Fix #1141, fix #1126 - Avatar/profile info fetching (#1215)

* Fix #1141, fix #1126 - Work through UpdateRemoteProfileService for both <feed> and <entry> top-level tags

* Improve code quality, remove line unrelated to fix

1 files changed, 19 insertions, 4 deletions

diff --git a/app/services/update_remote_profile_service.rb b/app/services/update_remote_profile_service.rb
index 74baa1cc5..8f0d5d4b3 100644
--- a/app/services/update_remote_profile_service.rb
+++ b/app/services/update_remote_profile_service.rb
@@ -1,7 +1,12 @@
 # frozen_string_literal: true
 
 class UpdateRemoteProfileService < BaseService
-  def call(xml, account, resubscribe = false)
+  def call(body, account, resubscribe = false)
+    xml = Nokogiri::XML(body)
+    xml.encoding = 'utf-8'
+
+    xml = xml.at_xpath('/xmlns:feed', xmlns: TagManager::XMLNS) || xml.at_xpath('/xmlns:entry', xmlns: TagManager::XMLNS)
+
     return if xml.nil?
 
     author_xml = xml.at_xpath('./xmlns:author', xmlns: TagManager::XMLNS) || xml.at_xpath('./dfrn:owner', dfrn: TagManager::DFRN_XMLNS)
@@ -12,9 +17,9 @@ class UpdateRemoteProfileService < BaseService
       account.note         = author_xml.at_xpath('./poco:note', poco: TagManager::POCO_XMLNS).content unless author_xml.at_xpath('./poco:note', poco: TagManager::POCO_XMLNS).nil?
       account.locked       = author_xml.at_xpath('./mastodon:scope', mastodon: TagManager::MTDN_XMLNS)&.content == 'private'
 
-      unless account.suspended? || DomainBlock.find_by(domain: account.domain)&.reject_media?
-        account.avatar_remote_url = author_xml.at_xpath('./xmlns:link[@rel="avatar"]', xmlns: TagManager::XMLNS)['href'] unless author_xml.at_xpath('./xmlns:link[@rel="avatar"]', xmlns: TagManager::XMLNS).nil? || author_xml.at_xpath('./xmlns:link[@rel="avatar"]', xmlns: TagManager::XMLNS)['href'].blank?
-        account.header_remote_url = author_xml.at_xpath('./xmlns:link[@rel="header"]', xmlns: TagManager::XMLNS)['href'] unless author_xml.at_xpath('./xmlns:link[@rel="header"]', xmlns: TagManager::XMLNS).nil? || author_xml.at_xpath('./xmlns:link[@rel="header"]', xmlns: TagManager::XMLNS)['href'].blank?
+      if !account.suspended? && !DomainBlock.find_by(domain: account.domain)&.reject_media?
+        account.avatar_remote_url = link_href_from_xml(author_xml, 'avatar') if link_has_href?(author_xml, 'avatar')
+        account.header_remote_url = link_href_from_xml(author_xml, 'header') if link_has_href?(author_xml, 'header')
       end
     end
 
@@ -25,4 +30,14 @@ class UpdateRemoteProfileService < BaseService
 
     SubscribeService.new.call(account) if resubscribe && (account.hub_url != old_hub_url)
   end
+
+  private
+
+  def link_href_from_xml(xml, type)
+    xml.at_xpath('./xmlns:link[@rel="' + type + '"]', xmlns: TagManager::XMLNS)['href']
+  end
+
+  def link_has_href?(xml, type)
+    !(xml.at_xpath('./xmlns:link[@rel="' + type + '"]', xmlns: TagManager::XMLNS).nil? || xml.at_xpath('./xmlns:link[@rel="' + type + '"]', xmlns: TagManager::XMLNS)['href'].blank?)
+  end
 end