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authorEugen Rochko <eugen@zeonfederated.com>2017-09-19 02:42:40 +0200
committerGitHub <noreply@github.com>2017-09-19 02:42:40 +0200
commit81cec35dbf1b348d23363559e3f4e6b1ec3415c5 (patch)
treed449c3c19a8147bd1bc44fc703a1fccb9b9b894d /app/lib/activitypub
parentc155d843f4d523d52ce4ce67491578385c06fd1b (diff)
Custom emoji (#4988)
* Custom emoji

- In OStatus: `<link rel="emoji" name="coolcat" href="http://..." />`
- In ActivityPub: `{ type: "Emoji", name: ":coolcat:", href: "http://..." }`
- In REST API: Status object includes `emojis` array (`shortcode`, `url`)
- Domain blocks with reject media stop emojis
- Emoji file up to 50KB
- Web UI handles custom emojis
- Static pages render custom emojis as `<img />` tags

Side effects:

- Undo #4500 optimization, as I needed to modify it to restore
  shortcode handling in emojify()
- Formatter#plaintext should now make sure stripped out line-breaks
  and paragraphs are replaced with newlines

* Fix emoji at the start not being converted
Diffstat (limited to 'app/lib/activitypub')
-rw-r--r--app/lib/activitypub/activity/create.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 894759d9a..41f2b0bad 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -61,6 +61,8 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
         process_hashtag tag, status
       when 'Mention'
         process_mention tag, status
+      when 'Emoji'
+        process_emoji tag, status
       end
     end
   end
@@ -79,6 +81,17 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     account.mentions.create(status: status)
   end
 
+  def process_emoji(tag, _status)
+    shortcode = tag['name'].delete(':')
+    emoji     = CustomEmoji.find_by(shortcode: shortcode, domain: @account.domain)
+
+    return if !emoji.nil? || skip_download?
+
+    emoji = CustomEmoji.new(domain: @account.domain, shortcode: shortcode)
+    emoji.image_remote_url = tag['href']
+    emoji.save
+  end
+
   def process_attachments(status)
     return unless @object['attachment'].is_a?(Array)