version 1.9, 2018/05/15 04:33:17
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version 1.12, 2018/05/30 17:22:30
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Line 34 use Digest::SHA;
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Line 34 use Digest::SHA;
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use UUID::Tiny ':std'; |
use UUID::Tiny ':std'; |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon; |
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use Apache::loncoursedata; |
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use Apache::lonuserutils; |
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use Apache::lonenc(); |
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use Apache::longroup(); |
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use Apache::lonlocal; |
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use Math::Round(); |
use LONCAPA qw(:DEFAULT :match); |
use LONCAPA qw(:DEFAULT :match); |
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# |
# |
Line 474 sub release_tool_lock {
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Line 480 sub release_tool_lock {
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# |
# |
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sub lti_provider_scope { |
sub lti_provider_scope { |
my ($tail,$cdom,$cnum) = @_; |
my ($tail,$cdom,$cnum,$getunenc) = @_; |
my ($scope,$realuri); |
my ($scope,$realuri,$passkey,$unencsymb); |
if ($tail =~ m{^/uploaded/$cdom/$cnum/(?:default|supplemental)(?:|_\d+)\.(?:sequence|page)(|___\d+___.+)$}) { |
if ($tail =~ m{^/?uploaded/$cdom/$cnum/(?:default|supplemental)(?:|_\d+)\.(?:sequence|page)(|___\d+___.+)$}) { |
my $rest = $1; |
my $rest = $1; |
if ($rest eq '') { |
if ($rest eq '') { |
$scope = 'map'; |
$scope = 'map'; |
Line 489 sub lti_provider_scope {
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Line 495 sub lti_provider_scope {
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} else { |
} else { |
$scope = 'resource'; |
$scope = 'resource'; |
$realuri .= '?symb='.$tail; |
$realuri .= '?symb='.$tail; |
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$passkey = $tail; |
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if ($getunenc) { |
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$unencsymb = $tail; |
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} |
} |
} |
} |
} |
} elsif ($tail =~ m{^/res/$match_domain/$match_username/.+\.(?:sequence|page)(|___\d+___.+)$}) { |
} elsif ($tail =~ m{^/?res/$match_domain/$match_username/.+\.(?:sequence|page)(|___\d+___.+)$}) { |
my $rest = $1; |
my $rest = $1; |
if ($rest eq '') { |
if ($rest eq '') { |
$scope = 'map'; |
$scope = 'map'; |
Line 504 sub lti_provider_scope {
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Line 514 sub lti_provider_scope {
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} else { |
} else { |
$scope = 'resource'; |
$scope = 'resource'; |
$realuri .= '?symb='.$tail; |
$realuri .= '?symb='.$tail; |
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$passkey = $tail; |
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if ($getunenc) { |
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$unencsymb = $tail; |
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} |
} |
} |
} |
} |
} elsif ($tail =~ m{^/tiny/$cdom/(\w+)$}) { |
} elsif ($tail =~ m{^/tiny/$cdom/(\w+)$}) { |
Line 528 sub lti_provider_scope {
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Line 542 sub lti_provider_scope {
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} else { |
} else { |
$scope = 'resource'; |
$scope = 'resource'; |
} |
} |
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$passkey = $symb; |
if ((&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i) && |
if ((&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i) && |
(!$env{'request.role.adv'})) { |
(!$env{'request.role.adv'})) { |
$realuri = &Apache::lonenc::encrypted(&Apache::lonnet::clutter($url)); |
$realuri = &Apache::lonenc::encrypted(&Apache::lonnet::clutter($url)); |
Line 540 sub lti_provider_scope {
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Line 555 sub lti_provider_scope {
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$realuri .= '?symb='.$symb; |
$realuri .= '?symb='.$symb; |
} |
} |
} |
} |
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if ($getunenc) { |
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$unencsymb = $symb; |
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} |
} |
} |
} elsif ($tail =~ m{^/$cdom/$cnum$}) { |
} elsif (($tail =~ m{^/$cdom/$cnum$}) || ($tail eq '')) { |
$scope = 'course'; |
$scope = 'course'; |
$realuri = '/adm/navmaps'; |
$realuri = '/adm/navmaps'; |
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$passkey = $tail; |
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} |
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if ($scope eq 'map') { |
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$passkey = $realuri; |
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} |
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if (wantarray) { |
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return ($scope,$realuri,$unencsymb); |
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} else { |
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return $passkey; |
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} |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Obtain a list of course personnel and students from |
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# the LTI Consumer which launched this instance. |
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# |
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sub get_roster { |
