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cqcode.go
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cqcode.go
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package coolq
import (
"bytes"
"crypto/md5"
"encoding/hex"
"errors"
"fmt"
"io"
"math/rand"
"net/url"
"os"
"path"
"runtime"
"strconv"
"strings"
"time"
"github.com/Mrs4s/MiraiGo/binary"
"github.com/Mrs4s/MiraiGo/message"
"github.com/Mrs4s/MiraiGo/utils"
b14 "github.com/fumiama/go-base16384"
"github.com/segmentio/asm/base64"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
"github.com/Mrs4s/go-cqhttp/db"
"github.com/Mrs4s/go-cqhttp/global"
"github.com/Mrs4s/go-cqhttp/internal/base"
"github.com/Mrs4s/go-cqhttp/internal/cache"
"github.com/Mrs4s/go-cqhttp/internal/download"
"github.com/Mrs4s/go-cqhttp/internal/mime"
"github.com/Mrs4s/go-cqhttp/internal/msg"
"github.com/Mrs4s/go-cqhttp/internal/param"
"github.com/Mrs4s/go-cqhttp/pkg/onebot"
)
// TODO: move this file to internal/msg, internal/onebot
// TODO: support OneBot V12
const (
maxImageSize = 1024 * 1024 * 30 // 30MB
maxVideoSize = 1024 * 1024 * 100 // 100MB
)
func replyID(r *message.ReplyElement, source message.Source) int32 {
id := source.PrimaryID
seq := r.ReplySeq
if r.GroupID != 0 {
id = r.GroupID
}
// 私聊时，部分（不确定）的账号会在 ReplyElement 中带有 GroupID 字段。
// 这里需要判断是由于 “直接回复” 功能，GroupID 为触发直接回复的来源那个群。
if source.SourceType == message.SourcePrivate && (r.Sender == source.PrimaryID || r.GroupID == source.PrimaryID || r.GroupID == 0) {
// 私聊似乎腾讯服务器有bug?
seq = int32(uint16(seq))
id = r.Sender
}
return db.ToGlobalID(id, seq)
}
// toElements 将消息元素数组转为MSG数组以用于消息上报
//
// nolint:govet
func toElements(e []message.IMessageElement, source message.Source) (r []msg.Element) {
// TODO: support OneBot V12
type pair = msg.Pair // simplify code
type pairs = []pair
r = make([]msg.Element, 0, len(e))
m := &message.SendingMessage{Elements: e}
reply := m.FirstOrNil(func(e message.IMessageElement) bool {
_, ok := e.(*message.ReplyElement)
return ok
})
if reply != nil && source.SourceType&(message.SourceGroup|message.SourcePrivate) != 0 {
replyElem := reply.(*message.ReplyElement)
id := replyID(replyElem, source)
elem := msg.Element{
Type: "reply",
Data: pairs{
{K: "id", V: strconv.FormatInt(int64(id), 10)},
},
}
if base.ExtraReplyData {
elem.Data = append(elem.Data,
pair{K: "seq", V: strconv.FormatInt(int64(replyElem.ReplySeq), 10)},
pair{K: "qq", V: strconv.FormatInt(replyElem.Sender, 10)},
pair{K: "time", V: strconv.FormatInt(int64(replyElem.Time), 10)},
pair{K: "text", V: toStringMessage(replyElem.Elements, source)},
)
}
r = append(r, elem)
}
for i, elem := range e {
var m msg.Element
switch o := elem.(type) {
case *message.ReplyElement:
if base.RemoveReplyAt && i+1 < len(e) {
elem, ok := e[i+1].(*message.AtElement)
if ok && elem.Target == o.Sender {
e[i+1] = nil
}
}
continue
case *message.TextElement:
m = msg.Element{
Type: "text",
Data: pairs{
{K: "text", V: o.Content},
},
}
case *message.LightAppElement:
m = msg.Element{
Type: "json",
Data: pairs{
{K: "data", V: o.Content},
},
}
case *message.AtElement:
target := "all"
if o.Target != 0 {
target = strconv.FormatUint(uint64(o.Target), 10)
}
m = msg.Element{
Type: "at",
Data: pairs{
{K: "qq", V: target},
