129 lines
2.7 KiB
Perl
129 lines
2.7 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (C) 2001-2018 Graeme Walker <graeme_walker@users.sourceforge.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# ===
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#
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# PopClient.pm
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#
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# A network client for driving the pop interface.
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#
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# Synopsis:
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#
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# my $pc = new PopClient( 10101 , "localhost" ) ;
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# $pc->open() ;
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# $pc->login("me","secret") ;
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# my @list = $pc->list() ;
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# $pc->disconnect() ;
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#
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use strict ;
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use FileHandle ;
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use Net::Telnet ;
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package PopClient ;
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sub new
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{
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my ( $classname , $port , $server ) = @_ ;
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$server = defined($server) ? $server : "localhost" ;
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$port = defined($port) ? $port : 10110 ;
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my $timeout = 10 ;
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my $t = new Net::Telnet( Timeout=>$timeout , Prompt=>'/\+OK[^\r\n]*/' ) ;
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$t->binmode(0) ; # convert to '\r\n' on output
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#$t->max_buffer_length(1000000*10) ; # allow for long message listings
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my %me = (
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m_port => $port ,
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m_server => $server ,
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m_t => $t ,
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) ;
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return bless \%me , $classname ;
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}
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sub open
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{
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my ( $this , $wait ) = @_ ;
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$wait = defined($wait) ? $wait : 1 ;
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my $t = $this->t() ;
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my $ok = $t->open( Host=>$this->server() , Port=>$this->port() ) ;
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my ($s1,$s2) = $t->waitfor( '/\+OK[^\r\n]*/' ) if $wait ;
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return $ok ;
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}
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sub port { return shift->{'m_port'} }
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sub server { return shift->{'m_server'} }
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sub t { return shift->{'m_t'} }
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sub login
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{
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my ( $this , $name , $pwd ) = @_ ;
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my $t = $this->t() ;
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$t->cmd( "user $name" ) ;
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$t->cmd( "pass $pwd" ) ; # allow for slow directory locking
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return 1 ;
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}
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sub list
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{
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my ( $this , $read_slowly , $timeout ) = @_ ;
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my $t = $this->t() ;
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$t->cmd( "list" ) ;
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my $result = "" ;
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if( $read_slowly )
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{
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while(1)
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{
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my ($s1,$s2) = $t->waitfor( Match => '/[ \.]/' , Timeout => $timeout ) ;
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if( $s2 eq " " )
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{
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#print STDERR "++ [$s1]\n" ;
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System::sleep_cs( 1 ) ;
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$result .= $s1 ;
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$result .= $s2 ;
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}
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else
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{
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$result .= $s1 ;
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last ;
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}
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}
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}
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else
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{
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my ($s1,$s2) = $t->waitfor( Match => '/\./' , Timeout => $timeout ) ;
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#print STDERR "++ [$s1]\n" ;
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$result = $s1 ;
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}
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my @list = split("\n",$result) ;
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if( scalar(@list) && $list[0] eq "" )
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{
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shift @list ;
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}
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return @list ;
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}
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sub disconnect
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{
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my ( $this ) = @_ ;
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my $t = $this->t() ;
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$t->close() ;
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}
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1 ;
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