--- loncom/auth/lonroles.pm 2017/03/13 18:14:13 1.328 +++ loncom/auth/lonroles.pm 2021/11/30 15:55:40 1.359 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # User Roles Screen # -# $Id: lonroles.pm,v 1.328 2017/03/13 18:14:13 raeburn Exp $ +# $Id: lonroles.pm,v 1.359 2021/11/30 15:55:40 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -145,6 +145,62 @@ use GDBM_File; use LONCAPA qw(:DEFAULT :match); use HTML::Entities; +my $registered_cleanup; +my $rosterupdates; + +sub start_loading_course { + my ($r,$title) = @_; + &Apache::loncommon::content_type($r,'text/html'); + &Apache::loncommon::no_cache($r); + $r->send_http_header; + my $swinfo=&Apache::lonmenu::rawconfig(); + # Breadcrumbs + my $brcrum = [{'href' => '', + 'text' => $title},]; + my $start_page = &Apache::loncommon::start_page($title,undef, + {'bread_crumbs' => $brcrum, + 'bread_crumbs_nomenu' => 1, + 'links_disabled' => 1}); + $r->print(< +// + +ENDREDIR + return; +} + +sub finish_loading_course { + my ($r,$msg,$url) = @_; + my $link = ''; + my $end_page = &Apache::loncommon::end_page(); + my $js_url = &js_escape($url); + $r->print(< +// a').removeAttr("aria-disabled"); + \$('.isDisabled').removeClass("isDisabled"); + var url = "$js_url"; + \$(location).attr('href',url); +}); + +$link +$end_page +END + return; +} sub redirect_user { my ($r,$title,$url,$msg) = @_; @@ -153,20 +209,26 @@ sub redirect_user { &Apache::loncommon::no_cache($r); $r->send_http_header; - # Breadcrumbs - my $brcrum = [{'href' => $url, - 'text' => 'Switching Role'},]; - my $start_page = &Apache::loncommon::start_page('Switching Role',undef, - {'redirect' => [1,$url], - 'bread_crumbs' => $brcrum,}); - my $end_page = &Apache::loncommon::end_page(); + my $start_page; + if ($env{'request.lti.login'}) { + $start_page = &Apache::loncommon::start_page(undef,undef, + {'redirect' => [0,$url],}).$msg; + } else { + # Breadcrumbs + my $brcrum = [{'href' => $url, + 'text' => 'Switching Role'},]; + $start_page = &Apache::loncommon::start_page('Switching Role',undef, + {'redirect' => [1,$url], + 'bread_crumbs' => $brcrum,}). + "\n

$msg

"; + } + my $end_page = &Apache::loncommon::end_page(); # Note to style police: # This must only replace the spaces, nothing else, or it bombs elsewhere. $url=~s/ /\%20/g; $r->print(<$msg

$end_page ENDREDIR return; @@ -174,29 +236,22 @@ ENDREDIR sub error_page { my ($r,$error,$dest)=@_; - &Apache::loncommon::content_type($r,'text/html'); - &Apache::loncommon::no_cache($r); - $r->send_http_header; - return OK if $r->header_only; - # Breadcrumbs - my $brcrum = [{'href' => $dest, - 'text' => 'Problems during Course Initialization'},]; - $r->print(&Apache::loncommon::start_page('Problems during Course Initialization', - undef, - {'bread_crumbs' => $brcrum,}) + my %lt = &Apache::lonlocal::texthash( + pdc => 'Problems during Course Initialization', + tfp => 'The following problems occurred:', + con => 'Continue', ); - $r->print( - ''. - '

'.&mt('The following problems occurred:'). - '
'. - $error. - '


'.&mt('Continue').'' - ); - $r->print(&Apache::loncommon::end_page()); + my $end_page = &Apache::loncommon::end_page(); + $dest = &HTML::Entities::encode($dest,'"<>&'); + $r->print(<$lt{'pdc'} +

