--- loncom/auth/lonroles.pm 2008/01/26 21:12:32 1.182 +++ loncom/auth/lonroles.pm 2008/05/12 23:47:37 1.188 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # User Roles Screen # -# $Id: lonroles.pm,v 1.182 2008/01/26 21:12:32 www Exp $ +# $Id: lonroles.pm,v 1.188 2008/05/12 23:47:37 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -106,22 +106,31 @@ sub handler { # ================================================================== Roles Init if ($env{'form.selectrole'}) { + + my $locknum=&Apache::lonnet::get_locks(); + if ($locknum) { return 409; } + if ($env{'form.newrole'}) { $env{'form.'.$env{'form.newrole'}}=1; } if ($env{'request.course.id'}) { + # Check if user is CC trying to select a course role + if ($env{'form.switchrole'}) { + if (!defined($env{'user.role.'.$env{'form.switchrole'}})) { + &adhoc_course_role($then); + } + } my %temp=('logout_'.$env{'request.course.id'} => time); &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.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.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 $envkey (keys %env) { @@ -134,10 +143,12 @@ sub handler { last; } # Is this a recent ad-hoc CA-role? - if (my ($domain,$coursenum) = - ($envkey =~ m-^form\.ca\./($match_domain)/($match_courseid)$-)) { - if ($dcroles{$domain}) { - &check_privs($domain,$coursenum,$then,$now,'ca'); + if (my ($domain,$user) = + ($envkey =~ m-^form\.ca\./($match_domain)/($match_username)$-)) { + if (($dcroles{$domain}) && (&is_author_homeserver($user,$domain))) { + &check_privs($domain,$user,$then,$now,'ca'); + } else { + delete($env{$envkey}); } last; } @@ -147,7 +158,7 @@ sub handler { if ($dcroles{$domain}) { my $user=$env{'form.adhoccauname.'.$domain}; if (!$user) { $user=$env{'form.adhoccaunamerecent.'.$domain} }; - if (($user) && ($user=~/$match_username/)) { + if (($user) && ($user=~/$match_username/) && (&is_author_homeserver($user,$domain))) { &check_privs($domain,$user,$then,$now,'ca'); $env{'form.ca./'.$domain.'/'.$user}=1; } @@ -267,10 +278,10 @@ ENDENTERKEY "Role ".$trolecode); &Apache::lonnet::appenv( - 'request.role' => $trolecode, - 'request.role.domain' => $cdom, - 'request.course.sec' => $csec, - 'request.course.groups' => $cgrps); + {'request.role' => $trolecode, + 'request.role.domain' => $cdom, + 'request.course.sec' => $csec, + 'request.course.groups' => $cgrps}); my $tadv=0; if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) { @@ -281,7 +292,7 @@ ENDENTERKEY ($env{'form.orgurl'}!~/^\/adm\/flip/)) { my $dest=$env{'form.orgurl'}; if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; } - &Apache::lonnet::appenv('request.role.adv'=>$tadv); + &Apache::lonnet::appenv({'request.role.adv'=>$tadv}); if (($ferr) && ($tadv)) { &error_page($r,$ferr,$dest); } else { @@ -291,7 +302,7 @@ ENDENTERKEY } else { if (!$env{'request.course.id'}) { &Apache::lonnet::appenv( - "request.course.id" => $cdom.'_'.$cnum); + {"request.course.id" => $cdom.'_'.$cnum}); $furl='/adm/roles?tryagain=1'; $msg= '

'. @@ -300,7 +311,7 @@ ENDENTERKEY '

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

'.$ferr; } if (&Apache::lonnet::allowed('adv') eq 'F') { $tadv=1; } - &Apache::lonnet::appenv('request.role.adv'=>$tadv); + &Apache::lonnet::appenv({'request.role.adv'=>$tadv}); if (($ferr) && ($tadv)) { &error_page($r,$ferr,$furl); @@ -317,6 +328,14 @@ ENDENTERKEY $furl = "/adm/helper/course.initialization.helper"; # Send the user to the course they selected } elsif ($env{'request.course.id'}) { + if ($env{'form.destinationurl'}) { + my $dest = $env{'form.destinationurl'}; + &redirect_user($r,&mt('Entering [_1]', + $env{'course.'.$courseid.'.description'}), + $dest,$msg, + $env{'environment.remotenavmap'}); + return OK; + } if (&Apache::lonnet::allowed('whn', $env{'request.course.id'}) || &Apache::lonnet::allowed('whn', @@ -387,7 +406,7 @@ ENDENTERKEY my $start_page=&Apache::loncommon::start_page('User Roles'); my $standby=&mt('Role selected. Please stand by.'); $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 ba unavailable.').'
'; + 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("

LON-CAPA Access Control

"); + $r->print("

".&mt('LON-CAPA Access Control')."

