--- loncom/auth/lonroles.pm 2016/08/08 13:39:26 1.269.2.25 +++ loncom/auth/lonroles.pm 2014/05/31 12:49:12 1.308 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # User Roles Screen # -# $Id: lonroles.pm,v 1.269.2.25 2016/08/08 13:39:26 raeburn Exp $ +# $Id: lonroles.pm,v 1.308 2014/05/31 12:49:12 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -143,7 +143,7 @@ use Apache::lonrss; use GDBM_File; use LONCAPA qw(:DEFAULT :match); use HTML::Entities; - + sub redirect_user { my ($r,$title,$url,$msg) = @_; @@ -151,7 +151,6 @@ sub redirect_user { &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' => $url, @@ -166,11 +165,6 @@ sub redirect_user { $url=~s/ /\%20/g; $r->print(< -// -

$msg

$end_page ENDREDIR @@ -229,7 +223,7 @@ sub handler { &Apache::loncommon::get_unprocessed_cgi($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); @@ -292,15 +286,14 @@ sub handler { &Apache::lonnet::put('email_status',\%temp); &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'}); } - &Apache::lonnet::appenv({"request.course.id" => '', - "request.course.fn" => '', - "request.course.uri" => '', - "request.course.sec" => '', - "request.course.tied" => '', - "request.course.timechecked" => '', - "request.role" => 'cm', - "request.role.adv" => $env{'user.adv'}, - "request.role.domain" => $env{'user.domain'}}); + &Apache::lonnet::appenv({"request.course.id" => '', + "request.course.fn" => '', + "request.course.uri" => '', + "request.course.sec" => '', + "request.course.tied" => '', + "request.role" => 'cm', + "request.role.adv" => $env{'user.adv'}, + "request.role.domain" => $env{'user.domain'}}); # Check if user is a DC trying to enter a course or author space and needs privs to be created if ($numdc > 0) { foreach my $envkey (keys(%env)) { @@ -389,13 +382,30 @@ sub handler { my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); if ($curr_reqd_hash{'internal.releaserequired'} ne '') { my ($switchserver,$switchwarning) = - &Apache::loncommon::check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode, - $curr_reqd_hash{'internal.releaserequired'}); + &check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode,$curr_reqd_hash{'internal.releaserequired'}); if ($switchwarning ne '' || $switchserver ne '') { &Apache::loncommon::content_type($r,'text/html'); &Apache::loncommon::no_cache($r); $r->send_http_header; - $r->print(&Apache::loncommon::check_release_result($switchwarning,$switchserver)); + my $end_page=&Apache::loncommon::end_page(); + $r->print(&Apache::loncommon::start_page('Selected course unavailable on this server'). + '

'); + if ($switchwarning) { + $r->print($switchwarning.'
'); + if (&Apache::loncommon::show_course()) { + $r->print(&mt('Display courses')); + } else { + $r->print(&mt('Display roles')); + } + $r->print(''); + } elsif ($switchserver) { + $r->print(&mt('This course requires a newer version of LON-CAPA than is installed on this server.'). + '
'. + ''. + &mt('Switch Server'). + ''); + } + $r->print('

