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bilibili.go
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bilibili.go
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package main
import (
"NothinBot/Bilibili/Wbi"
"NothinBot/EasyBot"
"NothinBot/TimeLayout"
"encoding/json"
"fmt"
"math"
"os"
"path/filepath"
"reflect"
"regexp"
"strconv"
"strings"
"sync"
"time"
"github.com/PuerkitoBio/goquery"
"github.com/moxcomic/bcutasr"
"github.com/moxcomic/ihttp"
log "github.com/sirupsen/logrus"
"github.com/ysmood/gson"
)
type BiliApiResp struct {
Code int `json:"code"`
Message string `json:"message"`
Ttl int `json:"ttl"`
Data map[string]any `json:"data"`
}
type liveInfo struct {
live *danmaku
uid int
roomid int
state int
time int64
}
type push struct {
userID []int
groupID []int
}
type parseHistory struct {
parse string
time int64
}
var (
biliLinkRegexp = struct {
SHORT string
DYNAMIC string
ARCHIVEav string
ARCHIVEbv string
ARTICLE string
MUSIC string
SPACE string
LIVE string
}{
SHORT: `((让岁己)?(总结一下\s?)|我要看\s?)?.*(b23|acg)\.tv\\?/(BV[1-9A-HJ-NP-Za-km-z]{10}|av[0-9]{1,10}|[0-9A-Za-z]{7})`, //暂时应该只有7位 也有可能是av/bv号
DYNAMIC: `(让岁己)?(总结一下\s?)?.*(t.bilibili.com|dynamic|opus)\\?/([0-9]{18,19})`, //应该不会有17位的，可能要有19位
ARCHIVEav: `((让岁己)?(总结一下\s?)|我要看\s?)?.*video\\?/av([0-9]{1,10})`, //9位 预留10
ARCHIVEbv: `((让岁己)?(总结一下\s?)|我要看\s?)?.*video\\?/(BV[1-9A-HJ-NP-Za-km-z]{10})`, //恒定BV + 10位base58
ARTICLE: `(让岁己)?(总结一下\s?)?.*(read\\?/cv|read\\?/mobile\\?/)([0-9]{1,9})`, //8位 预留9
MUSIC: `(让岁己)?(总结一下\s?)?.*audio\\?/au([0-9]{1,10})`, //
SPACE: `(让岁己)?(总结一下\s?)?.*space\.bilibili\.com\\?/([0-9]{1,16})`, //新uid 16位
LIVE: `(让岁己)?(总结一下\s?)?.*live\.bilibili\.com\\?/([0-9]{1,9})`, //8位 预留9
}
liveState = struct {
UNKNOWN int
OFFLINE int
ONLINE int
ROTATE int
}{
UNKNOWN: -1,
OFFLINE: 0,
ONLINE: 1,
ROTATE: 2,
}
rmTitle = strings.NewReplacer(
"概述", "", "要点", "", "由", "", "总结：", "", "总结（原文长度超过1500字符，输入经过去尾）：", "",
"ChatGLM2-6B", "", "ERNIE_Bot", "", "ERNIE_Bot_turbo", "", "BLOOMZ_7B", "", "Llama_2_7b", "", "Llama_2_13b", "",
"Llama_2_70b", "",
)
// cookie = ""
cookieUid = 0
cookieBuvid = "91F87C44-8B65-64C4-296C-B102F459941CF05635infoc" //扫码拿不到 先写着
cookieValidity = false
tempDir = "./bilibili_temp/"
summaryBackend = ""
dynamicCheckDuration time.Duration
dynamicHistrory = make(map[string]string)
pushWait sync.WaitGroup
liveList = make(map[int]liveInfo) // roomid : liveInfo
archiveVideoTable = make(map[int]*archiveVideo) //av:
archiveAudioTable = make(map[int]*archiveAudio) //av:
archiveSubtitleTable = make(map[int]*archiveSubtitle) //av:
articleTextTable = make(map[int]*articleText) //cv:
groupParseHistory = make(map[int]parseHistory) //group:
)
var everyBiliLinkRegexp = func() (everyBiliLinkRegexp string) {
structValue := reflect.ValueOf(biliLinkRegexp)
for i := 0; i < structValue.NumField(); i++ {
field := structValue.Field(i)
if everyBiliLinkRegexp != "" {
everyBiliLinkRegexp += "|"
}
everyBiliLinkRegexp += field.Interface().(string)
}
return
}()
const standardLength = len("BV1vh4y1U71j")
// bv转av
func bv2av(bv string) (av int) {
