loncom/lonnet/perl/lonnet.pm - diff

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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.1172.2.146.2.8 and 1.1430

version 1.1172.2.146.2.8, 2023/01/16 19:10:08	version 1.1430, 2020/10/20 01:38:12
Line 71 delayed.	Line 71 delayed.
package Apache::lonnet;	package Apache::lonnet;

use strict;	use strict;
use LWP::UserAgent();
use HTTP::Date;	use HTTP::Date;
use Image::Magick;	use Image::Magick;
use CGI::Cookie;	use CGI::Cookie;

	use Encode;

use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex	use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex
$_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease	$_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
%managerstab $passwdmin);	%managerstab $passwdmin);
Line 95 use Cache::Memcached;	Line 96 use Cache::Memcached;
use Digest::MD5;	use Digest::MD5;
use Math::Random;	use Math::Random;
use File::MMagic;	use File::MMagic;
use Net::CIDR;
use Sys::Hostname::FQDN();
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
use LONCAPA::Configuration;	use LONCAPA::Configuration;
use LONCAPA::lonmetadata;	use LONCAPA::lonmetadata;
use LONCAPA::Lond;	use LONCAPA::Lond;
	use LONCAPA::LWPReq;
use LONCAPA::transliterate;	use LONCAPA::transliterate;

use File::Copy;	use File::Copy;
Line 113 require Exporter;	Line 113 require Exporter;
our @ISA = qw (Exporter);	our @ISA = qw (Exporter);
our @EXPORT = qw(%env);	our @EXPORT = qw(%env);


# ------------------------------------ Logging (parameters, docs, slots, roles)	# ------------------------------------ Logging (parameters, docs, slots, roles)
{	{
my $logid;	my $logid;
Line 127 our @EXPORT = qw(%env);	Line 128 our @EXPORT = qw(%env);
$logid ++;	$logid ++;
my $now = time();	my $now = time();
my $id=$now.'00000'.$$.'00000'.$logid;	my $id=$now.'00000'.$$.'00000'.$logid;
my $ip = &get_requestor_ip();	my $logentry = {
my $logentry = {	$id => {
$id => {	'exe_uname' => $env{'user.name'},
'exe_uname' => $env{'user.name'},	'exe_udom' => $env{'user.domain'},
'exe_udom' => $env{'user.domain'},	'exe_time' => $now,
'exe_time' => $now,	'exe_ip' => $ENV{'REMOTE_ADDR'},
'exe_ip' => $ip,	'delflag' => $delflag,
'delflag' => $delflag,	'logentry' => $storehash,
'logentry' => $storehash,	'uname' => $uname,
'uname' => $uname,	'udom' => $udom,
'udom' => $udom,	}
}
};	};
return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum);	return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum);
}	}
}	}

Line 185 sub create_connection {	Line 185 sub create_connection {
Type => SOCK_STREAM,	Type => SOCK_STREAM,
Timeout => 10);	Timeout => 10);
return 0 if (!$client);	return 0 if (!$client);
print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n");	print $client (join(':',$hostname,$lonid,&machine_ids($hostname),$loncaparevs{$lonid})."\n");
my $result = <$client>;	my $result = <$client>;
chomp($result);	chomp($result);
return 1 if ($result eq 'done');	return 1 if ($result eq 'done');
Line 230 sub get_server_distarch {	Line 230 sub get_server_distarch {
return;	return;
}	}

	sub get_servercerts_info {
	my ($lonhost,$hostname,$context) = @_;
	return if ($lonhost eq '');
	if ($hostname eq '') {
	$hostname = &hostname($lonhost);
	}
	return if ($hostname eq '');
	my ($rep,$uselocal);
	if ($context eq 'install') {
	$uselocal = 1;
	} elsif (grep { $_ eq $lonhost } &current_machine_ids()) {
	$uselocal = 1;
	}
	if (($context ne 'cgi') && ($context ne 'install') && ($uselocal)) {
	my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
	if ($distro eq '') {
	$uselocal = 0;
	} elsif ($distro =~ /^(?:centos\|redhat\|scientific)(\d+)$/) {
	if ($1 < 6) {
	$uselocal = 0;
	}
	} elsif ($distro =~ /^(?:sles)(\d+)$/) {
	if ($1 < 12) {
	$uselocal = 0;
	}
	}
	}
	if ($uselocal) {
	$rep = LONCAPA::Lond::server_certs(\%perlvar,$lonhost,$hostname);
	} else {
	$rep=&reply('servercerts',$lonhost);
	}
	my ($result,%returnhash);
	if (($rep=~/^(refused\|rejected\|error)/) \|\| ($rep eq 'con_lost') \|\|
	($rep eq 'unknown_cmd')) {
	$result = $rep;
	} else {
	$result = 'ok';
	my @pairs=split(/\&/,$rep);
	foreach my $item (@pairs) {
	my ($key,$value)=split(/=/,$item,2);
	my $what = &unescape($key);
	$returnhash{$what}=&thaw_unescape($value);
	}
	}
	return ($result,\%returnhash);
	}

sub get_server_loncaparev {	sub get_server_loncaparev {
my ($dom,$lonhost,$ignore_cache,$caller) = @_;	my ($dom,$lonhost,$ignore_cache,$caller) = @_;
if (defined($lonhost)) {	if (defined($lonhost)) {
Line 264 sub get_server_loncaparev {	Line 312 sub get_server_loncaparev {
$answer = &reply('serverloncaparev',$lonhost);	$answer = &reply('serverloncaparev',$lonhost);
if (($answer eq 'unknown_cmd') \|\| ($answer eq 'con_lost')) {	if (($answer eq 'unknown_cmd') \|\| ($answer eq 'con_lost')) {
if ($caller eq 'loncron') {	if ($caller eq 'loncron') {
my $ua=new LWP::UserAgent;
$ua->timeout(4);
my $hostname = &hostname($lonhost);	my $hostname = &hostname($lonhost);
my $protocol = $protocol{$lonhost};	my $protocol = $protocol{$lonhost};
$protocol = 'http' if ($protocol ne 'https');	$protocol = 'http' if ($protocol ne 'https');
my $url = $protocol.'://'.$hostname.'/adm/about.html';	my $url = $protocol.'://'.$hostname.'/adm/about.html';
my $request=new HTTP::Request('GET',$url);	my $request=new HTTP::Request('GET',$url);
my $response=$ua->request($request);	my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,4,1);
unless ($response->is_error()) {	unless ($response->is_error()) {
my $content = $response->content;	my $content = $response->content;
if ($content =~ /<p>VERSION\:\s*([\w.\-]+)<\/p>/) {	if ($content =~ /<p>VERSION\:\s*([\w.\-]+)<\/p>/) {
Line 362 sub remote_devalidate_cache {	Line 408 sub remote_devalidate_cache {
my $items;	my $items;
return unless (ref($cachekeys) eq 'ARRAY');	return unless (ref($cachekeys) eq 'ARRAY');
my $cachestr = join('&',@{$cachekeys});	my $cachestr = join('&',@{$cachekeys});
return &reply('devalidatecache:'.&escape($cachestr),$lonhost);	my $response = &reply('devalidatecache:'.&escape($cachestr),$lonhost);
	return $response;
}	}

# -------------------------------------------------- Non-critical communication	# -------------------------------------------------- Non-critical communication
Line 394 sub subreply {	Line 441 sub subreply {
} else {	} else {
&create_connection(&hostname($server),$server);	&create_connection(&hostname($server),$server);
}	}
sleep(0.1); # Try again later if failed connection.	sleep(0.1); # Try again later if failed connection.
}	}
my $answer;	my $answer;
if ($client) {	if ($client) {
Line 467 sub reconlonc {	Line 514 sub reconlonc {
&logthis("lonc at pid $loncpid responding, sending USR1");	&logthis("lonc at pid $loncpid responding, sending USR1");
kill USR1 => $loncpid;	kill USR1 => $loncpid;
sleep 1;	sleep 1;
} else {	} else {
&logthis(	&logthis(
"<font color=\"blue\">WARNING:".	"<font color=\"blue\">WARNING:".
" lonc at pid $loncpid not responding, giving up</font>");	" lonc at pid $loncpid not responding, giving up</font>");
Line 662 sub check_for_valid_session {	Line 709 sub check_for_valid_session {
}	}
}	}
if (!-e "$lonidsdir/$handle.id") {	if (!-e "$lonidsdir/$handle.id") {
if ((ref($domref)) && ($name eq 'lonID') &&	if ((ref($domref)) && ($name eq 'lonID') &&
($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {	($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
my ($possuname,$possudom,$possuhome) = ($1,$2,$3);	my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {	if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
Line 691 sub check_for_valid_session {	Line 738 sub check_for_valid_session {
if (ref($userhashref) eq 'HASH') {	if (ref($userhashref) eq 'HASH') {
$userhashref->{'name'} = $disk_env{'user.name'};	$userhashref->{'name'} = $disk_env{'user.name'};
$userhashref->{'domain'} = $disk_env{'user.domain'};	$userhashref->{'domain'} = $disk_env{'user.domain'};
if ($disk_env{'request.role'}) {	$userhashref->{'lti'} = $disk_env{'request.lti.login'};
$userhashref->{'role'} = $disk_env{'request.role'};	if ($userhashref->{'lti'}) {
	$userhashref->{'ltitarget'} = $disk_env{'request.lti.target'};
	$userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'};
}	}
}	}
untie(%disk_env);	untie(%disk_env);
Line 922 sub userload {	Line 971 sub userload {
# ------------------------------ Find server with least workload from spare.tab	# ------------------------------ Find server with least workload from spare.tab

sub spareserver {	sub spareserver {
my ($r,$loadpercent,$userloadpercent,$want_server_name,$udom) = @_;	my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
my $spare_server;	my $spare_server;
if ($userloadpercent !~ /\d/) { $userloadpercent=0; }	if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent	my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
Line 967 sub spareserver {	Line 1016 sub spareserver {
if ($protocol{$spare_server} eq 'https') {	if ($protocol{$spare_server} eq 'https') {
$protocol = $protocol{$spare_server};	$protocol = $protocol{$spare_server};
}	}
my $alias = &Apache::lonnet::use_proxy_alias($r,$spare_server);
$hostname = $alias if ($alias ne '');
$spare_server = $protocol.'://'.$hostname;	$spare_server = $protocol.'://'.$hostname;
}	}
}	}
Line 1035 sub find_existing_session {	Line 1082 sub find_existing_session {
return;	return;
}	}

	sub delusersession {
	my ($lonid,$udom,$uname) = @_;
	my $uprimary_id = &domain($udom,'primary');
	my $uintdom = &internet_dom($uprimary_id);
	my $intdom = &internet_dom($lonid);
	my $serverhomedom = &host_domain($lonid);
	if (($uintdom ne '') && ($uintdom eq $intdom)) {
	return &reply(join(':','delusersession',
	map {&escape($_)} ($udom,$uname)),$lonid);
	}
	return;
	}

# check if user's browser sent load balancer cookie and server still has session	# check if user's browser sent load balancer cookie and server still has session
# and is not overloaded.	# and is not overloaded.
sub check_for_balancer_cookie {	sub check_for_balancer_cookie {
Line 1090 sub check_for_balancer_cookie {	Line 1150 sub check_for_balancer_cookie {
return ($otherserver,$cookie);	return ($otherserver,$cookie);
}	}

sub updatebalcookie {
my ($cookie,$balancer,$lastentry)=@_;
if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
my ($udom,$uname) = ($1,$2);
my $uprimary_id = &domain($udom,'primary');
my $uintdom = &internet_dom($uprimary_id);
my $intdom = &internet_dom($balancer);
my $serverhomedom = &host_domain($balancer);
if (($uintdom ne '') && ($uintdom eq $intdom)) {
return &reply('updatebalcookie:'.&escape($cookie).':'.&escape($lastentry),$balancer);
}
}
return;
}

sub delbalcookie {	sub delbalcookie {
my ($cookie,$balancer) =@_;	my ($cookie,$balancer) =@_;
if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {	if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
Line 1114 sub delbalcookie {	Line 1159 sub delbalcookie {
my $intdom = &internet_dom($balancer);	my $intdom = &internet_dom($balancer);
my $serverhomedom = &host_domain($balancer);	my $serverhomedom = &host_domain($balancer);
if (($uintdom ne '') && ($uintdom eq $intdom)) {	if (($uintdom ne '') && ($uintdom eq $intdom)) {
return &reply('delbalcookie:'.&escape($cookie),$balancer);	return &reply("delbalcookie:$cookie",$balancer);
}	}
}	}
}	}
Line 1150 sub choose_server {	Line 1195 sub choose_server {
}	}
}	}
foreach my $lonhost (keys(%servers)) {	foreach my $lonhost (keys(%servers)) {
my $loginvia;
if ($skiploadbal) {	if ($skiploadbal) {
if (ref($balancers) eq 'HASH') {	if (ref($balancers) eq 'HASH') {
next if (exists($balancers->{$lonhost}));	next if (exists($balancers->{$lonhost}));
}	}
}	}
	my $loginvia;
if ($checkloginvia) {	if ($checkloginvia) {
$loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};	$loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
if ($loginvia) {	if ($loginvia) {
Line 1254 sub changepass {	Line 1299 sub changepass {
sub queryauthenticate {	sub queryauthenticate {
my ($uname,$udom)=@_;	my ($uname,$udom)=@_;
my $uhome=&homeserver($uname,$udom);	my $uhome=&homeserver($uname,$udom);
if ((!$uhome) \|\| ($uhome eq 'no_host')) {	if (!$uhome) {
&logthis("User $uname at $udom is unknown when looking for authentication mechanism");	&logthis("User $uname at $udom is unknown when looking for authentication mechanism");
return 'no_host';	return 'no_host';
}	}
Line 1303 sub authenticate {	Line 1348 sub authenticate {
}	}
if ($answer eq 'non_authorized') {	if ($answer eq 'non_authorized') {
&logthis("User $uname at $udom rejected by $uhome");	&logthis("User $uname at $udom rejected by $uhome");
return 'no_host';	return 'no_host';
}	}
&logthis("User $uname at $udom threw error $answer when checking authentication mechanism");	&logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
return 'no_host';	return 'no_host';
}	}

sub can_switchserver {
my ($udom,$home) = @_;
my ($canswitch,@intdoms);
my $internet_names = &get_internet_names($home);
if (ref($internet_names) eq 'ARRAY') {
@intdoms = @{$internet_names};
}
my $uint_dom = &internet_dom(&domain($udom,'primary'));
if ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
$canswitch = 1;
} else {
my $serverhomeID = &get_server_homeID(&hostname($home));
my $serverhomedom = &host_domain($serverhomeID);
my %defdomdefaults = &get_domain_defaults($serverhomedom);
my %udomdefaults = &get_domain_defaults($udom);
my $remoterev = &get_server_loncaparev('',$home);
$canswitch = &can_host_session($udom,$home,$remoterev,
$udomdefaults{'remotesessions'},
$defdomdefaults{'hostedsessions'});
}
return $canswitch;
}

sub can_host_session {	sub can_host_session {
my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;	my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;
my $canhost = 1;	my $canhost = 1;
Line 1406 sub spare_can_host {	Line 1428 sub spare_can_host {
$canhost = 0;	$canhost = 0;
}	}
}	}
if ($canhost) {
if (ref($defdomdefaults{'offloadoth'}) eq 'HASH') {
if ($defdomdefaults{'offloadoth'}{$try_server}) {
unless (&shared_institution($udom,$try_server)) {
$canhost = 0;
}
}
}
}
if (($canhost) && ($uint_dom)) {	if (($canhost) && ($uint_dom)) {
my @intdoms;	my @intdoms;
my $internet_names = &get_internet_names($try_server);	my $internet_names = &get_internet_names($try_server);
Line 1513 sub get_lonbalancer_config {	Line 1526 sub get_lonbalancer_config {
sub check_loadbalancing {	sub check_loadbalancing {
my ($uname,$udom,$caller) = @_;	my ($uname,$udom,$caller) = @_;
my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,	my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
$rule_in_effect,$offloadto,$otherserver,$setcookie);	$rule_in_effect,$offloadto,$otherserver,$setcookie,$dom_balancers);
my $lonhost = $perlvar{'lonHostID'};	my $lonhost = $perlvar{'lonHostID'};
my @hosts = &current_machine_ids();	my @hosts = &current_machine_ids();
my $uprimary_id = &Apache::lonnet::domain($udom,'primary');	my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);	my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);
my $intdom = &Apache::lonnet::internet_dom($lonhost);	my $intdom = &Apache::lonnet::internet_dom($lonhost);
my $serverhomedom = &host_domain($lonhost);	my $serverhomedom = &host_domain($lonhost);
my $domneedscache;	my $domneedscache;
my $cachetime = 606024;	my $cachetime = 606024;

if (($uintdom ne '') && ($uintdom eq $intdom)) {	if (($uintdom ne '') && ($uintdom eq $intdom)) {
Line 1540 sub check_loadbalancing {	Line 1553 sub check_loadbalancing {
}	}
}	}
if (ref($result) eq 'HASH') {	if (ref($result) eq 'HASH') {
($is_balancer,$currtargets,$currrules,$setcookie) =	($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
&check_balancer_result($result,@hosts);	&check_balancer_result($result,@hosts);
if ($is_balancer) {	if ($is_balancer) {
if (ref($currrules) eq 'HASH') {	if (ref($currrules) eq 'HASH') {
Line 1601 sub check_loadbalancing {	Line 1614 sub check_loadbalancing {
}	}
}	}
if (ref($result) eq 'HASH') {	if (ref($result) eq 'HASH') {
($is_balancer,$currtargets,$currrules,$setcookie) =	($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
&check_balancer_result($result,@hosts);	&check_balancer_result($result,@hosts);
if ($is_balancer) {	if ($is_balancer) {
if (ref($currrules) eq 'HASH') {	if (ref($currrules) eq 'HASH') {
Line 1677 sub check_loadbalancing {	Line 1690 sub check_loadbalancing {
if (($is_balancer) && (!$homeintdom)) {	if (($is_balancer) && (!$homeintdom)) {
undef($setcookie);	undef($setcookie);
}	}
return ($is_balancer,$otherserver,$setcookie);	return ($is_balancer,$otherserver,$setcookie,$offloadto,$dom_balancers);
}	}

sub check_balancer_result {	sub check_balancer_result {
my ($result,@hosts) = @_;	my ($result,@hosts) = @_;
my ($is_balancer,$currtargets,$currrules,$setcookie);	my ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
if (ref($result) eq 'HASH') {	if (ref($result) eq 'HASH') {
if ($result->{'lonhost'} ne '') {	if ($result->{'lonhost'} ne '') {
my $currbalancer = $result->{'lonhost'};	my $currbalancer = $result->{'lonhost'};
Line 1691 sub check_balancer_result {	Line 1704 sub check_balancer_result {
$currtargets = $result->{'targets'};	$currtargets = $result->{'targets'};
$currrules = $result->{'rules'};	$currrules = $result->{'rules'};
}	}
	$dom_balancers = $currbalancer;
} else {	} else {
foreach my $key (keys(%{$result})) {	if (keys(%{$result})) {
if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&	foreach my $key (keys(%{$result})) {
(ref($result->{$key}) eq 'HASH')) {	if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
$is_balancer = 1;	(ref($result->{$key}) eq 'HASH')) {
$currrules = $result->{$key}{'rules'};	$is_balancer = 1;
$currtargets = $result->{$key}{'targets'};	$currrules = $result->{$key}{'rules'};
$setcookie = $result->{$key}{'cookie'};	$currtargets = $result->{$key}{'targets'};
last;	$setcookie = $result->{$key}{'cookie'};
	last;
	}
}	}
	$dom_balancers = join(',',sort(keys(%{$result})));
}	}
}	}
}	}
return ($is_balancer,$currtargets,$currrules,$setcookie);	return ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
}	}

sub get_loadbalancer_targets {	sub get_loadbalancer_targets {
Line 1776 sub internet_dom_servers {	Line 1793 sub internet_dom_servers {
return %uniqservers;	return %uniqservers;
}	}

	sub trusted_domains {
	my ($cmdtype,$calldom) = @_;
	my ($trusted,$untrusted);
	if (&domain($calldom) eq '') {
	return ($trusted,$untrusted);
	}
	unless ($cmdtype =~ /^(content\|shared\|enroll\|coaurem\|othcoau\|domroles\|catalog\|reqcrs\|msg)$/) {
	return ($trusted,$untrusted);
	}
	my $callprimary = &domain($calldom,'primary');
	my $intcalldom = &Apache::lonnet::internet_dom($callprimary);
	if ($intcalldom eq '') {
	return ($trusted,$untrusted);
	}

	my ($trustconfig,$cached)=&Apache::lonnet::is_cached_new('trust',$calldom);
	unless (defined($cached)) {
	my %domconfig = &Apache::lonnet::get_dom('configuration',['trust'],$calldom);
	&Apache::lonnet::do_cache_new('trust',$calldom,$domconfig{'trust'},3600);
	$trustconfig = $domconfig{'trust'};
	}
	if (ref($trustconfig)) {
	my (%possexc,%possinc,@allexc,@allinc);
	if (ref($trustconfig->{$cmdtype}) eq 'HASH') {
	if (ref($trustconfig->{$cmdtype}->{'exc'}) eq 'ARRAY') {
	map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}};
	}
	if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') {
	$possinc{$intcalldom} = 1;
	map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}};
	}
	}
	if (keys(%possexc)) {
	if (keys(%possinc)) {
	foreach my $key (sort(keys(%possexc))) {
	next if ($key eq $intcalldom);
	unless ($possinc{$key}) {
	push(@allexc,$key);
	}
	}
	} else {
	@allexc = sort(keys(%possexc));
	}
	}
	if (keys(%possinc)) {
	$possinc{$intcalldom} = 1;
	@allinc = sort(keys(%possinc));
	}
	if ((@allexc > 0) \|\| (@allinc > 0)) {
	my %doms_by_intdom;
	my %allintdoms = &all_host_intdom();
	my %alldoms = &all_host_domain();
	foreach my $key (%allintdoms) {
	if (ref($doms_by_intdom{$allintdoms{$key}}) eq 'ARRAY') {
	unless (grep(/^\Q$alldoms{$key}\E$/,@{$doms_by_intdom{$allintdoms{$key}}})) {
	push(@{$doms_by_intdom{$allintdoms{$key}}},$alldoms{$key});
	}
	} else {
	$doms_by_intdom{$allintdoms{$key}} = [$alldoms{$key}];
	}
	}
	foreach my $exc (@allexc) {
	if (ref($doms_by_intdom{$exc}) eq 'ARRAY') {
	push(@{$untrusted},@{$doms_by_intdom{$exc}});
	}
	}
	foreach my $inc (@allinc) {
	if (ref($doms_by_intdom{$inc}) eq 'ARRAY') {
	push(@{$trusted},@{$doms_by_intdom{$inc}});
	}
	}
	}
	}
	return ($trusted,$untrusted);
	}

	sub will_trust {
	my ($cmdtype,$domain,$possdom) = @_;
	return 1 if ($domain eq $possdom);
	my ($trustedref,$untrustedref) = &trusted_domains($cmdtype,$possdom);
	my $willtrust;
	if ((ref($trustedref) eq 'ARRAY') && (@{$trustedref} > 0)) {
	if (grep(/^\Q$domain\E$/,@{$trustedref})) {
	$willtrust = 1;
	}
	} elsif ((ref($untrustedref) eq 'ARRAY') && (@{$untrustedref} > 0)) {
	unless (grep(/^\Q$domain\E$/,@{$untrustedref})) {
	$willtrust = 1;
	}
	} else {
	$willtrust = 1;
	}
	return $willtrust;
	}

# ---------------------- Find the homebase for a user from domain's lib servers	# ---------------------- Find the homebase for a user from domain's lib servers

my %homecache;	my %homecache;
Line 1801 sub homeserver {	Line 1913 sub homeserver {
return 'no_host';	return 'no_host';
}	}

# ------------------------------------- Find the usernames behind a list of IDs	# ----- Find the usernames behind a list of student/employee IDs or clicker IDs

sub idget {	sub idget {
my ($udom,@ids)=@_;	my ($udom,$idsref,$namespace)=@_;
my %returnhash=();	my %returnhash=();
	my @ids=();
	if (ref($idsref) eq 'ARRAY') {
	@ids = @{$idsref};
	} else {
	return %returnhash;
	}
	if ($namespace eq '') {
	$namespace = 'ids';
	}

my %servers = &get_servers($udom,'library');	my %servers = &get_servers($udom,'library');
foreach my $tryserver (keys(%servers)) {	foreach my $tryserver (keys(%servers)) {
my $idlist=join('&', map { &escape($_); } @ids);	my $idlist=join('&', map { &escape($_); } @ids);
$idlist=~tr/A-Z/a-z/;	if ($namespace eq 'ids') {
my $reply=&reply("idget:$udom:".$idlist,$tryserver);	$idlist=~tr/A-Z/a-z/;
	}
	my $reply;
	if ($namespace eq 'ids') {
	$reply=&reply("idget:$udom:".$idlist,$tryserver);
	} else {
	$reply=&reply("getdom:$udom:$namespace:$idlist",$tryserver);
	}
my @answer=();	my @answer=();
if (($reply ne 'con_lost') && ($reply!~/^error\:/)) {	if (($reply ne 'con_lost') && ($reply!~/^error\:/)) {
@answer=split(/\&/,$reply);	@answer=split(/\&/,$reply);
Line 1820 sub idget {	Line 1948 sub idget {
for ($i=0;$i<=$#ids;$i++) {	for ($i=0;$i<=$#ids;$i++) {
if ($answer[$i]) {	if ($answer[$i]) {
$returnhash{$ids[$i]}=&unescape($answer[$i]);	$returnhash{$ids[$i]}=&unescape($answer[$i]);
}	}
}	}
}	}
return %returnhash;	return %returnhash;
}	}

Line 1837 sub idrget {	Line 1965 sub idrget {
return %returnhash;	return %returnhash;
}	}

