$title

# 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 mid_escape/; require Email::Simple; sub emit1 { my ($ctx, $msg) = @_; $msg = Email::Simple->new($msg); # single message should be easily renderable in browsers [200, ['Content-Type', 'text/plain'], [ msg_str($ctx, $msg)] ] } sub msg_str { my ($ctx, $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 $ibx = $ctx->{-inbox}; my $base = $ibx->base_url($ctx->{env}); my $mid = mid_clean($header_obj->header('Message-ID')); $mid = mid_escape($mid); my @append = ( 'Archived-At', "<$base$mid/>", 'List-Archive', "<$base>", 'List-Post', "{-primary_address}>", ); my $crlf = $simple->crlf; my $buf = "From mboxrd\@z Thu Jan 1 00:00:00 1970\n" . $header_obj->as_string; 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; } } $buf .= "$k: $v$crlf" if defined $v; } $buf .= $crlf; # mboxrd quoting style # ref: http://www.qmail.org/man/man5/mbox.html my $body = $simple->body; $body =~ s/^(>*From )/>$1/gm; $buf .= $body; $buf .= "\n"; } sub thread_mbox { my ($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 $fh->close; } 1; package PublicInbox::MboxGz; use strict; use warnings; sub new { my ($class, $ctx, $cb) = @_; my $buf = ''; bless { buf => \$buf, gz => IO::Compress::Gzip->new(\$buf, Time => 0), cb => $cb, ctx => $ctx, msgs => [], opts => { offset => 0 }, }, $class; } # called by Plack::Util::foreach or similar sub getline { my ($self) = @_; my $ctx = $self->{ctx} or return; my $res; my $ibx = $ctx->{-inbox}; my $gz = $self->{gz}; do { while (defined(my $smsg = shift @{$self->{msgs}})) { my $msg = eval { $ibx->msg_by_smsg($smsg) } or next; $msg = Email::Simple->new($msg); $gz->write(PublicInbox::Mbox::msg_str($ctx, $msg)); my $bref = $self->{buf}; if (length($$bref) >= 8192) { my $ret = $$bref; # copy :< ${$self->{buf}} = ''; return $ret; } # be fair to other clients on public-inbox-httpd: return ''; } $res = $self->{cb}->($self->{opts}); $self->{msgs} = $res->{msgs}; $res = scalar @{$self->{msgs}}; $self->{opts}->{offset} += $res; } while ($res); $gz->close; delete $self->{ctx}; ${delete $self->{buf}}; } sub close {} # noop 1;