--- loncom/lonnet/perl/lonnet.pm 2009/04/11 14:47:51 1.993
+++ loncom/lonnet/perl/lonnet.pm 2009/08/10 23:32:35 1.1012
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.993 2009/04/11 14:47:51 raeburn Exp $
+# $Id: lonnet.pm,v 1.1012 2009/08/10 23:32:35 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -718,7 +718,12 @@ sub spareserver {
if ($protocol{$spare_server} eq 'https') {
$protocol = $protocol{$spare_server};
}
- $spare_server = $protocol.'://'.&hostname($spare_server);
+ if (defined($spare_server)) {
+ my $hostname = &hostname($spare_server);
+ if (defined($hostname)) {
+ $spare_server = $protocol.'://'.$hostname;
+ }
+ }
}
return $spare_server;
}
@@ -953,6 +958,43 @@ sub idput {
}
}
+# ------------------------------------------------ dump from domain db files
+
+sub dump_dom {
+ my ($namespace,$udom,$uhome,$regexp,$range)=@_;
+ if (!$udom) {
+ $udom=$env{'user.domain'};
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ } else {
+ undef($uhome);
+ }
+ } else {
+ if (!$uhome) {
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ }
+ }
+ }
+ my %returnhash;
+ if ($udom && $uhome && ($uhome ne 'no_host')) {
+ if ($regexp) {
+ $regexp=&escape($regexp);
+ } else {
+ $regexp='.';
+ }
+ my $rep=&reply("dumpdom:$udom:$namespace:$regexp:$range",$uhome);
+ my @pairs=split(/\&/,$rep);
+ foreach my $item (@pairs) {
+ my ($key,$value)=split(/=/,$item,2);
+ $key = &unescape($key);
+ next if ($key =~ /^error: 2 /);
+ $returnhash{$key}=&thaw_unescape($value);
+ }
+ }
+ return %returnhash;
+}
+
# ------------------------------------------- get items from domain db files
sub get_dom {
@@ -1027,6 +1069,70 @@ sub put_dom {
}
}
+# -------------------------------------- newput for items in domain db files
+
+sub newput_dom {
+ my ($namespace,$storehash,$udom,$uhome) = @_;
+ my $result;
+ if (!$udom) {
+ $udom=$env{'user.domain'};
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ } else {
+ undef($uhome);
+ }
+ } else {
+ if (!$uhome) {
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ }
+ }
+ }
+ if ($udom && $uhome && ($uhome ne 'no_host')) {
+ my $items='';
+ if (ref($storehash) eq 'HASH') {
+ foreach my $key (keys(%$storehash)) {
+ $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
+ }
+ $items=~s/\&$//;
+ $result = &reply("newputdom:$udom:$namespace:$items",$uhome);
+ }
+ } else {
+ &logthis("put_dom failed - no homeserver and/or domain");
+ }
+ return $result;
+}
+
+sub del_dom {
+ my ($namespace,$storearr,$udom,$uhome)=@_;
+ if (ref($storearr) eq 'ARRAY') {
+ my $items='';
+ foreach my $item (@$storearr) {
+ $items.=&escape($item).'&';
+ }
+ $items=~s/\&$//;
+ if (!$udom) {
+ $udom=$env{'user.domain'};
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ } else {
+ undef($uhome);
+ }
+ } else {
+ if (!$uhome) {
+ if (defined(&domain($udom,'primary'))) {
+ $uhome=&domain($udom,'primary');
+ }
+ }
+ }
+ if ($udom && $uhome && ($uhome ne 'no_host')) {
+ return &reply("deldom:$udom:$namespace:$items",$uhome);
+ } else {
+ &logthis("del_dom failed - no homeserver and/or domain");
+ }
+ }
+}
+
sub retrieve_inst_usertypes {
my ($udom) = @_;
my (%returnhash,@order);
@@ -1321,7 +1427,7 @@ sub get_domain_defaults {
}
}
if (ref($domconfig{'requestcourses'}) eq 'HASH') {
- foreach my $item ('official','unofficial') {
+ foreach my $item ('official','unofficial','community') {
$domdefaults{$item} = $domconfig{'requestcourses'}{$item};
}
}
@@ -1660,12 +1766,14 @@ sub userenvironment {
}
$items=~s/\&$//;
my %returnhash=();
- my @answer=split(/\&/,
- &reply('get:'.$udom.':'.$unam.':environment:'.$items,
- &homeserver($unam,$udom)));
- my $i;
- for ($i=0;$i<=$#what;$i++) {
- $returnhash{$what[$i]}=&unescape($answer[$i]);
+ my $uhome = &homeserver($unam,$udom);
+ unless ($uhome eq 'no_host') {
+ my @answer=split(/\&/,
+ &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
+ my $i;
+ for ($i=0;$i<=$#what;$i++) {
+ $returnhash{$what[$i]}=&unescape($answer[$i]);
+ }
}
return %returnhash;
}
@@ -1861,6 +1969,8 @@ sub ssi_body {
if ($filelink=~/^https?\:/) {
($output,$response)=&externalssi($filelink);
} else {
+ $filelink .= $filelink=~/\?/ ? '&' : '?';