# ------------------------------- Store away a list of names and associated IDs	# Store away a list of names and associated student/employee IDs or clicker IDs

sub idput {	sub idput {
my ($udom,%ids)=@_;	my ($udom,$idsref,$uhom,$namespace)=@_;
my %servers=();	my %servers=();
	my %ids=();
	my %byid = ();
	if (ref($idsref) eq 'HASH') {
	%ids=%{$idsref};
	}
	if ($namespace eq '') {
	$namespace = 'ids';
	}
foreach my $uname (keys(%ids)) {	foreach my $uname (keys(%ids)) {
&cput('environment',{'id'=>$ids{$uname}},$udom,$uname);	&cput('environment',{'id'=>$ids{$uname}},$udom,$uname);
my $uhom=&homeserver($uname,$udom);	if ($uhom eq '') {
	$uhom=&homeserver($uname,$udom);
	}
if ($uhom ne 'no_host') {	if ($uhom ne 'no_host') {
my $id=&escape($ids{$uname});
$id=~tr/A-Z/a-z/;
my $esc_unam=&escape($uname);	my $esc_unam=&escape($uname);
if ($servers{$uhom}) {	if ($namespace eq 'ids') {
$servers{$uhom}.='&'.$id.'='.$esc_unam;	my $id=&escape($ids{$uname});
	$id=~tr/A-Z/a-z/;
	my $esc_unam=&escape($uname);
	$servers{$uhom}.=$id.'='.$esc_unam.'&';
} else {	} else {
$servers{$uhom}=$id.'='.$esc_unam;	my @currids = split(/,/,$ids{$uname});
	foreach my $id (@currids) {
	$byid{$uhom}{$id} .= $uname.',';
	}
	}
	}
	}
	if ($namespace eq 'clickers') {
	foreach my $server (keys(%byid)) {
	if (ref($byid{$server}) eq 'HASH') {
	foreach my $id (keys(%{$byid{$server}})) {
	$byid{$server} =~ s/,$//;
	$servers{$uhom}.=&escape($id).'='.&escape($byid{$server}).'&';
	}
}	}
}	}
}	}
foreach my $server (keys(%servers)) {	foreach my $server (keys(%servers)) {
&critical('idput:'.$udom.':'.$servers{$server},$server);	$servers{$server} =~ s/\&$//;
	if ($namespace eq 'ids') {
	&critical('idput:'.$udom.':'.$servers{$server},$server);
	} else {
	&critical('updateclickers:'.$udom.':add:'.$servers{$server},$server);
	}
}	}
}	}

# ---------------------------------------- Delete unwanted IDs from ids.db file	# ------------- Delete unwanted student/employee IDs or clicker IDs from domain

sub iddel {	sub iddel {
my ($udom,$idshashref,$uhome)=@_;	my ($udom,$idshashref,$uhome,$namespace)=@_;
my %result=();	my %result=();
unless (ref($idshashref) eq 'HASH') {	my %ids=();
	my %byid = ();
	if (ref($idshashref) eq 'HASH') {
	%ids=%{$idshashref};
	} else {
return %result;	return %result;
}	}
	if ($namespace eq '') {
	$namespace = 'ids';
	}
my %servers=();	my %servers=();
while (my ($id,$uname) = each(%{$idshashref})) {	while (my ($id,$unamestr) = each(%ids)) {
my $uhom;	if ($namespace eq 'ids') {
if ($uhome) {	my $uhom = $uhome;
$uhom = $uhome;	if ($uhom eq '') {
} else {	$uhom=&homeserver($unamestr,$udom);
$uhom=&homeserver($uname,$udom);	}
}	if ($uhom ne 'no_host') {
if ($uhom ne 'no_host') {
if ($servers{$uhom}) {
$servers{$uhom}.='&'.&escape($id);	$servers{$uhom}.='&'.&escape($id);
} else {	}
$servers{$uhom}=&escape($id);	} else {
	my @curritems = split(/,/,$ids{$id});
	foreach my $uname (@curritems) {
	my $uhom = $uhome;
	if ($uhom eq '') {
	$uhom=&homeserver($uname,$udom);
	}
	if ($uhom ne 'no_host') {
	$byid{$uhom}{$id} .= $uname.',';
	}
	}
	}
	}
	if ($namespace eq 'clickers') {
	foreach my $server (keys(%byid)) {
	if (ref($byid{$server}) eq 'HASH') {
	foreach my $id (keys(%{$byid{$server}})) {
	$byid{$server}{$id} =~ s/,$//;
	$servers{$server}.=&escape($id).'='.&escape($byid{$server}{$id}).'&';
	}
}	}
}	}
}	}
foreach my $server (keys(%servers)) {	foreach my $server (keys(%servers)) {
$result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome);	$servers{$server} =~ s/\&$//;
	if ($namespace eq 'ids') {
	$result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome);
	} elsif ($namespace eq 'clickers') {
	$result{$server} = &critical('updateclickers:'.$udom.':del:'.$servers{$server},$server);
	}
}	}
return %result;	return %result;
}	}

	# ----- Update clicker ID-to-username look-ups in clickers.db on library server

	sub updateclickers {
	my ($udom,$action,$idshashref,$uhome,$critical) = @_;
	my %clickers;
	if (ref($idshashref) eq 'HASH') {
	%clickers=%{$idshashref};
	} else {
	return;
	}
	my $items='';
	foreach my $item (keys(%clickers)) {
	$items.=&escape($item).'='.&escape($clickers{$item}).'&';
	}
	$items=~s/\&$//;
	my $request = "updateclickers:$udom:$action:$items";
	if ($critical) {
	return &critical($request,$uhome);
	} else {
	return &reply($request,$uhome);
	}
	}

# ------------------------------dump from db file owned by domainconfig user	# ------------------------------dump from db file owned by domainconfig user
sub dump_dom {	sub dump_dom {
my ($namespace, $udom, $regexp) = @_;	my ($namespace, $udom, $regexp) = @_;
Line 1905 sub dump_dom {	Line 2114 sub dump_dom {
# ------------------------------------------ get items from domain db files	# ------------------------------------------ get items from domain db files

sub get_dom {	sub get_dom {
my ($namespace,$storearr,$udom,$uhome,$encrypt)=@_;	my ($namespace,$storearr,$udom,$uhome)=@_;
return if ($udom eq 'public');	return if ($udom eq 'public');
my $items='';	my $items='';
foreach my $item (@$storearr) {	foreach my $item (@$storearr) {
Line 1929 sub get_dom {	Line 2138 sub get_dom {
}	}
if ($udom && $uhome && ($uhome ne 'no_host')) {	if ($udom && $uhome && ($uhome ne 'no_host')) {
my $rep;	my $rep;
if (grep { $_ eq $uhome } &current_machine_ids()) {	if ($namespace =~ /^enc/) {
# domain information is hosted on this machine	$rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
$rep = &LONCAPA::Lond::get_dom("getdom:$udom:$namespace:$items");
} else {	} else {
if ($encrypt) {	$rep=&reply("getdom:$udom:$namespace:$items",$uhome);
$rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
} else {
$rep=&reply("getdom:$udom:$namespace:$items",$uhome);
}
}	}
my %returnhash;	my %returnhash;
if ($rep eq '' \|\| $rep =~ /^error: 2 /) {	if ($rep eq '' \|\| $rep =~ /^error: 2 /) {
Line 1961 sub get_dom {	Line 2165 sub get_dom {
# -------------------------------------------- put items in domain db files	# -------------------------------------------- put items in domain db files

sub put_dom {	sub put_dom {
my ($namespace,$storehash,$udom,$uhome,$encrypt)=@_;	my ($namespace,$storehash,$udom,$uhome)=@_;
if (!$udom) {	if (!$udom) {
$udom=$env{'user.domain'};	$udom=$env{'user.domain'};
if (defined(&domain($udom,'primary'))) {	if (defined(&domain($udom,'primary'))) {
Line 1982 sub put_dom {	Line 2186 sub put_dom {
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';	$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
}	}
$items=~s/\&$//;	$items=~s/\&$//;
if ($encrypt) {	if ($namespace =~ /^enc/) {
return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);	return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);
} else {	} else {
return &reply("putdom:$udom:$namespace:$items",$uhome);	return &reply("putdom:$udom:$namespace:$items",$uhome);
Line 2020 sub del_dom {	Line 2224 sub del_dom {
}	}
}	}

sub store_dom {
my ($storehash,$id,$namespace,$dom,$home,$encrypt) = @_;
$$storehash{'ip'}=&get_requestor_ip();
$$storehash{'host'}=$perlvar{'lonHostID'};
my $namevalue='';
foreach my $key (keys(%{$storehash})) {
$namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
}
$namevalue=~s/\&$//;
if (grep { $_ eq $home } current_machine_ids()) {
return LONCAPA::Lond::store_dom("storedom:$dom:$namespace:$id:$namevalue");
} else {
if ($namespace eq 'private') {
return 'refused';
} elsif ($encrypt) {
return reply("encrypt:storedom:$dom:$namespace:$id:$namevalue",$home);
} else {
return reply("storedom:$dom:$namespace:$id:$namevalue",$home);
}
}
}

sub restore_dom {
my ($id,$namespace,$dom,$home,$encrypt) = @_;
my $answer;
if (grep { $_ eq $home } current_machine_ids()) {
$answer = LONCAPA::Lond::restore_dom("restoredom:$dom:$namespace:$id");
} elsif ($namespace ne 'private') {
if ($encrypt) {
$answer=&reply("encrypt:restoredom:$dom:$namespace:$id",$home);
} else {
$answer=&reply("restoredom:$dom:$namespace:$id",$home);
}
}
my %returnhash=();
unless (($answer eq '') \|\| ($answer eq 'con_lost') \|\| ($answer eq 'refused') \|\|
($answer eq 'unknown_cmd') \|\| ($answer eq 'rejected')) {
foreach my $line (split(/\&/,$answer)) {
my ($name,$value)=split(/\=/,$line);
$returnhash{&unescape($name)}=&thaw_unescape($value);
}
my $version;
for ($version=1;$version<=$returnhash{'version'};$version++) {
foreach my $item (split(/\:/,$returnhash{$version.':keys'})) {
$returnhash{$item}=$returnhash{$version.':'.$item};
}
}
}
return %returnhash;
}

# ----------------------------------construct domainconfig user for a domain	# ----------------------------------construct domainconfig user for a domain
sub get_domainconfiguser {	sub get_domainconfiguser {
my ($udom) = @_;	my ($udom) = @_;
Line 2113 sub retrieve_inst_usertypes {	Line 2266 sub retrieve_inst_usertypes {

sub is_domainimage {	sub is_domainimage {
my ($url) = @_;	my ($url) = @_;
if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img\|logo\|domlogo\|login)/+[^/]-) {	if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img\|logo\|domlogo)/+[^/]-) {
if (&domain($1) ne '') {	if (&domain($1) ne '') {
return '1';	return '1';
}	}
Line 2131 sub inst_directory_query {	Line 2284 sub inst_directory_query {
unless ($homeserver eq $perlvar{'lonHostID'}) {	unless ($homeserver eq $perlvar{'lonHostID'}) {
if ($srch->{'srchby'} eq 'email') {	if ($srch->{'srchby'} eq 'email') {
my $lcrev = &get_server_loncaparev($udom,$homeserver);	my $lcrev = &get_server_loncaparev($udom,$homeserver);
my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);	my ($major,$minor) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
if (($major eq '' && $minor eq '') \|\| ($major < 2) \|\|	if (($major eq '' && $minor eq '') \|\| ($major < 2) \|\|
(($major == 2) && ($minor < 11)) \|\|	(($major == 2) && ($minor < 12))) {
(($major == 2) && ($minor == 11) && ($subver < 3))) {
return;	return;
}	}
}	}
Line 2183 sub usersearch {	Line 2335 sub usersearch {
unless ($tryserver eq $perlvar{'lonHostID'}) {	unless ($tryserver eq $perlvar{'lonHostID'}) {
if ($srch->{'srchby'} eq 'email') {	if ($srch->{'srchby'} eq 'email') {
my $lcrev = &get_server_loncaparev($dom,$tryserver);	my $lcrev = &get_server_loncaparev($dom,$tryserver);
my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);	my ($major,$minor) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
next if (($major eq '' && $minor eq '') \|\| ($major < 2) \|\|	next if (($major eq '' && $minor eq '') \|\| ($major < 2) \|\|
(($major == 2) && ($minor < 11)) \|\|	(($major == 2) && ($minor < 12)));
(($major == 2) && ($minor == 11) && ($subver < 3)));
}	}
}	}
my $host=&hostname($tryserver);	my $host=&hostname($tryserver);
Line 2278 sub get_multiple_instusers {	Line 2429 sub get_multiple_instusers {
my ($udom,$users,$caller) = @_;	my ($udom,$users,$caller) = @_;
my ($outcome,$results);	my ($outcome,$results);
if (ref($users) eq 'HASH') {	if (ref($users) eq 'HASH') {
my $count = keys(%{$users});	my $count = keys(%{$users});
my $requested = &freeze_escape($users);	my $requested = &freeze_escape($users);
my $homeserver = &domain($udom,'primary');	my $homeserver = &domain($udom,'primary');
if ($homeserver ne '') {	if ($homeserver ne '') {
Line 2322 sub get_multiple_instusers {	Line 2473 sub get_multiple_instusers {
} else {	} else {
($outcome,my $userdata) = split(/=/,$response,2);	($outcome,my $userdata) = split(/=/,$response,2);
if ($outcome eq 'ok') {	if ($outcome eq 'ok') {
$results = &thaw_unescape($userdata);	$results = &thaw_unescape($userdata);
}	}
}	}
}	}
Line 2349 sub inst_rulecheck {	Line 2500 sub inst_rulecheck {
$response=&unescape(&reply('instidrulecheck:'.&escape($udom).	$response=&unescape(&reply('instidrulecheck:'.&escape($udom).
':'.&escape($id).':'.$rulestr,	':'.&escape($id).':'.$rulestr,
$homeserver));	$homeserver));
} elsif ($item eq 'unamemap') {
$response=&unescape(&reply('instunamemapcheck:'.
&escape($udom).':'.&escape($uname).
':'.$rulestr,$homeserver));
} elsif ($item eq 'selfcreate') {	} elsif ($item eq 'selfcreate') {
$response=&unescape(&reply('instselfcreatecheck:'.	$response=&unescape(&reply('instselfcreatecheck:'.
&escape($udom).':'.&escape($uname).	&escape($udom).':'.&escape($uname).
Line 2386 sub inst_userrules {	Line 2533 sub inst_userrules {
} elsif ($check eq 'email') {	} elsif ($check eq 'email') {
$response=&reply('instemailrules:'.&escape($udom),	$response=&reply('instemailrules:'.&escape($udom),
$homeserver);	$homeserver);
} elsif ($check eq 'unamemap') {
$response=&reply('unamemaprules:'.&escape($udom),
$homeserver);
} else {	} else {
$response=&reply('instuserrules:'.&escape($udom),	$response=&reply('instuserrules:'.&escape($udom),
$homeserver);	$homeserver);
Line 2434 sub get_domain_defaults {	Line 2578 sub get_domain_defaults {
'requestcourses','inststatus',	'requestcourses','inststatus',
'coursedefaults','usersessions',	'coursedefaults','usersessions',
'requestauthor','selfenrollment',	'requestauthor','selfenrollment',
'coursecategories','autoenroll',	'coursecategories','ssl','autoenroll',
'helpsettings','wafproxy','ltisec'],$domain);	'trust','helpsettings'],$domain);
my @coursetypes = ('official','unofficial','community','textbook');	my @coursetypes = ('official','unofficial','community','textbook','placement');
if (ref($domconfig{'defaults'}) eq 'HASH') {	if (ref($domconfig{'defaults'}) eq 'HASH') {
$domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};	$domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
$domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};	$domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
Line 2447 sub get_domain_defaults {	Line 2591 sub get_domain_defaults {
$domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'};	$domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'};
$domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'};	$domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'};
$domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'};	$domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'};
$domdefaults{'unamemap_rule'} = $domconfig{'defaults'}{'unamemap_rule'};
} else {	} else {
$domdefaults{'lang_def'} = &domain($domain,'lang_def');	$domdefaults{'lang_def'} = &domain($domain,'lang_def');
$domdefaults{'auth_def'} = &domain($domain,'auth_def');	$domdefaults{'auth_def'} = &domain($domain,'auth_def');
Line 2470 sub get_domain_defaults {	Line 2613 sub get_domain_defaults {
}	}
}	}
if (ref($domconfig{'requestcourses'}) eq 'HASH') {	if (ref($domconfig{'requestcourses'}) eq 'HASH') {
foreach my $item ('official','unofficial','community','textbook') {	foreach my $item ('official','unofficial','community','textbook','placement') {
$domdefaults{$item} = $domconfig{'requestcourses'}{$item};	$domdefaults{$item} = $domconfig{'requestcourses'}{$item};
}	}
}	}
Line 2483 sub get_domain_defaults {	Line 2626 sub get_domain_defaults {
}	}
}	}
if (ref($domconfig{'coursedefaults'}) eq 'HASH') {	if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
	$domdefaults{'canuse_pdfforms'} = $domconfig{'coursedefaults'}{'canuse_pdfforms'};
$domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};	$domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};
$domdefaults{'inline_chem'} = $domconfig{'coursedefaults'}{'inline_chem'};
$domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};	$domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};
if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {	if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
$domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};	$domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};
Line 2500 sub get_domain_defaults {	Line 2643 sub get_domain_defaults {
}	}
if ($domdefaults{'postsubmit'} eq 'on') {	if ($domdefaults{'postsubmit'} eq 'on') {
if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {	if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
$domdefaults{$type.'postsubtimeout'} =	$domdefaults{$type.'postsubtimeout'} =
$domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};	$domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};
}	}
}	}
}	}
Line 2517 sub get_domain_defaults {	Line 2660 sub get_domain_defaults {
}	}
if ($domconfig{'coursedefaults'}{'texengine'}) {	if ($domconfig{'coursedefaults'}{'texengine'}) {
$domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};	$domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};
}	}
if (exists($domconfig{'coursedefaults'}{'ltiauth'})) {
$domdefaults{'crsltiauth'} = $domconfig{'coursedefaults'}{'ltiauth'};
}
}	}
if (ref($domconfig{'usersessions'}) eq 'HASH') {	if (ref($domconfig{'usersessions'}) eq 'HASH') {
if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {	if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {
Line 2532 sub get_domain_defaults {	Line 2672 sub get_domain_defaults {
if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {	if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
$domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};	$domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
}	}
if (ref($domconfig{'usersessions'}{'offloadoth'}) eq 'HASH') {
$domdefaults{'offloadoth'} = $domconfig{'usersessions'}{'offloadoth'};
}
}	}
if (ref($domconfig{'selfenrollment'}) eq 'HASH') {	if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {	if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
Line 2574 sub get_domain_defaults {	Line 2711 sub get_domain_defaults {
$domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};	$domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
}	}
}	}
	if (ref($domconfig{'ssl'}) eq 'HASH') {
	if (ref($domconfig{'ssl'}{'replication'}) eq 'HASH') {
	$domdefaults{'replication'} = $domconfig{'ssl'}{'replication'};
	}
	if (ref($domconfig{'ssl'}{'connto'}) eq 'HASH') {
	$domdefaults{'connect'} = $domconfig{'ssl'}{'connto'};
	}
	if (ref($domconfig{'ssl'}{'connfrom'}) eq 'HASH') {
	$domdefaults{'connect'} = $domconfig{'ssl'}{'connfrom'};
	}
	}
	if (ref($domconfig{'trust'}) eq 'HASH') {
	my @prefixes = qw(content shared enroll othcoau coaurem domroles catalog reqcrs msg);
	foreach my $prefix (@prefixes) {
	if (ref($domconfig{'trust'}{$prefix}) eq 'HASH') {
	$domdefaults{'trust'.$prefix} = $domconfig{'trust'}{$prefix};
	}
	}
	}
if (ref($domconfig{'autoenroll'}) eq 'HASH') {	if (ref($domconfig{'autoenroll'}) eq 'HASH') {
$domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};	$domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};
$domdefaults{'failsafe'} = $domconfig{'autoenroll'}{'failsafe'};
}	}
if (ref($domconfig{'helpsettings'}) eq 'HASH') {	if (ref($domconfig{'helpsettings'}) eq 'HASH') {
$domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'};	$domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'};
Line 2584 sub get_domain_defaults {	Line 2739 sub get_domain_defaults {
$domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};	$domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};
}	}
}	}
if (ref($domconfig{'wafproxy'}) eq 'HASH') {
foreach my $item ('ipheader','trusted','vpnint','vpnext','sslopt') {
if ($domconfig{'wafproxy'}{$item}) {
$domdefaults{'waf_'.$item} = $domconfig{'wafproxy'}{$item};
}
}
}
if (ref($domconfig{'ltisec'}) eq 'HASH') {
if (ref($domconfig{'ltisec'}{'encrypt'}) eq 'HASH') {
$domdefaults{'linkprotenc_crs'} = $domconfig{'ltisec'}{'encrypt'}{'crs'};
$domdefaults{'linkprotenc_dom'} = $domconfig{'ltisec'}{'encrypt'}{'dom'};
$domdefaults{'ltienc_consumers'} = $domconfig{'ltisec'}{'encrypt'}{'consumers'};
}
if (ref($domconfig{'ltisec'}{'private'}) eq 'HASH') {
if (ref($domconfig{'ltisec'}{'private'}{'keys'}) eq 'ARRAY') {
$domdefaults{'privhosts'} = $domconfig{'ltisec'}{'private'}{'keys'};
}
}
}
&do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);	&do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
return %domdefaults;	return %domdefaults;
}	}
Line 2666 sub retrieve_instcodes {	Line 2802 sub retrieve_instcodes {
return $totcodes;	return $totcodes;
}	}

	sub course_portal_url {
	my ($cnum,$cdom) = @_;
	my $chome = &homeserver($cnum,$cdom);
	my $hostname = &hostname($chome);
	my $protocol = $protocol{$chome};
	$protocol = 'http' if ($protocol ne 'https');
	my %domdefaults = &get_domain_defaults($cdom);
	my $firsturl;
	if ($domdefaults{'portal_def'}) {
	$firsturl = $domdefaults{'portal_def'};
	} else {
	$firsturl = $protocol.'://'.$hostname;
	}
	return $firsturl;
	}

# --------------------------------------------- Get domain config for passwords	# --------------------------------------------- Get domain config for passwords

sub get_passwdconf {	sub get_passwdconf {
Line 2689 sub get_passwdconf {	Line 2841 sub get_passwdconf {
return %passwdconf;	return %passwdconf;
}	}

sub course_portal_url {
my ($cnum,$cdom,$r) = @_;
my $chome = &homeserver($cnum,$cdom);
my $hostname = &hostname($chome);
my $protocol = $protocol{$chome};
$protocol = 'http' if ($protocol ne 'https');
my %domdefaults = &get_domain_defaults($cdom);
my $firsturl;
if ($domdefaults{'portal_def'}) {
$firsturl = $domdefaults{'portal_def'};
} else {
my $alias = &Apache::lonnet::use_proxy_alias($r,$chome);
$hostname = $alias if ($alias ne '');
$firsturl = $protocol.'://'.$hostname;
}
return $firsturl;
}

# --------------------------------------------------- Assign a key to a student	# --------------------------------------------------- Assign a key to a student

sub assign_access_key {	sub assign_access_key {
Line 2952 sub devalidate_cache_new {	Line 3086 sub devalidate_cache_new {

sub is_cached_new {	sub is_cached_new {
my ($name,$id,$debug) = @_;	my ($name,$id,$debug) = @_;
my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) for	my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) whenever possible
# keys in %remembered hash, which persists for
# duration of request (no restriction on key length).
if (exists($remembered{$remembered_id})) {	if (exists($remembered{$remembered_id})) {
if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); }	if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); }
$accessed{$remembered_id}=[&gettimeofday()];	$accessed{$remembered_id}=[&gettimeofday()];
Line 3216 sub repcopy {	Line 3348 sub repcopy {
mkdir($path,0777);	mkdir($path,0777);
}	}
}	}
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request('GET',"$remoteurl");	my $request=new HTTP::Request('GET',"$remoteurl");
my $response=$ua->request($request,$transname);	my $response;
	if ($remoteurl =~ m{/raw/}) {
	$response=&LONCAPA::LWPReq::makerequest($home,$request,$transname,\%perlvar,'',0,1);
	} else {
	$response=&LONCAPA::LWPReq::makerequest($home,$request,$transname,\%perlvar,'',1);
	}
if ($response->is_error()) {	if ($response->is_error()) {
unlink($transname);	unlink($transname);
my $message=$response->status_line;	my $message=$response->status_line;
Line 3228 sub repcopy {	Line 3364 sub repcopy {
} else {	} else {
if ($remoteurl!~/\.meta$/) {	if ($remoteurl!~/\.meta$/) {
my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');	my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
my $mresponse=$ua->request($mrequest,$filename.'.meta');	my $mresponse;
	if ($remoteurl =~ m{/raw/}) {
	$mresponse = &LONCAPA::LWPReq::makerequest($home,$mrequest,$filename.'.meta',\%perlvar,'',0,1);
	} else {
	$mresponse = &LONCAPA::LWPReq::makerequest($home,$mrequest,$filename.'.meta',\%perlvar,'',1);
	}
if ($mresponse->is_error()) {	if ($mresponse->is_error()) {
unlink($filename.'.meta');	unlink($filename.'.meta');
&logthis(	&logthis(
Line 3258 sub unsubscribe {	Line 3399 sub unsubscribe {
} elsif (grep { $_ eq $home } &current_machine_ids()) {	} elsif (grep { $_ eq $home } &current_machine_ids()) {
$answer = 'home';	$answer = 'home';
} else {	} else {
$answer = reply("unsub:$fname",$home);	my $defdom = $perlvar{'lonDefDomain'};
	if (&will_trust('content',$defdom,$udom)) {
	$answer = reply("unsub:$fname",$home);
	} else {
	$answer = 'untrusted';
	}
}	}
return $answer;	return $answer;
}	}
Line 3291 sub ssi_body {	Line 3437 sub ssi_body {
# --------------------------------------------------------- Server Side Include	# --------------------------------------------------------- Server Side Include

sub absolute_url {	sub absolute_url {
my ($host_name,$unalias,$keep_proto) = @_;	my ($host_name) = @_;
my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');	my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
if ($host_name eq '') {	if ($host_name eq '') {
$host_name = $ENV{'SERVER_NAME'};	$host_name = $ENV{'SERVER_NAME'};
}	}
if ($unalias) {
my $alias = &get_proxy_alias();
if ($alias eq $host_name) {
my $lonhost = $perlvar{'lonHostID'};
my $hostname = &hostname($lonhost);
my $lcproto;
if (($keep_proto) \|\| ($hostname eq '')) {
$lcproto = $protocol;
} else {
$lcproto = $protocol{$lonhost};
$lcproto = 'http' if ($lcproto ne 'https');
$lcproto .= '://';
}
unless ($hostname eq '') {
return $lcproto.$hostname;
}
}
}
return $protocol.$host_name;	return $protocol.$host_name;
}	}

Line 3330 sub absolute_url {	Line 3458 sub absolute_url {
sub ssi {	sub ssi {

my ($fn,%form)=@_;	my ($fn,%form)=@_;
my ($host,$request,$response);	my $request;
$host = &absolute_url('',1);

$form{'no_update_last_known'}=1;	$form{'no_update_last_known'}=1;
&Apache::lonenc::check_encrypt(\$fn);	&Apache::lonenc::check_encrypt(\$fn);
if (%form) {	if (%form) {
$request=new HTTP::Request('POST',$host.$fn);	$request=new HTTP::Request('POST',&absolute_url().$fn);
$request->content(join('&',map {	$request->content(join('&',map {
my $name = escape($_);	my $name = escape($_);
"$name=" . ( ref($form{$_}) eq 'ARRAY'	"$name=" . ( ref($form{$_}) eq 'ARRAY'
? join("&$name=", map {escape($_) } @{$form{$_}})	? join("&$name=", map {escape($_) } @{$form{$_}})
: &escape($form{$_}) );	: &escape($form{$_}) );
} keys(%form)));	} keys(%form)));
} else {	} else {
$request=new HTTP::Request('GET',$host.$fn);	$request=new HTTP::Request('GET',&absolute_url().$fn);
}	}

$request->header(Cookie => $ENV{'HTTP_COOKIE'});	$request->header(Cookie => $ENV{'HTTP_COOKIE'});
	my $lonhost = $perlvar{'lonHostID'};
	my $islocal;
if (($env{'request.course.id'}) &&	if (($env{'request.course.id'}) &&
($form{'grade_courseid'} eq $env{'request.course.id'}) &&	($form{'grade_courseid'} eq $env{'request.course.id'}) &&
($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&	($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&
($form{'grade_symb'} ne '') &&	($form{'grade_symb'} ne '') &&
(&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.	(&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
if (LWP::UserAgent->VERSION >= 5.834) {	$islocal = 1;
my $ua=new LWP::UserAgent;
$ua->local_address('127.0.0.1');
$response = $ua->request($request);
} else {
{
require LWP::Protocol::http;
local @LWP::Protocol::http::EXTRA_SOCK_OPTS = (LocalAddr => '127.0.0.1');
my $ua=new LWP::UserAgent;
$response = $ua->request($request);
@LWP::Protocol::http::EXTRA_SOCK_OPTS = ();
}
}
} else {
my $ua=new LWP::UserAgent;
$response = $ua->request($request);
}	}
	my $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,
	'','','',$islocal);

if (wantarray) {	if (wantarray) {
return ($response->content, $response);	return ($response->content, $response);
} else {	} else {
Line 3381 sub ssi {	Line 3497 sub ssi {

sub externalssi {	sub externalssi {
my ($url)=@_;	my ($url)=@_;
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request('GET',$url);	my $request=new HTTP::Request('GET',$url);
my $response=$ua->request($request);	my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar);
if (wantarray) {	if (wantarray) {
return ($response->content, $response);	return ($response->content, $response);
} else {	} else {
Line 3391 sub externalssi {	Line 3506 sub externalssi {
}	}
}	}

# If the local copy of a replicated resource is outdated, trigger a
# connection from the homeserver to flush the delayed queue. If no update	# If the local copy of a replicated resource is outdated, trigger a
	# connection from the homeserver to flush the delayed queue. If no update
# happens, remove local copies of outdated resource (and corresponding	# happens, remove local copies of outdated resource (and corresponding
# metadata file).	# metadata file).

