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author | Claire <claire.github-309c@sitedethib.com> | 2021-03-19 13:57:15 +0100 |
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committer | Claire <claire.github-309c@sitedethib.com> | 2021-03-19 13:57:15 +0100 |
commit | 3ad6ef72cb3a02135a0f395a8a46323e86c4b334 (patch) | |
tree | ff1f1d15a80f5420c52afd4d975b44c0afe1194e /app/lib/sanitize_config.rb | |
parent | ba22398c38067e05f141a0dddeb20bf68913988a (diff) | |
parent | 741d0952b174740e70a09fe6db6862624dfe1e44 (diff) |
Merge branch 'main' into glitch-soc/merge-upstream
Diffstat (limited to 'app/lib/sanitize_config.rb')
-rw-r--r-- | app/lib/sanitize_config.rb | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/app/lib/sanitize_config.rb b/app/lib/sanitize_config.rb deleted file mode 100644 index ecaec2f84..000000000 --- a/app/lib/sanitize_config.rb +++ /dev/null @@ -1,139 +0,0 @@ -# frozen_string_literal: true - -class Sanitize - module Config - HTTP_PROTOCOLS = %w( - http - https - ).freeze - - LINK_PROTOCOLS = %w( - http - https - dat - dweb - ipfs - ipns - ssb - gopher - xmpp - magnet - gemini - ).freeze - - CLASS_WHITELIST_TRANSFORMER = lambda do |env| - node = env[:node] - class_list = node['class']&.split(/[\t\n\f\r ]/) - - return unless class_list - - class_list.keep_if do |e| - next true if /^(h|p|u|dt|e)-/.match?(e) # microformats classes - next true if /^(mention|hashtag)$/.match?(e) # semantic classes - next true if /^(ellipsis|invisible)$/.match?(e) # link formatting classes - end - - node['class'] = class_list.join(' ') - end - - IMG_TAG_TRANSFORMER = lambda do |env| - node = env[:node] - - return unless env[:node_name] == 'img' - - node.name = 'a' - - node['href'] = node['src'] - if node['alt'].present? - node.content = "[🖼 #{node['alt']}]" - else - url = node['href'] - prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s - text = url[prefix.length, 30] - text = text + "…" if url[prefix.length..-1].length > 30 - node.content = "[🖼 #{text}]" - end - end - - LINK_REL_TRANSFORMER = lambda do |env| - return unless env[:node_name] == 'a' and env[:node]['href'] - - node = env[:node] - - rel = (node['rel'] || '').split(' ') & ['tag'] - unless env[:config][:outgoing] && TagManager.instance.local_url?(node['href']) - rel += ['nofollow', 'noopener', 'noreferrer'] - end - node['rel'] = rel.join(' ') - end - - UNSUPPORTED_HREF_TRANSFORMER = lambda do |env| - return unless env[:node_name] == 'a' - - current_node = env[:node] - - scheme = begin - if current_node['href'] =~ Sanitize::REGEX_PROTOCOL - Regexp.last_match(1).downcase - else - :relative - end - end - - current_node.replace(current_node.text) unless LINK_PROTOCOLS.include?(scheme) - end - - MASTODON_STRICT ||= freeze_config( - elements: %w(p br span a abbr del pre blockquote code b strong u sub sup i em h1 h2 h3 h4 h5 ul ol li), - - attributes: { - 'a' => %w(href rel class title), - 'span' => %w(class), - 'abbr' => %w(title), - 'blockquote' => %w(cite), - 'ol' => %w(start reversed), - 'li' => %w(value), - }, - - add_attributes: { - 'a' => { - 'target' => '_blank', - }, - }, - - protocols: { - 'a' => { 'href' => LINK_PROTOCOLS }, - 'blockquote' => { 'cite' => LINK_PROTOCOLS }, - }, - - transformers: [ - CLASS_WHITELIST_TRANSFORMER, - IMG_TAG_TRANSFORMER, - UNSUPPORTED_HREF_TRANSFORMER, - LINK_REL_TRANSFORMER, - ] - ) - - MASTODON_OEMBED ||= freeze_config merge( - RELAXED, - elements: RELAXED[:elements] + %w(audio embed iframe source video), - - attributes: merge( - RELAXED[:attributes], - 'audio' => %w(controls), - 'embed' => %w(height src type width), - 'iframe' => %w(allowfullscreen frameborder height scrolling src width), - 'source' => %w(src type), - 'video' => %w(controls height loop width), - 'div' => [:data] - ), - - protocols: merge( - RELAXED[:protocols], - 'embed' => { 'src' => HTTP_PROTOCOLS }, - 'iframe' => { 'src' => HTTP_PROTOCOLS }, - 'source' => { 'src' => HTTP_PROTOCOLS } - ) - ) - end -end |