# Copyright (C) 2015-2021 all contributors # License: AGPL-3.0+ package PublicInbox::MboxGz; use strict; use parent 'PublicInbox::GzipFilter'; use PublicInbox::Eml; use PublicInbox::Hval qw/to_filename/; use PublicInbox::Mbox; *msg_hdr = \&PublicInbox::Mbox::msg_hdr; *msg_body = \&PublicInbox::Mbox::msg_body; sub async_next ($) { my ($http) = @_; # PublicInbox::HTTP my $ctx = $http->{forward} or return; eval { $ctx->{smsg} = $ctx->{cb}->($ctx) or return $ctx->close; $ctx->smsg_blob($ctx->{smsg}); }; warn "E: $@" if $@; } sub mbox_gz { my ($self, $cb, $fn) = @_; $self->{cb} = $cb; $self->{base_url} = $self->{ibx}->base_url($self->{env}); $self->{gz} = PublicInbox::GzipFilter::gzip_or_die(); $fn = to_filename($fn // '') // 'no-subject'; # http://www.iana.org/assignments/media-types/application/gzip bless $self, __PACKAGE__; my $res_hdr = [ 'Content-Type' => 'application/gzip', 'Content-Disposition' => "inline; filename=$fn.mbox.gz" ]; $self->psgi_response(200, $res_hdr); } # called by Plack::Util::foreach or similar (generic PSGI) sub getline { my ($self) = @_; my $cb = $self->{cb} or return; while (my $smsg = $cb->($self)) { my $eml = $self->{ibx}->smsg_eml($smsg) or next; $self->zmore(msg_hdr($self, $eml)); return $self->translate(msg_body($eml)); } # signal that we're done and can return undef next call: delete $self->{cb}; $self->zflush; } no warnings 'once'; *async_eml = \&PublicInbox::Mbox::async_eml; 1;