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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
package Bugzilla::Quantum::CGI;
use Mojo::Base 'Mojolicious::Controller';
use CGI::Compile;
use Try::Tiny;
use Taint::Util qw(untaint);
use Sys::Hostname;
use Sub::Quote 2.005000;
use Sub::Name;
use Socket qw(AF_INET inet_aton);
use File::Spec::Functions qw(catfile);
use File::Slurper qw(read_text);
use English qw(-no_match_vars);
use Bugzilla::Quantum::Stdout;
use Bugzilla::Constants qw(bz_locations USAGE_MODE_BROWSER);
our $C;
my %SEEN;
sub load_all {
my ($class, $r) = @_;
foreach my $file (glob '*.cgi') {
my $name = _file_to_method($file);
$class->load_one($name, $file);
$r->any("/$file")->to("CGI#$name");
}
}
sub load_one {
my ($class, $name, $file) = @_;
my $package = __PACKAGE__ . "::$name", my $inner_name = "_$name";
my $content = read_text(catfile(bz_locations->{cgi_path}, $file));
$content = "package $package; $content";
untaint($content);
my %options = (package => $package, file => $file, line => 1, no_defer => 1,);
die "Tried to load $file more than once" if $SEEN{$file}++;
my $inner = quote_sub $inner_name, $content, {}, \%options;
my $wrapper = sub {
my ($c) = @_;
my $stdin = $c->_STDIN;
local $C = $c;
local %ENV = $c->_ENV($file);
local $CGI::Compile::USE_REAL_EXIT = 0;
local $PROGRAM_NAME = $file;
local *STDIN; ## no critic (local)
open STDIN, '<', $stdin->path
or die "STDIN @{[$stdin->path]}: $!"
if -s $stdin->path;
tie *STDOUT, 'Bugzilla::Quantum::Stdout',
controller => $c; ## no critic (tie)
# the finally block calls cleanup.
$c->stash->{cleanup_guard}->dismiss;
Bugzilla->usage_mode(USAGE_MODE_BROWSER);
try {
Bugzilla->init_page();
$inner->();
}
catch {
die $_ unless _is_exit($_);
}
finally {
my $error = shift;
untie *STDOUT;
$c->finish if !$error || _is_exit($error);
Bugzilla->cleanup;
CGI::initialize_globals();
};
};
no strict 'refs'; ## no critic (strict)
*{$name} = subname($name, $wrapper);
return 1;
}
sub _ENV {
my ($c, $script_name) = @_;
my $tx = $c->tx;
my $req = $tx->req;
my $headers = $req->headers;
my $content_length
= $req->content->is_multipart ? $req->body_size : $headers->content_length;
my %env_headers = (HTTP_COOKIE => '', HTTP_REFERER => '');
$headers->content_type('application/x-www-form-urlencoded; charset=utf-8')
unless $headers->content_type;
for my $name (@{$headers->names}) {
my $key = uc "http_$name";
$key =~ s/\W/_/g;
$env_headers{$key} = $headers->header($name);
}
my $remote_user;
if (my $userinfo = $req->url->to_abs->userinfo) {
$remote_user = $userinfo =~ /([^:]+)/ ? $1 : '';
}
elsif (my $authenticate = $headers->authorization) {
$remote_user = $authenticate =~ /Basic\s+(.*)/ ? b64_decode $1 : '';
$remote_user = $remote_user =~ /([^:]+)/ ? $1 : '';
}
my $path_info = $c->stash->{'mojo.captures'}{'PATH_INFO'};
my %captures = %{$c->stash->{'mojo.captures'} // {}};
foreach my $key (keys %captures) {
if ( $key eq 'controller'
|| $key eq 'action'
|| $key eq 'PATH_INFO'
|| $key =~ /^REWRITE_/)
{
delete $captures{$key};
}
}
my $cgi_query = Mojo::Parameters->new(%captures);
$cgi_query->append($req->url->query);
my $prefix = $c->stash->{bmo_prefix} ? '/bmo/' : '/';
return (
%ENV,
CONTENT_LENGTH => $content_length || 0,
CONTENT_TYPE => $headers->content_type || '',
GATEWAY_INTERFACE => 'CGI/1.1',
HTTPS => $req->is_secure ? 'on' : 'off',
%env_headers,
QUERY_STRING => $cgi_query->to_string,
PATH_INFO => $path_info ? "/$path_info" : '',
REMOTE_ADDR => $tx->original_remote_address,
REMOTE_HOST => $tx->original_remote_address,
REMOTE_PORT => $tx->remote_port,
REMOTE_USER => $remote_user || '',
REQUEST_METHOD => $req->method,
SCRIPT_NAME => "$prefix$script_name",
SERVER_NAME => hostname,
SERVER_PORT => $tx->local_port,
SERVER_PROTOCOL => $req->is_secure
? 'HTTPS'
: 'HTTP', # TODO: Version is missing
SERVER_SOFTWARE => __PACKAGE__,
);
}
sub _STDIN {
my $c = shift;
my $stdin;
if ($c->req->content->is_multipart) {
$stdin = Mojo::Asset::File->new;
$stdin->add_chunk($c->req->build_body);
}
else {
$stdin = $c->req->content->asset;
}
return $stdin if $stdin->isa('Mojo::Asset::File');
return Mojo::Asset::File->new->add_chunk($stdin->slurp);
}
sub _file_to_method {
my ($name) = @_;
$name =~ s/\./_/s;
$name =~ s/\W+/_/gs;
return $name;
}
sub _is_exit {
my ($error) = @_;
return ref $error eq 'ARRAY' && $error->[0] eq "EXIT\n";
}
1;
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