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0dd9fbb806
git-svn-id: http://svn.redmine.org/redmine/trunk@21253 e93f8b46-1217-0410-a6f0-8f06a7374b81
108 lines
4.4 KiB
Ruby
108 lines
4.4 KiB
Ruby
# frozen_string_literal: true
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# Redmine - project management software
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# Copyright (C) 2006-2021 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'loofah/helpers'
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module Redmine
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module WikiFormatting
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module LinksHelper
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AUTO_LINK_RE = %r{
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( # leading text
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<\w+[^>]*?>| # leading HTML tag, or
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[\s\(\[,;]| # leading punctuation, or
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^ # beginning of line
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)
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(
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(?:https?://)| # protocol spec, or
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(?:s?ftps?://)|
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(?:www\.) # www.*
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)
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(
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([^<]\S*?) # url
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(\/)? # slash
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)
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((?:>)?|[^[:alnum:]_\=\/;\(\)\-]*?) # post
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(?=<|\s|$)
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}x unless const_defined?(:AUTO_LINK_RE)
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# Destructively replaces urls into clickable links
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def auto_link!(text)
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text.gsub!(AUTO_LINK_RE) do
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all, leading, proto, url, post = $&, $1, $2, $3, $6
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if /<a\s/i.match?(leading) || /![<>=]?/.match?(leading)
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# don't replace URLs that are already linked
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# and URLs prefixed with ! !> !< != (textile images)
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all
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else
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# Idea below : an URL with unbalanced parenthesis and
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# ending by ')' is put into external parenthesis
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if url[-1] == ")" && ((url.count("(") - url.count(")")) < 0)
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url = url[0..-2] # discard closing parenthesis from url
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post = ")" + post # add closing parenthesis to post
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end
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content = proto + url
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href = "#{proto=="www."?"http://www.":proto}#{url}"
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%(#{leading}<a class="external" href="#{ERB::Util.html_escape href}">#{ERB::Util.html_escape content}</a>#{post}).html_safe
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end
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end
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end
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# Destructively replaces email addresses into clickable links
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def auto_mailto!(text)
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text.gsub!(/([\w\.!#\$%\-+.\/]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do
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mail = $1
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if /<a\b[^>]*>(.*)(#{Regexp.escape(mail)})(.*)<\/a>/.match?(text)
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mail
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else
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%(<a class="email" href="mailto:#{ERB::Util.html_escape mail}">#{ERB::Util.html_escape mail}</a>).html_safe
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end
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end
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end
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def restore_redmine_links(html)
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# restore wiki links eg. [[Foo]]
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html.gsub!(%r{\[<a href="(.*?)">(.*?)</a>\]}) do
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"[[#{$2}]]"
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end
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# restore Redmine links with double-quotes, eg. version:"1.0"
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html.gsub!(/(\w):"(.+?)"/) do
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"#{$1}:\"#{$2}\""
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end
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# restore user links with @ in login name eg. [@jsmith@somenet.foo]
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html.gsub!(%r{[@\A]<a(\sclass="email")? href="mailto:(.*?)">(.*?)</a>}) do
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"@#{$2}"
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end
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# restore user links with @ in login name eg. [user:jsmith@somenet.foo]
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html.gsub!(%r{\buser:<a(\sclass="email")? href="mailto:(.*?)">(.*?)<\/a>}) do
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"user:#{$2}"
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end
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# restore attachments links with @ in file name eg. [attachment:image@2x.png]
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html.gsub!(%r{\battachment:<a(\sclass="email")? href="mailto:(.*?)">(.*?)</a>}) do
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"attachment:#{$2}"
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end
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# restore hires images which are misrecognized as email address eg. [printscreen@2x.png]
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html.gsub!(%r{<a(\sclass="email")? href="mailto:[^"]+@\dx\.(bmp|gif|jpg|jpe|jpeg|png)">(.*?)</a>}) do
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"#{$3}"
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end
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html
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end
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end
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end
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end
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