573 lines
19 KiB
Ruby
573 lines
19 KiB
Ruby
require 'fileutils'
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require 'maruku'
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require 'maruku/ext/math'
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require 'zip/zip'
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require 'instiki_stringsupport'
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require 'resolv'
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class WikiController < ApplicationController
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before_filter :load_page
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before_filter :dnsbl_check, :only => [:edit, :new, :save, :export_html, :export_markup]
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caches_action :show, :published, :authors, :tex, :s5, :print, :recently_revised, :list, :file_list, :source,
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:history, :revision, :atom_with_content, :atom_with_headlines, :if => Proc.new { |c| c.send(:do_caching?) }
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cache_sweeper :revision_sweeper
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layout 'default', :except => [:atom_with_content, :atom_with_headlines, :atom, :source, :tex, :s5, :export_html]
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def index
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if @web_name
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redirect_home
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elsif not @wiki.setup?
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redirect_to :controller => 'admin', :action => 'create_system'
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elsif @wiki.webs.size == 1
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redirect_home @wiki.webs.values.first.address
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else
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redirect_to :action => 'web_list'
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end
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end
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# Outside a single web --------------------------------------------------------
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def authenticate
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if password_check(params['password'])
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redirect_home
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else
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flash[:info] = password_error(params['password'])
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redirect_to :action => 'login', :web => @web_name
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end
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end
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def login
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# to template
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end
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def web_list
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@webs = wiki.webs.values.sort_by { |web| web.name }
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end
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# Within a single web ---------------------------------------------------------
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def authors
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@page_names_by_author = @web.page_names_by_author
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@authors = @page_names_by_author.keys.sort
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end
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def file_list
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sort_order = params['sort_order'] || 'file_name'
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case sort_order
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when 'file_name'
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@alt_sort_order = 'created_at'
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@alt_sort_name = 'date'
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else
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@alt_sort_order = 'file_name'
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@alt_sort_name = 'filename'
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end
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@file_list = @web.file_list(sort_order)
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end
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def export_html
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export_pages_as_zip(html_ext) do |page|
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renderer = PageRenderer.new(page.current_revision)
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rendered_page = <<-EOL
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" >
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>#{page.plain_name} in #{@web.name}</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<script src="public/javascripts/page_helper.js" type="text/javascript"></script>
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<link href="public/stylesheets/instiki.css" media="all" rel="stylesheet" type="text/css" />
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<link href="public/stylesheets/syntax.css" media="all" rel="stylesheet" type="text/css" />
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<style type="text/css">
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h1#pageName, div.info, .newWikiWord a, a.existingWikiWord, .newWikiWord a:hover, [actiontype="toggle"]:hover, #TextileHelp h3 {
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color: ##{@web ? @web.color : "393"};
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}
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a:visited.existingWikiWord {
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color: ##{darken(@web ? @web.color : "393")};
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}
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</style>
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<style type="text/css"><!--/*--><![CDATA[/*><!--*/
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#{@web ? @web.additional_style : ''}
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/*]]>*/--></style>
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<script src="public/javascripts/prototype.js" type="text/javascript"></script>
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<script src="public/javascripts/effects.js" type="text/javascript"></script>
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<script src="public/javascripts/dragdrop.js" type="text/javascript"></script>
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<script src="public/javascripts/controls.js" type="text/javascript"></script>
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<script src="public/javascripts/application.js" type="text/javascript"></script>
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</head>
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<body>
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<div id="Container">
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<div id="Content">
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<h1 id="pageName">
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#{xhtml_enabled? ? %{<span id="svg_logo"><svg version="1.1" width="100%" height="100%" viewBox='0 -1 180 198' xmlns='http://www.w3.org/2000/svg'>
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<path id="svg_logo_path" fill="##{@web ? @web.color : "393"}" stroke-width='0.5' stroke='#000' d='
