mirror of
https://github.com/acepanel/panel.git
synced 2026-02-04 13:47:15 +08:00
343 lines
11 KiB
Go
343 lines
11 KiB
Go
package plugins
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import (
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"regexp"
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"strings"
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"github.com/goravel/framework/contracts/http"
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"github.com/goravel/framework/facades"
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"github.com/spf13/cast"
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"github.com/TheTNB/panel/v2/app/models"
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"github.com/TheTNB/panel/v2/internal"
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"github.com/TheTNB/panel/v2/internal/services"
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"github.com/TheTNB/panel/v2/pkg/h"
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"github.com/TheTNB/panel/v2/pkg/io"
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"github.com/TheTNB/panel/v2/pkg/os"
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"github.com/TheTNB/panel/v2/pkg/shell"
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"github.com/TheTNB/panel/v2/pkg/str"
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"github.com/TheTNB/panel/v2/pkg/types"
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)
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type Fail2banController struct {
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website internal.Website
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}
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func NewFail2banController() *Fail2banController {
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return &Fail2banController{
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website: services.NewWebsiteImpl(),
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}
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}
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// List 所有 Fail2ban 规则
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func (r *Fail2banController) List(ctx http.Context) http.Response {
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raw, err := io.Read("/etc/fail2ban/jail.local")
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, err.Error())
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}
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jailList := regexp.MustCompile(`\[(.*?)]`).FindAllStringSubmatch(raw, -1)
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if len(jailList) == 0 {
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return h.Error(ctx, http.StatusUnprocessableEntity, "Fail2ban 规则为空")
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}
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var jails []types.Fail2banJail
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for i, jail := range jailList {
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if i == 0 {
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continue
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}
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jailName := jail[1]
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jailRaw := str.Cut(raw, "# "+jailName+"-START", "# "+jailName+"-END")
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if len(jailRaw) == 0 {
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continue
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}
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jailEnabled := strings.Contains(jailRaw, "enabled = true")
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jailLogPath := regexp.MustCompile(`logpath = (.*)`).FindStringSubmatch(jailRaw)
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jailMaxRetry := regexp.MustCompile(`maxretry = (.*)`).FindStringSubmatch(jailRaw)
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jailFindTime := regexp.MustCompile(`findtime = (.*)`).FindStringSubmatch(jailRaw)
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jailBanTime := regexp.MustCompile(`bantime = (.*)`).FindStringSubmatch(jailRaw)
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jails = append(jails, types.Fail2banJail{
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Name: jailName,
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Enabled: jailEnabled,
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LogPath: jailLogPath[1],
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MaxRetry: cast.ToInt(jailMaxRetry[1]),
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FindTime: cast.ToInt(jailFindTime[1]),
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BanTime: cast.ToInt(jailBanTime[1]),
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})
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}
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paged, total := h.Paginate(ctx, jails)
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return h.Success(ctx, http.Json{
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"total": total,
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"items": paged,
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})
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}
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// Add 添加 Fail2ban 规则
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func (r *Fail2banController) Add(ctx http.Context) http.Response {
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if sanitize := h.Sanitize(ctx, map[string]string{
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"name": "required",
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"type": "required|in:website,service",
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"maxretry": "required",
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"findtime": "required",
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"bantime": "required",
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"website_name": "required_if:type,website",
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"website_mode": "required_if:type,website",
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"website_path": "required_if:website_mode,path",
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}); sanitize != nil {
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return sanitize
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}
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jailName := ctx.Request().Input("name")
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jailType := ctx.Request().Input("type")
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jailMaxRetry := ctx.Request().Input("maxretry")
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jailFindTime := ctx.Request().Input("findtime")
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jailBanTime := ctx.Request().Input("bantime")
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jailWebsiteName := ctx.Request().Input("website_name")
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jailWebsiteMode := ctx.Request().Input("website_mode")
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jailWebsitePath := ctx.Request().Input("website_path")
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raw, err := io.Read("/etc/fail2ban/jail.local")
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, err.Error())
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}
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if (strings.Contains(raw, "["+jailName+"]") && jailType == "service") || (strings.Contains(raw, "["+jailWebsiteName+"]"+"-cc") && jailType == "website" && jailWebsiteMode == "cc") || (strings.Contains(raw, "["+jailWebsiteName+"]"+"-path") && jailType == "website" && jailWebsiteMode == "path") {
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return h.Error(ctx, http.StatusUnprocessableEntity, "规则已存在")
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}
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switch jailType {
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case "website":
