124 lines
3.4 KiB
Perl
124 lines
3.4 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (C) 2001-2023 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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# Filter.pm
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#
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# A function to create a filter script.
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#
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# Synopsis:
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#
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# use Filter ;
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# Filter::create( $path ,
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# {
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# edit => {From=>'EDIT-FROM'} , # add a snippet to edit the envelope-from
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# } ,
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# {
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# unix => [
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# "sleep 1" ,
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# "exit 0" ,
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# ] ,
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# win32 => [
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# '@echo off' ,
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# ]
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# }
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# ) ;
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#
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use strict ;
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use FileHandle ;
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use System ;
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package Filter ;
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sub create
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{
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# Creates a filter script with code to edit an envelope file
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# and/or lines of code as passed in.
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#
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# Eg: Filter::create( "filter" , {os=>unix,edit=>{From=>'FROM',To-Remote=>'TO'}} ) ;
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#
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my ( $path , $opt , $lines_spec ) = @_ ;
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$opt ||= {} ;
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$opt->{os} = "" if ! exists $opt->{os} ;
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# backwards compatiblity for "{edit=>1}"
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if( exists($opt->{edit}) && !ref($opt->{edit}) )
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{
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$opt->{edit} = {From=>'FROM-EDIT'} ;
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}
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System::log_( "creating [$path]" ) ;
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my $fh = new FileHandle( $path , "w" ) or die ;
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if( ($opt->{os} eq "unix") ? 1 : ( ($opt->{os} =~ m/^win/) ? 0 : System::unix() ) )
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{
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print $fh "#!/bin/sh\n" ;
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print $fh 'content="$1"' , "\n" ;
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print $fh 'envelope="$2"' , "\n" ;
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if( defined($opt->{edit}) )
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{
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print $fh 'umask 0117' , "\n" ;
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print $fh 'set -e' , "\n" ;
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print $fh 'sed -E' ;
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for my $field ( keys %{$opt->{edit}} )
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{
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my $value = $opt->{edit}->{$field} ;
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print $fh ' -e \'s/^(X-MailRelay-'.$field.':) ([^\r]*)(.*)$/\1 '.$value.'\3/\''
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}
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print $fh ' "$envelope" > "$envelope.edit"' , "\n" ;
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print $fh 'mv -f "$envelope.edit" "$envelope"' , "\n" ;
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}
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for my $line ( @{$lines_spec->{unix}} )
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{
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print $fh $line , "\n" ;
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}
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$fh->close() or die ;
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system( "chmod +x \"$path\"" ) == 0 or die ;
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}
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else
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{
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print $fh 'var content = WScript.Arguments(0) ;' , "\n" ;
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print $fh 'var envelope = WScript.Arguments(1) ;' , "\n" ;
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if( defined($opt->{edit}) )
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{
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print $fh '{' , "\n" ;
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print $fh ' var fs = WScript.CreateObject( "Scripting.FileSystemObject" ) ;' , "\n" ;
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print $fh ' var ts = fs.OpenTextFile( envelope , 1 , false ) ;' , "\n" ;
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print $fh ' var text = ts.ReadAll() ;' , "\n" ;
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print $fh ' ts.Close() ;' , "\n" ;
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for my $field ( keys %{$opt->{edit}} )
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{
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my $value = $opt->{edit}->{$field} ;
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print $fh ' var re = new RegExp( "^X-MailRelay-'.$field.': (\\\\S*)" , "m" ) ;' , "\n" ;
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print $fh ' text = text.replace( re , "X-MailRelay-'.$field.': '.$value.'" ) ;' , "\n" ;
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}
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print $fh ' var ts = fs.OpenTextFile( envelope , 2 , false ) ;' , "\n" ;
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print $fh ' ts.Write( text ) ;' , "\n" ;
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print $fh ' ts.Close() ;' , "\n" ;
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print $fh '}' , "\n" ;
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}
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for my $line ( @{$lines_spec->{win32}} )
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{
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print $fh $line , "\n" ;
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}
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$fh->close() or die ;
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}
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}
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1 ;
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