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class="vp-navbar-dropdown-wrapper"><button class="vp-navbar-dropdown-title" type="button" aria-label="相关社群"><span class="title">相关社群</span><span class="arrow down"></span></button><button class="vp-navbar-dropdown-title-mobile" type="button" aria-label="相关社群"><span class="title">相关社群</span><span class="right arrow"></span></button><ul class="vp-navbar-dropdown" style="display:none;"><!--[--><li class="vp-navbar-dropdown-item"><a class="auto-link external-link" href="http://qm.qq.com/cgi-bin/qm/qr?_wv=1027&k=ympvb3LAPT-Ulu3ezhGqbkJ8zXMKImOX&authKey=z1KdkOdKO3wytN43m9K6On9nBtnDL4pAoD6VQHCipFBb9TasNDKuDHCmOE6TF3uc&noverify=0&group_code=191187164" aria-label="QQ交流群（综合技术交流）" rel="noopener noreferrer" target="_blank"><!--[--><!--[--><!--]--><!--]-->QQ交流群（综合技术交流）<!--[--><!--[--><!--]--><!--]--></a></li><li class="vp-navbar-dropdown-item"><a class="auto-link external-link" href="https://t.me/bilibili_API_collect_community" aria-label="Telegram交流群（Github Bot推送）" rel="noopener noreferrer" target="_blank"><!--[--><!--[--><!--]--><!--]-->Telegram交流群（Github Bot推送）<!--[--><!--[--><!--]--><!--]--></a></li><!--]--></ul></div></div><div class="vp-navbar-item"><a class="auto-link external-link" href="https://github.com/SocialSisterYi/bilibili-API-collect" aria-label="GitHub" rel="noopener noreferrer" target="_blank"><!--[--><!--[--><!--]--><!--]-->GitHub<!--[--><!--[--><!--]--><!--]--></a></div><!--]--></nav><!--[--><!--]--><ul class="vp-sidebar-items"><!--[--><li><p tabindex="0" class="vp-sidebar-item vp-sidebar-heading">gRPC 接口定义（protobuf 结构体） <!----></p><!----></li><!--]--></ul><!--[--><!--]--></aside><!--]--><!--[--><main class="vp-page"><!--[--><!--]--><div vp-content><!--[--><!--]--><div id="content"><h1 id="grpc-接口定义-protobuf-结构体" tabindex="-1"><a class="header-anchor" href="#grpc-接口定义-protobuf-结构体"><span>gRPC 接口定义（protobuf 结构体）</span></a></h1><p>注：</p><ol><li><p>proto 结构体文件按照包名分类, 同级放在同一目录中</p></li><li><p>gRPC 接口定义全部来自对官方粉版(即大陆版本) APP 的逆向工程, 一般不会有错误, 但是可能有更新, 有实际应用需求的建议自行反编译 APP, 定位到 <code>com.bapis.*</code> 自行补足.</p></li></ol><h2 id="grpc-主机" tabindex="-1"><a class="header-anchor" href="#grpc-主机"><span>gRPC 主机</span></a></h2><p>B 站客户端的 gRPC 接口主机包括:</p><ul><li><code>grpc.biliapi.net</code> 原生 gRPC 接口</li><li><code>app.bilibili.com</code> Failover gRPC 接口</li></ul><p>实际应用中, 后者速度相对更快. 但是需要设置如 gRPC 超时时间等参数时只能使用前者.</p><h2 id="grpc-鉴权" tabindex="-1"><a class="header-anchor" href="#grpc-鉴权"><span>gRPC 鉴权</span></a></h2><p>需要在 Metadata 中添加 <code>authorization</code>: <code>identify_v1 {access_key}</code>.</p><h2 id="grpc-metadata" tabindex="-1"><a class="header-anchor" href="#grpc-metadata"><span>gRPC Metadata</span></a></h2><p>参考 <a href="https://github.com/grpc/grpc-go/blob/master/Documentation/grpc-metadata.md" target="_blank" rel="noopener noreferrer">gRPC Go 官方文档</a> 对 <code>Metadata</code> 的说明.</p><p>gRPC 的 <code>Metadata</code> 简单理解，就是 HTTP 的 Header 中的 key-value 对, 本质上是一个 Map. 在 gRPC <code>Metadata</code> 中，key 永远是 String，但是 value 可以是 String 也可以是二进制数据. <strong>需要存储二进制数据时, key 应当加上一个 <code>-bin</code> 后缀, 同时二进制 value 应当编码为 Base64</strong>.</p><p>一般而言, 设定 Binary 类型的 <code>Metadata</code> 时, 需要调用各个语言的 gRPC 库的相应方法, 库会帮我们编码二进制数据, 无需我们自行编码.</p><p>需要的 <code>Metadata</code> 包括(但不限于):</p><ul><li>Ascii 类 <ul><li><code>user-agent</code> 客户端 UA, 如 <code>Dalvik/2.1.0 (Linux; U; Android 12; {device_model} Build/{device_build}) {app_ver} os/android model/{device_model} mobi_app/{mobi_app} build/{app_build} channel/master innerVer/{app_build_inner} osVer/12 network/2 grpc-java-cronet/1.36.1</code>(其中 <code>grpc-java-cronet/1.36.1</code> 为原生 gRPC 接口才需要的). <strong>必需</strong>. <ul><li><code>device_model</code> 设备 Model, 如 <code>NOH-AN01</code>.</li><li><code>device_build</code> 设备 Build, 如 <code>HUAWEINOH-AN01</code>.</li><li><code>app_ver</code> APP 版本号, 如 <code>7.38.0</code>.</li><li><code>mobi_app</code> APP 包类型, 参考 <a class="route-link" href="/bilibili-API-collect/docs/misc/sign/APPKey.html">APPKey.md</a>.</li><li><code>app_build</code> APP 版本号, 如 <code>7380300</code>.</li><li><code>app_build_inner</code> APP 版本号(内部), 如 <code>7380310</code>. 实际应用中设置为 <code>app_build</code> 即可.