1 # Copyright (C) 2016-2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # HTML body stream for which yields getline+close methods for
5 # generic PSGI servers and callbacks for public-inbox-httpd.
7 # See PublicInbox::GzipFilter parent class for more info.
8 package PublicInbox::WwwStream;
11 use parent qw(Exporter PublicInbox::GzipFilter);
12 our @EXPORT_OK = qw(html_oneshot);
13 use PublicInbox::Hval qw(ascii_html prurl ts2str);
14 our $TOR_URL = 'https://www.torproject.org/';
17 http://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/public-inbox.git
18 https://public-inbox.org/public-inbox.git) ];
22 my $base_url = $ctx->{ibx}->base_url($ctx->{env});
23 chop $base_url; # no trailing slash for clone
30 $ctx->{base_url} = base_url($ctx);
31 bless $ctx, __PACKAGE__;
34 sub async_eml { # for async_blob_cb
36 $ctx->{http_out}->write($ctx->translate($ctx->{cb}->($ctx, $eml)));
41 my $ibx = $ctx->{ibx};
42 my $desc = ascii_html($ibx->description);
43 my $title = delete($ctx->{-title_html}) // $desc;
44 my $upfx = $ctx->{-upfx} || '';
45 my $help = $upfx.'_/text/help/';
46 my $color = $upfx.'_/text/color/';
47 my $atom = $ctx->{-atom} || $upfx.'new.atom';
48 my $top = "<b>$desc</b>";
49 if (my $t_max = $ctx->{-t_max}) {
50 $t_max = ts2str($t_max);
51 $top = qq(<a\nhref="$upfx?t=$t_max">$top</a>);
52 # we had some kind of query, link to /$INBOX/?t=YYYYMMDDhhmmss
53 } elsif ($ctx->{qp}->{t}) {
54 $top = qq(<a\nhref="./">$top</a>);
56 my $code = $ibx->{coderepo} ? qq( / <a\nhref=#code>code</a>) : '';
57 my $links = qq(<a\nhref="$help">help</a> / ).
58 qq(<a\nhref="$color">color</a> / ).
59 qq(<a\nhref=#mirror>mirror</a>$code / ).
60 qq(<a\nhref="$atom">Atom feed</a>);
62 my $q_val = delete($ctx->{-q_value_html}) // '';
63 $q_val = qq(\nvalue="$q_val") if $q_val ne '';
64 # XXX gross, for SearchView.pm
65 my $extra = delete($ctx->{-extra_form_html}) // '';
66 my $action = $upfx eq '' ? './' : $upfx;
67 $top = qq{<form\naction="$action"><pre>$top} .
68 qq{\n<input\nname=q\ntype=text$q_val />} .
70 qq{<input\ntype=submit\nvalue=search />} .
74 $top = '<pre>' . $top . "\n" . $links . '</pre>';
76 "<html><head><title>$title</title>" .
77 qq(<link\nrel=alternate\ntitle="Atom feed"\n).
78 qq(href="$atom"\ntype="application/atom+xml"/>) .
79 $ctx->{www}->style($upfx) .
80 '</head><body>'. $top . (delete($ctx->{-html_tip}) // '');
85 my $cr = $ctx->{ibx}->{coderepo} // return ();
86 my $cfg = $ctx->{www}->{pi_cfg};
87 my $upfx = ($ctx->{-upfx} // ''). '../';
89 for my $cr_name (@$cr) {
91 <a id=code>code repositories for project(s) associated with this inbox:
93 my $urls = $cfg->get_all("coderepo.$cr_name.cgiturl");
96 # relative or absolute URL?, prefix relative
97 # "foo.git" with appropriate number of "../"
98 my $u = m!\A(?:[a-z\+]+:)?//! ? $_ : $upfx.$_;
99 $u = ascii_html(prurl($ctx->{env}, $u));
100 $ret[0] .= qq(\n\t<a\nhref="$u">$u</a>);
103 $ret[0] .= qq[\n\t$cr_name.git (no URL configured)];
106 @ret; # may be empty, this sub is called as an arg for join()
109 sub code_footer ($) {
111 my $u = prurl($env, $CODE_URL);
113 if ($arg =~ s!\A(https?://)([^/\.]+)\.onion/!$1\$hostname\.onion/!i) {
114 "AGPL code for this site:\n\thostname=$2\n\t" .