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var website models.Website
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err := facades.Orm().Query().Where("name", jailWebsiteName).FirstOrFail(&website)
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, "网站不存在")
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}
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config, err := r.website.GetConfig(website.ID)
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, "获取网站配置失败")
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}
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var ports string
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for _, port := range config.Ports {
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fields := strings.Fields(cast.ToString(port))
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ports += fields[0] + ","
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}
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rule := `
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# ` + jailWebsiteName + `-` + jailWebsiteMode + `-START
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[` + jailWebsiteName + `-` + jailWebsiteMode + `]
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enabled = true
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filter = haozi-` + jailWebsiteName + `-` + jailWebsiteMode + `
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port = ` + ports + `
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maxretry = ` + jailMaxRetry + `
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findtime = ` + jailFindTime + `
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bantime = ` + jailBanTime + `
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action = %(action_mwl)s
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logpath = /www/wwwlogs/` + website.Name + `.log
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# ` + jailWebsiteName + `-` + jailWebsiteMode + `-END
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`
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raw += rule
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if err = io.Write("/etc/fail2ban/jail.local", raw, 0644); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "写入Fail2ban规则失败")
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}
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var filter string
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if jailWebsiteMode == "cc" {
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filter = `
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[Definition]
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failregex = ^<HOST>\s-.*HTTP/.*$
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ignoreregex =
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`
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} else {
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filter = `
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[Definition]
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failregex = ^<HOST>\s-.*\s` + jailWebsitePath + `.*HTTP/.*$
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ignoreregex =
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`
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}
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if err = io.Write("/etc/fail2ban/filter.d/haozi-"+jailWebsiteName+"-"+jailWebsiteMode+".conf", filter, 0644); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "写入Fail2ban规则失败")
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}
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case "service":
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var logPath string
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var filter string
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var port string
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var err error
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switch jailName {
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case "ssh":
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if os.IsDebian() || os.IsUbuntu() {
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logPath = "/var/log/auth.log"
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} else {
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logPath = "/var/log/secure"
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}
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filter = "sshd"
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port, err = shell.Execf("cat /etc/ssh/sshd_config | grep 'Port ' | awk '{print $2}'")
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case "mysql":
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logPath = "/www/server/mysql/mysql-error.log"
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filter = "mysqld-auth"
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port, err = shell.Execf("cat /www/server/mysql/conf/my.cnf | grep 'port' | head -n 1 | awk '{print $3}'")
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case "pure-ftpd":
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logPath = "/var/log/messages"
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filter = "pure-ftpd"
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port, err = shell.Execf(`cat /www/server/pure-ftpd/etc/pure-ftpd.conf | grep "Bind" | awk '{print $2}' | awk -F "," '{print $2}'`)
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default:
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return h.Error(ctx, http.StatusUnprocessableEntity, "未知服务")
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}
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if len(port) == 0 || err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, "获取服务端口失败，请检查是否安装")
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}
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rule := `
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# ` + jailName + `-START
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[` + jailName + `]
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enabled = true
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filter = ` + filter + `
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port = ` + port + `
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maxretry = ` + jailMaxRetry + `
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findtime = ` + jailFindTime + `
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bantime = ` + jailBanTime + `
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action = %(action_mwl)s
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logpath = ` + logPath + `
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# ` + jailName + `-END
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`
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raw += rule
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if err := io.Write("/etc/fail2ban/jail.local", raw, 0644); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "写入Fail2ban规则失败")
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}
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}
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if _, err := shell.Execf("fail2ban-client reload"); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "重载配置失败")
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}
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return h.Success(ctx, nil)
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}
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// Delete 删除规则
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func (r *Fail2banController) Delete(ctx http.Context) http.Response {
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jailName := ctx.Request().Input("name")
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raw, err := io.Read("/etc/fail2ban/jail.local")
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, err.Error())
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}
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if !strings.Contains(raw, "["+jailName+"]") {