</li></ul></li><li><code>x-bili-gaia-vtoken</code> 暂时留空.</li><li><code>x-bili-aurora-eid</code> 如 <code>UFUFQ1AA</code>. 算法见附录. 未登录留空. <strong>必需</strong>.</li><li><code>x-bili-mid</code> 用户 UID, 未登录默认为 0. <strong>必需</strong>.</li><li><code>x-bili-aurora-zone</code> 留空. <strong>必需</strong>.</li><li><code>x-bili-trace-id</code> 如 <code>06e903399574695df75be114ff63ac64:f75be114ff63ac64:0:0</code>. 算法见附录. <strong>必需</strong>.</li><li><code>authorization</code> 鉴权, 登录时设定为 <code>identify_v1 {access_key}</code>, 未登录时无需此项.</li><li><code>buvid</code> 设备唯一标识, 算法见 <a class="route-link" href="/bilibili-API-collect/docs/misc/device_identity.html">device_identity.md</a>. <strong>必需(?)</strong>.</li><li><code>bili-http-engine</code> 恒定为 <code>cronet</code>, 使用 <code>grpc.biliapi.net</code> 作为 gRPC 主机时无需此项.</li><li><code>te</code> 恒定为 <code>trailers</code>, Java gRPC 库固定添加, 使用 <code>app.bilibili.com</code> 作为 gRPC 主机时无需此项.</li></ul></li><li>Binary 类 <ul><li><code>x-bili-fawkes-req-bin</code> 设备 Fawkes 信息, 使用 <a href="bilibili/metadata/fawkes/fawkes.proto">FawkesReq</a> 生成. <strong>必需</strong>.</li><li><code>x-bili-metadata-bin</code> 使用 <a href="bilibili/metadata/metadata.proto">Metadata</a> 生成. <strong>必需</strong>.</li><li><code>x-bili-device-bin</code> 设备信息, 使用 <a href="bilibili/metadata/device/device.proto">Device</a> 生成. <strong>必需</strong>.</li><li><code>x-bili-network-bin</code> 设备网络信息, 使用 <a href="bilibili/metadata/network/network.proto">Network</a> 生成. <strong>必需</strong>.</li><li><code>x-bili-restriction-bin</code> 限制信息, 使用 <a href="bilibili/metadata/restriction/restriction.proto">Restriction</a> 生成. 本项一般直接传空值即可. <strong>必需</strong>.</li><li><code>x-bili-locale-bin</code> 设备区域信息, 使用 <a href="bilibili/metadata/locale/locale.proto">Locale</a> 生成. <strong>必需</strong>.</li><li><code>x-bili-exps-bin</code> 使用 <a href="bilibili/metadata/pararbox/pararbox.proto">Exps</a> 生成. 本项一般直接传空值即可. <strong>必需</strong>.</li></ul></li></ul><h2 id="接口请求定义" tabindex="-1"><a class="header-anchor" href="#接口请求定义"><span>接口请求定义</span></a></h2><p>等待补充, 参见 proto 文件注释. 以下仅介绍常用接口:</p><ul><li><a href="bilibili/app/playeronline/v1/playeronline.proto">bilibili.app.playeronline.v1 -> PlayerOnline</a> 视频在线人数接口.</li><li><a href="bilibili/app/playerunite/v1/playerunite.proto">bilibili.app.playerunite.v1 -> PlayViewUnite</a> United 视频播放链接接口(同时适用于 PGC, UGC 视频).</li><li><a href="bilibili/app/playurl/v1/playurl.proto">bilibili.app.playurl.v1 -> PlayURL</a> UGC 视频播放链接接口(V1 版本).</li><li><a href="bilibili/pgc/gateway/player/v1/playurl.proto">bilibili.pgc.gateway.player.v1 -> PlayView</a> PGC 视频播放链接接口(V1 版本).</li><li><a href="bilibili/pgc/gateway/player/v2/playurl.proto">bilibili.pgc.gateway.player.v2 -> PlayView</a> PGC 视频播放链接接口(V2 版本).</li><li><a href="bilibili/polymer/app/search/v1/search.proto">bilibili.polymer.app.search.v1 -> SearchAll, etc</a> 搜索接口(V1 版本).</li><li><a href="bilibili/app/dynamic/v2/dynamic.proto">bilibili.app.dynamic.v2 -> DynAll, etc</a> 动态接口(V2 版本).</li><li>...</li></ul><h2 id="应用示例" tabindex="-1"><a class="header-anchor" href="#应用示例"><span>应用示例</span></a></h2><h3 id="golang" tabindex="-1"><a class="header-anchor" href="#golang"><span>Golang</span></a></h3><p>B 站 gRPC API Golang 封装：<a href="https://github.com/XiaoMiku01/bilibili-grpc-api-go" target="_blank" rel="noopener noreferrer">XiaoMiku01/bilibili-grpc-api-go</a></p><h2 id="附录" tabindex="-1"><a class="header-anchor" href="#附录"><span>附录</span></a></h2><details><summary>点此展开</summary><h3 id="x-bili-aurora-eid-生成算法" tabindex="-1"><a class="header-anchor" href="#x-bili-aurora-eid-生成算法"><span><code>x-bili-aurora-eid</code> 生成算法</span></a></h3><div class="language-rust line-numbers-mode" data-highlighter="shiki" data-ext="rust" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-rust"><span class="line"><span style="color:#569CD6;">pub</span><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> gen_aurora_eid</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">uid</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">u64</span><span style="color:#D4D4D4;">) -> </span><span style="color:#4EC9B0;">Option</span><span style="color:#D4D4D4;"><</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">> {</span></span>