},
}
case *message.RedBagElement:
m = msg.Element{
Type: "redbag",
Data: pairs{
{K: "title", V: o.Title},
},
}
case *message.ForwardElement:
m = msg.Element{
Type: "forward",
Data: pairs{
{K: "id", V: o.ResId},
},
}
case *message.FaceElement:
m = msg.Element{
Type: "face",
Data: pairs{
{K: "id", V: strconv.FormatInt(int64(o.Index), 10)},
},
}
case *message.VoiceElement:
m = msg.Element{
Type: "record",
Data: pairs{
{K: "file", V: o.Name},
{K: "url", V: o.Url},
},
}
case *message.ShortVideoElement:
m = msg.Element{
Type: "video",
Data: pairs{
{K: "file", V: o.Name},
{K: "url", V: o.Url},
},
}
case *message.GroupImageElement:
data := pairs{
{K: "file", V: hex.EncodeToString(o.Md5) + ".image"},
{K: "subType", V: strconv.FormatInt(int64(o.ImageBizType), 10)},
{K: "url", V: o.Url},
}
switch {
case o.Flash:
data = append(data, pair{K: "type", V: "flash"})
case o.EffectID != 0:
data = append(data, pair{K: "type", V: "show"})
data = append(data, pair{K: "id", V: strconv.FormatInt(int64(o.EffectID), 10)})
}
m = msg.Element{
Type: "image",
Data: data,
}
case *message.GuildImageElement:
data := pairs{
{K: "file", V: hex.EncodeToString(o.Md5) + ".image"},
{K: "url", V: o.Url},
}
m = msg.Element{
Type: "image",
Data: data,
}
case *message.FriendImageElement:
data := pairs{
{K: "file", V: hex.EncodeToString(o.Md5) + ".image"},
{K: "url", V: o.Url},
}
if o.Flash {
data = append(data, pair{K: "type", V: "flash"})
}
m = msg.Element{
Type: "image",
Data: data,
}
case *message.DiceElement:
m = msg.Element{
Type: "dice",
Data: pairs{
{K: "value", V: strconv.FormatInt(int64(o.Value), 10)},
},
}
case *message.FingerGuessingElement:
m = msg.Element{
Type: "rps",
Data: pairs{
{K: "value", V: strconv.FormatInt(int64(o.Value), 10)},
},
}
case *message.MarketFaceElement:
m = msg.Element{
Type: "text",
Data: pairs{
{K: "text", V: o.Name},
},
}
case *message.ServiceElement:
m = msg.Element{
Type: "xml",
Data: pairs{
{K: "data", V: o.Content},
{K: "resid", V: o.ResId},
},
}
if !strings.Contains(o.Content, "<?xml") {
m.Type = "json"
}
case *message.AnimatedSticker:
m = msg.Element{
Type: "face",
Data: pairs{
{K: "id", V: strconv.FormatInt(int64(o.ID), 10)},
{K: "type", V: "sticker"},
},
}
case *message.GroupFileElement:
m = msg.Element{
Type: "file",
Data: pairs{
{K: "path", V: o.Path},
{K: "name", V: o.Name},
{K: "size", V: strconv.FormatInt(o.Size, 10)},
{K: "busid", V: strconv.FormatInt(int64(o.Busid), 10)},
},
}
case *msg.LocalImage:
data := pairs{
{K: "file", V: o.File},
{K: "url", V: o.URL},
}
if o.Flash {
data = append(data, pair{K: "type", V: "flash"})
}
m = msg.Element{
Type: "image",
Data: data,
}
default:
continue
}
r = append(r, m)
}
return
}
// ToMessageContent 将消息转换成 Content. 忽略 Reply
// 不同于 onebot 的 Array Message, 此函数转换出来的 Content 的 data 段为实际类型
// 方便数据库查询
func ToMessageContent(e []message.IMessageElement, source message.Source) (r []global.MSG) {
for _, elem := range e {
var m global.MSG
switch o := elem.(type) {
case *message.ReplyElement:
m = global.MSG{
"type": "reply",
"data": global.MSG{"id": replyID(o, source)},
}
case *message.TextElement:
m = global.MSG{
"type": "text",
"data": global.MSG{"text": o.Content},
}
case *message.LightAppElement:
m = global.MSG{
"type": "json",
