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package POE::Component::Client::Pastebot; |
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33308
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use strict; |
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305
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use warnings; |
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2088
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use POE qw(Component::Client::HTTP); |
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use HTTP::Request::Common; |
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use URI; |
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use HTML::TokeParser; |
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use vars qw($VERSION); |
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$VERSION = '1.16'; |
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# Stolen from POE::Wheel. This is static data, shared by all |
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my $current_id = 0; |
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my %active_identifiers; |
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sub _allocate_identifier { |
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while (1) { |
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last unless exists $active_identifiers{ ++$current_id }; |
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} |
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return $active_identifiers{$current_id} = $current_id; |
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} |
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sub _free_identifier { |
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my $id = shift; |
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delete $active_identifiers{$id}; |
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} |
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sub spawn { |
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my $package = shift; |
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my %opts = @_; |
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$opts{lc $_} = delete $opts{$_} for keys %opts; |
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my $options = delete $opts{options}; |
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my $self = bless \%opts, $package; |
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$self->{session_id} = POE::Session->create( |
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object_states => [ |
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$self => { shutdown => '_shutdown', |
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paste => '_command', |
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fetch => '_command', |
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}, |
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$self => [ qw(_start _dispatch _http_request _http_response) ], |
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], |
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heap => $self, |
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( ref($options) eq 'HASH' ? ( options => $options ) : () ), |
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)->ID(); |
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return $self; |
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} |
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sub session_id { |
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return $_[0]->{session_id}; |
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} |
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53
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sub shutdown { |
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my $self = shift; |
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$poe_kernel->post( $self->{session_id}, 'shutdown' ); |
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} |
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sub _start { |
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my ($kernel,$self) = @_[KERNEL,OBJECT]; |
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$self->{session_id} = $_[SESSION]->ID(); |
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if ( $self->{alias} ) { |
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$kernel->alias_set( $self->{alias} ); |
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} |
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else { |
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$kernel->refcount_increment( $self->{session_id} => __PACKAGE__ ); |
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} |
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$self->{_httpc} = 'httpc-' . $self->{session_id}; |
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POE::Component::Client::HTTP->spawn( |
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Alias => $self->{_httpc}, |
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FollowRedirects => 2, |
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); |
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undef; |
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} |
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75
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sub _shutdown { |
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my ($kernel,$self) = @_[KERNEL,OBJECT]; |
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$kernel->alias_remove( $_ ) for $kernel->alias_list(); |
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$kernel->refcount_decrement( $self->{session_id} => __PACKAGE__ ) unless $self->{alias}; |
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$self->{_shutdown} = 1; |
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$kernel->post( $self->{_httpc}, 'shutdown' ); |
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undef; |
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} |
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84
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sub _dispatch { |
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my ($kernel,$self,$input) = @_[KERNEL,OBJECT,ARG0]; |
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my $session = delete $input->{sender}; |
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my $event = delete $input->{event}; |
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$kernel->post( $session, $event, $input ); |
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$kernel->refcount_decrement( $session => __PACKAGE__ ); |
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undef; |
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} |
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93
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sub _command { |
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my ($kernel,$self,$state) = @_[KERNEL,OBJECT,STATE]; |
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my $sender = $_[SENDER]->ID(); |
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return if $self->{_shutdown}; |
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my $args; |
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if ( ref( $_[ARG0] ) eq 'HASH' ) { |
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$args = { %{ $_[ARG0] } }; |
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} else { |
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$args = { @_[ARG0..$#_] }; |
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} |
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104
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$args->{lc $_} = delete $args->{$_} for grep { $_ !~ /^_/ } keys %{ $args }; |
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106
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unless ( $args->{event} ) { |
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warn "No 'event' specified for $state"; |
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return; |
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} |
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111
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unless ( $args->{url} ) { |
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warn "No 'url' specified for $state"; |
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return; |
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} |
