jro_apps/redmine Commit - r9801:7f0bb136ad11

Validate attachment description length (#11365)....

Jean-Philippe Lang -

r9801:7f0bb136ad11

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r9801:7f0bb136ad11

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app/models/attachment.rb +1 0

             # Redmine - project management software
             # Copyright (C) 2006-2012  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.
             require "digest/md5"
             class Attachment < ActiveRecord::Base
               belongs_to :container, :polymorphic => true
               belongs_to :author, :class_name => "User", :foreign_key => "author_id"
               validates_presence_of :filename, :author
               validates_length_of :filename, :maximum => 255
               validates_length_of :disk_filename, :maximum => 255
+              validates_length_of :description, :maximum => 255
               validate :validate_max_file_size
               acts_as_event :title => :filename,
                             :url => Proc.new {|o| {:controller => 'attachments', :action => 'download', :id => o.id, :filename => o.filename}}
               acts_as_activity_provider :type => 'files',
                                         :permission => :view_files,
                                         :author_key => :author_id,
                                         :find_options => {:select => "#{Attachment.table_name}.*",
                                                           :joins => "LEFT JOIN #{Version.table_name} ON #{Attachment.table_name}.container_type='Version' AND #{Version.table_name}.id = #{Attachment.table_name}.container_id " +
                                                                     "LEFT JOIN #{Project.table_name} ON #{Version.table_name}.project_id = #{Project.table_name}.id OR ( #{Attachment.table_name}.container_type='Project' AND #{Attachment.table_name}.container_id = #{Project.table_name}.id )"}
               acts_as_activity_provider :type => 'documents',
                                         :permission => :view_documents,
                                         :author_key => :author_id,
                                         :find_options => {:select => "#{Attachment.table_name}.*",
                                                           :joins => "LEFT JOIN #{Document.table_name} ON #{Attachment.table_name}.container_type='Document' AND #{Document.table_name}.id = #{Attachment.table_name}.container_id " +
                                                                     "LEFT JOIN #{Project.table_name} ON #{Document.table_name}.project_id = #{Project.table_name}.id"}
               cattr_accessor :storage_path
               @@storage_path = Redmine::Configuration['attachments_storage_path'] || File.join(Rails.root, "files")
               cattr_accessor :thumbnails_storage_path
               @@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
               before_save :files_to_final_location
               after_destroy :delete_from_disk
               # Returns an unsaved copy of the attachment
               def copy(attributes=nil)
                 copy = self.class.new
                 copy.attributes = self.attributes.dup.except("id", "downloads")
                 copy.attributes = attributes if attributes
                 copy
               end
               def validate_max_file_size
                 if @temp_file && self.filesize > Setting.attachment_max_size.to_i.kilobytes
                   errors.add(:base, l(:error_attachment_too_big, :max_size => Setting.attachment_max_size.to_i.kilobytes))
                 end
               end
               def file=(incoming_file)
                 unless incoming_file.nil?
                   @temp_file = incoming_file
                   if @temp_file.size > 0
                     if @temp_file.respond_to?(:original_filename)
                       self.filename = @temp_file.original_filename
                       self.filename.force_encoding("UTF-8") if filename.respond_to?(:force_encoding)
                     end
                     if @temp_file.respond_to?(:content_type)
                       self.content_type = @temp_file.content_type.to_s.chomp
                     end
                     if content_type.blank? && filename.present?
                       self.content_type = Redmine::MimeType.of(filename)
                     end
                     self.filesize = @temp_file.size
                   end
                 end
               end
               def file
                 nil
               end
               def filename=(arg)
                 write_attribute :filename, sanitize_filename(arg.to_s)
                 if new_record? && disk_filename.blank?
                   self.disk_filename = Attachment.disk_filename(filename)
                 end
                 filename
               end
               # Copies the temporary file to its final location
               # and computes its MD5 hash
               def files_to_final_location
                 if @temp_file && (@temp_file.size > 0)
                   logger.info("Saving attachment '#{self.diskfile}' (#{@temp_file.size} bytes)")
                   md5 = Digest::MD5.new
                   File.open(diskfile, "wb") do |f|
                     if @temp_file.respond_to?(:read)
                       buffer = ""
                       while (buffer = @temp_file.read(8192))
                         f.write(buffer)
                         md5.update(buffer)
                       end
                     else
                       f.write(@temp_file)
                       md5.update(@temp_file)
                     end
                   end
