2007-01-22 14:43:50 +01:00
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require 'fileutils'
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require 'redcloth_for_tex'
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require 'parsedate'
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require 'zip/zip'
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2007-03-01 01:38:52 +01:00
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require 'sanitize'
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2007-01-22 14:43:50 +01:00
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class WikiController < ApplicationController
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before_filter :load_page
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caches_action :show, :published, :authors, :recently_revised, :list
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cache_sweeper :revision_sweeper
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2007-02-28 20:31:34 +01:00
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layout 'default', :except => [:rss_feed, :rss_with_content, :rss_with_headlines, :tex, :pdf, :s5, :export_tex, :export_html]
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2007-01-22 14:43:50 +01:00
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2007-03-01 01:38:52 +01:00
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include Sanitize
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2007-01-22 14:43:50 +01:00
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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.length == 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 export_html
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stylesheet = File.read(File.join(RAILS_ROOT, 'public', 'stylesheets', 'instiki.css'))
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export_pages_as_zip('html') do |page|
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renderer = PageRenderer.new(page.revisions.last)
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rendered_page = <<-EOL
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2007-02-28 20:31:34 +01:00
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd" >
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2007-01-22 14:43:50 +01:00
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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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<style type="text/css">
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h1#pageName, .newWikiWord a, a.existingWikiWord, .newWikiWord a:hover {
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color: ##{@web ? @web.color : "393" };
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}
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.newWikiWord { background-color: white; font-style: italic; }
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#{stylesheet}
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</style>
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<style type="text/css">
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#{@web.additional_style}
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</style>
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</head>
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<body>
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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(page.author.name, @web, nil, { :mode => :export }) }
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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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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 rss_with_content
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if rss_with_content_allowed?
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render_rss(hide_description = false, *parse_rss_params)
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else
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render_text 'RSS feed with content for this web is blocked for security reasons. ' +
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'The web is password-protected and not published', '403 Forbidden'
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end
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end
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def rss_with_headlines
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render_rss(hide_description = true, *parse_rss_params)
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end
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def search
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@query = @params['query']
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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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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.revisions.last)
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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)
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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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render(:text => "Page '#{@page_name}' not found", :status => 404) and return unless @page
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@renderer = PageRenderer.new(@page.revisions.last)
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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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end
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def save
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render(:status => 404, :text => 'Undefined page name') and return if @page_name.nil?
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author_name = @params['author']
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author_name = 'AnonymousCoward' if author_name =~ /^\s*$/
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cookies['author'] = { :value => author_name, :expires => Time.utc(2030) }
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begin
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filter_spam(@params['content'])
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if @page
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wiki.revise_page(@web_name, @page_name, @params['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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else
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wiki.write_page(@web_name, @page_name, @params['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 => e
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flash[:error] = e
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logger.error e
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flash[:content] = @params['content']
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if @page
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@page.unlock
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redirect_to :action => 'edit', :web => @web_name, :id => @page_name
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else
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redirect_to :action => 'new', :web => @web_name, :id => @page_name
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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.revisions.last)
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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.message
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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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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', '404 Not Found'
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end
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end
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end
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def tex
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2007-01-22 15:36:51 +01:00
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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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2007-02-28 20:31:34 +01:00
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@tex_content = RedClothForTex.new(@page.content).to_tex
