--- loncom/lonnet/perl/lonnet.pm 2005/11/15 18:30:41 1.676
+++ loncom/lonnet/perl/lonnet.pm 2005/11/22 02:24:55 1.684
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.676 2005/11/15 18:30:41 albertel Exp $
+# $Id: lonnet.pm,v 1.684 2005/11/22 02:24:55 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -2575,15 +2575,17 @@ sub rolesinit {
my $rolesdump=reply("dump:$domain:$username:roles",$authhost);
if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; }
my %allroles=();
+ my %allgroups=();
my $now=time;
my $userroles="user.login.time=$now\n";
+ my $group_privs;
if ($rolesdump ne '') {
foreach (split(/&/,$rolesdump)) {
if ($_!~/^rolesdef_/) {
my ($area,$role)=split(/=/,$_);
$area=~s/\_\w\w$//;
- my ($trole,$tend,$tstart);
+ my ($trole,$tend,$tstart,$group_privs);
if ($role=~/^cr/) {
if ($role=~m|^(cr/\w+/\w+/[a-zA-Z0-9]+)_(.*)$|) {
($trole,my $trest)=($role=~m|^(cr/\w+/\w+/[a-zA-Z0-9]+)_(.*)$|);
@@ -2591,6 +2593,10 @@ sub rolesinit {
} else {
$trole=$role;
}
+ } elsif ($role =~ m|^gr/|) {
+ ($trole,$tend,$tstart) = split(/_/,$role);
+ ($trole,$group_privs) = split(/\//,$trole);
+ $group_privs = &unescape($group_privs);
} else {
($trole,$tend,$tstart)=split(/_/,$role);
}
@@ -2602,13 +2608,15 @@ sub rolesinit {
my ($tdummy,$tdomain,$trest)=split(/\//,$area);
if ($trole =~ /^cr\//) {
&custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
+ } elsif ($trole eq 'gr') {
+ &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart);
} else {
&standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
}
}
}
}
- my ($author,$adv) = &set_userprivs(\$userroles,\%allroles);
+ my ($author,$adv) = &set_userprivs(\$userroles,\%allroles,\%allgroups);
$userroles.='user.adv='.$adv."\n".
'user.author='.$author."\n";
$env{'user.adv'}=$adv;
@@ -2650,6 +2658,17 @@ sub custom_roleprivs {
}
}
+sub group_roleprivs {
+ my ($allgroups,$area,$group_privs,$tend,$tstart) = @_;
+ my $access = 1;
+ my $now = time;
+ if (($tend!=0) && ($tend<$now)) { $access = 0; }
+ if (($tstart!=0) && ($tstart>$now)) { $access=0; }
+ if ($access) {
+ my ($course,$group) = ($area =~ m|(/\w+/\w+)/([^/]+)$|);
+ $$allgroups{$course}{$group} .=':'.$group_privs;
+ }
+}
sub standard_roleprivs {
my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_;
@@ -2670,9 +2689,31 @@ sub standard_roleprivs {
}
sub set_userprivs {
- my ($userroles,$allroles) = @_;
+ my ($userroles,$allroles,$allgroups) = @_;
my $author=0;
my $adv=0;
+ my %grouproles = ();
+ if (keys(%{$allgroups}) > 0) {
+ foreach my $role (keys %{$allroles}) {
+ my ($trole,$area,$sec,$extendedarea);
+ if ($role =~ m|^(\w+)\.(/\w+/\w+)(/?\w*)|) {
+ $trole = $1;
+ $area = $2;
+ $sec = $3;
+ $extendedarea = $area.$sec;
+ if (exists($$allgroups{$area})) {
+ foreach my $group (keys(%{$$allgroups{$area}})) {
+ my $spec = $trole.'.'.$extendedarea;
+ $grouproles{$spec.'.'.$area.'/'.$group} =
+ $$allgroups{$area}{$group};
+ }
+ }
+ }
+ }
+ }
+ foreach (keys(%grouproles)) {
+ $$allroles{$_} = $grouproles{$_};
+ }
foreach (keys %{$allroles}) {
my %thesepriv=();
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; }
@@ -3024,8 +3065,6 @@ sub allowed {
my $orguri=$uri;
$uri=&declutter($uri);
-
-
if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
# Free bre access to adm and meta resources
if (((($uri=~/^adm\//) && ($uri !~ m|/bulletinboard$|))
@@ -3072,7 +3111,7 @@ sub allowed {
if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) {
# uri is the requested domain in this case.
# comparison to 'request.role.domain' shows if the user has selected
- # a role of dc for the domain in question.
