From db9b75da70a2970516149c62965913a0f7ade223 Mon Sep 17 00:00:00 2001
From: BTMuli <BT-Muli@outlook.com>
Date: Sun, 14 Jan 2024 22:57:58 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=92=A9=20=E5=B0=9D=E8=AF=95=E8=8E=B7?=
 =?UTF-8?q?=E5=8F=96=E8=A7=86=E9=A2=91=E6=92=AD=E6=94=BE=E9=93=BE=E6=8E=A5?=
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---
 src/pages/common/Test.vue               | 21 +++++--
 src/plugins/Bili/index.ts               |  2 +
 src/plugins/Bili/request/getNav.ts      | 21 +++++++
 src/plugins/Bili/request/getVideoUrl.ts | 57 ++++++++++++++++++
 src/plugins/Bili/types/Nav.d.ts         | 42 +++++++++++++
 src/plugins/Bili/types/Video.d.ts       | 15 +++++
 src/plugins/Bili/utils/getWrid.ts       | 80 +++++++++++++++++++++++++
 7 files changed, 234 insertions(+), 4 deletions(-)
 create mode 100644 src/plugins/Bili/request/getNav.ts
 create mode 100644 src/plugins/Bili/request/getVideoUrl.ts
 create mode 100644 src/plugins/Bili/types/Nav.d.ts
 create mode 100644 src/plugins/Bili/utils/getWrid.ts

diff --git a/src/pages/common/Test.vue b/src/pages/common/Test.vue
index 2b485bd1..2c39dfac 100644
--- a/src/pages/common/Test.vue
+++ b/src/pages/common/Test.vue
@@ -14,17 +14,30 @@
       </div>
     </div>
   </div>
-  <TpVideo :data="mock" />
+  <!--  <TpVideo :data="mock" />-->
 </template>
 <script lang="ts" setup>
-import TpVideo from "../../components/post/tp-video.vue";
+import { onMounted } from "vue";
+
+import Bili from "../../plugins/Bili";
+// import TpVideo from "../../components/post/TpVideo.vue";
 
 const mock = {
   insert: {
-    // todo：数据也可能是 BV1qb4y1L7mD，缺乏数据来源
-    video: "https://www.bilibili.com/video/BV1qb4y1L7mD",
+    video: "https://player.bilibili.com/player.html?aid=540893019&autoplay=false&bvid=BV1ri4y1s7sY",
   },
 };
+
+onMounted(async () => {
+  const url = new URL(mock.insert.video);
+  const aid = url.searchParams.get("aid") ?? undefined;
+  const bvid = url.searchParams.get("bvid") ?? undefined;
+  const baseData = await Bili.video.view(aid, bvid);
+  console.log("baseData", baseData);
+  const cid = baseData.cid;
+  const urlData = await Bili.video.url(cid, undefined, bvid);
+  console.log("urlData", urlData);
+});
 </script>
 <style lang="css" scoped>
 .test-box {
diff --git a/src/plugins/Bili/index.ts b/src/plugins/Bili/index.ts
index 8cc65d08..ee522a95 100644
--- a/src/plugins/Bili/index.ts
+++ b/src/plugins/Bili/index.ts
@@ -4,11 +4,13 @@
  * @since Beta v0.4.0
  */
 
+import getVideoUrl from "./request/getVideoUrl";
 import getVideoView from "./request/getVideoView";
 
 const Bili = {
   video: {
     view: getVideoView,
+    url: getVideoUrl,
   },
 };
 
