mirror of
https://github.com/tnb-labs/panel.git
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耗子
355 lines
10 KiB
Go
355 lines
10 KiB
Go
package controllers
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import (
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"regexp"
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"strings"
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commonrequests "github.com/TheTNB/panel/app/http/requests/common"
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"github.com/goravel/framework/contracts/http"
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"github.com/spf13/cast"
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"github.com/TheTNB/panel/pkg/tools"
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)
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type SafeController struct {
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ssh string
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}
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func NewSafeController() *SafeController {
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var ssh string
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if tools.IsRHEL() {
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ssh = "sshd"
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} else {
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ssh = "ssh"
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}
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return &SafeController{
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ssh: ssh,
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}
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}
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// GetFirewallStatus 获取防火墙状态
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func (r *SafeController) GetFirewallStatus(ctx http.Context) http.Response {
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return Success(ctx, r.firewallStatus())
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}
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// SetFirewallStatus 设置防火墙状态
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func (r *SafeController) SetFirewallStatus(ctx http.Context) http.Response {
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var err error
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if ctx.Request().InputBool("status") {
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if tools.IsRHEL() {
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err = tools.ServiceStart("firewalld")
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} else {
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_, err = tools.Exec("echo y | ufw enable")
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}
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} else {
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if tools.IsRHEL() {
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err = tools.ServiceStop("firewalld")
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} else {
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_, err = tools.Exec("ufw disable")
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}
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}
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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return Success(ctx, nil)
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}
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// GetFirewallRules 获取防火墙规则
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func (r *SafeController) GetFirewallRules(ctx http.Context) http.Response {
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var paginateRequest commonrequests.Paginate
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sanitize := Sanitize(ctx, &paginateRequest)
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if sanitize != nil {
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return sanitize
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}
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if !r.firewallStatus() {
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return Success(ctx, nil)
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}
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var rules []map[string]string
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if tools.IsRHEL() {
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out, err := tools.Exec("firewall-cmd --list-all 2>&1")
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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match := regexp.MustCompile(`ports: (.*)`).FindStringSubmatch(out)
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if len(match) == 0 {
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return Success(ctx, http.Json{
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"total": 0,
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"items": []map[string]string{},
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})
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}
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ports := strings.Split(match[1], " ")
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for _, port := range ports {
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rule := strings.Split(port, "/")
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rules = append(rules, map[string]string{
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"port": rule[0],
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"protocol": rule[1],
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})
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}
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} else {
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out, err := tools.Exec("ufw status | grep -v '(v6)' | grep ALLOW | awk '{print $1}'")
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if len(out) == 0 {
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return Success(ctx, http.Json{
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"total": 0,
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"items": []map[string]string{},
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})
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}
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for _, port := range strings.Split(out, "\n") {
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rule := strings.Split(port, "/")
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rules = append(rules, map[string]string{
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"port": rule[0],
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"protocol": rule[1],
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})
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}
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}
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startIndex := (paginateRequest.Page - 1) * paginateRequest.Limit
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endIndex := paginateRequest.Page * paginateRequest.Limit
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if startIndex > len(rules) {
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return Success(ctx, http.Json{
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"total": 0,
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"items": []map[string]string{},
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})
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}
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if endIndex > len(rules) {
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endIndex = len(rules)
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}
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pagedRules := rules[startIndex:endIndex]
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return Success(ctx, http.Json{
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"total": len(rules),
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"items": pagedRules,
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})
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}
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// AddFirewallRule 添加防火墙规则
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func (r *SafeController) AddFirewallRule(ctx http.Context) http.Response {
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if !r.firewallStatus() {
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return Error(ctx, http.StatusInternalServerError, "防火墙未启动")
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}
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port := ctx.Request().Input("port")
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protocol := ctx.Request().Input("protocol")
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if port == "" || protocol == "" || (protocol != "tcp" && protocol != "udp") {
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return Error(ctx, http.StatusUnprocessableEntity, "参数错误")
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}
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// 端口有 2 种写法，一种是 80-443，一种是 80
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if strings.Contains(port, "-") {
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ports := strings.Split(port, "-")
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startPort := cast.ToInt(ports[0])
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endPort := cast.ToInt(ports[1])
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if startPort < 1 || startPort > 65535 || endPort < 1 || endPort > 65535 || startPort > endPort {
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return Error(ctx, http.StatusUnprocessableEntity, "参数错误")
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}
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} else {
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port := cast.ToInt(port)
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if port < 1 || port > 65535 {
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return Error(ctx, http.StatusUnprocessableEntity, "参数错误")
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}
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}
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if tools.IsRHEL() {
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if out, err := tools.Exec("firewall-cmd --remove-port=" + cast.ToString(port) + "/" + protocol + " --permanent 2>&1"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("firewall-cmd --add-port=" + cast.ToString(port) + "/" + protocol + " --permanent 2>&1"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("firewall-cmd --reload"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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} else {
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// ufw 需要替换 - 为 : 添加
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if strings.Contains(port, "-") {
