From 03929dac2a29664878d2c971648a4fe1fb698462 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 22:19:02 +0200
Subject: Adding upstream version 20231031.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 scripts/mailcheck_mbox_flux.pl | 126 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 scripts/mailcheck_mbox_flux.pl

(limited to 'scripts/mailcheck_mbox_flux.pl')

diff --git a/scripts/mailcheck_mbox_flux.pl b/scripts/mailcheck_mbox_flux.pl
new file mode 100644
index 0000000..1964afb
--- /dev/null
+++ b/scripts/mailcheck_mbox_flux.pl
@@ -0,0 +1,126 @@
+#!/usr/bin/perl -w
+
+use strict;
+use Irssi;
+
+use vars qw($VERSION %IRSSI);
+$VERSION = "0.2";
+%IRSSI = (
+    authors     => "Erkki Seppälä",
+    contact     => "flux\@inside.org",
+    name        => "Mail Check",
+    description => "Polls your unix mailbox for new mail",
+    license     => "Public Domain",
+    url         => "http://xulfad.inside.org/~flux/software/irssi/",
+    changed     => "2019-02-23"
+);
+
+sub getMessages( $ ) {
+  local *F;
+  open(F, "<", $_[0]) or return ();
+  my $inHeaders = 0;
+  my $headers;
+  my %result = ();
+  my $time;
+  while (<F>) {
+    chomp;
+    if (/^From /) {
+      my @fields = /^From [^ ]+ (.*)/;
+      $time = $fields[0];
+      $inHeaders = 1;
+    } elsif ($inHeaders) {
+      if ($_ eq "") {
+	$result{$time} = $headers;
+
+	$inHeaders = 0;
+	$headers = {};
+      } else {
+	my @fields = /^([^:]+): (.*)$/;
+	if (@fields == 2) {
+	  $headers->{$fields[0]} = $fields[1];
+	}
+      }
+    }
+  }
+  close(F);
+
+  return %result;
+}
+
+# assumes both headers are in time order
+# format: From flux@xulfad.ton.tut.fi Wed Jan 24 23:44:00 2001
+sub newMail ( $$ ) {
+  my ($box, $contents) = @_;
+  my @newMail;
+  foreach my $mail (keys %{$contents}) {
+    if (!exists $box->{contents}->{$mail}) {
+      push @newMail, {%{$contents->{$mail}}, BOX=>$box};
+    }
+  }
+  return @newMail;
+}
+
+sub checkMail( $ ) {
+  my $boxes = shift;
+  my @changed = ();
+  foreach my $box (keys %{$boxes}) {
+#    Irssi::print "Checking $box";
+    my @st = stat($box);
+    my $mtime = $st[9];
+    if ($mtime != $boxes->{$box}->{time}) {
+      my %contents = getMessages($box);
+      if ($boxes->{$box}->{time}) {
+	push @changed, newMail($boxes->{$box}, \%contents);
+      }
+      $boxes->{$box}->{contents} = \%contents;
+      $boxes->{$box}->{time} = $mtime;
+    }
+  }
+  return @changed;
+}
+
+sub coalesce {
+  while (@_) {
+    if (defined $_[0]) {
+      return $_[0];
+    }
+    shift;
+  }
+  return undef;
+}
+
+my @boxes;
+my %boxes;
+sub sig_setup_changed {
+  @boxes =split(/:/,Irssi::settings_get_str('mail_check_paths'));
+
+  # ("/var/spool/mail/flux" => {name=>"INBOX", time=>0} );
+  for (my $c = 0; $c < @boxes; ++$c) {
+    $boxes{$boxes[$c]}->{time} = 0;
+    if ($c == 0) {
+      $boxes{$boxes[$c]}->{name} = "INBOX";
+    } else {
+      my @f = $boxes[$c] =~ /([^\/]*)$/;
+      $boxes{$boxes[$c]}->{name} = $f[0];
+    }
+  }
+}
+
+sub check {
+  my @newMail = checkMail(\%boxes);
+  foreach my $mail (@newMail) {
+    my $row = $mail->{BOX}->{name} . " ::: " . $mail->{From} . ": " . coalesce($mail->{Subject}, "(no subject)");
+    Irssi::print($row);
+#    active_server()->print($row);
+  }
+}
+
+Irssi::timeout_add(10000, "check", "");
+Irssi::signal_add('setup changed','sig_setup_changed');
+
+Irssi::settings_add_str('mail_check','mail_check_paths','/var/mail/'.$ENV{USER});
+
+sig_setup_changed();
+check();
+
+# vim:set ts=2 sw=2 expandtab:
-- 
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