diff --git a/src/plugins/Bili/request/getNav.ts b/src/plugins/Bili/request/getNav.ts
new file mode 100644
index 00000000..42d0758e
--- /dev/null
+++ b/src/plugins/Bili/request/getNav.ts
@@ -0,0 +1,21 @@
+/**
+ * @file plugins/Bili/request/getNav.ts
+ * @description Bili 插件导航请求文件
+ * @since Beta v0.4.0
+ */
+
+import { http } from "@tauri-apps/api";
+
+/**
+ * @description Bili 插件导航请求
+ * @since Beta v0.4.0
+ * @return {Promise<TGApp.Plugins.Bili.Nav.NavData>} Bili 插件导航请求返回
+ */
+async function getNav(): Promise<TGApp.Plugins.Bili.Nav.NavData> {
+  const url = "https://api.bilibili.com/x/web-interface/nav";
+  return await http.fetch<TGApp.Plugins.Bili.Nav.NavResponse>(url).then((res) => {
+    return res.data.data;
+  });
+}
+
+export default getNav;
diff --git a/src/plugins/Bili/request/getVideoUrl.ts b/src/plugins/Bili/request/getVideoUrl.ts
new file mode 100644
index 00000000..56cc07a3
--- /dev/null
+++ b/src/plugins/Bili/request/getVideoUrl.ts
@@ -0,0 +1,57 @@
+/**
+ * @file plugins/Bili/request/getVideoUrl.ts
+ * @description Bili 插件视频请求文件
+ * @since Beta v0.4.0
+ */
+
+import { http } from "@tauri-apps/api";
+
+import getWrid from "../utils/getWrid";
+
+/**
+ * @description 获取视频播放地址
+ * @since Beta v0.4.0
+ * @see https://socialsisteryi.github.io/bilibili-API-collect/docs/video/videostream_url.html#dash%E6%A0%BC%E5%BC%8F
+ * @param {string} [aid] 视频AV号
+ * @param {string} [bvid] 视频BV号
+ * @param {number} cid 视频分P号
+ * @returns {Promise<string>} 视频播放地址
+ */
+async function getVideoUrl(cid: number, aid?: string, bvid?: string): Promise<unknown> {
+  const url = "https://api.bilibili.com/x/player/wbi/playurl";
+  let params: Record<string, string> = {
+    cid: cid.toString(),
+    platform: "html5",
+    high_quality: "1",
+  };
+  if (aid) {
+    params = {
+      aid,
+      ...params,
+    };
+  } else if (bvid) {
+    params = {
+      bvid,
+      ...params,
+    };
+  } else {
+    throw new Error("参数错误");
+  }
+  const wrid = await getWrid(params);
+  params = {
+    ...params,
+    wts: wrid[0].toString(),
+    wrid: wrid[1],
+  };
+  console.log("params", params);
+  return await http
+    .fetch<TGApp.Plugins.Bili.Video.UrlResponse>(url, {
+      method: "GET",
+      query: params,
+    })
+    .then((res) => {
+      return res.data.data;
+    });
+}
+
+export default getVideoUrl;
diff --git a/src/plugins/Bili/types/Nav.d.ts b/src/plugins/Bili/types/Nav.d.ts
new file mode 100644
index 00000000..ac579e5c
--- /dev/null
+++ b/src/plugins/Bili/types/Nav.d.ts
@@ -0,0 +1,42 @@
+/**
+ * @file plugins/Bili/types/Nav.d.ts
+ * @description Bili 插件导航类型定义文件
+ * @since Beta v0.4.0
+ */
+
+/**
+ * @description Bili 插件导航类型
+ * @since Beta v0.4.0
+ * @namespace Nav
+ * @memberof TGApp.Plugins.Bili
+ */
+declare namespace TGApp.Plugins.Bili.Nav {
+  /**
+   * @description Bili 导航基本信息返回
+   * @since Beta v0.4.0
+   * @interface NavResponse
+   * @extends {TGApp.Plugins.Bili.Base.Response}
+   * @property {NavData} data 导航基本信息
+   * @return NavResponse
+   */
+  interface NavResponse extends TGApp.Plugins.Bili.Base.Response {
+    data: NavData;
+  }
+
+  /**
+   * @description Bili 导航基本信息
+   * @since Beta v0.4.0
+   * @interface NavData
