mirror of https://github.com/MidnightCommander/mc
147 lines
3.4 KiB
Plaintext
147 lines
3.4 KiB
Plaintext
#! @PERL@ -w
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use bytes;
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# MC extfs for (possibly compressed) Berkeley style mailbox files
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# Peter Daum <gator@cs.tu-berlin.de> (Jan 1998, mc-4.1.24)
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$zcat="zcat"; # gunzip to stdout
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$bzcat="bzip2 -dc"; # bunzip2 to stdout
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$file="file"; # "file" command
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$TZ='GMT'; # default timezone (for Date module)
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if (eval "require Date::Manip") {
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import Date::Manip;
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$parse_date=
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sub {
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return UnixDate($_[0], "%l"); # "ls -l" format
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}
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} elsif (eval "require Date::Parse") {
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import Date::Parse;
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$parse_date=
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sub {
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local $_ =localtime(str2time($_[0],$TZ));
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s/^... (.+) (\d\d:\d\d):\d\d (\d\d\d\d)$/$1 $3 $2/;
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return $_;
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}
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} else { # use "light" version
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$parse_date= sub {
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# assumes something like: Mon, 5 Jan 1998 16:08:19 +0200 (GMT+0200)
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# if you have mails with another date format, add it here
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if (/(\d\d?) ([A-Z][a-z][a-z]) (\d\d\d\d) (\d\d?:\d\d)/) {
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return "$2 $1 $3 $4";
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}
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# Y2K bug.
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# Date: Mon, 27 Mar 100 16:30:47 +0000 (GMT)
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if (/(\d\d?) ([A-Z][a-z][a-z]) (1?\d\d) (\d\d?:\d\d)/) {
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$correct_year = 1900 + $3;
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if ($correct_year < 1970) {
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$correct_year += 100;
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}
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return "$2 $1 $correct_year $4";
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}
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# AOLMail(SM).
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# Date: Sat Jul 01 10:06:06 2000
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if (/([A-Z][a-z][a-z]) (\d\d?) (\d\d?:\d\d)(:\d\d)? (\d\d\d\d)/) {
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return "$1 $2 $5 $3";
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}
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# Fallback
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return localtime(time);
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}
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}
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sub process_header {
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while (<IN>) {
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$size+=length;
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s/\r$//;
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last if /^$/;
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die "unexpected EOF\n" if eof;
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if (/^Date:\s(.*)$/) {
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$date=&$parse_date($1);
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} elsif (/^Subject:\s(.*)$/) {
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$subj=lc($1);
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$subj=~ s/^(re:\s?)+//gi; # no leading Re:
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$subj=~ tr/a-zA-Z0-9//cd; # strip all "special" characters
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} elsif (/^From:\s.*?(\w+)\@/) {
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$from=$1;
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} elsif (/^To:\s.*?(\w+)\@/) {
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$to=lc($1);
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}
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}
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}
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sub print_dir_line {
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$from=$to if ($from eq $user); # otherwise, it would look pretty boring
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$date=localtime(time) if (!defined $date);
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printf "-r-------- 1 $< $< %d %s %3.3d_%.25s\n",
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$size, $date, $msg_nr, "${from}_${subj}";
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}
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sub mailfs_list {
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my $blank = 1;
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$user=$ENV{USER}||getlogin||getpwuid($<) || "nobody";
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while(<IN>) {
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s/\r$//;
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if($blank && /^From /) { # Start of header
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print_dir_line unless (!$msg_nr);
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$size=length;
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$msg_nr++;
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($from,$to,$subj,$date)=("none","none","none", "01-01-80");
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process_header;
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$line=$blank=0;
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} else {
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$size+=length;
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$line++;
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$blank= /^$/;
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}
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}
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print_dir_line unless (!$msg_nr);
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exit 0;
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}
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sub mailfs_copyout {
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my($source,$dest)=@_;
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exit 1 unless (open STDOUT, ">$dest");
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($nr)= ($source =~ /^(\d+)/); # extract message number from "filename"
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my $blank = 1;
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while(<IN>) {
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s/\r$//;
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if($blank && /^From /) {
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$msg_nr++;
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exit(0) if ($msg_nr > $nr);
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$blank= 0;
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} else {
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$blank= /^$/;
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}
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print if ($msg_nr == $nr);
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}
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}
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# main {
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exit 1 unless ($#ARGV >= 1);
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$msg_nr=0;
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$cmd=shift;
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$mbox_name=shift;
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my $mbox_qname = quotemeta ($mbox_name);
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$_=`$file $mbox_qname`;
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if (/gzip/) {
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exit 1 unless (open IN, "$zcat $mbox_qname|");
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} elsif (/bzip/) {
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exit 1 unless (open IN, "$bzcat $mbox_qname|");
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} else {
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exit 1 unless (open IN, "<$mbox_name");
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}
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umask 077;
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if($cmd eq "list") { &mailfs_list; exit 0; }
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elsif($cmd eq "copyout") { &mailfs_copyout(@ARGV); exit 0; }
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exit 1;
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