##// END OF EJS Templates
remove trailing white-space from app/models/attachment.rb...
Toshi MARUYAMA -
r11037:3d7819ed822e
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@@ -1,326 +1,326
1 1 # Redmine - project management software
2 2 # Copyright (C) 2006-2013 Jean-Philippe Lang
3 3 #
4 4 # This program is free software; you can redistribute it and/or
5 5 # modify it under the terms of the GNU General Public License
6 6 # as published by the Free Software Foundation; either version 2
7 7 # of the License, or (at your option) any later version.
8 8 #
9 9 # This program is distributed in the hope that it will be useful,
10 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 12 # GNU General Public License for more details.
13 13 #
14 14 # You should have received a copy of the GNU General Public License
15 15 # along with this program; if not, write to the Free Software
16 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 17
18 18 require "digest/md5"
19 19 require "fileutils"
20 20
21 21 class Attachment < ActiveRecord::Base
22 22 belongs_to :container, :polymorphic => true
23 23 belongs_to :author, :class_name => "User", :foreign_key => "author_id"
24 24
25 25 validates_presence_of :filename, :author
26 26 validates_length_of :filename, :maximum => 255
27 27 validates_length_of :disk_filename, :maximum => 255
28 28 validates_length_of :description, :maximum => 255
29 29 validate :validate_max_file_size
30 30
31 31 acts_as_event :title => :filename,
32 32 :url => Proc.new {|o| {:controller => 'attachments', :action => 'download', :id => o.id, :filename => o.filename}}
33 33
34 34 acts_as_activity_provider :type => 'files',
35 35 :permission => :view_files,
36 36 :author_key => :author_id,
37 37 :find_options => {:select => "#{Attachment.table_name}.*",
38 38 :joins => "LEFT JOIN #{Version.table_name} ON #{Attachment.table_name}.container_type='Version' AND #{Version.table_name}.id = #{Attachment.table_name}.container_id " +
39 39 "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 )"}
40 40
41 41 acts_as_activity_provider :type => 'documents',
42 42 :permission => :view_documents,
43 43 :author_key => :author_id,
44 44 :find_options => {:select => "#{Attachment.table_name}.*",
45 45 :joins => "LEFT JOIN #{Document.table_name} ON #{Attachment.table_name}.container_type='Document' AND #{Document.table_name}.id = #{Attachment.table_name}.container_id " +
46 46 "LEFT JOIN #{Project.table_name} ON #{Document.table_name}.project_id = #{Project.table_name}.id"}
47 47
48 48 cattr_accessor :storage_path
49 49 @@storage_path = Redmine::Configuration['attachments_storage_path'] || File.join(Rails.root, "files")
50 50
51 51 cattr_accessor :thumbnails_storage_path
52 52 @@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
53 53
54 54 before_save :files_to_final_location
55 55 after_destroy :delete_from_disk
56 56
57 57 # Returns an unsaved copy of the attachment
58 58 def copy(attributes=nil)
59 59 copy = self.class.new
60 60 copy.attributes = self.attributes.dup.except("id", "downloads")
61 61 copy.attributes = attributes if attributes
62 62 copy
63 63 end
64 64
65 65 def validate_max_file_size
66 66 if @temp_file && self.filesize > Setting.attachment_max_size.to_i.kilobytes
67 67 errors.add(:base, l(:error_attachment_too_big, :max_size => Setting.attachment_max_size.to_i.kilobytes))
68 68 end
69 69 end
70 70
71 71 def file=(incoming_file)
72 72 unless incoming_file.nil?
73 73 @temp_file = incoming_file
74 74 if @temp_file.size > 0
75 75 if @temp_file.respond_to?(:original_filename)
76 76 self.filename = @temp_file.original_filename
77 77 self.filename.force_encoding("UTF-8") if filename.respond_to?(:force_encoding)
78 78 end
79 79 if @temp_file.respond_to?(:content_type)
80 80 self.content_type = @temp_file.content_type.to_s.chomp
81 81 end
82 82 if content_type.blank? && filename.present?