Line 3412 sub remove_stale_resfile {	Line 3528 sub remove_stale_resfile {
if ($hostname) {	if ($hostname) {
my $protocol = $protocol{$homeserver};	my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');	$protocol = 'http' if ($protocol ne 'https');
my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url);	my $uri = &declutter($url);
my $ua=new LWP::UserAgent;	my $request=new HTTP::Request('HEAD',$protocol.'://'.$hostname.'/raw/'.$uri);
$ua->timeout(5);	my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,5,0,1);
my $request=new HTTP::Request('HEAD',$uri);
my $response=$ua->request($request);
if ($response->is_success()) {	if ($response->is_success()) {
my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') );	my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') );
my $locmodtime = (stat($fname))[9];	my $locmodtime = (stat($fname))[9];
Line 3479 sub allowuploaded {	Line 3593 sub allowuploaded {
#	#
# Determine if the current user should be able to edit a particular resource,	# Determine if the current user should be able to edit a particular resource,
# when viewing in course context.	# when viewing in course context.
# (a) When viewing resource used to determine if "Edit" item is included in	# (a) When viewing resource used to determine if "Edit" item is included in
# Functions.	# Functions.
# (b) When displaying folder contents in course editor, used to determine if	# (b) When displaying folder contents in course editor, used to determine if
# "Edit" link will be displayed alongside resource.	# "Edit" link will be displayed alongside resource.
Line 3487 sub allowuploaded {	Line 3601 sub allowuploaded {
# input: six args -- filename (decluttered), course number, course domain,	# input: six args -- filename (decluttered), course number, course domain,
# url, symb (if registered) and group (if this is a group	# url, symb (if registered) and group (if this is a group
# item -- e.g., bulletin board, group page etc.).	# item -- e.g., bulletin board, group page etc.).
# output: array of five scalars --	# output: array of five scalars --
# $cfile -- url for file editing if editable on current server	# $cfile -- url for file editing if editable on current server
# $home -- homeserver of resource (i.e., for author if published,	# $home -- homeserver of resource (i.e., for author if published,
# or course if uploaded.).	# or course if uploaded.).
# $switchserver -- 1 if server switch will be needed.	# $switchserver -- 1 if server switch will be needed.
# $forceedit -- 1 if icon/link should be to go to edit mode	# $forceedit -- 1 if icon/link should be to go to edit mode
# $forceview -- 1 if icon/link should be to go to view mode	# $forceview -- 1 if icon/link should be to go to view mode
#	#

Line 3581 sub can_edit_resource {	Line 3695 sub can_edit_resource {
$forceedit = 1;	$forceedit = 1;
}	}
$cfile = $resurl;	$cfile = $resurl;
} elsif (($resurl ne '') && (&is_on_map($resurl))) {	} elsif (($resurl ne '') && (&is_on_map($resurl))) {
if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg\|bulletinboard$}) {	if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg\|bulletinboard$}) {
$incourse = 1;	$incourse = 1;
if ($env{'form.forceedit'}) {	if ($env{'form.forceedit'}) {
Line 3632 sub can_edit_resource {	Line 3746 sub can_edit_resource {
}	}
} elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') {	} elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') {
my $template = '/res/lib/templates/simpleproblem.problem';	my $template = '/res/lib/templates/simpleproblem.problem';
if (&is_on_map($template)) {	if (&is_on_map($template)) {
$incourse = 1;	$incourse = 1;
$forceview = 1;	$forceview = 1;
$cfile = $template;	$cfile = $template;
Line 3692 sub can_edit_resource {	Line 3806 sub can_edit_resource {
$cfile=$file;	$cfile=$file;
}	}
}	}
if (($cfile ne '') && (!$incourse \|\| $uploaded) &&	if (($cfile ne '') && (!$incourse \|\| $uploaded) &&
(($home ne '') && ($home ne 'no_host'))) {	(($home ne '') && ($home ne 'no_host'))) {
my @ids=&current_machine_ids();	my @ids=&current_machine_ids();
unless (grep(/^\Q$home\E$/,@ids)) {	unless (grep(/^\Q$home\E$/,@ids)) {
Line 3719 sub in_course {	Line 3833 sub in_course {
if ($hideprivileged) {	if ($hideprivileged) {
my $skipuser;	my $skipuser;
my %coursehash = &coursedescription($cdom.'_'.$cnum);	my %coursehash = &coursedescription($cdom.'_'.$cnum);
my @possdoms = ($cdom);	my @possdoms = ($cdom);
if ($coursehash{'checkforpriv'}) {	if ($coursehash{'checkforpriv'}) {
push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));	push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
}	}
if (&privileged($uname,$udom,\@possdoms)) {	if (&privileged($uname,$udom,\@possdoms)) {
$skipuser = 1;	$skipuser = 1;
Line 3915 sub clean_filename {	Line 4029 sub clean_filename {
# Replace all .\d. sequences with _\d. so they no longer look like version	# Replace all .\d. sequences with _\d. so they no longer look like version
# numbers	# numbers
$fname=~s/\.(\d+)(?=\.)/_$1/g;	$fname=~s/\.(\d+)(?=\.)/_$1/g;
# Replace three or more adjacent underscores with one for consistency
# with loncfile::filename_check() so complete url can be extracted by
# lonnet::decode_symb()
$fname=~s/_{3,}/_/g;
return $fname;	return $fname;
}	}

Line 3964 sub resizeImage {	Line 4074 sub resizeImage {
# input: $formname - the contents of the file are in $env{"form.$formname"}	# input: $formname - the contents of the file are in $env{"form.$formname"}
# the desired filename is in $env{"form.$formname.filename"}	# the desired filename is in $env{"form.$formname.filename"}
# $context - possible values: coursedoc, existingfile, overwrite,	# $context - possible values: coursedoc, existingfile, overwrite,
# canceloverwrite, scantron or ''.	# canceloverwrite, scantron or ''.
# if 'coursedoc': upload to the current course	# if 'coursedoc': upload to the current course
# if 'existingfile': write file to tmp/overwrites directory	# if 'existingfile': write file to tmp/overwrites directory
# if 'canceloverwrite': delete file written to tmp/overwrites directory	# if 'canceloverwrite': delete file written to tmp/overwrites directory
Line 3972 sub resizeImage {	Line 4082 sub resizeImage {
# $subdir - directory in userfile to store the file into	# $subdir - directory in userfile to store the file into
# $parser - instruction to parse file for objects ($parser = parse) or	# $parser - instruction to parse file for objects ($parser = parse) or
# if context is 'scantron', $parser is hashref of csv column mapping	# if context is 'scantron', $parser is hashref of csv column mapping
# (e.g.,{ PaperID => 0, LastName => 1, FirstName => 2, ID => 3,	# (e.g.,{ PaperID => 0, LastName => 1, FirstName => 2, ID => 3,
# Section => 4, CODE => 5, FirstQuestion => 9 }).	# Section => 4, CODE => 5, FirstQuestion => 9 }).
# $allfiles - reference to hash for embedded objects	# $allfiles - reference to hash for embedded objects
# $codebase - reference to hash for codebase of java objects	# $codebase - reference to hash for codebase of java objects
Line 4022 sub userfileupload {	Line 4132 sub userfileupload {
} else {	} else {
$docudom = $env{'user.domain'};	$docudom = $env{'user.domain'};
}	}
if ($destuname =~ /^$match_username$/) {	if ($destuname =~ /^$match_username$/) {
$docuname = $destuname;	$docuname = $destuname;
} else {	} else {
$docuname = $env{'user.name'};	$docuname = $env{'user.name'};
Line 4248 sub extract_embedded_items {	Line 4358 sub extract_embedded_items {
}	}
if (lc($tagname) eq 'a') {	if (lc($tagname) eq 'a') {
unless (($attr->{'href'} =~ /^#/) \|\| ($attr->{'href'} eq '')) {	unless (($attr->{'href'} =~ /^#/) \|\| ($attr->{'href'} eq '')) {
&add_filetype($allfiles,$attr->{'href'},'href');	&add_filetype($allfiles,$attr->{'href'},'href');
}	}
}	}
if (lc($tagname) eq 'script') {	if (lc($tagname) eq 'script') {
Line 4429 sub bubblesheet_converter {	Line 4539 sub bubblesheet_converter {
($fullpath =~ m{^\Q$perlvar{'lonDocRoot'}/userfiles/$cdom/\E$match_courseid/scantron_orig}) &&	($fullpath =~ m{^\Q$perlvar{'lonDocRoot'}/userfiles/$cdom/\E$match_courseid/scantron_orig}) &&
(-e $fullpath) && (ref($config) eq 'HASH') && ($format ne '')) {	(-e $fullpath) && (ref($config) eq 'HASH') && ($format ne '')) {
my (%csvcols,%csvoptions);	my (%csvcols,%csvoptions);
if (ref($config->{'fields'}) eq 'HASH') {	if (ref($config->{'fields'}) eq 'HASH') {
%csvcols = %{$config->{'fields'}};	%csvcols = %{$config->{'fields'}};
}	}
if (ref($config->{'options'}) eq 'HASH') {	if (ref($config->{'options'}) eq 'HASH') {
Line 4476 sub bubblesheet_converter {	Line 4586 sub bubblesheet_converter {
next if (($num == 1) && ($csvoptions{'hdr'} == 1));	next if (($num == 1) && ($csvoptions{'hdr'} == 1));
$line =~ s{[\r\n]+$}{};	$line =~ s{[\r\n]+$}{};
my %found;	my %found;
my @values = split(/,/,$line,-1);	my @values = split(/,/,$line);
my ($qstart,$record);	my ($qstart,$record);
for (my $i=0; $i<@values; $i++) {	for (my $i=0; $i<@values; $i++) {
if ((($qstart ne '') && ($i > $qstart)) \|\|	if ((($qstart ne '') && ($i > $qstart)) \|\|
Line 4659 sub get_scantronformat_file {	Line 4769 sub get_scantronformat_file {
close($fh);	close($fh);
}	}
}	}
chomp(@lines);
}	}
return @lines;	return @lines;
}	}
Line 4781 sub flushcourselogs {	Line 4890 sub flushcourselogs {
if (! defined($dom) \|\| $dom eq '' \|\|	if (! defined($dom) \|\| $dom eq '' \|\|
! defined($name) \|\| $name eq '') {	! defined($name) \|\| $name eq '') {
my $cid = $env{'request.course.id'};	my $cid = $env{'request.course.id'};
#
# FIXME 11/29/2021
# Typo in rev. 1.458 (2003/12/09)??
# These should likely by $env{'course.'.$cid.'.domain'} and $env{'course.'.$cid.'.num'}
#
# While these ramain as $env{'request.'.$cid.'.domain'} and $env{'request.'.$cid.'.num'}
# $dom and $name will always be null, so the &inc() call will default to storing this data
# in a nohist_accesscount.db file for the user rather than the course.
#
# That said there is a lot of noise in the data being stored.
# So counts for prtspool/ and adm/ etc. are recorded.
#
# A review of which items ending '___count' are written to %accesshash should likely be
# made before deciding whether to set these to 'course.' instead of 'request.'
#
# Under the current scheme each user receives a nohist_accesscount.db file listing
# accesses for things which are not published resources, regardless of course, and
# there is not a nohist_accesscount.db file in a course, which might log accesses from
# anyone in the course for things which are not published resources.
#
# For an author, nohist_accesscount.db ends up having records for other items
# mixed up with the legitimate access counts for the author's published resources.
#
$dom = $env{'request.'.$cid.'.domain'};	$dom = $env{'request.'.$cid.'.domain'};
$name = $env{'request.'.$cid.'.num'};	$name = $env{'request.'.$cid.'.num'};
}	}
Line 4852 sub flushcourselogs {	Line 4938 sub flushcourselogs {
delete $domainrolehash{$entry};	delete $domainrolehash{$entry};
}	}
foreach my $dom (keys(%domrolebuffer)) {	foreach my $dom (keys(%domrolebuffer)) {
my %servers;	my %servers;
if (defined(&domain($dom,'primary'))) {	if (defined(&domain($dom,'primary'))) {
my $primary=&domain($dom,'primary');	my $primary=&domain($dom,'primary');
my $hostname=&hostname($primary);	my $hostname=&hostname($primary);
$servers{$primary} = $hostname;	$servers{$primary} = $hostname;
} else {	} else {
%servers = &get_servers($dom,'library');	%servers = &get_servers($dom,'library');
}	}
foreach my $tryserver (keys(%servers)) {	foreach my $tryserver (keys(%servers)) {
if (&reply('domroleput:'.$dom.':'.	if (&reply('domroleput:'.$dom.':'.
$domrolebuffer{$dom},$tryserver) eq 'ok') {	$domrolebuffer{$dom},$tryserver) eq 'ok') {
last;	last;
} else {	} else {
&logthis('Put of domain roles failed for '.$dom.' and '.$tryserver);	&logthis('Put of domain roles failed for '.$dom.' and '.$tryserver);
}	}
}	}
Line 4913 sub courseacclog {	Line 4999 sub courseacclog {
if ($formitem =~ /^HWFILE(?:SIZE\|TOOBIG)/) {	if ($formitem =~ /^HWFILE(?:SIZE\|TOOBIG)/) {
$what.=':'.$formitem.'='.$env{$key};	$what.=':'.$formitem.'='.$env{$key};
} elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {	} elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
if ($formitem eq 'proctorpassword') {	$what.=':'.$formitem.'='.$env{$key};
$what.=':'.$formitem.'=' . '*' x length($env{$key});
} else {
$what.=':'.$formitem.'='.$env{$key};
}
}	}
}	}
}	}
Line 5196 sub get_my_roles {	Line 5278 sub get_my_roles {
} else {	} else {
my $possdoms = [$domain];	my $possdoms = [$domain];
if (ref($roledoms) eq 'ARRAY') {	if (ref($roledoms) eq 'ARRAY') {
push(@{$possdoms},@{$roledoms});	push(@{$possdoms},@{$roledoms});
}	}
if (&privileged($username,$domain,$possdoms,\@privroles)) {	if (&privileged($username,$domain,$possdoms,\@privroles)) {
if (!$nothide{$username.':'.$domain}) {	if (!$nothide{$username.':'.$domain}) {
Line 5493 sub courseiddump {	Line 5575 sub courseiddump {
if (($domfilter eq '') \|\|	if (($domfilter eq '') \|\|
(&host_domain($tryserver) eq $domfilter)) {	(&host_domain($tryserver) eq $domfilter)) {
my $rep;	my $rep;
if (grep { $_ eq $tryserver } &current_machine_ids()) {	if (grep { $_ eq $tryserver } current_machine_ids()) {
$rep = &LONCAPA::Lond::dump_course_id_handler(	$rep = LONCAPA::Lond::dump_course_id_handler(
join(":", (&host_domain($tryserver), $sincefilter,	join(":", (&host_domain($tryserver), $sincefilter,
&escape($descfilter), &escape($instcodefilter),	&escape($descfilter), &escape($instcodefilter),
&escape($ownerfilter), &escape($coursefilter),	&escape($ownerfilter), &escape($coursefilter),
&escape($typefilter), &escape($regexp_ok),	&escape($typefilter), &escape($regexp_ok),
$as_hash, &escape($selfenrollonly),	$as_hash, &escape($selfenrollonly),
&escape($catfilter), $showhidden, $caller,	&escape($catfilter), $showhidden, $caller,
&escape($cloner), &escape($cc_clone), $cloneonly,	&escape($cloner), &escape($cc_clone), $cloneonly,
&escape($createdbefore), &escape($createdafter),	&escape($createdbefore), &escape($createdafter),
&escape($creationcontext),$domcloner,$hasuniquecode,	&escape($creationcontext),$domcloner,$hasuniquecode,
$reqcrsdom,&escape($reqinstcode))));	$reqcrsdom,&escape($reqinstcode))));
} else {	} else {
Line 5518 sub courseiddump {	Line 5600 sub courseiddump {
&escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.	&escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.
':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);	':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);
}	}

my @pairs=split(/\&/,$rep);	my @pairs=split(/\&/,$rep);
foreach my $item (@pairs) {	foreach my $item (@pairs) {
my ($key,$value)=split(/\=/,$item,2);	my ($key,$value)=split(/\=/,$item,2);
Line 5745 sub set_first_access {	Line 5827 sub set_first_access {
}	}
}	}

sub checkout {
my ($symb,$tuname,$tudom,$tcrsid)=@_;
my $now=time;
my $lonhost=$perlvar{'lonHostID'};
my $ip = &get_requestor_ip();
my $infostr=&escape(
'CHECKOUTTOKEN&'.
$tuname.'&'.
$tudom.'&'.
$tcrsid.'&'.
$symb.'&'.
$now.'&'.$ip);
my $token=&reply('tmpput:'.$infostr,$lonhost);
if ($token=~/^error\:/) {
&logthis("<font color=\"blue\">WARNING: ".
"Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
"</font>");
return '';
}

$token=~s/^(\d+)\_.\_(\d+)$/$1\$2\*$lonhost/;
$token=~tr/a-z/A-Z/;

my %infohash=('resource.0.outtoken' => $token,
'resource.0.checkouttime' => $now,
'resource.0.outremote' => $ip);

unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
return '';
} else {
&logthis("<font color=\"blue\">WARNING: ".
"Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
"</font>");
}

if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
&escape('Checkout '.$infostr.' - '.
$token)) ne 'ok') {
return '';
} else {
&logthis("<font color=\"blue\">WARNING: ".
"Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
"</font>");
}
return $token;
}

# ------------------------------------------------------------ Check in an item

sub checkin {
my $token=shift;
my $now=time;
my ($ta,$tb,$lonhost)=split(/\*/,$token);
$lonhost=~tr/A-Z/a-z/;
my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
$dtoken=~s/\W/\_/g;
my $ip = &get_requestor_ip();
my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));

unless (($tuname) && ($tudom)) {
&logthis('Check in '.$token.' ('.$dtoken.') failed');
return '';
}

unless (&allowed('mgr',$tcrsid)) {
&logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
$env{'user.name'}.' - '.$env{'user.domain'});
return '';
}

my %infohash=('resource.0.intoken' => $token,
'resource.0.checkintime' => $now,
'resource.0.inremote' => $ip);

unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
return '';
}

if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
&escape('Checkin - '.$token)) ne 'ok') {
return '';
}

return ($symb,$tuname,$tudom,$tcrsid);
}

# --------------------------------------------- Set Expire Date for Spreadsheet	# --------------------------------------------- Set Expire Date for Spreadsheet

sub expirespread {	sub expirespread {
Line 6086 sub tmpreset {	Line 6081 sub tmpreset {
if (!$domain) { $domain=$env{'user.domain'}; }	if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }	if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {	if ($domain eq 'public' && $stuname eq 'public') {
$stuname=&get_requestor_ip();	$stuname=$ENV{'REMOTE_ADDR'};
}	}
my $path=LONCAPA::tempdir();	my $path=LONCAPA::tempdir();
my %hash;	my %hash;
Line 6123 sub tmpstore {	Line 6118 sub tmpstore {
if (!$domain) { $domain=$env{'user.domain'}; }	if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }	if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {	if ($domain eq 'public' && $stuname eq 'public') {
$stuname=&get_requestor_ip();	$stuname=$ENV{'REMOTE_ADDR'};
}	}
my $now=time;	my $now=time;
my %hash;	my %hash;
Line 6167 sub tmprestore {	Line 6162 sub tmprestore {
if (!$domain) { $domain=$env{'user.domain'}; }	if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }	if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {	if ($domain eq 'public' && $stuname eq 'public') {
$stuname=&get_requestor_ip();	$stuname=$ENV{'REMOTE_ADDR'};
}	}
my %returnhash;	my %returnhash;
$namespace=~s/\//\_/g;	$namespace=~s/\//\_/g;
Line 6223 sub store {	Line 6218 sub store {
}	}
if (!$home) { $home=$env{'user.home'}; }	if (!$home) { $home=$env{'user.home'}; }

$$storehash{'ip'}=&get_requestor_ip();	$$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
$$storehash{'host'}=$perlvar{'lonHostID'};	$$storehash{'host'}=$perlvar{'lonHostID'};

my $namevalue='';	my $namevalue='';
Line 6259 sub cstore {	Line 6254 sub cstore {
}	}
if (!$home) { $home=$env{'user.home'}; }	if (!$home) { $home=$env{'user.home'}; }

$$storehash{'ip'}=&get_requestor_ip();	$$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
$$storehash{'host'}=$perlvar{'lonHostID'};	$$storehash{'host'}=$perlvar{'lonHostID'};

my $namevalue='';	my $namevalue='';
Line 6425 sub privileged {	Line 6420 sub privileged {
my $now = time;	my $now = time;
my $roles;	my $roles;
if (ref($possroles) eq 'ARRAY') {	if (ref($possroles) eq 'ARRAY') {
$roles = $possroles;	$roles = $possroles;
} else {	} else {
$roles = ['dc','su'];	$roles = ['dc','su'];
}	}
Line 6452 sub privileged {	Line 6447 sub privileged {
for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) {	for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) {
my ($trole, $tend, $tstart) = split(/_/, $role);	my ($trole, $tend, $tstart) = split(/_/, $role);
if (grep(/^\Q$trole\E$/,@{$roles})) {	if (grep(/^\Q$trole\E$/,@{$roles})) {
return 1 unless ($tend && $tend < $now)	return 1 unless ($tend && $tend < $now)
or ($tstart && $tstart > $now);	or ($tstart && $tstart > $now);
}	}
}	}
Line 6490 sub privileged_by_domain {	Line 6485 sub privileged_by_domain {
my ($trole,$uname,$udom,$rest) = split(/:/,$item,4);	my ($trole,$uname,$udom,$rest) = split(/:/,$item,4);
my ($end,$start) = split(/:/,$dompersonnel{$server}{$item});	my ($end,$start) = split(/:/,$dompersonnel{$server}{$item});
next if ($end && $end < $now);	next if ($end && $end < $now);
$privileged{$dom}{$trole}{$uname.':'.$udom} =	$privileged{$dom}{$trole}{$uname.':'.$udom} =
$dompersonnel{$server}{$item};	$dompersonnel{$server}{$item};
}	}
}	}
Line 6677 sub course_adhocrole_privs {	Line 6672 sub course_adhocrole_privs {
$full{$priv} = $restrict;	$full{$priv} = $restrict;
}	}
foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {	foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {
next if ($item eq '');	next if ($item eq '');
my ($rule,$rest) = split(/=/,$item);	my ($rule,$rest) = split(/=/,$item);
next unless (($rule eq 'off') \|\| ($rule eq 'on'));	next unless (($rule eq 'off') \|\| ($rule eq 'on'));
foreach my $priv (split(/:/,$rest)) {	foreach my $priv (split(/:/,$rest)) {
if ($priv ne '') {	if ($priv ne '') {
if ($rule eq 'off') {	if ($rule eq 'off') {
$possremove{$priv} = 1;	$possremove{$priv} = 1;
} else {	} else {
$possadd{$priv} = 1;	$possadd{$priv} = 1;
}	}
}	}
}	}
}	}
foreach my $priv (sort(keys(%full))) {	foreach my $priv (sort(keys(%full))) {
if (exists($currprivs{$priv})) {	if (exists($currprivs{$priv})) {
unless (exists($possremove{$priv})) {	unless (exists($possremove{$priv})) {
$storeprivs{$priv} = $currprivs{$priv};	$storeprivs{$priv} = $currprivs{$priv};
}	}
} elsif (exists($possadd{$priv})) {	} elsif (exists($possadd{$priv})) {
$storeprivs{$priv} = $full{$priv};	$storeprivs{$priv} = $full{$priv};
}	}
}	}
$coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));	$coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
}	}
return $coursepriv;	return $coursepriv;
}	}

sub group_roleprivs {	sub group_roleprivs {
Line 6923 sub check_adhoc_privs {	Line 6918 sub check_adhoc_privs {
my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;	my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
if ($sec) {	if ($sec) {
$cckey .= '/'.$sec;	$cckey .= '/'.$sec;
}	}
my $setprivs;	my $setprivs;
if ($env{$cckey}) {	if ($env{$cckey}) {
my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);	my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
Line 6969 sub set_adhoc_privileges {	Line 6964 sub set_adhoc_privileges {
($caller eq 'tiny')) {	($caller eq 'tiny')) {
&appenv( {'request.role' => $spec,	&appenv( {'request.role' => $spec,
'request.role.domain' => $dcdom,	'request.role.domain' => $dcdom,
'request.course.sec' => $sec,	'request.course.sec' => $sec,
}	}
);	);
my $tadv=0;	my $tadv=0;
Line 7029 sub unserialize {	Line 7024 sub unserialize {
return {} if $rep =~ /^error/;	return {} if $rep =~ /^error/;

my %returnhash=();	my %returnhash=();
foreach my $item (split(/\&/,$rep)) {	foreach my $item (split(/\&/,$rep)) {
my ($key, $value) = split(/=/, $item, 2);	my ($key, $value) = split(/=/, $item, 2);
$key = unescape($key) unless $escapedkeys;	$key = unescape($key) unless $escapedkeys;
next if $key =~ /^error: 2 /;	next if $key =~ /^error: 2 /;
$returnhash{$key} = &thaw_unescape($value);	$returnhash{$key} = &thaw_unescape($value);
}	}
	#return %returnhash;
return \%returnhash;	return \%returnhash;
}	}

