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Fix sanitizer making block level elements unreadable (#10836)

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Fix #10834
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Eugen Rochko 2019-06-16 21:46:36 +02:00 • committed by GitHub
parent 65efe892cf
commit 103a9f4466
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2 changed files with 41 additions and 0 deletions
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15
app/lib/sanitize_config.rb
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@ -19,6 +19,20 @@ class Sanitize
node['class'] = class_list.join(' ')
end
UNSUPPORTED_ELEMENTS_TRANSFORMER = lambda do |env|
return unless %w(h1 h2 h3 h4 h5 h6 blockquote pre ul ol li).include?(env[:node_name])
case env[:node_name]
when 'li'
env[:node].traverse do |node|
node.add_next_sibling('<br>') if node.next_sibling
node.replace(node.children) unless node.text?
end
else
env[:node].name = 'p'
end
end
MASTODON_STRICT ||= freeze_config(
elements: %w(p br span a),
@ -40,6 +54,7 @@ class Sanitize
transformers: [
CLASS_WHITELIST_TRANSFORMER,
UNSUPPORTED_ELEMENTS_TRANSFORMER,
]
)