Fix panic err using flow templates with workflow (#5064)

* Fix panic err using flow templates with workflows

* Misc update

* skip test if pdcp keys are not present

---------

Co-authored-by: Tarun Koyalwar <tarun@projectdiscovery.io>

pkg/input/provider/list/hmap_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/projectdiscovery/nuclei/v3/pkg/protocols/common/protocolstate"
 	"github.com/projectdiscovery/nuclei/v3/pkg/types"
 	"github.com/projectdiscovery/nuclei/v3/pkg/utils/expand"
+	"github.com/projectdiscovery/utils/auth/pdcp"
 	"github.com/stretchr/testify/require"
 )
 
@@ -153,6 +154,13 @@ func Test_scanallips_normalizeStoreInputValue(t *testing.T) {
 }
 
 func Test_expandASNInputValue(t *testing.T) {
+	// skip this test if pdcp keys are not present
+	h := pdcp.PDCPCredHandler{}
+	creds, err := h.GetCreds()
+	if err != nil || creds == nil || creds.APIKey == "" {
+		t.Logf("Skipping asnmap test as pdcp keys are not present")
+		t.SkipNow()
+	}
 	tests := []struct {
 		asn                string
 		expectedOutputFile string

pkg/tmplexec/exec.go

@@ -205,9 +205,25 @@ func (e *TemplateExecuter) Execute(ctx *scan.ScanContext) (bool, error) {
 
 // ExecuteWithResults executes the protocol requests and returns results instead of writing them.
 func (e *TemplateExecuter) ExecuteWithResults(ctx *scan.ScanContext) ([]*output.ResultEvent, error) {
-	err := e.engine.ExecuteWithResults(ctx)
+	var errx error
-	ctx.LogError(err)
+	if e.options.Flow != "" {
-	return ctx.GenerateResult(), err
+		flowexec, err := flow.NewFlowExecutor(e.requests, ctx, e.options, e.results, e.program)
+		if err != nil {
+			ctx.LogError(err)
+			return nil, fmt.Errorf("could not create flow executor: %s", err)
+		}
+		if err := flowexec.Compile(); err != nil {
+			ctx.LogError(err)
+			return nil, err
+		}
+		errx = flowexec.ExecuteWithResults(ctx)
+	} else {
+		errx = e.engine.ExecuteWithResults(ctx)
+	}
+	if errx != nil {
+		ctx.LogError(errx)
+	}
+	return ctx.GenerateResult(), errx
 }
 
 // getTemplateType returns the template type of the template