discord_embed: Finished initial version of discord_embed

discord_embed/.npmrc

@@ -0,0 +1 @@
+package-lock=false

discord_embed/api/id.mjs

@@ -12,7 +12,7 @@
  **/
 
 const AlphabeticID = {
-  index:'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+  index:'WzPmtXQhwGnOiB8Vvu9fC1SL2l4F7MrUNc0RbD6dAayI3YTosejpZxJH5KqgEk', // abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ
 
   /**
    *  [@function](https://twitter.com/function) AlphabeticID.encode

discord_embed/api/post.mjs

@@ -1,11 +1,13 @@
-import { uploadMedia } from '../base/media/upload.mjs'
+import { uploadMedia, deleteFile } from '../base/media/upload.mjs'
 import config from '../base/config.mjs'
+import AlphabeticID from './id.mjs'
 
 export default class IndexPost {
   constructor(opts = {}) {
     Object.assign(this, {
       frontend: opts.frontend,
       uploadMedia: uploadMedia,
+      deleteFile: deleteFile,
     })
   }
 
@@ -44,12 +46,41 @@ export default class IndexPost {
     }
   }
 
-  /** PUT: /api/auth/articles/:id */
-  async createNewLink(ctx) {
-    let hasMedia = ctx.req.files.media && ctx.req.files.media.size
+  async getLink(ctx) {
     
+    return this.serve.serveIndex(ctx)
+  }
+
+  /** POST: / */
+  async createNewLink(ctx) {
     ctx.state.video = ctx.req.body.video
     ctx.state.image = ctx.req.body.image
+
+    let rateLimited = false
+    let redisKey = 'ratelimit_' + ctx.req.ip.replace(/:/g, '-')
+
+    try {
+      let val = (await ctx.redis.get(redisKey))
+      console.log(redisKey, val)
+      val = val && Number(val) || 0
+      if (val > 3) {
+        rateLimited = true
+      } else if (val > 2) {
+        await ctx.redis.setex(redisKey, 60 * 15, val + 1)
+        rateLimited = true
+      } else {
+        await ctx.redis.setex(redisKey, 15, val + 1)
+      }
+    } catch (err) {
+      ctx.log.error(err, 'Error checking rate limit for ' + redisKey)
+    }
+
+    if (rateLimited) {
+      ctx.state.error = 'You have reached rate limit. Please wait at least 15 minutes.'
+      return this.serve.serveIndex(ctx)
+    }
+
+    let hasMedia = ctx.req.files.media && ctx.req.files.media.size
     let redirect = ''
     let error = this.hasErrors(ctx, hasMedia)
 
@@ -57,6 +88,10 @@ export default class IndexPost {
       try {
         let temp = await this.uploadMedia(ctx.req.files.media)
         ctx.state.image = ctx.req.body.image = 'https://cdn.nfp.is' + temp.sizes.small.jpeg.path
+
+        await this.deleteFile(temp.filename).catch(err => {
+          ctx.log.error(err, 'Error removing ' + temp.filename)
+        })
       }
       catch (err) {
         ctx.log.error(err)
@@ -70,9 +105,13 @@ export default class IndexPost {
     if (!error) {
       try {
         let params = [
+          ctx.state.video,
+          ctx.state.image,
+          ctx.req.ip,
         ]
         let res = await ctx.db.safeCallProc('discord_embed.link_add', params)
-        console.log(res)
+        let id = AlphabeticID.encode(res.first[0].id + 3843)
+        redirect = `${this.frontend}/${id}`
       }
       catch (err) {
         ctx.log.error(err)

discord_embed/api/serve.mjs

@@ -4,6 +4,7 @@ import fs from 'fs/promises'
 import fsSync from 'fs'
 import dot from 'dot'
 import config from '../base/config.mjs'
+import AlphabeticID from './id.mjs'
 
 export default class ServeHandler extends Parent {
   loadTemplate(indexFile) {
@@ -27,12 +28,31 @@ export default class ServeHandler extends Parent {
       this.loadTemplate(indexFile)
     }
 
+    let videoLink = ctx.query.get('v') || ''
+    let imageLink = ctx.query.get('i') || ''
+
+    if (ctx.url.match(/^\/[a-zA-Z0-9][a-zA-Z0-9][a-zA-Z0-9]+$/)) {
+      try {
+        let id = AlphabeticID.decode(ctx.url.slice(1))
+        if (id) {
+          let res = await ctx.db.safeCallProc('discord_embed.link_get', [id - 3843])
+          if (res.first.length) {
+            videoLink = res.first[0].video_link
+            imageLink = res.first[0].image_link
+          }
+        }
+      } catch (err) {
+        ctx.log.error(err)
+        ctx.state.error = 'Unknown error while fetching link.'
+      }
+    }
+
     let payload = {
-      imageLink: ctx.query.get('i') || '',
-      videoLink: ctx.query.get('v') || '',
+      videoLink: videoLink,
+      imageLink: imageLink,
       error: ctx.state.error || '',
-      inputVideo: ctx.state.video || ctx.query.get('v') || '',
-      inputImage: ctx.state.image || ctx.query.get('i') || '',
+      inputVideo: ctx.state.video || videoLink || '',
+      inputImage: ctx.state.image || imageLink || '',
       siteUrl: this.frontend + ctx.url,
       siteUrlBase: this.frontend + '/',
       version: this.version,

discord_embed/api/server.mjs

@@ -1,3 +1,4 @@
+import Redis from 'ioredis'
 import config from '../base/config.mjs'
 import Parent from '../base/server.mjs'
 import IndexPost from './post.mjs'
@@ -8,6 +9,12 @@ export default class Server extends Parent {
     super.init()
     let localUtil = new this.core.sc.Util(import.meta.url)
 
