2 # Copyright (C) 2014, Eric Wong <normalperson@yhbt.net> and all contributors
3 # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
5 # We focus on the lowest common denominators here:
6 # - targeted at text-only console browsers (lynx, w3m, etc..)
7 # - Only basic HTML, CSS only for line-wrapping <pre> text content for GUIs
8 # - No JavaScript, graphics or icons allowed.
9 # - Must not rely on static content
10 # - UTF-8 is only for user-content, 7-bit US-ASCII for us
15 use CGI qw(:cgi :escapeHTML -nosticky); # PSGI/FastCGI/mod_perl compat
16 use Encode qw(decode_utf8);
17 use PublicInbox::Config;
18 use Digest::SHA qw(sha1_hex);
19 our $LISTNAME_RE = qr!\A/([\w\.\-]+)!;
22 $pi_config = PublicInbox::Config->new;
23 # TODO: detect and reload config as needed
29 binmode STDOUT, ':utf8';
33 my ($status, $headers, $body) = @$ret;
34 if (@ARGV && $ARGV[0] eq 'static') {
37 print "Status: $status\r\n";
38 while (my ($k, $v) = each %$headers) {
46 # private functions below
51 if ($cgi->request_method !~ /\AGET|HEAD\z/) {
52 return r("405 Method Not Allowed");
54 my $path_info = decode_utf8($ENV{PATH_INFO});
56 # top-level indices and feeds
57 if ($path_info eq "/") {
59 } elsif ($path_info =~ m!$LISTNAME_RE/?\z!o) {
60 invalid_list(\%ctx, $1) || get_index(\%ctx, $cgi, 1);
61 } elsif ($path_info =~ m!$LISTNAME_RE/index\.atom\.xml\z!o) {
62 invalid_list(\%ctx, $1) || get_atom(\%ctx, $cgi, 1);
63 } elsif ($path_info =~ m!$LISTNAME_RE/all\.atom\.xml\z!o) {
64 invalid_list(\%ctx, $1) || get_atom(\%ctx, $cgi, 0);
66 # single-message pages
67 } elsif ($path_info =~ m!$LISTNAME_RE/m/(\S+)\.txt\z!o) {
68 invalid_list_mid(\%ctx, $1, $2) || get_mid_txt(\%ctx, $cgi);
69 } elsif ($path_info =~ m!$LISTNAME_RE/m/(\S+)\.html\z!o) {
70 invalid_list_mid(\%ctx, $1, $2) || get_mid_html(\%ctx, $cgi);
71 } elsif ($path_info =~ m!$LISTNAME_RE/m/(\S+)\z!o) {
72 redirect_mid_html($cgi, $1, $2);
78 sub r404 { r("404 Not Found") }
80 # simple response for errors
81 sub r { [ $_[0], { 'Content-Type' => 'text/plain' }, '' ] }
83 # returns undef if valid, array ref response if invalid
85 my ($ctx, $listname) = @_;
86 my $git_dir = $pi_config->get($listname, "mainrepo");
87 if (defined $git_dir) {
88 $ctx->{git_dir} = $git_dir;
89 $ctx->{listname} = $listname;
95 # returns undef if valid, array ref response if invalid
96 sub invalid_list_mid {
97 my ($ctx, $listname, $mid) = @_;
98 my $ret = invalid_list($ctx, $listname, $mid) and return $ret;
104 my ($ctx, $cgi, $top) = @_;
105 require PublicInbox::Feed;
106 [ '200 OK', { 'Content-Type' => 'application/xml' },
107 PublicInbox::Feed->generate({
108 git_dir => $ctx->{git_dir},
109 listname => $ctx->{listname},
110 pi_config => $pi_config,
118 my ($ctx, $cgi, $top) = @_;
119 require PublicInbox::Feed;
120 [ '200 OK', { 'Content-Type' => 'text/html' },
121 PublicInbox::Feed->generate_html_index({
122 git_dir => $ctx->{git_dir},
123 listname => $ctx->{listname},
124 pi_config => $pi_config,
133 local $ENV{GIT_DIR} = $ctx->{git_dir};
134 my $hex = sha1_hex($ctx->{mid});
135 $hex =~ /\A([a-f0-9]{2})([a-f0-9]{38})\z/i or
136 die "BUG: not a SHA-1 hex: $hex";
137 my $blob = `git cat-file blob HEAD:$1/$2 2>/dev/null`;
138 $? == 0 ? \$blob : undef;
142 my ($ctx, $cgi) = @_;
143 my $x = mid2blob($ctx);
144 $x ? [ "200 OK", {'Content-Type' => 'text/plain'}, $$x ] : r404();