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added azuresearchquerykey detector #2349

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97 changes: 97 additions & 0 deletions pkg/detectors/azuresearchquerykey/azuresearchquerykey.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,97 @@
package azuresearchquerykey

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 {
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{"azure"}) + `\b([0-9a-zA-Z]{52})\b`)
urlPat = regexp.MustCompile(detectors.PrefixRegex([]string{"azure"}) + `https:\/\/([0-9a-z]{5,40})\.search\.windows\.net\/indexes\/([0-9a-z]{5,40})\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{"azure"}
}

// FromData will find and optionally verify AzureSearchQueryKey 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)

for _, match := range matches {
if len(match) != 2 {
continue
}
resMatch := strings.TrimSpace(match[1])

for _, urlMatch := range urlMatches {
resTrim := strings.Split(strings.TrimSpace(urlMatch[0]), " ")
resUrlMatch := resTrim[len(resTrim)-1]

s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_AzureSearchQueryKey,
Raw: []byte(resMatch + resUrlMatch),
}
if verify {
client := s.client
if client == nil {
client = defaultClient
}
req, err := http.NewRequestWithContext(ctx, "GET", resUrlMatch+"/docs/$count?api-version=2023-10-01-Preview", nil)
if err != nil {
continue
}
req.Header.Add("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
} else if res.StatusCode == 401 || res.StatusCode == 403 {
// The secret is determinately not verified (nothing to do)
} else {
err = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
s1.SetVerificationError(err, resMatch)
}
} else {
s1.SetVerificationError(err, resMatch)
}
}

// 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_AzureSearchQueryKey
}
163 changes: 163 additions & 0 deletions pkg/detectors/azuresearchquerykey/azuresearchquerykey_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,163 @@
//go:build detectors
// +build detectors

package azuresearchquerykey

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

"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"

"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"

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

func TestAzuresearchquerykey_FromChunk(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors5")
if err != nil {
t.Fatalf("could not get test secrets from GCP: %s", err)
}
secret := testSecrets.MustGetField("AZURE_SEARCH_QUERY_KEY")
inactiveSecret := testSecrets.MustGetField("AZURE_SEARCH_QUERY_KEY_INACTIVE")
url := testSecrets.MustGetField("AZURE_SEARCH_QUERY_KEY_URL")

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 azure secret %s and azure url %s within", secret, url)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_AzureSearchQueryKey,
Verified: true,
},
},
wantErr: false,
wantVerificationErr: false,
},
{
name: "found, unverified",
s: Scanner{},
args: args{
ctx: context.Background(),
data: []byte(fmt.Sprintf("You can find a azure secret %s and azure url %s within but not valid", inactiveSecret, url)), // the secret would satisfy the regex but not pass validation
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_AzureSearchQueryKey,
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 azure secret %s and azure url %s within", secret, url)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_AzureSearchQueryKey,
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 azure secret %s and azure url %s within", secret, url)),
verify: true,
},
want: []detectors.Result{
{
DetectorType: detectorspb.DetectorType_AzureSearchQueryKey,
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("Azuresearchquerykey.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("Azuresearchquerykey.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 changes: 2 additions & 0 deletions pkg/engine/defaults.go
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ import (
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azuredevopspersonalaccesstoken"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azurefunctionkey"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azuresearchadminkey"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azuresearchquerykey"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azurestorage"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/bannerbear"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/baremetrics"
Expand Down Expand Up @@ -1610,6 +1611,7 @@ func DefaultDetectors() []detectors.Detector {
azurefunctionkey.Scanner{},
azuredevopspersonalaccesstoken.Scanner{},
azuresearchadminkey.Scanner{},
&azuresearchquerykey.Scanner{},
jiratoken_v2.Scanner{},
&googleoauth2.Scanner{},
}
Expand Down
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