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,})
+ );
+ $r->print(
+ ''.
+ ''.&mt('The following problems occurred:').
+ '
'.
+ $error.
+ '
'.&mt('Continue').''
+ );
+ $r->print(&Apache::loncommon::end_page());
+}
sub handler {
my $r = shift;
+ # Check for critical messages and redirect if present.
+ my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'roles');
+ if ($redirect) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $url);
+ return REDIRECT;
+ }
+
my $now=time;
- my $then=$ENV{'user.login.time'};
- my $envkey;
+ my $then=$env{'user.login.time'};
+ my $refresh=$env{'user.refresh.time'};
+ my $update=$env{'user.update.time'};
+ if (!$refresh) {
+ $refresh = $then;
+ }
+ if (!$update) {
+ $update = $then;
+ }
+
+ $registered_cleanup=0;
+ @{$rosterupdates}=();
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
+
+# -------------------------------------------------- Check if setting hot list
+ my $hotlist;
+ if ($env{'form.action'} eq 'verify_and_change_rolespref') {
+ $hotlist = &Apache::lonpreferences::verify_and_change_rolespref($r);
+ }
+# -------------------------------------------------------- Check for new roles
+ my $updateresult;
+ if ($env{'form.state'} eq 'doupdate') {
+ my $show_course=&Apache::loncommon::show_course();
+ my $checkingtxt;
+ if ($show_course) {
+ $checkingtxt = &mt('Checking for new courses ...');
+ } else {
+ $checkingtxt = &mt('Checking for new roles ...');
+ }
+ $updateresult = $checkingtxt;
+ $updateresult .= &update_session_roles();
+ &Apache::lonnet::appenv({'user.update.time' => $now});
+ $update = $now;
+ &Apache::loncoursequeueadmin::reqauthor_check();
+ }
+
+# -------------------------------------------------- Check for author requests
+ my $reqauthor;
+ if ($env{'form.state'} eq 'requestauthor') {
+ $reqauthor = &Apache::loncoursequeueadmin::process_reqauthor(\$update);
+ }
+
+ my $envkey;
+ my %dcroles = ();
+ my %helpdeskroles = ();
+ my ($numdc,$numhelpdesk,$numadhoc) =
+ &check_for_adhoc(\%dcroles,\%helpdeskroles,$update,$then);
+ my $loncaparev = $r->dir_config('lonVersion');
# ================================================================== Roles Init
+ if ($env{'form.selectrole'}) {
+
+ my $locknum=&Apache::lonnet::get_locks();
+ if ($locknum) { return 409; }
- if ($ENV{'form.selectrole'}) {
- if ($ENV{'request.course.id'}) {
- my %temp=('logout_'.$ENV{'request.course.id'} => time);
+ my $custom_adhoc;
+ if ($env{'form.newrole'}) {
+ $env{'form.'.$env{'form.newrole'}}=1;
+# Check if this is a Domain Helpdesk or Domain Helpdesk Assistant role trying to enter a course
+ if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/\w+\./\1/$match_courseid$}) {
+ if ($helpdeskroles{$1}) {
+ $custom_adhoc = 1;
+ }
+ }
+ }
+ if ($env{'request.course.id'}) {
+ # Check if user is CC trying to select a course role
+ if ($env{'form.switchrole'}) {
+ my $switch_is_active;
+ if (defined($env{'user.role.'.$env{'form.switchrole'}})) {
+ my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
+ if (!$end || $end > $now) {
+ if (!$start || $start < $update) {
+ $switch_is_active = 1;
+ }
+ }
+ }
+ unless ($switch_is_active) {
+ &adhoc_course_role($refresh,$update,$then);
+ }
+ }
+ my %temp=('logout_'.$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.course.tied" => '',
+ "request.course.timechecked" => '',
+ "request.role" => 'cm',
+ "request.role.adv" => $env{'user.adv'},
+ "request.role.domain" => $env{'user.domain'}});
+# Check if Domain Helpdesk role trying to enter a course needs privs to be created
+ if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)}) {
+ my $cdom = $1;
+ my $rolename = $2;
+ my $cnum = $3;
+ my $sec = $4;
+ if ($custom_adhoc) {
+ my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($cdom.'_'.$cnum,1);
+ if (ref($possroles) eq 'ARRAY') {
+ if (grep(/^\Q$rolename\E$/,@{$possroles})) {
+ if (&Apache::lonnet::check_adhoc_privs($cdom,$cnum,$update,$refresh,$now,
+ "cr/$cdom/$cdom".'-domainconfig/'.$rolename,undef,$sec)) {
+ &Apache::lonnet::appenv({"environment.internal.$cdom.$cnum.cr/$cdom/$cdom".'-domainconfig/'."$rolename.adhoc" => time});
+ }
+ }
+ }
+ }
+ } elsif (($numdc > 0) || ($numhelpdesk > 0)) {
+# Check if user is a DC trying to enter a course or author space and needs privs to be created
+# Check if user is a DH or DA trying to enter a course and needs privs to be created
+ foreach my $envkey (keys(%env)) {
+# Is this an ad-hoc Coordinator role?
