From 52f57f8ac5f2ce550629e1c94b2fbc8d18a23095 Mon Sep 17 00:00:00 2001
From: Tom <tsmith123@users.noreply.github.com>
Date: Tue, 28 May 2024 14:18:32 +0100
Subject: [PATCH] Embed Rumble Video (#1191)

* Render Rumble video in preview and posts

* Display Rumble video

* Remove workspace

* Add util function

* Use searchParam for id

* Update check for Rumble

* Update youtube match strings

* fix hostname conditions

---------

Co-authored-by: keyan <keyan.kousha+huumn@gmail.com>
---
 components/item-full.js    | 28 +++++++++++++++++++++------
 components/text.js         | 36 ++++++++++++++++++++++++++++-------
 components/text.module.css |  4 ++--
 lib/url.js                 | 39 ++++++++++++++++++++++++++++++++++++++
 middleware.js              |  2 +-
 styles/item.module.css     | 16 ++++++++--------
 6 files changed, 101 insertions(+), 24 deletions(-)

diff --git a/components/item-full.js b/components/item-full.js
index 0b440c94..222fce63 100644
--- a/components/item-full.js
+++ b/components/item-full.js
@@ -22,7 +22,7 @@ import Share from './share'
 import Toc from './table-of-contents'
 import Link from 'next/link'
 import { RootProvider } from './root'
-import { IMGPROXY_URL_REGEXP } from '@/lib/url'
+import { IMGPROXY_URL_REGEXP, parseEmbedUrl } from '@/lib/url'
 import { numWithUnits } from '@/lib/format'
 import { useQuoteReply } from './use-quote-reply'
 import { UNKNOWN_LINK_REL } from '@/lib/constants'
@@ -70,6 +70,7 @@ function ItemEmbed ({ item }) {
   const [overflowing, setOverflowing] = useState(false)
   const [show, setShow] = useState(false)
 
+  // This Twitter embed could use similar logic to the video embeds below
   const twitter = item.url?.match(/^https?:\/\/(?:twitter|x)\.com\/(?:#!\/)?\w+\/status(?:es)?\/(?<id>\d+)/)
   if (twitter?.groups?.id) {
     return (
@@ -83,14 +84,15 @@ function ItemEmbed ({ item }) {
     )
   }
 
-  const youtube = item.url?.match(/(https?:\/\/)?((www\.)?(youtube(-nocookie)?|youtube.googleapis)\.com.*(v\/|v=|vi=|vi\/|e\/|embed\/|user\/.*\/u\/\d+\/)|youtu\.be\/)(?<id>[_0-9a-z-]+)((?:\?|&)(?:t|start)=(?<start>\d+))?/i)
-  if (youtube?.groups?.id) {
+  const { provider, id, meta } = parseEmbedUrl(item.url)
+
+  if (provider === 'youtube') {
     return (
-      <div className={styles.youtubeContainerContainer}>
+      <div className={styles.videoWrapper}>
         <YouTube
-          videoId={youtube.groups.id} className={styles.youtubeContainer} opts={{
+          videoId={id} className={styles.videoContainer} opts={{
             playerVars: {
-              start: youtube?.groups?.start
+              start: meta?.start || 0
             }
           }}
         />
@@ -98,6 +100,20 @@ function ItemEmbed ({ item }) {
     )
   }
 
+  if (provider === 'rumble') {
+    return (
+      <div className={styles.videoWrapper}>
+        <div className={styles.videoContainer}>
+          <iframe
+            title='Rumble Video'
+            allowFullScreen=''
+            src={meta?.href}
+          />
+        </div>
+      </div>
+    )
+  }
+
   if (item.url?.match(IMGPROXY_URL_REGEXP)) {
     return <ZoomableImage src={item.url} rel={item.rel ?? UNKNOWN_LINK_REL} />
   }
diff --git a/components/text.js b/components/text.js
index 1dc9d445..75b2e3cc 100644
--- a/components/text.js
+++ b/components/text.js
@@ -13,7 +13,7 @@ import Thumb from '@/svgs/thumb-up-fill.svg'
 import { toString } from 'mdast-util-to-string'
 import copy from 'clipboard-copy'
 import ZoomableImage, { decodeOriginalUrl } from './image'
-import { IMGPROXY_URL_REGEXP, parseInternalLinks } from '@/lib/url'
+import { IMGPROXY_URL_REGEXP, parseInternalLinks, parseEmbedUrl } from '@/lib/url'
 import reactStringReplace from 'react-string-replace'
 import { rehypeInlineCodeProperty } from '@/lib/md'
 import { Button } from 'react-bootstrap'
@@ -238,15 +238,22 @@ export default memo(function Text ({ rel, imgproxyUrls, children, tab, itemId, o
               // ignore errors like invalid URLs
             }
 
