/usr/local/CPAN/RayApp/RayApp/mod_perl_Storable.pm
package RayApp::mod_perl_Storable;
use RayApp ();
use Apache::Response ();
use Apache::RequestRec ();
use Apache::Const -compile => qw(OK SERVER_ERROR DECLINED NOT_FOUND);
use APR::Table ();
use Apache::RequestIO ();
use Config;
use Storable ();
use Apache::SubProcess ();
use strict;
sub print_errors (@) {
my $err_in_browser = pop;
if ($err_in_browser) {
print @_;
}
print STDERR @_;
}
my $rayapp;
sub handler {
my $r = shift;
my $uri;
if (defined $ENV{RAYAPP_DIRECTORY}) {
$uri = $ENV{RAYAPP_DIRECTORY};
$uri .= $ENV{PATH_INFO} if defined $ENV{PATH_INFO};
$ENV{SCRIPT_NAME} = $ENV{REQUEST_URI};
delete $ENV{PATH_INFO};
$ENV{PATH_TRANSLATED} = $uri;
} else {
$uri = $r->filename();
}
if (($uri =~ m!/$!
or -d $uri) and defined $ENV{'RAYAPP_DIRECTORY_INDEX'}) {
$uri .= '/' unless $uri =~ m!/$!;
$uri .= $ENV{'RAYAPP_DIRECTORY_INDEX'};
}
if ($uri =~ /\.html$/ and -f $uri) {
$r->filename($uri);
return Apache::DECLINED;
}
my $err_in_browser = ( defined $ENV{'RAYAPP_ERRORS_IN_BROWSER'}
and $ENV{'RAYAPP_ERRORS_IN_BROWSER'} );
$rayapp = new RayApp( 'cache' => 1 ) if not defined $rayapp;
my ($type, $dsd, $data, @stylesheets, @style_params);
my $stripped_uri = $uri;
$stripped_uri =~ s/\.(xml|html|txt|pdf|fo)$// and $type = $1;
if ($type eq 'html'
and defined $ENV{'RAYAPP_HTML_STYLESHEETS'}) {
@stylesheets = split /:/, $ENV{'RAYAPP_HTML_STYLESHEETS'};
} elsif ($type eq 'txt'
and defined $ENV{'RAYAPP_TXT_STYLESHEETS'}) {
@stylesheets = split /:/, $ENV{'RAYAPP_TXT_STYLESHEETS'};
} elsif (($type eq 'pdf' or $type eq 'fo')
and defined $ENV{'RAYAPP_FO_STYLESHEETS'}) {
@stylesheets = split /:/, $ENV{'RAYAPP_FO_STYLESHEETS'};
}
if ($type ne 'xml' and not @stylesheets) {
my $styleuri = $uri;
$styleuri =~ s/\.[^\.]+$//;
@stylesheets = RayApp::find_stylesheet($styleuri, $type);
}
if (-f $stripped_uri . '.xml') {
$uri = $stripped_uri . '.xml';
$r->filename($uri);
$dsd = $rayapp->load_xml($uri) or do {
$r->content_type('text/plain');
$r->print("Broken RayApp setup, XML not available, sorry.\n");
print_errors "Reading XML [$uri] failed: ",
$rayapp->errstr, "\n", $err_in_browser;
return Apache::SERVER_ERROR;
};
if ($type ne 'xml') {
bless $dsd, 'RayApp::DSD';
}
} else {
if ($uri =~ s/\.(xml|html|txt|pdf|fo)$//) {
$type = $1;
for my $ext ('.dsd') {
if (-f $uri . $ext) {
$uri .= $ext;
last;
}
}
}
$dsd = $rayapp->load_dsd($uri);
if (not defined $dsd) {
if (not -f $uri) {
return Apache::NOT_FOUND;
}
$r->content_type('text/plain');
$r->print("Broken RayApp setup, failed to load DSD, sorry.\n");
print_errors "Loading DSD [$uri] failed: ",
$rayapp->errstr, "\n", $err_in_browser;
return Apache::SERVER_ERROR;
}
my $application = $dsd->application_name;
if (not defined $application) {
my $appuri = $uri;
$appuri =~ s/\.[^\.]+$//;
my $ok = 0;
for my $ext ('.pl', '.mpl', '.xpl') {
if (-f $appuri . $ext) {
$application = $appuri . $ext;
$ok = 1;
last;
}
}
if (not $ok) {
$r->content_type('text/plain');
print "Broken RayApp setup, failed to find application, sorry.\n";
return Apache::SERVER_ERROR;
}
}
eval {
my $in_data = '';
my $tmp;
while ($r->read($tmp, 1024)) {
$in_data .= $tmp;
}
my ($in_fh, $out_fh, $err_fh) = $r->spawn_proc_prog($Config{perlpath}, [ '-MRayApp::CGIStorable', $application, $dsd->{uri} ]);
my $headers_in = $r->headers_in;
my $content_type_in = $headers_in->{'Content-Type'};
if (defined $content_type_in
and ($content_type_in =~ m!^application/x-www-form-urlencoded!
