--- /dev/null
+# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+#
+# Plack app redirector for mapping /$NEWSGROUP requests to
+# the appropriate /$LISTNAME in PublicInbox::WWW because some
+# auto-linkifiers cannot handle nntp:// redirects properly.
+# This is also used directly by PublicInbox::WWW
+package PublicInbox::NewsWWW;
+use strict;
+use warnings;
+use PublicInbox::Config;
+use URI::Escape qw(uri_escape_utf8);
+
+sub new {
+ my ($class, $pi_config) = @_;
+ $pi_config ||= PublicInbox::Config->new;
+ bless { pi_config => $pi_config }, $class;
+}
+
+sub call {
+ my ($self, $env) = @_;
+ my $ng_map = $self->newsgroup_map;
+ my $path = $env->{PATH_INFO};
+ $path =~ s!\A/+!!;
+ $path =~ s!/+\z!!;
+
+ # some links may have the article number in them:
+ # /inbox.foo.bar/123456
+ my ($ng, $article) = split(m!/+!, $path, 2);
+ if (my $info = $ng_map->{$ng}) {
+ my $url = PublicInbox::Hval::prurl($env, $info->{url});
+ my $code = 301;
+ my $h = [ Location => $url, 'Content-Type' => 'text/plain' ];
+ if (defined $article && $article =~ /\A\d+\z/) {
+ my $mid = eval { ng_mid_for($ng, $info, $article) };
+ if (defined $mid) {
+ # article IDs are not stable across clones,
+ # do not encourage caching/bookmarking them
+ $code = 302;
+ $url .= uri_escape_utf8($mid) . '/';
+ }
+ }
+
+ return [ $code, $h, [ "Redirecting to $url\n" ] ]
+ }
+ [ 404, [ 'Content-Length' => 'text/plain' ], [] ];
+}
+
+sub ng_mid_for {
+ my ($ng, $info, $article) = @_;
+ # may fail due to lack of Danga::Socket
+ # for defer_weaken:
+ require PublicInbox::NewsGroup;
+ $ng = $info->{ng} ||=
+ PublicInbox::NewsGroup->new($ng, $info->{git_dir}, '');
+ $ng->mm->mid_for($article);
+}
+
+sub newsgroup_map {
+ my ($self) = @_;
+ my $rv;
+ $rv = $self->{ng_map} and return $rv;
+ my $pi_config = $self->{pi_config};
+ my %ng_map;
+ foreach my $k (keys %$pi_config) {
+ $k =~ /\Apublicinbox\.([^\.]+)\.mainrepo\z/ or next;
+ my $listname = $1;
+ my $git_dir = $pi_config->{"publicinbox.$listname.mainrepo"};
+ my $url = $pi_config->{"publicinbox.$listname.url"};
+ defined $url or next;
+ my $ng = $pi_config->{"publicinbox.$listname.newsgroup"};
+ next if (!defined $ng) || ($ng eq ''); # disabled
+
+ $url =~ m!/\z! or $url .= '/';
+ $ng_map{$ng} = { url => $url, git_dir => $git_dir };
+ }
+ $self->{ng_map} = \%ng_map;
+}
+
+1;
if ($method eq 'POST' &&
$path_info =~ m!$LISTNAME_RE/(git-upload-pack)\z!) {
my $path = $2;
- return (invalid_list($ctx, $1) ||
+ return (invalid_list($self, $ctx, $1) ||
serve_git($cgi, $ctx->{git}, $path));
}
elsif ($method !~ /\AGET|HEAD\z/) {
if ($path_info eq '/') {
r404();
} elsif ($path_info =~ m!$LISTNAME_RE\z!o) {
- invalid_list($ctx, $1) || r301($ctx, $1);
+ invalid_list($self, $ctx, $1) || r301($ctx, $1);
} elsif ($path_info =~ m!$LISTNAME_RE(?:/|/index\.html)?\z!o) {
- invalid_list($ctx, $1) || get_index($ctx);
+ invalid_list($self, $ctx, $1) || get_index($ctx);
} elsif ($path_info =~ m!$LISTNAME_RE/(?:atom\.xml|new\.atom)\z!o) {
- invalid_list($ctx, $1) || get_atom($ctx);
+ invalid_list($self, $ctx, $1) || get_atom($ctx);
} elsif ($path_info =~ m!$LISTNAME_RE/
($PublicInbox::GitHTTPBackend::ANY)\z!ox) {
my $path = $2;
- invalid_list($ctx, $1) || serve_git($cgi, $ctx->{git}, $path);
+ invalid_list($self, $ctx, $1) ||
+ serve_git($cgi, $ctx->{git}, $path);
} elsif ($path_info =~ m!$LISTNAME_RE/$MID_RE/$END_RE\z!o) {
- msg_page($ctx, $1, $2, $3);
+ msg_page($self, $ctx, $1, $2, $3);
# in case people leave off the trailing slash:
} elsif ($path_info =~ m!$LISTNAME_RE/$MID_RE/(f|T|t|R)\z!o) {
r301($ctx, $1, $2);
} else {
- legacy_redirects($ctx, $path_info);
+ legacy_redirects($self, $ctx, $path_info);
}
}
# returns undef if valid, array ref response if invalid
sub invalid_list {
- my ($ctx, $listname) = @_;
+ my ($self, $ctx, $listname, $mid) = @_;
my $git_dir = $ctx->{pi_config}->get($listname, "mainrepo");
if (defined $git_dir) {
$ctx->{git_dir} = $git_dir;
$ctx->{listname} = $listname;
return;
}
- r404();
+
+ # sometimes linkifiers (not ours!) screw up automatic link
+ # generation and link things intended for nntp:// to https?://,
+ # so try to infer links and redirect them to the appropriate
+ # list URL.
