version 1.4, 2016/06/06 17:40:48
|
version 1.11, 2017/12/18 16:11:18
|
Line 43 package Apache::lonexttool;
|
Line 43 package Apache::lonexttool;
|
|
|
use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Net::OAuth; |
|
use Encode; |
use Encode; |
use Digest::SHA; |
use Digest::SHA; |
use HTML::Entities; |
use HTML::Entities; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon; |
|
use LONCAPA::ltiutils; |
|
|
sub handler { |
sub handler { |
my $r=shift; |
my $r=shift; |
Line 67 sub handler {
|
Line 67 sub handler {
|
# Is this even in a course? |
# Is this even in a course? |
unless ($env{'request.course.id'}) { |
unless ($env{'request.course.id'}) { |
if ($target ne 'tex') { |
if ($target ne 'tex') { |
&Apache::loncommon::simple_error_page($r,'','Not in a course'); |
&Apache::loncommon::simple_error_page($r,'','Not in a course', |
|
{'only_body' => 1}); |
} else { |
} else { |
$r->print('\textbf{Not in a course}\end{document}'); |
$r->print('\textbf{Not in a course}\end{document}'); |
} |
} |
Line 94 sub handler {
|
Line 95 sub handler {
|
if ($r->uri eq "/adm/$cdom/$cnum/$marker/$exttool") { |
if ($r->uri eq "/adm/$cdom/$cnum/$marker/$exttool") { |
my %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum); |
my %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum); |
if ($toolsettings{'id'}) { |
if ($toolsettings{'id'}) { |
my %ltitools = &Apache::lonnet::get_domain_ltitools($cdom); |
my $idx = $toolsettings{'id'}; |
if (ref($ltitools{$toolsettings{'id'}}) eq 'HASH') { |
my %ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer'); |
my %toolhash = %{$ltitools{$toolsettings{'id'}}}; |
if (ref($ltitools{$idx}) eq 'HASH') { |
|
my %toolhash = %{$ltitools{$idx}}; |
$toolhash{'display'} = { |
$toolhash{'display'} = { |
target => $toolsettings{'target'}, |
target => $toolsettings{'target'}, |
width => $toolsettings{'width'}, |
width => $toolsettings{'width'}, |
Line 104 sub handler {
|
Line 106 sub handler {
|
}; |
}; |
$toolhash{'crslabel'} = $toolsettings{'crslabel'}; |
$toolhash{'crslabel'} = $toolsettings{'crslabel'}; |
$toolhash{'crstitle'} = $toolsettings{'crstitle'}; |
$toolhash{'crstitle'} = $toolsettings{'crstitle'}; |
|
$toolhash{'crsappend'} = $toolsettings{'crsappend'}; |
$is_tool = 1; |
$is_tool = 1; |
|
my $launchok = 1; |
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$r->print(&mt('External Tool')); |
$r->print(&mt('External Tool')); |
} else { |
} else { |
|
my $now = time; |
|
if ($toolhash{'passback'}) { |
|
if (&LONCAPA::ltiutils::set_service_secret($cdom,$cnum,$marker,'grade',$now, |
|
\%toolsettings,\%toolhash) eq 'ok') { |
|
$toolhash{'gradesecret'} = $toolsettings{'gradesecret'}; |
|
} else { |
|
undef($launchok); |
|
} |
|
} |
|
if ($toolhash{'roster'}) { |
|
if (&LONCAPA::ltiutils::set_service_secret($cdom,$cnum,$marker,'roster',$now, |
|
\%toolsettings,\%toolhash) eq 'ok') { |
|
$toolhash{'rostersecret'} = $toolsettings{'rostersecret'}; |
|
} |
|
} |
my $submittext = &mt('Launch [_1]',$toolhash{'title'}); |
my $submittext = &mt('Launch [_1]',$toolhash{'title'}); |
if (($toolhash{'key'} ne '') && ($toolhash{'secret'} ne '') && ($toolhash{'url'} ne '')) { |
if (($toolhash{'key'} ne '') && ($toolhash{'secret'} ne '') && |
my %lti = <i_params($r,$cnum,$cdom,$submittext,\%toolhash); |
