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-rw-r--r--lib/PublicInbox/Mbox.pm192
1 files changed, 93 insertions, 99 deletions
diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index 0d67981f..2565ea58 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -6,32 +6,18 @@
 package PublicInbox::Mbox;
 use strict;
 use warnings;
-use PublicInbox::MID qw/mid2path mid_clean/;
-use URI::Escape qw/uri_escape_utf8/;
+use PublicInbox::MID qw/mid_clean mid_escape/;
 require Email::Simple;
 
-sub thread_mbox {
-        my ($ctx, $srch, $sfx) = @_;
-        sub {
-                my ($response) = @_; # Plack callback
-                emit_mbox($response, $ctx, $srch, $sfx);
-        }
-}
-
 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);
-                $fh->close;
-        }
+        my ($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 emit_msg {
-        my ($ctx, $fh, $simple) = @_; # Email::Simple object
+sub msg_str {
+        my ($ctx, $simple) = @_; # Email::Simple object
         my $header_obj = $simple->header_obj;
 
         # drop potentially confusing headers, ssoma already should've dropped
@@ -39,74 +25,67 @@ sub emit_msg {
         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 $ibx = $ctx->{-inbox};
+        my $base = $ibx->base_url($ctx->{env});
         my $mid = mid_clean($header_obj->header('Message-ID'));
-        $mid = uri_escape_utf8($mid);
-        my @archived_at = $header_obj->header('Archived-At');
-        push @archived_at, "<$base$mid/>";
-        $header_obj->header_set('Archived-At', @archived_at);
-        $header_obj->header_set('List-Archive', "<$base>");
-        $header_obj->header_set('List-Post', "<mailto:$feed_opts->{id_addr}>");
-
-        my $buf = $header_obj->as_string;
-        unless ($buf =~ /\AFrom /) {
-                $fh->write("From mboxrd\@z Thu Jan  1 00:00:00 1970\n");
+        $mid = mid_escape($mid);
+        my @append = (
+                'Archived-At', "<$base$mid/>",
+                'List-Archive', "<$base>",
+                'List-Post', "<mailto:$ibx->{-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;
         }
-        $fh->write($buf .= $simple->crlf);
-
-        $buf = $simple->body;
-        $simple->body_set('');
+        $buf .= $crlf;
 
         # mboxrd quoting style
         # ref: http://www.qmail.org/man/man5/mbox.html
-        $buf =~ s/^(>*From )/>$1/gm;
+        my $body = $simple->body;
+        $body =~ s/^(>*From )/>$1/gm;
+        $buf .= $body;
+        $buf .= "\n";
+}
 
-        $buf .= "\n" unless $buf =~ /\n\z/s;
+sub thread_mbox {
+        my ($ctx, $srch, $sfx) = @_;
+        eval { require IO::Compress::Gzip };
+        return sub { need_gzip(@_) } if $@;
 
-        $fh->write($buf);
+        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_mbox {
-        my ($response, $ctx, $srch, $sfx) = @_;
-        my $type = 'mbox';
-        if ($sfx) {
-                eval { require IO::Compress::Gzip };
-                return need_gzip($response) if $@;
-                $type = 'gzip';
+sub emit_range {
+        my ($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
-        # http://www.iana.org/assignments/media-types/application/mbox
-        my $fh = $response->([200, ['Content-Type' => "application/$type"]]);
-        $fh = PublicInbox::MboxGz->new($fh) if $sfx;
-
-        require PublicInbox::Git;
-        my $mid = $ctx->{mid};
-        my $git = $ctx->{git} ||= PublicInbox::Git->new($ctx->{git_dir});
-        my %opts = (offset => 0);
-        my $nr;
-        do {
-                my $res = $srch->get_thread($mid, \%opts);
-                my $msgs = $res->{msgs};
-                $nr = scalar @$msgs;
-                while (defined(my $smsg = shift @$msgs)) {
-                        my $msg = eval {
-                                my $p = 'HEAD:'.mid2path($smsg->mid);
-                                Email::Simple->new($git->cat_file($p));
-                        };
-                        emit_msg($ctx, $fh, $msg) if $msg;
-                }
-
-                $opts{offset} += $nr;
-        } while ($nr > 0);
-
-        $fh->close;
+        [200, [qw(Content-Type application/gzip)],
+                PublicInbox::MboxGz->new($ctx, $cb) ];
 }
 
 sub need_gzip {
@@ -123,40 +102,55 @@ EOF
 
 1;
 
-# fh may not be a proper IO, so we wrap the write and close methods
-# to prevent IO::Compress::Gzip from complaining
 package PublicInbox::MboxGz;
 use strict;
 use warnings;
 
 sub new {
-        my ($class, $fh) = @_;
-        my $buf;
+        my ($class, $ctx, $cb) = @_;
+        my $buf = '';
         bless {
                 buf => \$buf,
-                gz => IO::Compress::Gzip->new(\$buf),
-                fh => $fh,
+                gz => IO::Compress::Gzip->new(\$buf, Time => 0),
+                cb => $cb,
+                ctx => $ctx,
+                msgs => [],
+                opts => { offset => 0 },
         }, $class;
 }
 
-sub _flush_buf {
+# called by Plack::Util::foreach or similar
+sub getline {
         my ($self) = @_;
-        if (defined ${$self->{buf}}) {
-                $self->{fh}->write(${$self->{buf}});
-                ${$self->{buf}} = undef;
-        }
-}
-
-sub write {
-        $_[0]->{gz}->write($_[1]);
-        _flush_buf($_[0]);
+        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 {
-        my ($self) = @_;
-        $self->{gz}->close;
-        _flush_buf($self);
-        $self->{fh}->close;
-}
+sub close {} # noop
 
 1;