"data": global.MSG{"data": o.Content},
}
case *message.AtElement:
if o.Target == 0 {
m = global.MSG{
"type": "at",
"data": global.MSG{
"subType": "all",
},
}
} else {
m = global.MSG{
"type": "at",
"data": global.MSG{
"subType": "user",
"target": o.Target,
"display": o.Display,
},
}
}
case *message.RedBagElement:
m = global.MSG{
"type": "redbag",
"data": global.MSG{"title": o.Title, "type": int(o.MsgType)},
}
case *message.ForwardElement:
m = global.MSG{
"type": "forward",
"data": global.MSG{"id": o.ResId},
}
case *message.FaceElement:
m = global.MSG{
"type": "face",
"data": global.MSG{"id": o.Index},
}
case *message.VoiceElement:
m = global.MSG{
"type": "record",
"data": global.MSG{"file": o.Name, "url": o.Url},
}
case *message.ShortVideoElement:
m = global.MSG{
"type": "video",
"data": global.MSG{"file": o.Name, "url": o.Url},
}
case *message.GroupImageElement:
data := global.MSG{"file": hex.EncodeToString(o.Md5) + ".image", "url": o.Url, "subType": uint32(o.ImageBizType)}
switch {
case o.Flash:
data["type"] = "flash"
case o.EffectID != 0:
data["type"] = "show"
data["id"] = o.EffectID
}
m = global.MSG{
"type": "image",
"data": data,
}
case *message.GuildImageElement:
m = global.MSG{
"type": "image",
"data": global.MSG{"file": hex.EncodeToString(o.Md5) + ".image", "url": o.Url},
}
case *message.FriendImageElement:
data := global.MSG{"file": hex.EncodeToString(o.Md5) + ".image", "url": o.Url}
if o.Flash {
data["type"] = "flash"
}
m = global.MSG{
"type": "image",
"data": data,
}
case *message.DiceElement:
m = global.MSG{"type": "dice", "data": global.MSG{"value": o.Value}}
case *message.FingerGuessingElement:
m = global.MSG{"type": "rps", "data": global.MSG{"value": o.Value}}
case *message.MarketFaceElement:
m = global.MSG{"type": "text", "data": global.MSG{"text": o.Name}}
case *message.ServiceElement:
if isOk := strings.Contains(o.Content, "<?xml"); isOk {
m = global.MSG{
"type": "xml",
"data": global.MSG{"data": o.Content, "resid": o.Id},
}
} else {
m = global.MSG{
"type": "json",
"data": global.MSG{"data": o.Content, "resid": o.Id},
}
}
case *message.AnimatedSticker:
m = global.MSG{
"type": "face",
"data": global.MSG{"id": o.ID, "type": "sticker"},
}
case *message.GroupFileElement:
m = global.MSG{
"type": "file",
"data": global.MSG{"path": o.Path, "name": o.Name, "size": strconv.FormatInt(o.Size, 10), "busid": strconv.FormatInt(int64(o.Busid), 10)},
}
default:
continue
}
r = append(r, m)
}
return
}
// ConvertStringMessage 将消息字符串转为消息元素数组
func (bot *CQBot) ConvertStringMessage(spec *onebot.Spec, raw string, sourceType message.SourceType) (r []message.IMessageElement) {
elems := msg.ParseString(raw)
return bot.ConvertElements(spec, elems, sourceType, true)
}
// ConvertObjectMessage 将消息JSON对象转为消息元素数组
func (bot *CQBot) ConvertObjectMessage(spec *onebot.Spec, m gjson.Result, sourceType message.SourceType) (r []message.IMessageElement) {
if spec.Version == 11 && m.Type == gjson.String {
return bot.ConvertStringMessage(spec, m.Str, sourceType)
}
elems := msg.ParseObject(m)
return bot.ConvertElements(spec, elems, sourceType, false)
}
// ConvertContentMessage 将数据库用的 content 转换为消息元素数组
func (bot *CQBot) ConvertContentMessage(content []global.MSG, sourceType message.SourceType, noReply bool) (r []message.IMessageElement) {