$lt{'tfp'} +
+$error +


$lt{'con'} +$end_page +END + return; } sub handler { @@ -204,7 +259,7 @@ sub handler { my $r = shift; # Check for critical messages and redirect if present. - my ($redirect,$url) = &Apache::loncommon::critical_redirect(300); + my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'roles'); if ($redirect) { &Apache::loncommon::content_type($r,'text/html'); $r->header_out(Location => $url); @@ -222,9 +277,132 @@ sub handler { $update = $then; } + my ($norolelist,$blocked_by_ip,$blocked_type,$clientip); + $clientip = &Apache::lonnet::get_requestor_ip($r); + if (($env{'request.course.id'}) && ($env{'request.deeplink.login'})) { + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $crstype = $env{'course.'.$env{'request.course.id'}.'.type'}; + my $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom); + if ($deeplink_symb) { + my ($menucoll,$deeplinkmenu,$menuref) = &Apache::loncommon::menucoll_in_effect(); + if (ref($menuref) eq 'HASH') { + unless (($menuref->{'role'}) || ($env{'request.role.adv'})) { + foreach my $envkey (keys(%env)) { + next unless ($envkey =~ /^form\./); + if ($envkey =~ m{\./($match_domain)/($match_courseid)(?:/(\w+)|$)}) { + unless (($1 eq $cdom) && ($2 eq $cnum)) { + delete($env{$envkey}); + } + } + } + if ($env{'form.selectrole'}) { + if ($env{'form.switchrole'} =~ m{\./($match_domain)/($match_courseid)(?:/(\w+)|$)}) { + unless (($1 eq $cdom) && ($2 eq $cnum)) { + delete($env{'form.selectrole'}); + delete($env{'form.switchrole'}); + } + } elsif ($env{'form.newrole'} =~ m{\./($match_domain)/($match_courseid)(?:/(\w+)|$)}) { + unless (($1 eq $cdom) && ($2 eq $cnum)) { + delete($env{'form.selectrole'}); + delete($env{'form.newrole'}); + } + } + } + $norolelist = 1; + } + } + } + } + + if ($env{'form.selectrole'}) { + my ($role,$cdom,$cnum,$rest); + if ($env{'form.switchrole'} =~ m{^(co|cc|in|ta|ep|ad|st|cr).*?\./($match_domain)/($match_courseid)(/(\w+)|$)}) { + ($role,$cdom,$cnum,$rest) = ($1,$2,$3,$4); + } elsif ($env{'form.newrole'} =~ m{^(co|cc|in|ta|ep|ad|st|cr).*?\./($match_domain)/($match_courseid)(/(\w+)|$)}) { + ($role,$cdom,$cnum,$rest) = ($1,$2,$3,$4); + } + if ($cdom ne '') { + my ($has_evb,$check_ipaccess,$showrole); + $showrole = 1; + my $checkrole = "cm./$cdom/$cnum"; + if ($rest ne '') { + $checkrole .= "/$rest"; + } + if ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && + ($role ne 'st')) { + $has_evb = 1; + } + unless ($has_evb) { + my @machinedoms = &Apache::lonnet::current_machine_domains(); + my $udom = $env{'user.domain'}; + if ($udom eq $cdom) { + $check_ipaccess = 1; + } elsif (($udom ne '') && (grep(/^\Q$udom\E$/,@machinedoms))) { + $check_ipaccess = 1; + } else { + my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; + my $internet_names = &Apache::lonnet::get_internet_names($lonhost); + my $cprim = &Apache::lonnet::domain($cdom,'primary'); + my $cintdom = &Apache::lonnet::internet_dom($cprim); + if (($cintdom ne '') && (ref($internet_names) eq 'ARRAY')) { + if (grep(/^\Q$cintdom\E$/,@{$internet_names})) { + $check_ipaccess = 1; + } + } + } + if ($check_ipaccess) { + my ($ipaccessref,$cached)=&Apache::lonnet::is_cached_new('ipaccess',$cdom); + unless (defined($cached)) { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['ipaccess'],$cdom); + $ipaccessref = &Apache::lonnet::do_cache_new('ipaccess',$cdom,$domconfig{'ipaccess'},1800); + } + if (ref($ipaccessref) eq 'HASH') { + foreach my $id (keys(%{$ipaccessref})) { + if (ref($ipaccessref->{$id}) eq 'HASH') { + my $range = $ipaccessref->{$id}->{'ip'}; + if ($range) { + my $type = 'exclude'; + if (&Apache::lonnet::ip_match($clientip,$range)) { + $type = 'include'; + } + if (ref($ipaccessref->{$id}->{'courses'}) eq 'HASH') { + if ($ipaccessref->{$id}->{'courses'}{$cdom.'_'.$cnum}) { + if ($type eq 'include') { + $showrole = 1; + last; + } else { + $showrole = 0; + } + } else { + if ($type eq 'include') { + $showrole = 0; + } else { + $showrole = 1; + } + } + } + } + } + } + } + } + } + unless ($showrole) { + $blocked_by_ip = 1; + $blocked_type = &Apache::loncommon::course_type($cdom.'_'.