602 lines
19 KiB
Perl
Executable file
602 lines
19 KiB
Perl
Executable file
#!/usr/bin/perl -w
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###############################################################################
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# UseVoteGer 4.12 Wahldurchfuehrung
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# (c) 2001-2014 Marc Langer <uv@marclanger.de>
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#
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# This script package is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Public License as published by the
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# Free Software Foundation.
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#
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# The script reads usenet vote ballots from mailbox files. The format
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# can be set by changing the option "mailstart".
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#
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# Many thanks to:
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# - Ron Dippold (Usevote 3.0, 1993/94)
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# - Frederik Ramm (German translation, 1994)
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# - Wolfgang Behrens (UseVoteGer 3.1, based on Frederik's translation, 1998/99)
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# - Cornell Binder for some good advice and code fragments
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#
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# This is a complete rewrite of UseVoteGer 3.1 in Perl (former versions were
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# written in C). Not all functions of Usevote/UseVoteGer 3.x are implemented!
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###############################################################################
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use strict;
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use Getopt::Long;
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use Text::Wrap qw(wrap $columns);
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use FindBin qw($Bin);
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use lib $Bin;
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use UVconfig;
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use UVmenu;
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use UVmessage;
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use UVreadmail;
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use UVsendmail;
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use UVrules;
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use UVtemplate;
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my $clean = 0;
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my %opt_ctl = ();
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print "\n$usevote_version Wahldurchfuehrung - (c) 2001-2005 Marc Langer\n\n";
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# unknown parameters remain in @ARGV (for "help")
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Getopt::Long::Configure(qw(pass_through bundling));
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# Put known parameters in %opt_ctl
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GetOptions(\%opt_ctl, qw(test t config-file=s c=s));
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# Get name auf config file (default: usevote.cfg) and read it
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my $cfgfile = $opt_ctl{'config-file'} || $opt_ctl{c} || "usevote.cfg";
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# test mode? (default: no)
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my $test_only = $opt_ctl{test} || $opt_ctl{t} || 0;
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if (@ARGV){
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# additional parameters passed
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if ($ARGV[0] eq "clean") {
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$clean = 1;
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} else {
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# print help and exit program
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help();
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}
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}
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UVconfig::read_config($cfgfile, 1); # read config file, redirect errors to log
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UVrules::read_rulefile(); # read rules from file
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# read list of suspicious mail addresses from file
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my @bad_addr = UVconfig::read_badaddr();
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# option -t used?
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if ($test_only) {
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UVconfig::test_config();
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exit 0;
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}
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# check for lock file
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if (-e $config{lockfile}) {
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my $lockfile = $config{lockfile};
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# don't delete lockfile in END block ;-)
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$config{lockfile} = '';
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# exit
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die UVmessage::get("ERR_LOCK", (FILE=>$lockfile)) . "\n\n";
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}
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# safe exit (delete lockfile)
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$SIG{QUIT} = 'sighandler';
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$SIG{INT} = 'sighandler';
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$SIG{KILL} = 'sighandler';
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$SIG{TERM} = 'sighandler';
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$SIG{HUP} = 'sighandler';
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# create lock file
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open (LOCKFILE, ">$config{lockfile}");
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close (LOCKFILE);
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# Set columns for Text::Wrap
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$columns = $config{rightmargin};
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# check for tmp and archive directory
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unless (-d $config{archivedir}) {
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mkdir ($config{archivedir}, 0700)
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or die UVmessage::get("ERR_MKDIR", (DIR=>$config{archivedir})) . "$!\n\n";
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}
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unless (-d $config{tmpdir}) {
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mkdir ($config{tmpdir}, 0700)
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or die UVmessage::get("ERR_MKDIR", (DIR=>$config{tmpdir})) . "$!\n\n";
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}
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if ($clean) {
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# Program has been startet with "clean" option:
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# save votes and send out acknowledge mails
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make_clean();
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} else {
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# normal processing
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# generate file names for result file
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# normally unixtime is sufficient, if it is not unique append our PID
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my $ext = time;
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opendir (TMP, $config{tmpdir});
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my @tmpfiles = readdir (TMP);
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closedir (TMP);
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opendir (FERTIG, $config{archivedir});
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my @fertigfiles = readdir (FERTIG);
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closedir (FERTIG);
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# append PID if necessary
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$ext .= "-$$" if (grep (/$ext/, @tmpfiles) || grep (/$ext/, @fertigfiles));
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my $thisresult = "ergebnis-" . $ext;