+ $self->news_www->call($ctx->{cgi}->{env});
}
# returns undef if valid, array ref response if invalid
sub invalid_list_mid {
- my ($ctx, $listname, $mid) = @_;
- my $ret = invalid_list($ctx, $listname, $mid);
+ my ($self, $ctx, $listname, $mid) = @_;
+ my $ret = invalid_list($self, $ctx, $listname, $mid);
return $ret if $ret;
$ctx->{mid} = $mid = uri_unescape($mid);
if ($mid =~ /\A[a-f0-9]{40}\z/) {
+ # this is horiffically wasteful for legacy URLs:
if ($mid = mid2blob($ctx)) {
require Email::Simple;
use PublicInbox::MID qw/mid_clean/;
}
sub legacy_redirects {
- my ($ctx, $path_info) = @_;
+ my ($self, $ctx, $path_info) = @_;
# single-message pages
if ($path_info =~ m!$LISTNAME_RE/m/(\S+)/\z!o) {
# some Message-IDs have slashes in them and the HTTP server
# may try to be clever and unescape them :<
} elsif ($path_info =~ m!$LISTNAME_RE/(\S+/\S+)/$END_RE\z!o) {
- msg_page($ctx, $1, $2, $3);
+ msg_page($self, $ctx, $1, $2, $3);
# in case people leave off the trailing slash:
} elsif ($path_info =~ m!$LISTNAME_RE/(\S+/\S+)/(f|T|t)\z!o) {
r301($ctx, $1, $2, $3 eq 't' ? 't/#u' : $3);
} else {
- r404();
+ $self->news_www->call($ctx->{cgi}->{env});
}
}
}
sub msg_page {
- my ($ctx, $list, $mid, $e) = @_;
- unless (invalid_list_mid($ctx, $list, $mid)) {
- '' eq $e and return get_mid_html($ctx);
- 't/' eq $e and return get_thread($ctx);
- 't.atom' eq $e and return get_thread_atom($ctx);
- 't.mbox' eq $e and return get_thread_mbox($ctx);
- 't.mbox.gz' eq $e and return get_thread_mbox($ctx, '.gz');
- 'T/' eq $e and return get_thread($ctx, 1);
- 'raw' eq $e and return get_mid_txt($ctx);
- 'f/' eq $e and return get_full_html($ctx);
- 'R/' eq $e and return get_reply_html($ctx);
- }
+ my ($self, $ctx, $list, $mid, $e) = @_;
+ my $ret;
+ $ret = invalid_list_mid($self, $ctx, $list, $mid) and return $ret;
+ '' eq $e and return get_mid_html($ctx);
+ 't/' eq $e and return get_thread($ctx);
+ 't.atom' eq $e and return get_thread_atom($ctx);
+ 't.mbox' eq $e and return get_thread_mbox($ctx);
+ 't.mbox.gz' eq $e and return get_thread_mbox($ctx, '.gz');
+ 'T/' eq $e and return get_thread($ctx, 1);
+ 'raw' eq $e and return get_mid_txt($ctx);
+ 'f/' eq $e and return get_full_html($ctx);
+ 'R/' eq $e and return get_reply_html($ctx);
r404($ctx);
}
PublicInbox::GitHTTPBackend::serve($cgi, $git, $path);
}
+sub news_www {
+ my ($self) = @_;
+ my $nw = $self->{news_www};
+ return $nw if $nw;
+ require PublicInbox::NewsWWW;
+ $self->{news_www} = PublicInbox::NewsWWW->new($self->{pi_config});
+}
+
1;