$cnum); + delete($env{'form.selectrole'}); + delete($env{'form.newrole'}); + } + } + } + + $registered_cleanup=0; + @{$rosterupdates}=(); &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); -# -------------------------------------------------- Check if setting hot list +# -------------------------------------------------- Check if setting hot list my $hotlist; if ($env{'form.action'} eq 'verify_and_change_rolespref') { $hotlist = &Apache::lonpreferences::verify_and_change_rolespref($r); @@ -262,6 +440,12 @@ sub handler { # ================================================================== Roles Init if ($env{'form.selectrole'}) { + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq '')) { + if ($env{'form.ltitarget'} eq 'iframe') { + &Apache::lonnet::appenv({'request.lti.target' => 'iframe'}); + delete($env{'form.ltitarget'}); + } + } my $locknum=&Apache::lonnet::get_locks(); if ($locknum) { return 409; } @@ -489,6 +673,7 @@ sub handler { my $end_page=&Apache::loncommon::end_page(); my $buttontext=&mt('Enter Course'); my $message=&mt('Successfully registered key'); + my $ip = &Apache::lonnet::get_requestor_ip(); my $assignresult= &Apache::lonnet::assign_access_key( $env{'form.newkey'}, @@ -497,7 +682,7 @@ sub handler { $env{'user.domain'}, $env{'user.name'}, &mt('Assigned from [_1] at [_2] for [_3]' - ,$ENV{'REMOTE_ADDR'} + ,$ip ,&Apache::lonlocal::locallocaltime() ,$trolecode) ); @@ -574,16 +759,73 @@ ENDENTERKEY } } } - my $msg; - my ($furl,$ferr)= - &Apache::lonuserstate::readmap($cdom.'/'.$cnum); - unless ($ferr) { + my $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum); + $crstype = lc($crstype); + my $preamble = '
'. + '
'. + &mt("Please be patient while your $crstype loads"). + '
'. + '
'; + my $closure = < +// + +ENDCLOSE + my $title = &mt("Loading $crstype"); + &start_loading_course($r,$title); + my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble); + &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Loading ...')); + $r->rflush(); + my ($msg,$blockcrit,$critmsg_check); + $critmsg_check = 1; + $blockcrit = &Apache::loncommon::blocking_status('alert',$clientip,$cnum,$cdom,undef,1); + if ($blockcrit) { + my $checkrole = "cm./$cdom/$cnum"; + if ($csec ne '') { + $checkrole .= "/$csec"; + } + unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && + ($trolecode !~ m{^st\./$cdom/$cnum})) { + $critmsg_check = 0; + } + } + my ($furl,$ferr)= + &Apache::lonuserstate::readmap($cdom.'/'.$cnum,$critmsg_check); + &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished!')); + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); + $r->print($closure); + $r->rflush(); + if ($ferr) { + $furl = '/adm/roles?tryagain=1'; + } else { + &Apache::lonnet::appenv({'request.course.timechecked'=>$now}); unless (($env{'form.switchrole'}) || ($env{"environment.internal.$cdom.$cnum.$role.adhoc"})) { &Apache::lonnet::put('nohist_crslastlogin', {$env{'user.name'}.':'.$env{'user.domain'}. ':'.$csec.':'.$role => $now},$cdom,$cnum); } + if (($env{"environment.internal.$cdom.$cnum.$role.adhoc"}) && + (&Apache::lonnet::allowed('vxc',$cdom.'_'.$cnum))) { + my $owner = $env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'}; + my @coowners = split(/,/,$env{'course.'.$env{'request.course.id'}.'.internal.co-owners'}); + my %auaccess; + foreach my $user ($owner,@coowners) { + my ($cpname,$cpdom) = split(/:/,$user); + my %auroles = &Apache::lonnet::get_my_roles($cpname,$cpdom,'userroles',undef,['au','ca','aa'],[$cdom]); + foreach my $key (keys(%auroles)) { + my ($auname,$audom,$aurole) = split(/:/,$key); + if ($aurole eq 'au') { + $auaccess{$cpname} = 1; + } else { + $auaccess{$auname} = 1; + } + } + } + &Apache::lonnet::appenv({'request.course.adhocsrcaccess' => join(',',sort(keys(%auaccess))) }); + } my ($feeds,$syllabus_time); &Apache::lonrss::advertisefeeds($cnum,$cdom,undef,\$feeds); &Apache::lonnet::appenv({'request.course.feeds' => $feeds}); @@ -613,9 +855,24 @@ ENDENTERKEY } if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; } &Apache::lonnet::appenv({'request.role.adv'=>$tadv}); + if ($ferr) { + if ($env{'form.orgurl'}) { + $furl .= '&orgurl='.&HTML::Entities::encode($env{'form.orgurl'},'<>&"'); + } + if ($env{'form.symb'}) { + $furl .= '&symb='.&HTML::Entities::encode($env{'form.symb'},'<>&"'); + } + } if (($ferr) && ($tadv)) { - &error_page($r,$ferr,$dest); + &error_page($r,$ferr,$furl); } else { + if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { + if (($env{'form.orgurl'} ne '') && ($env{'form.symb'} ne '')) { + unless (&Apache::lonnet::symbverify($env{'form.symb'},$env{'form.orgurl'})) { + $dest=$env{'form.orgurl'}; + } + } + } if ($dest =~ m{^/adm/coursedocs\?folderpath}) { if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { my $chome = &Apache::lonnet::homeserver($cnum,$cdom); @@ -623,27 +880,54 @@ ENDENTERKEY $cdom.'_'.$cnum); } } - $r->internal_redirect($dest); + if ($ferr) { + if (!$env{'request.course.id'}) { + &Apache::lonnet::appenv( + {"request.course.id" => $cdom.'_'.$cnum}); + $r->print('

