lib/redmine/wiki_formatting/common_mark/fixup_auto_links_filter.rb
# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006- Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module Redmine
module WikiFormatting
module CommonMark
# fixes:
# - autolinked email addresses that are actually references to users:
# user:<a href="mailto:user@example.org">user@example.org</a>
# @<a href="mailto:user@example.org">user@example.org</a>
# - autolinked hi res image names that look like email addresses:
# <a href="mailto:printscreen@2x.png">printscreen@2x.png</a>
class FixupAutoLinksFilter < HTML::Pipeline::Filter
USER_LINK_PREFIX = /(@|user:)\z/
HIRES_IMAGE = /.+@\dx\.(bmp|gif|jpg|jpe|jpeg|png)\z/
def call
doc.search("a").each do |node|
unless (url = node['href']) && url.starts_with?('mailto:')
next
end
if ((p = node.previous) && p.text? &&
p.text =~(USER_LINK_PREFIX)) ||
(node.text =~ HIRES_IMAGE)
node.replace node.text
end
end
doc
end
end
end
end
end