if length := len(bv); length != standardLength {
log.Warn("[bv2av] 输入了错误的bv号: ", bv, " (len: ", length, ")")
return 0
}
table := "fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF"
tr := make(map[byte]int)
for i := 0; i < 58; i++ {
tr[table[i]] = i
}
s := []int{11, 10, 3, 8, 4, 6}
xor := 177451812
add := 8728348608
r := 0
for i := 0; i < 6; i++ {
r += tr[bv[s[i]]] * int(math.Pow(58, float64(i)))
}
av = (r - add) ^ xor
log.Debug("[Bilibili] ", bv, " 转换到 av", av)
return
}
func CallBiliApi(url string, querys map[string]any) (resp *BiliApiResp, headers map[string]string, err error) {
resp = &BiliApiResp{}
i := ihttp.New().WithUrl(url).
WithHeaders(iheaders).WithAddQuerys(querys).Get()
body, err := i.ToBytes()
if err != nil {
log.Error("[Bilibili] CallBiliApi() ihttp ToBytes error: ", err)
return
}
header, err := i.ToHeader()
if err != nil {
log.Error("[Bilibili] CallBiliApi() ihttp ToHeader error: ", err)
return
}
err = json.Unmarshal(body, resp)
if err != nil {
log.Error(
"[Bilibili] CallBiliApi() unmarshal error: ", err,
"\n data: ", string(body),
"\n using gson: ", gson.New(body).JSON("", ""),
)
return
}
headers = make(map[string]string)
for k, v := range header {
headers[k] = strings.Join(v, "; ")
}
return
}
// 获取动态数据.Get("data.item")
func getDynamicJson(dynamicID string) gson.JSON {
dynamicJson, err := ihttp.New().WithUrl("https://api.bilibili.com/x/polymer/web-dynamic/v1/detail").
WithAddQuery("id", dynamicID).WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getDynamicJson().ihttp请求错误: ", err)
}
log.Trace("[bilibili] rawDynamicJson: ", dynamicJson.JSON("", ""))
if dynamicJson.Get("code").Int() != 0 {
log.Error("[parse] 动态 ", dynamicID, " 信息获取错误: ", dynamicJson.JSON("", ""))
}
return dynamicJson
}
// 获取投票数据.Get("data.info")
func getVoteJson(voteid int) gson.JSON {
voteJson, err := ihttp.New().WithUrl("https://api.vc.bilibili.com/vote_svr/v1/vote_svr/vote_info").
WithAddQuerys(map[string]any{"vote_id": voteid}).WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getVoteJson().ihttp请求错误: ", err)
}
log.Trace("[bilibili] rawVoteJson: ", voteJson.JSON("", ""))
if voteJson.Get("code").Int() != 0 {
log.Error("[parse] 投票 ", voteid, " 信息获取错误: ", voteJson.JSON("", ""))
}
return voteJson
}
// 格式化动态, 主动态.Get("data.item"), 转发原动态.Get("data.item.orig")
func formatDynamic(g gson.JSON) string {
dynamic := g.Get("modules.module_dynamic") //动态主体
id := g.Get("id_str").Str() //动态id
uid := g.Get("modules.module_author.mid").Int() //发布者uid
name := g.Get("modules.module_author.name").Str() //发布者用户名
action := g.Get("modules.module_author.pub_action").Str() //"投稿了视频"/"发布了动态视频"/"投稿了文章"/"直播了"
topic := func(exist bool) (topic string) { //话题
if exist {
topic = "\n#" + dynamic.Get("topic.name").Str() + "#"
}
return
}(!dynamic.Get("topic.name").Nil())
addition := func(additionalType string) (addtion string) { //子项内容
switch additionalType {
case "ADDITIONAL_TYPE_RESERVE": //预约
reserveJson := dynamic.Get("additional.reserve")
addtion = fmt.Sprintf(
"\n%s\n%s\n%s",
reserveJson.Get("title").Str(),
reserveJson.Get("desc1.text").Str(), //"预计xxx发布"