'. + &mt('Could not initialize [_1] at this time.', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'. + '

'. + &mt('Please try again.').'

'. + &Apache::loncommon::end_page()); + } + } else { + if (($env{'request.lti.login'}) && + ($env{'request.lti.rosterid'} || $env{'request.lti.passbackid'})) { + &process_lti($r,$cdom,$cnum); + } + $msg = '

'.&mt('Entering [_1] ...', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'; + &finish_loading_course($r,$msg,$dest); + } } + $r->rflush(); return OK; } else { if (!$env{'request.course.id'}) { &Apache::lonnet::appenv( {"request.course.id" => $cdom.'_'.$cnum}); - $furl='/adm/roles?tryagain=1'; - $msg='

' - .&mt('Could not initialize [_1] at this time.', - $env{'course.'.$cdom.'_'.$cnum.'.description'}) - .'

' - .'

'.&mt('Please try again.').'

' - .'

'.$ferr.'

'; } if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; } &Apache::lonnet::appenv({'request.role.adv'=>$tadv}); - - if (($ferr) && ($tadv)) { - &error_page($r,$ferr,$furl); + if ($ferr) { + if ($tadv) { + &error_page($r,$ferr,$furl); + } else { + $r->print('

'. + &mt('Could not initialize [_1] at this time.', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'. + '

'.&mt('Please try again.').'

'. + &Apache::loncommon::end_page()); + } } else { + if (($env{'request.lti.login'}) && + ($env{'request.lti.rosterid'} || $env{'request.lti.passbackid'})) { + &process_lti($r,$cdom,$cnum); + } # Check to see if the user is a CC entering a course # for the first time if ((($role eq 'cc') || ($role eq 'co')) @@ -656,9 +940,11 @@ ENDENTERKEY my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1); if (($incomplete) && ($incomplete < 100)) { - &redirect_user($r, &mt('Entering [_1]', - $env{'course.'.$cdom.'_'.$cnum.'.description'}), - '/adm/placement', $msg); + $msg = '

'.&mt('Entering [_1] ...', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'; + &finish_loading_course($r,$msg,'/adm/placement'); + $r->rflush(); return OK; } } @@ -678,8 +964,11 @@ ENDENTERKEY ($dest =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) { if ($ENV{'SERVER_PORT'} == 443) { my $hostname = $r->hostname(); - if ($hostname ne '') { - $dest = 'http://'.$hostname.$dest; + unless ((&Apache::lonnet::uses_sts()) || + (&Apache::lonnet::waf_allssl($hostname))) { + if ($hostname ne '') { + $dest = 'http://'.$hostname.$dest; + } } } } @@ -718,9 +1007,16 @@ ENDENTERKEY $dest .= (($dest =~/\?/)? '&':'?').'symb='.$esc_symb; } } - &redirect_user($r, &mt('Entering [_1]', - $env{'course.'.$cdom.'_'.$cnum.'.description'}), - $dest, $msg); + if ($env{'form.ttoken'}) { + $dest .= (($dest =~/\?/)? '&':'?').'ttoken='.$env{'form.ttoken'}; + } + unless ($env{'request.lti.login'}) { + $msg = '