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M170,60c4,11-1,20-12,25c-9,4-25,3-20,15c5,5,15,0,24,1c11,1,21,11,14,21c-10,15-35,6-48-1c-5-3-27-23-32-10c-1,13,15,10,22,16
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c11,4,24,14,34,20c12,10,7,25-9,23c-11-1-22-9-30-16c-5-5-13-18-21-9c-2,6,2,11,5,14c9,9,22,14,22,31c-2,8-12,8-18,4c-4-3-9-8-11-13
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c-3-6-5-18-12-18c-14-1-5,28-18,30c-9,2-13-9-12-16c1-14,12-24,21-31c5-4,17-13,10-20c-9-10-19,12-23,16c-7,7-17,16-31,15
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c-9-1-18-9-11-17c5-7,14-4,23-6c6-1,15-8,8-15c-5-6-57,2-42-24c7-12,51,4,61,6c6,1,17,4,18-4c2-11-12-7-21-8c-21-2-49-14-49-34
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c0-5,3-11,8-11C31,42,34,65,42,67c6,1,9-3,8-9C49,49,38,40,40,25c1-5,4-15,13-14c10,2,11,18,13,29c1,8,0,24,7,28c15,0,5-22,4-30
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C74,23,78,7,87,1c8-4,14,1,16,9c2,11-8,21-2,30c8,2,11-6,14-12c9-14,36-18,30,5c-3,9-12,19-21,24c-6,4-22,10-23,19c-2,14,15,2,18-2
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c9-9,20-18,33-22C159,52,166,54,170,60' />
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</svg></span>} : ''}
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<span class="webName">#{@web.name}</span><br />
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#{page.plain_name}
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</h1>
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#{renderer.display_content_for_export}
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<div class="byline">
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#{page.revisions? ? "Revised" : "Created" } on #{ page.revised_at.strftime('%B %d, %Y %H:%M:%S') }
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by
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#{ UrlGenerator.new(self).make_link(@web, page.author.name, @web, nil, { :mode => :export }) }
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</div>
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</div>
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</div>
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</body>
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</html>
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EOL
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rendered_page
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end
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end
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def export_markup
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export_pages_as_zip(@web.markup) { |page| page.content }
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end
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# def export_pdf
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# file_name = "#{@web.address}-tex-#{@web.revised_at.strftime('%Y-%m-%d-%H-%M-%S')}"
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# file_path = File.join(@wiki.storage_path, file_name)
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#
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# export_web_to_tex "#{file_path}.tex" unless FileTest.exists? "#{file_path}.tex"
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# convert_tex_to_pdf "#{file_path}.tex"
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# send_file "#{file_path}.pdf"
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# end
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# def export_tex
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# file_name = "#{@web.address}-tex-#{@web.revised_at.strftime('%Y-%m-%d-%H-%M-%S')}.tex"
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# file_path = File.join(@wiki.storage_path, file_name)
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# export_web_to_tex(file_path) unless FileTest.exists?(file_path)
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# send_file file_path
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# end
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def feeds
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@rss_with_content_allowed = rss_with_content_allowed?
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# show the template
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end
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def list
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parse_category
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@page_names_that_are_wanted = @pages_in_category.wanted_pages
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@pages_that_are_orphaned = @pages_in_category.orphaned_pages
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end
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def recently_revised
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parse_category
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@pages_by_revision = @pages_in_category.by_revision
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@pages_by_day = Hash.new { |h, day| h[day] = [] }
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@pages_by_revision.each do |page|
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day = Date.new(page.revised_at.year, page.revised_at.month, page.revised_at.day)
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@pages_by_day[day] << page
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end
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end
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def atom_with_content
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if rss_with_content_allowed?
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render_atom(hide_description = false)
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else
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render :text => 'Atom feed with content for this web is blocked for security reasons. ' +
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'The web is password-protected and not published', :status => 403, :layout => 'error'
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end
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end
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def atom_with_headlines
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render_atom(hide_description = true)
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end
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def tex_list
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return unless is_post
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if [:markdownMML, :markdownPNG, :markdown].include?(@web.markup)
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@tex_content = ''
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# Ruby 1.9.x has ordered hashes; 1.8.x doesn't. So let's just parse the query ourselves.
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ordered_params = ActiveSupport::OrderedHash[*request.raw_post.split('&').collect {|k_v| k_v.split('=').collect {|x| CGI::unescape(x)}}.flatten]
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ordered_params.each do |name, p|
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if p == 'tex' && @web.has_page?(name)
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@tex_content << "\\section*\{#{Maruku.new(name).to_latex.strip}\}\n\n"
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@tex_content << Maruku.new(@web.page(name).content).to_latex
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end
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end
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else
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@tex_content = 'TeX export only supported with the Markdown text filters.'