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my ($id,$url,$ckey,$secret) = @_; |
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my %ltiparams = ( |
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lti_version => 'LTI-1p0', |
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lti_message_type => 'basic-lis-readmembershipsforcontext', |
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ext_ims_lis_memberships_id => $id, |
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); |
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my $hashref = &sign_params($url,$ckey,$secret,\%ltiparams); |
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if (ref($hashref) eq 'HASH') { |
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my $request=new HTTP::Request('POST',$url); |
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$request->content(join('&',map { |
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my $name = escape($_); |
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"$name=" . ( ref($hashref->{$_}) eq 'ARRAY' |
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? join("&$name=", map {escape($_) } @{$hashref->{$_}}) |
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: &escape($hashref->{$_}) ); |
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} keys(%{$hashref}))); |
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my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10); |
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my $message=$response->status_line; |
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if (($response->is_success) && ($response->content ne '')) { |
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my %data = (); |
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my $count = 0; |
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my @state = (); |
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my @items = ('user_id','roles','person_sourcedid','person_name_given','person_name_family', |
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'person_contact_email_primary','person_name_full','lis_result_sourcedid'); |
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my $p = HTML::Parser->new |
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( |
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xml_mode => 1, |
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start_h => |
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[sub { |
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my ($tagname, $attr) = @_; |
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push(@state,$tagname); |
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if ("@state" eq "message_response memberships member") { |
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$count ++; |
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} |
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}, "tagname, attr"], |
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text_h => |
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[sub { |
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my ($text) = @_; |
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foreach my $item (@items) { |
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if ("@state" eq "message_response memberships member $item") { |
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$data{$count}{$item} = $text; |
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} |
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} |
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}, "dtext"], |
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end_h => |
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[sub { |
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my ($tagname) = @_; |
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pop @state; |
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}, "tagname"], |
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); |
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$p->parse($response->content); |
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$p->eof; |
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return %data; |
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} |
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} |
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return; |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Passback a grade for a user to the LTI Consumer which originally |
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# provided the lis_result_sourcedid |
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# |
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sub send_grade { |
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my ($id,$url,$ckey,$secret,$scoretype,$total,$possible) = @_; |
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my $score; |
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if ($possible > 0) { |
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if ($scoretype eq 'ratio') { |
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$score = Math::Round::round($total).'/'.Math::Round::round($possible); |
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} elsif ($scoretype eq 'percentage') { |
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$score = (100.0*$total)/$possible; |
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$score = Math::Round::round($score); |
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} else { |
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$score = $total/$possible; |
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$score = sprintf("%.2f",$score); |