'.&mt('Entering [_1] ...', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'; + } + &finish_loading_course($r,$msg,$dest); + $r->rflush(); return OK; } if (&Apache::lonnet::allowed('whn', @@ -731,39 +1027,66 @@ ENDENTERKEY ) { my $startpage = &courseloadpage($env{'request.course.id'}); unless ($startpage eq 'firstres') { - $msg = &mt('Entering [_1] ...', - $env{'course.'.$env{'request.course.id'}.'.description'}); - &redirect_user($r, &mt('New in course'), - '/adm/whatsnew?refpage=start', $msg); + $msg = '

'.&mt('Entering [_1] ...', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'; + &finish_loading_course($r,$msg,'/adm/whatsnew?refpage=start'); + $r->rflush(); return OK; } } } # Are we allowed to look at the first resource? - my $access; - if ($furl =~ m{^(/adm/wrapper|)/ext/}) { - # If it's an external resource, - # strip off the symb argument and possible query - my ($exturl,$symb) = ($furl =~ m{^(.+)(?:\?|\&)symb=(.+)$}); - # Unencode $symb - $symb = &unescape($symb); - # Then check for permission - $access = &Apache::lonnet::allowed('bre',$exturl,$symb); - # For other resources just check for permission + # + # $furl returned by lonuserstate::readmap() has format: + # $url?symb=escaped($symb). If the resource has the + # encrypturl parameter in effect, the entire string + # $url?symb=escaped($symb) is encrypted as a string + # beginning /enc/. + # + my ($access,$unencfurl,$unencsymb); + if ($furl =~ m{^(.+)(?:\?|\&)symb=([^&]+)(?:$|&)}) { + my ($poss_url,$poss_symb) = ($1,$2); + $unencsymb = &unescape($poss_symb); + $unencfurl = $poss_url; + } elsif ($furl =~ m{^/enc/}) { + my $unenc = &Apache::lonenc::unencrypted($furl); + if ($unenc =~ m{^(.+)(?:\?|\&)symb=([^&]+)(?:$|&)}) { + ($unencfurl,$unencsymb) = ($1,$2); + $unencsymb = &unescape($unencsymb); + } else { + $unencfurl = $unenc; + } + } else { + $unencfurl = $furl; + } + if ($unencsymb) { + my $symb = &Apache::lonnet::symbclean($unencsymb); + if (($symb ne '') && (&Apache::lonnet::symbverify($symb,$unencfurl))) { + $access = &Apache::lonnet::allowed('bre',$unencfurl,$symb); + } else { + $access = &Apache::lonnet::allowed('bre',$unencfurl); + } } else { - $access = &Apache::lonnet::allowed('bre',$furl); + $access = &Apache::lonnet::allowed('bre',$unencfurl); } - if (!$access) { + if ((!$access) || ($access eq 'B') || ($access eq 'D')) { $furl = &Apache::lonpageflip::first_accessible_resource(); - } elsif ($access eq 'B') { - $furl = '/adm/navmaps?showOnlyHomework=1'; + if ($furl eq '') { + $furl = '/adm/navmaps?showOnlyHomework=1'; + } + } + if ($env{'request.lti.login'}) { + undef($msg); + &finish_loading_course($r,$msg,$furl); + } else { + $msg = '

'.&mt('Entering [_1] ...', + $env{'course.'.$cdom.'_'.$cnum.'.description'}). + '

