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package Dancer::Session::YAML; |
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our $AUTHORITY = 'cpan:SUKRIA'; |
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#ABSTRACT: YAML-file-based session backend for Dancer |
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$Dancer::Session::YAML::VERSION = '1.3514_04'; # TRIAL |
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$Dancer::Session::YAML::VERSION = '1.351404'; |
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4353
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use strict; |
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use warnings; |
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use Carp; |
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use base 'Dancer::Session::Abstract'; |
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1246
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use Dancer::Logger; |
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use Dancer::ModuleLoader; |
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use Dancer::Config 'setting'; |
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use Dancer::FileUtils qw(path atomic_write); |
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use Dancer::Exception qw(:all); |
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1846
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# static |
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my %session_dir_initialized; |
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sub init { |
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my $self = shift; |
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$self->SUPER::init(@_); |
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100
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if (!keys %session_dir_initialized) { |
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raise core_session => "YAML is needed and is not installed" |
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unless Dancer::ModuleLoader->load('YAML'); |
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} |
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# default value for session_dir |
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setting('session_dir' => path(setting('appdir'), 'sessions')) |
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if not defined setting('session_dir'); |
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my $session_dir = setting('session_dir'); |
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100
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if (! exists $session_dir_initialized{$session_dir}) { |
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$session_dir_initialized{$session_dir} = 1; |
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# make sure session_dir exists |
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2
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if (!-d $session_dir) { |
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2
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mkdir $session_dir |
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or raise core_session => "session_dir $session_dir cannot be created"; |
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} |
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2
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Dancer::Logger::core("session_dir : $session_dir"); |
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} |
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} |
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# create a new session and return the newborn object |
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# representing that session |
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sub create { |
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1
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my ($class) = @_; |
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3
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my $self = Dancer::Session::YAML->new; |
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3
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$self->flush; |
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2
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return $self; |
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} |
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# deletes the dir cache |
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sub reset { |
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1
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1
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1
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1023
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my ($class) = @_; |
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1
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4
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%session_dir_initialized = (); |
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} |
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# Return the session object corresponding to the given id |
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sub retrieve { |
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6
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6
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1
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my ($class, $id) = @_; |
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66
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6
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50
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unless( $id =~ /^[\da-z]+$/i ) { |
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0
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0
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warn "session id '$id' contains illegal characters\n"; |
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0
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0
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return; |
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} |
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71
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6
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my $session_file = yaml_file($id); |
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73
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6
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100
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100
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return unless defined $session_file && -f $session_file; |
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75
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4
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130
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open my $fh, '+<', $session_file or die "Can't open '$session_file': $!\n"; |
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4
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18
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my $content = YAML::LoadFile($fh); |
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4
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50
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13301
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close $fh or die "Can't close '$session_file': $!\n"; |
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79
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4
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66
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return bless $content => ref($class) || $class; |
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} |
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82
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# instance |
83
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84
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sub yaml_file { |
85
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19
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19
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979
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my $id = shift; |
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87
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# Untaint Session ID before using it in file actions |
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# required when running under Perl Taint mode |
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19
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$id =~ m/^([\d]*)$/; |
90
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19
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100
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return unless $1; |
91
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18
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41
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my $yaml_file = "$1.yml"; |
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93
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18
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return path(setting('session_dir'), $yaml_file); |
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} |
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96
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sub destroy { |
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1
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1
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1
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8
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my ($self) = @_; |
98
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3
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3
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22
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use Dancer::Logger; |
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3
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6
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3
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379
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99
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1
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4
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Dancer::Logger::core( |
100
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"trying to remove session file: " . yaml_file($self->id)); |
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1
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50
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13
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unlink yaml_file($self->id) if -f yaml_file($self->id); |
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} |
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104
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sub flush { |
105
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4
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4
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1
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650
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my $self = shift; |
106
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4
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12
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my $session_file = yaml_file( $self->id ); |
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108
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4
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11
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atomic_write( setting('session_dir'), yaml_file($self->id), YAML::Dump($self) ); |
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110
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3
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50
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return $self; |
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} |
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113
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1; |
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115
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__END__ |