+ if ($numdc) {
+ if (my ($ccrole,$domain,$coursenum) =
+ ($envkey =~ m-^form\.(cc|co)\./($match_domain)/($match_courseid)$-)) {
+ if ($dcroles{$domain}) {
+ if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,
+ $update,$refresh,$now,$ccrole)) {
+ &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.$ccrole.adhoc" => time});
+ }
+ }
+ last;
+ }
+# Is this an ad-hoc CA-role?
+ if (my ($domain,$user) =
+ ($envkey =~ m-^form\.ca\./($match_domain)/($match_username)$-)) {
+ if (($domain eq $env{'user.domain'}) && ($user eq $env{'user.name'})) {
+ delete($env{$envkey});
+ $env{'form.au./'.$domain.'/'} = 1;
+ my ($server_status,$home) = &check_author_homeserver($user,$domain);
+ if ($server_status eq 'switchserver') {
+ my $trolecode = 'au./'.$domain.'/';
+ my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
+ $r->internal_redirect($switchserver);
+ return OK;
+ }
+ last;
+ }
+ if (my ($castart,$caend) = ($env{'user.role.ca./'.$domain.'/'.$user} =~ /^(\d*)\.(\d*)$/)) {
+ if (((($castart) && ($castart < $now)) || !$castart) &&
+ ((!$caend) || (($caend) && ($caend > $now)))) {
+ my ($server_status,$home) = &check_author_homeserver($user,$domain);
+ if ($server_status eq 'switchserver') {
+ my $trolecode = 'ca./'.$domain.'/'.$user;
+ my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
+ $r->internal_redirect($switchserver);
+ return OK;
+ }
+ last;
+ }
+ }
+ # Check if author blocked ca-access
+ my %blocked=&Apache::lonnet::get('environment',['domcoord.author'],$domain,$user);
+ if ($blocked{'domcoord.author'} eq 'blocked') {
+ delete($env{$envkey});
+ $env{'user.error.msg'}=':::1:User '.$user.' in domain '.$domain.' blocked domain coordinator access';
+ last;
+ }
+ if ($dcroles{$domain}) {
+ my ($server_status,$home) = &check_author_homeserver($user,$domain);
+ if (($server_status eq 'ok') || ($server_status eq 'switchserver')) {
+ &Apache::lonnet::check_adhoc_privs($domain,$user,$update,
+ $refresh,$now,'ca');
+ if ($server_status eq 'switchserver') {
+ my $trolecode = 'ca./'.$domain.'/'.$user;
+ my $switchserver = '/adm/switchserver?'
+ .'otherserver='.$home.'&role='.$trolecode;
+ $r->internal_redirect($switchserver);
+ return OK;
+ }
+ } else {
+ delete($env{$envkey});
+ }
+ } else {
+ delete($env{$envkey});
+ }
+ last;
+ }
+ }
+ if ($numhelpdesk) {
+# Is this an ad hoc custom role in a course/community?
+ if (my ($domain,$rolename,$coursenum,$sec) = ($envkey =~ m{^form\.cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)})) {
+ if ($helpdeskroles{$domain}) {
+ my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($domain.'_'.$coursenum,1);
+ if (ref($possroles) eq 'ARRAY') {
+ if (grep(/^\Q$rolename\E$/,@{$possroles})) {
+ if (&Apache::lonnet::check_adhoc_privs($domain,$coursenum,$update,$refresh,$now,
+ "cr/$domain/$domain".'-domainconfig/'.$rolename,
+ undef,$sec)) {
+ &Apache::lonnet::appenv({"environment.internal.$domain.$coursenum.cr/$domain/$domain".