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my $thisvotes = "stimmen-" . $ext;
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# open results file
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open (RESULT, ">>$config{tmpdir}/$thisresult")
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or die UVmessage::get("VOTE_WRITE_RESULTS", (FILE=>$thisresult)) . "\n\n";
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# read votes and process them
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# for each mail pass a reference to the sub to be called
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my $count = UVreadmail::process("$config{tmpdir}/$thisvotes", \&process_vote, 0);
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close (RESULT)
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or print STDERR UVmessage::get("VOTE_CLOSE_RESULTS", (FILE=>$thisresult)) . "\n";
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# no mails: exit here
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unless ($count) {
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print UVmessage::get("VOTE_NO_VOTEMAILS") . "\n\n";
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exit 0;
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}
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if ($config{onestep}) {
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# everything should be done in one step
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print "\n" . UVmessage::get("VOTE_NUM_VOTES", (COUNT=>$count)) . "\n";
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make_clean();
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} else {
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print "\n", UVmessage::get("VOTE_NOT_SAVED", (COUNT=>$count)), "\n",
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wrap('', '', UVmessage::get("VOTE_FIRSTRUN")), "\n\n";
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}
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}
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exit 0;
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END {
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close (STDERR);
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# delete lockfile
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unlink $config{lockfile} if ($config{lockfile});
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if (-s $config{errorfile}) {
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# errors ocurred
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print '*' x $config{rightmargin}, "\n",
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UVmessage::get("VOTE_ERRORS",(FILE => $config{errorfile})), "\n",
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'*' x $config{rightmargin}, "\n\n";
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open (ERRFILE, "<$config{errorfile}");
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print <ERRFILE>;
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close (ERRFILE);
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print "\n";
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} else {
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unlink ($config{errorfile});
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}
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}
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sub sighandler {
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my ($sig) = @_;
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die "\n\nSIG$sig: deleting lockfile and exiting\n\n";
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}
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##############################################################################
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# Evaluation of a vote mail #
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# Called from UVreadmail::process() for each mail. #
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# Parameters: voter address and name, date header of the vote mail (strings) #
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# complete header (reference to array), body (ref. to strings) #
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##############################################################################
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sub process_vote {
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my ($voter_addr, $voter_name, $h_date, $entity, $body) = @_;
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my @header = split(/\n/, $entity->stringify_header);
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my $head = $entity->head;
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my $msgid = $head->get('Message-ID');
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chomp($msgid) if ($msgid);
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my @votes = (); # the votes
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my @set; # interactively changed fields
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my @errors = (); # recognized errors (show menu for manual action)
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my $onevote = 0; # 0=no votes, 1=everything OK, 2=vote cancelled
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my $voteerror = ""; # error message in case of invalid vote
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my $ballot_id = ""; # ballot id (German: Wahlscheinkennung)
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my $voting = ""; # voting (should be votename)
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# found address?
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if ($voter_addr) {
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# search for suspicious addresses
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foreach my $element (@bad_addr) {
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if ($voter_addr =~ /^$element/) {
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push (@errors, 'SuspiciousAccount');
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last;
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}
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}
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} else {
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# found no address in mail (perhaps violates RFC?)
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push (@errors, 'InvalidAddress');
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}
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# correct voting?
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if ($$body =~ /\Q$config{ballotintro}\E\s+(.+?)\s*\n([>:|]*?[\t ]+(\S+.+)\s*$)?/m) {
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$voting = $1;
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$voting .= " $3" if (defined($3) and $3 !~ /\Q$config{nametext}\E/);
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push (@errors, 'WrongVoting') if ($config{votename} !~ /^\s*\Q$voting\E\s*$/);
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} else {
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push (@errors, 'NoVoting');
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}
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# personalized ballots?
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if ($config{personal}) {
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if ($$body =~ /$config{ballotidtext}\s+([a-z0-9]+)/) {
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$ballot_id = $1;
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# Address registered? ($ids is set in UVconfig.pm)
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if ($ids{$voter_addr}) {
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push (@errors, 'WrongBallotID') if ($ids{$voter_addr} ne $ballot_id);
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} else {
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push (@errors, 'AddressNotRegistered');
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}
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} else {
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push (@errors, 'NoBallotID');
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}
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}
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# evaluate vote strings
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for (my $n=0; $n<@groups; $n++) {
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# counter starts at 1 in ballot
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my $votenum = $n+1;
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my $vote = "";
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# a line looks like this: #1 [ VOTE ] Group
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# matching only on number and vote, because of line breaks likely
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# inserted by mail programs
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# duplicate vote?