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} |
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} |
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my $date = &Apache::loncommon::utc_string(time); |
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my %ltiparams = ( |
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lti_version => 'LTI-1p0', |
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lti_message_type => 'basic-lis-updateresult', |
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sourcedid => $id, |
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result_resultscore_textstring => $score, |
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result_resultscore_language => 'en-US', |
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result_resultvaluesourcedid => $scoretype, |
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result_statusofresult => 'final', |
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result_date => $date, |
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); |
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my $hashref = &sign_params($url,$ckey,$secret,\%ltiparams); |
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if (ref($hashref) eq 'HASH') { |
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my $request=new HTTP::Request('POST',$url); |
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$request->content(join('&',map { |
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my $name = escape($_); |
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"$name=" . ( ref($hashref->{$_}) eq 'ARRAY' |
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? join("&$name=", map {escape($_) } @{$hashref->{$_}}) |
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: &escape($hashref->{$_}) ); |
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} keys(%{$hashref}))); |
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my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10); |
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my $message=$response->status_line; |
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#FIXME Handle case where pass back of score to LTI Consumer failed. |
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} |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Create a new user in LON-CAPA. If the domain's configuration |
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# includes rules for format of "official" usernames, those rules |
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# will apply when determining if a user is to be created. In |
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# additional if institutional user information is available that |
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# will be used when creating a new user account. |
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# |
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sub create_user { |
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my ($ltiref,$uname,$udom,$domdesc,$data,$alerts,$rulematch,$inst_results, |
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$curr_rules,$got_rules) = @_; |
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return unless (ref($ltiref) eq 'HASH'); |
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my $checkhash = { "$uname:$udom" => { 'newuser' => 1, }, }; |
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my $checks = { 'username' => 1, }; |
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my ($lcauth,$lcauthparm); |
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&Apache::loncommon::user_rule_check($checkhash,$checks,$alerts,$rulematch, |
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$inst_results,$curr_rules,$got_rules); |
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my ($userchkmsg,$lcauth,$lcauthparm); |
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my $allowed = 1; |
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if (ref($alerts->{'username'}) eq 'HASH') { |
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if (ref($alerts->{'username'}{$udom}) eq 'HASH') { |
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if ($alerts->{'username'}{$udom}{$uname}) { |
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if (ref($curr_rules->{$udom}) eq 'HASH') { |
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$userchkmsg = |
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&Apache::loncommon::instrule_disallow_msg('username',$domdesc,1). |
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&Apache::loncommon::user_rule_formats($udom,$domdesc, |
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$curr_rules->{$udom}{'username'}, |
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'username'); |
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} |
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$allowed = 0; |
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} |
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} |
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} |
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if ($allowed) { |
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if (ref($rulematch->{$uname.':'.$udom}) eq 'HASH') { |
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my $matchedrule = $rulematch->{$uname.':'.$udom}{'username'}; |
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my ($rules,$ruleorder) = |
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&Apache::lonnet::inst_userrules($udom,'username'); |
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if (ref($rules) eq 'HASH') { |
