with queryier

internal/actions/action.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 
 	"git.front.kjuulh.io/kjuulh/kraken/internal/actions/builders"
+	"git.front.kjuulh.io/kjuulh/kraken/internal/actions/querier"
 	"git.front.kjuulh.io/kjuulh/kraken/internal/schema"
 	"git.front.kjuulh.io/kjuulh/kraken/internal/services/storage"
 	"go.uber.org/zap"
@@ -49,3 +50,28 @@ func (a *Action) Execute(ctx context.Context, area *storage.Area) error {
 
 	return nil
 }
+
+func (a *Action) Query(ctx context.Context, area *storage.Area) ([]string, error) {
+	for _, query := range a.Schema.Queries {
+		switch query.Type {
+		case "grep":
+			exe, err := querier.NewRipGrep(zap.L()).Build(ctx, a.SchemaPath, query.Query)
+			if err != nil {
+				return nil, err
+			}
+			output, err := exe(ctx, area.Path)
+			if err != nil {
+				return nil, err
+			}
+
+			zap.L().Debug("Execution done")
+
+			return output, nil
+
+		default:
+			return nil, errors.New("could not determine query type")
+		}
+	}
+
+	return nil, nil
+}

internal/actions/querier/ripgrep.go

@@ -0,0 +1,95 @@
+package querier
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os/exec"
+	"strings"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapio"
+)
+
+type RipGrep struct {
+	logger *zap.Logger
+}
+
+func NewRipGrep(logger *zap.Logger) *RipGrep {
+	return &RipGrep{logger: logger}
+}
+
+type RipGrepCommand func(ctx context.Context, victimPath string) ([]string, error)
+
+func (g *RipGrep) Build(ctx context.Context, modulePath, query string) (RipGrepCommand, error) {
+	g.logger.Debug("Pulling docker image", zap.String("actiondir", modulePath), zap.String("query", query))
+
+	pullDockerImage := "docker pull mbologna/docker-ripgrep"
+	g.logger.Debug("Running command", zap.String("command", pullDockerImage))
+
+	cmd := exec.CommandContext(
+		ctx,
+		"/bin/bash",
+		"-c",
+		pullDockerImage,
+	)
+
+	debugwriter := &zapio.Writer{
+		Log:   g.logger,
+		Level: zap.DebugLevel,
+	}
+	defer debugwriter.Close()
+
+	cmd.Stdout = debugwriter
+	cmd.Stderr = debugwriter
+	err := cmd.Start()
+	if err != nil {
+		return nil, err
+	}
+
+	err = cmd.Wait()
+	if err != nil {
+		return nil, err
+	}
+
+	g.logger.Debug("Docker image pulled")
+
+	return func(ctx context.Context, victimPath string) ([]string, error) {
+		g.logger.Debug("Executing script", zap.String("victim", victimPath))
+
+		cmd := exec.CommandContext(
+			ctx,
+			"/bin/bash",
+			"-c",
+			fmt.Sprintf("docker run --rm -v %s/:/data mbologna/docker-ripgrep rg -i %s", victimPath, query),
+		)
+
+		runDockerWriter := &zapio.Writer{
+			Log:   g.logger,
+			Level: zap.DebugLevel,
+		}
+		defer runDockerWriter.Close()
+
+		builder := &strings.Builder{}
+
+		combinedWriter := io.MultiWriter(runDockerWriter, builder)
+
+		cmd.Stdout = combinedWriter
+		cmd.Stderr = runDockerWriter
+
+		err = cmd.Start()
+		if err != nil {
+			return nil, err
+		}
+
+		err = cmd.Wait()
+
+		if err != nil {
+			return nil, err
+		}
+
+		contents := strings.Split(builder.String(), "\n")
+
+		return contents, nil
+	}, nil
+}