elems := make([]msg.Element, len(content))
for i, v := range content {
elem := msg.Element{Type: v["type"].(string)}
for k, v := range v["data"].(global.MSG) {
pair := msg.Pair{K: k, V: fmt.Sprint(v)}
elem.Data = append(elem.Data, pair)
}
elems[i] = elem
}
return bot.ConvertElements(onebot.V11, elems, sourceType, noReply)
}
// ConvertElements 将解码后的消息数组转换为MiraiGo表示
func (bot *CQBot) ConvertElements(spec *onebot.Spec, elems []msg.Element, sourceType message.SourceType, noReply bool) (r []message.IMessageElement) {
var replyCount int
for _, elem := range elems {
if noReply && elem.Type == "reply" {
continue
}
me, err := bot.ConvertElement(spec, elem, sourceType)
if err != nil {
// TODO: don't use cqcode format
if !base.IgnoreInvalidCQCode {
r = append(r, message.NewText(elem.CQCode()))
}
log.Warnf("转换消息 %v 到MiraiGo Element时出现错误: %v.", elem.CQCode(), err)
continue
}
switch i := me.(type) {
case *message.ReplyElement:
if replyCount > 0 {
log.Warnf("警告: 一条信息只能包含一个 Reply 元素.")
break
}
replyCount++
// 将回复消息放置于第一个
r = append([]message.IMessageElement{i}, r...)
case message.IMessageElement:
r = append(r, i)
case []message.IMessageElement:
r = append(r, i...)
}
}
return
}
func (bot *CQBot) reply(spec *onebot.Spec, elem msg.Element, sourceType message.SourceType) (any, error) {
mid, err := strconv.Atoi(elem.Get("id"))
customText := elem.Get("text")
var re *message.ReplyElement
switch {
case customText != "":
var org db.StoredMessage
sender, senderErr := strconv.ParseInt(elem.Get("user_id"), 10, 64)
if senderErr != nil {
sender, senderErr = strconv.ParseInt(elem.Get("qq"), 10, 64)
}
if senderErr != nil && err != nil {
return nil, errors.New("警告: 自定义 reply 元素中必须包含 user_id 或 id")
}
msgTime, timeErr := strconv.ParseInt(elem.Get("time"), 10, 64)
if timeErr != nil {
msgTime = time.Now().Unix()
}
messageSeq, seqErr := strconv.ParseInt(elem.Get("seq"), 10, 64)
if err == nil {
org, _ = db.GetMessageByGlobalID(int32(mid))
}
if org != nil {
re = &message.ReplyElement{
ReplySeq: org.GetAttribute().MessageSeq,
Sender: org.GetAttribute().SenderUin,
Time: int32(org.GetAttribute().Timestamp),
Elements: bot.ConvertStringMessage(spec, customText, sourceType),
}
if senderErr != nil {
re.Sender = sender
}
if timeErr != nil {
re.Time = int32(msgTime)
}
if seqErr != nil {
re.ReplySeq = int32(messageSeq)
}
break
}
re = &message.ReplyElement{
ReplySeq: int32(messageSeq),
Sender: sender,
Time: int32(msgTime),
Elements: bot.ConvertStringMessage(spec, customText, sourceType),
}
case err == nil:
org, err := db.GetMessageByGlobalID(int32(mid))
if err != nil {
return nil, err
}
re = &message.ReplyElement{
ReplySeq: org.GetAttribute().MessageSeq,
Sender: org.GetAttribute().SenderUin,
Time: int32(org.GetAttribute().Timestamp),
Elements: bot.ConvertContentMessage(org.GetContent(), sourceType, true),
}
default:
return nil, errors.New("reply消息中必须包含 text 或 id")
}
return re, nil
}
func (bot *CQBot) voice(elem msg.Element) (m any, err error) {
f := elem.Get("file")
data, err := global.FindFile(f, elem.Get("cache"), global.VoicePath)
if err != nil {
return nil, err
}
if !global.IsAMRorSILK(data) {
mt, ok := mime.CheckAudio(bytes.NewReader(data))