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if (ref($rules->{$matchedrule}) eq 'HASH') { |
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$lcauth = $rules->{$matchedrule}{'authtype'}; |
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$lcauthparm = $rules->{$matchedrule}{'authparm'}; |
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} |
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} |
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} |
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if ($lcauth eq '') { |
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$lcauth = $ltiref->{'lcauth'}; |
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if ($lcauth eq 'internal') { |
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$lcauthparm = &create_passwd(); |
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} else { |
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$lcauthparm = $ltiref->{'lcauthparm'}; |
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} |
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} |
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} else { |
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return 'notallowed'; |
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} |
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my @userinfo = ('firstname','middlename','lastname','generation','permanentemail','id'); |
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my (%useinstdata,%info); |
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if (ref($ltiref->{'instdata'}) eq 'ARRAY') { |
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map { $useinstdata{$_} = 1; } @{$ltiref->{'instdata'}}; |
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} |
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foreach my $item (@userinfo) { |
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if (($useinstdata{$item}) && (ref($inst_results->{$uname.':'.$udom}) eq 'HASH') && |
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($inst_results->{$uname.':'.$udom}{$item} ne '')) { |
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$info{$item} = $inst_results->{$uname.':'.$udom}{$item}; |
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} else { |
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if ($item eq 'permanentemail') { |
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if ($data->{'permanentemail'} =~/^[^\@]+\@[^@]+$/) { |
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$info{$item} = $data->{'permanentemail'}; |
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} |
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} elsif (($item eq 'firstname') || ($item eq 'lastname')) { |
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$info{$item} = $data->{$item}; |
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} |
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} |
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} |
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if (($info{'middlename'} eq '') && ($data->{'fullname'} ne '')) { |
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unless ($useinstdata{'middlename'}) { |
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my $fullname = $data->{'fullname'}; |
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if ($info{'firstname'}) { |
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$fullname =~ s/^\s*\Q$info{'firstname'}\E\s*//i; |
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} |
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if ($info{'lastname'}) { |
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$fullname =~ s/\s*\Q$info{'lastname'}\E\s*$//i; |
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} |
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if ($fullname ne '') { |
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$fullname =~ s/^\s+|\s+$//g; |
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if ($fullname ne '') { |
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$info{'middlename'} = $fullname; |
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} |
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} |
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} |
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} |
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if (ref($inst_results->{$uname.':'.$udom}{'inststatus'}) eq 'ARRAY') { |
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my @inststatuses = @{$inst_results->{$uname.':'.$udom}{'inststatus'}}; |
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$info{'inststatus'} = join(':',map { &escape($_); } @inststatuses); |
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} |
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my $result = |
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&Apache::lonnet::modifyuser($udom,$uname,$info{'id'}, |
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$lcauth,$lcauthparm,$info{'firstname'}, |
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$info{'middlename'},$info{'lastname'}, |
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$info{'generation'},undef,undef, |
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$info{'permanentemail'},$info{'inststatus'}); |
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return $result; |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Create a password for a new user if the authentication |
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# type to assign to new users created following LTI launch is |
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# to be LON-CAPA "internal". |
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# |
