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rule.go
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rule.go
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// Package control 控制插件的启用与优先级等
package control
import (
"crypto/md5"
"encoding/binary"
"fmt"
"os"
"strconv"
"strings"
"sync"
log "github.com/sirupsen/logrus"
zero "github.com/wdvxdr1123/ZeroBot"
"github.com/wdvxdr1123/ZeroBot/extension"
"github.com/wdvxdr1123/ZeroBot/message"
"github.com/wdvxdr1123/ZeroBot/utils/helper"
"github.com/FloatTech/zbputils/sql"
"github.com/FloatTech/zbputils/txt2img"
)
var (
db = &sql.Sqlite{DBPath: "data/control/plugins.db"}
// managers 每个插件对应的管理
managers = map[string]*Control{}
mu = sync.RWMutex{}
hasinit bool
)
// Control is to control the plugins.
type Control struct {
sync.RWMutex
service string
options Options
}
// newctrl returns Manager with settings.
func newctrl(service string, o *Options) *Control {
m := &Control{service: service,
options: func() Options {
if o == nil {
return Options{}
}
return *o
}(),
}
mu.Lock()
managers[service] = m
mu.Unlock()
err := db.Create(service, &grpcfg{})
if err != nil {
panic(err)
}
err = db.Create(service+"ban", &ban{})
if err != nil {
panic(err)
}
return m
}
// Enable enables a group to pass the Manager.
// groupID == 0 (ALL) will operate on all grps.
func (m *Control) Enable(groupID int64) {
var c grpcfg
m.RLock()
err := db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(groupID, 10))
m.RUnlock()
if err != nil {
c.GroupID = groupID
}
c.Disable = int64(uint64(c.Disable) & 0xffffffff_fffffffe)
m.Lock()
err = db.Insert(m.service, &c)
m.Unlock()
if err != nil {
log.Errorf("[control] %v", err)
}
}
// Disable disables a group to pass the Manager.
// groupID == 0 (ALL) will operate on all grps.
func (m *Control) Disable(groupID int64) {
var c grpcfg
m.RLock()
err := db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(groupID, 10))
m.RUnlock()
if err != nil {
c.GroupID = groupID
}
c.Disable |= 1
m.Lock()
err = db.Insert(m.service, &c)
m.Unlock()
if err != nil {
log.Errorf("[control] %v", err)
}
}
// Reset resets the default config of a group.
// groupID == 0 (ALL) is not allowed.
func (m *Control) Reset(groupID int64) {
if groupID != 0 {
m.Lock()
err := db.Del(m.service, "WHERE gid = "+strconv.FormatInt(groupID, 10))
m.Unlock()
if err != nil {
log.Errorf("[control] %v", err)
}
}
}
// IsEnabledIn 开启群
func (m *Control) IsEnabledIn(gid int64) bool {
var c grpcfg
var err error
log.Debugln("[control] IsEnabledIn recv gid =", gid)
if gid != 0 {
m.RLock()
err = db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(gid, 10))
m.RUnlock()
if err == nil && gid == c.GroupID {
log.Debugf("[control] plugin %s of grp %d : %d", m.service, c.GroupID, c.Disable&1)
return c.Disable&1 == 0
}
}
m.RLock()
err = db.Find(m.service, &c, "WHERE gid = 0")
m.RUnlock()
if err == nil && c.GroupID == 0 {
log.Debugf("[control] plugin %s of all : %d", m.service, c.Disable&1)
return c.Disable&1 == 0
}
return !m.options.DisableOnDefault
}
// Ban 禁止某人在某群使用本插件
func (m *Control) Ban(uid, gid int64) {
var err error
var digest [16]byte
log.Debugln("[control] Ban recv gid =", gid, "uid =", uid)
if gid != 0 { // 特定群
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_%d", uid, gid)))
m.RLock()
err = db.Insert(m.service+"ban", &ban{ID: int64(binary.LittleEndian.Uint64(digest[:8])), UserID: uid, GroupID: gid})
m.RUnlock()
if err == nil {
log.Debugf("[control] plugin %s is banned in grp %d for usr %d.", m.service, gid, uid)
return
}
}
// 所有群
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_all", uid)))
m.RLock()
err = db.Insert(m.service+"ban", &ban{ID: int64(binary.LittleEndian.Uint64(digest[:8])), UserID: uid, GroupID: 0})
m.RUnlock()
if err == nil {
log.Debugf("[control] plugin %s is banned in all grp for usr %d.", m.service, uid)
}
}
// Permit 允许某人在某群使用本插件
func (m *Control) Permit(uid, gid int64) {
var digest [16]byte
log.Debugln("[control] Permit recv gid =", gid, "uid =", uid)
if gid != 0 { // 特定群
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_%d", uid, gid)))
m.RLock()
