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1 | package Catalyst::Request::Upload; |
2 | |
3 | use strict; |
4 | use base 'Class::Accessor::Fast'; |
5 | |
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6 | use Catalyst::Exception; |
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7 | use File::Copy (); |
8 | use IO::File (); |
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9 | |
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10 | __PACKAGE__->mk_accessors(qw/filename headers size tempname type/); |
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11 | |
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12 | sub new { shift->SUPER::new( ref( $_[0] ) ? $_[0] : {@_} ) } |
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13 | |
14 | =head1 NAME |
15 | |
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16 | Catalyst::Request::Upload - handles file upload requests |
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17 | |
18 | =head1 SYNOPSIS |
19 | |
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20 | $upload->copy_to; |
21 | $upload->fh; |
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22 | $upload->filename; |
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23 | $upload->headers; |
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24 | $upload->link_to; |
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25 | $upload->size; |
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26 | $upload->slurp; |
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27 | $upload->tempname; |
28 | $upload->type; |
29 | |
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30 | To specify where Catalyst should put the temporary files, set the 'uploadtmp' |
31 | option in the Catalyst config. If unset, Catalyst will use the system temp dir. |
32 | |
33 | __PACKAGE__->config( uploadtmp => '/path/to/tmpdir' ); |
34 | |
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35 | It is provided a way to have configurable temporary directory. |
36 | If there is no config uploadtmp, system temprary directory will used. |
37 | |
38 | __PACKAGE__->config( uploadtmp => '/path/to/tmpdir' ); |
39 | |
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40 | See also L<Catalyst>. |
41 | |
42 | =head1 DESCRIPTION |
43 | |
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44 | This class provides accessors and methods to handle client upload requests. |
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45 | |
46 | =head1 METHODS |
47 | |
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48 | =head2 $upload->new |
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49 | |
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50 | Simple constructor. |
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51 | |
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52 | =head2 $upload->copy_to |
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53 | |
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54 | Copies the temporary file using L<File::Copy>. Returns true for success, |
55 | false for failure. |
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56 | |
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57 | $upload->copy_to('/path/to/target'); |
58 | |
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59 | =cut |
60 | |
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61 | sub copy_to { |
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62 | my $self = shift; |
63 | return File::Copy::copy( $self->tempname, @_ ); |
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64 | } |
65 | |
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66 | =head2 $upload->fh |
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67 | |
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68 | Opens a temporary file (see tempname below) and returns an L<IO::File> handle. |
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69 | |
70 | =cut |
71 | |
72 | sub fh { |
73 | my $self = shift; |
74 | |
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75 | my $fh = IO::File->new( $self->tempname, IO::File::O_RDONLY ); |
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76 | |
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77 | unless ( defined $fh ) { |
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78 | |
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79 | my $filename = $self->tempname; |
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80 | |
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81 | Catalyst::Exception->throw( |
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82 | message => qq/Can't open '$filename': '$!'/ ); |
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83 | } |
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84 | |
85 | return $fh; |
86 | } |
87 | |
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88 | =head2 $upload->filename |
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89 | |
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90 | Returns the client-supplied filename. |
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91 | |
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92 | =head2 $upload->headers |
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93 | |
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94 | Returns an L<HTTP::Headers> object for the request. |
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95 | |
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96 | =head2 $upload->link_to |
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97 | |
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98 | Creates a hard link to the temporary file. Returns true for success, |
99 | false for failure. |
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100 | |
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101 | $upload->link_to('/path/to/target'); |
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102 | |
103 | =cut |
104 | |
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105 | sub link_to { |
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106 | my ( $self, $target ) = @_; |
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107 | return CORE::link( $self->tempname, $target ); |
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108 | } |
109 | |
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110 | =head2 $upload->size |
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111 | |
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112 | Returns the size of the uploaded file in bytes. |
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113 | |
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114 | =head2 $upload->slurp |
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115 | |
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116 | Returns a scalar containing the contents of the temporary file. |
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117 | |
118 | =cut |
119 | |
120 | sub slurp { |
121 | my ( $self, $layer ) = @_; |
122 | |
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123 | unless ($layer) { |
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124 | $layer = ':raw'; |
125 | } |
126 | |
127 | my $content = undef; |
128 | my $handle = $self->fh; |
129 | |
130 | binmode( $handle, $layer ); |
131 | |
132 | while ( $handle->sysread( my $buffer, 8192 ) ) { |
133 | $content .= $buffer; |
134 | } |
135 | |
136 | return $content; |
137 | } |
138 | |
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139 | =head2 $upload->tempname |
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140 | |
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141 | Returns the path to the temporary file. |
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142 | |
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143 | =head2 $upload->type |
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144 | |
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145 | Returns the client-supplied Content-Type. |
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146 | |
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147 | =head1 AUTHORS |
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148 | |
149 | Sebastian Riedel, C<sri@cpan.org> |
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150 | |
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151 | Christian Hansen, C<ch@ngmedia.com> |
152 | |
153 | =head1 COPYRIGHT |
154 | |
155 | This program is free software, you can redistribute it and/or modify |
156 | it under the same terms as Perl itself. |
157 | |
158 | =cut |
159 | |
160 | 1; |