+ $filelink .= 'inhibitmenu=yes';
($output,$response)=&ssi($filelink,%form);
}
$output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
@@ -1904,7 +2014,7 @@ sub ssi {
&Apache::lonenc::check_encrypt(\$fn);
if (%form) {
$request=new HTTP::Request('POST',&absolute_url().$fn);
- $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
+ $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys(%form)));
} else {
$request=new HTTP::Request('GET',&absolute_url().$fn);
}
@@ -2166,9 +2276,12 @@ sub userfileupload {
close($fh);
return $fullpath.'/'.$fname;
}
-
+ if ($subdir eq 'scantron') {
+ $fname = 'scantron_orig_'.$fname;
+ } else {
# Create the directory if not present
- $fname="$subdir/$fname";
+ $fname="$subdir/$fname";
+ }
if ($coursedoc) {
my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
@@ -2551,7 +2664,7 @@ sub flushcourselogs {
# Reverse lookup of domain roles (dc, ad, li, sc, au)
#
my %domrolebuffer = ();
- foreach my $entry (keys %domainrolehash) {
+ foreach my $entry (keys(%domainrolehash)) {
my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
if ($domrolebuffer{$rudom}) {
$domrolebuffer{$rudom}.='&'.&escape($entry).
@@ -2706,6 +2819,9 @@ sub courserolelog {
$storehash{'section'} = $sec;
}
&instructor_log($namespace,\%storehash,$delflag,$username,$domain,$cnum,$cdom);
+ if (($trole ne 'st') || ($sec ne '')) {
+ &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum);
+ }
}
}
return;
@@ -2728,15 +2844,29 @@ sub get_course_adv_roles {
my %dumphash=
&dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
my $now=time;
- foreach my $entry (keys %dumphash) {
+ my %privileged;
+ foreach my $entry (keys(%dumphash)) {
my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
if (($tstart) && ($tstart<0)) { next; }
if (($tend) && ($tend<$now)) { next; }
if (($tstart) && ($now<$tstart)) { next; }
my ($role,$username,$domain,$section)=split(/\:/,$entry);
if ($username eq '' || $domain eq '') { next; }
- if ((&privileged($username,$domain)) &&
- (!$nothide{$username.':'.$domain})) { next; }
+ unless (ref($privileged{$domain}) eq 'HASH') {
+ my %dompersonnel =
+ &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now);
+ $privileged{$domain} = {};
+ foreach my $server (keys(%dompersonnel)) {
+ if (ref($dompersonnel{$server}) eq 'HASH') {
+ foreach my $user (keys(%{$dompersonnel{$server}})) {
+ my ($trole,$uname,$udom) = split(/:/,$user);
+ $privileged{$udom}{$uname} = 1;
+ }
+ }
+ }
+ }
+ if ((exists($privileged{$domain}{$username})) &&
+ (!$nothide{$username.':'.$domain})) { next; }
if ($role eq 'cr') { next; }
if ($codes) {
if ($section) { $role .= ':'.$section; }
@@ -2781,6 +2911,7 @@ sub get_my_roles {
}
my %returnhash=();
my $now=time;
+ my %privileged;
foreach my $entry (keys(%dumphash)) {
my ($role,$tend,$tstart);
if ($context eq 'userroles') {
@@ -2829,9 +2960,32 @@ sub get_my_roles {
}
}
if ($hidepriv) {
- if ((&privileged($username,$domain)) &&
- (!$nothide{$username.':'.$domain})) {
- next;
+ if ($context eq 'userroles') {
+ if ((&privileged($username,$domain)) &&
+ (!$nothide{$username.':'.$domain})) {
+ next;
+ }
+ } else {
+ unless (ref($privileged{$domain}) eq 'HASH') {
+ my %dompersonnel =
+ &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now);
+ $privileged{$domain} = {};
+ if (keys(%dompersonnel)) {
+ foreach my $server (keys(%dompersonnel)) {
+ if (ref($dompersonnel{$server}) eq 'HASH') {
+ foreach my $user (keys(%{$dompersonnel{$server}})) {
+ my ($trole,$uname,$udom) = split(/:/,$user);
+ $privileged{$udom}{$uname} = $trole;
+ }
+ }
+ }
+ }
+ }
+ if (exists($privileged{$domain}{$username})) {
+ if (!$nothide{$username.':'.$domain}) {
+ next;
+ }
+ }
}
}
if ($withsec) {
@@ -2917,7 +3071,7 @@ sub courseidput {
sub courseiddump {
my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,
$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
- $selfenrollonly,$catfilter,$showhidden,$caller)=@_;
+ $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,$cloneonly)=@_;
my $as_hash = 1;
my %returnhash;
if (!$domfilter) { $domfilter=''; }
@@ -2936,7 +3090,8 @@ sub courseiddump {
':'.&escape($coursefilter).':'.&escape($typefilter).