or $content_type_in =~ m!^multipart/form-data!)) {
$ENV{CONTENT_TYPE} = $content_type_in;
}
$ENV{CONTENT_LENGTH} = $headers_in->{'Content-Length'};
$ENV{REQUEST_METHOD} = $r->method;
print $in_fh $in_data;
close $in_fh;
my ($value, $err_value);
if ( $Config{useperlio} ) {
$value = join '', <$out_fh>;
$err_value = join '', <$err_fh>;
} else {
my $its_err = 0;
while ( IO::Select->new($out_fh)->can_read(10)
or ((($its_err = 1) == 1)
and IO::Select->new($err_fh)->can_read(10) ) ) {
if ($its_err) {
$err_value .= <$err_fh>;
} else {
$value .= <$out_fh>;
}
$its_err = 0;
}
}
close $out_fh;
close $err_fh;
print STDERR "Error: ", $err_value if defined $err_value and $err_value ne '';
if ($value =~ s!^Content-Type: application/x-perl-storable.*\n\n!!s) {
$data = Storable::thaw($value);
} else {
$data = $value;
}
};
# eval { $data = $rayapp->execute_application_process_storable($application, $dsd->{'uri'}) };
if ($@) {
$r->content_type('text/plain');
print "Broken RayApp setup, failed to run the application, sorry.\n";
print_errors "Error executing [$application]\n",
$@, $err_in_browser;
return Apache::SERVER_ERROR;
}
if (not ref $data and $data eq '500') {
$r->content_type('text/plain');
print "Broken RayApp setup, failed to run the application, sorry.\n";
print_errors "Error executing [$application]\n",
$rayapp->errstr, $err_in_browser;
return Apache::SERVER_ERROR;
}
if (not ref $data) {
# handler already sent the response itself
$r->send_cgi_header($data);
return Apache::OK;
}
if (ref $data eq 'ARRAY') {
@style_params = [ @{ $data }[ 1 .. $#$data ] ];
$data = $data->[0];
}
}
if (not @stylesheets) {
my $output;
if (ref $dsd eq 'HASH') {
$output = $dsd->{content};
} else {
$output = $dsd->serialize_data($data, { RaiseError => 0 });
if ($dsd->errstr) {
$r->content_type('text/plain');
print "Broken RayApp setup, data serialization failed, sorry.\n";
print_errors "Serialization failed for [$0]: ",
$dsd->errstr, "\n", $err_in_browser;
return Apache::SERVER_ERROR;
}
$r->headers_out->{'Pragma'} = 'no-cache';
$r->headers_out->{'Cache-control'} = 'no-cache';
}
$r->content_type('text/xml');
$r->print($output) unless $r->header_only;
return Apache::OK;
} else {
my ($output, $media, $charset) = $dsd->serialize_style($data,
{
'rayapp' => $rayapp,
( scalar(@style_params)
? ( style_params => \@style_params )
: () ),
RaiseError => 0,
},
@stylesheets);
if ($dsd->errstr or not defined $output) {
$r->content_type('text/plain');
print "Broken RayApp setup, failed to serialize and style your data, sorry.\n";
print_errors
"Serialization and styling failed for [$0]: ",
$dsd->errstr, "\n", $err_in_browser;
return Apache::SERVER_ERROR;
}
if (defined $media) {
if (defined $charset) {
$media .= "; charset=$charset";
}
$r->content_type($media);
}
print $output;
return Apache::OK;
}
return Apache::SERVER_ERROR;
}
1;