if !ok {
return nil, errors.New("voice type error: " + mt)
}
data, err = global.EncoderSilk(data)
if err != nil {
return nil, err
}
}
return &message.VoiceElement{Data: data}, nil
}
func (bot *CQBot) at(id, name string) (m any, err error) {
t, err := strconv.ParseInt(id, 10, 64)
if err != nil {
return nil, err
}
name = strings.TrimSpace(name)
if len(name) > 0 {
name = "@" + name
}
return message.NewAt(t, name), nil
}
// convertV11 ConvertElement11
func (bot *CQBot) convertV11(elem msg.Element) (m any, ok bool, err error) {
switch elem.Type {
default:
// not ok
return
case "at":
qq := elem.Get("qq")
if qq == "" {
qq = elem.Get("target")
}
if qq == "all" {
m = message.AtAll()
break
}
m, err = bot.at(qq, elem.Get("name"))
case "record":
m, err = bot.voice(elem)
}
ok = true
return
}
// convertV12 ConvertElement12
func (bot *CQBot) convertV12(elem msg.Element) (m any, ok bool, err error) {
switch elem.Type {
default:
// not ok
return
case "mention":
m, err = bot.at(elem.Get("user_id"), elem.Get("name"))
case "mention_all":
m = message.AtAll()
case "voice":
m, err = bot.voice(elem)
}
ok = true
return
}
// ConvertElement 将解码后的消息转换为MiraiGoElement.
//
// 返回 interface{} 存在三种类型
//
// message.IMessageElement []message.IMessageElement nil
func (bot *CQBot) ConvertElement(spec *onebot.Spec, elem msg.Element, sourceType message.SourceType) (m any, err error) {
var ok bool
switch spec.Version {
case 11:
m, ok, err = bot.convertV11(elem)
case 12:
m, ok, err = bot.convertV12(elem)
default:
panic("invalid onebot version:" + strconv.Itoa(spec.Version))
}
if ok {
return m, err
}
switch elem.Type {
case "text":
text := elem.Get("text")
if base.SplitURL {
var ret []message.IMessageElement
for _, text := range param.SplitURL(text) {
ret = append(ret, message.NewText(text))
}
return ret, nil
}
return message.NewText(text), nil
case "image":
img, err := bot.makeImageOrVideoElem(elem, false, sourceType)
if err != nil {
return nil, err
}
tp := elem.Get("type")
flash, id := false, int64(0)
switch tp {
case "flash":
flash = true
case "show":
id, _ = strconv.ParseInt(elem.Get("id"), 10, 64)
if id < 40000 || id >= 40006 {
id = 40000
}
default:
return img, nil
}
switch img := img.(type) {
case *msg.LocalImage:
img.Flash = flash
img.EffectID = int32(id)
case *message.GroupImageElement:
img.Flash = flash
img.EffectID = int32(id)
i, _ := strconv.ParseInt(elem.Get("subType"), 10, 64)
img.ImageBizType = message.ImageBizType(i)
case *message.FriendImageElement:
img.Flash = flash
}
return img, nil
case "reply":
return bot.reply(spec, elem, sourceType)
case "forward":
id := elem.Get("id")
if id == "" {
return nil, errors.New("forward 消息中必须包含 id")
}
fwdMsg := bot.Client.DownloadForwardMessage(id)
if fwdMsg == nil {
return nil, errors.New("forward 消息不存在或已过期")
}
return fwdMsg, nil
case "poke":
t, _ := strconv.ParseInt(elem.Get("qq"), 10, 64)
return &msg.Poke{Target: t}, nil
case "tts":
data, err := bot.Client.GetTts(elem.Get("text"))
if err != nil {
return nil, err
}
return &message.VoiceElement{Data: base.ResampleSilk(data)}, nil
case "face":
id, err := strconv.Atoi(elem.Get("id"))
if err != nil {
return nil, err
}
if elem.Get("type") == "sticker" {
return &message.AnimatedSticker{ID: int32(id)}, nil