                   self.digest = md5.hexdigest
                 end
                 @temp_file = nil
                 # Don't save the content type if it's longer than the authorized length
                 if self.content_type && self.content_type.length > 255
                   self.content_type = nil
                 end
               end
               # Deletes the file from the file system if it's not referenced by other attachments
               def delete_from_disk
                 if Attachment.where("disk_filename = ? AND id <> ?", disk_filename, id).empty?
                   delete_from_disk!
                 end
               end
               # Returns file's location on disk
               def diskfile
                 File.join(self.class.storage_path, disk_filename.to_s)
               end
               def increment_download
                 increment!(:downloads)
               end
               def project
                 container.try(:project)
               end
               def visible?(user=User.current)
                 container && container.attachments_visible?(user)
               end
               def deletable?(user=User.current)
                 container && container.attachments_deletable?(user)
               end
               def image?
                 !!(self.filename =~ /\.(bmp|gif|jpg|jpe|jpeg|png)$/i)
               end
               def thumbnailable?
                 image?
               end
               # Returns the full path the attachment thumbnail, or nil
               # if the thumbnail cannot be generated.
               def thumbnail
                 if thumbnailable? && readable?
                   size = Setting.thumbnails_size.to_i
                   size = 100 unless size > 0
                   target = File.join(self.class.thumbnails_storage_path, "#{id}_#{digest}_#{size}.thumb")
                   begin
                     Redmine::Thumbnail.generate(self.diskfile, target, size)
                   rescue => e
                     logger.error "An error occured while generating thumbnail for #{disk_filename} to #{target}\nException was: #{e.message}" if logger
                     return nil
                   end
                 end
               end
               # Deletes all thumbnails
               def self.clear_thumbnails
                 Dir.glob(File.join(thumbnails_storage_path, "*.thumb")).each do |file|
                   File.delete file
                 end
               end
               def is_text?
                 Redmine::MimeType.is_type?('text', filename)
               end
               def is_diff?
                 self.filename =~ /\.(patch|diff)$/i
               end
               # Returns true if the file is readable
               def readable?
                 File.readable?(diskfile)
               end
               # Returns the attachment token
               def token
                 "#{id}.#{digest}"
               end
               # Finds an attachment that matches the given token and that has no container
               def self.find_by_token(token)
                 if token.to_s =~ /^(\d+)\.([0-9a-f]+)$/
                   attachment_id, attachment_digest = $1, $2
                   attachment = Attachment.where(:id => attachment_id, :digest => attachment_digest).first
                   if attachment && attachment.container.nil?
                     attachment
                   end
                 end
               end
               # Bulk attaches a set of files to an object
               #
               # Returns a Hash of the results:
               # :files => array of the attached files
               # :unsaved => array of the files that could not be attached
               def self.attach_files(obj, attachments)
                 result = obj.save_attachments(attachments, User.current)
                 obj.attach_saved_attachments
                 result
               end
               def self.latest_attach(attachments, filename)
                 attachments.sort_by(&:created_on).reverse.detect {
                   |att| att.filename.downcase == filename.downcase
                  }
               end
               def self.prune(age=1.day)
                 Attachment.where("created_on < ? AND (container_type IS NULL OR container_type = '')", Time.now - age).destroy_all
               end
               private
               # Physically deletes the file from the file system
               def delete_from_disk!
                 if disk_filename.present? && File.exist?(diskfile)
                   File.delete(diskfile)
                 end
               end
               def sanitize_filename(value)
                 # get only the filename, not the whole path
                 just_filename = value.gsub(/^.*(\\|\/)/, '')
                 # Finally, replace invalid characters with underscore
                 @filename = just_filename.gsub(/[\/\?\%\*\:\|\"\'<>]+/, '_')
               end
               # Returns an ASCII or hashed filename
               def self.disk_filename(filename)
                 timestamp = DateTime.now.strftime("%y%m%d%H%M%S")
                 ascii = ''
                 if filename =~ %r{^[a-zA-Z0-9_\.\-]*$}
                   ascii = filename
                 else
                   ascii = Digest::MD5.hexdigest(filename)
                   # keep the extension if any
                   ascii << $1 if filename =~ %r{(\.[a-zA-Z0-9]+)$}
                 end
                 while File.exist?(File.join(@@storage_path, "#{timestamp}_#{ascii}"))
                   timestamp.succ!
                 end
                 "#{timestamp}_#{ascii}"
               end
             end