_ = db.Del(m.service+"ban", "WHERE id = "+strconv.FormatInt(int64(binary.LittleEndian.Uint64(digest[:8])), 10))
m.RUnlock()
log.Debugf("[control] plugin %s is permitted in grp %d for usr %d.", m.service, gid, uid)
return
}
// 所有群
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_all", uid)))
m.RLock()
_ = db.Del(m.service+"ban", "WHERE id = "+strconv.FormatInt(int64(binary.LittleEndian.Uint64(digest[:8])), 10))
m.RUnlock()
log.Debugf("[control] plugin %s is permitted in all grp for usr %d.", m.service, uid)
}
// IsBannedIn 某人是否在某群被 ban
func (m *Control) IsBannedIn(uid, gid int64) bool {
var b ban
var err error
var digest [16]byte
log.Debugln("[control] IsBannedIn recv gid =", gid, "uid =", uid)
if gid != 0 {
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_%d", uid, gid)))
m.RLock()
err = db.Find(m.service+"ban", &b, "WHERE id = "+strconv.FormatInt(int64(binary.LittleEndian.Uint64(digest[:8])), 10))
m.RUnlock()
if err == nil && gid == b.GroupID && uid == b.UserID {
log.Debugf("[control] plugin %s is banned in grp %d for usr %d.", m.service, b.GroupID, b.UserID)
return true
}
}
digest = md5.Sum(helper.StringToBytes(fmt.Sprintf("%d_all", uid)))
m.RLock()
err = db.Find(m.service+"ban", &b, "WHERE id = "+strconv.FormatInt(int64(binary.LittleEndian.Uint64(digest[:8])), 10))
m.RUnlock()
if err == nil && b.GroupID == 0 && uid == b.UserID {
log.Debugf("[control] plugin %s is banned in all grp for usr %d.", m.service, b.UserID)
return true
}
return false
}
// GetData 获取某个群的 63 字节配置信息
func (m *Control) GetData(gid int64) int64 {
var c grpcfg
var err error
log.Debugln("[control] IsEnabledIn recv gid =", gid)
m.RLock()
err = db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(gid, 10))
m.RUnlock()
if err == nil && gid == c.GroupID {
log.Debugf("[control] plugin %s of grp %d : 0x%x", m.service, c.GroupID, c.Disable>>1)
return c.Disable >> 1
}
return 0
}
// SetData 为某个群设置低 63 位配置数据
func (m *Control) SetData(groupID int64, data int64) error {
var c grpcfg
m.RLock()
err := db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(groupID, 10))
m.RUnlock()
if err != nil {
c.GroupID = groupID
if m.options.DisableOnDefault {
c.Disable = 1
}
}
c.Disable &= 1
c.Disable |= data << 1
log.Debugf("[control] set plugin %s of grp %d : 0x%x", m.service, c.GroupID, data)
m.Lock()
err = db.Insert(m.service, &c)
m.Unlock()
if err != nil {
log.Errorf("[control] %v", err)
}
return err
}
// Handler 返回 预处理器
func (m *Control) Handler(ctx *zero.Ctx) bool {
ctx.State["manager"] = m
grp := ctx.Event.GroupID
if grp == 0 {
// 个人用户
return m.IsEnabledIn(-ctx.Event.UserID)
}
log.Debugln("[control] handler get gid =", grp)
return m.IsEnabledIn(grp) && !m.IsBannedIn(ctx.Event.UserID, grp)
}
// Lookup returns a Manager by the service name, if
// not exist, it will return nil.
func Lookup(service string) (*Control, bool) {
mu.RLock()
m, ok := managers[service]
mu.RUnlock()
return m, ok
}
// ForEach iterates through managers.
func ForEach(iterator func(key string, manager *Control) bool) {
mu.RLock()
m := copyMap(managers)
mu.RUnlock()
for k, v := range m {
if !iterator(k, v) {
return
}
}
}
func copyMap(m map[string]*Control) map[string]*Control {
ret := make(map[string]*Control, len(m))
for k, v := range m {
ret[k] = v
}
return ret
}
func userOrGrpAdmin(ctx *zero.Ctx) bool {
if zero.OnlyGroup(ctx) {
return zero.AdminPermission(ctx)
}
return zero.OnlyToMe(ctx)
}
func init() {
if !hasinit {
mu.Lock()
if !hasinit {
err := os.MkdirAll("data/control", 0755)
if err != nil {
panic(err)
} else {
hasinit = true
zero.OnCommandGroup([]string{
"启用", "enable", "禁用", "disable",
}, userOrGrpAdmin).SetBlock(true).FirstPriority().Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
service, ok := Lookup(model.Args)
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
grp := ctx.Event.GroupID
if grp == 0 {
// 个人用户
grp = -ctx.Event.UserID
}
if strings.Contains(model.Command, "启用") || strings.Contains(model.Command, "enable") {
service.Enable(grp)
ctx.SendChain(message.Text("已启用服务: " + model.Args))
} else {
service.Disable(grp)
ctx.SendChain(message.Text("已禁用服务: " + model.Args))
}
})
zero.OnCommandGroup([]string{