# see Lond::dump_with_regexp	# see Lond::dump_with_regexp
# if $escapedkeys hash keys won't get unescaped.	# if $escapedkeys hash keys won't get unescaped.
sub dump {	sub dump {
my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys,$encrypt)=@_;	my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }	if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }	if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);	my $uhome=&homeserver($uname,$udomain);
Line 7051 sub dump {	Line 7047 sub dump {
} else {	} else {
$regexp='.';	$regexp='.';
}	}
if (grep { $_ eq $uhome } &current_machine_ids()) {	if (grep { $_ eq $uhome } current_machine_ids()) {
# user is hosted on this machine	# user is hosted on this machine
my $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain,	my $reply = LONCAPA::Lond::dump_with_regexp(join(":", ($udomain,
$uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});	$uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
return %{&unserialize($reply, $escapedkeys)};	return %{unserialize($reply, $escapedkeys)};
}
my $rep;
if ($encrypt) {
$rep=&reply("encrypt:edump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
} else {
$rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
}	}
	my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
my @pairs=split(/\&/,$rep);	my @pairs=split(/\&/,$rep);
my %returnhash=();	my %returnhash=();
if (!($rep =~ /^error/ )) {	if (!($rep =~ /^error/ )) {
foreach my $item (@pairs) {	foreach my $item (@pairs) {
my ($key,$value)=split(/=/,$item,2);	my ($key,$value)=split(/=/,$item,2);
$key = &unescape($key) unless ($escapedkeys);	$key = unescape($key) unless $escapedkeys;
	#$key = &unescape($key);
next if ($key =~ /^error: 2 /);	next if ($key =~ /^error: 2 /);
$returnhash{$key}=&thaw_unescape($value);	$returnhash{$key}=&thaw_unescape($value);
}	}
Line 7112 sub currentdump {	Line 7104 sub currentdump {
my $rep;	my $rep;

if (grep { $_ eq $uhome } current_machine_ids()) {	if (grep { $_ eq $uhome } current_machine_ids()) {
$rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,	$rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,
$courseid)));	$courseid)));
} else {	} else {
$rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);	$rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
Line 7122 sub currentdump {	Line 7114 sub currentdump {
#	#
my %returnhash=();	my %returnhash=();
#	#
if ($rep eq "unknown_cmd") {	if ($rep eq 'unknown_cmd') {
# an old lond will not know currentdump	# an old lond will not know currentdump
# Do a dump and make it look like a currentdump	# Do a dump and make it look like a currentdump
my @tmp = &dumpstore($courseid,$sdom,$sname,'.');	my @tmp = &dumpstore($courseid,$sdom,$sname,'.');
Line 7208 sub inc {	Line 7200 sub inc {
# --------------------------------------------------------------- put interface	# --------------------------------------------------------------- put interface

sub put {	sub put {
my ($namespace,$storehash,$udomain,$uname,$encrypt)=@_;	my ($namespace,$storehash,$udomain,$uname)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }	if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }	if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);	my $uhome=&homeserver($uname,$udomain);
Line 7217 sub put {	Line 7209 sub put {
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';	$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
}	}
$items=~s/\&$//;	$items=~s/\&$//;
if ($encrypt) {	return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
return &reply("encrypt:put:$udomain:$uname:$namespace:$items",$uhome);
} else {
return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
}
}	}

# ------------------------------------------------------------ newput interface	# ------------------------------------------------------------ newput interface
Line 7261 sub putstore {	Line 7249 sub putstore {
foreach my $key (keys(%{$storehash})) {	foreach my $key (keys(%{$storehash})) {
$namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';	$namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
}	}
my $ip = &get_requestor_ip();	$namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
$namevalue .= 'ip='.&escape($ip).
'&host='.&escape($perlvar{'lonHostID'}).	'&host='.&escape($perlvar{'lonHostID'}).
'&version='.$esc_v.	'&version='.$esc_v.
'&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});	'&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
Line 7378 sub tmpdel {	Line 7365 sub tmpdel {
return &reply("tmpdel:$token",$server);	return &reply("tmpdel:$token",$server);
}	}

# ------------------------------------------------------------ get_timebased_id	# ------------------------------------------------------------ get_timebased_id

sub get_timebased_id {	sub get_timebased_id {
my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries,	my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries,
$maxtries) = @_;	$maxtries) = @_;
my ($newid,$error,$dellock);	my ($newid,$error,$dellock);
unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) {	unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) {
return ('','ok','invalid call to get suffix');	return ('','ok','invalid call to get suffix');
}	}

Line 7398 sub get_timebased_id {	Line 7385 sub get_timebased_id {
if (!$maxtries) {	if (!$maxtries) {
$maxtries = 10;	$maxtries = 10;
}	}

if (($cdom eq '') \|\| ($cnum eq '')) {	if (($cdom eq '') \|\| ($cnum eq '')) {
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
Line 7486 sub portfolio_access {	Line 7473 sub portfolio_access {
if ($result) {	if ($result) {
my %setters;	my %setters;
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {	if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =	my ($startblock,$endblock) =
&Apache::loncommon::blockcheck(\%setters,'port',$clientip,$unum,$udom);	&Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom);
if (($startblock && $endblock) \|\| ($by_ip)) {	if ($startblock && $endblock) {
return 'B';	return 'B';
}	}
} else {	} else {
my ($startblock,$endblock,$triggerblock,$by_ip,$blockdo) =	my ($startblock,$endblock) =
&Apache::loncommon::blockcheck(\%setters,'port',$clientip);	&Apache::loncommon::blockcheck(\%setters,'port');
if (($startblock && $endblock) \|\| ($by_ip)) {	if ($startblock && $endblock) {
return 'B';	return 'B';
}	}
}	}
Line 7553 sub get_portfolio_access {	Line 7540 sub get_portfolio_access {
if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {	if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {
if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {	if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {
$allowed = 1;	$allowed = 1;
last;	last;
}	}
}	}
}	}
Line 7747 sub usertools_access {	Line 7734 sub usertools_access {
unofficial => 1,	unofficial => 1,
community => 1,	community => 1,
textbook => 1,	textbook => 1,
	placement => 1,
	lti => 1,
);	);
} elsif ($context eq 'requestauthor') {	} elsif ($context eq 'requestauthor') {
%tools = (	%tools = (
Line 7758 sub usertools_access {	Line 7747 sub usertools_access {
blog => 1,	blog => 1,
webdav => 1,	webdav => 1,
portfolio => 1,	portfolio => 1,
timezone => 1,
);	);
}	}
return if (!defined($tools{$tool}));	return if (!defined($tools{$tool}));
Line 7782 sub usertools_access {	Line 7770 sub usertools_access {

my ($toolstatus,$inststatus,$envkey);	my ($toolstatus,$inststatus,$envkey);
if ($context eq 'requestauthor') {	if ($context eq 'requestauthor') {
$envkey = $context;	$envkey = $context;
} else {	} else {
$envkey = $context.'.'.$tool;	$envkey = $context.'.'.$tool;
}	}
Line 7944 sub is_advanced_user {	Line 7932 sub is_advanced_user {
}	}

sub check_can_request {	sub check_can_request {
my ($dom,$can_request,$request_domains) = @_;	my ($dom,$can_request,$request_domains,$uname,$udom) = @_;
my $canreq = 0;	my $canreq = 0;
	if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
	$uname = $env{'user.name'};
	$udom = $env{'user.domain'};
	}
my ($types,$typename) = &Apache::loncommon::course_types();	my ($types,$typename) = &Apache::loncommon::course_types();
my @options = ('approval','validate','autolimit');	my @options = ('approval','validate','autolimit');
my $optregex = join('\|',@options);	my $optregex = join('\|',@options);
if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {	if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {
foreach my $type (@{$types}) {	foreach my $type (@{$types}) {
if (&usertools_access($env{'user.name'},	if (&usertools_access($uname,$udom,$type,undef,
$env{'user.domain'},	'requestcourses')) {
$type,undef,'requestcourses')) {
$canreq ++;	$canreq ++;
if (ref($request_domains) eq 'HASH') {	if (ref($request_domains) eq 'HASH') {
push(@{$request_domains->{$type}},$env{'user.domain'});	push(@{$request_domains->{$type}},$udom);
}	}
if ($dom eq $env{'user.domain'}) {	if ($dom eq $udom) {
$can_request->{$type} = 1;	$can_request->{$type} = 1;
}	}
}	}
if ($env{'environment.reqcrsotherdom.'.$type} ne '') {	if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '') &&
	($env{'environment.reqcrsotherdom.'.$type} ne '')) {
my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});	my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
if (@curr > 0) {	if (@curr > 0) {
foreach my $item (@curr) {	foreach my $item (@curr) {
Line 7979 sub check_can_request {	Line 7971 sub check_can_request {
}	}
}	}
}	}
unless($dom eq $env{'user.domain'}) {	unless ($dom eq $env{'user.domain'}) {
$canreq ++;	$canreq ++;
if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {	if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
$can_request->{$type} = 1;	$can_request->{$type} = 1;
Line 8044 sub customaccess {	Line 8036 sub customaccess {
# ------------------------------------------------- Check for a user privilege	# ------------------------------------------------- Check for a user privilege

sub allowed {	sub allowed {
my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache,$nodeeplinkcheck,$nodeeplinkout)=@_;	my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_;
my $ver_orguri=$uri;	my $ver_orguri=$uri;
$uri=&deversion($uri);	$uri=&deversion($uri);
my $orguri=$uri;	my $orguri=$uri;
$uri=&declutter($uri);	$uri=&declutter($uri);

if ($priv eq 'evb') {	if ($priv eq 'evb') {
# Evade communication block restrictions for specified role in a course or domain	# Evade communication block restrictions for specified role in a course
if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {	if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {
return $1;	return $1;
} else {	} else {
Line 8061 sub allowed {	Line 8053 sub allowed {

if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }	if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
# Free bre access to adm and meta resources	# Free bre access to adm and meta resources
if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg\|bulletinboard\|viewclasslist\|aboutme\|ext\.tool)$}))	if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg\|bulletinboard\|ext\.tool)$}))
\|\| (($uri=~/\.meta$/) && ($uri!~m\|^uploaded/\|) ))	\|\| (($uri=~/\.meta$/) && ($uri!~m\|^uploaded/\|) ))
&& ($priv eq 'bre')) {	&& ($priv eq 'bre')) {
return 'F';	return 'F';
Line 8072 sub allowed {	Line 8064 sub allowed {
if (($space=~/^(uploaded\|editupload)$/) && ($env{'user.name'} eq $name) &&	if (($space=~/^(uploaded\|editupload)$/) && ($env{'user.name'} eq $name) &&
($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {	($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
my %setters;	my %setters;
my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =	my ($startblock,$endblock) =
&Apache::loncommon::blockcheck(\%setters,'port',$clientip);	&Apache::loncommon::blockcheck(\%setters,'port');
if (($startblock && $endblock) \|\| ($by_ip)) {	if ($startblock && $endblock) {
return 'B';	return 'B';
} else {	} else {
return 'F';	return 'F';
Line 8170 sub allowed {	Line 8162 sub allowed {
my $adom = $1;	my $adom = $1;
foreach my $key (keys(%env)) {	foreach my $key (keys(%env)) {
if ($key =~ m{^user\.role\.(ca\|aa)/\Q$adom\E}) {	if ($key =~ m{^user\.role\.(ca\|aa)/\Q$adom\E}) {
my ($start,$end) = split(/\./,$env{$key});	my ($start,$end) = split('.',$env{$key});
if (($now >= $start) && (!$end \|\| $end > $now)) {	if (($now >= $start) && (!$end \|\| $end < $now)) {
$ownaccess = 1;	$ownaccess = 1;
last;	last;
}	}
Line 8183 sub allowed {	Line 8175 sub allowed {
foreach my $role ('ca','aa') {	foreach my $role ('ca','aa') {
if ($env{"user.role.$role./$adom/$aname"}) {	if ($env{"user.role.$role./$adom/$aname"}) {
my ($start,$end) =	my ($start,$end) =
split(/\./,$env{"user.role.$role./$adom/$aname"});	split('.',$env{"user.role.$role./$adom/$aname"});
if (($now >= $start) && (!$end \|\| $end > $now)) {	if (($now >= $start) && (!$end \|\| $end < $now)) {
$ownaccess = 1;	$ownaccess = 1;
last;	last;
}	}
Line 8269 sub allowed {	Line 8261 sub allowed {
if ($env{'user.priv.'.$env{'request.role'}.'./'}	if ($env{'user.priv.'.$env{'request.role'}.'./'}
=~/\Q$priv\E\&([^\:]*)/) {	=~/\Q$priv\E\&([^\:]*)/) {
my $value = $1;	my $value = $1;
my $deeplinkblock;	my $deeplinkblock = &deeplink_check($priv,$symb,$uri);
unless ($nodeeplinkcheck) {
$deeplinkblock = &deeplink_check($priv,$symb,$uri);
}
if ($deeplinkblock) {	if ($deeplinkblock) {
$thisallowed='D';	$thisallowed='D';
} elsif ($noblockcheck) {	} elsif ($noblockcheck) {
Line 8295 sub allowed {	Line 8284 sub allowed {
$refuri=&declutter($refuri);	$refuri=&declutter($refuri);
my ($match) = &is_on_map($refuri);	my ($match) = &is_on_map($refuri);
if ($match) {	if ($match) {
my $deeplinkblock;	my $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
unless ($nodeeplinkcheck) {
$deeplinkblock = &deeplink_check($priv,$symb,$refuri);
}
if ($deeplinkblock) {	if ($deeplinkblock) {
$thisallowed='D';	$thisallowed='D';
} elsif ($noblockcheck) {	} elsif ($noblockcheck) {
Line 8323 sub allowed {	Line 8309 sub allowed {
&& &is_portfolio_url($uri)) {	&& &is_portfolio_url($uri)) {
$thisallowed = &portfolio_access($uri,$clientip);	$thisallowed = &portfolio_access($uri,$clientip);
}	}

# Full access at system, domain or course-wide level? Exit.	# Full access at system, domain or course-wide level? Exit.
if ($thisallowed=~/F/) {	if ($thisallowed=~/F/) {
return 'F';	return 'F';
Line 8374 sub allowed {	Line 8360 sub allowed {
=~/\Q$priv\E\&([^\:]*)/) {	=~/\Q$priv\E\&([^\:]*)/) {
my $value = $1;	my $value = $1;
if ($priv eq 'bre') {	if ($priv eq 'bre') {
my $deeplinkblock;	if ($noblockcheck) {
unless ($nodeeplinkcheck) {
$deeplinkblock = &deeplink_check($priv,$symb,$uri);
}
if ($deeplinkblock) {
$thisallowed = 'D';
} elsif ($noblockcheck) {
$thisallowed.=$value;	$thisallowed.=$value;
} else {	} else {
my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);	my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
Line 8422 sub allowed {	Line 8402 sub allowed {
=~/\Q$priv\E\&([^\:]*)/) {	=~/\Q$priv\E\&([^\:]*)/) {
my $value = $1;	my $value = $1;
if ($priv eq 'bre') {	if ($priv eq 'bre') {
my $deeplinkblock;	my $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
unless ($nodeeplinkcheck) {
$deeplinkblock = &deeplink_check($priv,$symb,$refuri);
}
if ($deeplinkblock) {	if ($deeplinkblock) {
$thisallowed = 'D';	$thisallowed = 'D';
} elsif ($noblockcheck) {	} elsif ($noblockcheck) {
Line 8473 sub allowed {	Line 8450 sub allowed {
#	#

# Possibly locked functionality, check all courses	# Possibly locked functionality, check all courses
# In roles.tab, L (unless locked) available for bre, pch, plc, pac and sma.
# Locks might take effect only after 10 minutes cache expiration for other	# Locks might take effect only after 10 minutes cache expiration for other
# courses, and 2 minutes for current course, in which user has st or ta role	# courses, and 2 minutes for current course
# which is neither expired nor a future role (unless current course).

my ($needlockcheck,$now,$crsonly);	my $envkey;
if ($thisallowed=~/L/) {	if ($thisallowed=~/L/) {
$now = time;	foreach $envkey (keys(%env)) {
if ($priv eq 'bre') {
if ($uri ne '') {
if ($orguri =~ m{^/+res/}) {
if ($uri =~ m{^lib/templates/}) {
if ($env{'request.course.id'}) {
$crsonly = 1;
$needlockcheck = 1;
}
} else {
$needlockcheck = 1;
}
} elsif ($env{'request.course.id'}) {
my ($crsdom,$crsnum) = split('_',$env{'request.course.id'});
if (($uri =~ m{^(adm\|uploaded\|public)/$crsdom/$crsnum/}) \|\|
($uri =~ m{^adm/$match_domain/$match_username/\d+/(smppg\|bulletinboard)$})) {
$crsonly = 1;
}
$needlockcheck = 1;
}
}
} elsif (($priv eq 'pch') \|\| ($priv eq 'plc') \|\| ($priv eq 'pac') \|\| ($priv eq 'sma')) {
$needlockcheck = 1;
}
}
if ($needlockcheck) {
foreach my $envkey (keys(%env)) {
if ($envkey=~/^user\.role\.(st\|ta)\.([^\.]*)/) {	if ($envkey=~/^user\.role\.(st\|ta)\.([^\.]*)/) {
my $courseid=$2;	my $courseid=$2;
my $roleid=$1.'.'.$2;	my $roleid=$1.'.'.$2;
$courseid=~s/^\///;	$courseid=~s/^\///;
unless ($env{'request.role'} eq $roleid) {
my ($start,$end) = split(/\./,$env{$envkey});
next unless (($now >= $start) && (!$end \|\| $end > $now));
}
my $expiretime=600;	my $expiretime=600;
if ($env{'request.role'} eq $roleid) {	if ($env{'request.role'} eq $roleid) {
$expiretime=120;	$expiretime=120;
Line 8537 sub allowed {	Line 8482 sub allowed {
}	}
if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)	if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)
\|\| ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {	\|\| ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
if ($env{$prefix.'priv.'.$priv.'.lock.expire'}>time) {	if ($env{'priv.'.$priv.'.lock.expire'}>time) {
&log($env{'user.domain'},$env{'user.name'},	&log($env{'user.domain'},$env{'user.name'},
$env{'user.home'},	$env{'user.home'},
'Locked by priv: '.$priv.' for '.$uri.' due to '.	'Locked by priv: '.$priv.' for '.$uri.' due to '.
Line 8576 sub allowed {	Line 8521 sub allowed {
my $unamedom=$env{'user.name'}.':'.$env{'user.domain'};	my $unamedom=$env{'user.name'}.':'.$env{'user.domain'};
if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'}	if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'}
=~/\Q$rolecode\E/) {	=~/\Q$rolecode\E/) {
if (($priv ne 'pch') && ($priv ne 'plc')) {	if (($priv ne 'pch') && ($priv ne 'plc') && ($priv ne 'pac')) {
&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.	&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.	'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.
$env{'request.course.id'});	$env{'request.course.id'});
Line 8586 sub allowed {	Line 8531 sub allowed {

if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'}	if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'}
=~/\Q$unamedom\E/) {	=~/\Q$unamedom\E/) {
if (($priv ne 'pch') && ($priv ne 'plc')) {	if (($priv ne 'pch') && ($priv ne 'plc') && ($priv ne 'pac')) {
&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.	&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.
'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.	'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.
$env{'request.course.id'});	$env{'request.course.id'});
Line 8608 sub allowed {	Line 8553 sub allowed {
}	}
}	}

# Restricted for deeplinked session?

if ($env{'request.deeplink.login'}) {
if ($env{'acc.deeplinkout'} && !$nodeeplinkout) {
if (!$symb) { $symb=&symbread($uri,1); }
if (($symb) && ($env{'acc.deeplinkout'}=~/\&\Q$symb\E\&/)) {
return '';
}
}
}

# Restricted by state or randomout?	# Restricted by state or randomout?

if ($thisallowed=~/X/) {	if ($thisallowed=~/X/) {
Line 8657 sub constructaccess {	Line 8591 sub constructaccess {
my ($ownername,$ownerdomain,$ownerhome);	my ($ownername,$ownerdomain,$ownerhome);

($ownerdomain,$ownername) =	($ownerdomain,$ownername) =
($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E\|)/priv/($match_domain)/($match_username)(?:/\|$)});	($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E\|)(?:/daxepage\|/daxeopen)?/priv/($match_domain)/($match_username)(?:/\|$)});

# The URL does not really point to any authorspace, forget it	# The URL does not really point to any authorspace, forget it
unless (($ownername) && ($ownerdomain)) { return ''; }	unless (($ownername) && ($ownerdomain)) { return ''; }
Line 8678 sub constructaccess {	Line 8612 sub constructaccess {
$ownerhome = &homeserver($ownername,$ownerdomain);	$ownerhome = &homeserver($ownername,$ownerdomain);
return ($ownername,$ownerdomain,$ownerhome);	return ($ownername,$ownerdomain,$ownerhome);
}	}
	if ($env{'request.course.id'}) {
	if (($ownername eq $env{'course.'.$env{'request.course.id'}.'.num'}) &&
	($ownerdomain eq $env{'course.'.$env{'request.course.id'}.'.domain'})) {
	if (&allowed('mdc',$env{'request.course.id'})) {
	$ownerhome = $env{'course.'.$env{'request.course.id'}.'.home'};
	return ($ownername,$ownerdomain,$ownerhome);
	}
	}
	}
}	}