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if ($$body =~ /#$votenum\W*?\[\s*?(\w+)\s*?\].+?#$votenum\W*?\[\s*?(\w+)\s*?\]/s) {
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push (@errors, "DuplicateVote") if ($1 ne $2);
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}
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# this matches on a single appearance:
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if ($$body =~ /#$votenum\W*?\[(.+)\]/) {
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# one or more vote strings were found
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$onevote ||= 1; # set $onevote to 1 if it was 0
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my $votestring = $1;
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if ($votestring =~ /^\W*$config{ja_stimme}\W*$/i) {
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$vote = "J";
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} elsif ($votestring =~ /^\W*$config{nein_stimme}\W*$/i) {
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$vote = "N";
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} elsif ($votestring =~ /^\W*$config{enth_stimme}\W*$/i) {
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$vote = "E";
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} elsif ($votestring =~ /^\s*$/) {
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# nothing has been entered between the [ ]
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$vote = "E";
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} elsif ($votestring =~ /^\W*$config{ann_stimme}\W*$/i) {
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$vote = "A";
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$onevote = 2; # Cancelled vote: set $onevote to 2
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} elsif (!$votes[$n]) {
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# vote not recognized
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$vote = "E";
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push (@errors, 'UnrecognizedVote #' . $votenum . "#$votestring");
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}
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push (@votes, $vote);
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} else {
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# vote not found
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push (@votes, 'E');
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push (@errors, 'UnrecognizedVote #' . $votenum . '#(keine Stimmabgabe fuer "'
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. $groups[$n] . '" gefunden)');
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}
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}
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if ($onevote == 0) {
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push (@errors, "NoVote") unless ($onevote);
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} elsif ($onevote == 1) {
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# check rules
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my $rule = UVrules::rule_check(\@votes);
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push (@errors, "ViolatedRule #$rule") if ($rule);
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} else {
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# cancelled vote: replace all votes with an A
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@votes = split(//, 'A' x scalar @votes);
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}
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# Evaluate Data Protection Law clause (not on cancelled votes)
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if ($config{bdsg} && $onevote<2) {
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# Text in ballot complete and clause accepted?
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# Should read like this: #a [ STIMME ] Text
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# (Text is configurable in usevote.cfg)
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unless ($$body =~ /$bdsg_regexp/s &&
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$$body =~ /#a\W*?\[\W*?$config{bdsg_confirm}\W*?\]\W*?$bdsg2_regexp/is) {
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push (@errors, 'InvalidBDSG');
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}
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}
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# Name in body?
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if ($$body =~ /($config{nametext}|$config{nametext2})( |\t)*(\S.+?)$/m) {
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$voter_name = $3;
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$voter_name =~ s/^\s+//; # strip leading spaces
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$voter_name =~ s/\s+$//; # strip trailing spaces
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}
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if ($voter_name) {
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# Name invalid?
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push (@errors, 'InvalidName') unless ($voter_name =~ /$config{name_re}/);
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} else {
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# no name found:
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push (@errors, 'NoName') unless ($voter_name);
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}
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# Errors encountered?