}
return message.NewFace(int32(id)), nil
case "share":
return message.NewUrlShare(elem.Get("url"), elem.Get("title"), elem.Get("content"), elem.Get("image")), nil
case "music":
id := elem.Get("id")
switch elem.Get("type") {
case "qq":
info, err := global.QQMusicSongInfo(id)
if err != nil {
return nil, err
}
if !info.Get("track_info").Exists() {
return nil, errors.New("song not found")
}
albumMid := info.Get("track_info.album.mid").String()
pinfo, _ := download.Request{URL: "https://u.y.qq.com/cgi-bin/musicu.fcg?g_tk=2034008533&uin=0&format=json&data={\"comm\":{\"ct\":23,\"cv\":0},\"url_mid\":{\"module\":\"vkey.GetVkeyServer\",\"method\":\"CgiGetVkey\",\"param\":{\"guid\":\"4311206557\",\"songmid\":[\"" + info.Get("track_info.mid").Str + "\"],\"songtype\":[0],\"uin\":\"0\",\"loginflag\":1,\"platform\":\"23\"}}}&_=1599039471576"}.JSON()
jumpURL := "https://i.y.qq.com/v8/playsong.html?platform=11&appshare=android_qq&appversion=10030010&hosteuin=oKnlNenz7i-s7c**&songmid=" + info.Get("track_info.mid").Str + "&type=0&appsongtype=1&_wv=1&source=qq&ADTAG=qfshare"
content := info.Get("track_info.singer.0.name").String()
if elem.Get("content") != "" {
content = elem.Get("content")
}
return &message.MusicShareElement{
MusicType: message.QQMusic,
Title: info.Get("track_info.name").Str,
Summary: content,
Url: jumpURL,
PictureUrl: "https://y.gtimg.cn/music/photo_new/T002R180x180M000" + albumMid + ".jpg",
MusicUrl: pinfo.Get("url_mid.data.midurlinfo.0.purl").String(),
}, nil
case "163":
info, err := global.NeteaseMusicSongInfo(id)
if err != nil {
return nil, err
}
if !info.Exists() {
return nil, errors.New("song not found")
}
artistName := ""
if info.Get("artists.0").Exists() {
artistName = info.Get("artists.0.name").String()
}
return &message.MusicShareElement{
MusicType: message.CloudMusic,
Title: info.Get("name").String(),
Summary: artistName,
Url: "https://music.163.com/song/?id=" + id,
PictureUrl: info.Get("album.picUrl").String(),
MusicUrl: "https://music.163.com/song/media/outer/url?id=" + id,
}, nil
case "custom":
if elem.Get("subtype") != "" {
var subType int
switch elem.Get("subtype") {
default:
subType = message.QQMusic
case "163":
subType = message.CloudMusic
case "migu":
subType = message.MiguMusic
case "kugou":
subType = message.KugouMusic
case "kuwo":
subType = message.KuwoMusic
}
return &message.MusicShareElement{
MusicType: subType,
Title: elem.Get("title"),
Summary: elem.Get("content"),
Url: elem.Get("url"),
PictureUrl: elem.Get("image"),
MusicUrl: elem.Get("voice"),
}, nil
}
xml := fmt.Sprintf(`<?xml version='1.0' encoding='UTF-8' standalone='yes' ?><msg serviceID="2" templateID="1" action="web" brief="[分享] %s" sourceMsgId="0" url="%s" flag="0" adverSign="0" multiMsgFlag="0"><item layout="2"><voice cover="%s" src="%s"/><title>%s</title><summary>%s</summary></item><source name="音乐" icon="https://i.gtimg.cn/open/app_icon/01/07/98/56/1101079856_100_m.png" url="https://web.p.qq.com/qqmpmobile/aio/app.html?id=1101079856" action="app" a_actionData="com.tencent.qqmusic" i_actionData="tencent1101079856:https://" appid="1101079856" /></msg>`,
utils.XmlEscape(elem.Get("title")), elem.Get("url"), elem.Get("image"), elem.Get("voice"), utils.XmlEscape(elem.Get("title")), utils.XmlEscape(elem.Get("content")))