115
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116
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if ( $state eq 'paste' and !$args->{paste} ) { |
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warn "No 'paste' specified for paste"; |
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return; |
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} |
120
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121
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if ( $state eq 'paste' and ref ( $args->{paste} ) eq 'ARRAY' ) { |
122
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my $paste = delete $args->{paste}; |
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$args->{paste} = join "\n", @{ $paste }; |
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} |
125
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126
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$args->{sender} = $sender; |
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$args->{command} = $state; |
128
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$kernel->refcount_increment( $sender => __PACKAGE__ ); |
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$kernel->yield( '_http_request', $args ); |
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undef; |
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} |
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133
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sub _http_request { |
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my ($kernel,$self,$req) = @_[KERNEL,OBJECT,ARG0]; |
135
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if ( $req->{command} eq 'paste' ) { |
136
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my $url = |
137
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URI->new( |
138
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$req->{'url'} . ( ( $req->{'url'} !~ m,/$, ) ? '/' : '' ) . 'paste' ) |
139
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->canonical; |
140
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unless ( defined $url ) { |
141
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$req->{error} = "could not determine url from $req->{url}"; |
142
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$kernel->yield( '_dispatch', $req ); |
143
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} |
144
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else { |
145
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$req->{'channel'} =~ s/^/#/ if $req->{'channel'} and $req->{'channel'} !~ /^#/; |
146
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my %postargs = map { |
147
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( defined $req->{$_} and $req->{$_} ne '' ) |
148
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? ( $_ => $req->{$_} ) |
149
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: () |
150
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} qw(channel nick summary); |
151
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$postargs{'paste'} = $req->{paste}; |
152
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my $id = _allocate_identifier(); |
153
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$self->{_requests}->{ $id } = $req; |
154
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$kernel->post( |
155
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$self->{_httpc}, |
156
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'request', |
157
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'_http_response', |
158
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POST( $url, \%postargs ), |
159
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"$id", |
160
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); |
161
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} |
162
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return; |
163
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} |
164
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if ( $req->{command} eq 'fetch' ) { |
165
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my $url; |
166
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my $urltmp = URI->new( $req->{url} . ( ( $req->{url} !~ m,\?tx=on$, ) ? '?tx=on' : '' ) ); |
167
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if ( defined $urltmp and defined $urltmp->scheme and $urltmp->scheme =~ /http/ ) { |
168
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$url = $urltmp->canonical; |
169
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my $id = _allocate_identifier(); |
170
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$self->{_requests}->{ $id } = $req; |
171
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$kernel->post( |
172
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$self->{_httpc}, |
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'request', |
174
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'_http_response', |
175
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GET( $url ), |
176
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"$id", |
177
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); |
178
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} |
179
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else { |
180
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$req->{error} = 'problem with url provided'; |
181
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$kernel->yield( '_dispatch', $req ); |
182
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} |
183
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return; |
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} |
185
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return; |
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} |
187
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188
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sub _http_response { |
189
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my ($kernel,$self,$request_packet,$response_packet) = @_[KERNEL,OBJECT,ARG0,ARG1]; |
190
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my $id = $request_packet->[1]; |
191
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my $req = delete $self->{_requests}->{ $id }; |
192
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_free_identifier( $id ); |
193
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my $response = $response_packet->[0]; |
194
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$req->{response} = $response; |
195
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unless ( $response->is_success ) { |
196
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if ( $response->is_error ) { |
197
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$req->{error} = $response->as_string; |
198
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} |
199
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else { |
200
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$req->{error} = 'unknown error'; |
201
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} |
202
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} |
203
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else { |
204
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if ( $req->{command} eq 'paste' and $response->content ) { |
205
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my $p = HTML::TokeParser->new( \$response->content ); |
206
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$p->get_tag('a'); |
207
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$req->{pastelink} = $p->get_text('/a'); |
208
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} |
209
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if ( $req->{command} eq 'fetch' and $response->content ) { |
210
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$req->{content} = $response->content; |
211
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} |
212
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} |
213
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$kernel->yield( '_dispatch', $req ); |
214
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return; |
215
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} |
216
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217
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'Paste and cut'; |
218
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__END__ |