"); $r->print("
");
 	if ($priv ne '') {
-	    $r->print("Access  : ".&Apache::lonnet::plaintext($priv)."\n");
+            $r->print(&mt('Access  : ').&Apache::lonnet::plaintext($priv)."\n");
 	}
 	if ($fn ne '') {
-	    $r->print("Resource: ".&Apache::lonenc::check_encrypt($fn)."\n");
+            $r->print(&mt('Resource: ').&Apache::lonenc::check_encrypt($fn)."\n");
 	}
 	if ($msg ne '') {
-	    $r->print("Action  : $msg\n");
+            $r->print(&mt('Action  : ').$msg."\n");
 	}
 	$r->print("
"); my $url=$fn; @@ -905,6 +924,20 @@ sub build_roletext { return $roletext; } +sub is_author_homeserver { + my ($uname,$udom)=@_; + my $home = &Apache::lonnet::homeserver($uname,$udom); + my @ids=&Apache::lonnet::current_machine_ids(); + foreach my $id (@ids) { + if ($id eq $home) { + if (-e "/home/".$uname."/public_html") { + return 1; + } + } + } + return 0; +} + sub check_privs { my ($cdom,$cnum,$then,$now,$checkrole) = @_; my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum; @@ -940,6 +973,69 @@ sub check_fordc { return $numdc; } +sub adhoc_course_role { + my ($then) = @_; + my ($cdom,$cnum); + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if (&check_forcc($cdom,$cnum,$then)) { + my $setprivs; + if (!defined($env{'user.role.'.$env{'form.selectrole'}})) { + $setprivs = 1; + } else { + my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.selectrole'}}); + if (($start && ($start>$then || $start == -1)) || + ($end && $end<$then)) { + $setprivs = 1; + } + } + if ($setprivs) { + if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)([\w/]*)\./\Q$cdom\E/\Q$cnum\E(/?\w*)$-) { + my $role = $1; + my $custom_role = $2; + my $usec = $3; + if ($role eq 'cr') { + if ($custom_role =~ m-^$match_domain/$match_courseid/\w+$-) { + $role .= $custom_role; + } else { + return; + } + } + my (%userroles,%newrole,%newgroups); + my $area = '/'.$cdom.'/'.$cnum; + my $spec = $role.'.'.$area; + if ($usec ne '') { + $spec .= '/'.$usec; + $area .= '/'.$usec; + } + &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,$area); + &Apache::lonnet::set_userprivs(\%userroles,\%newrole,%newgroups); + my $adhocstart = $then-1; + $userroles{'user.role.'.$spec} = $adhocstart.'.'; + &Apache::lonnet::appenv(\%userroles,[$role,'cm']); + } + } + } + return; +} + +sub check_forcc { + my ($cdom,$cnum,$then) = @_; + my $is_cc; + if ($cdom ne '' && $cnum ne '') { + if (&Apache::lonnet::is_course($cdom,$cnum)) { + my $envkey = 'user.role.cc./'.$cdom.'/'.$cnum; + if (defined($env{$envkey})) { + $is_cc = 1; + my ($tstart,$tend)=split(/\./,$env{$envkey}); + if ($tstart && $tstart>$then) { $is_cc = 0; } + if ($tend && $tend <$then) { $is_cc = 0; } + } + } + } + return $is_cc; +} + sub courselink { my ($dcdom,$rowtype,$selecttype) = @_; my $courseform=&Apache::loncommon::selectcourse_link @@ -954,6 +1050,10 @@ sub courselink { } sub coursepick_jscript { + my %lt = &Apache::lonlocal::texthash( + plsu => "Please use the 'Select Course' link to open a separate pick course window where you may select the course you wish to enter.", + youc => 'You can only use this screen to select courses in the current domain.', + ); my $verify_script = <<"END";