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Files
panel/internal/apps/toolbox/service.go
2024-11-04 03:04:34 +08:00

321 lines
8.7 KiB
Go

package toolbox
import (
"net/http"
"path/filepath"
"regexp"
"strings"
"github.com/go-rat/chix"
"github.com/spf13/cast"
"github.com/TheTNB/panel/internal/app"
"github.com/TheTNB/panel/internal/service"
"github.com/TheTNB/panel/pkg/io"
"github.com/TheTNB/panel/pkg/ntp"
"github.com/TheTNB/panel/pkg/shell"
"github.com/TheTNB/panel/pkg/tools"
"github.com/TheTNB/panel/pkg/types"
)
type Service struct{}
func NewService() *Service {
return &Service{}
}
// GetDNS 获取 DNS 信息
func (s *Service) GetDNS(w http.ResponseWriter, r *http.Request) {
raw, err := io.Read("/etc/resolv.conf")
if err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
match := regexp.MustCompile(`nameserver\s+(\S+)`).FindAllStringSubmatch(raw, -1)
if len(match) == 0 {
service.Error(w, http.StatusInternalServerError, "找不到 DNS 信息")
return
}
var dns []string
for _, m := range match {
dns = append(dns, m[1])
}
service.Success(w, dns)
}
// UpdateDNS 设置 DNS 信息
func (s *Service) UpdateDNS(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[DNS](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
var dns string
dns += "nameserver " + req.DNS1 + "\n"
dns += "nameserver " + req.DNS2 + "\n"
if err := io.Write("/etc/resolv.conf", dns, 0644); err != nil {
service.Error(w, http.StatusInternalServerError, "写入 DNS 信息失败")
return
}
service.Success(w, nil)
}
// GetSWAP 获取 SWAP 信息
func (s *Service) GetSWAP(w http.ResponseWriter, r *http.Request) {
var total, used, free string
var size int64
if io.Exists(filepath.Join(app.Root, "swap")) {
file, err := io.FileInfo(filepath.Join(app.Root, "swap"))
if err != nil {
service.Error(w, http.StatusInternalServerError, "获取 SWAP 信息失败")
return
}
size = file.Size() / 1024 / 1024
total = tools.FormatBytes(float64(file.Size()))
} else {
size = 0
total = "0.00 B"
}
raw, err := shell.Execf("free | grep Swap")
if err != nil {
service.Error(w, http.StatusInternalServerError, "获取 SWAP 信息失败")
return
}
match := regexp.MustCompile(`Swap:\s+(\d+)\s+(\d+)\s+(\d+)`).FindStringSubmatch(raw)
if len(match) >= 4 {
used = tools.FormatBytes(cast.ToFloat64(match[2]) * 1024)
free = tools.FormatBytes(cast.ToFloat64(match[3]) * 1024)
}
service.Success(w, chix.M{
"total": total,
"size": size,
"used": used,
"free": free,
})
}
// UpdateSWAP 设置 SWAP 信息
func (s *Service) UpdateSWAP(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[SWAP](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
if io.Exists(filepath.Join(app.Root, "swap")) {
if _, err = shell.Execf("swapoff '%s'", filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if _, err = shell.Execf("rm -f '%s'", filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if _, err = shell.Execf(`sed -i "\|^%s|d" /etc/fstab`, filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
}
if req.Size > 1 {
var free string
free, err = shell.Execf("df -k %s | awk '{print $4}' | tail -n 1", app.Root)
if err != nil {
service.Error(w, http.StatusInternalServerError, "获取硬盘空间失败")
return
}
if cast.ToInt64(free)*1024 < req.Size*1024*1024 {
service.Error(w, http.StatusInternalServerError, "硬盘空间不足,当前剩余%s", tools.FormatBytes(cast.ToFloat64(free)))
return
}
btrfsCheck, _ := shell.Execf("df -T %s | awk '{print $2}' | tail -n 1", app.Root)
if strings.Contains(btrfsCheck, "btrfs") {
if _, err = shell.Execf("btrfs filesystem mkswapfile --size %dM --uuid clear %s", req.Size, filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
} else {
if _, err = shell.Execf("dd if=/dev/zero of=%s bs=1M count=%d", filepath.Join(app.Root, "swap"), req.Size); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if _, err = shell.Execf("mkswap -f '%s'", filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if err = io.Chmod(filepath.Join(app.Root, "swap"), 0600); err != nil {
