view lib/redmine/scm/adapters/filesystem_adapter.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# RedMine - project management software
# Copyright (C) 2006-2011  Jean-Philippe Lang
#
# FileSystem adapter
# File written by Paul Rivier, at Demotera.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'redmine/scm/adapters/abstract_adapter'
require 'find'

module Redmine
  module Scm
    module Adapters
      class FilesystemAdapter < AbstractAdapter

        class << self
          def client_available
            true
          end
        end

        def initialize(url, root_url=nil, login=nil, password=nil,
                       path_encoding=nil)
          @url = with_trailling_slash(url)
          @path_encoding = path_encoding.blank? ? 'UTF-8' : path_encoding
        end

        def path_encoding
          @path_encoding
        end

        def format_path_ends(path, leading=true, trailling=true)
          path = leading ? with_leading_slash(path) :
            without_leading_slash(path)
          trailling ? with_trailling_slash(path) :
            without_trailling_slash(path)
        end

        def info
          info = Info.new({:root_url => target(),
                            :lastrev => nil
                          })
          info
        rescue CommandFailed
          return nil
        end

        def entries(path="", identifier=nil, options={})
          entries = Entries.new
          trgt_utf8 = target(path)
          trgt = scm_iconv(@path_encoding, 'UTF-8', trgt_utf8)
          Dir.new(trgt).each do |e1|
            e_utf8 = scm_iconv('UTF-8', @path_encoding, e1)
            next if e_utf8.blank?
            relative_path_utf8 = format_path_ends(
                (format_path_ends(path,false,true) + e_utf8),false,false)
            t1_utf8 = target(relative_path_utf8)
            t1 = scm_iconv(@path_encoding, 'UTF-8', t1_utf8)
            relative_path = scm_iconv(@path_encoding, 'UTF-8', relative_path_utf8)
            e1 = scm_iconv(@path_encoding, 'UTF-8', e_utf8)
            if File.exist?(t1) and # paranoid test
                  %w{file directory}.include?(File.ftype(t1)) and # avoid special types
                  not File.basename(e1).match(/^\.+$/) # avoid . and ..
              p1         = File.readable?(t1) ? relative_path : ""
              utf_8_path = scm_iconv('UTF-8', @path_encoding, p1)
              entries <<
                Entry.new({ :name => scm_iconv('UTF-8', @path_encoding, File.basename(e1)),
                          # below : list unreadable files, but dont link them.
                          :path => utf_8_path,
                          :kind => (File.directory?(t1) ? 'dir' : 'file'),
                          :size => (File.directory?(t1) ? nil : [File.size(t1)].pack('l').unpack('L').first),
                          :lastrev =>
                              Revision.new({:time => (File.mtime(t1)) })
                        })
            end
          end
          entries.sort_by_name
        rescue  => err
          logger.error "scm: filesystem: error: #{err.message}"
          raise CommandFailed.new(err.message)
        end

        def cat(path, identifier=nil)
          p = scm_iconv(@path_encoding, 'UTF-8', target(path))
          File.new(p, "rb").read
        rescue  => err
          logger.error "scm: filesystem: error: #{err.message}"
          raise CommandFailed.new(err.message)
        end

        private

        # AbstractAdapter::target is implicitly made to quote paths.
        # Here we do not shell-out, so we do not want quotes.
        def target(path=nil)
          # Prevent the use of ..
          if path and !path.match(/(^|\/)\.\.(\/|$)/)
            return "#{self.url}#{without_leading_slash(path)}"
          end
          return self.url
        end
      end
    end
  end
end