test/unit/attachment_test.rb +6 0

             # encoding: utf-8
             #
             # Redmine - project management software
             # Copyright (C) 2006-2012  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.
             require File.expand_path('../../test_helper', __FILE__)
             class AttachmentTest < ActiveSupport::TestCase
               fixtures :users, :projects, :roles, :members, :member_roles,
                        :enabled_modules, :issues, :trackers, :attachments
               class MockFile
                 attr_reader :original_filename, :content_type, :content, :size
                 def initialize(attributes)
                   @original_filename = attributes[:original_filename]
                   @content_type = attributes[:content_type]
                   @content = attributes[:content] || "Content"
                   @size = content.size
                 end
               end
               def setup
                 set_tmp_attachments_directory
               end
               def test_container_for_new_attachment_should_be_nil
                 assert_nil Attachment.new.container
               end
               def test_create
                 a = Attachment.new(:container => Issue.find(1),
                                    :file => uploaded_test_file("testfile.txt", "text/plain"),
                                    :author => User.find(1))
                 assert a.save
                 assert_equal 'testfile.txt', a.filename
                 assert_equal 59, a.filesize
                 assert_equal 'text/plain', a.content_type
                 assert_equal 0, a.downloads
                 assert_equal '1478adae0d4eb06d35897518540e25d6', a.digest
                 assert File.exist?(a.diskfile)
                 assert_equal 59, File.size(a.diskfile)
               end
               def test_size_should_be_validated_for_new_file
                 with_settings :attachment_max_size => 0 do
                   a = Attachment.new(:container => Issue.find(1),
                                      :file => uploaded_test_file("testfile.txt", "text/plain"),
                                      :author => User.find(1))
                   assert !a.save
                 end
               end
               def test_size_should_not_be_validated_when_copying
                 a = Attachment.create!(:container => Issue.find(1),
                                        :file => uploaded_test_file("testfile.txt", "text/plain"),
                                        :author => User.find(1))
                 with_settings :attachment_max_size => 0 do
                   copy = a.copy
                   assert copy.save
                 end
               end
+              def test_description_length_should_be_validated
+                a = Attachment.new(:description => 'a' * 300)
+                assert !a.save
+                assert_not_nil a.errors[:description]
+              end
               def test_destroy
                 a = Attachment.new(:container => Issue.find(1),
                                    :file => uploaded_test_file("testfile.txt", "text/plain"),
                                    :author => User.find(1))
                 assert a.save
                 assert_equal 'testfile.txt', a.filename
                 assert_equal 59, a.filesize
                 assert_equal 'text/plain', a.content_type
                 assert_equal 0, a.downloads
                 assert_equal '1478adae0d4eb06d35897518540e25d6', a.digest
                 diskfile = a.diskfile
                 assert File.exist?(diskfile)
                 assert_equal 59, File.size(a.diskfile)
                 assert a.destroy
                 assert !File.exist?(diskfile)
               end
               def test_destroy_should_not_delete_file_referenced_by_other_attachment
                 a = Attachment.create!(:container => Issue.find(1),
                                        :file => uploaded_test_file("testfile.txt", "text/plain"),
                                        :author => User.find(1))
                 diskfile = a.diskfile
                 copy = a.copy
                 copy.save!
                 assert File.exists?(diskfile)
                 a.destroy
                 assert File.exists?(diskfile)
                 copy.destroy
                 assert !File.exists?(diskfile)
               end
               def test_create_should_auto_assign_content_type
                 a = Attachment.new(:container => Issue.find(1),
                                    :file => uploaded_test_file("testfile.txt", ""),
                                    :author => User.find(1))
                 assert a.save
                 assert_equal 'text/plain', a.content_type
               end
               def test_identical_attachments_at_the_same_time_should_not_overwrite
                 a1 = Attachment.create!(:container => Issue.find(1),
                                         :file => uploaded_test_file("testfile.txt", ""),
                                         :author => User.find(1))
                 a2 = Attachment.create!(:container => Issue.find(1),
                                         :file => uploaded_test_file("testfile.txt", ""),
                                         :author => User.find(1))
                 assert a1.disk_filename != a2.disk_filename
               end
               def test_filename_should_be_basenamed
                 a = Attachment.new(:file => MockFile.new(:original_filename => "path/to/the/file"))
