Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix: fixed verification endpoint and verification logic for brand fetch #3470

Open
wants to merge 7 commits into
base: main
Choose a base branch
from
Prev Previous commit
Next Next commit
feat: introduced a new detector for apis
Signed-off-by: Sahil Silare <sahilsilare@gmail.com>
  • Loading branch information
sahil9001 committed Nov 9, 2024
commit 29f2ea41f951aa10bbde05f8c875036cd660b312
73 changes: 73 additions & 0 deletions pkg/detectors/brandfetch/v1/brandfetch.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,73 @@
package brandfetch

import (
"context"
"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{}

// 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{"brandfetch"}) + `\b([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{"brandfetch"}
}

// FromData will find and optionally verify Brandfetch 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_Brandfetch,
Raw: []byte(resMatch),
}

if verify {
payload := strings.NewReader(`{
"domain": "www.example.com"
}`)
req, err := http.NewRequestWithContext(ctx, "POST", "https://api.brandfetch.io/v1/color", payload)
if err != nil {
continue
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("x-api-key", resMatch)
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
s1.Verified = true
}
}
}
results = append(results, s1)
}
return results, nil
}
func (s Scanner) Type() detectorspb.DetectorType {
return detectorspb.DetectorType_Brandfetch
}
func (s Scanner) Description() string {
return "Brandfetch is a service that provides brand data, including logos, colors, fonts, and more. Brandfetch API keys can be used to access this data."
}
120 changes: 120 additions & 0 deletions pkg/detectors/brandfetch/v1/brandfetch_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,120 @@
//go:build detectors
// +build detectors

package brandfetch

import (
"context"
"fmt"
"testing"
"time"

"github.com/kylelemons/godebug/pretty"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"

"github.com/trufflesecurity/trufflehog/v3/pkg/common"
"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
)

func TestBrandfetch_FromChunk(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors1")
if err != nil {
t.Fatalf("could not get test secrets from GCP: %s", err)
}
secret := testSecrets.MustGetField("BRANDFETCH")
inactiveSecret := testSecrets.MustGetField("BRANDFETCH_INACTIVE")

type args struct {
ctx context.Context
data []byte
verify bool
}
tests := []struct {
name string
s Scanner
args args
want []detectors.Result
wantErr bool
}{
{
name: "found, verified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a brandfetch secret %s within", secret)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_Brandfetch,
Verified: true,
},
},
wantErr: false,
},
{
name: "found, unverified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a brandfetch 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_Brandfetch,
Verified: false,
},
},
wantErr: 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,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := Scanner{}
got, err := s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
if (err != nil) != tt.wantErr {
t.Errorf("Brandfetch.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])
}
got[i].Raw = nil
}
if diff := pretty.Compare(got, tt.want); diff != "" {
t.Errorf("Brandfetch.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)
}
}
})
}
}
Original file line number Diff line number Diff line change
@@ -21,7 +21,7 @@ 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{"brandfetch"}) + `\b([a-zA-Z0-9=]{44})`)
keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"brandfetch"}) + `\b([a-zA-Z0-9=+/\-_!@#$%^&*()]{44})`)
)

// Keywords are used for efficiently pre-filtering chunks.
6 changes: 4 additions & 2 deletions pkg/engine/defaults.go
Original file line number Diff line number Diff line change
@@ -93,7 +93,8 @@ import (
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/box"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/boxoauth"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/braintreepayments"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch"
brandfetchV1 "github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch/v1"
brandfetchV2 "github.com/trufflesecurity/trufflehog/v3/pkg/detectors/brandfetch/v2"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/browserstack"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/browshot"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/bscscan"
@@ -1104,7 +1105,6 @@ func DefaultDetectors() []detectors.Detector {
alegra.Scanner{},
tatumio.Scanner{},
deepgram.Scanner{},
brandfetch.Scanner{},
typeform.Scanner{},
fxmarket.Scanner{},
ipapi.Scanner{},
@@ -1642,6 +1642,8 @@ func DefaultDetectors() []detectors.Detector {
meraki.Scanner{},
saladcloudapikey.Scanner{},
boxoauth.Scanner{},
brandfetchV1.Scanner{},
brandfetchV2.Scanner{},
apimetrics.Scanner{},
captainDataV1.Scanner{},
captainDataV2.Scanner{},