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if (@errors) {
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my $res = UVmenu::menu(\@votes, \@header, $body, \$voter_addr, \$voter_name,
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\$ballot_id, \$voting, \@set, \@errors);
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return 0 if ($res eq 'i'); # "Ignore": Ignore vote, don't save
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my $tpl;
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# Check Ballot ID stuff
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if ($config{personal}) {
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if ($ballot_id) {
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if ($ids{$voter_addr}) {
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if ($ids{$voter_addr} ne $ballot_id) {
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$voteerror = UVmessage::get("VOTE_INVALID_BALLOTID");
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$tpl = $config{tpl_wrong_ballotid};
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}
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} else {
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$voteerror = UVmessage::get("VOTE_UNREGISTERED_ADDRESS");
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$tpl = $config{tpl_addr_reg};
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}
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} else {
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$voteerror = UVmessage::get("VOTE_MISSING_BALLOTID");
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$tpl = $config{tpl_no_ballotid};
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}
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# generate error mail (if error occurred)
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if ($tpl) {
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my $template = UVtemplate->new();
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$template->setKey('head' => $entity->stringify_header);
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($tpl);
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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}
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}
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}
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# Check rules and send error mail unless rule violation was ignored in the use menu
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# or another error was detected
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if (grep(/ViolatedRule/, @errors) && !$voteerror && (my $rule = UVrules::rule_check(\@votes))) {
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$voteerror = UVmessage::get("VOTE_VIOLATED_RULE", (RULE=>$rule));
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my $template = UVtemplate->new();
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$template->setKey('body' => $$body);
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$template->setKey('rules' => UVrules::rule_print($rule-1));
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my $msg = $template->processTemplate($config{tpl_rule_violated});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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}
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if (!$voteerror && @errors) {
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# turn errors array into hash
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my %error;
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foreach my $error (@errors) {
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$error{$error} = 1;
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}
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# Check uncorrected errors
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if ($error{InvalidBDSG}) {
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my $template = UVtemplate->new();
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my $msg = $template->processTemplate($config{tpl_bdsg_error});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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return 0;
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} elsif ($error{NoVoting} or $error{WrongVoting}) {
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$voteerror = UVmessage::get("VOTE_WRONG_VOTING");
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my $template = UVtemplate->new();
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_wrong_voting});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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} elsif ($error{NoVote}) {
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$voteerror = UVmessage::get("VOTE_NO_VOTES");
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my $template = UVtemplate->new();
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_no_votes});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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} elsif ($error{SuspiciousAccount}) {
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$voteerror = UVmessage::get("VOTE_INVALID_ACCOUNT");
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my $template = UVtemplate->new();
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$template->setKey('head' => $entity->stringify_header);
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_invalid_account});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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} elsif ($error{InvalidAddress}) {
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$voteerror = UVmessage::get("VOTE_INVALID_ADDRESS");
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} elsif ($error{InvalidName}) {
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$voteerror = UVmessage::get("VOTE_INVALID_REALNAME");
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my $template = UVtemplate->new();
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$template->setKey('head' => $entity->stringify_header);
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_invalid_name});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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} elsif ($error{DuplicateVote}) {
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$voteerror = UVmessage::get("VOTE_DUPLICATES");
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my $template = UVtemplate->new();
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$template->setKey('head' => $entity->stringify_header);
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_multiple_votes});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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}
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}
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# check voter name
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unless ($voter_name || $voteerror) {
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$voteerror = UVmessage::get("VOTE_MISSING_NAME");
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my $template = UVtemplate->new();
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$template->setKey('head' => $entity->stringify_header);
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$template->setKey('body' => $$body);
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my $msg = $template->processTemplate($config{tpl_invalid_name});
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UVsendmail::mail($voter_addr, "Fehler", $msg, $msgid) if ($config{voteack});
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}
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# set mark for cancelled vote
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$onevote = 2 if ($votes[0] eq 'A');
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# create comment line for result file
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my $comment;
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if ($config{personal}) {
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# Personalized Ballots: insert ballot id
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$comment = "($ballot_id)";
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} else {
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$comment = "()";
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}
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if (@set) {
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$comment .= ' '.UVmessage::get("VOTE_FILE_COMMENT", (FIELDS => join(', ', @set)));
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}
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# write result file
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print RESULT "A: $voter_addr\n";
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print RESULT "N: $voter_name\n";
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print RESULT "D: $h_date\n";
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print RESULT "K: $comment\n";
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# invalid vote?
|
|
if ($voteerror) {
|
|
print RESULT "S: ! $voteerror\n";
|
|
|
|
# cancelled vote?
|
|
} elsif ($onevote == 2) {
|
|
print RESULT "S: * Annulliert\n";
|
|
|
|
if ($config{voteack}) {
|
|
# send cancellation acknowledge
|
|
my $template = UVtemplate->new();
|
|
my $msg = $template->processTemplate($config{tpl_cancelled});
|
|
UVsendmail::mail($voter_addr, "Bestaetigung", $msg, $msgid);
|
|
}
|
|
|
|
} else {
|
|
print RESULT "S: ", join ("", @votes), "\n";