reserveJson.Get("desc2.text").Str(),
) //"xx人预约"/"xx观看"
case "ADDITIONAL_TYPE_VOTE": //投票
voteJson := getVoteJson(dynamic.Get("additional.vote.vote_id").Int()).Get("data.info")
name := voteJson.Get("name").Str() //发起者
title := voteJson.Get("title").Str() //标题
desc := descTrunc(voteJson.Get("desc").Str()) //简介
startTime, endTime := func(timeS1 int64, timeS2 int64) (string, string) {
time1 := time.Unix(timeS1, 0)
time2 := time.Unix(timeS2, 0)
timeNow := time.Unix(time.Now().Unix(), 0)
if time2.Format("2006") == timeNow.Format("2006") { //结束日期同年 不显示年份
if time2.Format("01") == timeNow.Format("01") { //结束日期同月 不显示月份
return time1.Format(TimeLayout.M24), time2.Format(TimeLayout.S24)
}
return time1.Format(TimeLayout.M24), time2.Format(TimeLayout.M24)
}
return time1.Format(TimeLayout.L24), time2.Format(TimeLayout.L24)
}(int64(voteJson.Get("starttime").Int()), int64(voteJson.Get("endtime").Int()))
c_cnt := voteJson.Get("choice_cnt").Int() //最大选择数
cnt := voteJson.Get("cnt").Int() //参与数
option := func(options []gson.JSON) (option string) { //选项
for _, j := range options {
if !j.Get("cnt").Nil() {
option += fmt.Sprintf(
"\n%d. %s %d人选择",
j.Get("idx").Int(), //序号
j.Get("desc").Str(), //描述
j.Get("cnt").Int(),
) //选择数
} else {
option += fmt.Sprintf(
"\n%d. %s",
j.Get("idx").Int(), //序号
j.Get("desc").Str(),
) //描述
//cookie失效时拿不到选择数
}
}
return
}(voteJson.Get("options").Arr())
addtion = fmt.Sprintf(
`
%s发起的投票：%s%s
%s - %s
最多选%d项 %d人参与%s`,
name, title, desc,
startTime, endTime,
c_cnt, cnt, option,
)
case "ADDITIONAL_TYPE_UGC": //评论同时转发
url := dynamic.Get("additional.ugc.jump_url").Str()
id, kind, _, _, _ := extractBiliLink(url)
addtion = "\n\n转发的视频：\n" + parseAndFormatBiliLink(nil, id, kind, false, false, false)
}
return
}(dynamic.Get("additional.type").Str())
dynamicType := g.Get("type").Str() //动态类型
log.Debug("[bilibili] 动态类型: ", dynamicType)
switch dynamicType {
case "DYNAMIC_TYPE_FORWARD": //转发
text := dynamic.Get("desc.text").Str() //正文
return fmt.Sprintf(
`t.bilibili.com/%s
%s：转发动态%s
%s
%s`,
id,
name, topic,
text,
formatDynamic(g.Get("orig")),
)
case "DYNAMIC_TYPE_NONE": //转发的动态已删除
return dynamic.Get("major.none.tips").Str() //错误提示: "源动态已被作者删除"
case "DYNAMIC_TYPE_WORD": //纯文字
text := dynamic.Get("desc.text").Str() //正文
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s
%s%s`,
id,
name, topic,
text, addition,
)
case "DYNAMIC_TYPE_DRAW": //图文
draw := dynamic.Get("major.draw")
images := func(items []gson.JSON) (images string) { //图片
for _, item := range items {
images += fmt.Sprint("[CQ:image,file=", item.Get("src").Str(), "]")
}
return
}(draw.Get("items").Arr())
text := dynamic.Get("desc.text").Str() //正文
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s
%s
%s%s`,
id,
name, topic,
text,
images, addition,
)
case "DYNAMIC_TYPE_AV": //视频
archive := dynamic.Get("major.archive")
text := func(exist bool, text string) string { //正文
if text == archive.Get("desc").Str() { //如果正文和简介相同, 不显示正文
return ""
}
if exist {
return "\n" + text
}
return ""
}(!dynamic.Get("desc.text").Nil(), dynamic.Get("desc.text").Str())
