Clean up and improve generated OpenGraph tags (#4901)

- Return all images as og:image
- Return videos as og:image (preview) and og:video
- Return profile:username on profiles

app/helpers/application_helper.rb

@@ -42,4 +42,8 @@ module ApplicationHelper
 
     content_tag(:i, nil, attributes.merge(class: class_names.join(' ')))
   end
+
+  def opengraph(property, content)
+    tag(:meta, content: content, property: property)
+  end
 end

app/serializers/oembed_serializer.rb

@@ -45,7 +45,7 @@ class OEmbedSerializer < ActiveModel::Serializer
       height: height,
     }
 
-    content_tag(:iframe, nil, attributes) + content_tag(:script, nil, src: full_asset_url('embed.js'), async: true)
+    content_tag(:iframe, nil, attributes) + content_tag(:script, nil, src: full_asset_url('embed.js', skip_pipeline: true), async: true)
   end
 
   def width

app/views/accounts/_og.html.haml

@@ -1,8 +1,9 @@
-%meta{ property: 'og:url', content: url }/
+= opengraph 'og:url', url
-%meta{ property: 'og:site_name', content: site_title }/
+= opengraph 'og:site_name', site_title
-%meta{ property: 'og:title', content: [yield(:page_title).strip.presence, site_title].compact.join(' - ') }/
+= opengraph 'og:title', [yield(:page_title).strip.presence, site_title].compact.join(' - ')
-%meta{ property: 'og:description', content: account.note }/
+= opengraph 'og:description', account.note
-%meta{ property: 'og:image', content: full_asset_url(account.avatar.url(:original)) }/
+= opengraph 'og:image', full_asset_url(account.avatar.url(:original))
-%meta{ property: 'og:image:width', content: '120' }/
+= opengraph 'og:image:width', '120'
-%meta{ property: 'og:image:height', content: '120' }/
+= opengraph 'og:image:height', '120'
-%meta{ property: 'twitter:card', content: 'summary' }/
+= opengraph 'twitter:card', 'summary'
+= opengraph 'profile:username', account.local_username_and_domain

app/views/accounts/show.html.haml

@@ -9,7 +9,7 @@
   %link{ rel: 'alternate', type: 'application/atom+xml', href: account_url(@account, format: 'atom') }/
   %link{ rel: 'alternate', type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(@account) }/
 
-  %meta{ property: 'og:type', content: 'profile' }/
+  = opengraph 'og:type', 'profile'
   = render 'og', account: @account, url: short_account_url(@account, only_path: false)
 
 - if show_landing_strip?

app/views/stream_entries/_og_description.html.haml

@@ -1,4 +1,4 @@
 - if activity.is_a?(Status) && activity.spoiler_text?
-  %meta{ property: 'og:description', content: activity.spoiler_text }/
+  = opengraph 'og:description', activity.spoiler_text
 - else
-  %meta{ property: 'og:description', content: activity.content }/
+  = opengraph 'og:description', activity.content

app/views/stream_entries/_og_image.html.haml

@@ -1,6 +1,20 @@
 - if activity.is_a?(Status) && activity.non_sensitive_with_media?
-  %meta{ property: 'og:image', content: full_asset_url(activity.media_attachments.first.file.url(:small)) }/
+  - activity.media_attachments.each do |media|
+    - if media.image?
+      = opengraph 'og:image', full_asset_url(media.file.url(:original))
+      = opengraph 'og:image:type', media.file_content_type
+      = opengraph 'og:image:width', media.file.meta['original']['width']
+      = opengraph 'og:image:height', media.file.meta['original']['height']
+    - elsif media.video?
+      = opengraph 'og:image', full_asset_url(media.file.url(:small))
+      = opengraph 'og:image:type', 'image/png'
+      = opengraph 'og:image:width', media.file.meta['small']['width']
+      = opengraph 'og:image:height', media.file.meta['small']['height']
+      = opengraph 'og:video', full_asset_url(media.file.url(:original))
+      = opengraph 'og:video:type', media.file_content_type
+      = opengraph 'og:video:width', media.file.meta['small']['width']
+      = opengraph 'og:video:height', media.file.meta['small']['height']
 - else
-  %meta{ property: 'og:image', content: full_asset_url(account.avatar.url(:original)) }/
+  = opengraph 'og:image', full_asset_url(account.avatar.url(:original))
-  %meta{ property: 'og:image:width', content: '120' }/
+  = opengraph 'og:image:width', '120'
-  %meta{ property: 'og:image:height', content: '120' }/
+  = opengraph 'og:image:height','120'

app/views/stream_entries/show.html.haml

@@ -6,15 +6,15 @@
   %link{ rel: 'alternate', type: 'application/json+oembed', href: api_oembed_url(url: account_stream_entry_url(@account, @stream_entry), format: 'json') }/
   %link{ rel: 'alternate', type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(@stream_entry.activity) }/
 
-  %meta{ property: 'og:site_name', content: site_title }/
+  = opengraph 'og:site_name', site_title
-  %meta{ property: 'og:type', content: 'article' }/
+  = opengraph 'og:type', 'article'
-  %meta{ property: 'og:title', content: "#{@account.username} on #{site_hostname}" }/
+  = opengraph 'og:title', "#{@account.username} on #{site_hostname}"
-  %meta{ property: 'og:url', content: account_stream_entry_url(@account, @stream_entry) }/
+  = opengraph 'og:url', account_stream_entry_url(@account, @stream_entry)
 
   = render 'stream_entries/og_description', activity: @stream_entry.activity
   = render 'stream_entries/og_image', activity: @stream_entry.activity, account: @account
 
-  %meta{ property: 'twitter:card', content: 'summary' }/
+  = opengraph 'twitter:card', 'summary_large_image'
 
 - if show_landing_strip?
   = render partial: 'shared/landing_strip', locals: { account: @stream_entry.account }

spec/views/stream_entries/show.html.haml_spec.rb

@@ -80,9 +80,9 @@ describe 'stream_entries/show.html.haml', without_verify_partial_doubles: true d
 
     header_tags = view.content_for(:header_tags)
 
-    expect(header_tags).to match(%r{<meta content='.+' property='og:title'>})
+    expect(header_tags).to match(%r{<meta content=".+" property="og:title" />})
-    expect(header_tags).to match(%r{<meta content='article' property='og:type'>})
+    expect(header_tags).to match(%r{<meta content="article" property="og:type" />})
-    expect(header_tags).to match(%r{<meta content='.+' property='og:image'>})
+    expect(header_tags).to match(%r{<meta content=".+" property="og:image" />})
-    expect(header_tags).to match(%r{<meta content='http://.+' property='og:url'>})
+    expect(header_tags).to match(%r{<meta content="http://.+" property="og:url" />})
   end
 end