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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2022 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.
require 'loofah/helpers'
module Redmine
module WikiFormatting
module LinksHelper
AUTO_LINK_RE = %r{
( # leading text
<\w+[^>]*?>| # leading HTML tag, or
[\s\(\[,;]| # leading punctuation, or
^ # beginning of line
)
(
(?:https?://)| # protocol spec, or
(?:s?ftps?://)|
(?:www\.) # www.*
)
(
([^<]\S*?) # url
(\/)? # slash
)
((?:>)?|[^[:alnum:]_\=\/;\(\)\-]*?) # post
(?=<|\s|$)
}x unless const_defined?(:AUTO_LINK_RE)
# Destructively replaces urls into clickable links
def auto_link!(text)
text.gsub!(AUTO_LINK_RE) do
all, leading, proto, url, post = $&, $1, $2, $3, $6
if /<a\s/i.match?(leading) || /![<>=]?/.match?(leading)
# don't replace URLs that are already linked
# and URLs prefixed with ! !> !< != (textile images)
all
else
# Idea below : an URL with unbalanced parenthesis and
# ending by ')' is put into external parenthesis
if url[-1] == ")" && ((url.count("(") - url.count(")")) < 0)
url = url[0..-2] # discard closing parenthesis from url
post = ")" + post # add closing parenthesis to post
end
content = proto + url
href = "#{proto=="www."?"http://www.":proto}#{url}"
%(#{leading}<a class="external" href="#{ERB::Util.html_escape href}">#{ERB::Util.html_escape content}</a>#{post}).html_safe
end
end
end
# Destructively replaces email addresses into clickable links
def auto_mailto!(text)
text.gsub!(/([\w\.!#\$%\-+.\/]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do
mail = $1
if /<a\b[^>]*>(.*)(#{Regexp.escape(mail)})(.*)<\/a>/.match?(text)
mail
else
%(<a class="email" href="mailto:#{ERB::Util.html_escape mail}">#{ERB::Util.html_escape mail}</a>).html_safe
end
end
end
def restore_redmine_links(html)
# restore wiki links eg. [[Foo]]
html.gsub!(%r{\[<a href="(.*?)">(.*?)</a>\]}) do
"[[#{$2}]]"
end
# restore Redmine links with double-quotes, eg. version:"1.0"
html.gsub!(/(\w):"(.+?)"/) do
"#{$1}:\"#{$2}\""
end
# restore user links with @ in login name eg. [@jsmith@somenet.foo]
html.gsub!(%r{[@\A]<a(\sclass="email")? href="mailto:(.*?)">(.*?)</a>}) do
"@#{$2}"
end
# restore user links with @ in login name eg. [user:jsmith@somenet.foo]
html.gsub!(%r{\buser:<a(\sclass="email")? href="mailto:(.*?)">(.*?)<\/a>}) do
"user:#{$2}"
end
# restore attachments links with @ in file name eg. [attachment:image@2x.png]
html.gsub!(%r{\battachment:<a(\sclass="email")? href="mailto:(.*?)">(.*?)</a>}) do
"attachment:#{$2}"
end
# restore hires images which are misrecognized as email address eg. [printscreen@2x.png]
html.gsub!(%r{<a(\sclass="email")? href="mailto:[^"]+@\dx\.(bmp|gif|jpg|jpe|jpeg|png)">(.*?)</a>}) do
"#{$3}"
end
html
end
end
end
end
|