aid, _ := strconv.Atoi(archive.Get("aid").Str()) //av号数字
content := func() (content string) {
g, h := getArchiveJson(aid)
if g.Get("code").Int() != 0 {
return fmt.Sprintf("[NothingBot] [ERROR] [parse] 视频av%s信息获取错误: code%d", id, g.Get("code").Int())
}
content = formatArchive(g.Get("data"), h.Get("data"))
return
}()
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s%s%s
%s`,
id,
name, action, topic, text,
content,
)
case "DYNAMIC_TYPE_ARTICLE": //文章
article := dynamic.Get("major.article")
cvid := article.Get("id").Int() //cv号数字
content := func() (content string) {
g := getArticleJson(cvid)
if g.Get("code").Int() != 0 {
return fmt.Sprintf("[NothingBot] [ERROR] [parse] 专栏cv%s信息获取错误: code%d", id, g.Get("code").Int())
}
return formatArticle(g.Get("data"), cvid)
}()
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s%s
%s`,
id,
name, action, topic,
content,
)
case "DYNAMIC_TYPE_MUSIC":
music := dynamic.Get("major.music")
sid := music.Get("id").Int()
content := func() (content string) {
g, h, i := getMusicJson(sid)
if g.Get("code").Int() != 0 || h.Get("code").Int() != 0 || i.Get("code").Int() != 0 {
return fmt.Sprintf("[NothingBot] [ERROR] [parse] 专栏cv%s信息获取错误: code%d", id, g.Get("code").Int())
}
return formatMusic(g.Get("data"), h.Get("data"), i.Get("data"))
}()
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s%s
%s`,
id,
name, action, topic,
content,
)
case "DYNAMIC_TYPE_LIVE_RCMD": //直播（动态流拿不到更新）
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s
%s`,
id,
name, action,
formatLive(getRoomJsonUID(uid)),
)
case "DYNAMIC_TYPE_COMMON_SQUARE": //应用装扮同步动态
log.Info("[bilibili] 应用装扮同步动态: ", dynamic.JSON("", ""))
return fmt.Sprintf(
`t.bilibili.com/%s
%s：%s%s%s
这是一条应用装扮同步动态：%s`,
id,
name, action, topic, addition,
dynamicType,
)
default:
log.Error("[bilibili] 未知的动态类型: ", dynamicType, id)
bot.Log2SU.Error(fmt.Sprint("[bilibili] 未知的动态类型：", dynamicType, " (", id, ")"))
return fmt.Sprintf(
`t.bilibili.com/%s
%s：
未知的动态类型：%s`,
id,
name,
dynamicType,
)
}
}
// 获取官方AI总结
func getArchiveSummary(aid int) (summary string, err error) {
cid := getCid(aid)
signedUrl, _ := Wbi.Sign(
fmt.Sprintf(
"https://api.bilibili.com/x/web-interface/view/conclusion/get?aid=%d&cid=%d", aid, cid,
),
)
videoSummary, err := ihttp.New().WithUrl(signedUrl).WithHeaders(iheaders).Get().ToGson()
if err != nil {
return
}
// 大总结
summary = videoSummary.Get("data.model_result.summary").Str()
// 大纲
outlines := videoSummary.Get("data.model_result.outline").Arr()
if summary == "" && len(outlines) == 0 {
return "", nil
}
for _, outline := range outlines {
summary += "\n● " + outline.Get("title").Str()
// 小节
for _, partOutline := range outline.Get("part_outline").Arr() {
timestamp := partOutline.Get("timestamp").Int()
content := partOutline.Get("content").Str()
summary += fmt.Sprintf(
"\n[%s] %s",
formatTimeSimple(int64(timestamp)), content,
)
}
}
return
}
// av号获取视频数据.Get("data"))
func getArchiveJson[T int | string](aid T) (archiveJson gson.JSON, stateJson gson.JSON) {
archiveJson, err := ihttp.New().WithUrl("https://api.bilibili.com/x/web-interface/view").
