1 files changed, 29 insertions, 7 deletions
diff --git a/app/policies/custom_emoji_policy.rb b/app/policies/custom_emoji_policy.rb
index a8c3cbc73..7e585a3d6 100644
--- a/app/policies/custom_emoji_policy.rb
+++ b/app/policies/custom_emoji_policy.rb
@@ -2,30 +2,52 @@
 
 class CustomEmojiPolicy < ApplicationPolicy
   def index?
-    staff?
+    user_signed_in?
   end
 
   def create?
-    admin?
+    user_signed_in?
   end
 
   def update?
-    admin?
+    user_signed_in? && owned?
   end
 
   def copy?
-    admin?
+    staff? || (user_signed_in? && new_or_owned?)
   end
 
   def enable?
-    staff?
+    user_signed_in? && owned?
   end
 
   def disable?
-    staff?
+    user_signed_in? && owned?
   end
 
   def destroy?
-    admin?
+    user_signed_in? && owned?
+  end
+
+  def claim?
+    staff? || claimable?
+  end
+
+  def unclaim?
+    user_signed_in? && owned?
+  end
+
+  private
+
+  def owned?
+    staff? || (current_account.present? && record.account_id == current_account.id)
+  end
+
+  def new_or_owned?
+    !CustomEmoji.where(domain: nil, shortcode: record.shortcode).where('account_id IS NULL OR account_id != ?', current_account.id).exists?
+  end
+
+  def claimable?
+    record.local? ? record.account_id.blank? || record.account_id == current_account.id : new_or_owned?
   end
 end