348 lines
9.8 KiB
Perl
348 lines
9.8 KiB
Perl
# Main ApacheMP2 adapter for LLNG handler
|
|
#
|
|
# See http://lemonldap-ng.org/documentation/latest/handlerarch
|
|
package Lemonldap::NG::Handler::ApacheMP2::Main;
|
|
|
|
use strict;
|
|
use AutoLoader 'AUTOLOAD';
|
|
use Apache2::RequestUtil;
|
|
use Apache2::RequestRec;
|
|
use Apache2::Log;
|
|
use Apache2::ServerUtil;
|
|
use Apache2::Connection;
|
|
use Apache2::RequestIO;
|
|
use Apache2::Const;
|
|
use Apache2::Filter;
|
|
use APR::Table;
|
|
use Apache2::Const -compile =>
|
|
qw(FORBIDDEN HTTP_UNAUTHORIZED REDIRECT OK DECLINED DONE SERVER_ERROR AUTH_REQUIRED HTTP_SERVICE_UNAVAILABLE);
|
|
use base 'Lemonldap::NG::Handler::Main';
|
|
|
|
use constant FORBIDDEN => Apache2::Const::FORBIDDEN;
|
|
use constant HTTP_UNAUTHORIZED => Apache2::Const::HTTP_UNAUTHORIZED;
|
|
use constant REDIRECT => Apache2::Const::REDIRECT;
|
|
use constant OK => Apache2::Const::OK;
|
|
use constant DECLINED => Apache2::Const::DECLINED;
|
|
use constant DONE => Apache2::Const::DONE;
|
|
use constant SERVER_ERROR => Apache2::Const::SERVER_ERROR;
|
|
use constant AUTH_REQUIRED => Apache2::Const::AUTH_REQUIRED;
|
|
use constant MAINTENANCE => Apache2::Const::HTTP_SERVICE_UNAVAILABLE;
|
|
use constant BUFF_LEN => 8192;
|
|
|
|
# Set default logger
|
|
use constant defaultLogger => 'Lemonldap::NG::Common::Logger::Apache2';
|
|
|
|
# Set also default logger for PSGI launched in the same Perl process
|
|
$ENV{LLNG_DEFAULTLOGGER} ||= 'Lemonldap::NG::Common::Logger::Apache2';
|
|
|
|
eval { require threads::shared; };
|
|
|
|
our $request; # Apache2::RequestRec object for current request
|
|
|
|
#*run = \&Lemonldap::NG::Handler::Main::run;
|
|
|
|
## @rmethod protected int redirectFilter(string url, Apache2::Filter f)
|
|
# Launch the current HTTP request then redirects the user to $url.
|
|
# Used by logout_app and logout_app_sso targets
|
|
# @param $url URL to redirect the user
|
|
# @param $f Current Apache2::Filter object
|
|
# @return Constant $class->OK
|
|
sub redirectFilter {
|
|
my $class = shift;
|
|
my $url = shift;
|
|
my $f = shift;