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port = strings.ReplaceAll(port, "-", ":")
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}
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if out, err := tools.Exec("ufw delete allow " + cast.ToString(port) + "/" + protocol); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("ufw allow " + cast.ToString(port) + "/" + protocol); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("ufw reload"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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}
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return Success(ctx, nil)
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}
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// DeleteFirewallRule 删除防火墙规则
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func (r *SafeController) DeleteFirewallRule(ctx http.Context) http.Response {
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if !r.firewallStatus() {
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return Error(ctx, http.StatusUnprocessableEntity, "防火墙未启动")
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}
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port := ctx.Request().InputInt("port", 0)
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protocol := ctx.Request().Input("protocol", "")
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if port == 0 || protocol == "" {
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return Error(ctx, http.StatusUnprocessableEntity, "参数错误")
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}
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if tools.IsRHEL() {
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if out, err := tools.Exec("firewall-cmd --remove-port=" + cast.ToString(port) + "/" + protocol + " --permanent 2>&1"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("firewall-cmd --reload"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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} else {
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if out, err := tools.Exec("ufw delete allow " + cast.ToString(port) + "/" + protocol); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if out, err := tools.Exec("ufw reload"); err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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}
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return Success(ctx, nil)
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}
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// firewallStatus 获取防火墙状态
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func (r *SafeController) firewallStatus() bool {
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var running bool
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if tools.IsRHEL() {
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running, _ = tools.ServiceStatus("firewalld")
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} else {
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running, _ = tools.ServiceStatus("ufw")
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}
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return running
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}
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// GetSshStatus 获取 SSH 状态
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func (r *SafeController) GetSshStatus(ctx http.Context) http.Response {
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running, err := tools.ServiceStatus(r.ssh)
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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return Success(ctx, running)
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}
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// SetSshStatus 设置 SSH 状态
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func (r *SafeController) SetSshStatus(ctx http.Context) http.Response {
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if ctx.Request().InputBool("status") {
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if err := tools.ServiceEnable(r.ssh); err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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if err := tools.ServiceStart(r.ssh); err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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} else {
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if err := tools.ServiceStop(r.ssh); err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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if err := tools.ServiceDisable(r.ssh); err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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}
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return Success(ctx, nil)
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}
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// GetSshPort 获取 SSH 端口
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func (r *SafeController) GetSshPort(ctx http.Context) http.Response {
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out, err := tools.Exec("cat /etc/ssh/sshd_config | grep 'Port ' | awk '{print $2}'")
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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return Success(ctx, cast.ToInt(out))
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}
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// SetSshPort 设置 SSH 端口
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func (r *SafeController) SetSshPort(ctx http.Context) http.Response {
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port := ctx.Request().InputInt("port", 0)
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if port == 0 {
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return Error(ctx, http.StatusUnprocessableEntity, "参数错误")
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}
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oldPort, err := tools.Exec("cat /etc/ssh/sshd_config | grep 'Port ' | awk '{print $2}'")
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, oldPort)
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}
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_, _ = tools.Exec("sed -i 's/#Port " + oldPort + "/Port " + cast.ToString(port) + "/g' /etc/ssh/sshd_config")
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_, _ = tools.Exec("sed -i 's/Port " + oldPort + "/Port " + cast.ToString(port) + "/g' /etc/ssh/sshd_config")
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status, _ := tools.ServiceStatus(r.ssh)
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if status {
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_ = tools.ServiceRestart(r.ssh)
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}
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return Success(ctx, nil)
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}
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// GetPingStatus 获取 Ping 状态
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func (r *SafeController) GetPingStatus(ctx http.Context) http.Response {
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if tools.IsRHEL() {
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out, err := tools.Exec(`firewall-cmd --list-all 2>&1`)
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if !strings.Contains(out, `rule protocol value="icmp" drop`) {
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return Success(ctx, true)
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} else {
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return Success(ctx, false)
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}
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} else {
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config, err := tools.Read("/etc/ufw/before.rules")
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, err.Error())
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}
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if strings.Contains(config, "-A ufw-before-input -p icmp --icmp-type echo-request -j ACCEPT") {
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return Success(ctx, true)
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} else {
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return Success(ctx, false)
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}
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}
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}
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// SetPingStatus 设置 Ping 状态
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func (r *SafeController) SetPingStatus(ctx http.Context) http.Response {
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var out string
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var err error
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if tools.IsRHEL() {
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if ctx.Request().InputBool("status") {
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out, err = tools.Exec(`firewall-cmd --permanent --remove-rich-rule='rule protocol value=icmp drop'`)
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} else {
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out, err = tools.Exec(`firewall-cmd --permanent --add-rich-rule='rule protocol value=icmp drop'`)
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}
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} else {
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if ctx.Request().InputBool("status") {
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out, err = tools.Exec(`sed -i 's/-A ufw-before-input -p icmp --icmp-type echo-request -j DROP/-A ufw-before-input -p icmp --icmp-type echo-request -j ACCEPT/g' /etc/ufw/before.rules`)
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} else {
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out, err = tools.Exec(`sed -i 's/-A ufw-before-input -p icmp --icmp-type echo-request -j ACCEPT/-A ufw-before-input -p icmp --icmp-type echo-request -j DROP/g' /etc/ufw/before.rules`)
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}
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}
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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if tools.IsRHEL() {
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out, err = tools.Exec(`firewall-cmd --reload`)
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} else {
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out, err = tools.Exec(`ufw reload`)
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}
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if err != nil {
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return Error(ctx, http.StatusInternalServerError, out)
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}
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return Success(ctx, nil)
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}
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