feat: add CTFHub 日历 (#4255)

docs/study.md

@@ -4,6 +4,32 @@ pageClass: routes
 
 # 学习
 
+## CTFHub Calendar
+
+### 查询国内外 CTF 赛事信息
+
+<Route author="frankli0324" example="/ctfhub/calendar" 
+    path="/ctfhub/calendar/:limit?/:form?/:class?/:title?" 
+    :paramsDesc="['通过CTF赛事名称过滤', '一个整数，筛选最近的limit场比赛', '比赛形式', '比赛类型']">
+
+| `:class` | 类型                             |
+| :------: | -------------------------------- |
+|    0     | Jeopardy[解题]                   |
+|    1     | Attack with Defense[AwD 攻防]    |
+|    2     | Robo Hacking Game[RHG AI 自动化] |
+|    3     | Real World[RW 真实世界]          |
+|    4     | King of The Hill[KoH 抢占山头]   |
+|    5     | Mix[混合]                        |
+
+> class 以 https://api.ctfhub.com/User_API/Event/getType 的返回结果为准
+
+| `:form` | 形式   |
+| :-----: | ------ |
+|    0    | 线上赛 |
+|    1    | 线下赛 |
+
+</Route>
+
 ## gradCafe
 
 ### gradCafe result

lib/router.js

@@ -2380,6 +2380,9 @@ router.get('/moxingfans', require('./routes/moxingfans'));
 // Chiphell
 router.get('/chiphell/forum/:forumId?', require('./routes/chiphell/forum'));
 
+// CTFHub Event Calendar
+router.get('/ctfhub/calendar/:limit?/:form?/:class?/:title?', require('./routes/ctfhub'));
+
 // 模型网
 router.get('/moxingnet', require('./routes/moxingnet'));
 

lib/routes/ctfhub/index.js

@@ -0,0 +1,61 @@
+const got = require('@/utils/got');
+
+module.exports = async (ctx) => {
+    const host = 'https://api.ctfhub.com';
+    const opt = { like: {} };
+    for (const i of ['title', 'form', 'class']) {
+        if (ctx.params[i] !== undefined) {
+            opt.like[i] = ctx.params[i];
+        }
+    }
+
+    if (opt.like.class !== undefined) {
+        const types = await got
+            .post(`${host}/User_API/Event/getType`, {
+                headers: {
+                    'content-type': 'application/json',
+                },
+                body: '{}',
+            })
+            .json();
+        opt.like.class = types.data[opt.like.class];
+    }
+    if (opt.like.form !== undefined) {
+        opt.like.form = ['线上', '线下'][Number.parseInt(opt.like.form)];
+    }
+
+    if (Object.keys(opt.like).length === 0) {
+        delete opt.like;
+    }
+
+    opt.offset = 0;
+    opt.limit = Number.parseInt(ctx.params.limit) || 10;
+
+    const response = await got
+        .post(`${host}/User_API/Event/getAll`, {
+            headers: {
+                'content-type': 'application/json',
+            },
+            body: JSON.stringify(opt),
+        })
+        .json();
+
+    if (response.status !== true) {
+        return;
+    }
+    const data = response.data;
+
+    ctx.state.data = {
+        title: 'CTFHub Calendar',
+        link: 'https://www.ctfhub.com/#/calendar',
+        description: '提供全网最全最新的 CTF 赛事信息，关注赛事定制自己专属的比赛日历吧。',
+        item: data.items.map(function(item) {
+            return {
+                title: item.title,
+                description: '',
+                pubDate: item.start_time,
+                link: item.official_url,
+            };
+        }),
+    };
+};