# We don't have any access right now. If we are not possibly going to do anything about this,	# We don't have any access right now. If we are not possibly going to do anything about this,
Line 8722 sub constructaccess {	Line 8665 sub constructaccess {
my $cacheduser='';	my $cacheduser='';
# Course for which data are being temporarily cached.	# Course for which data are being temporarily cached.
my $cachedcid='';	my $cachedcid='';
# Cached blockers for this user (a hash of blocking items).	# Cached blockers for this user (a hash of blocking items).
my %cachedblockers=();	my %cachedblockers=();
# When the data were last cached.	# When the data were last cached.
my $cachedlast='';	my $cachedlast='';

sub load_all_blockers {	sub load_all_blockers {
my ($uname,$udom)=@_;	my ($uname,$udom)=@_;
if (($uname ne '') && ($udom ne '')) {	if (($uname ne '') && ($udom ne '')) {
if (($cacheduser eq $uname.':'.$udom) &&	if (($cacheduser eq $uname.':'.$udom) &&
($cachedcid eq $env{'request.course.id'}) &&	($cachedcid eq $env{'request.course.id'}) &&
(abs($cachedlast-time)<5)) {	(abs($cachedlast-time)<5)) {
Line 8767 sub get_commblock_resources {	Line 8710 sub get_commblock_resources {
my ($blocks) = @_;	my ($blocks) = @_;
my %blockers = ();	my %blockers = ();
return %blockers unless ($env{'request.course.id'});	return %blockers unless ($env{'request.course.id'});
my $courseurl = &courseid_to_courseurl($env{'request.course.id'});	return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
if ($env{'request.course.sec'}) {
$courseurl .= '/'.$env{'request.course.sec'};
}
return %blockers if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseurl} =~/evb\&([^\:]*)/);
my %commblocks;	my %commblocks;
if (ref($blocks) eq 'HASH') {	if (ref($blocks) eq 'HASH') {
%commblocks = %{$blocks};	%commblocks = %{$blocks};
} else {	} else {
%commblocks = &get_comm_blocks();	%commblocks = &get_comm_blocks();
}	}
return %blockers unless (keys(%commblocks) > 0);	return %blockers unless (keys(%commblocks) > 0);
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
return %blockers unless (ref($navmap));	return %blockers unless (ref($navmap));
my $now = time;	my $now = time;
Line 8790 sub get_commblock_resources {	Line 8729 sub get_commblock_resources {
if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {	if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {	if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {	if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
$blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};	$blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
}	}
}	}
if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {	if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
Line 8803 sub get_commblock_resources {	Line 8742 sub get_commblock_resources {
}	}
} elsif ($block =~ /^firstaccess____(.+)$/) {	} elsif ($block =~ /^firstaccess____(.+)$/) {
my $item = $1;	my $item = $1;
	my @to_test;
if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {	if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {	if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
my (@interval,$mapname);	my @interval;
my $type = 'map';	my $type = 'map';
if ($item eq 'course') {	if ($item eq 'course') {
$type = 'course';	$type = 'course';
Line 8814 sub get_commblock_resources {	Line 8754 sub get_commblock_resources {
if ($item =~ /___\d+___/) {	if ($item =~ /___\d+___/) {
$type = 'resource';	$type = 'resource';
@interval=&EXT("resource.0.interval",$item);	@interval=&EXT("resource.0.interval",$item);
	if (ref($navmap)) {
	my $res = $navmap->getBySymb($item);
	push(@to_test,$res);
	}
} else {	} else {
$mapname = &deversion($item);	my $mapsymb = &symbread($item,1);
if (ref($navmap)) {	if ($mapsymb) {
my $timelimit = $navmap->get_mapparam(undef,$mapname,'0.interval');	if (ref($navmap)) {
@interval = ($timelimit,'map');	my $mapres = $navmap->getBySymb($mapsymb);
	if (ref($mapres)) {
	my $first = $mapres->map_start();
	my $finish = $mapres->map_finish();
	my $it = $navmap->getIterator($first,$finish,undef,0,0);
	if (ref($it)) {
	my $res;
	while ($res = $it->next(undef,1)) {
	next unless (ref($res));
	my $symb = $res->symb();
	next if (($symb eq $mapsymb) \|\| ($symb eq ''));
	@interval=&EXT("resource.0.interval",$symb);
	if ($interval[1] eq 'map') {
	if ($res->answerable()) {
	push(@to_test,$res);
	last;
	}
	}
	}
	}
	}
	}
}	}
}	}
}	}
if ($interval[0] =~ /^(\d+)/) {	if ($interval[0] =~ /^(\d+)/) {
my $timelimit = $1;	my $timelimit = $1;
my $first_access;	my $first_access;
if ($type eq 'resource') {	if ($type eq 'resource') {
$first_access=&get_first_access($interval[1],$item);	$first_access=&get_first_access($interval[1],$item);
Line 8836 sub get_commblock_resources {	Line 8801 sub get_commblock_resources {
my $timesup = $first_access+$timelimit;	my $timesup = $first_access+$timelimit;
if ($timesup > $now) {	if ($timesup > $now) {
my $activeblock;	my $activeblock;
if ($type eq 'resource') {	foreach my $res (@to_test) {
if (ref($navmap)) {	if ($res->answerable()) {
my $res = $navmap->getBySymb($item);	$activeblock = 1;
if ($res->answerable()) {	last;
$activeblock = 1;
}
}
} elsif ($type eq 'map') {
my $mapsymb = &symbread($mapname,1);
if (($mapsymb) && (ref($navmap))) {
my $mapres = $navmap->getBySymb($mapsymb);
if (ref($mapres)) {
my $first = $mapres->map_start();
my $finish = $mapres->map_finish();
my $it = $navmap->getIterator($first,$finish,undef,0,0);
if (ref($it)) {
my $res;
while ($res = $it->next(undef,1)) {
next unless (ref($res));
my $symb = $res->symb();
next if (($symb eq $mapsymb) \|\| ($symb eq ''));
@interval=&EXT("resource.0.interval",$symb);
if ($interval[1] eq 'map') {
if ($res->answerable()) {
$activeblock = 1;
last;
}
}
}
}
}
}	}
}	}
if ($activeblock) {	if ($activeblock) {
Line 8896 sub has_comm_blocking {	Line 8834 sub has_comm_blocking {
my @blockers;	my @blockers;
return unless ($env{'request.course.id'});	return unless ($env{'request.course.id'});
return unless ($priv eq 'bre');	return unless ($priv eq 'bre');
	return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
return if ($env{'request.state'} eq 'construct');	return if ($env{'request.state'} eq 'construct');
my $courseurl = &courseid_to_courseurl($env{'request.course.id'});
if ($env{'request.course.sec'}) {
$courseurl .= '/'.$env{'request.course.sec'};
}
return if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseurl} =~/evb\&([^\:]*)/);
my %blockinfo;	my %blockinfo;
if (ref($blocks) eq 'HASH') {	if (ref($blocks) eq 'HASH') {
%blockinfo = &get_commblock_resources($blocks);	%blockinfo = &get_commblock_resources($blocks);
Line 8916 sub has_comm_blocking {	Line 8850 sub has_comm_blocking {
}	}
if ($symb) {	if ($symb) {
@symbs = ($symb);	@symbs = ($symb);
} elsif (keys(%possibles)) {	} elsif (keys(%possibles)) {
@symbs = keys(%possibles);	@symbs = keys(%possibles);
}	}
my $noblock;	my $noblock;
Line 8951 sub has_comm_blocking {	Line 8885 sub has_comm_blocking {
}	}
}	}
}	}
unless ($noblock) {	unless ($noblock) {
return @blockers;	return @blockers;
}	}
return;	return;
Line 8976 sub deeplink_check {	Line 8910 sub deeplink_check {
@symbs = keys(%possibles);	@symbs = keys(%possibles);
}	}

my ($deeplink_symb,$allow);	my ($login,$switchrole,$allow);
if ($env{'request.deeplink.login'}) {	if ($env{'request.deeplink.login'} =~ m{^\Q/tiny/$cdom/\E(\w+)$}) {
$deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);	my $key = $1;
	my $tinyurl;
	my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key);
	if (defined($cached)) {
	$tinyurl = $result;
	} else {
	my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
	my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname);
	if ($currtiny{$key} ne '') {
	$tinyurl = $currtiny{$key};
	&Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600);
	}
	}
	if ($tinyurl ne '') {
	my ($cnumreq,$posslogin) = split(/\&/,$tinyurl);
	if ($cnumreq eq $cnum) {
	$login = $posslogin;
	} else {
	$switchrole = 1;
	}
	}
}	}
foreach my $symb (@symbs) {	foreach my $symb (@symbs) {
last if ($allow);	last if ($allow);
Line 8986 sub deeplink_check {	Line 8940 sub deeplink_check {
if ($deeplink eq '') {	if ($deeplink eq '') {
$allow = 1;	$allow = 1;
} else {	} else {
my ($state,$others,$listed,$scope,$protect) = split(/,/,$deeplink);	my ($listed,$scope,$access) = split(/,/,$deeplink);
if ($state ne 'only') {	if ($access eq 'any') {
$allow = 1;	$allow = 1;
} else {	} elsif ($login) {
my $check_deeplink_entry;	if ($access eq 'only') {
if ($protect ne 'none') {
my ($acctype,$item) = split(/:/,$protect);
if (($acctype eq 'ltic') && ($env{'user.linkprotector'})) {
if (grep(/^\Q$item\Ec$/,split(/,/,$env{'user.linkprotector'}))) {
$check_deeplink_entry = 1
}
} elsif (($acctype eq 'ltid') && ($env{'user.linkprotector'})) {
if (grep(/^\Q$item\Ed$/,split(/,/,$env{'user.linkprotector'}))) {
$check_deeplink_entry = 1;
}
} elsif (($acctype eq 'key') && ($env{'user.deeplinkkey'})) {
if (grep(/^\Q$item\E$/,split(/,/,$env{'user.deeplinkkey'}))) {
$check_deeplink_entry = 1;
}
}
}
if (($protect eq 'none') \|\| ($check_deeplink_entry)) {
if ($scope eq 'res') {	if ($scope eq 'res') {
if ($symb eq $deeplink_symb) {	if ($symb eq $login) {
$allow = 1;	$allow = 1;
}	}
} elsif (($scope eq 'map') \|\| ($scope eq 'rec')) {	} elsif ($scope eq 'map') {
my ($map_from_symb,$map_from_login);	#FIXME Compare map for $env{'request.deeplink.login'} with map for $symb
$map_from_symb = &deversion((&decode_symb($symb))[0]);	} elsif ($scope eq 'rec') {
if ($deeplink_symb =~ /\.(page\|sequence)$/) {	#FIXME Recurse up for $env{'request.deeplink.login'} with map for $symb
$map_from_login = &deversion((&decode_symb($deeplink_symb))[2]);	}
} else {	} else {
$map_from_login = &deversion((&decode_symb($deeplink_symb))[0]);	my ($acctype,$item) = split(/:/,$access);
	if (($acctype eq 'lti') && ($env{'user.linkprotector'})) {
	if (grep(/^\Q$item\E$/,split(/,/,$env{'user.linkprotector'}))) {
	my %tinyurls = &get('tiny',[$symb],$cdom,$cnum);
	if (grep(/\Q$tinyurls{$symb}\E$/,split(/,/,$env{'user.linkproturis'}))) {
	$allow = 1;
	}
}	}
if (($map_from_symb) && ($map_from_login)) {	} elsif (($acctype eq 'key') && ($env{'user.deeplinkkey'})) {
if ($map_from_symb eq $map_from_login) {	if (grep(/^\Q$item\E$/,split(/,/,$env{'user.deeplinkkey'}))) {
	my %tinyurls = &get('tiny',[$symb],$cdom,$cnum);
	if (grep(/\Q$tinyurls{$symb}\E$/,split(/,/,$env{'user.keyedlinkuri'}))) {
$allow = 1;	$allow = 1;
} elsif ($scope eq 'rec') {
my @recurseup = &get_map_hierarchy($map_from_symb,$env{'request.course.id'});
if (grep(/^\Q$map_from_login\E$/,@recurseup)) {
$allow = 1;
}
}	}
}	}
}	}
Line 9039 sub deeplink_check {	Line 8979 sub deeplink_check {
return 1;	return 1;
}	}

# -------------------------------- Deversion and split uri into path an filename	# -------------------------------- Deversion and split uri into path an filename

#	#
# Removes the version from a URI and	# Removes the version from a URI and
Line 9165 sub metadata_query {	Line 9105 sub metadata_query {
my @server_list = (defined($server_array) ? @$server_array	my @server_list = (defined($server_array) ? @$server_array
: keys(%libserv) );	: keys(%libserv) );
for my $server (@server_list) {	for my $server (@server_list) {
my $domains = '';	my $domains = '';
if (ref($domains_hash) eq 'HASH') {	if (ref($domains_hash) eq 'HASH') {
$domains = $domains_hash->{$server};	$domains = $domains_hash->{$server};
}	}
unless ($custom or $customshow) {	unless ($custom or $customshow) {
my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);	my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);
Line 9300 sub fetch_enrollment_query {	Line 9240 sub fetch_enrollment_query {
}	}

sub get_query_reply {	sub get_query_reply {
my ($queryid,$sleep,$loopmax) = @_;	my ($queryid,$sleep,$loopmax) = @_;;
if (($sleep eq '') \|\| ($sleep !~ /^\d+\.?\d*$/)) {	if (($sleep eq '') \|\| ($sleep !~ /^\d+\.?\d*$/)) {
$sleep = 0.2;	$sleep = 0.2;
}	}
Line 9433 sub auto_validate_instcode {	Line 9373 sub auto_validate_instcode {
return ($outcome,$description,$defaultcredits);	return ($outcome,$description,$defaultcredits);
}	}

sub auto_validate_inst_crosslist {
my ($cnum,$cdom,$instcode,$inst_xlist,$coowner) = @_;
my ($homeserver,$response);
if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
$homeserver = &homeserver($cnum,$cdom);
}
if (!defined($homeserver)) {
if ($cdom =~ /^$match_domain$/) {
$homeserver = &domain($cdom,'primary');
}
}
unless (($homeserver eq '') \|\| ($homeserver eq 'no_host')) {
$response=&reply('autovalidateinstcrosslist:'.$cdom.':'.
&escape($instcode).':'.&escape($inst_xlist).':'.
&escape($coowner),$homeserver);
}
return $response;
}

sub auto_create_password {	sub auto_create_password {
my ($cnum,$cdom,$authparam,$udom) = @_;	my ($cnum,$cdom,$authparam,$udom) = @_;
my ($homeserver,$response);	my ($homeserver,$response);
Line 9723 sub auto_validate_class_sec {	Line 9644 sub auto_validate_class_sec {
return $response;	return $response;
}	}

sub auto_instsec_reformat {
my ($cdom,$action,$instsecref) = @_;
return unless(($action eq 'clutter') \|\| ($action eq 'declutter'));
my @homeservers;
if (defined(&domain($cdom,'primary'))) {
push(@homeservers,&domain($cdom,'primary'));
} else {
my %servers = &get_servers($cdom,'library');
foreach my $tryserver (keys(%servers)) {
if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
push(@homeservers,$tryserver);
}
}
}
my $response;
my %reformatted = %{$instsecref};
foreach my $server (@homeservers) {
if (ref($instsecref) eq 'HASH') {
my $info = &freeze_escape($instsecref);
my $response=&reply('autoinstsecreformat:'.$cdom.':'.
$action.':'.$info,$server);
next if ($response =~ /(con_lost\|error\|no_such_host\|refused\|unknown_command)/);
my @items = split(/&/,$response);
foreach my $item (@items) {
my ($key,$value) = split(/=/,$item);
$reformatted{&unescape($key)} = &thaw_unescape($value);
}
}
}
return %reformatted;
}

sub auto_validate_instclasses {	sub auto_validate_instclasses {
my ($cdom,$cnum,$owners,$classesref) = @_;	my ($cdom,$cnum,$owners,$classesref) = @_;
my ($homeserver,%validations);	my ($homeserver,%validations);
Line 9798 sub auto_crsreq_update {	Line 9687 sub auto_crsreq_update {
':'.&escape($action).':'.&escape($ownername).':'.	':'.&escape($action).':'.&escape($ownername).':'.
&escape($ownerdomain).':'.&escape($fullname).':'.	&escape($ownerdomain).':'.&escape($fullname).':'.
&escape($title).':'.&escape($code).':'.	&escape($title).':'.&escape($code).':'.
&escape($accessstart).':'.&escape($accessend).':'.$info,$homeserver);	&escape($accessstart).':'.&escape($accessend).':'.$info,
	$homeserver);
unless ($response =~ /(con_lost\|error\|no_such_host\|refused)/) {	unless ($response =~ /(con_lost\|error\|no_such_host\|refused)/) {
my @items = split(/&/,$response);	my @items = split(/&/,$response);
foreach my $item (@items) {	foreach my $item (@items) {
Line 10058 sub plaintext {	Line 9948 sub plaintext {
my %rolenames = (	my %rolenames = (
Course => 'std',	Course => 'std',
Community => 'alt1',	Community => 'alt1',
	Placement => 'std',
);	);
if ($cid ne '') {	if ($cid ne '') {
if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {	if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {
Line 10139 sub assignrole {	Line 10030 sub assignrole {
}	}
if ($refused) {	if ($refused) {
my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});	my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
if (!$selfenroll && $context eq 'course') {	if (!$selfenroll && (($context eq 'course') \|\| ($context eq 'ltienroll' && $env{'request.lti.login'}))) {
my %crsenv;	my %crsenv;
if ($role eq 'cc' \|\| $role eq 'co') {	if ($role eq 'cc' \|\| $role eq 'co') {
%crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));	%crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
Line 10159 sub assignrole {	Line 10050 sub assignrole {
}	}
}	}
}	}
} elsif (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {	} elsif (($selfenroll == 1) && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
$refused = '';	if ($role eq 'st') {
	$refused = '';
	} elsif (($context eq 'ltienroll') && ($env{'request.lti.login'})) {
	$refused = '';
	}
} elsif ($context eq 'requestcourses') {	} elsif ($context eq 'requestcourses') {
my @possroles = ('st','ta','ep','in','cc','co');	my @possroles = ('st','ta','ep','in','cc','co');
if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {	if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
Line 10179 sub assignrole {	Line 10074 sub assignrole {
}	}
}	}
} elsif ($context eq 'requestauthor') {	} elsif ($context eq 'requestauthor') {
if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&	if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
($url eq '/'.$udom.'/') && ($role eq 'au')) {	($url eq '/'.$udom.'/') && ($role eq 'au')) {
if ($env{'environment.requestauthor'} eq 'automatic') {	if ($env{'environment.requestauthor'} eq 'automatic') {
$refused = '';	$refused = '';
Line 10187 sub assignrole {	Line 10082 sub assignrole {
my %domdefaults = &get_domain_defaults($udom);	my %domdefaults = &get_domain_defaults($udom);
if (ref($domdefaults{'requestauthor'}) eq 'HASH') {	if (ref($domdefaults{'requestauthor'}) eq 'HASH') {
my $checkbystatus;	my $checkbystatus;
if ($env{'user.adv'}) {	if ($env{'user.adv'}) {
my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'};	my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'};
if ($disposition eq 'automatic') {	if ($disposition eq 'automatic') {
$refused = '';	$refused = '';
} elsif ($disposition eq '') {	} elsif ($disposition eq '') {
$checkbystatus = 1;	$checkbystatus = 1;
}	}
} else {	} else {
$checkbystatus = 1;	$checkbystatus = 1;
}	}
Line 10281 sub assignrole {	Line 10176 sub assignrole {
$context);	$context);
} elsif (($role eq 'ca') \|\| ($role eq 'aa')) {	} elsif (($role eq 'ca') \|\| ($role eq 'aa')) {
&coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,	&coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
$context);	$context);
}	}
if ($role eq 'cc') {	if ($role eq 'cc') {
&autoupdate_coowners($url,$end,$start,$uname,$udom);	&autoupdate_coowners($url,$end,$start,$uname,$udom);
Line 10299 sub autoupdate_coowners {	Line 10194 sub autoupdate_coowners {
if ($domdesign{$cdom.'.autoassign.co-owners'}) {	if ($domdesign{$cdom.'.autoassign.co-owners'}) {
my %coursehash = &coursedescription($cdom.'_'.$cnum);	my %coursehash = &coursedescription($cdom.'_'.$cnum);
my $instcode = $coursehash{'internal.coursecode'};	my $instcode = $coursehash{'internal.coursecode'};
my $xlists = $coursehash{'internal.crosslistings'};
if ($instcode ne '') {	if ($instcode ne '') {
if (($start && $start <= $now) && ($end == 0) \|\| ($end > $now)) {	if (($start && $start <= $now) && ($end == 0) \|\| ($end > $now)) {
unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {	unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);	my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);	my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
unless ($result eq 'valid') {
if ($xlists ne '') {
foreach my $xlist (split(',',$xlists)) {
my ($inst_crosslist,$lcsec) = split(':',$xlist);
$result =
&auto_validate_inst_crosslist($cnum,$cdom,$instcode,
$inst_crosslist,$uname.':'.$udom);
last if ($result eq 'valid');
}
}
}
if ($result eq 'valid') {	if ($result eq 'valid') {
if ($coursehash{'internal.co-owners'}) {	if ($coursehash{'internal.co-owners'}) {
foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {	foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
Line 10328 sub autoupdate_coowners {	Line 10211 sub autoupdate_coowners {
} else {	} else {
push(@newcoowners,$uname.':'.$udom);	push(@newcoowners,$uname.':'.$udom);
}	}
} elsif ($coursehash{'internal.co-owners'}) {	} else {
foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {	if ($coursehash{'internal.co-owners'}) {
unless ($coowner eq $uname.':'.$udom) {	foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
push(@newcoowners,$coowner);	unless ($coowner eq $uname.':'.$udom) {
	push(@newcoowners,$coowner);
	}
	}
	unless (@newcoowners > 0) {
	$delcoowners = 1;
	$coowners = '';
}	}
}
unless (@newcoowners > 0) {
$delcoowners = 1;
$coowners = '';
}	}
}	}
if (@newcoowners \|\| $delcoowners) {	if (@newcoowners \|\| $delcoowners) {
Line 10411 sub modifyuserauth {	Line 10296 sub modifyuserauth {
' in domain '.$env{'request.role.domain'});	' in domain '.$env{'request.role.domain'});
my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.	my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
&escape($upass),$uhome);	&escape($upass),$uhome);
my $ip = &get_requestor_ip();
&log($env{'user.domain'},$env{'user.name'},$env{'user.home'},	&log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
'Authentication changed for '.$udom.', '.$uname.', '.$umode.	'Authentication changed for '.$udom.', '.$uname.', '.$umode.
'(Remote '.$ip.'): '.$reply);	'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
&log($udom,,$uname,$uhome,	&log($udom,,$uname,$uhome,
'Authentication changed by '.$env{'user.domain'}.', '.	'Authentication changed by '.$env{'user.domain'}.', '.
$env{'user.name'}.', '.$umode.	$env{'user.name'}.', '.$umode.
'(Remote '.$ip.'): '.$reply);	'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
unless ($reply eq 'ok') {	unless ($reply eq 'ok') {
&logthis('Authentication mode error: '.$reply);	&logthis('Authentication mode error: '.$reply);
return 'error: '.$reply;	return 'error: '.$reply;
Line 10452 sub modifyuser {	Line 10336 sub modifyuser {
my $newuser;	my $newuser;
if ($uhome eq 'no_host') {	if ($uhome eq 'no_host') {
$newuser = 1;	$newuser = 1;
	unless (($umode && ($upass ne '')) \|\| ($umode eq 'localauth') \|\|
	($umode eq 'lti')) {
	return 'error: more information needed to create new user';
	}
}	}
# ----------------------------------------------------------------- Create User	# ----------------------------------------------------------------- Create User
if (($uhome eq 'no_host') &&	if (($uhome eq 'no_host') &&
(($umode && $upass) \|\| ($umode eq 'localauth'))) {	(($umode && $upass) \|\| ($umode eq 'localauth') \|\| ($umode eq 'lti'))) {
my $unhome='';	my $unhome='';
if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {	if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {
$unhome = $desiredhome;	$unhome = $desiredhome;
Line 10497 sub modifyuser {	Line 10385 sub modifyuser {
'current user id "'.$uidhash{$uname}.'".';	'current user id "'.$uidhash{$uname}.'".';
}	}
} else {	} else {
&idput($udom,($uname => $uid));	&idput($udom,{$uname => $uid},$uhome,'ids');
}	}
}	}
# -------------------------------------------------------------- Add names, etc	# -------------------------------------------------------------- Add names, etc
Line 10622 sub modifystudent {	Line 10510 sub modifystudent {
# student's environment	# student's environment
$uid = undef if (!$forceid);	$uid = undef if (!$forceid);
$reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,	$reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,
$gene,$usec,$end,$start,$type,$locktype,	$gene,$usec,$end,$start,$type,$locktype,
$cid,$selfenroll,$context,$credits,$instsec);	$cid,$selfenroll,$context,$credits,$instsec);
return $reply;	return $reply;
}	}
Line 10904 sub generate_coursenum {	Line 10792 sub generate_coursenum {
sub is_course {	sub is_course {
my ($cdom, $cnum) = scalar(@_) == 1 ?	my ($cdom, $cnum) = scalar(@_) == 1 ?
($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;	($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;

return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/));	return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/));
my $uhome=&homeserver($cnum,$cdom);	my $uhome=&homeserver($cnum,$cdom);
my $iscourse;	my $iscourse;
Line 10922 sub is_course {	Line 10811 sub is_course {
&do_cache_new('iscourse',$hashid,$iscourse,3600);	&do_cache_new('iscourse',$hashid,$iscourse,3600);
}	}
}	}
return unless($iscourse);	return unless ($iscourse);
return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;	return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;
}	}

Line 10939 sub store_userdata {	Line 10828 sub store_userdata {
if (($uhome eq '') \|\| ($uhome eq 'no_host')) {	if (($uhome eq '') \|\| ($uhome eq 'no_host')) {
$result = 'error: no_host';	$result = 'error: no_host';
} else {	} else {
$storehash->{'ip'} = &get_requestor_ip();	$storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
$storehash->{'host'} = $perlvar{'lonHostID'};	$storehash->{'host'} = $perlvar{'lonHostID'};

my $namevalue='';	my $namevalue='';
Line 11121 sub files_not_in_path {	Line 11010 sub files_not_in_path {
return (@return_files);	return (@return_files);
}	}

	#------------------------------Submitted/Handedback Portfolio Files Versioning

	sub portfiles_versioning {
	my ($symb,$domain,$stu_name,$portfiles,$versioned_portfiles) = @_;
	my $portfolio_root = '/userfiles/portfolio';
	return unless ((ref($portfiles) eq 'ARRAY') && (ref($versioned_portfiles) eq 'ARRAY'));
	foreach my $file (@{$portfiles}) {
	&unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
	my ($directory,$answer_file) =($file =~ /^(.?)([^\/])$/);
	my ($answer_name,$answer_ver,$answer_ext) = &file_name_version_ext($answer_file);
	my $getpropath = 1;
	my ($dir_list,$listerror) = &dirlist($portfolio_root.$directory,$domain,
	$stu_name,$getpropath);
	my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
	my $new_answer =
	&version_selected_portfile($domain,$stu_name,$directory,$answer_file,$version);
	if ($new_answer ne 'problem getting file') {
	push(@{$versioned_portfiles}, $directory.$new_answer);
	&mark_as_readonly($domain,$stu_name,[$directory.$new_answer],
	[$symb,$env{'request.course.id'},'graded']);
	}
	}
	}

	sub get_next_version {
	my ($answer_name, $answer_ext, $dir_list) = @_;
	my $version;
	if (ref($dir_list) eq 'ARRAY') {
	foreach my $row (@{$dir_list}) {
	my ($file) = split(/\&/,$row,2);
	my ($file_name,$file_version,$file_ext) =
	&file_name_version_ext($file);
	if (($file_name eq $answer_name) &&
	($file_ext eq $answer_ext)) {
	# gets here if filename and extension match,
	# regardless of version
	if ($file_version ne '') {
	# a versioned file is found so save it for later
	if ($file_version > $version) {
	$version = $file_version;
	}
	}
	}
	}
	}
	$version ++;
	return($version);
	}

	sub version_selected_portfile {
	my ($domain,$stu_name,$directory,$file_name,$version) = @_;
	my ($answer_name,$answer_ver,$answer_ext) =
	&file_name_version_ext($file_name);
	my $new_answer;
	$env{'form.copy'} =
	&getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
	if($env{'form.copy'} eq '-1') {
	$new_answer = 'problem getting file';
	} else {
	$new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
	my $copy_result =
	&finishuserfileupload($stu_name,$domain,'copy',
	'/portfolio'.$directory.$new_answer);
	}
	undef($env{'form.copy'});
	return ($new_answer);
	}

	sub file_name_version_ext {
	my ($file)=@_;
	my @file_parts = split(/\./, $file);
	my ($name,$version,$ext);
	if (@file_parts > 1) {
	$ext=pop(@file_parts);
	if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
	$version=pop(@file_parts);
	}
	$name=join('.',@file_parts);
	} else {
	$name=join('.',@file_parts);
	}
	return($name,$version,$ext);
	}

