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#!/usr/bin/perl -w |
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package MWS; |
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use strict; |
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use warnings; |
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use Carp; |
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use Mail::Box::Manager; |
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use Config::IniFiles; |
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use POSIX qw(strftime); |
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use Text::Autoformat; |
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#use MWS_plucene; |
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use MWS_swish; |
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require Exporter; |
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our @ISA = qw(Exporter); |
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our %EXPORT_TAGS = (); |
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our @EXPORT_OK; |
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our @EXPORT; |
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our $VERSION = '1.00'; |
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my $folder; # placeholder for folders |
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my $debug = 2; |
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sub new { |
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my $class = shift; |
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my $self = {}; |
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bless($self, $class); |
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my $config_file = shift || die "need index file"; |
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$self->{config} = new Config::IniFiles( -file => $config_file ); |
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my $index_file = $self->{config}->val('global', 'index') || croak "can't find [index] section in config file with path of index"; |
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$self->{mgr} = Mail::Box::Manager->new(access => 'r'); |
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$self->{index_file} = $index_file; |
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# placeholder for opened folders |
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$self->{folder} = {}; |
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$self->{wrap_margin} = $self->{config}->val('global', 'wrap_margin'); |
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return $self; |
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} |
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sub mbox_name2path { |
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my $self = shift; |
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my $mbox = shift || croak "folder_name2path needs mbox name"; |
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return $self->{config}->val('folders', $mbox) || croak "comeone removed folder $mbox from config?"; |
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} |
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sub open_folder { |
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my $self = shift; |
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my $mbox = shift || croak "open_folder needs mbox name"; |
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if (! $self->{folder}->{$mbox}) { |
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my $mbox_path = $self->mbox_name2path($mbox); |
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print STDERR "about to open_folder($mbox)\n" if ($debug == 2); |
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$self->{folder}->{$mbox} = $self->{mgr}->open($mbox_path) || croak "can't open folder $mbox at '$mbox_path': $!"; |
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print STDERR "open_folder($mbox) ok\n" if ($debug); |
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} |
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return $self->{folder}->{$mbox}; |
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} |
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sub close_folder { |
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my $self = shift; |
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my $mbox = shift || croak "open_folder needs mbox name"; |
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return $self->{folder}->{$mbox}->close(write => 'NEVER'); |
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} |
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sub fetch_message { |
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my $self = shift; |
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my $mbox_id = shift || die "need mbox_id!"; |
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my ($mbox,$id) = split(/ /,$mbox_id); |
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# return message with ID |
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print STDERR "fetch $id from $mbox\n" if ($debug); |
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return $self->open_folder($mbox)->find($id) || |
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print STDERR "can't find message $id in $mbox. Time to re-index?\n"; |
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} |
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sub search { |
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my $self = shift; |
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my $s = shift || carp "search called without argument!"; |
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print STDERR "search_index($s)\n" if ($debug == 2); |
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my @index_ids = $self->search_index($s); |
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$self->{'index_ids'} = \@index_ids; |
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my $results = $#index_ids + 1; |
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$self->{'results'} = $results; |
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$self->{'curr_result'} = 0; |
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print STDERR "$results results\n" if ($debug == 2); |
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return $results || 'error'; |
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} |
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sub unroll($$$) { |
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my $self = shift; |
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my ($message,$part,$sub) = @_; |
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my @arr; |
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foreach my $from ($message->$part) { |
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my $tmp = $from->$sub; |
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if ($tmp) { |
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$tmp =~ s/^\s*["'](.*)["']\s*$/$1/; |
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push @arr, $tmp; |
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} |
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} |
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return @arr; |
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} |
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sub fetch_all_results { |
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my $self = shift; |
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croak "results called before search!" if (! $self->{'index_ids'}); |
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print STDERR "fetch_all_results [",scalar @{$self->{'index_ids'}},"]\n" if ($debug == 2); |
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my @arr; |
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foreach my $id (@{$self->{'index_ids'}}) { |
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push @arr, $self->fetch_result_by_id($id); |
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} |
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return @arr; |
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} |
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sub fetch_result { |
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my $self = shift; |
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my $args = {@_}; |
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croak "results called before search!" if (! $self->{'index_ids'}); |
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my $curr = $self->{'curr_result'}++; |
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my $id = $self->{'index_ids'}->[$curr]; |
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print STDERR "fetch_result: $curr = $id\n" if ($debug == 2); |
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return $self->fetch_result_by_id($id); |
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} |
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sub plain_text_body { |
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my $self = shift; |
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my $message = shift || croak "plain_text_body needs message!"; |
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my $body; |
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if (! $message->isMultipart) { |
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$body = $message->decoded->string; |
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} else { |
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foreach my $part ($message->parts) { |
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if ($part->body->mimeType eq 'text/plain') { |
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$body = $part->decoded->string; |
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last; |
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} |
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} |
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} |
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# reformat with Text::Autoformat |
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my $wrap = $self->{wrap_margin}; |
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if ($wrap && $body && $body =~ m/^.{$wrap}..*$/m) { |
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$body = autoformat $body; |
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$body .="\n[reformated using autoformat, margin at $wrap]" if ($debug == 2); |
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} |
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return $body; |
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} |
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sub fetch_result_by_id { |
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my $self = shift; |
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my $id = shift || return; |
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my $row = $self->{cache}->{$id}; |
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if (! $row) { |
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print STDERR "fetch_result_by_id($id) not in cache, hitting disk\n" if ($debug == 2); |
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my $message = $self->fetch_message($id) || print STDERR "can't fetch message '$id'"; |
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$row->{'id'} = $id; |
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@{$row->{'from'}} = $self->unroll($message,'from','phrase'); |
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@{$row->{'to'}} = $self->unroll($message,'to','phrase'); |
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@{$row->{'cc'}} = $self->unroll($message,'cc','phrase'); |
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$row->{'subject'} = $message->subject; |
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$row->{'body'} = $self->plain_text_body($message); |
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$row->{'date'} = $message->date; |
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# XXX store in cache? |
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$self->{cache}->{$id} = $row; |
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print STDERR "$id stored in cache\n" if ($debug == 2); |
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} else { |
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print STDERR "fetch_result_by_id($id) in cache\n" if ($debug == 2); |
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} |
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return $row; |
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} |