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package WWW::SlideShare; |
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22671
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use strict; |
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1
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42
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756
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use Digest::SHA1 qw(sha1_hex); |
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7576
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use LWP::UserAgent; |
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112874
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788
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use WWW::SlideShare::Object; |
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504
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use XML::Parser; |
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0
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use Carp qw(confess); |
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10
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our $AUTOLOAD; |
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our $VERSION='1.01'; |
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use constant { |
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TIMEOUT => 10, |
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BASE_URL => 'http://www.slideshare.net/api/2/', |
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URL => 0, |
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OBJECT_TYPE => 1, |
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}; |
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{ |
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my $ua = LWP::UserAgent->new; |
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$ua->timeout(TIMEOUT); |
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$ua->env_proxy; |
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my %conf = ( |
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'_get_slideshow' => [ 'get_slideshow', 'Slideshow' ], |
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'get_slideshows_by_tag' => [ 'get_slideshows_by_tag', 'Slideshow' ], |
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'get_slideshows_by_group' => [ 'get_slideshows_by_group', 'Slideshow' ], |
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'get_slideshows_by_user' => [ 'get_slideshows_by_user', 'Slideshow' ], |
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'search_slideshows' => [ 'search_slideshows', 'Slideshow' ], |
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'get_user_groups' => [ 'get_user_groups', 'Group' ], |
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'get_user_contacts' => [ 'get_user_contacts', 'Contact' ], |
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'get_user_tags' => [ 'get_user_tags', 'Tag' ], |
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); |
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36
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sub new { |
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my ($class, %params) = @_; |
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my $self = { |
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'_objs' => [], |
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'_objtype' => '', |
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}; |
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$self->{'_api_key'} = $params{'api_key'}; |
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$self->{'_ts'} = time; |
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$self->{'_hash'} = lc(sha1_hex($params{'secret'},$self->{'_ts'})); |
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$self->{'_params'} = "?api_key=$self->{'_api_key'}&ts=$self->{'_ts'}&hash=$self->{'_hash'}"; |
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bless $self, $class; |
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} |
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sub AUTOLOAD { |
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my ($self, $params) = @_; |
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55
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my $name = $AUTOLOAD; |
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$name =~ s/.*://; |
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58
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confess "Method $name not found" unless $conf{$name}; |
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60
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my $query_string = join('&', map { "$_=$params->{$_}" } keys %$params); |
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my $url = BASE_URL.$conf{$name}->[URL].$self->{'_params'}.'&'.$query_string; |
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my $response = $ua->get($url); |
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if ($response->is_success) { |
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my $content = $response->content; |
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my $ref = $self->_parseResponse($content, $conf{$name}->[OBJECT_TYPE]); |
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return $ref; |
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} |
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else { |
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confess "Web Service Error for $url"; |
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} |
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} |
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75
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sub get_slideshow { |
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my ($self, $params) = @_; |
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my $ref = $self->_get_slideshow($params); |
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return $ref->[0]; |
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} |
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sub _parseResponse { |
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my ($self, $xml, $objtype) = @_; |
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if ($xml =~ /serviceerror/i) { |
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confess "SlideShare Service Error $xml"; |
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} |
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$self->{'_objs'} = []; |
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$self->{'_objtype'} = $objtype; |
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my %fields = (); |
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my $last_tag = undef; |
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95
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my $st_sub_ref = sub { |
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my ($obj, $tag) = @_; |
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if ($tag eq $self->{'_objtype'}) { |
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%fields = (); |
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} |
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102
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$last_tag = $tag; |
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}; |
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105
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my $text_handler_ref = sub { |
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$fields{$last_tag} .= $_[1]; |
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}; |
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109
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my $end_sub_ref = sub { |
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my ($obj, $tag) = @_; |
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112
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$fields{$last_tag} =~ s/^\s+//g; |
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delete $fields{''}; |
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115
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while (my ($k, $v) = each %fields) { |
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delete $fields{$k} if ($v eq ''); |
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} |
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119
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if ($tag eq $self->{'_objtype'}) { |
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push @{$self->{'_objs'}}, WWW::SlideShare::Object->new({ %fields }); |
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} |
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}; |
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124
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my $p2 = new XML::Parser(Handlers => { |
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Start => $st_sub_ref, |
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Char => $text_handler_ref, |
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End => $end_sub_ref, |
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}); |
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$p2->parse($xml); |
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131
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return $self->{'_objs'}; |
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} |
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134
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sub DESTROY { } |
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} |
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137
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1; |
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139
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__END__ |