return &message.ServiceElement{
Id: 60,
Content: xml,
SubType: "music",
}, nil
}
return nil, errors.New("unsupported music type: " + elem.Get("type"))
case "dice":
value := elem.Get("value")
i, _ := strconv.ParseInt(value, 10, 64)
if i < 0 || i > 6 {
return nil, errors.New("invalid dice value " + value)
}
return message.NewDice(int32(i)), nil
case "rps":
value := elem.Get("value")
i, _ := strconv.ParseInt(value, 10, 64)
if i < 0 || i > 2 {
return nil, errors.New("invalid finger-guessing value " + value)
}
return message.NewFingerGuessing(int32(i)), nil
case "xml":
resID := elem.Get("resid")
template := elem.Get("data")
i, _ := strconv.ParseInt(resID, 10, 64)
m := message.NewRichXml(template, i)
return m, nil
case "json":
resID := elem.Get("resid")
data := elem.Get("data")
i, _ := strconv.ParseInt(resID, 10, 64)
if i == 0 {
// 默认情况下走小程序通道
return message.NewLightApp(data), nil
}
// resid不为0的情况下走富文本通道，后续补全透传service Id，此处暂时不处理 TODO
return message.NewRichJson(data), nil
case "cardimage":
source := elem.Get("source")
icon := elem.Get("icon")
brief := elem.Get("brief")
parseIntWithDefault := func(name string, origin int64) int64 {
v, _ := strconv.ParseInt(elem.Get(name), 10, 64)
if v <= 0 {
return origin
}
return v
}
minWidth := parseIntWithDefault("minwidth", 200)
maxWidth := parseIntWithDefault("maxwidth", 500)
minHeight := parseIntWithDefault("minheight", 200)
maxHeight := parseIntWithDefault("maxheight", 1000)
img, err := bot.makeImageOrVideoElem(elem, false, sourceType)
if err != nil {
return nil, errors.New("send cardimage faild")
}
return bot.makeShowPic(img, source, brief, icon, minWidth, minHeight, maxWidth, maxHeight, sourceType == message.SourceGroup)
case "video":
file, err := bot.makeImageOrVideoElem(elem, true, sourceType)
if err != nil {
return nil, err
}
v, ok := file.(*msg.LocalVideo)
if !ok {
return file, nil
}
if v.File == "" {
return v, nil
}
var data []byte
if cover := elem.Get("cover"); cover != "" {
data, _ = global.FindFile(cover, elem.Get("cache"), global.ImagePath)
} else {
err = global.ExtractCover(v.File, v.File+".jpg")
if err != nil {
return nil, err
}
data, _ = os.ReadFile(v.File + ".jpg")
}
v.Thumb = bytes.NewReader(data)
video, _ := os.Open(v.File)
defer video.Close()
_, _ = video.Seek(4, io.SeekStart)
header := make([]byte, 4)
_, _ = video.Read(header)
if !bytes.Equal(header, []byte{0x66, 0x74, 0x79, 0x70}) { // check file header ftyp
_, _ = video.Seek(0, io.SeekStart)
hash, _ := utils.ComputeMd5AndLength(video)
cacheFile := path.Join(global.CachePath, hex.EncodeToString(hash)+".mp4")
if !(elem.Get("cache") == "" || elem.Get("cache") == "1") || !global.PathExists(cacheFile) {
err = global.EncodeMP4(v.File, cacheFile)
if err != nil {
return nil, err
}
}
v.File = cacheFile
}
return v, nil
case "file":
path := elem.Get("path")
name := elem.Get("name")
size, _ := strconv.ParseInt(elem.Get("size"), 10, 64)
busid, _ := strconv.ParseInt(elem.Get("busid"), 10, 64)
return &message.GroupFileElement{
Name: name,
Size: size,
Path: path,
Busid: int32(busid),
}, nil
default:
return nil, errors.New("unsupported message type: " + elem.Type)
}
}
// makeImageOrVideoElem 图片 elem 生成器，单独拎出来，用于公用