':'.&escape($regexp_ok).':'.$as_hash.':'.
&escape($selfenrollonly).':'.&escape($catfilter).':'.
- $showhidden.':'.$caller,$tryserver);
+ $showhidden.':'.$caller.':'.&escape($cloner).':'.
+ &escape($cc_clone).':'.$cloneonly,$tryserver);
my @pairs=split(/\&/,$rep);
foreach my $item (@pairs) {
my ($key,$value)=split(/\=/,$item,2);
@@ -2951,7 +3106,7 @@ sub courseiddump {
for (my $i=0; $i<@responses; $i++) {
$returnhash{$key}{$items[$i]} = &unescape($responses[$i]);
}
- }
+ }
}
}
}
@@ -3401,7 +3556,7 @@ sub tmpreset {
if (tie(%hash,'GDBM_File',
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
&GDBM_WRCREAT(),0640)) {
- foreach my $key (keys %hash) {
+ foreach my $key (keys(%hash)) {
if ($key=~ /:$symb/) {
delete($hash{$key});
}
@@ -3837,7 +3992,7 @@ sub set_userprivs {
my $adv=0;
my %grouproles = ();
if (keys(%{$allgroups}) > 0) {
- foreach my $role (keys %{$allroles}) {
+ foreach my $role (keys(%{$allroles})) {
my ($trole,$area,$sec,$extendedarea);
if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
$trole = $1;
@@ -3880,6 +4035,101 @@ sub set_userprivs {
return ($author,$adv);
}
+sub role_status {
+ my ($rolekey,$then,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
+ my @pwhere = ();
+ if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
+ (undef,undef,$$role,@pwhere)=split(/\./,$rolekey);
+ unless (!defined($$role) || $$role eq '') {
+ $$where=join('.',@pwhere);
+ $$trolecode=$$role.'.'.$$where;
+ ($$tstart,$$tend)=split(/\./,$env{$rolekey});
+ $$tstatus='is';
+ if ($$tstart && $$tstart>$then) {
+ $$tstatus='future';
+ if ($$tstart && $$tstart>$refresh) {
+ if ($$tstart<$now) {
+ if (($$where ne '') && ($$role ne '')) {
+ my (%allroles,%allgroups,$group_privs);
+ my %userroles = (
+ 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend
+ );
+ my $spec=$$role.'.'.$$where;
+ my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
+ if ($$role eq 'gr') {
+ my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
+ $env{'user.name'})=@_;
+ my ($trole) = split('_',$role,1);
+ (undef,my $group_privs) = split(/\//,$trole);
+ $group_privs = &unescape($group_privs);
+ }
+ if ($$role =~ /^cr\//) {
+ &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
+ } elsif ($$role eq 'gr') {
+ my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
+ $env{'user.name'});
+ my $trole = split('_',$rolehash{$$where.'_'.$$role},1);
+ (undef,my $group_privs) = split(/\//,$trole);
+ $group_privs = &unescape($group_privs);
+ &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart);
+ } else {
+ &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where);
+ }
+ my ($author,$adv)= &set_userprivs(\%userroles,\%allroles,\%allgroups);
+ &appenv(\%userroles,[$$role,'cm']);
+ &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role);
+ $$tstatus = 'is';
+ }
+ }
+ }
+ }
+ if ($$tend) {
+ if ($$tend<$then) {
+ $$tstatus='expired';
+ } elsif ($$tend<$now) {
+ $$tstatus='will_not';
+ }
+ }
+ }
+ }
+}
+
+sub check_adhoc_privs {
+ my ($cdom,$cnum,$then,$refresh,$now,$checkrole) = @_;
+ my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
+ if ($env{$cckey}) {
+ my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
+ &role_status($cckey,$then,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
+ unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
+ &set_adhoc_privileges($cdom,$cnum,$checkrole);
+ }
+ } else {
+ &set_adhoc_privileges($cdom,$cnum,$checkrole);
+ }
+}
+
+sub set_adhoc_privileges {
+# role can be cc or ca
+ my ($dcdom,$pickedcourse,$role) = @_;
+ my $area = '/'.$dcdom.'/'.$pickedcourse;
+ my $spec = $role.'.'.$area;
+ my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'},
+ $env{'user.name'});
+ my %ccrole = ();
+ &standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area);
+ my ($author,$adv)= &set_userprivs(\%userroles,\%ccrole);
+ &appenv(\%userroles,[$role,'cm']);
+ &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role);
+ &appenv( {'request.role' => $spec,
+ 'request.role.domain' => $dcdom,
+ 'request.course.sec' => ''
+ }
+ );
+ my $tadv=0;
+ if (&allowed('adv') eq 'F') { $tadv=1; }
+ &appenv({'request.role.adv' => $tadv});
+}
+
# --------------------------------------------------------------- get interface
sub get {
