Ensure link thumbnails are not stretched to super low quality (#5932)

app/javascript/mastodon/features/status/components/card.js

@@ -59,6 +59,8 @@ export default class Card extends React.PureComponent {
 
   renderLink () {
     const { card, maxDescription } = this.props;
+    const { width }  = this.state;
+    const horizontal = card.get('width') > card.get('height') && (card.get('width') + 100 >= width);
 
     let image    = '';
     let provider = card.get('provider_name');
@@ -75,17 +77,15 @@ export default class Card extends React.PureComponent {
       provider = decodeIDNA(getHostname(card.get('url')));
     }
 
-    const className = classnames('status-card', {
-      'horizontal': card.get('width') > card.get('height'),
-    });
+    const className = classnames('status-card', { horizontal });
 
     return (
-      <a href={card.get('url')} className={className} target='_blank' rel='noopener'>
+      <a href={card.get('url')} className={className} target='_blank' rel='noopener' ref={this.setRef}>
         {image}
 
         <div className='status-card__content'>
           <strong className='status-card__title' title={card.get('title')}>{card.get('title')}</strong>
-          <p className='status-card__description'>{(card.get('description') || '').substring(0, maxDescription)}</p>
+          {!horizontal && <p className='status-card__description'>{(card.get('description') || '').substring(0, maxDescription)}</p>}
           <span className='status-card__host'>{provider}</span>
         </div>
       </a>

app/javascript/styles/mastodon/components.scss

@@ -2273,14 +2273,19 @@ button.icon-button.active i.fa-retweet {
   .status-card__image-image {
     border-radius: 4px 4px 0 0;
   }
+
+  .status-card__title {
+    white-space: inherit;
+  }
 }
 
 .status-card__image-image {
   border-radius: 4px 0 0 4px;
   display: block;
-  height: auto;
   margin: 0;
   width: 100%;
+  height: 100%;
+  object-fit: cover;
 }
 
 .load-more {

app/models/preview_card.rb

@@ -33,7 +33,7 @@ class PreviewCard < ApplicationRecord
 
   has_and_belongs_to_many :statuses
 
-  has_attached_file :image, styles: { original: '280x280>' }, convert_options: { all: '-quality 80 -strip' }
+  has_attached_file :image, styles: { original: '400x400>' }, convert_options: { all: '-quality 80 -strip' }
 
   include Attachmentable
   include Remotable