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return h.Error(ctx, http.StatusUnprocessableEntity, "规则不存在")
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}
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rule := str.Cut(raw, "# "+jailName+"-START", "# "+jailName+"-END")
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raw = strings.Replace(raw, "\n# "+jailName+"-START"+rule+"# "+jailName+"-END", "", -1)
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raw = strings.TrimSpace(raw)
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if err := io.Write("/etc/fail2ban/jail.local", raw, 0644); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "写入Fail2ban规则失败")
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}
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if _, err := shell.Execf("fail2ban-client reload"); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "重载配置失败")
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}
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return h.Success(ctx, nil)
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}
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// BanList 获取封禁列表
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func (r *Fail2banController) BanList(ctx http.Context) http.Response {
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name := ctx.Request().Input("name")
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if len(name) == 0 {
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return h.Error(ctx, http.StatusUnprocessableEntity, "缺少参数")
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}
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currentlyBan, err := shell.Execf(`fail2ban-client status %s | grep "Currently banned" | awk '{print $4}'`, name)
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if err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "获取封禁列表失败")
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}
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totalBan, err := shell.Execf(`fail2ban-client status %s | grep "Total banned" | awk '{print $4}'`, name)
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if err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "获取封禁列表失败")
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}
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bannedIp, err := shell.Execf(`fail2ban-client status %s | grep "Banned IP list" | awk -F ":" '{print $2}'`, name)
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if err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "获取封禁列表失败")
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}
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bannedIpList := strings.Split(bannedIp, " ")
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var list []map[string]string
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for _, ip := range bannedIpList {
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if len(ip) > 0 {
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list = append(list, map[string]string{
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"name": name,
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"ip": ip,
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})
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}
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}
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if list == nil {
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list = []map[string]string{}
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}
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return h.Success(ctx, http.Json{
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"currently_ban": currentlyBan,
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"total_ban": totalBan,
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"baned_list": list,
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})
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}
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// Unban 解封
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func (r *Fail2banController) Unban(ctx http.Context) http.Response {
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name := ctx.Request().Input("name")
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ip := ctx.Request().Input("ip")
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if len(name) == 0 || len(ip) == 0 {
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return h.Error(ctx, http.StatusUnprocessableEntity, "缺少参数")
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}
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if _, err := shell.Execf("fail2ban-client set %s unbanip %s", name, ip); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "解封失败")
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}
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return h.Success(ctx, nil)
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}
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// SetWhiteList 设置白名单
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func (r *Fail2banController) SetWhiteList(ctx http.Context) http.Response {
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ip := ctx.Request().Input("ip")
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if len(ip) == 0 {
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return h.Error(ctx, http.StatusUnprocessableEntity, "缺少参数")
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}
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raw, err := io.Read("/etc/fail2ban/jail.local")
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, err.Error())
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}
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// 正则替换
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reg := regexp.MustCompile(`ignoreip\s*=\s*.*\n`)
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if reg.MatchString(raw) {
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raw = reg.ReplaceAllString(raw, "ignoreip = "+ip+"\n")
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} else {
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return h.Error(ctx, http.StatusInternalServerError, "解析Fail2ban规则失败，Fail2ban可能已损坏")
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}
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if err := io.Write("/etc/fail2ban/jail.local", raw, 0644); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "写入Fail2ban规则失败")
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}
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if _, err := shell.Execf("fail2ban-client reload"); err != nil {
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return h.Error(ctx, http.StatusInternalServerError, "重载配置失败")
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}
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return h.Success(ctx, nil)
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}
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// GetWhiteList 获取白名单
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func (r *Fail2banController) GetWhiteList(ctx http.Context) http.Response {
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raw, err := io.Read("/etc/fail2ban/jail.local")
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if err != nil {
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return h.Error(ctx, http.StatusUnprocessableEntity, err.Error())
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}
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reg := regexp.MustCompile(`ignoreip\s*=\s*(.*)\n`)
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if reg.MatchString(raw) {
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ignoreIp := reg.FindStringSubmatch(raw)[1]
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return h.Success(ctx, ignoreIp)
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} else {
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return h.Error(ctx, http.StatusInternalServerError, "解析Fail2ban规则失败，Fail2ban可能已损坏")
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}
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}
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