#----------------------------------------------Get portfolio file permissions	#----------------------------------------------Get portfolio file permissions

sub get_portfile_permissions {	sub get_portfile_permissions {
Line 11265 sub modify_access_controls {	Line 11238 sub modify_access_controls {
}	}

sub make_public_indefinitely {	sub make_public_indefinitely {
my ($requrl) = @_;	my (@requrl) = @_;
	return &automated_portfile_access('public',\@requrl);
	}

	sub automated_portfile_access {
	my ($accesstype,$addsref,$delsref,$info) = @_;
	unless (($accesstype eq 'public') \|\| ($accesstype eq 'ip')) {
	return 'invalid';
	}
	my %urls;
	if (ref($addsref) eq 'ARRAY') {
	foreach my $requrl (@{$addsref}) {
	if (&is_portfolio_url($requrl)) {
	unless (exists($urls{$requrl})) {
	$urls{$requrl} = 'add';
	}
	}
	}
	}
	if (ref($delsref) eq 'ARRAY') {
	foreach my $requrl (@{$delsref}) {
	if (&is_portfolio_url($requrl)) {
	unless (exists($urls{$requrl})) {
	$urls{$requrl} = 'delete';
	}
	}
	}
	}
	unless (keys(%urls)) {
	return 'invalid';
	}
	my $ip;
	if ($accesstype eq 'ip') {
	if (ref($info) eq 'HASH') {
	if ($info->{'ip'} ne '') {
	$ip = $info->{'ip'};
	}
	}
	if ($ip eq '') {
	return 'invalid';
	}
	}
	my $errors;
my $now = time;	my $now = time;
my $action = 'activate';	my %current_perms;
my $aclnum = 0;	foreach my $requrl (sort(keys(%urls))) {
if (&is_portfolio_url($requrl)) {	my $action;
	if ($urls{$requrl} eq 'add') {
	$action = 'activate';
	} else {
	$action = 'none';
	}
	my $aclnum = 0;
my (undef,$udom,$unum,$file_name,$group) =	my (undef,$udom,$unum,$file_name,$group) =
&parse_portfolio_url($requrl);	&parse_portfolio_url($requrl);
my $current_perms = &get_portfile_permissions($udom,$unum);	unless (exists($current_perms{$unum.':'.$udom})) {
my %access_controls = &get_access_controls($current_perms,	$current_perms{$unum.':'.$udom} = &get_portfile_permissions($udom,$unum);
	}
	my %access_controls = &get_access_controls($current_perms{$unum.':'.$udom},
$group,$file_name);	$group,$file_name);
foreach my $key (keys(%{$access_controls{$file_name}})) {	foreach my $key (keys(%{$access_controls{$file_name}})) {
my ($num,$scope,$end,$start) =	my ($num,$scope,$end,$start) =
($key =~ /^([^:]+):([a-z]+)_(\d)_?(\d)$/);	($key =~ /^([^:]+):([a-z]+)_(\d)_?(\d)$/);
if ($scope eq 'public') {	if ($scope eq $accesstype) {
if ($start <= $now && $end == 0) {	if (($start <= $now) && ($end == 0)) {
$action = 'none';	if ($accesstype eq 'ip') {
} else {	if (ref($access_controls{$file_name}{$key}) eq 'HASH') {
	if (ref($access_controls{$file_name}{$key}{'ip'}) eq 'ARRAY') {
	if (grep(/^\Q$ip\E$/,@{$access_controls{$file_name}{$key}{'ip'}})) {
	if ($urls{$requrl} eq 'add') {
	$action = 'none';
	last;
	} else {
	$action = 'delete';
	$aclnum = $num;
	last;
	}
	}
	}
	}
	} elsif ($accesstype eq 'public') {
	if ($urls{$requrl} eq 'add') {
	$action = 'none';
	last;
	} else {
	$action = 'delete';
	$aclnum = $num;
	last;
	}
	}
	} elsif ($accesstype eq 'public') {
$action = 'update';	$action = 'update';
$aclnum = $num;	$aclnum = $num;
	last;
}	}
last;
}	}
}	}
if ($action eq 'none') {	if ($action eq 'none') {
return 'ok';	next;
} else {	} else {
my %changes;	my %changes;
my $newend = 0;	my $newend = 0;
my $newstart = $now;	my $newstart = $now;
my $newkey = $aclnum.':public_'.$newend.'_'.$newstart;	my $newkey = $aclnum.':'.$accesstype.'_'.$newend.'_'.$newstart;
$changes{$action}{$newkey} = {	$changes{$action}{$newkey} = {
type => 'public',	type => $accesstype,
time => {	time => {
start => $newstart,	start => $newstart,
end => $newend,	end => $newend,
},	},
};	};
	if ($accesstype eq 'ip') {
	$changes{$action}{$newkey}{'ip'} = [$ip];
	}
my ($outcome,$deloutcome,$new_values,$translation) =	my ($outcome,$deloutcome,$new_values,$translation) =
&modify_access_controls($file_name,\%changes,$udom,$unum);	&modify_access_controls($file_name,\%changes,$udom,$unum);
return $outcome;	unless ($outcome eq 'ok') {
	$errors .= $outcome.' ';
	}
}	}
	}
	if ($errors) {
	$errors =~ s/\s$//;
	return $errors;
} else {	} else {
return 'invalid';	return 'ok';
}	}
}	}

Line 11512 sub dirlist {	Line 11568 sub dirlist {
foreach my $user (sort(keys(%allusers))) {	foreach my $user (sort(keys(%allusers))) {
push(@alluserslist,$user.'&user');	push(@alluserslist,$user.'&user');
}	}

if (!%listerror) {	if (!%listerror) {
# no errors	# no errors
return (\@alluserslist);	return (\@alluserslist);
} elsif (scalar(keys(%servers)) == 1) {	} elsif (scalar(keys(%servers)) == 1) {
# one library server, one error	# one library server, one error
my ($key) = keys(%listerror);	my ($key) = keys(%listerror);
return (\@alluserslist, $listerror{$key});	return (\@alluserslist, $listerror{$key});
} elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {	} elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {
Line 11525 sub dirlist {	Line 11582 sub dirlist {
return (\@alluserslist, 'con_lost');	return (\@alluserslist, 'con_lost');
} else {	} else {
# multiple library servers and no con_lost -> data should be	# multiple library servers and no con_lost -> data should be
# complete.	# complete.
return (\@alluserslist);	return (\@alluserslist);
}	}

Line 11601 sub stat_file {	Line 11658 sub stat_file {
return ();	return ();
}	}

	# --------------------------------------------------------- recursedirs
	# Recursive function to traverse either a specific user's Authoring Space
	# or corresponding Published Resource Space, and populate the hash ref:
	# $dirhashref with URLs of all directories, and if $filehashref hash
	# ref arg is provided, the URLs of any files, excluding versioned, .meta,
	# or .rights files in resource space, and .meta, .save, .log, and .bak
	# files in Authoring Space.
	#
	# Inputs:
	#
	# $is_home - true if current server is home server for user's space
	# $context - either: priv, or res respectively for Authoring or Resource Space.
	# $docroot - Document root (i.e., /home/httpd/html
	# $toppath - Top level directory (i.e., /res/$dom/$uname or /priv/$dom/$uname
	# $relpath - Current path (relative to top level).
	# $dirhashref - reference to hash to populate with URLs of directories (Required)
	# $filehashref - reference to hash to populate with URLs of files (Optional)
	#
	# Returns: nothing
	#
	# Side Effects: populates $dirhashref, and $filehashref (if provided).
	#
	# Currently used by interface/londocs.pm to create linked select boxes for
	# directory and filename to import a Course "Author" resource into a course, and
	# also to create linked select boxes for Authoring Space and Directory to choose
	# save location for creation of a new "standard" problem from the Course Editor.
	#

	sub recursedirs {
	my ($is_home,$context,$docroot,$toppath,$relpath,$dirhashref,$filehashref) = @_;
	return unless (ref($dirhashref) eq 'HASH');
	my $currpath = $docroot.$toppath;
	if ($relpath) {
	$currpath .= "/$relpath";
	}
	my $savefile;
	if (ref($filehashref)) {
	$savefile = 1;
	}
	if ($is_home) {
	if (opendir(my $dirh,$currpath)) {
	foreach my $item (sort { lc($a) cmp lc($b) } grep(!/^\.+$/,readdir($dirh))) {
	next if ($item eq '');
	if (-d "$currpath/$item") {
	my $newpath;
	if ($relpath) {
	$newpath = "$relpath/$item";
	} else {
	$newpath = $item;
	}
	$dirhashref->{&Apache::lonlocal::js_escape($newpath)} = 1;
	&recursedirs($is_home,$context,$docroot,$toppath,$newpath,$dirhashref,$filehashref);
	} elsif ($savefile) {
	if ($context eq 'priv') {
	unless ($item =~ /\.(meta\|save\|log\|bak\|DS_Store)$/) {
	$filehashref->{&Apache::lonlocal::js_escape($relpath)}{$item} = 1;
	}
	} else {
	unless (($item =~ /\.meta$/) \|\| ($item =~ /\.\d+\.\w+$/) \|\| ($item =~ /\.rights$/)) {
	$filehashref->{&Apache::lonlocal::js_escape($relpath)}{$item} = 1;
	}
	}
	}
	}
	closedir($dirh);
	}
	} else {
	my ($dirlistref,$listerror) =
	&dirlist($toppath.$relpath);
	my @dir_lines;
	my $dirptr=16384;
	if (ref($dirlistref) eq 'ARRAY') {
	foreach my $dir_line (sort
	{
	my ($afile)=split('&',$a,2);
	my ($bfile)=split('&',$b,2);
	return (lc($afile) cmp lc($bfile));
	} (@{$dirlistref})) {
	my ($item,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef) =
	split(/\&/,$dir_line,16);
	$item =~ s/\s+$//;
	next if (($item =~ /^\.\.?$/) \|\| ($obs));
	if ($dirptr&$testdir) {
	my $newpath;
	if ($relpath) {
	$newpath = "$relpath/$item";
	} else {
	$relpath = '/';
	$newpath = $item;
	}
	$dirhashref->{&Apache::lonlocal::js_escape($newpath)} = 1;
	&recursedirs($is_home,$context,$docroot,$toppath,$newpath,$dirhashref,$filehashref);
	} elsif ($savefile) {
	if ($context eq 'priv') {
	unless ($item =~ /\.(meta\|save\|log\|bak\|DS_Store)$/) {
	$filehashref->{$relpath}{$item} = 1;
	}
	} else {
	unless (($item =~ /\.meta$/) \|\| ($item =~ /\.\d+\.\w+$/)) {
	$filehashref->{$relpath}{$item} = 1;
	}
	}
	}
	}
	}
	}
	return;
	}

# -------------------------------------------------------- Value of a Condition	# -------------------------------------------------------- Value of a Condition

# gets the value of a specific preevaluated condition	# gets the value of a specific preevaluated condition
Line 11764 sub get_userresdata {	Line 11930 sub get_userresdata {
# Parameters:	# Parameters:
# $name - Course/user name.	# $name - Course/user name.
# $domain - Name of the domain the user/course is registered on.	# $domain - Name of the domain the user/course is registered on.
# $type - Type of thing $name is (must be 'course' or 'user'	# $type - Type of thing $name is (must be 'course' or 'user')
	# $mapp - decluttered URL of enclosing map
	# $recursed - Ref to scalar -- set to 1, if nested maps have been recursed.
	# $recurseup - Ref to array of map URLs, starting with map containing
	# $mapp up through hierarchy of nested maps to top level map.
	# $courseid - CourseID (first part of param identifier).
	# $modifier - Middle part of param identifier.
	# $what - Last part of param identifier.
# @which - Array of names of resources desired.	# @which - Array of names of resources desired.
# Returns:	# Returns:
# The value of the first reasource in @which that is found in the	# The value of the first reasource in @which that is found in the
Line 11774 sub get_userresdata {	Line 11947 sub get_userresdata {
# 'user', an undefined reference is returned.	# 'user', an undefined reference is returned.
# If none of the resources are found, an undef is returned	# If none of the resources are found, an undef is returned
sub resdata {	sub resdata {
my ($name,$domain,$type,@which)=@_;	my ($name,$domain,$type,$mapp,$recursed,$recurseup,$courseid,
	$modifier,$what,@which)=@_;
my $result;	my $result;
if ($type eq 'course') {	if ($type eq 'course') {
$result=&get_courseresdata($name,$domain);	$result=&get_courseresdata($name,$domain);
Line 11783 sub resdata {	Line 11957 sub resdata {
}	}
if (!ref($result)) { return $result; }	if (!ref($result)) { return $result; }
foreach my $item (@which) {	foreach my $item (@which) {
if (defined($result->{$item->[0]})) {	if ($item->[1] eq 'course') {
	if ((ref($recurseup) eq 'ARRAY') && (ref($recursed) eq 'SCALAR')) {
	unless ($$recursed) {
	@{$recurseup} = &get_map_hierarchy($mapp,$courseid);
	$$recursed = 1;
	}
	foreach my $item (@${recurseup}) {
	my $norecursechk=$courseid.$modifier.$item.'___(all).'.$what;
	last if (defined($result->{$norecursechk}));
	my $recursechk=$courseid.$modifier.$item.'___(rec).'.$what;
	if (defined($result->{$recursechk})) { return [$result->{$recursechk},'map']; }
	}
	}
	}
	if (defined($result->{$item->[0]})) {
return [$result->{$item->[0]},$item->[1]];	return [$result->{$item->[0]},$item->[1]];
}	}
}	}
Line 11792 sub resdata {	Line 11980 sub resdata {

sub get_domain_lti {	sub get_domain_lti {
my ($cdom,$context) = @_;	my ($cdom,$context) = @_;
my ($name,$cachename,%lti);	my ($name,%lti);
if ($context eq 'consumer') {	if ($context eq 'consumer') {
$name = 'ltitools';	$name = 'ltitools';
} elsif ($context eq 'provider') {	} elsif ($context eq 'provider') {
$name = 'lti';	$name = 'lti';
} elsif ($context eq 'linkprot') {
$name = 'ltisec';
} else {	} else {
return %lti;	return %lti;
}	}
	my ($result,$cached)=&is_cached_new($name,$cdom);
if ($context eq 'linkprot') {
$cachename = $context;
} else {
$cachename = $name;
}

my ($result,$cached)=&is_cached_new($cachename,$cdom);
if (defined($cached)) {	if (defined($cached)) {
if (ref($result) eq 'HASH') {	if (ref($result) eq 'HASH') {
%lti = %{$result};	%lti = %{$result};
Line 11817 sub get_domain_lti {	Line 11996 sub get_domain_lti {
} else {	} else {
my %domconfig = &get_dom('configuration',[$name],$cdom);	my %domconfig = &get_dom('configuration',[$name],$cdom);
if (ref($domconfig{$name}) eq 'HASH') {	if (ref($domconfig{$name}) eq 'HASH') {
if ($context eq 'linkprot') {	%lti = %{$domconfig{$name}};
if (ref($domconfig{$name}{'linkprot'}) eq 'HASH') {	my %encdomconfig = &get_dom('encconfig',[$name],$cdom);
%lti = %{$domconfig{$name}{'linkprot'}};	if (ref($encdomconfig{$name}) eq 'HASH') {
}	foreach my $id (keys(%lti)) {
} else {	if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
%lti = %{$domconfig{$name}};	foreach my $item ('key','secret') {
}	$lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
if (($context eq 'consumer') && (keys(%lti))) {
my %encdomconfig = &get_dom('encconfig',[$name],$cdom,undef,1);
if (ref($encdomconfig{$name}) eq 'HASH') {
foreach my $id (keys(%lti)) {
if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
foreach my $item ('key','secret') {
$lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
}
}	}
}	}
}	}
}	}
}	}
my $cachetime = 246060;	my $cachetime = 246060;
&do_cache_new($cachename,$cdom,\%lti,$cachetime);	&do_cache_new($name,$cdom,\%lti,$cachetime);
}	}
return %lti;	return %lti;
}	}

sub get_course_lti {
my ($cnum,$cdom) = @_;
my $hashid=$cdom.'_'.$cnum;
my %courselti;
my ($result,$cached)=&is_cached_new('courselti',$hashid);
if (defined($cached)) {
if (ref($result) eq 'HASH') {
%courselti = %{$result};
}
} else {
%courselti = &dump('lti',$cdom,$cnum,undef,undef,undef,1);
my $cachetime = 246060;
&do_cache_new('courselti',$hashid,\%courselti,$cachetime);
}
return %courselti;
}

sub courselti_itemid {
my ($cnum,$cdom,$url,$method,$params,$context) = @_;
my ($chome,$itemid);
$chome = &homeserver($cnum,$cdom);
return if ($chome eq 'no_host');
if (ref($params) eq 'HASH') {
my $items = &freeze_escape($params);
my $rep;
if (grep { $_ eq $chome } current_machine_ids()) {
$rep = LONCAPA::Lond::crslti_itemid($cdom,$cnum,$url,$method,$params,$perlvar{'lonVersion'});
} else {
my $escurl = &escape($url);
my $escmethod = &escape($method);
my $items = &freeze_escape($params);
$rep = &reply("encrypt:lti:$cdom:$cnum:$context:$escurl:$escmethod:$items",$chome);
}
unless (($rep=~/^(refused\|rejected\|error)/) \|\| ($rep eq 'con_lost') \|\|
($rep eq 'unknown_cmd')) {
$itemid = $rep;
}
}
return $itemid;
}

sub domainlti_itemid {
my ($cdom,$url,$method,$params,$context) = @_;
my ($primary_id,$itemid);
$primary_id = &domain($cdom,'primary');
return if ($primary_id eq '');
if (ref($params) eq 'HASH') {
my $items = &freeze_escape($params);
my $rep;
if (grep { $_ eq $primary_id } current_machine_ids()) {
$rep = LONCAPA::Lond::domlti_itemid($cdom,$context,$url,$method,$params,$perlvar{'lonVersion'});
} else {
my $cnum = '';
my $escurl = &escape($url);
my $escmethod = &escape($method);
my $items = &freeze_escape($params);
$rep = &reply("encrypt:lti:$cdom:$cnum:$context:$escurl:$escmethod:$items",$primary_id);
}
unless (($rep=~/^(refused\|rejected\|error)/) \|\| ($rep eq 'con_lost') \|\|
($rep eq 'unknown_cmd')) {
$itemid = $rep;
}
}
return $itemid;
}

sub get_numsuppfiles {	sub get_numsuppfiles {
my ($cnum,$cdom,$ignorecache)=@_;	my ($cnum,$cdom,$ignorecache)=@_;
my $hashid=$cnum.':'.$cdom;	my $hashid=$cnum.':'.$cdom;
Line 11919 sub get_numsuppfiles {	Line 12024 sub get_numsuppfiles {
unless (defined($cached)) {	unless (defined($cached)) {
my $chome=&homeserver($cnum,$cdom);	my $chome=&homeserver($cnum,$cdom);
unless ($chome eq 'no_host') {	unless ($chome eq 'no_host') {
($suppcount,my $errors) = (0,0);	($suppcount,my $supptools,my $errors) = (0,0,0);
my $suppmap = 'supplemental.sequence';	my $suppmap = 'supplemental.sequence';
($suppcount,$errors) =	($suppcount,$supptools,$errors) =
&Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,$errors);	&Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,
	$supptools,$errors);
}	}
&do_cache_new('suppcount',$hashid,$suppcount,600);	&do_cache_new('suppcount',$hashid,$suppcount,600);
}	}
Line 11999 sub EXT {	Line 12105 sub EXT {
if ( (defined($Apache::lonhomework::parsing_a_problem)	if ( (defined($Apache::lonhomework::parsing_a_problem)
\|\| defined($Apache::lonhomework::parsing_a_task))	\|\| defined($Apache::lonhomework::parsing_a_task))
&&	&&
($symbparm eq &symbread()) ) {	($symbparm eq &symbread()) ) {
# if we are in the middle of processing the resource the	# if we are in the middle of processing the resource the
# get the value we are planning on committing	# get the value we are planning on committing
if (defined($Apache::lonhomework::results{$qualifierrest})) {	if (defined($Apache::lonhomework::results{$qualifierrest})) {
Line 12120 sub EXT {	Line 12226 sub EXT {
}	}
}	}

my ($section, $group, @groups);	my ($section, $group, @groups, @recurseup, $recursed);
my ($courselevelm,$courselevel);	my ($courselevelm,$courseleveli,$courselevel,$mapp);
if (($courseid eq '') && ($cid)) {	if (($courseid eq '') && ($cid)) {
$courseid = $cid;	$courseid = $cid;
}	}
if (($symbparm && $courseid) &&	if (($symbparm && $courseid) &&
(($courseid eq $env{'request.course.id'}) \|\| ($courseid eq $cid))) {	(($courseid eq $env{'request.course.id'}) \|\| ($courseid eq $cid))) {

#print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest;	#print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest;

# ----------------------------------------------------- Cascading lookup scheme	# ----------------------------------------------------- Cascading lookup scheme
my $symbp=$symbparm;	my $symbp=$symbparm;
my $mapp=&deversion((&decode_symb($symbp))[0]);	$mapp=&deversion((&decode_symb($symbp))[0]);

my $symbparm=$symbp.'.'.$spacequalifierrest;	my $symbparm=$symbp.'.'.$spacequalifierrest;
	my $recurseparm=$mapp.'___(rec).'.$spacequalifierrest;
my $mapparm=$mapp.'___(all).'.$spacequalifierrest;	my $mapparm=$mapp.'___(all).'.$spacequalifierrest;

if (($env{'user.name'} eq $uname) &&	if (($env{'user.name'} eq $uname) &&
($env{'user.domain'} eq $udom)) {	($env{'user.domain'} eq $udom)) {
$section=$env{'request.course.sec'};	$section=$env{'request.course.sec'};
Line 12153 sub EXT {	Line 12258 sub EXT {

my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;	my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;	my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
	my $secleveli=$courseid.'.['.$section.'].'.$recurseparm;
my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;	my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;

$courselevel=$courseid.'.'.$spacequalifierrest;	$courselevel=$courseid.'.'.$spacequalifierrest;
my $courselevelr=$courseid.'.'.$symbparm;	my $courselevelr=$courseid.'.'.$symbparm;
	$courseleveli=$courseid.'.'.$recurseparm;
$courselevelm=$courseid.'.'.$mapparm;	$courselevelm=$courseid.'.'.$mapparm;

# ----------------------------------------------------------- first, check user	# ----------------------------------------------------------- first, check user

my $userreply=&resdata($uname,$udom,'user',	my $userreply=&resdata($uname,$udom,'user',$mapp,\$recursed,
	\@recurseup,$courseid,'.',$spacequalifierrest,
([$courselevelr,'resource'],	([$courselevelr,'resource'],
[$courselevelm,'map' ],	[$courselevelm,'map' ],
	[$courseleveli,'map' ],
[$courselevel, 'course' ]));	[$courselevel, 'course' ]));
if (defined($userreply)) { return &get_reply($userreply); }	if (defined($userreply)) { return &get_reply($userreply); }

Line 12171 sub EXT {	Line 12280 sub EXT {
my $coursereply;	my $coursereply;
if (@groups > 0) {	if (@groups > 0) {
$coursereply = &check_group_parms($courseid,\@groups,$symbparm,	$coursereply = &check_group_parms($courseid,\@groups,$symbparm,
$mapparm,$spacequalifierrest);	$recurseparm,$mapparm,$spacequalifierrest,
if (defined($coursereply)) { return &get_reply($coursereply); }	$mapp,\$recursed,\@recurseup);
	if (defined($coursereply)) { return &get_reply($coursereply); }
}	}

$coursereply=&resdata($env{'course.'.$courseid.'.num'},	$coursereply=&resdata($env{'course.'.$courseid.'.num'},
$env{'course.'.$courseid.'.domain'},	$env{'course.'.$courseid.'.domain'},
'course',	'course',$mapp,\$recursed,\@recurseup,
	$courseid,'.['.$section.'].',$spacequalifierrest,
([$seclevelr, 'resource'],	([$seclevelr, 'resource'],
[$seclevelm, 'map' ],	[$seclevelm, 'map' ],
	[$secleveli, 'map' ],
[$seclevel, 'course' ],	[$seclevel, 'course' ],
[$courselevelr,'resource']));	[$courselevelr,'resource']));
if (defined($coursereply)) { return &get_reply($coursereply); }	if (defined($coursereply)) { return &get_reply($coursereply); }
Line 12196 sub EXT {	Line 12308 sub EXT {
if ($thisparm) { return &get_reply([$thisparm,'resource']); }	if ($thisparm) { return &get_reply([$thisparm,'resource']); }
}	}
# ------------------------------------------ fourth, look in resource metadata	# ------------------------------------------ fourth, look in resource metadata

$spacequalifierrest=~s/\./\_/;	my $what = $spacequalifierrest;
	$what=~s/\./\_/;
my $filename;	my $filename;
if (!$symbparm) { $symbparm=&symbread(); }	if (!$symbparm) { $symbparm=&symbread(); }
if ($symbparm) {	if ($symbparm) {
Line 12205 sub EXT {	Line 12318 sub EXT {
} else {	} else {
$filename=$env{'request.filename'};	$filename=$env{'request.filename'};
}	}
my $metadata=&metadata($filename,$spacequalifierrest);	my $toolsymb;
	if (($filename =~ /ext\.tool$/) && ($what ne '0_gradable')) {
	$toolsymb = $symbparm;
	}
	my $metadata=&metadata($filename,$what,$toolsymb);
if (defined($metadata)) { return &get_reply([$metadata,'resource']); }	if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
$metadata=&metadata($filename,'parameter_'.$spacequalifierrest);	$metadata=&metadata($filename,'parameter_'.$what,$toolsymb);
if (defined($metadata)) { return &get_reply([$metadata,'resource']); }	if (defined($metadata)) { return &get_reply([$metadata,'resource']); }