+ # a role of dc for the domain in question.
return 'F' if ($uri eq $env{'request.role.domain'});
}
@@ -3103,6 +3142,14 @@ sub allowed {
$thisallowed.=$1;
}
+# Group: uri itself is a group
+ my $groupuri=$uri;
+ $groupuri=~s/^([^\/])/\/$1/;
+ if ($env{'user.priv.'.$env{'request.role'}.'.'.$groupuri}
+ =~/\Q$priv\E\&([^\:]*)/) {
+ $thisallowed.=$1;
+ }
+
# URI is an uploaded document for this course, default permissions don't matter
# not allowing 'edit' access (editupload) to uploaded course docs
if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) {
@@ -3653,6 +3700,97 @@ sub auto_instcode_format {
return $response;
}
+# ------------------------------------------------------- Course Group routines
+
+sub get_coursegroups {
+ my ($cdom,$cnum,$group) = @_;
+ return(&dump('coursegroups',$cdom,$cnum,$group));
+}
+
+sub modify_coursegroup {
+ my ($cdom,$cnum,$groupsettings) = @_;
+ return(&put('coursegroups',$groupsettings,$cdom,$cnum));
+}
+
+sub modify_group_roles {
+ my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs) = @_;
+ my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id;
+ my $role = 'gr/'.&escape($userprivs);
+ my ($uname,$udom) = split(/:/,$user);
+ my $result = &assignrole($udom,$uname,$url,$role,$end,$start);
+ if ($result eq 'ok') {
+ &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum);
+ }
+
+ return $result;
+}
+
+sub modify_coursegroup_membership {
+ my ($cdom,$cnum,$membership) = @_;
+ my $result = &put('groupmembership',$membership,$cdom,$cnum);
+ return $result;
+}
+
+sub get_active_groups {
+ my ($udom,$uname,$cdom,$cnum) = @_;
+ my $now = time;
+ my %groups = ();
+ foreach my $key (keys(%env)) {
+ if ($key =~ m-user\.role\.gr\./([^/]+)/([^/]+)/(\w+)$-) {
+ my ($start,$end) = split(/\./,$env{$key});
+ if (($end!=0) && ($end<$now)) { next; }
+ if (($start!=0) && ($start>$now)) { next; }
+ if ($1 eq $cdom && $2 eq $cnum) {
+ $groups{$3} = $env{$key} ;
+ }
+ }
+ }
+ return %groups;
+}
+
+sub get_group_membership {
+ my ($cdom,$cnum,$group) = @_;
+ return(&dump('groupmembership',$cdom,$cnum,$group));
+}
+
+sub get_users_groups {
+ my ($udom,$uname,$courseid) = @_;
+ my $cachetime=1800;
+ $courseid=~s/\_/\//g;
+ $courseid=~s/^(\w)/\/$1/;
+
+ my $hashid="$udom:$uname:$courseid";
+ my ($result,$cached)=&is_cached_new('getgroups',$hashid);
+ if (defined($cached)) { return $result; }
+
+ my %roleshash = &dump('roles',$udom,$uname,$courseid);
+ my ($tmp) = keys(%roleshash);
+ if ($tmp=~/^error:/) {
+ &logthis('Error retrieving roles: '.$tmp.' for '.$uname.':'.$udom);
+ return '';
+ } else {
+ my $grouplist;
+ foreach my $key (keys %roleshash) {
+ if ($key =~ /^\Q$courseid\E\/(\w+)\_gr$/) {
+ unless ($roleshash{$key} =~ /_1_1$/) { # deleted membership
+ $grouplist .= $1.':';
+ }
+ }
+ }
+ $grouplist =~ s/:$//;
+ return &do_cache_new('getgroups',$hashid,$grouplist,$cachetime);
+ }
+}
+
+sub devalidate_getgroups_cache {
+ my ($udom,$uname,$cdom,$cnum)=@_;
+ my $courseid = $cdom.'_'.$cnum;
+ $courseid=~s/\_/\//g;
+ $courseid=~s/^(\w)/\/$1/;
+ my $hashid="$udom:$uname:$courseid";
+ &devalidate_cache_new('getgroups',$hashid);
+}
+
# ------------------------------------------------------------------ Plain Text
sub plaintext {
@@ -3675,6 +3813,16 @@ sub assignrole {
return 'refused';
}
$mrole='cr';
+ } elsif ($role =~ /^gr\//) {
+ my $cwogrp=$url;
+ $cwogrp=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/;
+ unless (&allowed('mdg',$cwogrp)) {
+ &logthis('Refused group assignrole: '.