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end
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if @tex_content == ''
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flash[:error] = "You didn't select any pages to export."
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redirect_to :back
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return
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end
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expire_action :controller => 'wiki', :web => @web.address, :action => 'list', :category => params['category']
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render(:layout => 'tex')
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end
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def search
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@query = params['query'] ? params['query'].purify : ''
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@title_results = @web.select { |page| page.name =~ /#{@query}/i }.sort
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@results = @web.select { |page| page.content =~ /#{@query}/i }.sort
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all_pages_found = (@results + @title_results).uniq
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if all_pages_found.size == 1
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redirect_to_page(all_pages_found.first.name)
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end
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end
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# Within a single page --------------------------------------------------------
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def cancel_edit
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@page.unlock
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redirect_to_page(@page_name)
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end
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def edit
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if @page.nil?
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redirect_home
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elsif @page.locked?(Time.now) and not params['break_lock']
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redirect_to :web => @web_name, :action => 'locked', :id => @page_name
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else
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@page.lock(Time.now, @author)
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end
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end
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def locked
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# to template
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end
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def new
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# to template
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end
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# def pdf
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# page = wiki.read_page(@web_name, @page_name)
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# safe_page_name = @page.name.gsub(/\W/, '')
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# file_name = "#{safe_page_name}-#{@web.address}-#{@page.revised_at.strftime('%Y-%m-%d-%H-%M-%S')}"
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# file_path = File.join(@wiki.storage_path, file_name)
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#
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# export_page_to_tex("#{file_path}.tex") unless FileTest.exists?("#{file_path}.tex")
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# # NB: this is _very_ slow
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# convert_tex_to_pdf("#{file_path}.tex")
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# send_file "#{file_path}.pdf"
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# end
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def print
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if @page.nil?
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redirect_home
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end
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@link_mode ||= :show
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@renderer = PageRenderer.new(@page.current_revision)
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# to template
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end
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def published
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if not @web.published?
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render(:text => "Published version of web '#{@web_name}' is not available", :status => 404, :layout => 'error')
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return
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end
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@page_name ||= 'HomePage'
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@page ||= wiki.read_page(@web_name, @page_name)
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@link_mode ||= :publish
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if @page
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@renderer = PageRenderer.new(@page.current_revision)
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else
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real_page = WikiReference.page_that_redirects_for(@web, @page_name)
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if real_page
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flash[:info] = "Redirected from \"#{@page_name}\".".html_safe
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redirect_to :web => @web_name, :action => 'published', :id => real_page, :status => 301
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else
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render(:text => "Page '#{@page_name}' not found", :status => 404, :layout => 'error')
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end
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end
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end
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def revision
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get_page_and_revision
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@show_diff = (params[:mode] == 'diff')
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@renderer = PageRenderer.new(@revision)
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end
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def rollback
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get_page_and_revision
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if @page.locked?(Time.now) and not params['break_lock']
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redirect_to :web => @web_name, :action => 'locked', :id => @page_name
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else
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@page.lock(Time.now, @author)
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end
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end
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def save
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render(:status => 404, :text => 'Undefined page name', :layout => 'error') and return if @page_name.nil?
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return unless is_post
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author_name = params['author'].purify
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author_name = 'AnonymousCoward' if author_name =~ /^\s*$/
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begin
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the_content = params['content'].purify
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prev_content = ''
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filter_spam(the_content)
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cookies['author'] = { :value => author_name.dup.as_bytes, :expires => Time.utc(2030) }
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if @page
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new_name = params['new_name'] ? params['new_name'].purify : @page_name
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new_name = @page_name if new_name.empty?
