$title

# Copyright (C) 2016-2020 all contributors # License: AGPL-3.0+ # # HTML body stream for which yields getline+close methods # # public-inbox-httpd favors "getline" response bodies to take a # "pull"-based approach to feeding slow clients (as opposed to a # more common "push" model) package PublicInbox::WwwStream; use strict; use warnings; use base qw(Exporter); our @EXPORT_OK = qw(html_oneshot); use bytes (); # length use PublicInbox::Hval qw(ascii_html prurl); our $TOR_URL = 'https://www.torproject.org/'; our $CODE_URL = 'https://public-inbox.org/public-inbox.git'; # noop for HTTP.pm (and any other PSGI servers) sub close {} sub base_url ($) { my $ctx = shift; my $base_url = $ctx->{-inbox}->base_url($ctx->{env}); chop $base_url; # no trailing slash for clone $base_url; } sub new { my ($class, $ctx, $cb) = @_; bless { nr => 0, cb => $cb, ctx => $ctx, base_url => base_url($ctx), }, $class; } sub response { my ($class, $ctx, $code, $cb) = @_; [ $code, [ 'Content-Type', 'text/html; charset=UTF-8' ], $class->new($ctx, $cb) ] } sub _html_top ($) { my ($self) = @_; my $ctx = $self->{ctx}; my $ibx = $ctx->{-inbox}; my $desc = ascii_html($ibx->description); my $title = delete($ctx->{-title_html}) // $desc; my $upfx = $ctx->{-upfx} || ''; my $help = $upfx.'_/text/help'; my $color = $upfx.'_/text/color'; my $atom = $ctx->{-atom} || $upfx.'new.atom'; my $top = "$desc"; my $links = "help / ". "color / ". "Atom feed"; if ($ibx->search) { my $q_val = delete($ctx->{-q_value_html}) // ''; $q_val = qq(\nvalue="$q_val") if $q_val ne ''; # XXX gross, for SearchView.pm my $extra = delete($ctx->{-extra_form_html}) // ''; my $action = $upfx eq '' ? './' : $upfx; $top = qq{

$top} .
			  qq{\n} .
			  $extra .
			  qq{} .
			  ' ' . $links .
			  q{

} } else { $top = '

' . $top . "\n" . $links . '

'; } "$title" . qq() . $ctx->{www}->style($upfx) . ''. $top . (delete($ctx->{-html_tip}) // ''); } sub code_footer ($) { my ($env) = @_; my $u = prurl($env, $CODE_URL); qq(AGPL code for this site: git clone $u) } sub _html_end { my ($self) = @_; my $urls = 'Archives are clonable:'; my $ctx = $self->{ctx}; my $ibx = $ctx->{-inbox}; my $desc = ascii_html($ibx->description); my @urls; my $http = $self->{base_url}; my $max = $ibx->max_git_epoch; my $dir = (split(m!/!, $http))[-1]; my %seen = ($http => 1); if (defined($max)) { # v2 for my $i (0..$max) { # old parts my be deleted: -d "$ibx->{inboxdir}/git/$i.git" or next; my $url = "$http/$i"; $seen{$url} = 1; push @urls, "$url $dir/git/$i.git"; } } else { # v1 push @urls, $http; } # FIXME: epoch splits can be different in other repositories, # use the "cloneurl" file as-is for now: foreach my $u (@{$ibx->cloneurl}) { next if $seen{$u}++; push @urls, $u =~ /\Ahttps?:/ ? qq($u) : $u; } if (defined($max) || scalar(@urls) > 1) { $urls .= "\n" . join("\n", map { "\tgit clone --mirror $_" } @urls); } else { $urls .= " git clone --mirror $urls[0]"; } if (defined $max) { my $addrs = $ibx->{address}; $addrs = join(' ', @$addrs) if ref($addrs) eq 'ARRAY'; $urls .= <{name} $dir/ $http \\ $addrs public-inbox-index $dir EOF } else { # v1 $urls .= "\n"; } my $cfg_link = ($ctx->{-upfx} // '').'_/text/config/raw'; $urls .= qq(\nExample config snippet for mirrors\n); my @nntp = map { qq($_) } @{$ibx->nntp_url}; if (@nntp) { $urls .= "\n"; $urls .= @nntp == 1 ? 'Newsgroup' : 'Newsgroups are'; $urls .= ' available over NNTP:'; $urls .= "\n\t" . join("\n\t", @nntp) . "\n"; } if ($urls =~ m!\b[^:]+://\w+\.onion/!) { $urls .= "\n note: .onion URLs require Tor: "; $urls .= qq[$TOR_URL]; } '

'.join("\n\n",
		$desc,
		$urls,
		code_footer($ctx->{env})
	).'

'; } # callback for HTTP.pm (and any other PSGI servers) sub getline { my ($self) = @_; my $nr = $self->{nr}++; return _html_top($self) if $nr == 0; if (my $middle = $self->{cb}) { $middle = $middle->($nr, $self->{ctx}) and return $middle; } delete $self->{cb} ? _html_end($self) : undef; } sub html_oneshot ($$;$) { my ($ctx, $code, $sref) = @_; my $self = bless { ctx => $ctx, base_url => base_url($ctx), }, __PACKAGE__; my @x = (_html_top($self), $sref ? $$sref : (), _html_end($self)); my $len = 0; $len += bytes::length($_) for @x; [ $code, [ 'Content-Type' => 'text/html; charset=UTF-8', 'Content-Length' => $len ], \@x ]; } 1;