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sub create_passwd { |
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my $passwd = ''; |
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srand( time() ^ ($$ + ($$ << 15)) ); # Seed rand. |
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my @letts = ("a".."z"); |
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for (my $i=0; $i<8; $i++) { |
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my $lettnum = int(rand(2)); |
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my $item = ''; |
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if ($lettnum) { |
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$item = $letts[int(rand(26))]; |
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my $uppercase = int(rand(2)); |
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if ($uppercase) { |
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$item =~ tr/a-z/A-Z/; |
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} |
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} else { |
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$item = int(rand(10)); |
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} |
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$passwd .= $item; |
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} |
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return ($passwd); |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Enroll a user in a LON-CAPA course, with the specified role and (optional) |
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# section. If this is a self-enroll case, i.e., a user launched the LTI tool |
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# in the Consumer, user privs will be added to the user's environment for |
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# the new role. |
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# |
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# If this is a self-enroll case, a Course Coordinator role will only be assigned |
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# if the current user is also the course owner. |
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# |
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sub enrolluser { |
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my ($udom,$uname,$role,$cdom,$cnum,$sec,$start,$end,$selfenroll) = @_; |
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my $enrollresult; |
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my $area = "/$cdom/$cnum"; |
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if (($role ne 'cc') && ($role ne 'co') && ($sec ne '')) { |
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$area .= '/'.$sec; |
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} |
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my $spec = $role.'.'.$area; |
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my $instcid; |
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if ($role eq 'st') { |
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$enrollresult = |
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&Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef, |
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undef,undef,$sec,$end,$start, |
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'ltienroll',undef,$cdom.'_'.$cnum, |
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$selfenroll,'ltienroll','',$instcid); |
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} elsif ($role =~ /^(cc|in|ta|ep)$/) { |
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$enrollresult = |
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&Apache::lonnet::assignrole($udom,$uname,$area,$role,$end,$start, |
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undef,$selfenroll,'ltienroll'); |
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} |
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if ($enrollresult eq 'ok') { |
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if ($selfenroll) { |
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my (%userroles,%newrole,%newgroups); |
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&Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum, |
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$area); |
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&Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups); |
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$userroles{'user.role.'.$spec} = $start.'.'.$end; |
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&Apache::lonnet::appenv(\%userroles,[$role,'cm']); |
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} |
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} |
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return $enrollresult; |
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} |
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# |
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# LON-CAPA as LTI Provider |
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# |
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# Batch addition of users following LTI launch by a user |
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# with LTI Instructor status. |
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# |
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# A list of users is obtained by a call to get_roster() |
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# if the calling Consumer support the LTI extension: |
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# Context Memberships Service. |
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# |
