fix: use of ioutil package (#5261)

* fix ioutil.NopCloser

* fix ioutil.ReadAll

* fix ioutil.ReadFile

* fix ioutil.WriteFile

* run goimports -w -format-only ./

* update CHANGELOG.md

server/web/context/input.go

@@ -19,7 +19,6 @@ import (
 	"compress/gzip"
 	"errors"
 	"io"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"net/url"
@@ -377,14 +376,14 @@ func (input *BeegoInput) CopyBody(MaxMemory int64) []byte {
 		if err != nil {
 			return nil
 		}
-		requestbody, _ = ioutil.ReadAll(reader)
+		requestbody, _ = io.ReadAll(reader)
 	} else {
-		requestbody, _ = ioutil.ReadAll(safe)
+		requestbody, _ = io.ReadAll(safe)
 	}
 
 	input.Context.Request.Body.Close()
 	bf := bytes.NewBuffer(requestbody)
-	input.Context.Request.Body = http.MaxBytesReader(input.Context.ResponseWriter, ioutil.NopCloser(bf), MaxMemory)
+	input.Context.Request.Body = http.MaxBytesReader(input.Context.ResponseWriter, io.NopCloser(bf), MaxMemory)
 	input.RequestBody = requestbody
 	return requestbody
 }

server/web/controller_test.go

@@ -17,7 +17,6 @@ package web
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"math"
 	"mime/multipart"
 	"net/http"
@@ -321,7 +320,7 @@ func testControllerRespTestCases(t *testing.T, tc respTestCase) {
 		t.Errorf("TestResponse() failed to validate response code for %s", tc.Accept)
 	}
 
-	bodyBytes, err := ioutil.ReadAll(response.Body)
+	bodyBytes, err := io.ReadAll(response.Body)
 	if err != nil {
 		t.Errorf("TestResponse() failed to parse response body for %s", tc.Accept)
 	}

server/web/grace/server.go

@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"net"
 	"net/http"
@@ -194,7 +193,7 @@ func (srv *Server) ListenMutualTLS(certFile string, keyFile string, trustFile st
 	srv.TLSConfig.Certificates[0] = cert
 	srv.TLSConfig.ClientAuth = tls.RequireAndVerifyClientCert
 	pool := x509.NewCertPool()
-	data, err := ioutil.ReadFile(trustFile)
+	data, err := os.ReadFile(trustFile)
 	if err != nil {
 		log.Println(err)
 		return nil, err

server/web/server.go

@@ -18,7 +18,6 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"net/http/fcgi"
@@ -257,7 +256,7 @@ func (app *HttpServer) Run(addr string, mws ...MiddleWare) {
 				app.Cfg.Listen.HTTPSCertFile, app.Cfg.Listen.HTTPSKeyFile = "", ""
 			} else if app.Cfg.Listen.EnableMutualHTTPS {
 				pool := x509.NewCertPool()
-				data, err := ioutil.ReadFile(app.Cfg.Listen.TrustCaFile)
+				data, err := os.ReadFile(app.Cfg.Listen.TrustCaFile)
 				if err != nil {
 					logs.Info("MutualHTTPS should provide TrustCaFile")
 					return

server/web/session/sess_file.go

@@ -18,7 +18,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 	"path"
@@ -167,7 +167,7 @@ func (fp *FileProvider) SessionRead(ctx context.Context, sid string) (Store, err
 
 	os.Chtimes(sidPath, time.Now(), time.Now())
 	var kv map[interface{}]interface{}
-	b, err := ioutil.ReadAll(f)
+	b, err := io.ReadAll(f)
 	if err != nil {
 		return nil, err
 	}
@@ -257,7 +257,7 @@ func (fp *FileProvider) SessionRegenerate(ctx context.Context, oldsid, sid strin
 	// 4.return FileSessionStore
 	_, err = os.Stat(oldSidFile)
 	if err == nil {
-		b, err := ioutil.ReadFile(oldSidFile)
+		b, err := os.ReadFile(oldSidFile)
 		if err != nil {
 			return nil, err
 		}
@@ -272,7 +272,7 @@ func (fp *FileProvider) SessionRegenerate(ctx context.Context, oldsid, sid strin
 			}
 		}
 
-		ioutil.WriteFile(newSidFile, b, 0o777)
+		os.WriteFile(newSidFile, b, 0o777)
 		os.Remove(oldSidFile)
 		os.Chtimes(newSidFile, time.Now(), time.Now())
 		ss := &FileSessionStore{sid: sid, values: kv}

server/web/staticfile_test.go

@@ -6,7 +6,6 @@ import (
 	"compress/zlib"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -32,7 +31,7 @@ func testOpenFile(encoding string, content []byte, t *testing.T) {
 
 func TestOpenStaticFile_1(t *testing.T) {
 	file, _ := os.Open(licenseFile)
-	content, _ := ioutil.ReadAll(file)
+	content, _ := io.ReadAll(file)
 	testOpenFile("", content, t)
 }
 
@@ -42,7 +41,7 @@ func TestOpenStaticFileGzip_1(t *testing.T) {
 	fileWriter, _ := gzip.NewWriterLevel(&zipBuf, gzip.BestCompression)
 	io.Copy(fileWriter, file)
 	fileWriter.Close()
-	content, _ := ioutil.ReadAll(&zipBuf)
+	content, _ := io.ReadAll(&zipBuf)
 
 	testOpenFile("gzip", content, t)
 }
@@ -53,7 +52,7 @@ func TestOpenStaticFileDeflate_1(t *testing.T) {
 	fileWriter, _ := zlib.NewWriterLevel(&zipBuf, zlib.BestCompression)
 	io.Copy(fileWriter, file)
 	fileWriter.Close()
-	content, _ := ioutil.ReadAll(&zipBuf)
+	content, _ := io.ReadAll(&zipBuf)
 
 	testOpenFile("deflate", content, t)
 }
@@ -89,7 +88,7 @@ func assetOpenFileAndContent(sch *serveContentHolder, reader *serveContentReader
 		t.Log("static content file size not same")
 		t.Fail()
 	}
-	bs, _ := ioutil.ReadAll(reader)
+	bs, _ := io.ReadAll(reader)
 	for i, v := range content {
 		if v != bs[i] {
 			t.Log("content not same")

server/web/template.go

@@ -19,7 +19,6 @@ import (
 	"fmt"
 	"html/template"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -250,7 +249,7 @@ func getTplDeep(root string, fs http.FileSystem, file string, parent string, t *
 		panic("can't find template file:" + file)
 	}
 	defer f.Close()
-	data, err := ioutil.ReadAll(f)
+	data, err := io.ReadAll(f)
 	if err != nil {
 		return nil, [][]string{}, err
 	}
@@ -324,7 +323,7 @@ func _getTemplate(t0 *template.Template, root string, fs http.FileSystem, subMod
 					logs.Trace("template file parse error, not success open file:", err)
 					continue
 				}
-				data, err = ioutil.ReadAll(f)
+				data, err = io.ReadAll(f)
 				f.Close()
 				if err != nil {
 					logs.Trace("template file parse error, not success read file:", err)