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|
use Test::More 'no_plan';
use strict;
$ENV{CGI_APP_RETURN_ONLY} = 1;
use URI;
use URI::QueryParam;
my $Created_Link;
{
package WebApp;
use CGI;
use CGI::Application;
use vars qw(@ISA);
use URI;
use URI::Escape;
@ISA = ('CGI::Application');
use Test::More;
use CGI::Application::Plugin::LinkIntegrity;
sub setup {
my $self = shift;
$self->header_type('none');
$self->run_modes([qw(
link_okay
create_link
bad_user_no_biscuit
link_tampered
)]);
my %li_config = (
secret => 'extree seekrit',
);
if ($self->param('custom_rm')) {
$li_config{'link_tampered_run_mode'} = 'bad_user_no_biscuit';
}
if ($self->param('check')) {
$li_config{'checksum_param'} = $self->param('check');
}
if ($self->param('create_link')) {
$self->start_mode('create_link');
$li_config{'disable'} = 1;
}
else {
$self->start_mode('link_okay');
}
$self->link_integrity_config(
%li_config,
);
}
sub link_okay {
my $self = shift;
return 'rm=link_okay';
}
sub create_link {
my $self = shift;
return $self->link($self->param('create_link'));
}
sub link_tampered {
my $self = shift;
return 'rm=link_tampered';
}
sub bad_user_no_biscuit {
my $self = shift;
return 'rm=bad_user_no_biscuit';
}
}
###########################################################################
# Entry point: Build a link without parameters
my $meth;
my $link = URI->new('http://www.example.com/script.cgi');
$ENV{'REQUEST_METHOD'} = $meth = 'GET';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = $link->query || '';
CGI::initialize_globals();
is(WebApp->new->run, 'rm=link_okay', "[$meth] entry_point (no params) link_okay");
local *STDIN;
open(STDIN, '<', '/dev/null');
$ENV{'REQUEST_METHOD'} = $meth = 'POST';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = $link->query || '';
CGI::initialize_globals();
is(WebApp->new->run, 'rm=link_okay', "[$meth] entry_point (no params) link_okay");
$ENV{'REQUEST_METHOD'} = $meth = 'POST';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = 'foo+bar+baz+boom';
CGI::initialize_globals();
is(WebApp->new->run, 'rm=link_okay', "[$meth] entry_point (no named params but with keywords) link_okay");
###########################################################################
# Bad entry point #1: Build a link with a non-blank keyword parameter
$link = URI->new('http://www.example.com/script.cgi?keywords=x');
# Validate it
$ENV{'REQUEST_METHOD'} = $meth = 'GET';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = $link->query || '';
# print STDERR "[$link] qs: $ENV{'QUERY_STRING'}\n";
CGI::initialize_globals();
is(WebApp->new->run, 'rm=link_tampered', "[$meth] bad entry_point 1 (non-blank 'keywords' param) link_tampered");
###########################################################################
# Bad entry point #2: Build a link with a zero (still non-blank) keyword parameter
$link = URI->new('http://www.example.com/script.cgi?keywords=0');
# Validate it
$ENV{'REQUEST_METHOD'} = $meth = 'GET';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = $link->query;
# print STDERR "[$link] qs: $ENV{'QUERY_STRING'}\n";
CGI::initialize_globals();
is(WebApp->new->run, 'rm=link_tampered', "[$meth] bad entry_point 2 (false but non-blank 'keywords' param) link_tampered");
###########################################################################
# Bad entry point #3: Build a link with actual keywords
$link = URI->new('http://www.example.com/script.cgi');
# Validate it
$ENV{'REQUEST_METHOD'} = $meth = 'POST';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = 'foo+bar+baz boom';
# print STDERR "[$link] qs: $ENV{'QUERY_STRING'}\n";
is(WebApp->new->run, 'rm=link_tampered', "[$meth] bad entry_point 4 (URI contains actual keywords) link_tampered");
# Build the link
$ENV{'REQUEST_METHOD'} = 'POST';
$ENV{'SERVER_PORT'} = '80';
$ENV{'SCRIPT_NAME'} = '/cgi-bin/app.cgi';
$ENV{'SERVER_NAME'} = 'www.example.com';
$ENV{'PATH_INFO'} = '/my/happy/pathy/info';
$ENV{'QUERY_STRING'} = 'zap=zoom&zap=zub&guff=gubbins&zap=zuzzu';
$link = URI->new(WebApp->new(PARAMS => {
create_link => 'http://www.example.com/script.cgi/path/info?p1=v1&p2=v2&p2=v3',
})->run);
# Validate it
$ENV{'REQUEST_METHOD'} = 'POST';
$ENV{'SERVER_PORT'} = $link->port;
$ENV{'SCRIPT_NAME'} = $link->path;
$ENV{'SERVER_NAME'} = $link->authority;
$ENV{'PATH_INFO'} = '';
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[POST] link_okay');
# remove the _checksum from the query - this should invalidate it
my $checksum = $link->query_param_delete('_checksum');
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[POST] link_tampered (checksum removed)');
# add a bogus checksum - this should invalidate it
my $qf = $link->query_form_hash;
$qf->{'_checksum'} = 'xxxx';
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[POST] link_tampered (checksum changed)');
# restore original checksum - this should revalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = $checksum;
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[POST] link_okay (original checksum added again)');
###########################################################################
# Same tests with method=GET
$ENV{'REQUEST_METHOD'} = 'GET';
is(WebApp->new->run, 'rm=link_okay', '[GET] link_okay');
# remove the _checksum from the query - this should invalidate it
$checksum = $link->query_param_delete('_checksum');
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[GET] link_tampered (checksum removed)');
# add a bogus checksum - this should invalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = 'xxxx';
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[GET] link_tampered (checksum changed)');
# restore original checksum - this should revalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = $checksum;
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=link_okay', '[GET] link_okay (original checksum added again)');