service.Error(w, http.StatusInternalServerError, "设置 SWAP 权限失败")
return
}
}
if _, err = shell.Execf("swapon '%s'", filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if _, err = shell.Execf("echo '%s swap swap defaults 0 0' >> /etc/fstab", filepath.Join(app.Root, "swap")); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
}
service.Success(w, nil)
}
// GetTimezone 获取时区
func (s *Service) GetTimezone(w http.ResponseWriter, r *http.Request) {
raw, err := shell.Execf("timedatectl | grep zone")
if err != nil {
service.Error(w, http.StatusInternalServerError, "获取时区信息失败")
return
}
match := regexp.MustCompile(`zone:\s+(\S+)`).FindStringSubmatch(raw)
if len(match) == 0 {
service.Error(w, http.StatusInternalServerError, "找不到时区信息")
return
}
zonesRaw, err := shell.Execf("timedatectl list-timezones")
if err != nil {
service.Error(w, http.StatusInternalServerError, "获取时区列表失败")
return
}
zones := strings.Split(zonesRaw, "\n")
var zonesList []types.LV
for _, z := range zones {
zonesList = append(zonesList, types.LV{
Label: z,
Value: z,
})
}
service.Success(w, chix.M{
"timezone": match[1],
"timezones": zonesList,
})
}
// UpdateTimezone 设置时区
func (s *Service) UpdateTimezone(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Timezone](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
if _, err = shell.Execf("timedatectl set-timezone '%s'", req.Timezone); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
service.Success(w, nil)
}
// UpdateTime 设置时间
func (s *Service) UpdateTime(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Time](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
if err = ntp.UpdateSystemTime(req.Time); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
service.Success(w, nil)
}
// SyncTime 同步时间
func (s *Service) SyncTime(w http.ResponseWriter, r *http.Request) {
now, err := ntp.Now()
if err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
if err = ntp.UpdateSystemTime(now); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
service.Success(w, nil)
}
// GetHostname 获取主机名
func (s *Service) GetHostname(w http.ResponseWriter, r *http.Request) {
hostname, _ := io.Read("/etc/hostname")
service.Success(w, strings.TrimSpace(hostname))
}
// UpdateHostname 设置主机名
func (s *Service) UpdateHostname(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Hostname](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
if _, err = shell.Execf("hostnamectl set-hostname '%s'", req.Hostname); err != nil {
// 直接写 /etc/hostname
if err = io.Write("/etc/hostname", req.Hostname, 0644); err != nil {
service.Error(w, http.StatusInternalServerError, "写入主机名失败")
return
}
}
service.Success(w, nil)
}
// GetHosts 获取 hosts 信息
func (s *Service) GetHosts(w http.ResponseWriter, r *http.Request) {
hosts, _ := io.Read("/etc/hosts")
service.Success(w, hosts)
}
// UpdateHosts 设置 hosts 信息
func (s *Service) UpdateHosts(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Hosts](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
if err = io.Write("/etc/hosts", req.Hosts, 0644); err != nil {
service.Error(w, http.StatusInternalServerError, "写入 hosts 信息失败")
return
}
service.Success(w, nil)
}
// UpdateRootPassword 设置 root 密码
func (s *Service) UpdateRootPassword(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Password](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
req.Password = strings.ReplaceAll(req.Password, `'`, `\'`)
if _, err = shell.Execf(`yes '%s' | passwd root`, req.Password); err != nil {
service.Error(w, http.StatusInternalServerError, "%v", err)
return
}
service.Success(w, nil)
}