'.&Apache::loncommon::end_page()); return OK; } } @@ -518,10 +528,10 @@ ENDENTERKEY if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) { my $msg; - my ($furl,$ferr)= - &Apache::lonuserstate::readmap($cdom.'/'.$cnum); + my ($furl,$ferr)= + &Apache::lonuserstate::readmap($cdom.'/'.$cnum); unless ($ferr) { - unless (($env{'form.switchrole'}) || + unless (($env{'form.switchrole'}) || ($env{"environment.internal.$cdom.$cnum.$role.adhoc"})) { &Apache::lonnet::put('nohist_crslastlogin', {$env{'user.name'}.':'.$env{'user.domain'}. @@ -544,7 +554,7 @@ ENDENTERKEY } if (($env{'form.orgurl'}) && ($env{'form.orgurl'}!~/^\/adm\/flip/) && - ($env{'form.orgurl'} ne '/adm/roles')) { + ($env{'form.orgurl'} ne '/adm/roles')) { my $dest=$env{'form.orgurl'}; if ($env{'form.symb'}) { if ($dest =~ /\?/) { @@ -610,7 +620,7 @@ ENDENTERKEY if ($env{'request.role.adv'}) { $dest = &Apache::lonenc::unencrypted($dest); if ($destsymb eq '') { - ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]*)/); + ($destsymb) = ($dest =~ /(?:\?|\&)symb=([^\&]*)/); $destsymb = &unescape($destsymb); } } @@ -635,7 +645,7 @@ ENDENTERKEY } } } - unless (($dest =~ m{^/enc/}) || ($dest =~ /(\?|\&)symb=.+___\d+___.+/)) { + unless (($dest =~ m{^/enc/}) || ($dest =~ /(\?|\&)symb=.+___\d+___.+/)) { if (($destsymb ne '') && ($destsymb !~ m{^/enc/})) { my $esc_symb = &escape($destsymb); $dest .= '?symb='.$esc_symb; @@ -663,7 +673,6 @@ ENDENTERKEY } } # 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 @@ -671,16 +680,14 @@ ENDENTERKEY # Unencode $symb $symb = &unescape($symb); # Then check for permission - $access = &Apache::lonnet::allowed('bre',$exturl,$symb); + if (!&Apache::lonnet::allowed('bre',$exturl,$symb)) { + $furl = &Apache::lonpageflip::first_accessible_resource(); + } # For other resources just check for permission - } else { - $access = &Apache::lonnet::allowed('bre',$furl); - } - if (!$access) { + } elsif (!&Apache::lonnet::allowed('bre',$furl)) { $furl = &Apache::lonpageflip::first_accessible_resource(); - } elsif ($access eq 'B') { - $furl = '/adm/navmaps?showOnlyHomework=1'; } + $msg = &mt('Entering [_1] ...', $env{'course.'.$cdom.'_'.$cnum.'.description'}); &redirect_user($r, &mt('Entering [_1]', @@ -738,7 +745,7 @@ ENDENTERKEY $crumbtext = 'Courses'; $pagetitle = 'My Courses'; $recent = &mt('Recent Courses'); - $standby = &mt('Course selected. Please stand by.'); + $standby = &mt('Course selected. Please stand by.'); } my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}]; @@ -753,7 +760,7 @@ ENDENTERKEY $cattype = $domdefs{'catauth'}; } my $funcs = &get_roles_functions($showcount,$cattype); - &js_escape(\$standby); + $standby=~s/\n/\\n/g; my $noscript='
'.&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.').'
'.&mt('As this is not the case, most functionality in the system will be unavailable.').'
'; $r->print(<print($showresult); } elsif ($env{'form.state'} eq 'queued') { @@ -1204,7 +1211,7 @@ sub gather_roles { my $required = $env{'course.'.$tcourseid.'.internal.releaserequired'}; if ($required ne '') { ($switchserver,$switchwarning) = - &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required); + &check_release_required($loncaparev,$tcourseid,$trolecode,$required); if ($switchserver || $switchwarning) { $button = 0; } @@ -1227,7 +1234,7 @@ sub gather_roles { my $required = $newhash{'internal.releaserequired'}; if ($required ne '') { ($switchserver,$switchwarning) = - &Apache::loncommon::check_release_required($loncaparev,$tcourseid,$trolecode,$required); + &check_release_required($loncaparev,$tcourseid,$trolecode,$required); if ($switchserver || $switchwarning) { $button = 0; } @@ -1643,7 +1650,7 @@ sub check_fordc { my ($dcroles,$update,$then) = @_; my $numdc = 0; if ($env{'user.adv'}) { - foreach my $envkey (sort(keys(%env))) { + foreach my $envkey (sort keys %env) { if ($envkey=~/^user\.role\.dc\.\/($match_domain)\/$/) { my $dcdom = $1; my $livedc = 1; @@ -1752,6 +1759,58 @@ sub check_forcc { return $is_cc; } +sub check_release_required { + my ($loncaparev,$tcourseid,$trolecode,$required) = @_; + my ($switchserver,$warning); + if ($required ne '') { + my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/); + my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/); + if ($reqdmajor ne '' && $reqdminor ne '') { + my $otherserver; + if (($major eq '' && $minor eq '') || + (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) { + my ($userdomserver) = &Apache::lonnet::choose_server($env{'user.domain'},undef,$required,1); + my $switchlcrev = + &Apache::lonnet::get_server_loncaparev($env{'user.domain'}, + $userdomserver); + my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/); + if (($swmajor eq '' && $swminor eq '') || ($reqdmajor > $swmajor) || + (($reqdmajor == $swmajor) && ($reqdminor > $swminor))) { + my $cdom = $env{'course.'.$tcourseid.'.domain'}; + if ($cdom ne $env{'user.domain'}) { + my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom,undef,$required,1); + my $serverhomeID = &Apache::lonnet::get_server_homeID($coursehostname); + my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); + my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); + my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'}); + my $remoterev = &Apache::lonnet::get_server_loncaparev($serverhomedom,$coursedomserver); + my $canhost = + &Apache::lonnet::can_host_session($env{'user.domain'}, + $coursedomserver, + $remoterev, + $udomdefaults{'remotesessions'}, + $defdomdefaults{'hostedsessions'}); + + if ($canhost) { + $otherserver = $coursedomserver; + } else { + $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$tcourseid.'.internal.releaserequired'}).'
'. &mt("No suitable server could be found amongst servers in either your own domain or in the course's domain."); + } + } else { + $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$tcourseid.'.internal.releaserequired'}).'
'.&mt("No suitable server could be found amongst servers in your own domain (which is also the course's domain)."); + } + } else { + $otherserver = $userdomserver; + } + } + if ($otherserver ne '') { + $switchserver = 'otherserver='.$otherserver.'&role='.$trolecode; + } + } + } + return ($switchserver,$warning); +} + sub courselink { my ($dcdom,$rowtype) = @_; my $courseform=&Apache::loncommon::selectcourse_link @@ -1766,11 +1825,10 @@ sub courselink { } sub coursepick_jscript { - my %js_lt = &Apache::lonlocal::texthash( + my %lt = &Apache::lonlocal::texthash( plsu => "Please use the 'Select Course/Community' link to open a separate pick course window where you may select the course or community you wish to enter.", youc => 'You can only use this screen to select courses and communities in the current domain.', ); - &js_escape(\%js_lt); my $verify_script = <<"END";