($toolhash{'url'} ne '') && ($launchok)) { |
$r->print(&launch_html($toolhash{'url'},$toolhash{'key'}, |
my %lti = <i_params($r,$cnum,$cdom,$idx,$submittext,\%toolhash); |
$toolhash{'secret'},$submittext,\%lti)); |
my $url = $toolhash{'url'}; |
|
if ($toolhash{'crsappend'} ne '') { |
|
$url .= $toolhash{'crsappend'}; |
|
} |
|
$r->print(&launch_html($url,$toolhash{'key'},$toolhash{'secret'}, |
|
$submittext,\%lti)); |
} else { |
} else { |
$r->print('<div>'.&mt('External Tool Unavailable').'</div>'); |
$r->print('<div>'.&mt('External Tool Unavailable').'</div>'); |
} |
} |
Line 131 sub handler {
|
Line 155 sub handler {
|
} |
} |
|
|
sub lti_params { |
sub lti_params { |
my ($r,$cnum,$cdom,$submittext,$toolsref) = @_; |
my ($r,$cnum,$cdom,$idx,$submittext,$toolsref) = @_; |
my ($version,$context_type,$msgtype,$toolname,$passback,$roster,$locale, |
my ($version,$context_type,$msgtype,$toolname,$passback,$roster,$locale, |
$crslabel,$crstitle,%fields,%rolesmap,%display,%custom,@userlangs); |
$crslabel,$crstitle,$gradesecret,$rostersecret,%fields,%rolesmap, |
|
%display,%custom,@userlangs); |
if (ref($toolsref) eq 'HASH') { |
if (ref($toolsref) eq 'HASH') { |
$version = $toolsref->{'version'}; |
$version = $toolsref->{'version'}; |
$toolname = $toolsref->{'title'}; |
$toolname = $toolsref->{'title'}; |
$passback = $toolsref->{'passback'}; |
$passback = $toolsref->{'passback'}; |
|
$gradesecret = $toolsref->{'gradesecret'}; |
$roster = $toolsref->{'roster'}; |
$roster = $toolsref->{'roster'}; |
|
$rostersecret = $toolsref->{'rostersecret'}; |
$msgtype = $toolsref->{'messagetype'}; |
$msgtype = $toolsref->{'messagetype'}; |
if (ref($toolsref->{'fields'}) eq 'HASH') { |
if (ref($toolsref->{'fields'}) eq 'HASH') { |
%fields = %{$toolsref->{'fields'}}; |
%fields = %{$toolsref->{'fields'}}; |
Line 242 sub lti_params {
|
Line 269 sub lti_params {
|
my $crsprotocol = $Apache::lonnet::protocol{$crshome}; |
my $crsprotocol = $Apache::lonnet::protocol{$crshome}; |
unless ($crsprotocol eq 'https') { |
unless ($crsprotocol eq 'https') { |
$crsprotocol = 'http'; |
$crsprotocol = 'http'; |
} |
} |
if ($passback) { |
if (($passback) || ($roster)) { |
if ($ltirole eq 'Learner') { |
if ($passback) { |
$ltiparams{'lis_outcome_service_url'} = $crsprotocol.'//'.$crshostname.'/adm/ltipassback'; |
$ltiparams{'lis_outcome_service_url'} = $crsprotocol.'://'.$crshostname.'/adm/service/passback'; |
$ltiparams{'ext_ims_lis_basic_outcome_url'} = $ltiparams{'lis_outcome_service_url'}; |
$ltiparams{'ext_ims_lis_basic_outcome_url'} = $ltiparams{'lis_outcome_service_url'}; |
$ltiparams{'lis_result_sourcedid'} = ''; #FIXME |
if ($gradesecret) { |
|
my $uniqid = $digest_symb.':::'.$digest_user.':::'.$env{'request.course.id'}; |
|
$ltiparams{'lis_result_sourcedid'} = &LONCAPA::ltiutils::get_service_id($gradesecret,$uniqid); |
|
} |
} |
} |
} |
if ($roster) { |
if ($roster) { |
if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { |
if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { |
$ltiparams{'ext_ims_lis_memberships_url'} = $crsprotocol.'://'.$crshostname.'/adm/service/roster'; |
$ltiparams{'ext_ims_lis_memberships_url'} = $crsprotocol.'//'.$crshostname.'/adm/ltiroster'; |
if ($rostersecret) { |
$ltiparams{'ext_ims_lis_memberships_id'} = ''; #FIXME |
