aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/lib/action_dispatch/http/upload.rb
blob: 61ba052e4586a62834d13ca652214a70f1e70dd1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
module ActionDispatch
  module Http
    # Models uploaded files.
    #
    # The actual file is accessible via the +tempfile+ accessor, though some
    # of its interface is available directly for convenience.
    #
    # Uploaded files are temporary files whose lifespan is one request. When
    # the object is finalized Ruby unlinks the file, so there is no need to
    # clean them with a separate maintenance task.
    class UploadedFile
      # The basename of the file in the client.
      attr_accessor :original_filename

      # A string with the MIME type of the file.
      attr_accessor :content_type

      # A +Tempfile+ object with the actual uploaded file. Note that some of
      # its interface is available directly.
      attr_accessor :tempfile
      alias :to_io :tempfile

      # A string with the headers of the multipart request.
      attr_accessor :headers

      def initialize(hash) # :nodoc:
        @tempfile = hash[:tempfile]
        raise(ArgumentError, ":tempfile is required") unless @tempfile

        @original_filename = hash[:filename]
        if @original_filename
          begin
            @original_filename.encode!(Encoding::UTF_8)
          rescue EncodingError
            @original_filename.force_encoding(Encoding::UTF_8)
          end
        end
        @content_type      = hash[:type]
        @headers           = hash[:head]
      end

      # Shortcut for +tempfile.read+.
      def read(length = nil, buffer = nil)
        @tempfile.read(length, buffer)
      end

      # Shortcut for +tempfile.open+.
      def open
        @tempfile.open
      end

      # Shortcut for +tempfile.close+.
      def close(unlink_now = false)
        @tempfile.close(unlink_now)
      end

      # Shortcut for +tempfile.path+.
      def path
        @tempfile.path
      end

      # Shortcut for +tempfile.rewind+.
      def rewind
        @tempfile.rewind
      end

      # Shortcut for +tempfile.size+.
      def size
        @tempfile.size
      end

      # Shortcut for +tempfile.eof?+.
      def eof?
        @tempfile.eof?
      end
    end
  end
end