                 assert_equal 'file', a.filename
               end
               def test_filename_should_be_sanitized
                 a = Attachment.new(:file => MockFile.new(:original_filename => "valid:[] invalid:?%*|\"'<>chars"))
                 assert_equal 'valid_[] invalid_chars', a.filename
               end
               def test_diskfilename
                 assert Attachment.disk_filename("test_file.txt") =~ /^\d{12}_test_file.txt$/
                 assert_equal 'test_file.txt', Attachment.disk_filename("test_file.txt")[13..-1]
                 assert_equal '770c509475505f37c2b8fb6030434d6b.txt', Attachment.disk_filename("test_accentué.txt")[13..-1]
                 assert_equal 'f8139524ebb8f32e51976982cd20a85d', Attachment.disk_filename("test_accentué")[13..-1]
                 assert_equal 'cbb5b0f30978ba03731d61f9f6d10011', Attachment.disk_filename("test_accentué.ça")[13..-1]
               end
               def test_prune_should_destroy_old_unattached_attachments
                 Attachment.create!(:file => uploaded_test_file("testfile.txt", ""), :author_id => 1, :created_on => 2.days.ago)
                 Attachment.create!(:file => uploaded_test_file("testfile.txt", ""), :author_id => 1, :created_on => 2.days.ago)
                 Attachment.create!(:file => uploaded_test_file("testfile.txt", ""), :author_id => 1)
                 assert_difference 'Attachment.count', -2 do
                   Attachment.prune
                 end
               end
               context "Attachmnet.attach_files" do
                 should "attach the file" do
                   issue = Issue.first
                   assert_difference 'Attachment.count' do
                     Attachment.attach_files(issue,
                       '1' => {
                         'file' => uploaded_test_file('testfile.txt', 'text/plain'),
                         'description' => 'test'
                       })
                   end
                   attachment = Attachment.first(:order => 'id DESC')
                   assert_equal issue, attachment.container
                   assert_equal 'testfile.txt', attachment.filename
                   assert_equal 59, attachment.filesize
                   assert_equal 'test', attachment.description
                   assert_equal 'text/plain', attachment.content_type
                   assert File.exists?(attachment.diskfile)
                   assert_equal 59, File.size(attachment.diskfile)
                 end
                 should "add unsaved files to the object as unsaved attachments" do
                   # Max size of 0 to force Attachment creation failures
                   with_settings(:attachment_max_size => 0) do
                     @project = Project.find(1)
                     response = Attachment.attach_files(@project, {
                                                          '1' => {'file' => mock_file, 'description' => 'test'},
                                                          '2' => {'file' => mock_file, 'description' => 'test'}
                                                        })
                     assert response[:unsaved].present?
                     assert_equal 2, response[:unsaved].length
                     assert response[:unsaved].first.new_record?
                     assert response[:unsaved].second.new_record?
                     assert_equal response[:unsaved], @project.unsaved_attachments
                   end
                 end
               end
               def test_latest_attach
                 set_fixtures_attachments_directory
                 a1 = Attachment.find(16)
                 assert_equal "testfile.png", a1.filename
                 assert a1.readable?
                 assert (! a1.visible?(User.anonymous))
                 assert a1.visible?(User.find(2))
                 a2 = Attachment.find(17)
                 assert_equal "testfile.PNG", a2.filename
                 assert a2.readable?
                 assert (! a2.visible?(User.anonymous))
                 assert a2.visible?(User.find(2))
                 assert a1.created_on < a2.created_on
                 la1 = Attachment.latest_attach([a1, a2], "testfile.png")
                 assert_equal 17, la1.id
                 la2 = Attachment.latest_attach([a1, a2], "Testfile.PNG")
                 assert_equal 17, la2.id
                 set_tmp_attachments_directory
               end
               def test_thumbnailable_should_be_true_for_images
                 assert_equal true, Attachment.new(:filename => 'test.jpg').thumbnailable?
               end
               def test_thumbnailable_should_be_true_for_non_images
                 assert_equal false, Attachment.new(:filename => 'test.txt').thumbnailable?
               end
               if convert_installed?
                 def test_thumbnail_should_generate_the_thumbnail
                   set_fixtures_attachments_directory
                   attachment = Attachment.find(16)
                   Attachment.clear_thumbnails
                   assert_difference "Dir.glob(File.join(Attachment.thumbnails_storage_path, '*.thumb')).size" do
                     thumbnail = attachment.thumbnail
                     assert_equal "16_8e0294de2441577c529f170b6fb8f638_100.thumb", File.basename(thumbnail)
                     assert File.exists?(thumbnail)
                   end
                 end
               else
                 puts '(ImageMagick convert not available)'
               end
             end

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