'; + &finish_loading_course($r,$msg,$furl); } - $msg = &mt('Entering [_1] ...', - $env{'course.'.$cdom.'_'.$cnum.'.description'}); - &redirect_user($r, &mt('Entering [_1]', - $env{'course.'.$cdom.'_'.$cnum.'.description'}), - $furl, $msg); } + $r->rflush(); return OK; } } @@ -827,7 +1150,11 @@ ENDENTERKEY $crumbtext = 'Courses'; $pagetitle = 'My Courses'; $recent = &mt('Recent Courses'); - $standby = &mt('Course selected. Please stand by.'); + $standby = &mt('Course selected. Please stand by.'); + } + if (($norolelist) && ((split(/:/,$env{'user.error.msg'}))[2])) { + $crumbtext = 'Access Denied'; + $pagetitle = 'Unauthorized'; } my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}]; @@ -865,11 +1192,13 @@ ENDENTERKEY $start_page=&Apache::loncommon::start_page($pagetitle,undef, {bread_crumbs=>$brcrum,crstype=>'Placement'}); } else { - $funcs = &get_roles_functions($showcount,$cattype); my $crumbsright; - if ($env{'browser.mobile'}) { - $crumbsright = $funcs; - undef($funcs); + unless (($norolelist) && ((split(/:/,$env{'user.error.msg'}))[2])) { + $funcs = &get_roles_functions($showcount,$cattype); + if ($env{'browser.mobile'}) { + $crumbsright = $funcs; + undef($funcs); + } } $start_page=&Apache::loncommon::start_page($pagetitle,undef,{bread_crumbs=>$brcrum, bread_crumbs_component=>$crumbsright}); @@ -977,8 +1306,16 @@ ENDHEADER } if ($nochoose) { $r->print("

".&mt('Sorry ...')."

\n". - &mt('This action is currently not authorized.').''. - &Apache::loncommon::end_page()); + &mt('This action is currently not authorized.').''); + if ($error && $norolelist) { + $r->print('

'. + &mt('As your session was launched from a web page external to LON-CAPA some course content may be unavailable, including the resource you were trying to access.'). + '

'. + '

'. + &mt('You may need to login to LON-CAPA directly, or re-launch from a different external system.'). + '

'); + } + $r->print(&Apache::loncommon::end_page()); return OK; } else { if ($updateresult || $reqauthor || $hotlist) { @@ -1007,6 +1344,16 @@ ENDHEADER $r->print(''); $r->print(''); $r->print(''); + if ($blocked_by_ip) { + my $blocked_role = 'student'; + if ($blocked_type eq 'Community') { + $blocked_role = 'member'; + } + $r->print('

'. + &mt('The [_1] you selected is not available for access with a [_2] role from your current IP address: [_3].', + lc($blocked_type),$blocked_role,$clientip). + '

'); + } } $r->rflush(); @@ -1052,9 +1399,33 @@ ENDHEADER } } + if ($norolelist) { + if ($env{'request.role'}) { + my ($roletext,$role_text_end) = &display_curr_role($env{'request.role'}); + if ($roletext) { + $r->print(&Apache::loncommon::start_data_table('LC_textsize_mobile'). + &Apache::loncommon::start_data_table_row(). + $roletext. + &Apache::loncommon::end_data_table_row()); + if ($role_text_end) { + $r->print(&Apache::loncommon::continue_data_table_row(). + $role_text_end. + &Apache::loncommon::end_data_table_row()); + } + $r->print(&Apache::loncommon::end_data_table()); + } + } + $r->print(&Apache::loncommon::end_page()); + return OK; + } + # No active roles if ($countactive==0) { - &requestcourse_advice($r,$cattype,$inrole); + my $elapsed = 0; + if ($now && $update) { + $elapsed = $now - $update; + } + &requestcourse_advice($r,$cattype,$inrole,$elapsed); $r->print(''); if ($countfuture) { $r->print(&mt('The following [quant,_1,role,roles] will become active in the future:',$countfuture)); @@ -1097,9 +1468,11 @@ ENDHEADER # ----------------------------------------------------------------------- Table if (($numdc > 0) || (($numhelpdesk > 0) && ($numadhoc > 0))) { - $r->print(&coursepick_jscript()); - $r->print(&Apache::loncommon::coursebrowser_javascript(). - &Apache::loncommon::authorbrowser_javascript()); + $r->print(&coursepick_jscript(). + &Apache::loncommon::coursebrowser_javascript()); + } + if ($numdc > 0) { + $r->print(&Apache::loncommon::authorbrowser_javascript()); } unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) { @@ -1238,6 +1611,7 @@ sub gather_roles { my $advanced = $env{'user.adv'}; my $tryagain = $env{'form.tryagain'}; my @ids = &Apache::lonnet::current_machine_ids(); + my (%willtrust,%trustchecked); if (ref($roles_in_env) eq 'HASH') { my %adhocdesc; foreach my $envkey (sort(keys(%{$roles_in_env}))) { @@ -1306,10 +1680,23 @@ sub gather_roles { if (($role eq 'ca') || ($role eq 'aa')) { my $home = &Apache::lonnet::homeserver($trest,$tdom); my $allowed=0; + my $prohibited; foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } if (!$allowed) { $button=0; - $switchserver='otherserver='.$home.'&role='.$trolecode; + unless ($trustchecked{$tdom}) { + if ((&Apache::lonnet::will_trust('othcoau',$env{'user.domain'},$tdom)) && + (&Apache::lonnet::will_trust('coaurem',$tdom,$env{'user.domain'}))) { + $willtrust{$tdom} = 1; + $trustchecked{$tdom} = 1; + } + } + if ($willtrust{$tdom}) { + $switchserver='otherserver='.$home.'&role='.$trolecode; + } else { + $prohibited = 1; + $tremark .= &mt('Session switch required but prohibited.'); + } } #next if ($home eq 'no_host'); $home = &Apache::lonnet::hostname($home); @@ -1318,7 +1705,9 @@ sub gather_roles { ': '.$tdom.'
'. ' '.&mt('Server').': '.$home; $env{'course.'.$tdom.'_'.$trest.'.description'}='ca'; - $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/'); + unless ($prohibited) { + $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/'); + } $sortkey=$role."$trest:$tdom"; } elsif ($role eq 'au') { # Authors @@ -1586,20 +1975,26 @@ sub print_rolerows { } sub findcourse_advice { - my ($r,$cattype) = @_; + my ($r,$cattype,$elapsed) = @_; my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description'); my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&'); if (&Apache::lonnet::auto_run(undef,$env{'user.domain'})) { - $r->print(&mt('If you were expecting to see an active role listed for a particular course in the [_1] domain, it may be missing for one of the following reasons:',$domdesc).' + $r->print('