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# If a user included in the retrieved list does not currently |
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# have a user account in LON-CAPA, an account will be created. |
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# |
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# If a user already has an account, and the same role and |
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# section assigned (currently active), then no change will |
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# be made for that user. |
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# |
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# Information available for new users (besides username and) |
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# role) may include: first name, last name, full name (from |
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# which middle name will be extracted), permanent e-mail address, |
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# and lis_result_sourcedid (for passback of grades). |
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# |
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# If grades are to be passed back, the passback url will be |
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# the same as for the current user's session. |
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# |
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# The roles which may be assigned will be determined from the |
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# LTI roles included in the retrieved roster, and the mapping |
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# of LTI roles to LON-CAPA roles configured for this LTI Consumer |
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# in the domain configuration. |
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# |
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# Course Coordinator roles will only be assigned if the current |
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# user is also the course owner. |
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# |
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# The domain configuration for the corresponding Consumer can include |
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# a section to assign to LTI users. If the roster includes students |
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# any existing student roles with a different section will be expired, |
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# and a role in the LTI section will be assigned. |
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# |
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# For non-student rules (excluding Course Coordinator) a role will be |
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# assigned with the LTI section )or no section, if one is not rquired. |
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# |
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sub batchaddroster { |
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my ($item) = @_; |
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return unless(ref($item) eq 'HASH'); |
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return unless (ref($item->{'ltiref'}) eq 'HASH'); |
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my ($cdom,$cnum) = split(/_/,$item->{'cid'}); |
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my $udom = $cdom; |
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my $id = $item->{'id'}; |
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my $url = $item->{'url'}; |
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my @intdoms; |
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my $intdomsref = $item->{'intdoms'}; |
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if (ref($intdomsref) eq 'ARRAY') { |
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@intdoms = @{$intdomsref}; |
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} |
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my $uriscope = $item->{'uriscope'}; |
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my $ckey = $item->{'ltiref'}->{'key'}; |
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my $secret = $item->{'ltiref'}->{'secret'}; |
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my $section = $item->{'ltiref'}->{'section'}; |
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$section =~ s/\W//g; |
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if ($section eq 'none') { |
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undef($section); |
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} elsif ($section ne '') { |
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my %curr_groups = |
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&Apache::longroup::coursegroups($cdom,$cnum); |
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if (exists($curr_groups{$section})) { |
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undef($section); |
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} |
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} |
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my (%maproles,@possroles); |
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if (ref($item->{'ltiref'}->{'maproles'}) eq 'HASH') { |
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%maproles = %{$item->{'ltiref'}->{'maproles'}}; |
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} |
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if (ref($item->{'possroles'}) eq 'ARRAY') { |
