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# Redmine - project management software
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# Copyright (C) 2006-2008 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class AttachmentsController < ApplicationController
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before_filter :find_project
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before_filter :file_readable, :read_authorize, :except => :destroy
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before_filter :delete_authorize, :only => :destroy
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verify :method => :post, :only => :destroy
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def show
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if @attachment.is_diff?
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@diff = File.new(@attachment.diskfile, "rb").read
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render :action => 'diff'
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elsif @attachment.is_text? && @attachment.filesize <= Setting.file_max_size_displayed.to_i.kilobyte
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@content = File.new(@attachment.diskfile, "rb").read
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render :action => 'file'
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else
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download
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end
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end
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def download
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if @attachment.container.is_a?(Version) || @attachment.container.is_a?(Project)
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@attachment.increment_download
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end
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# images are sent inline
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send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
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:type => detect_content_type(@attachment),
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:disposition => (@attachment.image? ? 'inline' : 'attachment')
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end
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def destroy
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# Make sure association callbacks are called
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@attachment.container.attachments.delete(@attachment)
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redirect_to :back
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rescue ::ActionController::RedirectBackError
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redirect_to :controller => 'projects', :action => 'show', :id => @project
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end
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private
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def find_project
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@attachment = Attachment.find(params[:id])
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# Show 404 if the filename in the url is wrong
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raise ActiveRecord::RecordNotFound if params[:filename] && params[:filename] != @attachment.filename
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@project = @attachment.project
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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# Checks that the file exists and is readable
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def file_readable
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@attachment.readable? ? true : render_404
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end
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def read_authorize
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@attachment.visible? ? true : deny_access
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end
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def delete_authorize
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@attachment.deletable? ? true : deny_access
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end
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def detect_content_type(attachment)
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content_type = attachment.content_type
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if content_type.blank?
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content_type = Redmine::MimeType.of(attachment.filename)
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end
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content_type.to_s
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end
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end
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