###########################################################################
# Same tests with method=XXX
$ENV{'REQUEST_METHOD'} = 'XXX';
is(WebApp->new->run, 'rm=link_okay', '[XXX] link_okay');
# remove the _checksum from the query - this should invalidate it
$checksum = $link->query_param_delete('_checksum');
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[XXX] link_tampered (checksum removed)');
# add a bogus checksum - this should invalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = 'xxxx';
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[XXX] link_tampered (checksum changed)');
# restore original checksum - this should revalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = $checksum;
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=link_okay', '[XXX] link_okay (original checksum added again)');
###########################################################################
# Same tests with method=BARNEY
$ENV{'REQUEST_METHOD'} = 'PUT';
is(WebApp->new->run, 'rm=link_okay', '[PUT] link_okay');
# remove the _checksum from the query - this should invalidate it
$checksum = $link->query_param_delete('_checksum');
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[PUT] link_tampered (checksum removed)');
# add a bogus checksum - this should invalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = 'xxxx';
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[PUT] link_tampered (checksum changed)');
# restore original checksum - this should revalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = $checksum;
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=link_okay', '[PUT] link_okay (original checksum added again)');
###########################################################################
# Same tests with custom link_tampered_run_mode
$ENV{'REQUEST_METHOD'} = 'GET';
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=link_okay', '[CUSTOM RM] link_okay');
# remove the _checksum from the query - this should invalidate it
$checksum = $link->query_param_delete('_checksum');
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=bad_user_no_biscuit', '[CUSTOM RM] bad_user (checksum removed)');
# add a bogus checksum - this should invalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = 'xxxx';
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=bad_user_no_biscuit', '[CUSTOM RM] bad_user (checksum changed)');
# restore original checksum - this should revalidate it
$qf = $link->query_form_hash;
$qf->{'_checksum'} = $checksum;
$qf = $link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'custom_rm' => 1 })->run, 'rm=link_okay', '[CUSTOM RM] link_okay (original checksum added again)');
###########################################################################
# Same tests with custom checksum_param
$ENV{'REQUEST_METHOD'} = 'GET';
is(WebApp->new(PARAMS => { 'check' => '_checksum' })->run, 'rm=link_okay', '[custom checksum] link_okay');
is(WebApp->new(PARAMS => { 'check' => '**frobnicate**' })->run, 'rm=link_tampered', '[custom checksum] link_tampered (changed checksum_param)');
# remove the _checksum from the query - this should invalidate it
$qf = $link->query_form_hash;
delete $qf->{'_checksum'};
$qf->{'**frobnicate**'} = 'xxxx';
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'check' => '**frobnicate**' })->run, 'rm=link_tampered', '[custom checksum] link_tampered (checksum removed)');
# add a bogus checksum - this should invalidate it
delete $qf->{'**frobnicate**'};
$qf->{'xxx_frobozz_xxx'} = 'xxxx';
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'check' => 'xxx_frobozz_xxx' })->run, 'rm=link_tampered', '[custom checksum] link_tampered (checksum changed)');
# restore original checksum - this should revalidate it
delete $qf->{'xxx_frobozz_xxx'};
$qf->{'xxx_fizzle_***'} = $checksum;
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new(PARAMS => { 'check' => 'xxx_fizzle_***' })->run, 'rm=link_okay', '[custom checksum] link_okay (original checksum added again)');
###########################################################################
# Leave the checksum, alter a param
delete $qf->{'xxx_fizzle_***'};
$qf->{'_checksum'} = $checksum;
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
# add a param
$qf->{'yyy'} = 'xxxx';
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[alter param] link_tampered (added param)');
# change a param
delete $qf->{'yyy'};
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
$qf->{'p1'} = 'v1b';
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', '[alter param] link_tampered (changed param)');
$qf->{'p1'} = 'v1';
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
# change a value
$qf->{'p2'} = ['v2', 'v3b'];
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_tampered', "[alter param] link_tampered (changed a param's value)");
$qf->{'p2'} = ['v2', 'v3'];
$link->query_form_hash($qf);
$ENV{'QUERY_STRING'} = $link->query;
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
# change host
$ENV{'SERVER_NAME'} = 'www.badhost.com';
is(WebApp->new->run, 'rm=link_tampered', "[alter param] link_tampered (changed a host)");
$link->query_form_hash($qf);
$ENV{'SERVER_NAME'} = 'www.example.com';
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
# change port
$ENV{'SERVER_PORT'} = '88';
is(WebApp->new->run, 'rm=link_tampered', "[alter param] link_tampered (changed a host)");
$link->query_form_hash($qf);
$ENV{'SERVER_PORT'} = '80';
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
# change scheme
$ENV{'HTTPS'} = 'on';
is(WebApp->new->run, 'rm=link_tampered', "[alter param] link_tampered (changed a host)");
$link->query_form_hash($qf);
delete $ENV{'HTTPS'};
is(WebApp->new->run, 'rm=link_okay', '[alter param] link_okay');
|
