comparison .svn/pristine/e1/e14ce008ab63fe1ed2c0583cdc8dd554192dcfe1.svn-base @ 1298:4f746d8966dd redmine_2.3_integration

Merge from redmine-2.3 branch to create new branch redmine-2.3-integration

+# Redmine - project management software
+# Copyright (C) 2006-2013  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, :except => :upload
+  before_filter :file_readable, :read_authorize, :only => [:show, :download, :thumbnail]
+  before_filter :delete_authorize, :only => :destroy
+  before_filter :authorize_global, :only => :upload
+
+  accept_api_auth :show, :download, :upload
+
+  def show
+    respond_to do |format|
+      format.html {
+        if @attachment.is_diff?
+          @diff = File.new(@attachment.diskfile, "rb").read
+          @diff_type = params[:type] || User.current.pref[:diff_type] || 'inline'
+          @diff_type = 'inline' unless %w(inline sbs).include?(@diff_type)
+          # Save diff type as user preference
+          if User.current.logged? && @diff_type != User.current.pref[:diff_type]
+            User.current.pref[:diff_type] = @diff_type
+            User.current.preference.save
+          end
+          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
+      }
+      format.api
+    end
+  end
+
+  def download
+    if @attachment.container.is_a?(Version) || @attachment.container.is_a?(Project)
+      @attachment.increment_download
+    end
+
+    if stale?(:etag => @attachment.digest)
+      # 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
+  end
+
+  def thumbnail
+    if @attachment.thumbnailable? && thumbnail = @attachment.thumbnail(:size => params[:size])
+      if stale?(:etag => thumbnail)
+        send_file thumbnail,
+          :filename => filename_for_content_disposition(@attachment.filename),
+          :type => detect_content_type(@attachment),
+          :disposition => 'inline'
+      end
+    else
+      # No thumbnail for the attachment or thumbnail could not be created
+      render :nothing => true, :status => 404
+    end
+  end
+
+  def upload
+    # Make sure that API users get used to set this content type
+    # as it won't trigger Rails' automatic parsing of the request body for parameters
+    unless request.content_type == 'application/octet-stream'
+      render :nothing => true, :status => 406
+      return
+    end
+
+    @attachment = Attachment.new(:file => request.raw_post)
+    @attachment.author = User.current
+    @attachment.filename = params[:filename].presence || Redmine::Utils.random_hex(16)
+    saved = @attachment.save
+
+    respond_to do |format|
+      format.js
+      format.api {
+        if saved
+          render :action => 'upload', :status => :created
+        else
+          render_validation_errors(@attachment)
+        end
+      }
+    end
+  end
+
+  def destroy
+    if @attachment.container.respond_to?(:init_journal)
+      @attachment.container.init_journal(User.current)
+    end
+    if @attachment.container
+      # Make sure association callbacks are called
+      @attachment.container.attachments.delete(@attachment)
+    else
+      @attachment.destroy
+    end
+
+    respond_to do |format|
+      format.html { redirect_to_referer_or project_path(@project) }
+      format.js
+    end
+  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
+    if @attachment.readable?
+      true
+    else
+      logger.error "Cannot send attachment, #{@attachment.diskfile} does not exist or is unreadable."
+      render_404
+    end
+  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