WithAddQuerys(map[string]any{"aid": aid}).WithHeaders(iheaders).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getArchiveJsonA().ihttp请求错误: ", err)
}
log.Trace("[bilibili] rawArchiveJsonA: ", archiveJson.JSON("", ""))
if archiveJson.Get("code").Int() != 0 {
log.Error("[parse] 视频 ", aid, " 信息获取错误: ", archiveJson.JSON("", ""))
}
cid := archiveJson.Get("data.cid").Int()
stateJson, err = ihttp.New().WithUrl("https://api.bilibili.com/x/player/online/total").
WithAddQuerys(map[string]any{"aid": aid, "cid": cid}).WithHeaders(iheaders).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getArchiveJsonA().statJson.ihttp请求错误: ", err)
}
log.Trace("[bilibili] rawArchiveJsonA.state: ", archiveJson.JSON("", ""))
if stateJson.Get("code").Int() != 0 {
log.Error("[parse] 视频 ", aid, " 在线人数状态获取错误: ", stateJson.JSON("", ""))
}
return
}
// bv号获取视频数据.Get("data"))
func getArchiveJsonB(bvid string) (archiveJson gson.JSON, stateJson gson.JSON) {
archiveJson, err := ihttp.New().WithUrl("https://api.bilibili.com/x/web-interface/view").
WithAddQuery("bvid", bvid).WithHeaders(iheaders).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getArchiveJsonB().ihttp请求错误: ", err)
}
log.Trace("[bilibili] rawVideoJsonB: ", archiveJson.JSON("", ""))
if archiveJson.Get("code").Int() != 0 {
log.Error("[parse] 视频 ", bvid, " 信息获取错误: ", archiveJson.JSON("", ""))
}
cid := archiveJson.Get("data.cid").Int()
stateJson, err = ihttp.New().WithUrl("https://api.bilibili.com/x/player/online/total").
WithAddQuerys(map[string]any{"bvid": bvid, "cid": cid}).WithHeaders(iheaders).
Get().ToGson()
if err != nil {
log.Error("[bilibili] getArchiveJsonB().statJson.ihttp请求错误: ", err)
}
log.Trace("[bilibili] getArchiveJsonB.statJson: ", archiveJson.JSON("", ""))
if stateJson.Get("code").Int() != 0 {
log.Error("[parse] 视频 ", bvid, " 在线人数状态获取错误: ", stateJson.JSON("", ""))
}
return
}
// 读取缓存
func initCache() {
_ = checkDir(tempDir)
err := filepath.Walk(
tempDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
log.Error("访问路径 ", path, " 时发生错误: ", err.Error())
return err
}
if info.IsDir() {
return nil
}
fileDataRaw, err := os.ReadFile(path)
if err != nil {
log.Error("[bilibili] read cache err: ", err.Error())
}
g := gson.New(fileDataRaw)
fileData := []byte(g.JSON("", ""))
switch info.Name()[:2] { //文件名前两个字母
case "av":
as := &archiveSubtitle{}
err = json.Unmarshal(fileData, as)
if err != nil {
log.Error(
"[NothingBot] 反序列化出错(json.Unmarshal(fileData, as)), err: ", err,
"\n respByte: ", string(fileData),
"\n Unmarshal by gson: ", gson.New(fileData).JSON("", ""),
)
break
}
as.marshal()
archiveSubtitleTable[as.Aid] = as
if !as.IsNative {
aacPath := fmt.Sprint("av", as.Aid, "_c", as.Cid, ".aac")
_, err := os.Stat(aacPath)
if err == nil { //存在已下载的音频文件
archiveAudioTable[as.Aid] = &archiveAudio{
aid: as.Aid,
cid: as.Cid,
localPath: aacPath,
}
}
}
case "cv":
at := &articleText{}
err = json.Unmarshal(fileData, at)