115 qq(torsocks git clone <a\nhref="$u">$arg</a>)
117 qq(AGPL code for this site: git clone <a\nhref="$u">$u</a>)
125 id=mirror>This inbox may be cloned and mirrored by anyone:</a>
128 my $ibx = $ctx->{ibx};
129 my $desc = ascii_html($ibx->description);
132 my $http = $ctx->{base_url};
133 my $max = $ibx->max_git_epoch;
134 my $dir = (split(m!/!, $http))[-1];
135 my %seen = ($http => 1);
136 # TODO: some of these URLs may be too long and we may need to
137 # do something like code_footer() above, but these are local
139 if (defined($max)) { # v2
140 for my $i (0..$max) {
141 # old epochs my be deleted:
142 -d "$ibx->{inboxdir}/git/$i.git" or next;
143 my $url = "$http/$i";
145 push @urls, "$url $dir/git/$i.git";
147 my $nr = scalar(@urls);
149 $urls .= "\n\t# this inbox consists of $nr epochs:";
150 $urls[0] .= "\t# oldest";
151 $urls[-1] .= "\t# newest";
157 # FIXME: epoch splits can be different in other repositories,
158 # use the "cloneurl" file as-is for now:
159 foreach my $u (@{$ibx->cloneurl}) {
161 push @urls, $u =~ /\Ahttps?:/ ? qq(<a\nhref="$u">$u</a>) : $u;
164 $urls .= "\n" . join('', map { "\tgit clone --mirror $_\n" } @urls);
165 if (my $addrs = $ibx->{address}) {
166 $addrs = join(' ', @$addrs) if ref($addrs) eq 'ARRAY';
167 my $v = defined $max ? '-V2' : '-V1';
170 # If you have public-inbox 1.1+ installed, you may
171 # initialize and index your mirror using the following commands:
172 public-inbox-init $v $ibx->{name} $dir/ $http \\
174 public-inbox-index $dir
177 my $cfg_link = ($ctx->{-upfx} // '').'_/text/config/raw';
181 href="$cfg_link">config snippet</a> for mirrors.
183 my @nntp = map { qq(<a\nhref="$_">$_</a>) } @{$ibx->nntp_url};
185 $urls .= @nntp == 1 ? 'Newsgroup' : 'Newsgroups are';
186 $urls .= ' available over NNTP:';
187 $urls .= "\n\t" . join("\n\t", @nntp) . "\n";
189 if ($urls =~ m!\b[^:]+://\w+\.onion/!) {
190 $urls .= " note: .onion URLs require Tor: ";
191 $urls .= qq[<a\nhref="$TOR_URL">$TOR_URL</a>];
193 '<hr><pre>'.join("\n\n",
197 code_footer($ctx->{env})
198 ).'</pre></body></html>';
201 # callback for HTTP.pm (and any other PSGI servers)
204 my $cb = $ctx->{cb} or return;
205 while (defined(my $x = $cb->($ctx))) { # x = smsg or scalar non-ref
206 if (ref($x)) { # smsg
207 my $eml = $ctx->{ibx}->smsg_eml($x) or next;
209 return $ctx->translate($cb->($ctx, $eml));
211 return $ctx->translate($x);
215 $ctx->zflush(_html_end($ctx));
218 sub html_oneshot ($$;$) {
219 my ($ctx, $code, $sref) = @_;
220 my $res_hdr = [ 'Content-Type' => 'text/html; charset=UTF-8',
221 'Content-Length' => undef ];
222 bless $ctx, __PACKAGE__;
223 $ctx->{gz} = PublicInbox::GzipFilter::gz_or_noop($res_hdr, $ctx->{env});
224 $ctx->{base_url} //= do {
225 $ctx->zmore(html_top($ctx));
228 $ctx->zmore($$sref) if $sref;
229 my $bdy = $ctx->zflush(_html_end($ctx));
230 $res_hdr->[3] = length($bdy);
231 [ $code, $res_hdr, [ $bdy ] ]
235 my ($http) = @_; # PublicInbox::HTTP
236 my $ctx = $http->{forward} or return;
238 if (my $smsg = $ctx->{smsg} = $ctx->{cb}->($ctx)) {
239 $ctx->smsg_blob($smsg);
241 $ctx->{http_out}->write(
242 $ctx->translate(_html_end($ctx)));
243 $ctx->close; # GzipFilter->close
250 my ($ctx, $code, $cb) = @_;
251 my $res_hdr = [ 'Content-Type' => 'text/html; charset=UTF-8' ];
253 $ctx->psgi_response($code, $res_hdr);