# ---------------------------------------------- fourth, look in rest of course	# ----------------------------------------------- fifth, look in rest of course
if ($symbparm && defined($courseid) &&	if ($symbparm && defined($courseid) &&
$courseid eq $env{'request.course.id'}) {	$courseid eq $env{'request.course.id'}) {
my $coursereply=&resdata($env{'course.'.$courseid.'.num'},	my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
$env{'course.'.$courseid.'.domain'},	$env{'course.'.$courseid.'.domain'},
'course',	'course',$mapp,\$recursed,\@recurseup,
	$courseid,'.',$spacequalifierrest,
([$courselevelm,'map' ],	([$courselevelm,'map' ],
	[$courseleveli,'map' ],
[$courselevel, 'course']));	[$courselevel, 'course']));
if (defined($coursereply)) { return &get_reply($coursereply); }	if (defined($coursereply)) { return &get_reply($coursereply); }
}	}
Line 12231 sub EXT {	Line 12350 sub EXT {
if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }	if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }
}	}
if ($recurse) { return undef; }	if ($recurse) { return undef; }
my $pack_def=&packages_tab_default($filename,$varname);	my $pack_def=&packages_tab_default($filename,$varname,$toolsymb);
if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }	if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }
# ---------------------------------------------------- Any other user namespace	# ---------------------------------------------------- Any other user namespace
} elsif ($realm eq 'environment') {	} elsif ($realm eq 'environment') {
Line 12258 sub EXT {	Line 12377 sub EXT {
}	}
} elsif ($realm eq 'client') {	} elsif ($realm eq 'client') {
if ($space eq 'remote_addr') {	if ($space eq 'remote_addr') {
return &get_requestor_ip();	return $ENV{'REMOTE_ADDR'};
}	}
}	}
return '';	return '';
Line 12277 sub get_reply {	Line 12396 sub get_reply {
}	}

sub check_group_parms {	sub check_group_parms {
my ($courseid,$groups,$symbparm,$mapparm,$what) = @_;	my ($courseid,$groups,$symbparm,$recurseparm,$mapparm,$what,$mapp,
my @groupitems = ();	$recursed,$recurseupref) = @_;
my $resultitem;	my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$recurseparm,'map'],
my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$what,'course']);	[$what,'course']);
	my $coursereply;
foreach my $group (@{$groups}) {	foreach my $group (@{$groups}) {
	my @groupitems = ();
foreach my $level (@levels) {	foreach my $level (@levels) {
my $item = $courseid.'.['.$group.'].'.$level->[0];	my $item = $courseid.'.['.$group.'].'.$level->[0];
push(@groupitems,[$item,$level->[1]]);	push(@groupitems,[$item,$level->[1]]);
}	}
	my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
	$env{'course.'.$courseid.'.domain'},
	'course',$mapp,$recursed,$recurseupref,
	$courseid,'.['.$group.'].',$what,
	@groupitems);
	last if (defined($coursereply));
}	}
my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
$env{'course.'.$courseid.'.domain'},
'course',@groupitems);
return $coursereply;	return $coursereply;
}	}

Line 12324 sub sort_course_groups { # Sort groups b	Line 12448 sub sort_course_groups { # Sort groups b
}	}

sub packages_tab_default {	sub packages_tab_default {
my ($uri,$varname)=@_;	my ($uri,$varname,$toolsymb)=@_;
my (undef,$part,$name)=split(/\./,$varname);	my (undef,$part,$name)=split(/\./,$varname);

my (@extension,@specifics,$do_default);	my (@extension,@specifics,$do_default);
foreach my $package (split(/,/,&metadata($uri,'packages'))) {	foreach my $package (split(/,/,&metadata($uri,'packages',$toolsymb))) {
my ($pack_type,$pack_part)=split(/_/,$package,2);	my ($pack_type,$pack_part)=split(/_/,$package,2);
if ($pack_type eq 'default') {	if ($pack_type eq 'default') {
$do_default=1;	$do_default=1;
Line 12397 my %metaentry;	Line 12521 my %metaentry;
my %importedpartids;	my %importedpartids;
my %importedrespids;	my %importedrespids;
sub metadata {	sub metadata {
my ($uri,$what,$liburi,$prefix,$depthcount)=@_;	my ($uri,$what,$toolsymb,$liburi,$prefix,$depthcount)=@_;
$uri=&declutter($uri);	$uri=&declutter($uri);
# if it is a non metadata possible uri return quickly	# if it is a non metadata possible uri return quickly
if (($uri eq '') \|\|	if (($uri eq '') \|\|
Line 12421 sub metadata {	Line 12545 sub metadata {
my ($result,$cached)=&is_cached_new('meta',$uri);	my ($result,$cached)=&is_cached_new('meta',$uri);
if (defined($cached)) { return $result->{':'.$what}; }	if (defined($cached)) { return $result->{':'.$what}; }
}	}

	#
	# If the uri is for an external tool the file from
	# which metadata should be retrieved depends on whether
	# the tool had been configured to be gradable (set in the Course
	# Editor or Resource Editor).
	#
	# If a valid symb has been included as the third arg in the call
	# to &metadata() that can be used to retrieve the value of
	# parameter_0_gradable set for the resource, and included in the
	# uploaded map containing the tool. The value is retrieved via
	# &EXT(), if a valid symb is available. Otherwise the value of
	# gradable in the exttool_$marker.db file for the tool instance
	# is retrieved via &get().
	#
	# When lonuserstate::traceroute() calls lonnet::EXT() for
	# hiddenresource and encrypturl (during course initialization)
	# the map-level parameter for resource.0.gradable included in the
	# uploaded map containing the tool will not yet have been stored
	# in the user_course_parms.db file for the user's session, so in
	# this case fall back to retrieving gradable status from the
	# exttool_$marker.db file.
	#
	# In order to avoid an infinite loop, &metadata() will return
	# before a call to &EXT(), if the uri is for an external tool
	# and the $what for which metadata is being requested is
	# parameter_0_gradable or 0_gradable.
	#

	if ($uri =~ /ext\.tool$/) {
	if (($what eq 'parameter_0_gradable') \|\| ($what eq '0_gradable')) {
	return;
	} else {
	my ($checked,$use_passback);
	if ($toolsymb ne '') {
	(undef,undef,my $tooluri) = &decode_symb($toolsymb);
	if (($tooluri eq $uri) && (&EXT('resource.0.gradable',$toolsymb))) {
	$checked = 1;
	if (&EXT('resource.0.gradable',$toolsymb) =~ /^yes$/i) {
	$use_passback = 1;
	}
	}
	}
	unless ($checked) {
	my ($ignore,$cdom,$cnum,$marker) = split(m{/},$uri);
	$marker=~s/\D//g;
	if ($marker) {
	my %toolsettings=&get('exttool_'.$marker,['gradable'],$cdom,$cnum);
	$use_passback = $toolsettings{'gradable'};
	}
	}
	if ($use_passback) {
	$filename = '/home/httpd/html/res/lib/templates/LTIpassback.tool';
	} else {
	$filename = '/home/httpd/html/res/lib/templates/LTIstandard.tool';
	}
	}
	}

{	{
# Imported parts would go here	# Imported parts would go here
my @origfiletagids=();	my @origfiletagids=();
Line 12529 sub metadata {	Line 12712 sub metadata {
# Check metadata for imported file to	# Check metadata for imported file to
# see if it contained response items	# see if it contained response items
#	#
	my ($origfile,@libfilekeys);
my %currmetaentry = %metaentry;	my %currmetaentry = %metaentry;
my $libresponseorder = &metadata($location,'responseorder');	@libfilekeys = split(/,/,&metadata($location,'keys',undef,undef,undef,
my $origfile;	$depthcount+1));
if ($libresponseorder ne '') {	if (grep(/^responseorder$/,@libfilekeys)) {
if ($#origfiletagids<0) {	my $libresponseorder = &metadata($location,'responseorder',undef,undef,
undef(%importedrespids);	undef,$depthcount+1);
undef(%importedpartids);	if ($libresponseorder ne '') {
}	if ($#origfiletagids<0) {
@{$importedrespids{$importid}} = split(/\s,\s/,$libresponseorder);	undef(%importedrespids);
if (@{$importedrespids{$importid}} > 0) {	undef(%importedpartids);
$importedresponses = 1;	}
	my @respids = split(/\s,\s/,$libresponseorder);
	if (@respids) {
	$importedrespids{$importid} = join(',',map { $importid.'_'.$_ } @respids);
	}
	if ($importedrespids{$importid} ne '') {
	$importedresponses = 1;
# We need to get the original file and the imported file to get the response order correct	# We need to get the original file and the imported file to get the response order correct
# Load and inspect original file	# Load and inspect original file
if ($#origfiletagids<0) {	if ($#origfiletagids<0) {
my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);	my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
$origfile=&getfile($origfilelocation);	$origfile=&getfile($origfilelocation);
@origfiletagids=($origfile=~/<((?:\w+)response\|import\|part)[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);	@origfiletagids=($origfile=~/<((?:\w+)response\|import\|part)[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);
	}
}	}
}	}
}	}
Line 12553 sub metadata {	Line 12744 sub metadata {
# hash populated for imported library file	# hash populated for imported library file
%metaentry = %currmetaentry;	%metaentry = %currmetaentry;
undef(%currmetaentry);	undef(%currmetaentry);
if ($importmode eq 'problem') {	if ($importmode eq 'part') {
# Import as problem/response
$unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
} elsif ($importmode eq 'part') {
# Import as part(s)	# Import as part(s)
$importedparts=1;	$importedparts=1;
# We need to get the original file and the imported file to get the part order correct	# We need to get the original file and the imported file to get the part order correct
Line 12571 sub metadata {	Line 12759 sub metadata {
@origfiletagids=($origfile=~/<(part\|import)[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);	@origfiletagids=($origfile=~/<(part\|import)[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);
}	}
}	}
	my @impfilepartids;
# Load and inspect imported file	# If <partorder> tag is included in metadata for the imported file
my $impfile=&getfile($location);	# get the parts in the imported file from that.
my @impfilepartids=($impfile=~/<part[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);	if (grep(/^partorder$/,@libfilekeys)) {
	%currmetaentry = %metaentry;
	my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
	$depthcount+1);
	%metaentry = %currmetaentry;
	undef(%currmetaentry);
	if ($libpartorder ne '') {
	@impfilepartids=split(/\s,\s/,$libpartorder);
	}
	} else {
	# If no <partorder> tag available, load and inspect imported file
	my $impfile=&getfile($location);
	@impfilepartids=($impfile=~/<part[^>]id\s=\s[\"\']([^\"\']+)[\"\'][^>]>/gs);
	}
if ($#impfilepartids>=0) {	if ($#impfilepartids>=0) {
# This problem had parts	# This problem had parts
$importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);	$importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);
Line 12585 sub metadata {	Line 12786 sub metadata {
$importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};	$importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};
}	}
} else {	} else {
	# Import as problem or as normal import
	$unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
	unless ($importmode eq 'problem') {
# Normal import	# Normal import
$unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});	if (defined($token->[2]->{'id'})) {
if (defined($token->[2]->{'id'})) {	$unikey.='_'.$token->[2]->{'id'};
$unikey.='_'.$token->[2]->{'id'};	}
}	}
	# Check metadata for imported file to
	# see if it contained parts
	if (grep(/^partorder$/,@libfilekeys)) {
	%currmetaentry = %metaentry;
	my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
	$depthcount+1);
	%metaentry = %currmetaentry;
	undef(%currmetaentry);
	if ($libpartorder ne '') {
	$importedparts = 1;
	$importedpartids{$token->[2]->{'id'}}=$libpartorder;
	}
	}
}	}

if ($depthcount<20) {	if ($depthcount<20) {
my $metadata =	my $metadata =
&metadata($uri,'keys', $location,$unikey,	&metadata($uri,'keys',$toolsymb,$location,$unikey,
$depthcount+1);	$depthcount+1);
foreach my $meta (split(',',$metadata)) {	foreach my $meta (split(',',$metadata)) {
$metaentry{':'.$meta}=$metaentry{':'.$meta};	$metaentry{':'.$meta}=$metaentry{':'.$meta};
$metathesekeys{$meta}=1;	$metathesekeys{$meta}=1;
}	}

}	}
} else {	} else {
#	#
Line 12669 sub metadata {	Line 12884 sub metadata {
$dir=~s\|[^/]*$\|\|;	$dir=~s\|[^/]*$\|\|;
$location=&filelocation($dir,$location);	$location=&filelocation($dir,$location);
my $rights_metadata =	my $rights_metadata =
&metadata($uri,'keys',$location,'_rights',	&metadata($uri,'keys',$toolsymb,$location,'_rights',
$depthcount+1);	$depthcount+1);
foreach my $rights (split(',',$rights_metadata)) {	foreach my $rights (split(',',$rights_metadata)) {
#$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};	#$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};
Line 12690 sub metadata {	Line 12905 sub metadata {
$metathesekeys{'partorder'}=1;	$metathesekeys{'partorder'}=1;
}	}
if ($importedresponses) {	if ($importedresponses) {
# We had imported responses and need to rebuild responseorder	# We had imported responses and need to rebuil responseorder
$metaentry{':responseorder'}='';	$metaentry{':responseorder'}='';
$metathesekeys{'responseorder'}=1;	$metathesekeys{'responseorder'}=1;
}	}
Line 12704 sub metadata {	Line 12919 sub metadata {
} elsif ($origfiletagids[$index] eq 'import') {	} elsif ($origfiletagids[$index] eq 'import') {
if ($importedparts) {	if ($importedparts) {
# We have imported parts at this position	# We have imported parts at this position
$metaentry{':partorder'}.=','.$importedpartids{$origid};	if ($importedpartids{$origid} ne '') {
	$metaentry{':partorder'}.=','.$importedpartids{$origid};
	}
}	}
if ($importedresponses) {	if ($importedresponses) {
# We have imported responses at this position	# We have imported responses at this position
if (ref($importedrespids{$origid}) eq 'ARRAY') {	if ($importedrespids{$origid} ne '') {
$metaentry{':responseorder'}.=','.join(',',map { $origid.'_'.$_ } @{$importedrespids{$origid}});	$metaentry{':responseorder'}.=','.$importedrespids{$origid};
}	}
}	}
} else {	} else {
Line 12726 sub metadata {	Line 12943 sub metadata {
$metaentry{':responseorder'}=~s/^\,//;	$metaentry{':responseorder'}=~s/^\,//;
}	}
}	}

$metaentry{':keys'} = join(',',keys(%metathesekeys));	$metaentry{':keys'} = join(',',keys(%metathesekeys));
&metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);	&metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
$metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));	$metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
&do_cache_new('meta',$uri,\%metaentry,$cachetime);	unless ($liburi) {
	&do_cache_new('meta',$uri,\%metaentry,$cachetime);
	}
# this is the end of "was not already recently cached	# this is the end of "was not already recently cached
}	}
return $metaentry{':'.$what};	return $metaentry{':'.$what};
Line 13003 sub symbverify {	Line 13221 sub symbverify {
$ids=$bighash{'ids_'.&clutter($thisurl)};	$ids=$bighash{'ids_'.&clutter($thisurl)};
}	}
unless ($ids) {	unless ($ids) {
my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl;	my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl;
$ids=$bighash{$idkey};	$ids=$bighash{$idkey};
}	}
if ($ids) {	if ($ids) {
Line 13019 sub symbverify {	Line 13237 sub symbverify {
if (ref($encstate)) {	if (ref($encstate)) {
$$encstate = $bighash{'encrypted_'.$id};	$$encstate = $bighash{'encrypted_'.$id};
}	}
if (($env{'request.role.adv'}) \|\|	if (($env{'request.role.adv'}) \|\|
($bighash{'encrypted_'.$id} eq $env{'request.enc'}) \|\|	($bighash{'encrypted_'.$id} eq $env{'request.enc'}) \|\|
($thisurl eq '/adm/navmaps')) {	($thisurl eq '/adm/navmaps')) {
$okay=1;	$okay=1;
last;	last;
}	}
}	}
}	}
}	}
untie(%bighash);	untie(%bighash);
}	}
Line 13114 sub symbread {	Line 13332 sub symbread {
unless ($thisfn) {	unless ($thisfn) {
if ($env{'request.symb'}) {	if ($env{'request.symb'}) {
return $env{$cache_str}=&symbclean($env{'request.symb'});	return $env{$cache_str}=&symbclean($env{'request.symb'});
}	}
$thisfn=$env{'request.filename'};	$thisfn=$env{'request.filename'};
}	}
if ($thisfn=~m\|^/enc/\|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }	if ($thisfn=~m\|^/enc/\|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
# is that filename actually a symb? Verify, clean, and return	# is that filename actually a symb? Verify, clean, and return
Line 13129 sub symbread {	Line 13347 sub symbread {
my %bighash;	my %bighash;
my $syval='';	my $syval='';
if (($env{'request.course.fn'}) && ($thisfn)) {	if (($env{'request.course.fn'}) && ($thisfn)) {
	my $targetfn = $thisfn;
	if ( ($thisfn =~ m/^(uploaded\|editupload)\//) && ($thisfn !~ m/\.(page\|sequence)$/) ) {
	$targetfn = 'adm/wrapper/'.$thisfn;
	}
	if ($targetfn =~ m\|^adm/wrapper/(ext/.*)\|) {
	$targetfn=$1;
	}
unless ($ignoresymbdb) {	unless ($ignoresymbdb) {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',	if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
&GDBM_READER(),0640)) {	&GDBM_READER(),0640)) {
$syval=$hash{$thisfn};	$syval=$hash{$targetfn};
untie(%hash);	untie(%hash);
}	}
if ($syval && $checkforblock) {	if ($syval && $checkforblock) {
Line 13187 sub symbread {	Line 13412 sub symbread {
}	}
}	}
}	}
} elsif ((!$donotrecurse) \|\| ($checkforblock) \|\| (ref($possibles) eq 'HASH')) {	} elsif ((!$donotrecurse) \|\| ($checkforblock) \|\| (ref($possibles) eq 'HASH')) {
# ------------------------------------------ There is more than one possibility	# ------------------------------------------ There is more than one possibility
my $realpossible=0;	my $realpossible=0;
foreach my $id (@possibilities) {	foreach my $id (@possibilities) {
Line 13195 sub symbread {	Line 13420 sub symbread {
my $canaccess;	my $canaccess;
if (($donotrecurse) \|\| ($checkforblock) \|\| (ref($possibles) eq 'HASH')) {	if (($donotrecurse) \|\| ($checkforblock) \|\| (ref($possibles) eq 'HASH')) {
$canaccess = 1;	$canaccess = 1;
} else {	} else {
$canaccess = &allowed('bre',$file);	$canaccess = &allowed('bre',$file);
}	}
if ($canaccess) {	if ($canaccess) {
my ($mapid,$resid)=split(/\./,$id);	my ($mapid,$resid)=split(/\./,$id);
if ($bighash{'map_type_'.$mapid} ne 'page') {	if ($bighash{'map_type_'.$mapid} ne 'page') {
my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},	my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
$resid,$thisfn);	$resid,$thisfn);
next if ($bighash{'randomout_'.$id} && !$env{'request.role.adv'});	next if ($bighash{'randomout_'.$id} && !$env{'request.role.adv'});
next unless (($noenccheck) \|\| ($bighash{'encrypted_'.$id} eq $env{'request.enc'}));	next unless (($noenccheck) \|\| ($bighash{'encrypted_'.$id} eq $env{'request.enc'}));
if ($checkforblock) {	if ($checkforblock) {
Line 13383 sub rndseed {	Line 13608 sub rndseed {
$which =&get_rand_alg($courseid);	$which =&get_rand_alg($courseid);
}	}
if (defined(&getCODE())) {	if (defined(&getCODE())) {

if ($which eq '64bit5') {	if ($which eq '64bit5') {
return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);	return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);
} elsif ($which eq '64bit4') {	} elsif ($which eq '64bit4') {
Line 13568 sub rndseed_CODE_64bit5 {	Line 13794 sub rndseed_CODE_64bit5 {
sub setup_random_from_rndseed {	sub setup_random_from_rndseed {
my ($rndseed)=@_;	my ($rndseed)=@_;
if ($rndseed =~/([,:])/) {	if ($rndseed =~/([,:])/) {
my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));	my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));
if ((!$num1) \|\| (!$num2) \|\| ($num1 > 2147483562) \|\| ($num2 > 2147483398)) {	if ((!$num1) \|\| (!$num2) \|\| ($num1 > 2147483562) \|\| ($num2 > 2147483398)) {
&Math::Random::random_set_seed_from_phrase($rndseed);	&Math::Random::random_set_seed_from_phrase($rndseed);
} else {	} else {
Line 13752 sub repcopy_userfile {	Line 13978 sub repcopy_userfile {
}	}
# now the path exists for sure	# now the path exists for sure
# get a user agent	# get a user agent
my $ua=new LWP::UserAgent;
my $transferfile=$file.'.in.transfer';	my $transferfile=$file.'.in.transfer';
# FIXME: this should flock	# FIXME: this should flock
if (-e $transferfile) { return 'ok'; }	if (-e $transferfile) { return 'ok'; }
Line 13763 sub repcopy_userfile {	Line 13988 sub repcopy_userfile {
my $protocol = $protocol{$homeserver};	my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');	$protocol = 'http' if ($protocol ne 'https');
$request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);	$request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);
my $response=$ua->request($request,$transferfile);	my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,$transferfile,\%perlvar,'',0,1);
# did it work?	# did it work?
if ($response->is_error()) {	if ($response->is_error()) {
unlink($transferfile);	unlink($transferfile);
Line 13809 sub getuploaded {	Line 14034 sub getuploaded {
my $protocol = $protocol{$homeserver};	my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');	$protocol = 'http' if ($protocol ne 'https');
$uri = $protocol.'://'.$hostname.'/raw/'.$uri;	$uri = $protocol.'://'.$hostname.'/raw/'.$uri;
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request($reqtype,$uri);	my $request=new HTTP::Request($reqtype,$uri);
my $response=$ua->request($request);	my $response=&LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,'',0,1);
$$rtncode = $response->code;	$$rtncode = $response->code;
if (! $response->is_success()) {	if (! $response->is_success()) {
return 'failed';	return 'failed';
Line 13941 sub machine_ids {	Line 14165 sub machine_ids {

sub additional_machine_domains {	sub additional_machine_domains {
my @domains;	my @domains;
if (-e "$perlvar{'lonTabDir'}/expected_domains.tab") {	open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab");
if (open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab")) {	while( my $line = <$fh>) {
while( my $line = <$fh>) {	$line =~ s/\s//g;
chomp($line);	push(@domains,$line);
$line =~ s/\s//g;
push(@domains,$line);
}
close($fh);
}
}	}
return @domains;	return @domains;
}	}
Line 13968 sub default_login_domain {	Line 14187 sub default_login_domain {
}	}

sub shared_institution {	sub shared_institution {
my ($dom,$lonhost) = @_;	my ($dom) = @_;
if ($lonhost eq '') {
$lonhost = $perlvar{'lonHostID'};
}
my $same_intdom;	my $same_intdom;
my $hostintdom = &internet_dom($lonhost);	my $hostintdom = &internet_dom($perlvar{'lonHostID'});
if ($hostintdom ne '') {	if ($hostintdom ne '') {
my %iphost = &get_iphost();	my %iphost = &get_iphost();
my $primary_id = &domain($dom,'primary');	my $primary_id = &domain($dom,'primary');
Line 14004 sub uses_sts {	Line 14220 sub uses_sts {
return $sts_on;	return $sts_on;
}	}
}	}
my $ua=new LWP::UserAgent;
my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';	my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';
my $request=new HTTP::Request('HEAD',$url);	my $request=new HTTP::Request('HEAD',$url);
my $response=$ua->request($request);	my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,'','','',1);
if ($response->is_success) {	if ($response->is_success) {
my $has_sts = $response->header('Strict-Transport-Security');	my $has_sts = $response->header('Strict-Transport-Security');
if ($has_sts eq '') {	if ($has_sts eq '') {
Line 14030 sub uses_sts {	Line 14245 sub uses_sts {
return;	return;
}	}

sub waf_allssl {
my ($host_name) = @_;
my $alias = &get_proxy_alias();
if ($host_name eq '') {
$host_name = $ENV{'SERVER_NAME'};
}
if (($host_name ne '') && ($alias eq $host_name)) {
my $serverhomedom = &host_domain($perlvar{'lonHostID'});
my %defdomdefaults = &get_domain_defaults($serverhomedom);
if ($defdomdefaults{'waf_sslopt'}) {
return $defdomdefaults{'waf_sslopt'};
}
}
return;
}

sub get_requestor_ip {
my ($r,$nolookup,$noproxy) = @_;
my $from_ip;
if (ref($r)) {
if ($r->can('useragent_ip')) {
if ($noproxy && $r->can('client_ip')) {
$from_ip = $r->client_ip();
} else {
$from_ip = $r->useragent_ip();
}
} elsif ($r->connection->can('remote_ip')) {
$from_ip = $r->connection->remote_ip();
} else {
$from_ip = $r->get_remote_host($nolookup);
}
} else {
$from_ip = $ENV{'REMOTE_ADDR'};
}
return $from_ip if ($noproxy);
# Who controls proxy settings for server
my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
my $proxyinfo = &get_proxy_settings($dom_in_use);
if ((ref($proxyinfo) eq 'HASH') && ($from_ip)) {
if ($proxyinfo->{'vpnint'}) {
if (&ip_match($from_ip,$proxyinfo->{'vpnint'})) {
return $from_ip;
}
}
if ($proxyinfo->{'trusted'}) {
if (&ip_match($from_ip,$proxyinfo->{'trusted'})) {
my $ipheader = $proxyinfo->{'ipheader'};
my ($ip,$xfor);
if (ref($r)) {
if ($ipheader) {
$ip = $r->headers_in->{$ipheader};
}
$xfor = $r->headers_in->{'X-Forwarded-For'};
} else {
if ($ipheader) {
$ip = $ENV{'HTTP_'.uc($ipheader)};
}
$xfor = $ENV{'HTTP_X_FORWARDED_FOR'};
}
if (($ip eq '') && ($xfor ne '')) {
foreach my $poss_ip (reverse(split(/\s,\s/,$xfor))) {
unless (&ip_match($poss_ip,$proxyinfo->{'trusted'})) {
$ip = $poss_ip;
last;
}
}
}
if ($ip ne '') {
return $ip;
}
}
}
}
return $from_ip;
}

sub get_proxy_settings {
my ($dom_in_use) = @_;
my %domdefaults = &Apache::lonnet::get_domain_defaults($dom_in_use);
my $proxyinfo = {
ipheader => $domdefaults{'waf_ipheader'},
trusted => $domdefaults{'waf_trusted'},
vpnint => $domdefaults{'waf_vpnint'},
vpnext => $domdefaults{'waf_vpnext'},
sslopt => $domdefaults{'waf_sslopt'},
};
return $proxyinfo;
}

sub ip_match {
my ($ip,$pattern_str) = @_;
$ip=Net::CIDR::cidrvalidate($ip);
if ($ip) {
return Net::CIDR::cidrlookup($ip,split(/\s,\s/,$pattern_str));
}
return;
}

sub get_proxy_alias {
my ($lonid) = @_;
if ($lonid eq '') {
$lonid = $perlvar{'lonHostID'};
}
if (!defined(&hostname($lonid))) {
return;
}
if ($lonid ne '') {
my ($alias,$cached) = &is_cached_new('proxyalias',$lonid);
if ($cached) {
return $alias;
}
my $dom = &Apache::lonnet::host_domain($lonid);
if ($dom ne '') {
my $cachetime = 606024;
my %domconfig =
&Apache::lonnet::get_dom('configuration',['wafproxy'],$dom);
if (ref($domconfig{'wafproxy'}) eq 'HASH') {
if (ref($domconfig{'wafproxy'}{'alias'}) eq 'HASH') {
$alias = $domconfig{'wafproxy'}{'alias'}{$lonid};
}
}
return &do_cache_new('proxyalias',$lonid,$alias,$cachetime);
}
}
return;
}

sub use_proxy_alias {
my ($r,$lonid) = @_;
my $alias = &get_proxy_alias($lonid);
if ($alias) {
my $dom = &host_domain($lonid);
if ($dom ne '') {
my $proxyinfo = &get_proxy_settings($dom);
my ($vpnint,$remote_ip);
if (ref($proxyinfo) eq 'HASH') {
$vpnint = $proxyinfo->{'vpnint'};
if ($vpnint) {
$remote_ip = &get_requestor_ip($r,1,1);
}
}
unless ($vpnint && &ip_match($remote_ip,$vpnint)) {
return $alias;
}
}
}
return;
}

sub alias_sso {
my ($lonid) = @_;
if ($lonid eq '') {
$lonid = $perlvar{'lonHostID'};
}
if (!defined(&hostname($lonid))) {
return;
}
if ($lonid ne '') {
my ($use_alias,$cached) = &is_cached_new('proxysaml',$lonid);
if ($cached) {
return $use_alias;
}
my $dom = &Apache::lonnet::host_domain($lonid);
if ($dom ne '') {
my $cachetime = 606024;
my %domconfig =
&Apache::lonnet::get_dom('configuration',['wafproxy'],$dom);
if (ref($domconfig{'wafproxy'}) eq 'HASH') {
if (ref($domconfig{'wafproxy'}{'saml'}) eq 'HASH') {
$use_alias = $domconfig{'wafproxy'}{'saml'}{$lonid};
}
}
return &do_cache_new('proxysaml',$lonid,$use_alias,$cachetime);
}
}
return;
}

sub get_saml_landing {
my ($lonid) = @_;
if ($lonid eq '') {
my $defdom = &default_login_domain();
my @hosts = &current_machine_ids();
if (@hosts > 1) {
foreach my $hostid (@hosts) {
if (&host_domain($hostid) eq $defdom) {
$lonid = $hostid;
last;
}
}
} else {
$lonid = $perlvar{'lonHostID'};
}
if ($lonid) {
unless (&Apache::lonnet::host_domain($lonid) eq $defdom) {
return;
}
} else {
return;
}
} elsif (!defined(&hostname($lonid))) {
return;
}
my ($landing,$cached) = &is_cached_new('samllanding',$lonid);
if ($cached) {
return $landing;
}
my $dom = &Apache::lonnet::host_domain($lonid);
if ($dom ne '') {
my $cachetime = 606024;
my %domconfig =
&Apache::lonnet::get_dom('configuration',['login'],$dom);
if (ref($domconfig{'login'}) eq 'HASH') {
if (ref($domconfig{'login'}{'saml'}) eq 'HASH') {
if (ref($domconfig{'login'}{'saml'}{$lonid}) eq 'HASH') {
$landing = 1;
}
}
}
return &do_cache_new('samllanding',$lonid,$landing,$cachetime);
}
return;
}