if err != nil {
log.Error(
"[NothingBot] 反序列化出错(json.Unmarshal(fileData, at)), err: ", err,
"\n respByte: ", string(fileData),
"\n Unmarshal by gson: ", gson.New(fileData).JSON("", ""),
)
break
}
at.marshal()
articleTextTable[at.Cvid] = at
}
return nil
},
)
if err != nil {
log.Error("遍历缓存时发生错误: ", err.Error())
}
}
var videoCodec = struct {
avc int
hevc int
av1 int
}{
avc: 7,
hevc: 12,
av1: 13,
}
var videoQual = struct {
js240 int
lc360 int
qx480 int
gq720 int
gzl720p60 int
gq1080 int
gml1080 int
gzl1080p60 int
cq4K int
zcsHDR int
dolby int
cgq8K int
}{
js240: 6,
lc360: 16,
qx480: 32,
gq720: 64,
gzl720p60: 74,
gq1080: 80,
gml1080: 112,
gzl1080p60: 116,
cq4K: 120,
zcsHDR: 125,
dolby: 126,
cgq8K: 127,
}
type archiveVideo struct {
aid int
cid int
hasAudio bool //是否带音频
path string
}
// 获取视频流(mp4)
func getVideoMp4(aid int, qual int) *archiveVideo {
if cacheVi, has := archiveVideoTable[aid]; has {
return cacheVi
}
checkDir(tempDir)
cid := getCid(aid)
url := getVideoUrlMp4(aid, cid, qual)
path := ""
if lor := gocqIsLocalOrRemote(); lor == "local" { //gocq在本地时通过bot下载
fileName := fmt.Sprint("av", aid, "_c", cid, "_qn", qual, ".mp4")
path := tempDir + fileName
videoByte, err := ihttp.New().WithUrl(url).
WithHeaders(iheaders).
Get().ToBytes()
if err != nil {
log.Error("[bilibili] 视频(mp4)下载失败 err: ", err)
return nil
}
err = os.WriteFile(path, videoByte, 0664)
if err != nil {
log.Error("[bilibili] 视频(mp4)写入本地失败 err: ", err)
}
log.Debug("[bilibili] local path: ", path, " len(videoByte): ", len(videoByte))
} else if lor == "remote" { //否则调用远程下载
p, err := bot.DownloadFile(url, 1, iheaders)
path = p
if err != nil {
log.Error("[bilibili] 远程视频(mp4)下载失败 err: ", err)
return nil
} else {
log.Debug("[bilibili] remote path: ", path)
}
}
return &archiveVideo{
aid: aid,
cid: cid,
hasAudio: true,
path: path,
}
}
type videoUrls map[int]map[int]string //qual:codec:
// 获取视频流(dash)链接
func getVideoUrlDash(aid int, cid int) (urls videoUrls) {
g, err := ihttp.New().WithUrl(`https://api.bilibili.com/x/player/playurl`).
WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
WithAddQuerys(
map[string]any{
"avid": aid,
"cid": cid,
"fnval": 16, //dash
},
).
Get().ToGson()
if err != nil {
log.Error("[bilibili] 获取视频流(dash)链接失败 err: ", err)
return
}
if g.Get("code").Int() != 0 {
log.Error("[bilibili] 获取视频流(dash)链接失败 g: ", g.JSON("", ""))
return
}
urls = make(videoUrls)
for _, h := range g.Get("data.dash.video").Arr() {
qualId := h.Get("id").Int()
urls[qualId] = make(map[int]string)
codecId := h.Get("codecid").Int()
baseUrl := h.Get("baseUrl").Str()
urls[qualId][codecId] = baseUrl
}
return
}
// 获取视频流(mp4)链接, avc only
func getVideoUrlMp4(aid int, cid int, qual int) (url string) {
g, err := ihttp.New().WithUrl(`https://api.bilibili.com/x/player/playurl`).
WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
WithAddQuerys(
map[string]any{
"avid": aid,
"cid": cid,
"qn": qual,
"fnval": 1, //mp4
},
).
