# Copyright (C) 2015 all contributors # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt) # Streaming interface for formatting messages as an mboxrd. # Used by the web interface package PublicInbox::Mbox; use strict; use warnings; use PublicInbox::MID qw/mid_clean/; use URI::Escape qw/uri_escape_utf8/; use Plack::Util; require Email::Simple; sub emit1 { my $simple = Email::Simple->new(pop); my $ctx = pop; sub { my ($response) = @_; # single message should be easily renderable in browsers my $fh = $response->([200, ['Content-Type'=>'text/plain']]); emit_msg($ctx, $fh, $simple); $fh->close; } } sub emit_msg { my ($ctx, $fh, $simple) = @_; # Email::Simple object my $header_obj = $simple->header_obj; # drop potentially confusing headers, ssoma already should've dropped # Lines and Content-Length foreach my $d (qw(Lines Bytes Content-Length Status)) { $header_obj->header_set($d); } my $feed_opts = $ctx->{feed_opts}; unless ($feed_opts) { require PublicInbox::Feed; # FIXME: gross $feed_opts = PublicInbox::Feed::get_feedopts($ctx); $ctx->{feed_opts} = $feed_opts; } my $base = $feed_opts->{url}; my $mid = mid_clean($header_obj->header('Message-ID')); $mid = uri_escape_utf8($mid); my @append = ( 'Archived-At', "<$base$mid/>", 'List-Archive', "<$base>", 'List-Post', "{id_addr}>", ); my $append = ''; my $crlf = $simple->crlf; for (my $i = 0; $i < @append; $i += 2) { my $k = $append[$i]; my $v = $append[$i + 1]; my @v = $header_obj->header($k); foreach (@v) { if ($v eq $_) { $v = undef; last; } } $append .= "$k: $v$crlf" if defined $v; } my $buf = $header_obj->as_string; unless ($buf =~ /\AFrom /) { $fh->write("From mboxrd\@z Thu Jan 1 00:00:00 1970\n"); } $append .= $crlf; $fh->write($buf .= $append); $buf = $simple->body; $simple->body_set(''); # mboxrd quoting style # ref: http://www.qmail.org/man/man5/mbox.html $buf =~ s/^(>*From )/>$1/gm; $fh->write($buf .= "\n"); } sub noop {} sub thread_mbox { my ($ctx, $srch, $sfx) = @_; eval { require IO::Compress::Gzip }; return sub { need_gzip(@_) } if $@; my $cb = sub { $srch->get_thread($ctx->{mid}, @_) }; # http://www.iana.org/assignments/media-types/application/gzip [200, ['Content-Type' => 'application/gzip'], PublicInbox::MboxGz->new($ctx, $cb) ]; } sub emit_range { my ($ctx, $range) = @_; eval { require IO::Compress::Gzip }; return sub { need_gzip(@_) } if $@; my $query; if ($range eq 'all') { # TODO: YYYY[-MM] $query = ''; } else { return [404, [qw(Content-Type text/plain)], []]; } my $cb = sub { $ctx->{srch}->query($query, @_) }; # http://www.iana.org/assignments/media-types/application/gzip [200, [qw(Content-Type application/gzip)], PublicInbox::MboxGz->new($ctx, $cb) ]; } sub need_gzip { my $fh = $_[0]->([501, ['Content-Type' => 'text/html']]); my $title = 'gzipped mbox not available'; $fh->write(<$title
$title
The administrator needs to install the IO::Compress::Gzip Perl module
to support gzipped mboxes.
Return to index
EOF $fh->close; } 1; package PublicInbox::MboxGz; use strict; use warnings; use PublicInbox::MID qw(mid2path); sub new { my ($class, $ctx, $cb) = @_; my $buf; bless { buf => \$buf, gz => IO::Compress::Gzip->new(\$buf), cb => $cb, ctx => $ctx, msgs => [], opts => { asc => 1, offset => 0 }, }, $class; } sub _flush_buf { my ($self) = @_; my $ret = $self->{buf}; $ret = $$ret; ${$self->{buf}} = undef; $ret; } # called by Plack::Util::foreach or similar sub getline { my ($self) = @_; my $res; my $ctx = $self->{ctx}; my $git = $ctx->{git}; do { while (defined(my $smsg = shift @{$self->{msgs}})) { my $msg = eval { my $p = 'HEAD:'.mid2path($smsg->mid); Email::Simple->new($git->cat_file($p)); }; $msg or next; PublicInbox::Mbox::emit_msg($ctx, $self->{gz}, $msg); my $ret = _flush_buf($self); return $ret if $ret; } $res = $self->{cb}->($self->{opts}); $self->{msgs} = $res->{msgs}; $res = scalar @{$self->{msgs}}; $self->{opts}->{offset} += $res; } while ($res); $self->{gz}->close; _flush_buf($self); } sub close {} # noop 1;