83 83 self.content_type = Redmine::MimeType.of(filename)
84 84 end
85 85 self.filesize = @temp_file.size
86 86 end
87 87 end
88 88 end
89 89
90 90 def file
91 91 nil
92 92 end
93 93
94 94 def filename=(arg)
95 95 write_attribute :filename, sanitize_filename(arg.to_s)
96 96 filename
97 97 end
98 98
99 99 # Copies the temporary file to its final location
100 100 # and computes its MD5 hash
101 101 def files_to_final_location
102 102 if @temp_file && (@temp_file.size > 0)
103 103 self.disk_directory = target_directory
104 104 self.disk_filename = Attachment.disk_filename(filename, disk_directory)
105 105 logger.info("Saving attachment '#{self.diskfile}' (#{@temp_file.size} bytes)")
106 106 path = File.dirname(diskfile)
107 107 unless File.directory?(path)
108 108 FileUtils.mkdir_p(path)
109 109 end
110 110 md5 = Digest::MD5.new
111 111 File.open(diskfile, "wb") do |f|
112 112 if @temp_file.respond_to?(:read)
113 113 buffer = ""
114 114 while (buffer = @temp_file.read(8192))
115 115 f.write(buffer)
116 116 md5.update(buffer)
117 117 end
118 118 else
119 119 f.write(@temp_file)
120 120 md5.update(@temp_file)
121 121 end
122 122 end
123 123 self.digest = md5.hexdigest
124 124 end
125 125 @temp_file = nil
126 126 # Don't save the content type if it's longer than the authorized length
127 127 if self.content_type && self.content_type.length > 255
128 128 self.content_type = nil
129 129 end
130 130 end
131 131
132 132 # Deletes the file from the file system if it's not referenced by other attachments
133 133 def delete_from_disk
134 134 if Attachment.where("disk_filename = ? AND id <> ?", disk_filename, id).empty?
135 135 delete_from_disk!
136 136 end
137 137 end
138 138
139 139 # Returns file's location on disk
140 140 def diskfile
141 141 File.join(self.class.storage_path, disk_directory.to_s, disk_filename.to_s)
142 142 end
143 143
144 144 def title
145 145 title = filename.to_s
146 146 if description.present?
147 147 title << " (#{description})"
148 148 end
149 149 title
150 150 end
151 151
152 152 def increment_download
153 153 increment!(:downloads)
154 154 end
155 155
156 156 def project
157 157 container.try(:project)
158 158 end
159 159
160 160 def visible?(user=User.current)
161 161 if container_id
162 162 container && container.attachments_visible?(user)
163 163 else
164 164 author == user
165 165 end
166 166 end
167 167
168 168 def deletable?(user=User.current)
169 169 if container_id
170 170 container && container.attachments_deletable?(user)
171 171 else
172 172 author == user
173 173 end
174 174 end
175 175
176 176 def image?
177 177 !!(self.filename =~ /\.(bmp|gif|jpg|jpe|jpeg|png)$/i)
178 178 end
179 179
180 180 def thumbnailable?
181 181 image?
182 182 end
183 183
184 184 # Returns the full path the attachment thumbnail, or nil
185 185 # if the thumbnail cannot be generated.
186 186 def thumbnail(options={})
187 187 if thumbnailable? && readable?
188 188 size = options[:size].to_i
189 189 if size > 0
190 190 # Limit the number of thumbnails per image
191 191 size = (size / 50) * 50
192 192 # Maximum thumbnail size
193 193 size = 800 if size > 800
194 194 else
195 195 size = Setting.thumbnails_size.to_i
196 196 end
197 197 size = 100 unless size > 0
198 198 target = File.join(self.class.thumbnails_storage_path, "#{id}_#{digest}_#{size}.thumb")
199 199
200 200 begin
201 201 Redmine::Thumbnail.generate(self.diskfile, target, size)
202 202 rescue => e
203 203 logger.error "An error occured while generating thumbnail for #{disk_filename} to #{target}\nException was: #{e.message}" if logger
204 204 return nil
205 205 end
206 206 end
207 207 end
208 208
209 209 # Deletes all thumbnails
210 210 def self.clear_thumbnails
211 211 Dir.glob(File.join(thumbnails_storage_path, "*.thumb")).each do |file|
212 212 File.delete file
213 213 end
214 214 end
215 215
216 216 def is_text?
217 217 Redmine::MimeType.is_type?('text', filename)
218 218 end
219 219
220 220 def is_diff?