|
|
|
|
# send acknowledge mail?
|
|
if ($config{voteack}) {
|
|
|
|
my $template = UVtemplate->new();
|
|
$template->setKey(ballotid => $ballot_id);
|
|
$template->setKey(address => $voter_addr);
|
|
$template->setKey(name => $voter_name);
|
|
|
|
for (my $n=0; $n<@groups; $n++) {
|
|
my $vote = $votes[$n];
|
|
$vote =~ s/^J$/JA/;
|
|
$vote =~ s/^N$/NEIN/;
|
|
$vote =~ s/^E$/ENTHALTUNG/;
|
|
$template->addListItem('groups', pos=>$n+1, vote=>$vote, group=>$groups[$n]);
|
|
}
|
|
|
|
my $msg = $template->processTemplate($config{'tpl_ack_mail'});
|
|
UVsendmail::mail($voter_addr, "Bestaetigung", $msg, $msgid);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
##############################################################################
|
|
# Send out acknowledge mails and tidy up (we're called as "uvvote.pl clean") #
|
|
##############################################################################
|
|
|
|
sub make_clean {
|
|
|
|
# send mails
|
|
UVsendmail::send();
|
|
|
|
print UVmessage::get("INFO_TIDY_UP"), "\n";
|
|
|
|
# search unprocessed files
|
|
opendir (DIR, $config{tmpdir});
|
|
my @files = readdir DIR;
|
|
closedir (DIR);
|
|
|
|
my @resultfiles = grep (/^ergebnis-/, @files);
|
|
my @votefiles = grep (/^stimmen-/, @files);
|
|
|
|
unless (@resultfiles) {
|
|
print wrap('', '', UVmessage::get("VOTE_NO_NEW_RESULTS")), "\n\n";
|
|
return 0;
|
|
}
|
|
|
|
foreach my $thisresult (@resultfiles) {
|
|
chmod (0400, "$config{tmpdir}/$thisresult");
|
|
rename "$config{tmpdir}/$thisresult", "$config{archivedir}/$thisresult"
|
|
or die UVmessage::get("VOTE_MOVE_RESULTFILE", (FILE=>$thisresult)) . "$!\n\n";
|
|
}
|
|
|
|
foreach my $thisvotes (@votefiles) {
|
|
chmod (0400, "$config{tmpdir}/$thisvotes");
|
|
rename "$config{tmpdir}/$thisvotes", "$config{archivedir}/$thisvotes"
|
|
or die UVmessage::get("VOTE_MOVE_VOTEFILE", (FILE=>$thisvotes)) . "$!\n\n";
|
|
}
|
|
|
|
print UVmessage::get("VOTE_CREATING_RESULTS", (FILENAME=>$config{resultfile})), "\n";
|
|
|
|
# search all result files
|
|
opendir (DIR, "$config{archivedir}/");
|
|
@files = grep (/^ergebnis-/, readdir (DIR));
|
|
closedir (DIR);
|
|
|
|
# Create complete result from all single result files.
|
|
# The resulting file (ergebnis.alle) is overwritten as there could have been
|
|
# made changes in the single result files
|
|
open(RESULT, ">$config{resultfile}");
|
|
foreach my $file (sort @files) {
|
|
open(THISRESULT, "<$config{archivedir}/$file");
|
|
print RESULT join('', <THISRESULT>);
|
|
close(THISRESULT);
|
|
}
|
|
close(RESULT);
|
|
|
|
print "\n";
|
|
|
|
}
|
|
|
|
|
|
##############################################################################
|
|
# Print help text (options and syntax) on -h or --help #
|
|
##############################################################################
|
|
|
|
sub help {
|
|
print <<EOF;
|
|
Usage: uvvote.pl [-c config_file] [-t]
|
|
uvvote.pl [-c config_file] clean
|
|
uvvote.pl -h
|
|
|
|
Liest Mailboxen aus einer Datei oder per POP3 ein wertet die Mails
|
|
als Stimmzettel aus. Erst beim Aufruf mit der Option "clean" werden
|
|
die Ergebnisse endgueltig gespeichert und die Bestaetigungsmails
|
|
verschickt.
|
|
|
|
-c config_file liest die Konfiguration aus config_file
|
|
(usevote.cfg falls nicht angegeben)
|
|
|
|
-t, --test fuehrt einen Test der Konfiguration durch und
|
|
gibt das ermittelte Ergebnis aus.
|
|
|
|
-h, --help zeigt diesen Hilfetext an
|
|
|
|
EOF
|
|
|
|
exit 0;
|
|
}
|