+   * @see https://api.bilibili.com/x/web-interface/nav
+   * @desc 只写了用到的部分
+   * @property {string} wbi_img.img_url 网站图标
+   * @property {string} wbi_img.sub_url 网站图标（小）
+   * @return NavData
+   */
+  interface NavData {
+    wbi_img: {
+      img_url: string;
+      sub_url: string;
+    };
+  }
+}
diff --git a/src/plugins/Bili/types/Video.d.ts b/src/plugins/Bili/types/Video.d.ts
index ff0d4b3d..a63336e7 100644
--- a/src/plugins/Bili/types/Video.d.ts
+++ b/src/plugins/Bili/types/Video.d.ts
@@ -94,6 +94,7 @@ declare namespace TGApp.Plugins.Bili.Video {
     videos: number;
     tid: number;
     tname: string;
+    copyright: number;
     pic: string;
     title: string;
     pubdate: string;
@@ -155,4 +156,18 @@ declare namespace TGApp.Plugins.Bili.Video {
     disable_show_up_info: boolean;
     is_story_play: boolean;
   }
+
+  /**
+   * @description Bili 视频链接返回
+   * @since Beta v0.4.0
+   * @interface UrlResponse
+   * @extends {TGApp.Plugins.Bili.Base.Response}
+   * @property {UrlData} data 视频链接
+   * @return UrlResponse
+   */
+  interface UrlResponse extends TGApp.Plugins.Bili.Base.Response {
+    data: UrlData;
+  }
+
+  type UrlData = unknown;
 }
diff --git a/src/plugins/Bili/utils/getWrid.ts b/src/plugins/Bili/utils/getWrid.ts
new file mode 100644
index 00000000..1bc9e1ce
--- /dev/null
+++ b/src/plugins/Bili/utils/getWrid.ts
@@ -0,0 +1,80 @@
+/**
+ * @file plugins/Bili/utils/getWrid.ts
+ * @description Bili 插件获取 wrid 工具函数
+ * @since Beta v0.4.0
+ */
+
+import md5 from "js-md5";
+
+import getNav from "../request/getNav";
+
+/**
+ * @description 获取 key 值
+ * @since Beta v0.4.0
+ * @param {string} key key 名称
+ * @return {string} key 值
+ */
+function getKeyVal(key: string): string {
+  return key.split("/").pop()?.split(".")[0] ?? "";
+}
+
+/**
+ * @description 获取 mixin_key
+ * @since Beta v0.4.0
+ * @return {Promise<string>} mixin_key
+ */
+async function getMixinKey(): Promise<string> {
+  const nav = await getNav();
+  const key1 = getKeyVal(nav.wbi_img.img_url);
+  const key2 = getKeyVal(nav.wbi_img.sub_url);
+  const key = key1 + key2;
+  const MIXIN_KEY_ENC_TAB = [
+    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,
+  ];
+  const res = [];
+  for (const i of MIXIN_KEY_ENC_TAB) {
+    if (key.length < i) {
+      continue;
+    }
+    res.push(key[i]);
+  }
+  // 截取 res 的前 32 位
+  return res.join("").slice(0, 32);
+}
+
+/**
+ * @description 获取 wrid
+ * @since Beta v0.4.0
+ * @param {Record<string,string|number>} params 请求参数
+ * @param {number} nts 时间戳（秒）
+ * @returns {Promise<string>} wrid
+ */
+async function getWrid(
+  params: Record<string, string | number>,
+  nts?: number,
+): Promise<[number, string]> {
+  const mixin_key = await getMixinKey();
+  let wts: number;
+  if (!nts) {
+    wts = Math.floor(Date.now() / 1000);
+  } else {
+    wts = nts;
+  }
+  const obj: Record<string, unknown> = {
+    ...params,
+    wts,
+  };
+  const keys = Object.keys(obj).sort();
+  let md5Str = "";
+  for (const key of keys) {
+    md5Str += `${key}=${obj[key]}&`;
+  }
+  md5Str = md5Str.slice(0, -1);
+  md5Str += mixin_key;
+  const wrid = md5.md5(md5Str);
+  return [wts, wrid];
+}
+
+export default getWrid;