Get().ToGson()
if err != nil {
log.Error("[bilibili] 获取视频流(mp4)链接失败 err: ", err)
return
}
if g.Get("code").Int() != 0 {
log.Error("[bilibili] 获取视频流(mp4)链接失败 g: ", g.JSON("", ""))
return
}
url = g.Get("data.durl").Arr()[0].Get("url").Str()
if len(url) < 16 {
log.Error("[bilibili] 获取视频流(mp4)链接失败 url: ", url, " g: ", g.JSON("", ""))
return ""
}
return
}
var audioQual = struct {
low int //64k
mid int //132k
high int //192k
dolby int
HiRes int
}{
low: 30216,
mid: 30232,
high: 30280,
dolby: 30250,
HiRes: 30251,
}
type archiveAudio struct {
aid int
cid int
localPath string
}
// 获取音频流
func getAudio(aid int, cid int) *archiveAudio {
if cacheAu, has := archiveAudioTable[aid]; has {
return cacheAu
}
checkDir(tempDir)
url := getAudioUrl(aid, cid).high()
fileName := fmt.Sprint("av", aid, "_c", cid, ".aac")
localPath := tempDir + fileName
audioByte, err := ihttp.New().WithUrl(url).
WithHeaders(iheaders).
Get().ToBytes()
if err != nil {
log.Error("[bilibili] 音频下载失败 err: ", err)
return nil
} else {
log.Debug("[bilibili] len(audioByte): ", len(audioByte))
}
os.WriteFile(localPath, audioByte, 0664)
return &archiveAudio{
aid: aid,
cid: cid,
localPath: localPath,
}
}
type audioUrls map[int]string
// 获取音频流链接
func getAudioUrl(aid int, cid int) (urls audioUrls) {
g, err := ihttp.New().WithUrl(`https://api.bilibili.com/x/player/playurl`).
WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
WithAddQuerys(
map[string]any{
"avid": aid,
"cid": cid,
"fnval": 16, //dash
},
).
Get().ToGson()
if err != nil {
log.Error("[bilibili] 获取音频流链接失败 err: ", err)
return
}
if g.Get("code").Int() != 0 {
log.Error("[bilibili] 获取音频流链接失败 g: ", g.JSON("", ""))
return
}
urls = make(audioUrls)
for _, h := range g.Get("data.dash.audio").Arr() {
qualId := h.Get("id").Int()
baseUrl := h.Get("baseUrl").Str()
urls[qualId] = baseUrl
}
return
}
// 尽量获取192k
func (a audioUrls) high() (bestUrl string) {
urlHigh, hasHigh := a[audioQual.high]
urlMid, hasMid := a[audioQual.mid]
urlLow, hasLow := a[audioQual.low]
switch {
case hasHigh:
bestUrl = urlHigh
case hasMid:
bestUrl = urlMid
case hasLow:
bestUrl = urlLow
default:
for _, j := range a {
bestUrl = j
break
}
}
log.Trace("[bilibili] bestUrl: ", bestUrl)
return
}
type archiveSubtitle struct {
Aid int `json:"aid"`
Cid int `json:"cid"`
Up string `json:"up"`
Title string `json:"title"`
Result string `json:"result"` //gson.JSON.JSON("","")
seq string //不存本地
IsNative bool `json:"is_native"` //真为原生字幕，假为转录字幕
}
// 获取视频原生字幕/缓存字幕, 传标题进来省得再请求一遍
func getSubtitle(aid int, up string, title string) *archiveSubtitle {
if cacheAS, has := archiveSubtitleTable[aid]; has && cacheAS != nil {
log.Info("[bilibili] 调用缓存: av", aid)
return cacheAS
}
cid := getCid(aid)
if cid == 0 {
log.Error("[bilibili] cid == 0")
return nil
}
subtitleUrl := getSubtitleUrl(aid, cid)
log.Trace("[bilibili] subtitleUrl: ", subtitleUrl)
if subtitleUrl == "" {
log.Error("[bilibili] subtitleUrl == \"\"")
return nil
}
result, err := ihttp.New().WithUrl("https:" + subtitleUrl).
WithHeaders(iheaders).