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@possroles = @{$item->{'possroles'}}; |
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} |
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if (($ckey ne '') && ($secret ne '') && ($id ne '') && ($url ne '')) { |
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my %data = &get_roster($id,$url,$ckey,$secret); |
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if (keys(%data) > 0) { |
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my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info); |
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my %coursehash = &Apache::lonnet::coursedescription($cdom.'_'.$cnum); |
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my $start = $coursehash{'default_enrollment_start_date'}; |
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my $end = $coursehash{'default_enrollment_end_date'}; |
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my $domdesc = &Apache::lonnet::domain($udom,'description'); |
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my $roster = &Apache::loncoursedata::get_classlist($cdom,$cnum); |
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my $status = &Apache::loncoursedata::CL_STATUS; |
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my $cend = &Apache::loncoursedata::CL_END; |
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my $cstart = &Apache::loncoursedata::CL_START; |
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my $lockedtype=&Apache::loncoursedata::CL_LOCKEDTYPE; |
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my $sec=&Apache::loncoursedata::CL_SECTION; |
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my (@activestudents,@futurestudents,@excludedstudents,@localstudents,%currlist,%advroles); |
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if (grep(/^st$/,@possroles)) { |
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foreach my $user (keys(%{$roster})) { |
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if ($user =~ m/^(.+):$cdom$/) { |
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my $stuname = $1; |
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if ($roster->{$user}[$status] eq "Active") { |
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push(@activestudents,$stuname); |
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@{$currlist{$stuname}} = @{$roster->{$user}}; |
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push(@localstudents,$stuname); |
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} elsif (($roster->{$user}[$cstart] > time) && ($roster->{$user}[$cend] > time || |
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$roster->{$user}[$cend] == 0 || $roster->{$user}[$cend] eq '')) { |
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push(@futurestudents,$stuname); |
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@{$currlist{$stuname}} = @{$roster->{$user}}; |
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push(@localstudents,$stuname); |
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} elsif ($roster->{$user}[$lockedtype] == 1) { |
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push(@excludedstudents,$stuname); |
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} |
|
} |
|
} |
|
} |
|
if ((@possroles > 1) || ((@possroles == 1) && (!grep(/^st$/,@possroles)))) { |
|
my %personnel = &Apache::lonnet::get_course_adv_roles($item->{'cid'},1); |
|
foreach my $item (keys(%personnel)) { |
|
my ($role,$currsec) = split(/:/,$item); |
|
if ($currsec eq '') { |
|
$currsec = 'none'; |
|
} |
|
foreach my $user (split(/,/,$personnel{$item})) { |
|
push(@{$advroles{$user}{$role}},$currsec); |
|
} |
|
} |
|
} |
|
if (($end == 0) || ($end > time) || (@localstudents > 0)) { |
|
my (%passback,$pbnum,$numadv); |
|
$numadv = 0; |
|
foreach my $i (sort { $a <=> $b } keys(%data)) { |
|
if (ref($data{$i}) eq 'HASH') { |
|
my $entry = $data{$i}; |
|
my $user = $entry->{'person_sourcedid'}; |
|
my $uname; |
|
if ($user =~ /^($match_username):($match_domain)$/) { |
|
$uname = $1; |
|
my $possudom = $2; |
|
if ($possudom ne $udom) { |
|
my $uintdom = &Apache::lonnet::domain($possudom,'primary'); |
|
if (($uintdom ne '') && (grep(/^\Q$uintdom\E$/,@intdoms))) { |
|
$udom = $possudom; |
|
} |
|
} |
|
} elsif ($uname =~ /^match_username$/) { |
|
$uname = $user; |
|
} else { |
|
next; |
|
} |
|
my $uhome = &Apache::lonnet::homeserver($uname,$udom); |
|
if ($uhome eq 'no_host') { |
|
my %data; |
|
$data{'permanentemail'} = $entry->{'person_contact_email_primary'}; |
|
$data{'lastname'} = $entry->{'person_name_family'}; |
|
$data{'firstname'} = $entry->{'person_name_given'}; |
|
$data{'fullname'} = $entry->{'person_name_full'}; |
|
my $addresult = |
|
&create_user($item->{'ltiref'},$uname,$udom, |
|
$domdesc,\%data,\%alerts,\%rulematch, |
|
\%inst_results,\%curr_rules,\%got_rules); |
|
next unless ($addresult eq 'ok'); |
|
} |
|
if ($env{'request.lti.passbackurl'}) { |
|
if ($entry->{'lis_result_sourcedid'} ne '') { |
|
unless ($pbnum) { |
|
($pbnum,my $error) = &store_passbackurl($env{'request.lti.login'}, |
|
$env{'request.lti.passbackurl'}, |
|
$cdom,$cnum); |
|
if ($pbnum eq '') { |
|
$pbnum = $env{'request.lti.passbackurl'}; |
|
} |
|
} |
|
$passback{$uname."\0".$uriscope."\0".$env{'request.lti.sourcecrs'}."\0".$env{'request.lti.login'}} = |
|
$pbnum."\0".$entry->{'lis_result_sourcedid'}; |
|
} |
|
} |
|
my $rolestr = $entry->{'roles'}; |
|
my ($lcrolesref) = &get_lc_roles($rolestr,\@possroles,\%maproles); |
|
my @lcroles = @{$lcrolesref}; |
|
if (@lcroles) { |
|
if (grep(/^st$/,@lcroles)) { |
|
my $addstu; |
|
if (!grep(/^\Q$uname\E$/,@excludedstudents)) { |
|
if (grep(/^\Q$uname\E$/,@localstudents)) { |
|