+ $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '.
+ $env{'user.name'}.' at '.$env{'user.domain'});
+ return 'refused';
+ }
+ $mrole='gr';
} else {
my $cwosec=$url;
$cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/;
@@ -3835,6 +3983,7 @@ sub modifyuser {
}
my $reply = &put('environment', \%names, $udom,$uname);
if ($reply ne 'ok') { return 'error: '.$reply; }
+ &devalidate_cache_new('namescache',$uname.':'.$udom);
&logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '.
$umode.', '.$first.', '.$middle.', '.
$last.', '.$gene.' by '.
@@ -4656,7 +4805,8 @@ sub EXT {
return $env{'course.'.$courseid.'.'.$spacequalifierrest};
} elsif ($realm eq 'resource') {
- my $section;
+ my ($section,$group);
+ my @groups = ();
if (defined($courseid) && $courseid eq $env{'request.course.id'}) {
if (!$symbparm) { $symbparm=&symbread(); }
}
@@ -4676,14 +4826,29 @@ sub EXT {
if (($env{'user.name'} eq $uname) &&
($env{'user.domain'} eq $udom)) {
$section=$env{'request.course.sec'};
+ @groups=split(/:/,$env{'request.course.groups'});
+ if (@groups > 0) {
+ @groups = sort(@groups);
+ $group = $groups[0];
+ }
} else {
if (! defined($usection)) {
$section=&getsection($udom,$uname,$courseid);
} else {
$section = $usection;
}
+ my $grouplist = &get_users_groups($udom,$uname,$courseid);
+ if ($grouplist) {
+ @groups = split(/:/,$grouplist);
+ @groups = sort(@groups);
+ $group = $groups[0];
+ }
}
+ my $grplevel=$courseid.'.['.$group.'].'.$spacequalifierrest;
+ my $grplevelr=$courseid.'.['.$group.'].'.$symbparm;
+ my $grplevelm=$courseid.'.['.$group.'].'.$mapparm;
+
my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;
@@ -4701,8 +4866,17 @@ sub EXT {
if (defined($userreply)) { return $userreply; }
# ------------------------------------------------ second, check some of course
+ my $coursereply;
+ if (defined($group)) {
+ $coursereply = &resdata($env{'course.'.$courseid.'.num'},
+ $env{'course.'.$courseid.'.domain'},
+ 'course',
+ ($grplevelr,$grplevelm,$grplevel,
+ $courselevelr));
+ if (defined($coursereply)) { return $coursereply; }
+ }
- my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
+ $coursereply=&resdata($env{'course.'.$courseid.'.num'},
$env{'course.'.$courseid.'.domain'},
'course',
($seclevelr,$seclevelm,$seclevel,
@@ -5970,13 +6144,6 @@ sub thaw_unescape {
return &unescape($value);
}
-sub mod_perl_version {
- return 1;
- if (defined($perlvar{'MODPERL2'})) {
- return 2;
- }
-}
-
sub correct_line_ends {
my ($result)=@_;
$$result =~s/\r\n/\n/mg;