init: git clone https://github.com/iuroc/bilidown.git

2026-04-02 15:16:34 +08:00
commit 4facf82956
58 changed files with 6630 additions and 0 deletions
@@ -0,0 +1,228 @@
+package bilibili
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math/rand"
+	"strconv"
+	"strings"
+)
+
+// GetBVInfo 根据 BVID 获取视频信息
+func (client *BiliClient) GetVideoInfo(bvid string) (*VideoInfo, error) {
+	if client.SESSDATA == "" {
+		return nil, errors.New("SESSDATA 不能为空")
+	}
+	params := map[string]string{"bvid": bvid}
+	response, err := client.SimpleGET("https://api.bilibili.com/x/web-interface/wbi/view", params)
+	if err != nil {
+		return nil, err
+	}
+	body := BaseResV2{}
+	err = json.NewDecoder(response.Body).Decode(&body)
+	if err != nil {
+		return nil, err
+	}
+	if body.Code != 0 {
+		return nil, errors.New(body.Message)
+	}
+	bvInfo := VideoInfo{}
+	err = json.Unmarshal(body.Data, &bvInfo)
+	if err != nil {
+		return nil, err
+	}
+	return &bvInfo, nil
+}
+
+// GetSeasonInfo 根据 EPID 或 SSID 获取剧集信息
+func (client *BiliClient) GetSeasonInfo(epid int, ssid int) (*SeasonInfo, error) {
+	if client.SESSDATA == "" {
+		return nil, errors.New("SESSDATA 不能为空")
+	}
+	params := map[string]string{
+		"ep_id":     strconv.Itoa(epid),
+		"season_id": strconv.Itoa(ssid),
+	}
+	response, err := client.SimpleGET("https://api.bilibili.com/pgc/view/web/season", params)
+	if err != nil {
+		return nil, err
+	}
+	body := BaseResV3{}
+	err = json.NewDecoder(response.Body).Decode(&body)
+	if err != nil {
+		return nil, err
+	}
+	if body.Code != 0 {
+		return nil, errors.New(body.Message)
+	}
+	seasonInfo := SeasonInfo{}
+	err = json.Unmarshal(body.Result, &seasonInfo)
+	if err != nil {
+		return nil, err
+	}
+	return &seasonInfo, nil
+}
+
+// GetPlayInfo 根据 BVID 和 CID 获取视频播放信息
+func (client *BiliClient) GetPlayInfo(bvid string, cid int) (*PlayInfo, error) {
+	if client.SESSDATA == "" {
+		return nil, errors.New("SESSDATA 不能为空")
+	}
+	params := map[string]string{
+		"bvid":  bvid,
+		"cid":   strconv.Itoa(cid),
+		"fnval": "4048",
+		"fnver": "0",
+		"fourk": "1",
+	}
+	response, err := client.SimpleGET("https://api.bilibili.com/x/player/playurl", params)
+	if err != nil {
+		return nil, err
+	}
+	body := BaseResV2{}
+	err = json.NewDecoder(response.Body).Decode(&body)
+	if err != nil {
+		return nil, err
+	}
+	if body.Code != 0 {
+		return nil, errors.New(body.Message)
+	}
+	playInfo := PlayInfo{}
+	err = json.Unmarshal(body.Data, &playInfo)
+	if err != nil {
+		return nil, err
+	}
+	return &playInfo, nil
+}
+
+func (client *BiliClient) GetPopularVideos() ([]VideoInfo, error) {
+	if client.SESSDATA == "" {
+		return nil, errors.New("SESSDATA 不能为空")
+	}
+	urls := []string{
+		"https://api.bilibili.com/x/web-interface/popular",
+		"https://api.bilibili.com/x/web-interface/popular/precious",
+		"https://api.bilibili.com/x/web-interface/ranking/v2",
+	}
+	response, err := client.SimpleGET(urls[rand.Intn(len(urls))], nil)
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+	body := BaseResV2{}
+
+	err = json.NewDecoder(response.Body).Decode(&body)
+	if err != nil {
+		return nil, err
+	}
+	if body.Code != 0 {
+		return nil, errors.New(body.Message)
+	}
+	data := struct {
+		List []VideoInfo `json:"list"`
+	}{}
+
+	err = json.Unmarshal(body.Data, &data)
+	if err != nil {
+		return nil, err
+	}
+	return data.List, nil
+}
+
+// GetSeasonsArchivesList 获取合集中的第一个视频的 BVID
+func (client *BiliClient) GetSeasonsArchivesListFirstBvid(mid int, seasonId int) (string, error) {
+	url := "https://api.bilibili.com/x/polymer/web-space/seasons_archives_list"
+	params := map[string]string{
+		"mid":       strconv.Itoa(mid),
+		"season_id": strconv.Itoa(seasonId),
+		"page_num":  "1",
+		"page_size": "1",
+	}
+
+	response, err := client.SimpleGET(url, params)
+	if err != nil {
+		return "", err
+	}
+	defer response.Body.Close()
+
+	body := BaseResV2{}
+	if err = json.NewDecoder(response.Body).Decode(&body); err != nil {
+		return "", err
+	}
+	if body.Code != 0 {
+		return "", errors.New(body.Message)
+	}
+	var data struct {
+		Archives []struct {
+			Bvid string `json:"bvid"`
+		} `json:"archives"`
+	}
+	if err = json.Unmarshal(body.Data, &data); err != nil {
+		return "", nil
+	}
+	if len(data.Archives) == 0 {
+		return "", errors.New("视频列表为空")
+	}
+	return data.Archives[0].Bvid, nil
+}
+
+func (client *BiliClient) GetFavlist(mediaId int) (*FavList, error) {
+	if client.SESSDATA == "" {
+		return nil, errors.New("SESSDATA 不能为空")
+	}
+	page := 0
+	retry := 0
+	allFavList := FavList{}
+	for {
+		favList, hasMore, err := client.GetFavlistByPage(mediaId, page, 40)
+		if err != nil {
+			fmt.Println(err.Error())
+			if retry == 5 || strings.HasPrefix(err.Error(), "body.Code not 0") {
+				return nil, err
+			}
+			retry++
+			continue
+		}
+		allFavList = append(allFavList, *favList...)
+		if !hasMore {
+			break
+		}
+		page++
+	}
+	return &allFavList, nil
+}
+
+func (client *BiliClient) GetFavlistByPage(mediaId int, page int, pageSize int) (favlist *FavList, hasMore bool, err error) {
+	if client.SESSDATA == "" {
+		return nil, false, errors.New("SESSDATA 不能为空")
+	}
+	response, err := client.SimpleGET("https://api.bilibili.com/x/v3/fav/resource/list", map[string]string{
+		"media_id": strconv.Itoa(mediaId),
+		"pn":       strconv.Itoa(page + 1),
+		"ps":       strconv.Itoa(pageSize),
+		"order":    "mtime",
+		"type":     "0",
+		"tid":      "0",
+		"platform": "web",
+	})
+	if err != nil {
+		return nil, false, err
+	}
+	defer response.Body.Close()
+	body := BaseResV2{}
+	if err = json.NewDecoder(response.Body).Decode(&body); err != nil {
+		return nil, false, err
+	}
+	if body.Code != 0 {
+		return nil, false, fmt.Errorf("body.Code not 0, %s", body.Message)
+	}
+	data := struct {
+		Medias  FavList `json:"medias"`
+		HasMore bool    `json:"has_more"`
+	}{}
+	if err = json.Unmarshal(body.Data, &data); err != nil {
+		return nil, false, err
+	}
+	return &data.Medias, data.HasMore, nil
+}