111 lines
3.3 KiB
Ruby
111 lines
3.3 KiB
Ruby
# Controller responsible for serving files and pictures.
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require 'zip/zip'
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require 'sanitize'
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class FileController < ApplicationController
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layout 'default'
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before_filter :check_allow_uploads
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def file
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@file_name = params['id']
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if params['file']
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unless (request.post? || ENV["RAILS_ENV"] == "test")
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headers['Allow'] = 'POST'
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render(:status => 405, :text => 'You must use an HTTP POST', :layout => 'error')
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return
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end
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# form supplied
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new_file = @web.wiki_files.create(params['file'])
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if new_file.valid?
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flash[:info] = "File '#{@file_name}' successfully uploaded"
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return_to_last_remembered
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else
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# pass the file with errors back into the form
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@file = new_file
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render
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end
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else
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# no form supplied, this is a request to download the file
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file = WikiFile.find_by_file_name(@file_name)
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if file
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send_data(file.content, determine_file_options_for(@file_name, :filename => @file_name))
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else
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@file = WikiFile.new(:file_name => @file_name)
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render
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end
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end
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end
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def cancel_upload
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return_to_last_remembered
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end
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def import
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if params['file']
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@problems = []
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import_file_name = "#{@web.address}-import-#{Time.now.strftime('%Y-%m-%d-%H-%M-%S')}.zip"
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import_from_archive(params['file'].path)
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if @problems.empty?
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flash[:info] = 'Import successfully finished'
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else
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flash[:error] = 'Import finished, but some pages were not imported:<li>' +
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@problems.join('</li><li>') + '</li>'
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end
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return_to_last_remembered
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else
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# to template
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end
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end
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protected
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def check_allow_uploads
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render(:status => 404, :text => "Web #{params['web'].inspect} not found", :layout => 'error') and return false unless @web
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if @web.allow_uploads?
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return true
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else
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@hide_navigation = true
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render(:status => 403, :text => 'File uploads are blocked by the webmaster', :layout => true)
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return false
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end
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end
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private
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def import_from_archive(archive)
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logger.info "Importing pages from #{archive}"
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zip = Zip::ZipInputStream.open(archive)
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while (entry = zip.get_next_entry) do
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ext_length = File.extname(entry.name).length
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page_name = entry.name[0..-(ext_length + 1)]
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page_content = entry.get_input_stream.read
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logger.info "Processing page '#{page_name}'"
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begin
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if !page_content.is_utf8?
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logger.info "Page '#{page_name}' contains non-utf8 character data. Skipping."
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next
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end
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existing_page = @wiki.read_page(@web.address, page_name)
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if existing_page
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if existing_page.content == page_content
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logger.info "Page '#{page_name}' with the same content already exists. Skipping."
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next
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else
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logger.info "Page '#{page_name}' already exists. Adding a new revision to it."
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wiki.revise_page(@web.address, page_name, page_content, Time.now, @author, PageRenderer.new)
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end
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else
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wiki.write_page(@web.address, page_name, page_content, Time.now, @author, PageRenderer.new)
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end
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rescue => e
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logger.error(e)
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@problems << "#{page_name} : #{e.message}"
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end
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end
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logger.info "Import from #{archive} finished"
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end
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end
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