|
|
unless ( $f->ctx ) {
|
|
|
|
# Here, we can use Apache2 functions instead of set_header_out
|
|
# since this function is used only with Apache2.
|
|
$f->r->status( $class->REDIRECT );
|
|
$f->r->status_line("303 See Other");
|
|
$f->r->headers_out->unset('Location');
|
|
$f->r->err_headers_out->set( 'Location' => $url );
|
|
$f->ctx(1);
|
|
}
|
|
while ( $f->read( my $buffer, 1024 ) ) {
|
|
}
|
|
$class->updateStatus( $f->r, '$class->REDIRECT',
|
|
$class->datas->{ $class->tsv->{whatToTrace} }, 'filter' );
|
|
return $class->OK;
|
|
}
|
|
|
|
__PACKAGE__->init();
|
|
|
|
# INTERNAL METHODS
|
|
|
|
## @method void thread_share(string $variable)
|
|
# try to share $variable between threads
|
|
# note: eval is needed,
|
|
# else it fails to compile if threads::shared is not loaded
|
|
# @param $variable the name of the variable to share
|
|
sub thread_share {
|
|
my ( $class, $variable ) = @_;
|
|
eval "threads::shared::share(\$variable);";
|
|
}
|
|
|
|
## @method void setServerSignature(string sign)
|
|
# modifies web server signature
|
|
# @param $sign String to add to server signature
|
|
sub setServerSignature {
|
|
my ( $class, $sign ) = @_;
|
|
eval {
|
|
Apache2::ServerUtil->server->push_handlers(
|
|
PerlPostConfigHandler => sub {
|
|
my ( $c, $l, $t, $s ) = @_;
|
|
$s->add_version_component($sign);
|
|
}
|
|
);
|
|
};
|
|
}
|
|
|
|
sub newRequest {
|
|
my ( $class, $r ) = @_;
|
|
$request = $r;
|
|
}
|
|
|
|
## @method void set_user(string user)
|
|
# sets remote_user
|
|
# @param user string username
|
|
sub set_user {
|
|
my ( $class, $user ) = @_;
|
|
$request->user($user);
|
|
}
|
|
|
|
## @method string header_in(string header)
|
|
# returns request header value
|
|
# @param header string request header
|
|
# @return request header value
|
|
sub header_in {
|
|
my ( $class, $header ) = @_;
|
|
$header ||= $class; # to use header_in as a method or as a function
|
|
return $request->headers_in->{$header};
|
|
}
|
|
|
|
## @method void set_header_in(hash headers)
|
|
# sets or modifies request headers
|
|
# @param headers hash containing header names => header value
|
|
sub set_header_in {
|
|
my ( $class, %headers ) = @_;
|
|
while ( my ( $h, $v ) = each %headers ) {
|
|
$request->headers_in->set( $h => $v );
|
|
}
|
|
}
|
|
|
|
## @method void unset_header_in(array headers)
|
|
# removes request headers
|
|
# This function looks a bit heavy: it is to ensure that if a request
|
|
# header 'Auth-User' is removed, 'Auth_User' be removed also
|
|
# @param headers array with header names to remove
|
|
sub unset_header_in {
|
|
my ( $class, @headers ) = @_;
|
|
foreach my $h1 (@headers) {
|
|
$h1 = lc $h1;
|
|
$h1 =~ s/-/_/g;
|
|
$request->headers_in->do(
|
|
sub {
|
|
my $h = shift;
|
|
my $h2 = lc $h;
|
|
$h2 =~ s/-/_/g;
|
|
$request->headers_in->unset($h) if ( $h1 eq $h2 );
|
|
return 1;
|
|
}
|
|
);
|
|
}
|
|
}
|
|
|
|
## @method void set_header_out(hash headers)
|
|
# sets response headers
|
|
# @param headers hash containing header names => header value
|
|
sub set_header_out {
|
|
my ( $class, %headers ) = @_;
|
|
while ( my ( $h, $v ) = each %headers ) {
|
|
$request->err_headers_out->set( $h => $v );
|
|
}
|
|
}
|
|
|
|
## @method string hostname()
|
|
# returns host, as set by full URI or Host header
|
|
# @return host string Host value
|
|
sub hostname {
|
|
my $class = shift;
|
|
return $request->hostname;
|
|
}
|
|
|
|
## @method string remote_ip
|
|
# returns client IP address
|
|
# @return IP_Addr string client IP
|
|
sub remote_ip {
|
|
my $class = shift;
|
|
my $remote_ip = (
|
|
$request->connection->can('remote_ip')
|
|
? $request->connection->remote_ip
|
|
: $request->connection->client_ip
|
|
);
|
|
return $remote_ip;
|
|
}
|
|
|
|
## @method boolean is_initial_req
|
|
# returns true unless the current request is a subrequest
|
|
# @return is_initial_req boolean
|
|
sub is_initial_req {
|
|
my $class = shift;
|
|
return $request->is_initial_req;
|
|
}
|
|
|
|
## @method string args(string args)
|