'.&mt('If you were expecting to see an active role listed for a particular course in the [_1] domain, it may be missing for one of the following reasons:',$domdesc).'

  • '.&mt('The course has yet to be created.').'
  • '.&mt('Automatic enrollment of registered students has not been enabled for the course.').'
  • '.&mt('You are in a section of course for which automatic enrollment in the corresponding LON-CAPA course is not active.').'
  • '.&mt('The start date for automated enrollment has yet to be reached.').'
  • '.&mt('You registered for the course recently and there is a time lag between the time you register, and the time this information becomes available for the update of LON-CAPA course rosters.').'
    • -
'); +
  • '.&mt('Automated enrollment added you to the course in the time since you last logged-in.').' '.&mt('If that is the case you can use the "Check for changes" link in the gray Functions bar to update the list of your available course roles.').'
    • +

    '); } else { - $r->print(&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'
    '); + $r->print('

    '.&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'

    '); + if ($elapsed > 600) { + $r->print('

    '.&mt('You may also have been assigned to a course in the time since you last logged-in, or checked for changes'). + '
    '. + &mt('If that is the case you can use the "Check for changes" link in the gray Functions bar to update the list of your available course roles.').'

    '); + } } if (($cattype eq 'std') || ($cattype eq 'domonly')) { $r->print('

    '.&mt('Self-Enrollment').'

    '. @@ -1611,7 +2006,7 @@ sub findcourse_advice { } sub requestcourse_advice { - my ($r,$cattype,$inrole) = @_; + my ($r,$cattype,$inrole,$elapsed) = @_; my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description'); my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&'); my (%can_request,%request_doms,$output); @@ -1672,7 +2067,7 @@ sub requestcourse_advice { } else { $r->print('

    '.&mt('Currently no active roles, courses or communities').'

