chore: fix lint warnings

Signed-off-by: Cosmin Cojocar <[email protected]>

Author: ccojocar

analyzer_test.go

@@ -2,7 +2,6 @@ package gosec_test
 
 import (
 	"errors"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
@@ -30,7 +29,7 @@ var _ = Describe("Analyzer", func() {
 	Context("when processing a package", func() {
 		It("should not report an error if the package contains no Go files", func() {
 			analyzer.LoadRules(rules.Generate(false).RulesInfo())
-			dir, err := ioutil.TempDir("", "empty")
+			dir, err := os.MkdirTemp("", "empty")
 			defer os.RemoveAll(dir)
 			Expect(err).ShouldNot(HaveOccurred())
 			err = analyzer.Process(buildTags, dir)

cmd/gosec/main.go

@@ -17,7 +17,7 @@ package main
 import (
 	"flag"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"os"
 	"runtime"
@@ -354,7 +354,7 @@ func main() {
 	}
 
 	if *flagQuiet {
-		logger = log.New(ioutil.Discard, "", 0)
+		logger = log.New(io.Discard, "", 0)
 	} else {
 		logger = log.New(logWriter, "[gosec] ", log.LstdFlags)
 	}

cmd/tlsconfig/tlsconfig.go

@@ -7,9 +7,9 @@ import (
 	"flag"
 	"fmt"
 	"go/format"
-	"io/ioutil"
 	"log"
 	"net/http"
+	"os"
 	"path/filepath"
 
 	"github.com/mozilla/tls-observatory/constants"
@@ -187,7 +187,7 @@ func main() {
 	}
 
 	outputPath := filepath.Join(dir, *outputFile)
-	if err := ioutil.WriteFile(outputPath, src, 0o644); err != nil {
+	if err := os.WriteFile(outputPath, src, 0o644); err != nil {
 		log.Fatalf("Writing output: %s", err)
 	} //#nosec G306
 }

config.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 )
 
 const (
@@ -64,7 +63,7 @@ func (c Config) convertGlobals() {
 // should be used with io.Reader to load configuration from
 // file or from string etc.
 func (c Config) ReadFrom(r io.Reader) (int64, error) {
-	data, err := ioutil.ReadAll(r)
+	data, err := io.ReadAll(r)
 	if err != nil {
 		return int64(len(data)), err
 	}

helpers_test.go

@@ -2,7 +2,6 @@ package gosec_test
 
 import (
 	"go/ast"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -18,9 +17,9 @@ var _ = Describe("Helpers", func() {
 		var dir string
 		JustBeforeEach(func() {
 			var err error
-			dir, err = ioutil.TempDir("", "gosec")
+			dir, err = os.MkdirTemp("", "gosec")
 			Expect(err).ShouldNot(HaveOccurred())
-			_, err = ioutil.TempFile(dir, "test*.go")
+			_, err = os.MkdirTemp(dir, "test*.go")
 			Expect(err).ShouldNot(HaveOccurred())
 		})
 		AfterEach(func() {

testutils/pkg.go

@@ -3,7 +3,6 @@ package testutils
 import (
 	"fmt"
 	"go/build"
-	"io/ioutil"
 	"log"
 	"os"
 	"path"
@@ -30,7 +29,7 @@ type TestPackage struct {
 // NewTestPackage will create a new and empty package. Must call Close() to cleanup
 // auxiliary files
 func NewTestPackage() *TestPackage {
-	workingDir, err := ioutil.TempDir("", "gosecs_test")
+	workingDir, err := os.MkdirTemp("", "gosecs_test")
 	if err != nil {
 		return nil
 	}
@@ -53,7 +52,7 @@ func (p *TestPackage) write() error {
 		return nil
 	}
 	for filename, content := range p.Files {
-		if e := ioutil.WriteFile(filename, []byte(content), 0o644); e != nil {
+		if e := os.WriteFile(filename, []byte(content), 0o644); e != nil {
 			return e
 		} //#nosec G306
 	}