# Copyright (C) 2014-2018 all contributors # License: AGPL-3.0+ # For reply instructions and address generation in WWW UI package PublicInbox::Reply; use strict; use warnings; use URI::Escape qw/uri_escape_utf8/; use PublicInbox::Hval qw/ascii_html obfuscate_addrs/; use PublicInbox::Address; use PublicInbox::MID qw/mid_clean mid_escape/; sub squote_maybe ($) { my ($val) = @_; if ($val =~ m{([^\w@\./,\%\+\-])}) { $val =~ s/(['!])/'\\$1'/g; # '!' for csh return "'$val'"; } $val; } sub add_addrs { my ($to, $cc, @addrs) = @_; foreach my $address (@addrs) { my $dst = lc($address); $cc->{$dst} ||= $address; $$to ||= $dst; } } my @reply_headers = qw(From To Cc Reply-To); my $reply_headers = join('|', @reply_headers); sub mailto_arg_link { my ($ibx, $hdr) = @_; my $cc = {}; # everyone else my $to; # this is the From address by defaultq 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 $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}; 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"; $to = uri_escape_utf8($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; # 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;