221 221 self.filename =~ /\.(patch|diff)$/i
222 222 end
223 223
224 224 # Returns true if the file is readable
225 225 def readable?
226 226 File.readable?(diskfile)
227 227 end
228 228
229 229 # Returns the attachment token
230 230 def token
231 231 "#{id}.#{digest}"
232 232 end
233 233
234 234 # Finds an attachment that matches the given token and that has no container
235 235 def self.find_by_token(token)
236 236 if token.to_s =~ /^(\d+)\.([0-9a-f]+)$/
237 237 attachment_id, attachment_digest = $1, $2
238 238 attachment = Attachment.where(:id => attachment_id, :digest => attachment_digest).first
239 239 if attachment && attachment.container.nil?
240 240 attachment
241 241 end
242 242 end
243 243 end
244 244
245 245 # Bulk attaches a set of files to an object
246 246 #
247 247 # Returns a Hash of the results:
248 248 # :files => array of the attached files
249 249 # :unsaved => array of the files that could not be attached
250 250 def self.attach_files(obj, attachments)
251 251 result = obj.save_attachments(attachments, User.current)
252 252 obj.attach_saved_attachments
253 253 result
254 254 end
255 255
256 256 def self.latest_attach(attachments, filename)
257 257 attachments.sort_by(&:created_on).reverse.detect {
258 258 |att| att.filename.downcase == filename.downcase
259 259 }
260 260 end
261 261
262 262 def self.prune(age=1.day)
263 263 Attachment.where("created_on < ? AND (container_type IS NULL OR container_type = '')", Time.now - age).destroy_all
264 264 end
265 265
266 # Moves an existing attachment to its target directory
266 # Moves an existing attachment to its target directory
267 267 def move_to_target_directory!
268 268 if !new_record? & readable?
269 269 src = diskfile
270 270 self.disk_directory = target_directory
271 271 dest = diskfile
272 272 if src != dest && FileUtils.mkdir_p(File.dirname(dest)) && FileUtils.mv(src, dest)
273 273 update_column :disk_directory, disk_directory
274 274 end
275 275 end
276 276 end
277 277
278 278 # Moves existing attachments that are stored at the root of the files
279 279 # directory (ie. created before Redmine 2.3) to their target subdirectories
280 280 def self.move_from_root_to_target_directory
281 281 Attachment.where("disk_directory IS NULL OR disk_directory = ''").find_each do |attachment|
282 282 attachment.move_to_target_directory!
283 283 end
284 284 end
285 285
286 286 private
287 287
288 288 # Physically deletes the file from the file system
289 289 def delete_from_disk!
290 290 if disk_filename.present? && File.exist?(diskfile)
291 291 File.delete(diskfile)
292 292 end
293 293 end
294 294
295 295 def sanitize_filename(value)
296 296 # get only the filename, not the whole path
297 297 just_filename = value.gsub(/^.*(\\|\/)/, '')
298 298
299 299 # Finally, replace invalid characters with underscore
300 300 @filename = just_filename.gsub(/[\/\?\%\*\:\|\"\'<>]+/, '_')
301 301 end
302 302
303 303 # Returns the subdirectory in which the attachment will be saved
304 304 def target_directory
305 305 time = created_on || DateTime.now
306 306 time.strftime("%Y/%m")
307 307 end
308 308
309 309 # Returns an ASCII or hashed filename that do not
310 310 # exists yet in the given subdirectory
311 311 def self.disk_filename(filename, directory=nil)
312 312 timestamp = DateTime.now.strftime("%y%m%d%H%M%S")
313 313 ascii = ''
314 314 if filename =~ %r{^[a-zA-Z0-9_\.\-]*$}
315 315 ascii = filename
316 316 else
317 317 ascii = Digest::MD5.hexdigest(filename)
318 318 # keep the extension if any
319 319 ascii << $1 if filename =~ %r{(\.[a-zA-Z0-9]+)$}
320 320 end
321 321 while File.exist?(File.join(storage_path, directory.to_s, "#{timestamp}_#{ascii}"))
322 322 timestamp.succ!
323 323 end
324 324 "#{timestamp}_#{ascii}"
325 325 end
326 326 end
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