X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FReply.pm;h=091f20bc00f35106afdef4a84df1d88372f61b22;hp=73a4df119bdabe9dcb55fa5bb250df911cab8b66;hb=4eee5af6011cc8cdefb66c9729952c7eff5c0b0b;hpb=92afb41e15dfdcda291b432173bd49ddfc49614a

diff --git a/lib/PublicInbox/Reply.pm b/lib/PublicInbox/Reply.pm
index 73a4df11..091f20bc 100644
--- a/lib/PublicInbox/Reply.pm
+++ b/lib/PublicInbox/Reply.pm
@@ -1,54 +1,116 @@
-# Copyright (C) 2014-2017 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# For reply instructions and address generation in WWW UI
 package PublicInbox::Reply;
 use strict;
-use warnings;
+use v5.10.1;
 use URI::Escape qw/uri_escape_utf8/;
-use PublicInbox::Hval qw/ascii_html/;
+use PublicInbox::Hval qw(ascii_html obfuscate_addrs mid_href);
 use PublicInbox::Address;
-use PublicInbox::MID qw/mid_clean mid_escape/;
+use PublicInbox::MID qw(mid_clean);
+use PublicInbox::Config;
+
+*squote_maybe = \&PublicInbox::Config::squote_maybe;
 
-sub squote_maybe ($) {
-	my ($val) = @_;
-	if ($val =~ m{([^\w@\./,\%\+\-])}) {
-		$val =~ s/(['!])/'\\$1'/g; # '!' for csh
-		return "'$val'";
+sub add_addrs {
+	my ($to, $cc, @addrs) = @_;
+	foreach my $address (@addrs) {
+		my $dst = lc($address);
+		$cc->{$dst} ||= $address;
+		$$to ||= $dst;
 	}
-	$val;
 }
 
+my @reply_headers = qw(From To Cc Reply-To);
+my $reply_headers = join('|', @reply_headers);
+
 sub mailto_arg_link {
-	my ($hdr) = @_;
-	my %cc; # everyone else
-	my $to; # this is the From address
-
-	foreach my $h (qw(From To Cc)) {
-		my $v = $hdr->header($h);
-		defined($v) && ($v ne '') or next;
-		my @addrs = PublicInbox::Address::emails($v);
-		foreach my $address (@addrs) {
-			my $dst = lc($address);
-			$cc{$dst} ||= $address;
-			$to ||= $dst;
+	my ($ibx, $hdr) = @_;
+	my $cc = {}; # everyone else
+	my $to; # this is the From address by default
+	my $reply_to_all = 'reply-to-all'; # the only good default :P
+	my $reply_to_cfg = $ibx->{replyto};
+
+	$reply_to_cfg ||= ':all';
+	if ($reply_to_cfg =~ /\A:none=(.*)/) {
+		my $msg = $1;
+		$msg = 'replies disabled' if $msg eq '';
+		return \$msg;
+	}
+
+	foreach my $rt (split(/\s*,\s*/, $reply_to_cfg)) {
+		if ($rt eq ':all') {
+			foreach my $h (@reply_headers) {
+				my $v = $hdr->header($h);
+				defined($v) && ($v ne '') or next;
+				my @addrs = PublicInbox::Address::emails($v);
+				add_addrs(\$to, $cc, @addrs);
+			}
+		} elsif ($rt eq ':list') {
+			$reply_to_all = 'reply-to-list';
+			add_addrs(\$to, $cc, $ibx->{-primary_address});
+		} elsif ($rt =~ /\A(?:$reply_headers)\z/io) {
+			# ugh, this is weird...
+			my $v = $hdr->header($rt);
+			if (defined($v) && ($v ne '')) {
+				my @addrs = PublicInbox::Address::emails($v);
+				add_addrs(\$to, $cc, @addrs);
+			}
+		} elsif ($rt =~ /@/) {
+			add_addrs(\$to, $cc, $rt);
+		} else {
+			warn "Unrecognized replyto = '$rt' in config\n";
 		}
 	}
-	my @arg;
 
+	my @arg;
+	my $obfs = $ibx->{obfuscate};
 	my $subj = $hdr->header('Subject') || '';
 	$subj = "Re: $subj" unless $subj =~ /\bRe:/i;
 	my $mid = $hdr->header_raw('Message-ID');
 	push @arg, '--in-reply-to='.squote_maybe(mid_clean($mid));
-	my $irt = mid_escape($mid);
-	delete $cc{$to};
-	push @arg, "--to=$to";
-	$to = uri_escape_utf8($to);
-	$subj = uri_escape_utf8($subj);
-	my @cc = sort values %cc;
-	push(@arg, map { "--cc=$_" } @cc);
-	my $cc = uri_escape_utf8(join(',', @cc));
-	my $href = "mailto:$to?In-Reply-To=$irt&Cc=${cc}&Subject=$subj";
-
-	(\@arg, ascii_html($href));
+	my $irt = mid_href($mid);
+	add_addrs(\$to, $cc, $ibx->{-primary_address}) unless defined($to);
+	delete $cc->{$to};
+	if ($obfs) {
+		my $arg_to = $to;
+		obfuscate_addrs($ibx, $arg_to, '$(echo .)');
+		push @arg, "--to=$arg_to";
+		# no $subj for $href below
+	} else {
+		push @arg, "--to=$to";
+		$subj = uri_escape_utf8($subj);
+	}
+	my @cc = sort values %$cc;
+	$cc = '';
+	if (@cc) {
+		if ($obfs) {
+			push(@arg, map {
+				my $addr = $_;
+				obfuscate_addrs($ibx, $addr, '$(echo .)');
+				"--cc=$addr";
+			} @cc);
+		} else {
+			$cc = '&Cc=' . uri_escape_utf8(join(',', @cc));
+			push(@arg, map { "--cc=$_" } @cc);
+		}
+	}
+
+	# I'm not sure if address obfuscation and mailto: links can
+	# be made compatible; and address obfuscation is misguided,
+	# anyways.
+	return (\@arg, '', $reply_to_all) if $obfs;
+
+	# keep `@' instead of using `%40' for RFC 6068
+	utf8::encode($to);
+	$to =~ s!([^A-Za-z0-9\-\._~\@])!$URI::Escape::escapes{$1}!ge;
+
+	# order matters, Subject is the least important header,
+	# so it is last in case it's lost/truncated in a copy+paste
+	my $href = "mailto:$to?In-Reply-To=$irt${cc}&Subject=$subj";
+
+	(\@arg, ascii_html($href), $reply_to_all);
 }
 
 1;