"全局启用", "enableall", "全局禁用", "disableall",
}, zero.OnlyToMe, zero.SuperUserPermission).SetBlock(true).FirstPriority().Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
service, ok := Lookup(model.Args)
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
if strings.Contains(model.Command, "启用") || strings.Contains(model.Command, "enable") {
service.Enable(0)
ctx.SendChain(message.Text("已全局启用服务: " + model.Args))
} else {
service.Disable(0)
ctx.SendChain(message.Text("已全局禁用服务: " + model.Args))
}
})
zero.OnCommandGroup([]string{"还原", "reset"}, userOrGrpAdmin).SetBlock(true).FirstPriority().Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
service, ok := Lookup(model.Args)
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
grp := ctx.Event.GroupID
if grp == 0 {
// 个人用户
grp = -ctx.Event.UserID
}
service.Reset(grp)
ctx.SendChain(message.Text("已还原服务的默认启用状态: " + model.Args))
})
zero.OnCommandGroup([]string{
"禁止", "ban", "允许", "permit",
}, zero.OnlyGroup, zero.AdminPermission).SetBlock(true).FirstPriority().Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
args := strings.Split(model.Args, " ")
if len(args) >= 2 {
service, ok := Lookup(args[0])
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
grp := ctx.Event.GroupID
msg := "**" + args[0] + "报告**"
if strings.Contains(model.Command, "允许") || strings.Contains(model.Command, "permit") {
for _, usr := range args[1:] {
uid, err := strconv.ParseInt(usr, 10, 64)
if err == nil {
service.Permit(uid, grp)
msg += "\n+ 已允许" + usr
}
}
} else {
for _, usr := range args[1:] {
uid, err := strconv.ParseInt(usr, 10, 64)
if err == nil {
service.Ban(uid, grp)
msg += "\n- 已禁止" + usr
}
}
}
ctx.SendChain(message.Text(msg))
return
}
ctx.SendChain(message.Text("参数错误!"))
})
zero.OnCommandGroup([]string{
"全局禁止", "banall", "全局允许", "permitall",
}, zero.OnlyGroup, zero.SuperUserPermission).SetBlock(true).FirstPriority().Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
args := strings.Split(model.Args, " ")
if len(args) >= 2 {
service, ok := Lookup(args[0])
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
msg := "**" + args[0] + "全局报告**"
if strings.Contains(model.Command, "允许") || strings.Contains(model.Command, "permit") {
for _, usr := range args[1:] {
uid, err := strconv.ParseInt(usr, 10, 64)
if err == nil {
service.Permit(uid, 0)
msg += "\n+ 已允许" + usr
}
}
} else {
for _, usr := range args[1:] {
uid, err := strconv.ParseInt(usr, 10, 64)
if err == nil {
service.Ban(uid, 0)
msg += "\n- 已禁止" + usr
}
}
}
ctx.SendChain(message.Text(msg))
return
}
ctx.SendChain(message.Text("参数错误!"))
})
zero.OnCommandGroup([]string{"用法", "usage"}, userOrGrpAdmin).SetBlock(true).FirstPriority().
Handle(func(ctx *zero.Ctx) {
model := extension.CommandModel{}
_ = ctx.Parse(&model)
service, ok := Lookup(model.Args)
if !ok {
ctx.SendChain(message.Text("没有找到指定服务!"))
return
}
if service.options.Help != "" {
ctx.SendChain(message.Text(service.options.Help))
} else {
ctx.SendChain(message.Text("该服务无帮助!"))
}
})
zero.OnCommandGroup([]string{"服务列表", "service_list"}, userOrGrpAdmin).SetBlock(true).FirstPriority().
Handle(func(ctx *zero.Ctx) {
msg := "--------服务列表--------\n发送\"/用法 name\"查看详情"
i := 0
gid := ctx.Event.GroupID
ForEach(func(key string, manager *Control) bool {
i++
msg += "\n" + strconv.Itoa(i) + `: `
if manager.IsEnabledIn(gid) {
msg += "●" + key
} else {
msg += "○" + key
}
return true
})
ctx.SendChain(message.Text(msg))
})
zero.OnCommandGroup([]string{"服务详情", "service_detail"}, userOrGrpAdmin).SetBlock(true).FirstPriority().
Handle(func(ctx *zero.Ctx) {
text := "---服务详情---\n"
i := 0
ForEach(func(key string, manager *Control) bool {
service, _ := Lookup(key)
help := service.options.Help
i++
msg := strconv.Itoa(i) + `: `
if manager.IsEnabledIn(ctx.Event.GroupID) {
msg += "●" + key
} else {
msg += "○" + key
}
msg += "\n" + help
text += msg + "\n\n"
return true
})
data, err := txt2img.RenderToBase64(text, 40, 20)
if err != nil {
log.Errorf("[control] %v", err)
}
if id := ctx.SendChain(message.Image("base64://" + helper.BytesToString(data))); id == 0 {
ctx.SendChain(message.Text("ERROR: 可能被风控了"))
}
})
}
}
mu.Unlock()
}
}