+    this.flaskaOptions.appendHeaders['Content-Security-Policy'] = `default-src 'self'; script-src 'self' 'nonce-0d1valZOnjp8ZpR6vBd4dg=='; style-src 'self' 'unsafe-inline'; img-src * data: blob:; media-src *; font-src 'self' data:; object-src 'none'; frame-ancestors 'none'`
+    this.flaskaOptions.appendHeaders['Cross-Origin-Embedder-Policy'] = 'unsafe-none'
+    this.redis = new Redis(config.get('redis'))
+    this.redis.on('error', (err) => {
+      this.core.log.error(err)
+    })
     this.routes = {
       post: new IndexPost({
         frontend: config.get('frontend:url'),
@@ -19,4 +26,13 @@ export default class Server extends Parent {
       frontend: config.get('frontend:url'),
     })
   }
+
+  runCreateServer() {
+    super.runCreateServer()
+    
+
+    this.flaska.before((ctx) => {
+      ctx.redis = this.redis
+    })
+  }
 }

discord_embed/package.json

@@ -35,6 +35,7 @@
   },
   "homepage": "https://git.nfp.is/nfp/nfp_sites",
   "dependencies": {
+    "bunyan-lite": "^1.2.1",
     "dot": "^2.0.0-beta.1",
     "flaska": "^1.3.0",
     "formidable": "^1.2.6",

discord_embed/public/index.html

@@ -47,6 +47,7 @@ body {
   text-rendering: optimizeSpeed;
   line-height: 1.5;
   font-size: 16px;
+  padding: 1rem 0.5rem;
   font-family: sans-serif;
   background: var(--bg);
   color: var(--color);
@@ -57,16 +58,16 @@ input, button, textarea, select {
 }
 
 h1 {
-  font-size: 2.488rem;
+  font-size: 1.88rem;
 }
 h2 {
-  font-size: 2.074rem;
+  font-size: 1.66rem;
 }
 h3 {
-  font-size: 1.728rem;
+  font-size: 1.44rem;
 }
 h4 {
-  font-size: 1.44rem;
+  font-size: 1.22rem;
 }
 h5 {
   font-size: 1.0rem;
@@ -123,6 +124,8 @@ input[type=submit] {
 pre {
   background: var(--bg-content-alt);
   padding: 0.5rem;
+  white-space: break-spaces;
+  word-break: break-all;
 }
 
 .row {
@@ -150,6 +153,15 @@ pre {
   padding: 1rem 1rem 0;
 }
 
+.center {
+  text-align: center;
+}
+
+video {
+  max-width: calc(100vw - 2rem);
+  max-height: calc(100vh - 140px);
+}
+
 .inside {
   width: 100%;
   max-width: var(--content-max-width);
@@ -162,15 +174,24 @@ pre {
   </style>
 </head>
 <body>
+  {{ if (videoLink && imageLink) { }}
+    <p>Your link is:</p>
+    <pre>{{=siteUrl}}</pre>
+    <div class="center">
+      <video controls poster="{{=imageLink}}">
+        <source src="{{=videoLink}}">
+      </video>
+    </div>
+  {{ } }}
   <form action="/" method="post" enctype="multipart/form-data" class="inside">
     <h1>Create/generate embed url</h1>
     {{ if (error) { }}<p class="error">{{=error}}</p>{{ } }}
     <label>Video link</label>
-    <input type="text" name="video" value="{{=inputVideo}}">
+    <input id="inputVideo" type="text" name="video" value="{{=inputVideo}}">
     <div class="row">
       <div class="row-item">
         <label>Image link (required for proper discord embed)</label>
-        <input type="text" name="image" value="{{=inputImage}}">
+        <input id="inputImage" type="text" name="image" value="{{=inputImage}}">
       </div>
       <span class="row-inbetween">or</span>
       <div class="row-item">
@@ -179,14 +200,41 @@ pre {
       </div>
     </div>
     
-    <input type="submit" value="Generate embed url">
-
-    <p>
-      Alternatively, you can generate a link yourself using the following syntax:
-    </p>
-    <pre>
-      {{=siteUrlBase}}?v=&lt;video link&gt;&amp;i=&lt;image link&gt;
-    </pre>
+    <input type="submit" value="Generate short url">
   </form>
+
+  <p>
+    Alternatively, copy paste the following full url:
+  </p>
+  <pre id="generateurl">
+    {{=siteUrlBase}}?v=&lt;video link&gt;&amp;i=&lt;image link&gt;
+  </pre>
+  <script type="text/javascript" nonce="{{=nonce}}">
+    var baseSite = '{{=siteUrlBase}}';
+    var generateurl = document.getElementById('generateurl');
+    var inputVideo = document.getElementById('inputVideo');
+    var inputImage = document.getElementById('inputImage');
+    var isExample = true;
+
+    function checkChange() {
+      var currentIsExample = true;
+      if (inputVideo.value && inputImage.value) {
+        currentIsExample = false;
+      }
+      if (isExample && currentIsExample) { return; }
+      isExample = currentIsExample;
+      if (isExample) {
+        generateurl.innerText = baseSite + '?v=<video link>&i=<image link>';
+      } else {
+        generateurl.innerText = baseSite + '?v=' + encodeURI(inputVideo.value) + '&i=' + encodeURI(inputImage.value);
+      }
+    };
+
+    inputVideo.addEventListener('change', checkChange);
+    inputImage.addEventListener('change', checkChange);
+    inputVideo.addEventListener('keyup', checkChange);
+    inputImage.addEventListener('keyup', checkChange);
+    checkChange()
+  </script>
 </body>
 </html>