# Check for section changes |
|
if ($currlist{$uname}[$sec] ne $section) { |
|
$addstu = 1; |
|
&Apache::lonuserutils::modifystudent($udom,$uname,$cdom.'_'.$cnum, |
|
undef,undef,'course'); |
|
} elsif (grep(/^\Q$uname\E$/,@futurestudents)) { |
|
# Check for access date changes for students with access starting in the future. |
|
my $datechange = &datechange_check($currlist{$uname}[$cstart], |
|
$currlist{$uname}[$cend], |
|
$start,$end); |
|
if ($datechange) { |
|
$addstu = 1; |
|
} |
|
} |
|
} else { |
|
$addstu = 1; |
|
} |
|
} |
|
unless ($addstu) { |
|
pop(@lcroles); |
|
} |
|
} |
|
my @okroles; |
|
if (@lcroles) { |
|
foreach my $role (@lcroles) { |
|
unless (($role eq 'st') || (keys(%advroles) == 0)) { |
|
if (exists($advroles{$uname.':'.$udom})) { |
|
if ((ref($advroles{$uname.':'.$udom}) eq 'HASH') && |
|
(ref($advroles{$uname.':'.$udom}{$role}) eq 'ARRAY')) { |
|
if (($section eq '') || ($role eq 'cc') || ($role eq 'co')) { |
|
next if (grep(/^none$/,@{$advroles{$uname.':'.$udom}{$role}})); |
|
} else { |
|
next if (grep(/^\Q$sec\E$/,@{$advroles{$uname.':'.$udom}{$role}})); |
|
} |
|
} |
|
} |
|
} |
|
push(@okroles,$role); |
|
} |
|
} |
|
if (@okroles) { |
|
my $permanentemail = $entry->{'person_contact_email_primary'}; |
|
my $lastname = $entry->{'person_name_family'}; |
|
my $firstname = $entry->{'person_name_given'}; |
|
foreach my $role (@okroles) { |
|
my $enrollresult = &enrolluser($udom,$uname,$role,$cdom,$cnum, |
|
$section,$start,$end); |
|
if (($enrollresult eq 'ok') && ($role ne 'st')) { |
|
$numadv ++; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
if (keys(%passback)) { |
|
&Apache::lonnet::put('nohist_lti_passback',\%passback,$cdom,$cnum); |
|
} |
|
if ($numadv) { |
|
&Apache::lonnet::flushcourselogs(); |
|
} |
|
} |
|
} |
|
} |
|
return; |
|
} |
|
|
|
# |
|
# LON-CAPA as LTI Provider |
|
# |
|
# Gather a list of available LON-CAPA roles derived |
|
# from a comma separated list of LTI roles. |
|
# |
|
# Which LON-CAPA roles are assignable by the current user |
|
# and how LTI roles map to LON-CAPA roles (as defined in |
|
# the domain configuration for the specific Consumer) are |
|
# factored in when compiling the list of available roles. |
|
# |
|
# Inputs: 3 |
|
# $rolestr - comma separated list of LTI roles. |
|
# $allowedroles - reference to array of assignable LC roles |
|
# $maproles - ref to HASH of mapping of LTI roles to LC roles |
|
# |
|
# Outputs: 2 |
|
# (a) reference to array of available LC roles. |
|
# (b) reference to array of LTI roles. |
|
# |
|
|
|
sub get_lc_roles { |
|
my ($rolestr,$allowedroles,$maproles) = @_; |
|
my (@ltiroles,@lcroles); |
|
my @ltiroleorder = ('Instructor','TeachingAssistant','Mentor','Learner'); |
|
if ($rolestr =~ /,/) { |
|
my @possltiroles = split(/\s*,\s*/,$rolestr); |
|
foreach my $ltirole (@ltiroleorder) { |
|
if (grep(/^\Q$ltirole\E$/,@possltiroles)) { |
|
push(@ltiroles,$ltirole); |
|
} |
|
} |
|
} else { |
|
my $singlerole = $rolestr; |
|
$singlerole =~ s/^\s|\s+$//g; |
|
if ($singlerole ne '') { |
|
if (grep(/^\Q$singlerole\E$/,@ltiroleorder)) { |
|
@ltiroles = ($singlerole); |
|
} |
|
} |
|
} |
|
if (@ltiroles) { |
|
my %possroles; |
|
map { $possroles{$maproles->{$_}} = 1; } @ltiroles; |
|
if (keys(%possroles) > 0) { |
|
if (ref($allowedroles) eq 'ARRAY') { |
|
foreach my $item (@{$allowedroles}) { |
|
if (($item eq 'co') || ($item eq 'cc')) { |
|
if ($possroles{'cc'}) { |
|
push(@lcroles,$item); |
|
} |
|
} elsif ($possroles{$item}) { |
|
push(@lcroles,$item); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return (\@lcroles,\@ltiroles); |
|
} |
|
|
|
# |
|
# LON-CAPA as LTI Provider |
|
# |
|
# Compares current start and dates for a user's role |
|
# with dates to apply for the same user/role to |
|
# determine if there is a change between the current |
|
# ones and the updated ones. |
|
# |
|
|
|
sub datechange_check { |
|
my ($oldstart,$oldend,$startdate,$enddate) = @_; |
|
my $datechange = 0; |
|
unless ($oldstart eq $startdate) { |
|
$datechange = 1; |
|
} |
|
if (!$datechange) { |
|
if (!$oldend) { |
|
if ($enddate) { |
|
$datechange = 1; |
|
} |
|
} elsif ($oldend ne $enddate) { |
|
$datechange = 1; |
|
} |
|
} |
|
return $datechange; |
|
} |
|
|
|
# |
|
# LON-CAPA as LTI Provider |
|
# |
|
# Store the URL used by a specific LTI Consumer to process grades passed back |
|
# by an LTI Provider. |
|
# |
|
|
|
sub store_passbackurl { |
|
my ($ltinum,$pburl,$cdom,$cnum) = @_; |
|
my %history = &Apache::lonnet::restore($ltinum,'passbackurl',$cdom,$cnum); |
|
my ($pbnum,$version,$error); |
|
if ($history{'version'}) { |
|
$version = $history{'version'}; |
|
for (my $i=1; $i<=$version; $i++) { |
|
if ($history{$i.':pburl'} eq $pburl) { |
|
$pbnum = $i; |
|
last; |
|
} |
|
} |
|
} else { |
|
$version = 0; |
|
} |
|
if ($pbnum eq '') { |
|
# get lock on passbackurl db |
|
my $now = time; |
|
my $lockhash = { |
|
'lock'."\0".$ltinum."\0".$now => $env{'user.name'}.':'.$env{'user.domain'}, |
|
}; |
|
my $tries = 0; |
|
my $gotlock = &Apache::lonnet::newput('passbackurl',$lockhash,$cdom,$cnum); |
|
while (($gotlock ne 'ok') && ($tries<3)) { |
|
$tries ++; |
|
sleep 1; |
|
$gotlock = &Apache::lonnet::newput('passbackurl',$lockhash,$cdom.$cnum); |
|
} |
|
if ($gotlock eq 'ok') { |
|
if (&Apache::lonnet::store_userdata({pburl => $pburl}, |
|
$ltinum,'passbackurl',$cdom,$cnum) eq 'ok') { |
|
$pbnum = 1+$version; |
|
} |
|
my $dellock = &Apache::lonnet::del('passbackurl',['lock'."\0".$ltinum."\0".$now],$cdom,$cnum); |
|
unless ($dellock eq 'ok') { |
|
$error = &mt('error: could not release lockfile'); |
|
} |
|
} else { |
|
$error = &mt('error: could not obtain lockfile'); |
|
} |
} |
} |
return ($scope,$realuri); |
return ($pbnum,$error); |
} |
} |
|
|
1; |
1; |