-            // if the link is to a youtube video, render the video
-            const youtube = href.match(/(https?:\/\/)?((www\.)?(youtube(-nocookie)?|youtube.googleapis)\.com.*(v\/|v=|vi=|vi\/|e\/|embed\/|user\/.*\/u\/\d+\/)|youtu\.be\/)(?<id>[_0-9a-z-]+)((?:\?|&)(?:t|start)=(?<start>\d+))?/i)
-            if (youtube?.groups?.id) {
+            const videoWrapperStyles = {
+              maxWidth: topLevel ? '640px' : '320px',
+              margin: '0.5rem 0',
+              paddingRight: '15px'
+            }
+
+            const { provider, id, meta } = parseEmbedUrl(href)
+
+            // Youtube video embed
+            if (provider === 'youtube') {
               return (
-                <div style={{ maxWidth: topLevel ? '640px' : '320px', paddingRight: '15px', margin: '0.5rem 0' }}>
+                <div style={videoWrapperStyles}>
                   <YouTube
-                    videoId={youtube.groups.id} className={styles.youtubeContainer} opts={{
+                    videoId={id} className={styles.videoContainer} opts={{
                       playerVars: {
-                        start: youtube?.groups?.start
+                        start: meta?.start || 0
                       }
                     }}
                   />
@@ -254,6 +261,21 @@ export default memo(function Text ({ rel, imgproxyUrls, children, tab, itemId, o
               )
             }
 
+            // Rumble video embed
+            if (provider === 'rumble') {
+              return (
+                <div style={videoWrapperStyles}>
+                  <div className={styles.videoContainer}>
+                    <iframe
+                      title='Rumble Video'
+                      allowFullScreen=''
+                      src={meta?.href}
+                    />
+                  </div>
+                </div>
+              )
+            }
+
             // assume the link is an image which will fallback to link if it's not
             return <Img src={href} rel={rel ?? UNKNOWN_LINK_REL} {...props}>{children}</Img>
           },
diff --git a/components/text.module.css b/components/text.module.css
index 9ffc0ea4..1dacf900 100644
--- a/components/text.module.css
+++ b/components/text.module.css
@@ -237,7 +237,7 @@ img.fullScreen {
     font-size: .85rem;
 }
 
-.youtubeContainer {
+.videoContainer {
     position: relative;
     width: 100%;
     height: 0;
@@ -245,7 +245,7 @@ img.fullScreen {
     overflow: hidden;
 }
 
-.youtubeContainer iframe {
+.videoContainer iframe {
     width: 100%;
     height: 100%;
     position: absolute;
diff --git a/lib/url.js b/lib/url.js
index 14f86af1..2ba7d2a4 100644
--- a/lib/url.js
+++ b/lib/url.js
@@ -52,6 +52,45 @@ export function parseInternalLinks (href) {
   }
 }
 
+export function parseEmbedUrl (href) {
+  const { hostname, pathname, searchParams } = new URL(href)
+
+  if (hostname.endsWith('youtube.com') && pathname.includes('/watch')) {
+    return {
+      provider: 'youtube',
+      id: searchParams.get('v'),
+      meta: {
+        href,
+        start: searchParams.get('t')
+      }
+    }
+  }
+
+  if (hostname.endsWith('youtu.be') && pathname.length > 1) {
+    return {
+      provider: 'youtube',
+      id: pathname.slice(1), // remove leading slash
+      meta: {
+        href,
+        start: searchParams.get('t')
+      }
+    }
+  }
+
+  if (hostname.endsWith('rumble.com') && pathname.includes('/embed')) {
+    return {
+      provider: 'rumble',
+      id: null, // not required
+      meta: {
+        href
+      }
+    }
+  }
+
+  // Important to return empty object as default
+  return {}
+}
+
 export function stripTrailingSlash (uri) {
   return uri.endsWith('/') ? uri.slice(0, -1) : uri
 }
diff --git a/middleware.js b/middleware.js
index 6698bcb0..833711d1 100644
--- a/middleware.js
+++ b/middleware.js
@@ -42,7 +42,7 @@ export function middleware (request) {
     // unsafe-inline for styles is not ideal but okay if script-src is using nonces
     "style-src 'self' a.stacker.news 'unsafe-inline'",
     "manifest-src 'self'",
-    'frame-src www.youtube.com platform.twitter.com',
+    'frame-src www.youtube.com platform.twitter.com rumble.com',
     "connect-src 'self' https: wss:" + devSrc,
     // disable dangerous plugins like Flash
     "object-src 'none'",
diff --git a/styles/item.module.css b/styles/item.module.css
index 1dc835df..d7c6ad72 100644
--- a/styles/item.module.css
+++ b/styles/item.module.css
@@ -15,7 +15,12 @@
     }
 }
 
-.youtubeContainer {
+.videoWrapper {
+    max-width: 640px;
+    padding-right: 15px;
+}
+
+.videoContainer {
     position: relative;
     width: 100%;
     height: 0;
@@ -23,7 +28,7 @@
     overflow: hidden;
 }
 
-.youtubeContainer iframe {
+.videoContainer iframe {
     width: 100%;
     height: 100%;
     position: absolute;
@@ -36,16 +41,11 @@
     position: relative;
 }
 
-.youtubeContainerContainer {
-    max-width: 640px;
-    padding-right: 15px;
-}
-
 .twitterContainer:not(:first-child) {
     margin-top: .75rem;
 }
 
-.youtubeContainerContainer:not(:first-child) {
+.videoWrapper:not(:first-child) {
     margin-top: .75rem;
 }