|
||
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> uid</span><span style="color:#D4D4D4;"> == </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> {</span></span>
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<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#4EC9B0;"> None</span><span style="color:#D4D4D4;">;</span></span>
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<span class="line"><span style="color:#D4D4D4;"> }</span></span>
|
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<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> result_byte</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">Vec</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">with_capacity</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">);</span></span>
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<span class="line"><span style="color:#6A9955;"> // 1. 将 UID 字符串转为字节数组.</span></span>
|
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<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> mid_byte</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">uid</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">into_bytes</span><span style="color:#D4D4D4;">();</span></span>
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<span class="line"><span style="color:#6A9955;"> // 2. 将字节数组逐位(记为第 i 位)与 b"ad1va46a7lza" 中第 (i % 12) 位进行异或操作, 作为结果数组第 i 位.</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> mid_byte</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">iter</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">enumerate</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">for_each</span><span style="color:#D4D4D4;">(|(</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">v</span><span style="color:#D4D4D4;">)| {</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> result_byte</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">v</span><span style="color:#D4D4D4;"> ^ (</span><span style="color:#CE9178;">b"ad1va46a7lza"</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;"> % </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">]))</span></span>
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<span class="line"><span style="color:#D4D4D4;"> });</span></span>
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<span class="line"><span style="color:#6A9955;"> // 3. 对字节数组执行 Base64 编码, 注意 no padding, 即得到 x-bili-aurora-eid.</span></span>
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<span class="line"><span style="color:#4EC9B0;"> Some</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">base64</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Engine</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">encode</span><span style="color:#D4D4D4;">(</span></span>
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||
<span class="line"><span style="color:#D4D4D4;"> &</span><span style="color:#4EC9B0;">base64</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">engine</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">general_purpose</span><span style="color:#D4D4D4;">::STANDARD_NO_PAD,</span></span>
|
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<span class="line"><span style="color:#9CDCFE;"> result_byte</span><span style="color:#D4D4D4;">,</span></span>
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<span class="line"><span style="color:#D4D4D4;"> ))</span></span>
|
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<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="x-bili-trace-id-生成算法" tabindex="-1"><a class="header-anchor" href="#x-bili-trace-id-生成算法"><span><code>x-bili-trace-id</code> 生成算法</span></a></h3><div class="language-rust line-numbers-mode" data-highlighter="shiki" data-ext="rust" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-rust"><span class="line"><span style="color:#569CD6;">pub</span><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> gen_trace_id</span><span style="color:#D4D4D4;">() -> </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
|