func (bot *CQBot) makeImageOrVideoElem(elem msg.Element, video bool, sourceType message.SourceType) (message.IMessageElement, error) {
f := elem.Get("file")
u := elem.Get("url")
if strings.HasPrefix(f, "http") {
hash := md5.Sum([]byte(f))
cacheFile := path.Join(global.CachePath, hex.EncodeToString(hash[:])+".cache")
maxSize := int64(maxImageSize)
if video {
maxSize = maxVideoSize
}
thread, _ := strconv.Atoi(elem.Get("c"))
exist := global.PathExists(cacheFile)
if exist && (elem.Get("cache") == "" || elem.Get("cache") == "1") {
goto useCacheFile
}
if exist {
_ = os.Remove(cacheFile)
}
{
r := download.Request{URL: f, Limit: maxSize}
if err := r.WriteToFileMultiThreading(cacheFile, thread); err != nil {
return nil, err
}
}
useCacheFile:
if video {
return &msg.LocalVideo{File: cacheFile}, nil
}
return &msg.LocalImage{File: cacheFile, URL: f}, nil
}
if strings.HasPrefix(f, "file") {
fu, err := url.Parse(f)
if err != nil {
return nil, err
}
if runtime.GOOS == `windows` && strings.HasPrefix(fu.Path, "/") {
fu.Path = fu.Path[1:]
}
info, err := os.Stat(fu.Path)
if err != nil {
if !os.IsExist(err) {
return nil, errors.New("file not found")
}
return nil, err
}
if video {
if info.Size() == 0 || info.Size() >= maxVideoSize {
return nil, errors.New("invalid video size")
}
return &msg.LocalVideo{File: fu.Path}, nil
}
if info.Size() == 0 || info.Size() >= maxImageSize {
return nil, errors.New("invalid image size")
}
return &msg.LocalImage{File: fu.Path, URL: f}, nil
}
if !video && strings.HasPrefix(f, "base64") {
b, err := base64.StdEncoding.DecodeString(strings.TrimPrefix(f, "base64:https://"))
if err != nil {
return nil, err
}
return &msg.LocalImage{Stream: bytes.NewReader(b), URL: f}, nil
}
if !video && strings.HasPrefix(f, "base16384") {
b, err := b14.UTF82UTF16BE(utils.S2B(strings.TrimPrefix(f, "base16384:https://")))
if err != nil {
return nil, err
}
return &msg.LocalImage{Stream: bytes.NewReader(b14.Decode(b)), URL: f}, nil
}
rawPath := path.Join(global.ImagePath, f)
if video {
if strings.HasSuffix(f, ".video") {
hash, err := hex.DecodeString(strings.TrimSuffix(f, ".video"))
if err == nil {
if b := cache.Video.Get(hash); b != nil {
return bot.readVideoCache(b), nil
}
}
}
rawPath = path.Join(global.VideoPath, f)
if !global.PathExists(rawPath) {
return nil, errors.New("invalid video")
}
if path.Ext(rawPath) != ".video" {
return &msg.LocalVideo{File: rawPath}, nil
}
b, _ := os.ReadFile(rawPath)
return bot.readVideoCache(b), nil
}
// 目前频道内上传的图片均无法被查询到, 需要单独处理
if sourceType == message.SourceGuildChannel {
cacheFile := path.Join(global.ImagePath, "guild-images", f)
if global.PathExists(cacheFile) {
return &msg.LocalImage{File: cacheFile}, nil
}
}
if strings.HasSuffix(f, ".image") {
hash, err := hex.DecodeString(strings.TrimSuffix(f, ".image"))
if err == nil {
if b := cache.Image.Get(hash); b != nil {
return bot.readImageCache(b, sourceType)
}
}
}
exist := global.PathExists(rawPath)
if !exist {
if elem.Get("url") != "" {
elem.Data = []msg.Pair{{K: "file", V: elem.Get("url")}}
return bot.makeImageOrVideoElem(elem, false, sourceType)
}
return nil, errors.New("invalid image")
}
if path.Ext(rawPath) != ".image" {
return &msg.LocalImage{File: rawPath, URL: u}, nil
}
b, err := os.ReadFile(rawPath)