Get().ToString()
if err != nil {
log.Error("[bilibili] ihttp err: ", err)
return nil
}
as := &archiveSubtitle{
Aid: aid,
Cid: cid,
Up: up,
Title: title,
Result: result,
IsNative: true,
}
checkDir(tempDir)
asByte, err := json.Marshal(as)
if err != nil {
log.Error("[bilibili] Cache Marshal err: ", err.Error())
}
localPath := fmt.Sprint(tempDir, "av", aid, "_c", cid, ".json")
os.WriteFile(localPath, asByte, 0644) //缓存
as.nativeMarshal()
return as
}
// 调用必剪转录视频字幕
func bcutSubtitle(aid int, up string, title string) *archiveSubtitle {
checkDir(tempDir)
cid := getCid(aid)
if cid == 0 {
log.Error("[bilibili] cid == 0")
return nil
}
audio := getAudio(aid, cid)
resp, err := bcutasr.New().Parse(audio.localPath)
if err != nil {
panic(err)
}
log.Debug("[bilibili] bcutASR code: ", resp.GetInt("code"))
result := resp.GetString("data.result")
as := &archiveSubtitle{
Aid: aid,
Cid: cid,
Up: up,
Title: title,
Result: result,
IsNative: false,
}
checkDir(tempDir)
asByte, err := json.Marshal(as)
if err != nil {
log.Error("[bilibili] Cache Marshal err: ", err.Error())
}
localPath := fmt.Sprint(tempDir, "av", aid, "_c", cid, ".json")
os.WriteFile(localPath, asByte, 0644) //缓存
as.bcutMarshal()
return as
}
// 序列化
func (as *archiveSubtitle) marshal() *archiveSubtitle {
if as.IsNative {
as.nativeMarshal()
} else {
as.bcutMarshal()
}
return as
}
// 原生字幕序列化
func (as *archiveSubtitle) nativeMarshal() *archiveSubtitle {
as.seq = func() (seq string) {
resultJson := gson.NewFrom(as.Result)
for _, body := range resultJson.Get("body").Arr() {
if seq != "" {
seq += "\n"
}
seq += body.Get("content").Str()
}
return
}()
return as
}
// 必剪转录文本序列化
func (as *archiveSubtitle) bcutMarshal() *archiveSubtitle {
as.seq = func() (seq string) {
resultJson := gson.NewFrom(as.Result)
for _, sent := range resultJson.Get("utterances").Arr() {
if seq != "" {
seq += "\n"
}
seq += sent.Get("transcript").Str()
}
return
}()
return as
}
// 获取p1的cid
func getCid(aid int) (cid int) {
pagelist, err := ihttp.New().WithUrl("https://api.bilibili.com/x/player/pagelist").
WithAddQuerys(map[string]any{"aid": aid}).WithHeaders(iheaders).
Get().ToGson()
if err == nil && pagelist.Get("code").Int() == 0 {
cid = pagelist.Get("data.0.cid").Int()
} else {
log.Error("[bilibili] cid获取错误 err: ", err, " code: ", pagelist.Get("code").Int())
}
return
}
// 获取视频字幕链接
func getSubtitleUrl(aid int, cid int) (url string) {
player, err := ihttp.New().WithUrl("https://api.bilibili.com/x/player/v2").
WithAddQuerys(map[string]any{"aid": aid, "cid": cid}).WithHeaders(iheaders).WithCookie(biliIdentity.Cookie).
Get().ToGson()
if err == nil || player.Get("code").Int() == 0 {
subtitles := player.Get("data.subtitle.subtitles").Arr()
if len(subtitles) == 0 { //没有字幕
log.Trace("[bilibili] len(subtitles) == 0")
log.Trace("[bilibili] player: ", player.JSON("", ""))
return
}
subtitlesMap := make(map[string]string) // "lan":"subtitle_url"
for _, subtitle := range subtitles {
lan := subtitle.Get("lan").Str()
url := subtitle.Get("subtitle_url").Str()
subtitlesMap[lan] = url
}
urlZHCN, hasZHCN := subtitlesMap["zh-CN"]
urlAIZH, hasAIZH := subtitlesMap["ai-zh"]
if hasZHCN {
url = urlZHCN
} else if hasAIZH {
url = urlAIZH
} else { //都没有直接取第一个
url = subtitles[0].Get("subtitle_url").Str()
}