# ------------------------------------------------------------- Declutters URLs	# ------------------------------------------------------------- Declutters URLs

sub declutter {	sub declutter {
Line 14393 sub get_dns {	Line 14384 sub get_dns {
}	}
while (%alldns) {	while (%alldns) {
my ($dns) = sort { $b cmp $a } keys(%alldns);	my ($dns) = sort { $b cmp $a } keys(%alldns);
my @content;	my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
if ($dns eq Sys::Hostname::FQDN::fqdn()) {	my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar,30,0);
my $command = (split('/',$url))[3];	delete($alldns{$dns});
my ($dir,$file) = &parse_getdns_url($command,$url);	next if ($response->is_error());
delete($alldns{$dns});	if ($url eq '/adm/dns/loncapaCRL') {
next if (($dir eq '') \|\| ($file eq ''));	return &$func($response);
if (open(my $config,'<',"$dir/$file")) {	} else {
@content = <$config>;	my @content = split("\n",$response->content);
close($config);	unless ($nocache) {
}	&do_cache_new('dns',$url,\@content,302460*60);
} else {	}
my $ua=new LWP::UserAgent;	&$func(\@content,$hashref);
$ua->timeout(30);	return;
my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
my $response=$ua->request($request);
delete($alldns{$dns});
next if ($response->is_error());
@content = split("\n",$response->content);
}
unless ($nocache) {
&do_cache_new('dns',$url,\@content,302460*60);
}	}
&$func(\@content,$hashref);
return;
}	}
my $which = (split('/',$url))[3];	my $which = (split('/',$url,4))[3];
&logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");	if ($which eq 'loncapaCRL') {
if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) {	my $diskfile = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
my @content = <$config>;	if (-e $diskfile) {
&$func(\@content,$hashref);	&logthis("unable to contact DNS, on disk file $diskfile not updated");
	} else {
	&logthis("unable to contact DNS, no on disk file $diskfile available");
	}
	} else {
	&logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
	if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) {
	my @content = <$config>;
	close($config);
	&$func(\@content,$hashref);
	}
}	}
return;	return;
}	}
Line 14451 sub parse_dns_checksums_tab {	Line 14442 sub parse_dns_checksums_tab {
if (ref($lines) eq 'ARRAY') {	if (ref($lines) eq 'ARRAY') {
chomp(@{$lines});	chomp(@{$lines});
my $version = shift(@{$lines});	my $version = shift(@{$lines});
if ($version eq $release) {	if ($version eq $release) {
foreach my $line (@{$lines}) {	foreach my $line (@{$lines}) {
my ($file,$version,$shasum) = split(/,/,$line);	my ($file,$version,$shasum) = split(/,/,$line);
if ($file =~ m{^/etc/httpd/conf}) {	if ($file =~ m{^/etc/httpd/conf}) {
Line 14483 sub fetch_dns_checksums {	Line 14474 sub fetch_dns_checksums {
return \%checksums;	return \%checksums;
}	}

sub parse_getdns_url {	sub fetch_crl_pemfile {
my ($command,$url) = @_;	return &get_dns("/adm/dns/loncapaCRL",\&save_crl_pem,1,1);
my $dir = $perlvar{'lonTabDir'};	}
my $file;
if ($command eq 'hosts') {	sub save_crl_pem {
$file = 'dns_hosts.tab';	my ($response) = @_;
} elsif ($command eq 'domain') {	my ($msg,$hadchanges);
$file = 'dns_domain.tab';	if (ref($response)) {
} elsif ($command eq 'checksums') {	my $now = time;
my $version = (split('/',$url))[4];	my $lonca = $perlvar{'lonCertificateDirectory'}.'/'.$perlvar{'lonnetCertificateAuthority'};
$file = "dns_checksums/$version.tab",	my $tmpcrl = $tmpdir.'/'.$perlvar{'lonnetCertRevocationList'}.'_'.$now.'.'.$$.'.tmp';
	if (open(my $fh,'>',"$tmpcrl")) {
	print $fh $response->content;
	close($fh);
	if (-e $lonca) {
	if (open(PIPE,"openssl crl -in $tmpcrl -inform pem -CAfile $lonca -noout 2>&1 \|")) {
	my $check = <PIPE>;
	close(PIPE);
	chomp($check);
	if ($check eq 'verify OK') {
	my $dest = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
	my $backup;
	if (-e $dest) {
	if (&File::Copy::move($dest,"$dest.bak")) {
	$backup = 'ok';
	}
	}
	if (&File::Copy::move($tmpcrl,$dest)) {
	$msg = 'ok';
	if ($backup) {
	my (%oldnums,%newnums);
	if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest.bak \|grep 'Serial Number' \|")) {
	while (<PIPE>) {
	$oldnums{(split(/:/))[1]} = 1;
	}
	close(PIPE);
	}
	if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest \|grep 'Serial Number' \|")) {
	while(<PIPE>) {
	$newnums{(split(/:/))[1]} = 1;
	}
	close(PIPE);
	}
	foreach my $key (sort {$b <=> $a } (keys(%newnums))) {
	unless (exists($oldnums{$key})) {
	$hadchanges = 1;
	last;
	}
	}
	unless ($hadchanges) {
	foreach my $key (sort {$b <=> $a } (keys(%oldnums))) {
	unless (exists($newnums{$key})) {
	$hadchanges = 1;
	last;
	}
	}
	}
	}
	}
	} else {
	unlink($tmpcrl);
	}
	} else {
	unlink($tmpcrl);
	}
	} else {
	unlink($tmpcrl);
	}
	}
}	}
return ($dir,$file);	return ($msg,$hadchanges);
}	}

# ------------------------------------------------------------ Read domain file	# ------------------------------------------------------------ Read domain file
Line 14620 sub parse_getdns_url {	Line 14669 sub parse_getdns_url {
&purge_remembered();	&purge_remembered();
&reset_domain_info();	&reset_domain_info();
&reset_hosts_ip_info();	&reset_hosts_ip_info();
	undef(%internetdom);
undef(%name_to_host);	undef(%name_to_host);
undef(%hostname);	undef(%hostname);
undef(%hostdom);	undef(%hostdom);
Line 14662 sub parse_getdns_url {	Line 14712 sub parse_getdns_url {
return %hostdom;	return %hostdom;
}	}

	sub all_host_intdom {
	&load_hosts_tab() if (!$loaded);
	return %internetdom;
	}

sub is_library {	sub is_library {
&load_hosts_tab() if (!$loaded);	&load_hosts_tab() if (!$loaded);

Line 14892 sub all_loncaparevs {	Line 14947 sub all_loncaparevs {
return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11);	return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11);
}	}

# ------------------------------------------------------- Read loncaparev table	# ---------------------------------------------------------- Read loncaparev table
{	{
sub load_loncaparevs {	sub load_loncaparevs {
if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {	if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {
if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) {	if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) {
while (my $configline=<$config>) {	while (my $configline=<$config>) {
Line 14908 sub all_loncaparevs {	Line 14963 sub all_loncaparevs {
}	}
}	}

# ----------------------------------------------------- Read serverhostID table	# ---------------------------------------------------------- Read serverhostID table
{	{
sub load_serverhomeIDs {	sub load_serverhomeIDs {
if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {	if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {
Line 15000 BEGIN {	Line 15055 BEGIN {
close($config);	close($config);
}	}

# --------------------------------------------------------- Read loncaparev table	# ---------------------------------------------------------- Read loncaparev table

&load_loncaparevs();	&load_loncaparevs();

# ------------------------------------------------------- Read serverhostID table	# ---------------------------------------------------------- Read serverhostID table

&load_serverhomeIDs();	&load_serverhomeIDs();

Line 15018 BEGIN {	Line 15073 BEGIN {
my $item = $token->[1];	my $item = $token->[1];
my $name = $token->[2]{'name'};	my $name = $token->[2]{'name'};
my $value = $token->[2]{'value'};	my $value = $token->[2]{'value'};
if ($item ne '' && $name ne '' && $value ne '') {	my $valuematch = $token->[2]{'valuematch'};
	my $namematch = $token->[2]{'namematch'};
	if ($item eq 'parameter') {
	if (($namematch ne '') \|\| (($name ne '') && ($value ne '' \|\| $valuematch ne ''))) {
	my $release = $parser->get_text();
	$release =~ s/(^\s\|\s$ )//gx;
	$needsrelease{$item.':'.$name.':'.$value.':'.$valuematch.':'.$namematch} = $release;
	}
	} elsif ($item ne '' && $name ne '') {
my $release = $parser->get_text();	my $release = $parser->get_text();
$release =~ s/(^\s\|\s$ )//gx;	$release =~ s/(^\s\|\s$ )//gx;
$needsrelease{$item.':'.$name.':'.$value} = $release;	$needsrelease{$item.':'.$name.':'.$value} = $release;
Line 15301 the answer, and also caches if there is	Line 15364 the answer, and also caches if there is

=item *	=item *
X<idget()>	X<idget()>
B<idget($udom,@ids)>: find the usernames behind a list of IDs	B<idget($udom,$idsref,$namespace)>: find the usernames behind either
(IDs are a unique resource in a domain, there must be only 1 ID per	a list of student/employee IDs or clicker IDs
username, and only 1 username per ID in a specific domain) (returns	(student/employee IDs are a unique resource in a domain, there must be
hash: id=>name,id=>name)	only 1 ID per username, and only 1 username per ID in a specific domain).
	clickerIDs are not necessarily unique, as students might share clickers.
	(returns hash: id=>name,id=>name)

=item *	=item *
X<idrget()>	X<idrget()>
Line 15313 usernames (returns hash: name=>id,name=>	Line 15378 usernames (returns hash: name=>id,name=>

=item *	=item *
X<idput()>	X<idput()>
B<idput($udom,%ids)>: store away a list of names and associated IDs	B<idput($udom,$idsref,$uhome,$namespace)>: store away a list of
	names and associated student/employee IDs or clicker IDs.

	=item *
	X<iddel()>
	B<iddel($udom,$idshashref,$uhome,$namespace)>: delete unwanted
	student/employee ID or clicker ID username look-ups from domain.
	The homeserver ($uhome) and namespace ($namespace) are optional.
	If no $uhome is provided, it will be determined usig &homeserver()
	for each user. If no $namespace is provided, the default is ids.

	=item *
	X<updateclickers()>
	B<updateclickers($udom,$action,$idshashref,$uhome,$critical)>: update
	clicker ID-to-username look-ups in clickers.db on library server.
	Permitted actions are add or del (i.e., add or delete). The
	clickers.db contains clickerID as keys (escaped), and each corresponding
	value is an escaped comma-separated list of usernames (for whom the
	library server is the homeserver), who registered that particular ID.
	If $critical is true, the update will be sent via &critical, otherwise
	&reply() will be used.

=item *	=item *
X<rolesinit()>	X<rolesinit()>
Line 15361 The first argument is required, all othe	Line 15446 The first argument is required, all othe

$priv is the privilege being checked.	$priv is the privilege being checked.
$uri contains additional information about what is being checked for access (e.g.,	$uri contains additional information about what is being checked for access (e.g.,
URL, course ID etc.).	URL, course ID etc.).
$symb is the unique resource instance identifier in a course; if needed,	$symb is the unique resource instance identifier in a course; if needed,
but not provided, it will be retrieved via a call to &symbread().	but not provided, it will be retrieved via a call to &symbread().
$role is the role for which a priv is being checked (only used if priv is evb).	$role is the role for which a priv is being checked (only used if priv is evb).
$clientip is the user's IP address (only used when checking for access to portfolio	$clientip is the user's IP address (only used when checking for access to portfolio
files).	files).
$noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This	$noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This
prevents recursive calls to &allowed.	prevents recursive calls to &allowed.

F: full access	F: full access
Line 15377 prevents recursive calls to &allowed.	Line 15462 prevents recursive calls to &allowed.
2: browse allowed	2: browse allowed
A: passphrase authentication needed	A: passphrase authentication needed
B: access temporarily blocked because of a blocking event in a course.	B: access temporarily blocked because of a blocking event in a course.
D: access blocked because access is required via session initiated via deep-link	D: access blocked because access is required via session initiated via deep-link

=item *	=item *

Line 15430 provided for types, will default to retu	Line 15515 provided for types, will default to retu
=item *	=item *

in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if	in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if
user: $uname:$udom has a role in the course: $cdom_$cnum.	user: $uname:$udom has a role in the course: $cdom_$cnum.

Additional optional arguments are: $type (if role checking is to be restricted	Additional optional arguments are: $type (if role checking is to be restricted
to certain user status types -- previous (expired roles), active (currently	to certain user status types -- previous (expired roles), active (currently
available roles) or future (roles available in the future), and	available roles) or future (roles available in the future), and
$hideprivileged -- if true will not report course roles for users who	$hideprivileged -- if true will not report course roles for users who
Line 15671 values that are the resource value. I b	Line 15756 values that are the resource value. I b
versions are also returned.	versions are also returned.

get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's	get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's
supplemental content area. This routine caches the number of files for	supplemental content area. This routine caches the number of files for
10 minutes.	10 minutes.

=back	=back
Line 15841 condval($condidx) : value of condition i	Line 15926 condval($condidx) : value of condition i

=item *	=item *

metadata($uri,$what,$liburi,$prefix,$depthcount) : request a	metadata($uri,$what,$toolsymb,$liburi,$prefix,$depthcount) : request a
resource's metadata, $what should be either a specific key, or either	resource's metadata, $what should be either a specific key, or either
'keys' (to get a list of possible keys) or 'packages' to get a list of	'keys' (to get a list of possible keys) or 'packages' to get a list of
packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata.	packages that this resource currently uses, the last 3 arguments are
	only used internally for recursive metadata.

	the toolsymb is only used where the uri is for an external tool (for which
	the uri as well as the symb are guaranteed to be unique).

this function automatically caches all requests	this function automatically caches all requests except any made recursively
	to retrieve a list of metadata keys for an imported library file ($liburi is
	defined).

=item *	=item *

Line 15856 will be stored for query	Line 15947 will be stored for query

=item *	=item *

symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :	symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :
return symbolic list entry (all arguments optional).	return symbolic list entry (all arguments optional).

Args: filename is the filename (including path) for the file for which a symb	Args: filename is the filename (including path) for the file for which a symb
is required; donotrecurse, if true will prevent calls to allowed() being made	is required; donotrecurse, if true will prevent calls to allowed() being made
to check access status if more than one resource was found in the bighash	to check access status if more than one resource was found in the bighash
(see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of	(see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of
a randompick); ignorecachednull, if true will prevent a symb of '' being	a randompick); ignorecachednull, if true will prevent a symb of '' being
returned if $env{$cache_str} is defined as ''; checkforblock if true will	returned if $env{$cache_str} is defined as ''; checkforblock if true will
cause possible symbs to be checked to determine if they are subject to content	cause possible symbs to be checked to determine if they are subject to content
blocking, if so they will not be included as possible symbs; possibles is a	blocking, if so they will not be included as possible symbs; possibles is a
ref to a hash, which, as a side effect, will be populated with all possible	ref to a hash, which, as a side effect, will be populated with all possible
symbs (content blocking not tested).	symbs (content blocking not tested).

returns the data handle	returns the data handle

=item *	=item *
Line 15879 and is a possible symb for the URL in $t	Line 15970 and is a possible symb for the URL in $t
resource that the user accessed using /enc/ returns a 1 on success, 0	resource that the user accessed using /enc/ returns a 1 on success, 0
on failure, user must be in a course, as it assumes the existence of	on failure, user must be in a course, as it assumes the existence of
the course initial hash, and uses $env('request.course.id'}. The third	the course initial hash, and uses $env('request.course.id'}. The third
arg is an optional reference to a scalar. If this arg is passed in the	arg is an optional reference to a scalar. If this arg is passed in the
call to symbverify, it will be set to 1 if the symb has been set to be	call to symbverify, it will be set to 1 if the symb has been set to be
encrypted; otherwise it will be null.	encrypted; otherwise it will be null.

=item *	=item *

Line 15934 expirespread($uname,$udom,$stype,$usymb)	Line 16025 expirespread($uname,$udom,$stype,$usymb)
devalidate($symb) : devalidate temporary spreadsheet calculations,	devalidate($symb) : devalidate temporary spreadsheet calculations,
forcing spreadsheet to reevaluate the resource scores next time.	forcing spreadsheet to reevaluate the resource scores next time.

=item *	=item *

can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource,	can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource,
when viewing in course context.	when viewing in course context.

input: six args -- filename (decluttered), course number, course domain,	input: six args -- filename (decluttered), course number, course domain,
url, symb (if registered) and group (if this is a	url, symb (if registered) and group (if this is a
group item -- e.g., bulletin board, group page etc.).	group item -- e.g., bulletin board, group page etc.).

output: array of five scalars --	output: array of five scalars --
Line 15948 when viewing in course context.	Line 16039 when viewing in course context.
$home -- homeserver of resource (i.e., for author if published,	$home -- homeserver of resource (i.e., for author if published,
or course if uploaded.).	or course if uploaded.).
$switchserver -- 1 if server switch will be needed.	$switchserver -- 1 if server switch will be needed.
$forceedit -- 1 if icon/link should be to go to edit mode	$forceedit -- 1 if icon/link should be to go to edit mode
$forceview -- 1 if icon/link should be to go to view mode	$forceview -- 1 if icon/link should be to go to view mode

=item *	=item *

is_course_upload($file,$cnum,$cdom)	is_course_upload($file,$cnum,$cdom)

Used in course context to determine if current file was uploaded to	Used in course context to determine if current file was uploaded to
the course (i.e., would be found in /userfiles/docs on the course's	the course (i.e., would be found in /userfiles/docs on the course's
homeserver.	homeserver.

input: 3 args -- filename (decluttered), course number and course domain.	input: 3 args -- filename (decluttered), course number and course domain.
Line 15970 homeserver.	Line 16061 homeserver.

=item *	=item *

store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash	store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash
permanently for this url; hashref needs to be given and should be a \%hashname;	permanently for this url; hashref needs to be given and should be a \%hashname;
the remaining args aren't required and if they aren't passed or are '' they will	the remaining args aren't required and if they aren't passed or are '' they will
be derived from the env (with the exception of $laststore, which is an	be derived from the env (with the exception of $laststore, which is an
optional arg used when a user's submission is stored in grading).	optional arg used when a user's submission is stored in grading).
$laststore is $version=$timestamp, where $version is the most recent version	$laststore is $version=$timestamp, where $version is the most recent version
number retrieved for the corresponding $symb in the $namespace db file, and	number retrieved for the corresponding $symb in the $namespace db file, and
$timestamp is the timestamp for that transaction (UNIX time).	$timestamp is the timestamp for that transaction (UNIX time).
$laststore is currently only passed when cstore() is called by	$laststore is currently only passed when cstore() is called by
structuretags::finalize_storage().	structuretags::finalize_storage().

=item *	=item *

cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store	cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store
but uses critical subroutine	but uses critical subroutine

=item *	=item *
Line 16121 server ($udom and $uhome are optional)	Line 16212 server ($udom and $uhome are optional)

=item *	=item *

get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults	get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults
for: authentication, language, quotas, timezone, date locale, and portal URL in	for: authentication, language, quotas, timezone, date locale, and portal URL in
the target domain.	the target domain.

Line 16155 requestcourses: ability to request cours	Line 16246 requestcourses: ability to request cours
=over	=over

=item	=item
official, unofficial, community, textbook	official, unofficial, community, textbook, placement

=back	=back

Line 16176 for course's uploaded content.	Line 16267 for course's uploaded content.
=over	=over

=item	=item
canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,	canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,
communityquota, textbookquota	communityquota, textbookquota, placementquota

=back	=back

Line 16187 on your servers.	Line 16278 on your servers.

=over	=over

=item	=item
remotesessions, hostedsessions	remotesessions, hostedsessions

=back	=back
Line 16195 remotesessions, hostedsessions	Line 16286 remotesessions, hostedsessions
=back	=back

In cases where a domain coordinator has never used the "Set Domain Configuration"	In cases where a domain coordinator has never used the "Set Domain Configuration"
utility to create a configuration.db file on a domain's primary library server	utility to create a configuration.db file on a domain's primary library server
only the following domain defaults: auth_def, auth_arg_def, lang_def	only the following domain defaults: auth_def, auth_arg_def, lang_def
-- corresponding values are authentication type (internal, krb4, krb5,	-- corresponding values are authentication type (internal, krb4, krb5,
or localauth), initial password or a kerberos realm, language (e.g., en-us) --	or localauth), initial password or a kerberos realm, language (e.g., en-us) --
will be available. Values are retrieved from cache (if current), unless the	will be available. Values are retrieved from cache (if current), unless the
optional $ignore_cache arg is true, or from domain's configuration.db (if available),	optional $ignore_cache arg is true, or from domain's configuration.db (if available),
or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab.	or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab.
Line 16627 Returns:	Line 16718 Returns:

get_timebased_id():	get_timebased_id():

Attempts to get a unique timestamp-based suffix for use with items added to a	Attempts to get a unique timestamp-based suffix for use with items added to a
course via the Course Editor (e.g., folders, composite pages,	course via the Course Editor (e.g., folders, composite pages,
group bulletin boards).	group bulletin boards).

Args: (first three required; six others optional)	Args: (first three required; six others optional)
Line 16639 Args: (first three required; six others	Line 16730 Args: (first three required; six others
2. keyid (alphanumeric): name of temporary locking key in hash,	2. keyid (alphanumeric): name of temporary locking key in hash,
e.g., num, boardids	e.g., num, boardids

3. namespace: name of gdbm file used to store suffixes already assigned;	3. namespace: name of gdbm file used to store suffixes already assigned;
file will be named nohist_namespace.db	file will be named nohist_namespace.db

4. cdom: domain of course; default is current course domain from %env	4. cdom: domain of course; default is current course domain from %env

5. cnum: course number; default is current course number from %env	5. cnum: course number; default is current course number from %env

6. idtype: set to concat if an additional digit is to be appended to the	6. idtype: set to concat if an additional digit is to be appended to the
unix timestamp to form the suffix, if the plain timestamp is already	unix timestamp to form the suffix, if the plain timestamp is already
in use. Default is to not do this, but simply increment the unix	in use. Default is to not do this, but simply increment the unix
timestamp by 1 until a unique key is obtained.	timestamp by 1 until a unique key is obtained.

7. who: holder of locking key; defaults to user:domain for user.	7. who: holder of locking key; defaults to user:domain for user.

8. locktries: number of attempts to obtain a lock (sleep of 1s before	8. locktries: number of attempts to obtain a lock (sleep of 1s before
retrying); default is 3.	retrying); default is 3.

9. maxtries: number of attempts to obtain a unique suffix; default is 20.	9. maxtries: number of attempts to obtain a unique suffix; default is 20.

Returns:	Returns:

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1172.2.146.2.8
changed lines
	Added in v.1.1430