !s1.Verified && detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
continue
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Web3Storage
}

161
pkg/detectors/web3storage/web3storage_test.go Normal file
View file

@ -0,0 +1,161 @@
//go:build detectors
// +build detectors
package web3storage
import (
"context"
"fmt"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"testing"
"time"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
"github.com/trufflesecurity/trufflehog/v3/pkg/common"
"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
)
func TestWeb3Storage_FromChunk(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors4")
if err != nil {
t.Fatalf("could not get test secrets from GCP: %s", err)
}
secret := testSecrets.MustGetField("WEB3STORAGE")
inactiveSecret := testSecrets.MustGetField("WEB3STORAGE_INACTIVE")
type args struct {
ctx context.Context
data []byte
verify bool
}
tests := []struct {
name string
s Scanner
args args
want []detectors.Result
wantErr bool
wantVerificationErr bool
}{
{
name: "found, verified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a web3storage secret %s within", secret)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_Web3Storage,
Verified: true,
},
},
wantErr: false,
wantVerificationErr: false,
},
{
name: "found, unverified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a web3storage secret %s within but not valid", inactiveSecret)), // the secret would satisfy the regex but not pass validation
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_Web3Storage,
Verified: false,
},
},
wantErr: false,
wantVerificationErr: false,
},
{
name: "not found",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte("You cannot find the secret within"),
verify: true,
},
want: nil,
wantErr: false,
wantVerificationErr: false,
},
{
name: "found, would be verified if not for timeout",
s: Scanner{client: common.SaneHttpClientTimeOut(1 * time.Microsecond)},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a web3storage secret %s within", secret)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_Web3Storage,
Verified: false,
},
},
wantErr: false,
wantVerificationErr: true,
},
{
name: "found, verified but unexpected api surface",
s: Scanner{client: common.ConstantResponseHttpClient(404, "")},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a web3storage secret %s within", secret)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_Web3Storage,
Verified: false,
},
},
wantErr: false,
wantVerificationErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
if (err != nil) != tt.wantErr {
t.Errorf("Web3Storage.FromData() error = %v, wantErr %v", err, tt.wantErr)
return
}
for i := range got {
if len(got[i].Raw) == 0 {
t.Fatalf("no raw secret present: \n %+v", got[i])
}
if (got[i].VerificationError != nil) != tt.wantVerificationErr {
t.Fatalf("wantVerificationError = %v, verification error = %v", tt.wantVerificationErr, got[i].VerificationError)
}
}
ignoreOpts := cmpopts.IgnoreFields(detectors.Result{}, "Raw", "VerificationError")
if diff := cmp.Diff(got, tt.want, ignoreOpts); diff != "" {
t.Errorf("Web3Storage.FromData() %s diff: (-got +want)\n%s", tt.name, diff)
}
})
}
}
func BenchmarkFromData(benchmark *testing.B) {
ctx := context.Background()
s := Scanner{}
for name, data := range detectors.MustGetBenchmarkData() {
benchmark.Run(name, func(b *testing.B) {
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, err := s.FromData(ctx, false, data)
if err != nil {
b.Fatal(err)
}
}
})
}
}

2
pkg/engine/defaults.go
View file

@ -728,6 +728,7 @@ import (
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/walkscore"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/weatherbit"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/weatherstack"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/web3storage"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/webex"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/webflow"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/webscraper"
@ -1544,6 +1545,7 @@ func DefaultDetectors() []detectors.Detector {
salesforce.Scanner{},
sourcegraph.Scanner{},
tailscale.Scanner{},
web3storage.Scanner{},
}
}

18
pkg/pb/detectorspb/detectors.pb.go
View file

@ -1001,6 +1001,7 @@ const (
DetectorType_Snowflake DetectorType = 927
DetectorType_Sourcegraph DetectorType = 928
DetectorType_Tailscale DetectorType = 929
DetectorType_Web3Storage DetectorType = 930
)
// Enum value maps for DetectorType.
@ -1932,6 +1933,7 @@ var (
927: "Snowflake",
928: "Sourcegraph",
929: "Tailscale",
930: "Web3Storage",
}
DetectorType_value = map[string]int32{
"Alibaba": 0,
@ -2860,6 +2862,7 @@ var (
"Snowflake": 927,
"Sourcegraph": 928,
"Tailscale": 929,
"Web3Storage": 930,
}
)
@ -3238,7 +3241,7 @@ var file_detectors_proto_rawDesc = []byte{
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@ -4169,12 +4172,13 @@ var file_detectors_proto_rawDesc = []byte{
0x6e, 0x67, 0x46, 0x61, 0x63, 0x65, 0x10, 0x9e, 0x07, 0x12, 0x0e, 0x0a, 0x09, 0x53, 0x6e, 0x6f,
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0x6f, 0x74, 0x6f, 0x33,
}
var (

1
proto/detectors.proto
View file

@ -938,6 +938,7 @@ enum DetectorType {
Snowflake = 927;
Sourcegraph = 928;
Tailscale = 929;
Web3Storage = 930;
}
message Result {