- # note: this doesn't preserve cgitrc layout, since we parse cgitrc
- # and drop the original structure
- if (defined(my $cr = $ibx->{coderepo})) {
- $$txt .= "\tcoderepo = $_\n" for @$cr;
-
- my $pi_config = $ctx->{www}->{pi_config};
- for my $cr_name (@$cr) {
- my $urls = $pi_config->{"coderepo.$cr_name.cgiturl"};
- my $path = "/path/to/$cr_name";
- $cr_name = dq_escape($cr_name);
-
- $$txt .= qq([coderepo "$cr_name"]\n);
- if ($urls && scalar(@$urls)) {
- $$txt .= "\t; ";
- $$txt .= join(" ||\n\t;\t", map {;
- my $cpath = $path;
- if ($path !~ m![a-z0-9_/\.\-]!i) {
- $cpath = dq_escape($cpath);
- }
- qq(git clone $_ "$cpath");
- } @$urls);
- $$txt .= "\n";
+# n.b. this is a perfect candidate for memoization
+sub extindex_config ($$) {
+ my ($ctx, $txt) = @_;
+ my $ibx = $ctx->{ibx};
+ push @{$ctx->{-res_hdr}},
+ 'Content-Disposition', 'inline; filename=extindex.config';
+ my $name = dq_escape($ibx->{name});
+ my $base_url = $ibx->base_url($ctx->{env});
+ $$txt .= <<EOS;
+; Example public-inbox config snippet for the external index (extindex) at:
+; $base_url
+; See public-inbox-config(5)manpage for more details:
+; https://public-inbox.org/public-inbox-config.html
+[extindex "$name"]
+ topdir = /path/to/extindex-topdir
+ url = https://example.com/$name/
+ url = http://example.onion/$name/
+EOS
+ for my $k (qw(infourl)) {
+ defined(my $v = $ibx->{$k}) or next;
+ $$txt .= "\t$k = $v\n";
+ }
+ _coderepo_config($ctx, $txt);
+ 1;
+}
+
+sub coderepos_raw ($$) {
+ my ($ctx, $top_url) = @_;
+ my $cr = $ctx->{ibx}->{coderepo} // return ();
+ my $cfg = $ctx->{www}->{pi_cfg};
+ my $buf = 'Code repositories for project(s) associated with this '.
+ $ctx->{ibx}->thing_type . "\n";
+ for my $git (@{$ctx->{www}->{pi_cfg}->repo_objs($ctx->{ibx})}) {
+ for ($git->pub_urls($ctx->{env})) {
+ my $u = m!\A(?:[a-z\+]+:)?//!i ? $_ : $top_url.$_;
+ $buf .= "\n\t" . prurl($ctx->{env}, $u);
+ }
+ }
+ ($buf);
+}
+
+sub _add_non_http_urls ($$) {
+ my ($ctx, $txt) = @_;
+ $ctx->{ibx}->can('nntp_url') or return; # TODO extindex can have IMAP
+ my $urls = $ctx->{ibx}->imap_url($ctx);
+ if (@$urls) {
+ $urls = join("\n ", @$urls);
+ $urls =~ s!://([^/@]+)/!://;AUTH=ANONYMOUS\@$1/!sg;
+ $$txt .= <<EOM
+
+IMAP subfolder(s) are available under:
+ $urls
+ # each subfolder (starting with `0') holds 50K messages at most
+EOM
+ }
+ $urls = $ctx->{ibx}->nntp_url($ctx);
+ if (@$urls) {
+ $$txt .= @$urls == 1 ? "\nNewsgroup" : "\nNewsgroups are";
+ $$txt .= ' available over NNTP:';
+ $$txt .= "\n " . join("\n ", @$urls) . "\n";
+ }
+ $urls = $ctx->{ibx}->pop3_url($ctx);
+ if (@$urls) {
+ $urls = join("\n ", @$urls);
+ $$txt .= <<EOM;
+
+POP3 access is available:
+ $urls
+
+The POP3 password is: anonymous
+The POP3 username is: \$(uuidgen)\@$ctx->{ibx}->{newsgroup}
+where \$(uuidgen) in the output of the `uuidgen' command on your system.
+The UUID in the username functions as a private cookie (don't share it).
+Idle accounts will expire periodically.
+EOM
+ }
+}
+
+sub _add_onion_note ($) {
+ my ($txt) = @_;
+ $$txt =~ m!\b[^:]+://\w+\.onion/!i and $$txt .= <<EOM
+
+note: .onion URLs require Tor: https://www.torproject.org/
+
+EOM
+}
+
+sub _mirror_help ($$) {
+ my ($ctx, $txt) = @_;
+ my $ibx = $ctx->{ibx};
+ my $base_url = $ibx->base_url($ctx->{env});
+ chop $base_url; # no trailing slash for "git clone"
+ my $dir = (split(m!/!, $base_url))[-1];
+ my %seen = ($base_url => 1);
+ my $top_url = $base_url;
+ $top_url =~ s!/[^/]+\z!/!;
+ $$txt .= "public-inbox mirroring instructions\n\n";
+ if ($ibx->can('cloneurl')) { # PublicInbox::Inbox
+ $$txt .=
+ "This public inbox may be cloned and mirrored by anyone:\n";
+ my @urls;
+ my $max = $ibx->max_git_epoch;
+ # TODO: some of these URLs may be too long and we may need to
+ # do something like code_footer() above, but these are local
+ # admin-defined
+ if (defined($max)) { # v2
+ for my $i (0..$max) {
+ # old epochs my be deleted:
+ -d "$ibx->{inboxdir}/git/$i.git" or next;
+ my $url = "$base_url/$i";
+ $seen{$url} = 1;
+ push @urls, "$url $dir/git/$i.git";
+ }
+ my $nr = scalar(@urls);
+ if ($nr > 1) {
+ chomp($$txt .= <<EOM);
+
+ # this inbox consists of $nr epochs: (no need to clone all of them)
+EOM
+ $urls[0] .= " # oldest";
+ $urls[-1] .= " # newest";