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prev_content = @page.current_revision.content
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raise Instiki::ValidationError.new('A page named "' + new_name.escapeHTML + '" already exists.') if
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@page_name != new_name && @web.has_page?(new_name)
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wiki.revise_page(@web_name, @page_name, new_name, the_content, Time.now,
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Author.new(author_name, remote_ip), PageRenderer.new)
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@page.unlock
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@page_name = new_name
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else
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wiki.write_page(@web_name, @page_name, the_content, Time.now,
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Author.new(author_name, remote_ip), PageRenderer.new)
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end
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redirect_to_page @page_name
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rescue Instiki::ValidationError => e
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flash[:error] = e.to_s
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logger.error e
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param_hash = {:web => @web_name, :id => @page_name}
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# Work around Rails bug: flash will not display if query string is longer than 10192 bytes
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param_hash.update( :content => the_content ) if the_content &&
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CGI::escape(the_content).length < 10183 && the_content != prev_content
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if @page
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@page.unlock
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redirect_to param_hash.update( :action => 'edit' )
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else
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redirect_to param_hash.update( :action => 'new' )
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end
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end
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end
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def show
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if @page
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begin
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@renderer = PageRenderer.new(@page.current_revision)
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@show_diff = (params[:mode] == 'diff')
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render :action => 'page'
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# TODO this rescue should differentiate between errors due to rendering and errors in
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# the application itself (for application errors, it's better not to rescue the error at all)
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rescue => e
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logger.error e
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flash[:error] = e.to_s
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if in_a_web?
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redirect_to :action => 'edit', :web => @web_name, :id => @page_name
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else
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raise e
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end
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end
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else
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if not @page_name.nil? and not @page_name.empty?
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real_page = WikiReference.page_that_redirects_for(@web, @page_name)
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if real_page
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flash[:info] = "Redirected from \"#{@page_name}\".".html_safe
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redirect_to :web => @web_name, :action => 'show', :id => real_page, :status => 301
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else
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flash[:info] = "Page \"#{@page_name}\" does not exist.\n" +
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"Please create it now, or hit the \"back\" button in your browser.".html_safe
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redirect_to :web => @web_name, :action => 'new', :id => @page_name
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end
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else
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render :text => 'Page name is not specified', :status => 404, :layout => 'error'
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end
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end
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end
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def history
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if @page
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@revisions_by_day = Hash.new { |h, day| h[day] = [] }
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@revision_numbers = Hash.new { |h, id| h[id] = [] }
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revision_number = @page.rev_ids.size
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@page.rev_ids.reverse.each do |rev|
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day = Date.new(rev.revised_at.year, rev.revised_at.month, rev.revised_at.day)
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@revisions_by_day[day] << rev
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@revision_numbers[rev.id] = revision_number
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revision_number = revision_number - 1
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end
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render :action => 'history'
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else
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if not @page_name.nil? and not @page_name.empty?
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redirect_to :web => @web_name, :action => 'new', :id => @page_name
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else
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render :text => 'Page name is not specified', :status => 404, :layout => 'error'
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end
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end
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end
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def source
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#to template
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end
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def tex
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if [:markdownMML, :markdownPNG, :markdown].include?(@web.markup)
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@tex_content = Maruku.new(@page.content).to_latex
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else
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@tex_content = 'TeX export only supported with the Markdown text filters.'
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end
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render(:layout => 'tex')
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end
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def s5
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if [:markdownMML, :markdownPNG, :markdown].include?(@web.markup)
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my_rendered = PageRenderer.new(@page.current_revision)
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@s5_content = my_rendered.display_s5
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@s5_theme = my_rendered.s5_theme
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else
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@s5_content = "S5 not supported with this text filter"
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@s5_theme = "default"
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end
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end
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protected
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def do_caching?
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flash.empty?
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end
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def load_page
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@page_name = params['id'] ? params['id'].purify : nil
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@page = @wiki.read_page(@web_name, @page_name) if @page_name
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end
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private
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# def convert_tex_to_pdf(tex_path)
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# # TODO remove earlier PDF files with the same prefix
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# # TODO handle gracefully situation where pdflatex is not available
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# begin
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# wd = Dir.getwd
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# Dir.chdir(File.dirname(tex_path))
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# logger.info `pdflatex --interaction=nonstopmode #{File.basename(tex_path)}`
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# ensure
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# Dir.chdir(wd)
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# end
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# end
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def export_page_to_tex(file_path)
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if @web.markup == :markdownMML || @web.markup == :markdownPNG
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@tex_content = Maruku.new(@page.content).to_latex
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else
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@tex_content = 'TeX export only supported with the Markdown text filters.'