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end
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2007-01-22 14:43:50 +01:00
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end
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2007-02-28 20:31:34 +01:00
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def s5
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if @web.markup == :markdownMML or @web.markup == :markdown
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2007-03-01 01:38:52 +01:00
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@s5_content = sanitize_html(Maruku.new(@page.content.delete("\r\x01-\x08\x0B\x0C\x0E-\x1F"),
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2007-03-01 10:05:35 +01:00
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{:math_enabled => true, :math_numbered => ['\\[','\\begin{equation}'], :content_only => true,
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:author => @page.author, :title => @page.plain_name}).to_s5)
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2007-02-28 20:31:34 +01:00
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end
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2007-01-22 15:36:51 +01:00
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end
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2007-01-22 14:43:50 +01:00
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protected
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def load_page
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@page_name = @params['id']
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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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2007-01-22 15:36:51 +01:00
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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 = RedClothForTex.new(@page.content).to_tex
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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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2007-01-22 14:43:50 +01:00
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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 = File.join(@wiki.storage_path, file_prefix + timestamp + '.zip')
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tmp_path = "#{file_path}.tmp"
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Zip::ZipOutputStream.open(tmp_path) do |zip_out|
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@web.select.by_name.each do |page|
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zip_out.put_next_entry("#{CGI.escape(page.name)}.#{file_type}")
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zip_out.puts(block.call(page))
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end
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# add an index file, if exporting to HTML
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if file_type.to_s.downcase == 'html'
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zip_out.put_next_entry 'index.html'
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zip_out.puts "<html><head>" +
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"<META HTTP-EQUIV=\"Refresh\" CONTENT=\"0;URL=HomePage.#{file_type}\"></head></html>"
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end
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end
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FileUtils.rm_rf(Dir[File.join(@wiki.storage_path, file_prefix + '*.zip')])
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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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2007-02-28 20:31:34 +01:00
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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 = RedClothForTex.new(@page.content).to_tex
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# end
|
2007-01-22 14:43:50 +01:00
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@tex_content = table_of_contents(@web.page('HomePage').content, render_tex_web)
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2007-02-28 20:31:34 +01:00
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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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2007-01-22 14:43:50 +01:00
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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.revisions.length
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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
|
2007-02-28 04:27:20 +01:00
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@categories = WikiReference.list_categories(@web).sort
|
2007-01-22 14:43:50 +01:00
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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(@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 parse_rss_params
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if @params.include? 'limit'
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|
limit = @params['limit'].to_i rescue nil
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|
limit = nil if limit == 0
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|
else
|
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limit = 15
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|
end
|
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|
start_date = Time.local(*ParseDate::parsedate(@params['start'])) rescue nil
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|
end_date = Time.local(*ParseDate::parsedate(@params['end'])) rescue nil
|
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|
[ limit, start_date, end_date ]
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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
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end
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|
def render_rss(hide_description = false, limit = 15, start_date = nil, end_date = nil)
|
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|
|
if limit && !start_date && !end_date
|
|
|
|
|
@pages_by_revision = @web.select.by_revision.first(limit)
|
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|
|
else
|
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|
|
@pages_by_revision = @web.select.by_revision
|
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|
|
@pages_by_revision.reject! { |page| page.revised_at < start_date } if start_date
|
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|
@pages_by_revision.reject! { |page| page.revised_at > end_date } if end_date
|
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|
|
|
end
|
|
|
|
|
|
|
|
|
|
@hide_description = hide_description
|
|
|
|
|
@link_action = @web.password ? 'published' : 'show'
|
|
|
|
|
|
|
|
|
|
render :action => 'rss_feed'
|
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|
|
end
|
|
|
|
|
|
|
|
|
|
def render_tex_web
|
|
|
|
|
@web.select.by_name.inject({}) do |tex_web, page|
|
2007-01-22 15:36:51 +01:00
|
|
|
if @web.markup == :markdownMML
|
|
|
|
|
tex_web[page.name] = Maruku.new(page.content).to_latex
|
|
|
|
|
else
|
2007-02-28 20:31:34 +01:00
|
|
|
tex_web[page.name] = RedClothForTex.new(page.content).to_tex
|
2007-01-22 15:36:51 +01:00
|
|
|
end
|
2007-01-22 14:43:50 +01:00
|
|
|
tex_web
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def rss_with_content_allowed?
|
|
|
|
|
@web.password.nil? or @web.published?
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def truncate(text, length = 30, truncate_string = '...')
|
|
|
|
|
if text.length > length then text[0..(length - 3)] + truncate_string else text end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def filter_spam(content)
|
|
|
|
|
@@spam_patterns ||= load_spam_patterns
|
|
|
|
|
@@spam_patterns.each do |pattern|
|
|
|
|
|
raise "Your edit was blocked by spam filtering" if content =~ pattern
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def load_spam_patterns
|
|
|
|
|
spam_patterns_file = "#{RAILS_ROOT}/config/spam_patterns.txt"
|
|
|
|
|
if File.exists?(spam_patterns_file)
|
|
|
|
|
File.readlines(spam_patterns_file).inject([]) { |patterns, line| patterns << Regexp.new(line.chomp, Regexp::IGNORECASE) }
|
|
|
|
|
else
|
|
|
|
|
[]
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
end
|