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<span class="line"><span style="color:#6A9955;"> // 1. 生成 32 位随机字符串 random_id , Charset 为 0~9, a~z. </span></span>
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<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> random_id</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">gen_random_string!</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">);</span></span>
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<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> random_trace_id</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">with_capacity</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">);</span></span>
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<span class="line"><span style="color:#6A9955;"> // 2. 取 random_id 前 24 位, 作为 random_trace_id.</span></span>
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<span class="line"><span style="color:#9CDCFE;"> random_trace_id</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(&</span><span style="color:#9CDCFE;">random_id</span><span style="color:#D4D4D4;">[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">]);</span></span>
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<span class="line"><span style="color:#6A9955;"> // 3. 初始化一个长度为 3 的数组 b_arr, 初始值都为 0.</span></span>
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<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> b_arr</span><span style="color:#D4D4D4;">: [</span><span style="color:#4EC9B0;">i8</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">] = [</span><span style="color:#B5CEA8;">0</span><span style="color:#4EC9B0;">i8</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">];</span></span>
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<span class="line"><span style="color:#6A9955;"> // 并获取当前时间戳</span></span>
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||
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> ts</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">chrono</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Local</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">now</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">timestamp</span><span style="color:#D4D4D4;">();</span></span>
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<span class="line"><span style="color:#6A9955;"> // 使用循环从高位到低位遍历 b_arr 数组, 循环体内执行以下逻辑:</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // - 首先将 ts 右移 8 位</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // - 然后根据条件向 b_arr 的第 i 位赋值: </span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // - 如果 (ts / 128) % 2的结果为0, 则 b_arr[i] = ts % 256</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // - 否则 b_arr[i] = ts % 256 - 256</span></span>
|
||
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#9CDCFE;"> i</span><span style="color:#569CD6;"> in</span><span style="color:#D4D4D4;"> (</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">rev</span><span style="color:#D4D4D4;">() {</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> ts</span><span style="color:#D4D4D4;"> >>= </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">;</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> b_arr</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">] = {</span></span>
|
||
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> ((</span><span style="color:#9CDCFE;">ts</span><span style="color:#D4D4D4;"> / </span><span style="color:#B5CEA8;">128</span><span style="color:#D4D4D4;">) % </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">) == </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> {</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">ts</span><span style="color:#D4D4D4;"> % </span><span style="color:#B5CEA8;">256</span><span style="color:#D4D4D4;">) </span><span style="color:#569CD6;">as</span><span style="color:#4EC9B0;"> i8</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#C586C0;">else</span><span style="color:#D4D4D4;"> {</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">ts</span><span style="color:#D4D4D4;"> % </span><span style="color:#B5CEA8;">256</span><span style="color:#D4D4D4;"> - </span><span style="color:#B5CEA8;">256</span><span style="color:#D4D4D4;">) </span><span style="color:#569CD6;">as</span><span style="color:#4EC9B0;"> i8</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // 4. 将数组 b_arr 中的每个元素逐个转换为两位的十六进制字符串并追加到 random_trace_id 中.</span></span>