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end
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File.open(file_path, 'w') { |f| f.write(render_to_string(:template => 'wiki/tex', :layout => 'tex')) }
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end
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def export_pages_as_zip(file_type, &block)
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file_prefix = "#{@web.address}-#{file_type}-"
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timestamp = @web.revised_at.strftime('%Y-%m-%d-%H-%M-%S')
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file_path = @wiki.storage_path.join(file_prefix + timestamp + '.zip')
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tmp_path = "#{file_path}.tmp"
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Zip::ZipFile.open(tmp_path, Zip::ZipFile::CREATE) do |zip_out|
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@web.select.by_name.each do |page|
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zip_out.get_output_stream("#{CGI.escape(page.name)}.#{file_type}") do |f|
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f.puts(block.call(page))
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end
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end
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# add an index file, and the stylesheet and javascript directories, if exporting to HTML
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if file_type.to_s.downcase == html_ext
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zip_out.get_output_stream("index.#{html_ext}") do |f|
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f.puts "<html xmlns='http://www.w3.org/1999/xhtml'><head>" +
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"<meta http-equiv=\"Refresh\" content=\"0;URL=HomePage.#{html_ext}\" /></head></html>"
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end
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dir = Rails.root.join('public')
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Dir["#{dir}/{images,javascripts,s5,stylesheets}/**/*"].each do |f|
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zip_out.add "public#{f.sub(dir.to_s,'')}", f
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end
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end
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files = @web.files_path
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Dir["#{files}/**/*"].each do |f|
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zip_out.add "files#{f.sub(files.to_s,'')}", f
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end
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end
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FileUtils.rm_rf(Dir[@wiki.storage_path.join(file_prefix + '*.zip').to_s])
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FileUtils.mv(tmp_path, file_path)
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send_file file_path
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end
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# def export_web_to_tex(file_path)
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# if @web.markup == :markdownMML
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# @tex_content = Maruku.new(@page.content).to_latex
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# else
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# @tex_content = 'TeX export only supported with the Markdown text filters.'
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# end
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# @tex_content = table_of_contents(@web.page('HomePage').content, render_tex_web)
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# File.open(file_path, 'w') { |f| f.write(render_to_string(:template => 'wiki/tex_web', :layout => tex)) }
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# end
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def get_page_and_revision
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if params['rev']
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@revision_number = params['rev'].to_i
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else
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@revision_number = @page.rev_ids.size
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end
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@revision = @page.revisions[@revision_number - 1]
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end
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def parse_category
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@categories = WikiReference.list_categories(@web).sort
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@category = params['category']
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if @category
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@set_name = "category '#{@category}'"
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pages = WikiReference.pages_in_category(@web, @category).sort.map { |page_name| @web.page(page_name) }
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@pages_in_category = PageSet.new(@web, pages)
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else
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# no category specified, return all pages of the web
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@pages_in_category = @web.select_all.by_name
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@set_name = 'the web'
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end
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end
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def remote_ip
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|
ip = request.remote_ip
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|
logger.info(ip)
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|
ip.dup.gsub!(Regexp.union(Resolv::IPv4::Regex, Resolv::IPv6::Regex), '\0') || 'bogus address'
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end
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def render_atom(hide_description = false, limit = 15)
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@pages_by_revision = @web.select.by_revision.first(limit)
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@hide_description = hide_description
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@link_action = @web.password ? 'published' : 'show'
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render :action => 'atom'
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end
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|
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def render_tex_web
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|
@web.select.by_name.inject({}) do |tex_web, page|
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|
if @web.markup == :markdownMML || @web.markup == :markdownPNG
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|
tex_web[page.name] = Maruku.new(page.content).to_latex
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|
else
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|
tex_web[page.name] = 'TeX export only supported with the Markdown text filters.'
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end
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|
tex_web
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|
end
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|
end
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def rss_with_content_allowed?
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|
@web.password.nil? or @web.published?
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end
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|
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def filter_spam(content)
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|
@@spam_patterns ||= load_spam_patterns
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|
@@spam_patterns.each do |pattern|
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|
raise Instiki::ValidationError.new("Your edit was blocked by spam filtering") if content =~ pattern
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end
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|
end
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def load_spam_patterns
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|
spam_patterns_file = Rails.root.join('config', 'spam_patterns.txt')
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if File.exists?(spam_patterns_file)
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|
spam_patterns_file.readlines.inject([]) { |patterns, line| patterns << Regexp.new(line.chomp, Regexp::IGNORECASE) }
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else
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|
[]
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|
end
|
|
end
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|
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|
end
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