my $uniqid = $digest_symb.':::'.$env{'request.course.id'}; |
|
$ltiparams{'ext_ims_lis_memberships_id'} = &LONCAPA::ltiutils::get_service_id($rostersecret,$uniqid); |
|
} |
|
} |
|
} |
|
my %digesthash; |
|
if ($ltiparams{'lis_result_sourcedid'}) { |
|
$digesthash{$ltiparams{'lis_result_sourcedid'}} = "$idx\0".time; |
|
} |
|
if ($ltiparams{'ext_ims_lis_memberships_id'}) { |
|
$digesthash{$ltiparams{'ext_ims_lis_memberships_id'}} = "$idx\0".time; |
|
} |
|
if (($digest_symb) && ($gradesecret || $rostersecret)) { |
|
$digesthash{$digest_symb} = $symb; |
|
} |
|
if (($passback) && ($gradesecret)) { |
|
$digesthash{$digest_user} = $uname.':'.$udom; |
|
} |
|
if (keys(%digesthash)) { |
|
&Apache::lonnet::put('exttools',\%digesthash,$cdom,$cnum); |
} |
} |
} |
} |
} |
} |
Line 287 sub lti_params {
|
Line 336 sub lti_params {
|
$ltiparams{'lis_person_contact_email_primary'} = $contact_email; |
$ltiparams{'lis_person_contact_email_primary'} = $contact_email; |
} |
} |
if ($fields{'user'}) { |
if ($fields{'user'}) { |
$ltiparams{'lis_person_sourcedid'} = $uname.':'.$udom; |
$ltiparams{'lis_person_sourcedid'} = $uname.':'.$udom; |
} |
} |
if (keys(%custom)) { |
if (keys(%custom)) { |
foreach my $key (keys(%custom)) { |
foreach my $key (keys(%custom)) { |
$ltiparams{'custom_'.$key} = $custom{$key}; |
my $value = $custom{$key}; |
|
$value =~ s/^\s+|\s+\$//g; |
|
if ($value =~ /^\QLONCAPA::env{\E([^\}]+)\}$/) { |
|
if (exists($env{$1})) { |
|
$value = $env{$1}; |
|
} |
|
} |
|
$ltiparams{'custom_'.$key} = $value; |
} |
} |
} |
} |
foreach my $key (keys(%ltiparams)) { |
foreach my $key (keys(%ltiparams)) { |
Line 303 sub lti_params {
|
Line 359 sub lti_params {
|
|
|
sub launch_html { |
sub launch_html { |
my ($url,$key,$secret,$submittext,$paramsref) = @_; |
my ($url,$key,$secret,$submittext,$paramsref) = @_; |
my $hashref = &sign_params($url,$key,$secret,$paramsref); |
my $hashref = &LONCAPA::ltiutils::sign_params($url,$key,$secret,$paramsref); |
|
my $action = &HTML::Entities::encode($url,'<>&"'); |
my $form = <<"END"; |
my $form = <<"END"; |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> |
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> |
<body> |
<body> |
<div id="LCltiLaunch"> |
<div id="LCltiLaunch"> |
<form name="LCltiLaunchForm" id="LCltiLaunchFormId" action="$url" method="post" encType="application/x-www-form-urlencoded"> |
<form name="LCltiLaunchForm" id="LCltiLaunchFormId" action="$action" method="post" encType="application/x-www-form-urlencoded"> |
END |
END |
if (ref($hashref) eq 'HASH') { |
if (ref($hashref) eq 'HASH') { |
foreach my $item (keys(%{$hashref})) { |
foreach my $item (keys(%{$hashref})) { |
Line 336 ENDJS
|
Line 393 ENDJS
|
return $form; |
return $form; |
} |
} |
|
|
sub sign_params { |
|
my ($url,$key,$secret,$paramsref) = @_; |
|
my $nonce = Digest::SHA::sha1_hex(sprintf("%06x%06x",rand(0xfffff0),rand(0xfffff0))); |
|
my $request = Net::OAuth->request("request token")->new( |
|
consumer_key => $key, |
|
consumer_secret => $secret, |
|
request_url => $url, |
|
request_method => 'POST', |
|
signature_method => 'HMAC-SHA1', |
|
timestamp => time, |
|
nonce => $nonce, |
|
callback => 'about:blank', |
|
extra_params => $paramsref, |
|
version => '1.0', |
|
); |
|
$request->sign; |
|
return $request->to_hash(); |
|
} |
|
|
|
1; |
1; |