Update minimum Go version to 1.20

Author: tech10

.github/workflows/build.yml

@@ -4,7 +4,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: ['1.15.15', '1.20.0']
+        go-version: ['1.20.0']
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:

go.mod

@@ -1,5 +1,5 @@
 module github.com/tech10/nvdaRemoteServer
 
-go 1.15
+go 1.20
 
 require github.com/tech10/panichandler v1.6.7

server/file.go

@@ -2,7 +2,6 @@ package server
 
 import (
 	"errors"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -89,5 +88,5 @@ func cdir(dir string) error {
 
 func file_read(file string) ([]byte, error) {
 	file = fullPath(file)
-	return ioutil.ReadFile(file)
+	return os.ReadFile(file)
 }

server/genKey.go

@@ -3,15 +3,13 @@ package server
 import (
 	"math/rand"
 	"strconv"
-	"time"
 )
 
 func gen_key() string {
 	min := 1000000
 	max := 10000000
 	var key string
 	var c *ClientChannel
-	rand.Seed(time.Now().UnixNano())
 	for i := 0; i < 20; i++ {
 		key = strconv.Itoa(rand.Intn(max-min) + min)
 		c = FindChannel(key)