    '); } - &findcourse_advice($r,$cattype); + &findcourse_advice($r,$cattype,$elapsed); } return; } @@ -2059,13 +2454,45 @@ sub display_cc_role { return ($roletext,$roletext_end); } +sub display_curr_role { + my ($currentrole) = @_; + my ($roletext,$roletext_end); + my $advanced = $env{'user.adv'}; + my $tryagain = $env{'form.tryagain'}; + my ($role,$rest) = split(m{\./},$currentrole,2); + unless (!defined($role) || $role eq '') { + if ($rest =~ m{^($match_domain)/($match_courseid)(?:/(\w+)|$)}) { + my $cdom = $1; + my $cnum = $2; + my $csec = $3; + my $cid = $cdom.'_'.$cnum; + my $ttype = $env{'course.'.$cid.'.type'}; + my $skipcal = 1; + my $tbg='LC_roles_is'; + my $twhere = $env{'course.'.$cid.'.description'}. + ' '. + &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$cnum,$cdom). + ''; + my $trole = &Apache::lonnet::plaintext($role,$ttype,$cid); + if ($csec) { + $twhere.= '  '.&mt('Section').': '.$csec; + } + if ($role ne 'st') { + $twhere.= '  '.&mt('Domain').': '.$cdom; + } + ($roletext,$roletext_end) = &build_roletext($currentrole,$cdom,$cnum,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'','','',$skipcal); + } + } + return ($roletext,$roletext_end); +} + sub adhoc_roles_row { my ($dcdom,$rowtype) = @_; my $output = &Apache::loncommon::continue_data_table_row() .' ' - .&mt('[_1]Ad hoc[_2] roles in domain [_3] --' + .&mt('[_1]Ad hoc[_2] roles in domain [_3]' ,'','',$dcdom) - .' '; + .' -- '; my $role = 'cc'; my $selectcclink = &courselink($dcdom,$rowtype,$role); my $ccrole = &Apache::lonnet::plaintext('co',undef,undef,1); @@ -2093,9 +2520,9 @@ sub adhoc_customroles_row { if (scalar(keys(%{$domdefaults{'adhocroles'}})) > 0) { return &Apache::loncommon::continue_data_table_row() .' ' - .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3] --', + .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3]', '','',$dhdom) - .' '.&courselink($dhdom,$rowtype,$role); + .' -- '.&courselink($dhdom,$rowtype,$role); } } return; @@ -3041,6 +3468,84 @@ sub get_queued { $output.'
    '; } +sub process_lti { + my ($r,$cdom,$cnum) = @_; + my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); + my $uriscope = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'}, + $cdom,$cnum); + my $lonhost = $r->dir_config('lonHostID'); + my $internet_names = &Apache::lonnet::get_internet_names($lonhost); + if ($env{'request.lti.rosterid'} && + $env{'request.lti.rosterurl'}) { + if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') { + if ($lti{$env{'request.lti.login'}}{'roster'}) { + my @lcroles = ('in','ta','ep','st'); + my @possibleroles; + foreach my $role (@lcroles) { + if (&Apache::lonnet::allowed('c'.$role,"$cdom/$cnum")) { + push(@possibleroles,$role); + } + } + my $owner = $env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'}; + if ($owner eq $env{'user.name'}.':'.$env{'user.domain'}) { + my $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum); + if ($crstype eq 'Community') { + unshift(@possibleroles,'co'); + } else { + unshift(@possibleroles,'cc'); + } + } + if (@possibleroles) { + push(@{$rosterupdates},{cid => $cdom.'_'.$cnum, + lti => $env{'request.lti.login'}, + ltiref => $lti{$env{'request.lti.login'}}, + id => $env{'request.lti.rosterid'}, + url => $env{'request.lti.rosterurl'}, + sourcecrs => $env{'request.lti.sourcecrs'}, + uriscope => $uriscope, + possroles => \@possibleroles, + intdoms => $internet_names, + }); + unless ($registered_cleanup) { + my $handlers = $r->get_handlers('PerlCleanupHandler'); + $r->set_handlers('PerlCleanupHandler' => + [\<ienroll,@{$handlers}]); + $registered_cleanup=1; + } + } + } + } + } + if ($env{'request.lti.passbackid'} && + $env{'request.lti.passbackurl'}) { + if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') { + if ($lti{$env{'request.lti.login'}}{'passback'}) { + my ($pbnum,$error) = + &LONCAPA::ltiutils::store_passbackurl($env{'request.lti.login'}, + $env{'request.lti.passbackurl'}, + $cdom,$cnum); + if ($pbnum eq '') { + $pbnum = $env{'request.lti.passbackurl'}; + } + &Apache::lonnet::put('nohist_'.$cdom.'_'.$cnum.'_passback', + {"$uriscope\0$env{'request.lti.sourcecrs'}\0$env{'request.lti.login'}" => + "$pbnum\0$env{'request.lti.passbackid'}"}); + } + } + } + return; +} + +sub ltienroll { + if (ref($rosterupdates) eq 'ARRAY') { + foreach my $item (@{$rosterupdates}) { + if (ref($item) eq 'HASH') { + &LONCAPA::ltiutils::batchaddroster($item); + } + } + } +} + 1; __END__