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# Redmine - project management software
# Copyright (C) 2006-2008 Jean-Philippe Lang
#
# 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.
class AttachmentsController < ApplicationController
before_filter :find_project
before_filter :file_readable, :read_authorize, :except => :destroy
before_filter :delete_authorize, :only => :destroy
verify :method => :post, :only => :destroy
def show
if @attachment.is_diff?
@diff = File.new(@attachment.diskfile, "rb").read
render :action => 'diff'
elsif @attachment.is_text? && @attachment.filesize <= Setting.file_max_size_displayed.to_i.kilobyte
@content = File.new(@attachment.diskfile, "rb").read
render :action => 'file'
else
download
end
end
def download
if @attachment.container.is_a?(Version) || @attachment.container.is_a?(Project)
@attachment.increment_download
end
# images are sent inline
send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
:type => detect_content_type(@attachment),
:disposition => (@attachment.image? ? 'inline' : 'attachment')
end
def destroy
# Make sure association callbacks are called
@attachment.container.attachments.delete(@attachment)
redirect_to :back
rescue ::ActionController::RedirectBackError
redirect_to :controller => 'projects', :action => 'show', :id => @project
end
private
def find_project
@attachment = Attachment.find(params[:id])
# Show 404 if the filename in the url is wrong
raise ActiveRecord::RecordNotFound if params[:filename] && params[:filename] != @attachment.filename
@project = @attachment.project
rescue ActiveRecord::RecordNotFound
render_404
end
# Checks that the file exists and is readable
def file_readable
@attachment.readable? ? true : render_404
end
def read_authorize
@attachment.visible? ? true : deny_access
end
def delete_authorize
@attachment.deletable? ? true : deny_access
end
def detect_content_type(attachment)
content_type = attachment.content_type
if content_type.blank?
content_type = Redmine::MimeType.of(attachment.filename)
end
content_type.to_s
end
end
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