Add 'Randomize Filename' option. #452

src/General/Config.coffee

@@ -431,6 +431,11 @@ Config =
         'Remember the spoiler state, instead of resetting after posting.'
         1
       ]
+      'Randomize Filename': [
+        false
+        'Set the filename to a random timestamp within the past year. Disabled on /f/.'
+        1
+      ]
       'Show New Thread Option in Threads': [
         false
         'Show the option to post a new / different thread from inside a thread.'

src/Posting/QR.coffee

@@ -10,6 +10,15 @@ QR =
     'swf':  'application/vnd.adobe.flash.movie'
     'webm': 'video/webm'
 
+  extensionFromType:
+    'image/jpeg': 'jpg'
+    'image/png': 'png'
+    'image/gif': 'gif'
+    'application/pdf': 'pdf'
+    'application/vnd.adobe.flash.movie': 'swf'
+    'application/x-shockwave-flash': 'swf'
+    'video/webm': 'webm'
+
   init: ->
     return unless Conf['Quick Reply']
 

src/Posting/QR.post.coffee

@@ -179,7 +179,10 @@ QR.post = class
     return
 
   setFile: (@file) ->
-    @filename = @file.name
+    @filename = if Conf['Randomize Filename'] and g.BOARD.ID isnt 'f'
+      "#{Date.now() - Math.floor(Math.random() * 365 * $.DAY)}.#{QR.extensionFromType[@file.type] or 'jpg'}"
+    else
+      @file.name
     @filesize = $.bytesToString @file.size
     @checkSize()
     @nodes.label.hidden = false if QR.spoiler