@@ -4489,6 +4739,7 @@ sub usertools_access {
%tools = (
official => 1,
unofficial => 1,
+ community => 1,
);
} else {
%tools = (
@@ -4936,7 +5187,7 @@ sub allowed {
my $envkey;
if ($thisallowed=~/L/) {
- foreach $envkey (keys %env) {
+ foreach $envkey (keys(%env)) {
if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
my $courseid=$2;
my $roleid=$1.'.'.$2;
@@ -5227,7 +5478,7 @@ sub fetch_enrollment_query {
}
my $host=&hostname($homeserver);
my $cmd = '';
- foreach my $affiliate (keys %{$affiliatesref}) {
+ foreach my $affiliate (keys(%{$affiliatesref})) {
$cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
}
$cmd =~ s/%%$//;
@@ -5360,11 +5611,21 @@ sub auto_run {
sub auto_get_sections {
my ($cnum,$cdom,$inst_coursecode) = @_;
- my $homeserver = &homeserver($cnum,$cdom);
- my @secs = ();
- my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
- unless ($response eq 'refused') {
- @secs = split(/:/,$response);
+ my $homeserver;
+ if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
+ $homeserver = &homeserver($cnum,$cdom);
+ }
+ if (!defined($homeserver)) {
+ if ($cdom =~ /^$match_domain$/) {
+ $homeserver = &domain($cdom,'primary');
+ }
+ }
+ my @secs;
+ if (defined($homeserver)) {
+ my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
+ unless ($response eq 'refused') {
+ @secs = split(/:/,$response);
+ }
}
return @secs;
}
@@ -5383,6 +5644,22 @@ sub auto_validate_courseID {
return $response;
}
+sub auto_validate_instcode {
+ my ($cnum,$cdom,$instcode,$owner) = @_;
+ my ($homeserver,$response);
+ if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
+ $homeserver = &homeserver($cnum,$cdom);
+ }
+ if (!defined($homeserver)) {
+ if ($cdom =~ /^$match_domain$/) {
+ $homeserver = &domain($cdom,'primary');
+ }
+ }
+ my $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'.
+ &escape($instcode).':'.&escape($owner),$homeserver));
+ return $response;
+}
+
sub auto_create_password {
my ($cnum,$cdom,$authparam,$udom) = @_;
my ($homeserver,$response);
@@ -5554,7 +5831,52 @@ sub auto_instcode_defaults {
}
return $response;
-}
+}
+
+sub auto_possible_instcodes {
+ my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_;
+ unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') &&
+ (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
+ return;
+ }
+ my (@homeservers,$uhome);
+ if (defined(&domain($domain,'primary'))) {
+ $uhome=&domain($domain,'primary');
+ push(@homeservers,&domain($domain,'primary'));
+ } else {
+ my %servers = &get_servers($domain,'library');
+ foreach my $tryserver (keys(%servers)) {
+ if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
+ push(@homeservers,$tryserver);
+ }
+ }
+ }
+ my $response;
+ foreach my $server (@homeservers) {
+ $response=&reply('autopossibleinstcodes:'.$domain,$server);
+ next if ($response =~ /(con_lost|error|no_such_host|refused)/);
+ my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) =
+ split(':',$response);
+ @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr));
+ @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr));
+ foreach my $item (split('&',$cat_title)) {
+ my ($name,$value)=split('=',$item);
+ $cat_titles->{&unescape($name)}=&thaw_unescape($value);
+ }
+ foreach my $item (split('&',$cat_order)) {
+ my ($name,$value)=split('=',$item);
+ $cat_orders->{&unescape($name)}=&thaw_unescape($value);
+ }
+ return 'ok';
+ }
+ return $response;
+}
+
+sub auto_courserequest_checks {
+ my ($dom) = @_;
+ my %validations;
+ return %validations;
+}
sub auto_validate_class_sec {
my ($cdom,$cnum,$owners,$inst_class) = @_;
@@ -5722,8 +6044,8 @@ sub plaintext {
}
}
my %rolenames = (
- Course => 'std',
- Group => 'alt1',
+ Course => 'std',
+ Community => 'alt1',
);
if (defined($type) &&
defined($rolenames{$type}) &&
@@ -6099,28 +6421,26 @@ sub writecoursepref {
sub createcourse {
my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
- $course_owner,$crstype)=@_;
+ $course_owner,$crstype,$cnum)=@_;
$url=&declutter($url);
my $cid='';
unless (&allowed('ccc',$udom)) {
return 'refused';
}
-# ------------------------------------------------------------------- Create ID
- my $uname=int(1+rand(9)).
- ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
- substr($$.time,0,5).unpack("H8",pack("I32",time)).
- unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
-# ----------------------------------------------- Make sure that does not exist
- my $uhome=&homeserver($uname,$udom,'true');
- unless (($uhome eq '') || ($uhome eq 'no_host')) {
- $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)).
- unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
- $uhome=&homeserver($uname,$udom,'true');
- unless (($uhome eq '') || ($uhome eq 'no_host')) {
- return 'error: unable to generate unique course-ID';
- }
- }
-# ------------------------------------------------ Check supplied server name
+# --------------------------------------------------------------- Get Unique ID
+ my $uname;
+ if ($cnum =~ /^$match_courseid$/) {
+ my $chome=&homeserver($cnum,$udom,'true');
+ if (($chome eq '') || ($chome eq 'no_host')) {
+ $uname = $cnum;
+ } else {
+ $uname = &generate_coursenum($udom);
+ }
+ } else {
+ $uname = &generate_coursenum($udom);
+ }
+ return $uname if ($uname =~ /^error/);
+# -------------------------------------------------- Check supplied server name
$course_server = $env{'user.homeserver'} if (! defined($course_server));
if (! &is_library($course_server)) {
return 'error:bad server name '.$course_server;
@@ -6129,7 +6449,7 @@ sub createcourse {
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
$course_server);
unless ($reply eq 'ok') { return 'error: '.$reply; }
- $uhome=&homeserver($uname,$udom,'true');
+ my $uhome=&homeserver($uname,$udom,'true');
if (($uhome eq '') || ($uhome eq 'no_host')) {
return 'error: no such course';
}
@@ -6170,6 +6490,30 @@ ENDINITMAP
return '/'.$udom.'/'.$uname;
}
+# ------------------------------------------------------------------- Create ID
+sub generate_coursenum {
+ my ($udom) = @_;
+ my $domdesc = &domain($udom);
+ return 'error: invalid domain' if ($domdesc eq '');
+ my $uname=int(1+rand(9)).
+ ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+ substr($$.time,0,5).unpack("H8",pack("I32",time)).
+ unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+# ----------------------------------------------- Make sure that does not exist
+ my $uhome=&homeserver($uname,$udom,'true');
+ unless (($uhome eq '') || ($uhome eq 'no_host')) {
+ $uname=int(1+rand(9)).
+ ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+ substr($$.time,0,5).unpack("H8",pack("I32",time)).
+ unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+ $uhome=&homeserver($uname,$udom,'true');
+ unless (($uhome eq '') || ($uhome eq 'no_host')) {
+ return 'error: unable to generate unique course-ID';
+ }
+ }
+ return $uname;
+}
+
sub is_course {
my ($cdom,$cnum) = @_;
my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,
@@ -7735,7 +8079,7 @@ sub symblist {
if (($env{'request.course.fn'}) && (%newhash)) {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
&GDBM_WRCREAT(),0640)) {
- foreach my $url (keys %newhash) {
+ foreach my $url (keys(%newhash)) {
next if ($url eq 'last_known'
&& $env{'form.no_update_last_known'});
$hash{declutter($url)}=&encode_symb($mapname,
@@ -9482,7 +9826,7 @@ and course level
plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash
(rolesplain.tab); plain text explanation of a user role term.
-$type is Course (default) or Group.
+$type is Course (default) or Community.
If $forcedefault evaluates to true, text returned will be default
text for $type. Otherwise, if this is a course, the text returned
will be a custom name for the role (if defined in the course's
@@ -9692,7 +10036,11 @@ database) for a course
=item *
-createcourse($udom,$description,$url) : make/modify course
+createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
+
+=item *
+
+generate_coursenum($udom) : get a unique (unused) course number in domain $udom
=back