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* ✨ 添加AI视频总结 * 🐛 修改lint * ✨ 搬运wbi * 🐛 修改为大写
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| *.json |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package bilibili | ||
|
|
||
| import ( | ||
| "crypto/md5" | ||
| "encoding/hex" | ||
| "net/url" | ||
| "path/filepath" | ||
| "sort" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/FloatTech/floatbox/binary" | ||
| "github.com/FloatTech/floatbox/web" | ||
| "github.com/RomiChan/syncx" | ||
| "github.com/tidwall/gjson" | ||
| ) | ||
|
|
||
| var ( | ||
| mixinKeyEncTab = []int{ | ||
| 46, 47, 18, 2, 53, 8, 23, 32, 15, 50, 10, 31, 58, 3, 45, 35, 27, 43, 5, 49, | ||
| 33, 9, 42, 19, 29, 28, 14, 39, 12, 38, 41, 13, 37, 48, 7, 16, 24, 55, 40, | ||
| 61, 26, 17, 0, 1, 60, 51, 30, 4, 22, 25, 54, 21, 56, 59, 6, 63, 57, 62, 11, | ||
| 36, 20, 34, 44, 52, | ||
| } | ||
| cache syncx.Map[string, string] | ||
| lastUpdateTime time.Time | ||
| replacements = [...]string{"!", "'", "(", ")", "*"} | ||
| ) | ||
|
|
||
| // SignURL wbi签名包装 https://github.com/SocialSisterYi/bilibili-API-collect/blob/master/docs/misc/sign/wbi.md | ||
| func SignURL(urlStr string) string { | ||
| urlObj, _ := url.Parse(urlStr) | ||
| imgKey, subKey := getWbiKeysCached() | ||
| query := urlObj.Query() | ||
| params := map[string]string{} | ||
| for k, v := range query { | ||
| if len(v) > 0 { | ||
| params[k] = v[0] | ||
| } | ||
| } | ||
| newParams := wbiSign(params, imgKey, subKey) | ||
| for k, v := range newParams { | ||
| query.Set(k, v) | ||
| } | ||
| urlObj.RawQuery = query.Encode() | ||
| newURL := urlObj.String() | ||
| return newURL | ||
| } | ||
|
|
||
| func getMixinKey(orig string) string { | ||
| var str strings.Builder | ||
| t := 0 | ||
| for _, v := range mixinKeyEncTab { | ||
| if v < len(orig) { | ||
| str.WriteByte(orig[v]) | ||
| t++ | ||
| } | ||
| if t > 31 { | ||
| break | ||
| } | ||
| } | ||
| return str.String() | ||
| } | ||
|
|
||
| func wbiSign(params map[string]string, imgKey string, subKey string) map[string]string { | ||
| mixinKey := getMixinKey(imgKey + subKey) | ||
| currTime := strconv.FormatInt(time.Now().Unix(), 10) | ||
| params["wts"] = currTime | ||
| // Sort keys | ||
| keys := make([]string, 0, len(params)) | ||
| for k, v := range params { | ||
| keys = append(keys, k) | ||
| for _, old := range replacements { | ||
| v = strings.ReplaceAll(v, old, "") | ||
| } | ||
| params[k] = v | ||
| } | ||
| sort.Strings(keys) | ||
| h := md5.New() | ||
| for k, v := range keys { | ||
| h.Write([]byte(v)) | ||
| h.Write([]byte{'='}) | ||
| h.Write([]byte(params[v])) | ||
| if k < len(keys)-1 { | ||
| h.Write([]byte{'&'}) | ||
| } | ||
| } | ||
| h.Write([]byte(mixinKey)) | ||
| params["w_rid"] = hex.EncodeToString(h.Sum(make([]byte, 0, md5.Size))) | ||
| return params | ||
| } | ||
|
|
||
| func getWbiKeysCached() (string, string) { | ||
| if time.Since(lastUpdateTime).Minutes() > 10 { | ||
| imgKey, subKey := getWbiKeys() | ||
| cache.Store("imgKey", imgKey) | ||
| cache.Store("subKey", subKey) | ||
| lastUpdateTime = time.Now() | ||
| return imgKey, subKey | ||
| } | ||
| imgKeyI, _ := cache.Load("imgKey") | ||
| subKeyI, _ := cache.Load("subKey") | ||
| return imgKeyI, subKeyI | ||
| } | ||
|
|
||
| func getWbiKeys() (string, string) { | ||
| data, _ := web.GetData(NavURL) | ||
| json := binary.BytesToString(data) | ||
| imgURL := gjson.Get(json, "data.wbi_img.img_url").String() | ||
| subURL := gjson.Get(json, "data.wbi_img.sub_url").String() | ||
| imgKey := imgURL[strings.LastIndex(imgURL, "/")+1:] | ||
| imgKey = strings.TrimSuffix(imgKey, filepath.Ext(imgKey)) | ||
| subKey := subURL[strings.LastIndex(subURL, "/")+1:] | ||
| subKey = strings.TrimSuffix(subKey, filepath.Ext(subKey)) | ||
| return imgKey, subKey | ||
| } |