|
# gets the query string
|
|
# @return args string Query string
|
|
sub args {
|
|
my $class = shift;
|
|
return $request->args();
|
|
}
|
|
|
|
## @method string uri
|
|
# returns the path portion of the URI, normalized, i.e. :
|
|
# * URL decoded (characters encoded as %XX are decoded,
|
|
# except ? in order not to merge path and query string)
|
|
# * references to relative path components "." and ".." are resolved
|
|
# * two or more adjacent slashes are merged into a single slash
|
|
# @return path portion of the URI, normalized
|
|
sub uri {
|
|
my $class = shift;
|
|
my $uri = $request->uri;
|
|
$uri =~ s#//+#/#g;
|
|
$uri =~ s#\?#%3F#g;
|
|
return $uri;
|
|
}
|
|
|
|
## @method string uri_with_args
|
|
# returns the URI, with arguments and with path portion normalized
|
|
# @return URI with normalized path portion
|
|
sub uri_with_args {
|
|
my $class = shift;
|
|
return uri . ( $request->args ? "?" . $request->args : "" );
|
|
}
|
|
|
|
## @method string unparsed_uri
|
|
# returns the full original request URI, with arguments
|
|
# @return full original request URI, with arguments
|
|
sub unparsed_uri {
|
|
my $class = shift;
|
|
return $request->unparsed_uri;
|
|
}
|
|
|
|
## @method string get_server_port
|
|
# returns the port the server is receiving the current request on
|
|
# @return port string server port
|
|
sub get_server_port {
|
|
my $class = shift;
|
|
return $request->get_server_port;
|
|
}
|
|
|
|
## @method string method
|
|
# returns the port the server is receiving the current request on
|
|
# @return port string server port
|
|
sub method {
|
|
my $class = shift;
|
|
return $request->method;
|
|
}
|
|
|
|
## Return environment variables as hash
|
|
sub env {
|
|
return \%ENV;
|
|
}
|
|
|
|
## @method void print(string data)
|
|
# write data in HTTP response body
|
|
# @param data Text to add in response body
|
|
sub print {
|
|
my ( $class, $data ) = @_;
|
|
$request->print($data);
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
## @method void addToHtmlHead(string data)
|
|
# add data at end of html head
|
|
# @param data Text to add in html head
|
|
sub addToHtmlHead {
|
|
use APR::Bucket ();
|
|
use APR::Brigade ();
|
|
my ( $class, $data ) = @_;
|
|
$request->add_output_filter(
|
|
sub {
|
|
my $f = shift;
|
|
my $bb = shift;
|
|
my $ctx = $f->ctx;
|
|
|
|
#unless ($ctx) {
|
|
# $f->r->headers_out->unset('Content-Length');
|
|
#}
|
|
my $done = 0;
|
|
my $buffer = $ctx->{data} ? $ctx->{data} : '';
|
|
my ( $bdata, $seen_eos ) = flatten_bb($bb);
|
|
unless ($done) {
|
|
$done = 1
|
|
if ( $bdata =~ s/(<\/head>)/$data$1/si
|
|
or $bdata =~ s/(<body>)/$1$data/si );
|
|
}
|
|
$buffer .= $bdata if ($bdata);
|
|
if ($seen_eos) {
|
|
my $len = length $buffer;
|
|
$f->r->headers_out->set( 'Content-Length', $len );
|
|
$f->print($buffer) if ($buffer);
|
|
}
|
|
else {
|
|
$ctx->{data} = $buffer;
|
|
$f->ctx($ctx);
|
|
}
|
|
return OK;
|
|
}
|
|
);
|
|
}
|
|
|
|
sub flatten_bb {
|
|
my ($bb) = shift;
|
|
|
|
my $seen_eos = 0;
|
|
|
|
my @data;
|
|
for ( my $b = $bb->first ; $b ; $b = $bb->next($b) ) {
|
|
$seen_eos++, last if $b->is_eos;
|
|
$b->read( my $bdata );
|
|
push @data, $bdata;
|
|
}
|
|
return ( join( '', @data ), $seen_eos );
|
|
}
|
|
|
|
## @method void setPostParams(hashref $params)
|
|
# add or modify parameters in POST request body
|
|
# @param $params hashref containing name => value
|
|
sub setPostParams {
|
|
my ( $class, $params ) = @_;
|
|
$request->add_input_filter(
|
|
sub {
|
|
my $f = shift;
|
|
my $buffer;
|
|
|
|
# Filter only POST request body
|
|
if ( $f->r->method eq "POST" ) {
|
|
my $body;
|
|
while ( $f->read($buffer) ) { $body .= $buffer; }
|
|
while ( my ( $name, $value ) = each(%$params) ) {
|
|
$body =~ s/((^|&))$name=[^\&]*/$1$name=$value/
|
|
or $body .= "&$name=$value";
|
|
}
|
|
$body =~ s/^&//;
|
|
$f->print($body);
|
|
}
|
|
else {
|
|
$f->print($buffer) while ( $f->read($buffer) );
|
|
}
|
|
return OK;
|
|
}
|
|
);
|
|
}
|
|
|