+ '-domainconfig/'."$rolename.adhoc" => time});
+ }
+ } else {
+ delete($env{$envkey});
+ }
+ } else {
+ delete($env{$envkey});
+ }
+ } else {
+ delete($env{$envkey});
+ }
+ last;
+ }
+ }
+ }
}
- &Apache::lonnet::appenv("request.course.id" => '',
- "request.course.fn" => '',
- "request.course.uri" => '',
- "request.course.sec" => '',
- "request.role" => 'cm',
- "request.role.domain" => $ENV{'user.domain'});
- foreach $envkey (keys %ENV) {
+ foreach $envkey (keys(%env)) {
next if ($envkey!~/^user\.role\./);
- my (undef,undef,$role,@pwhere)=split(/\./,$envkey);
- my $where=join('.',@pwhere);
- my $trolecode=$role.'.'.$where;
- if ($ENV{'form.'.$trolecode}) {
- my ($tstart,$tend)=split(/\./,$ENV{$envkey});
- my $tstatus='is';
- if ($tstart) {
- if ($tstart>$then) {
- $tstatus='future';
- }
- }
- if ($tend) {
- if ($tend<$then) { $tstatus='expired'; }
- if ($tend<$now) { $tstatus='will_not'; }
- }
+ my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
+ &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
+ \$trolecode,\$tstatus,\$tstart,\$tend);
+ if ($env{'form.'.$trolecode}) {
if ($tstatus eq 'is') {
$where=~s/^\///;
my ($cdom,$cnum,$csec)=split(/\//,$where);
+ if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
+ my $home = $env{'course.'.$cdom.'_'.$cnum.'.home'};
+ my @ids = &Apache::lonnet::current_machine_ids();
+ unless ($loncaparev eq '' && $home && grep(/^\Q$home\E$/,@ids)) {
+ my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+ if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
+ my ($switchserver,$switchwarning) =
+ &Apache::loncommon::check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode,
+ $curr_reqd_hash{'internal.releaserequired'});
+ if ($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));
+ return OK;
+ }
+ }
+ }
+ }
+# check for course groups
+ my %coursegroups = &Apache::lonnet::get_active_groups(
+ $env{'user.domain'},$env{'user.name'},$cdom, $cnum);
+ my $cgrps = join(':',keys(%coursegroups));
+
+# store role if recent_role list being kept
+ if ($env{'environment.recentroles'}) {
+ my %frozen_roles =
+ &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
+ &Apache::lonhtmlcommon::store_recent('roles',
+ $trolecode,' ',$frozen_roles{$trolecode});
+ }
+
+
# check for keyed access
if (($role eq 'st') &&
- ($ENV{'course.'.$cdom.'_'.$cnum.'.keyaccess'} eq 'yes')) {
- unless (&Apache::lonnet::validate_access_key(
- $ENV{'environment.key.'.$cdom.'_'.$cnum},
- $cdom,$cnum)) {
+ ($env{'course.'.$cdom.'_'.$cnum.'.keyaccess'} eq 'yes')) {
+# who is key authority?
+ my $authdom=$cdom;
+ my $authnum=$cnum;
+ if ($env{'course.'.$cdom.'_'.$cnum.'.keyauth'}) {
+ ($authnum,$authdom)=
+ split(/:/,$env{'course.'.$cdom.'_'.$cnum.'.keyauth'});
+ }
+# check with key authority
+ unless (&Apache::lonnet::validate_access_key(
+ $env{'environment.key.'.$cdom.'_'.$cnum},
+ $authdom,$authnum)) {
# there is no valid key
- if ($ENV{'form.newkey'}) {
+ if ($env{'form.newkey'}) {
# student attempts to register a new key
+ &Apache::loncommon::content_type($r,'text/html');
+ &Apache::loncommon::no_cache($r);
+ $r->send_http_header;
+ my $swinfo=&Apache::lonmenu::rawconfig();
+ my $start_page=&Apache::loncommon::start_page
+ ('Verifying Access Key to Unlock this Course');
+ my $end_page=&Apache::loncommon::end_page();
+ my $buttontext=&mt('Enter Course');
+ my $message=&mt('Successfully registered key');
+ my $assignresult=
+ &Apache::lonnet::assign_access_key(
+ $env{'form.newkey'},
+ $authdom,$authnum,
+ $cdom,$cnum,
+ $env{'user.domain'},
+ $env{'user.name'},
+ &mt('Assigned from [_1] at [_2] for [_3]'
+ ,$ENV{'REMOTE_ADDR'}
+ ,&Apache::lonlocal::locallocaltime()
+ ,$trolecode)
+ );
+ unless ($assignresult eq 'ok') {
+ $assignresult=~s/^error\:\s*//;
+ $message=&mt($assignresult).
+ '
'.
+ &mt('Logout').'';
+ $buttontext=&mt('Re-Enter Key');
+ }
+ $r->print(<
+//
+
+
+$end_page
+ENDENTEREDKEY
+ return OK;
} else {
# print form to enter a new key
- $r->content_type('text/html');
+ &Apache::loncommon::content_type($r,'text/html');
&Apache::loncommon::no_cache($r);
$r->send_http_header;
my $swinfo=&Apache::lonmenu::rawconfig();
- my $bodytag=&Apache::loncommon::bodytag
+ my $start_page=&Apache::loncommon::start_page
('Enter Access Key to Unlock this Course');
+ my $end_page=&Apache::loncommon::end_page();
$r->print(<Entering Course Access Key
-
-
-$bodytag
-
-
-