|
||
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#9CDCFE;"> i</span><span style="color:#569CD6;"> in</span><span style="color:#B5CEA8;"> 0</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;"> {</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(&</span><span style="color:#DCDCAA;">format!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">"{:0>2x}"</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">b_arr</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">]))</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // 5. 将 random_id 的第 31, 32 个字符追加到 random_trace_id 中, 此时 random_trace_id 生成完毕, 应当为 32 位长度.</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(&</span><span style="color:#9CDCFE;">random_id</span><span style="color:#D4D4D4;">[</span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">]);</span></span>
|
||
<span class="line"><span style="color:#6A9955;"> // 6. 最后, 按 `{random_trace_id}:{random_trace_id[16..32]}:0:0` 的顺序拼接起来, 即为 x-bili-trace-id</span></span>
|
||
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> random_trace_id_final</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">with_capacity</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">);</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id_final</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(&</span><span style="color:#9CDCFE;">random_trace_id</span><span style="color:#D4D4D4;">);</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id_final</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">":"</span><span style="color:#D4D4D4;">);</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id_final</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(&</span><span style="color:#9CDCFE;">random_trace_id</span><span style="color:#D4D4D4;">[</span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">]);</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id_final</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_str</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">":0:0"</span><span style="color:#D4D4D4;">);</span></span>
|
||
<span class="line"><span style="color:#9CDCFE;"> random_trace_id_final</span></span>
|
||
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div></details></div><!--[--><!--]--></div><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a class="auto-link external-link label" href="https://github.com/SocialSisterYi/bilibili-API-collect/edit/master/grpc_api/readme.md" aria-label="在 GitHub 上编辑此页" rel="noopener noreferrer" target="_blank"><!--[--><!--[--><svg class="edit-icon" viewbox="0 0 1024 1024"><g fill="currentColor"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></g></svg><!--]--><!--]-->在 GitHub 上编辑此页<!--[--><!--[--><!--]--><!--]--></a></div><div class="vp-meta-item git-info"><div class="vp-meta-item last-updated"><span class="meta-item-label">最近更新: </span><time class="meta-item-info" datetime="2023-07-14T04:46:41.000Z" data-allow-mismatch>2023/7/14 04:46</time></div><div class="vp-meta-item contributors"><span class="meta-item-label">Contributors: </span><span class="meta-item-info"><!--[--><!--[--><span class="contributor" title="email: 45892418+SocialSisterYi@users.noreply.github.com">SocialSisterYi</span><!--[-->, <!--]--><!--]--><!--[--><span class="contributor" title="email: loveava0612@outlook.com">XiaoMiku01</span><!--[-->, <!--]--><!--]--><!--[--><span class="contributor" title="email: 70561268+cxw620@users.noreply.github.com">cxw620</span><!----><!--]--><!--]--></span></div></div></footer><!----><!--[--><!--[--><footer style="text-align:center;"> Copyright © 2020-2025 <a href="https://github.com/SocialSisterYi/">SocialSisterYi</a> | <a href="https://github.com/SocialSisterYi/bilibili-API-collect/blob/master/LICENSE">CC-BY-NC-4.0 Licensed</a></footer><!--]--><!--]--></main><!--]--></div><!--[--><!----><!--]--><!--]--></div>
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