--- loncom/lonnet/perl/lonnet.pm 2020/01/17 16:49:28 1.1172.2.118.2.1
+++ loncom/lonnet/perl/lonnet.pm 2020/11/24 16:57:37 1.1172.2.118.2.12
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1172.2.118.2.1 2020/01/17 16:49:28 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.118.2.12 2020/11/24 16:57:37 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -263,9 +263,10 @@ sub get_server_loncaparev {
if ($caller eq 'loncron') {
my $ua=new LWP::UserAgent;
$ua->timeout(4);
+ my $hostname = &hostname($lonhost);
my $protocol = $protocol{$lonhost};
$protocol = 'http' if ($protocol ne 'https');
- my $url = $protocol.'://'.&hostname($lonhost).'/adm/about.html';
+ my $url = $protocol.'://'.$hostname.'/adm/about.html';
my $request=new HTTP::Request('GET',$url);
my $response=$ua->request($request);
unless ($response->is_error()) {
@@ -953,13 +954,13 @@ sub spareserver {
}
if (!$want_server_name) {
- my $protocol = 'http';
- if ($protocol{$spare_server} eq 'https') {
- $protocol = $protocol{$spare_server};
- }
if (defined($spare_server)) {
my $hostname = &hostname($spare_server);
if (defined($hostname)) {
+ my $protocol = 'http';
+ if ($protocol{$spare_server} eq 'https') {
+ $protocol = $protocol{$spare_server};
+ }
$spare_server = $protocol.'://'.$hostname;
}
}
@@ -1081,6 +1082,21 @@ sub check_for_balancer_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 {
my ($cookie,$balancer) =@_;
if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
@@ -1090,7 +1106,7 @@ sub delbalcookie {
my $intdom = &internet_dom($balancer);
my $serverhomedom = &host_domain($balancer);
if (($uintdom ne '') && ($uintdom eq $intdom)) {
- return &reply("delbalcookie:$cookie",$balancer);
+ return &reply('delbalcookie:'.&escape($cookie),$balancer);
}
}
}
@@ -1161,6 +1177,28 @@ sub choose_server {
return ($login_host,$hostname,$portal_path,$isredirect,$lowest_load);
}
+sub get_course_sessions {
+ my ($cnum,$cdom,$lastactivity) = @_;
+ my %servers = &internet_dom_servers($cdom);
+ my %returnhash;
+ foreach my $server (sort(keys(%servers))) {
+ my $rep = &reply("coursesessions:$cdom:$cnum:$lastactivity",$server);
+ my @pairs=split(/\&/,$rep);
+ unless (($rep eq 'unknown_cmd') || ($rep =~ /^error/)) {
+ foreach my $item (@pairs) {
+ my ($key,$value)=split(/=/,$item,2);
+ $key = &unescape($key);
+ next if ($key =~ /^error: 2 /);
+ if (exists($returnhash{$key})) {
+ next if ($value < $returnhash{$key});
+ }
+ $returnhash{$key}=$value;
+ }
+ }
+ }
+ return %returnhash;
+}
+
# --------------------------------------------- Try to change a user's password
sub changepass {
@@ -1555,7 +1593,7 @@ sub check_loadbalancing {
if ($domneedscache) {
&do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
}
- if ($is_balancer) {
+ if (($is_balancer) && ($caller ne 'switchserver')) {
my $lowest_load = 30000;
if (ref($offloadto) eq 'HASH') {
if (ref($offloadto->{'primary'}) eq 'ARRAY') {
@@ -1595,9 +1633,9 @@ sub check_loadbalancing {
}
}
}
- unless ($homeintdom) {
- undef($setcookie);
- }
+ }
+ if (($is_balancer) && (!$homeintdom)) {
+ undef($setcookie);
}
return ($is_balancer,$otherserver,$setcookie);
}
@@ -2049,7 +2087,7 @@ sub usersearch {
unless ($tryserver eq $perlvar{'lonHostID'}) {
if ($srch->{'srchby'} eq 'email') {
my $lcrev = &get_server_loncaparev($dom,$tryserver);
- my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+)\'?$/);
+ my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
next if (($major eq '' && $minor eq '') || ($major < 2) ||
(($major == 2) && ($minor < 11)) ||
(($major == 2) && ($minor == 11) && ($subver < 3)));
@@ -3071,6 +3109,27 @@ sub repcopy {
}
}
+# ------------------------------------------------- Unsubscribe from a resource
+
+sub unsubscribe {
+ my ($fname) = @_;
+ my $answer;
+ if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return $answer; }
+ $fname=~s/[\n\r]//g;
+ my $author=$fname;
+ $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
+ my ($udom,$uname)=split(/\//,$author);
+ my $home=homeserver($uname,$udom);
+ if ($home eq 'no_host') {
+ $answer = 'no_host';
+ } elsif (grep { $_ eq $home } ¤t_machine_ids()) {
+ $answer = 'home';
+ } else {
+ $answer = reply("unsub:$fname",$home);
+ }
+ return $answer;
+}
+
# ------------------------------------------------ Get server side include body
sub ssi_body {
my ($filelink,%form)=@_;
@@ -3197,13 +3256,13 @@ sub remove_stale_resfile {
(grep { $_ eq $homeserver } ¤t_machine_ids())) {
my $fname = &filelocation('',$url);
if (-e $fname) {
- my $ua=new LWP::UserAgent;
- $ua->timeout(5);
- my $protocol = $protocol{$homeserver};
- $protocol = 'http' if ($protocol ne 'https');
my $hostname = &hostname($homeserver);
if ($hostname) {
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url);
+ my $ua=new LWP::UserAgent;
+ $ua->timeout(5);
my $request=new HTTP::Request('HEAD',$uri);
my $response=$ua->request($request);
if ($response->is_success()) {
@@ -3229,12 +3288,18 @@ sub remove_stale_resfile {
$stale = 1;
}
if ($stale) {
- unlink($fname);
- if ($uri!~/\.meta$/) {
- unlink($fname.'.meta');
+ if (unlink($fname)) {
+ if ($uri!~/\.meta$/) {
+ if (-e $fname.'.meta') {
+ unlink($fname.'.meta');
+ }
+ }
+ my $unsubresult = &unsubscribe($fname);
+ unless ($unsubresult eq 'ok') {
+ &logthis("no unsub of $fname from $homeserver, reason: $unsubresult");
+ }
+ $removed = 1;
}
- &reply("unsub:$fname",$homeserver);
- $removed = 1;
}
}
}
@@ -3384,6 +3449,18 @@ sub can_edit_resource {
$forceedit = 1;
}
$cfile = $resurl;
+ } elsif (($resurl =~ m{^/ext/}) && ($symb ne '')) {
+ my ($map,$id,$res) = &decode_symb($symb);
+ if ($map =~ /\.page$/) {
+ $incourse = 1;
+ if ($env{'form.forceedit'}) {
+ $forceview = 1;
+ $cfile = $map;
+ } else {
+ $forceedit = 1;
+ $cfile = '/adm/wrapper'.$resurl;
+ }
+ }
} elsif ($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) {
$incourse = 1;
if ($env{'form.forceedit'}) {
@@ -4656,7 +4733,11 @@ sub courseacclog {
if ($formitem =~ /^HWFILE(?:SIZE|TOOBIG)/) {
$what.=':'.$formitem.'='.$env{$key};
} elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
- $what.=':'.$formitem.'='.$env{$key};
+ if ($formitem eq 'proctorpassword') {
+ $what.=':'.$formitem.'=' . '*' x length($env{$key});
+ } else {
+ $what.=':'.$formitem.'='.$env{$key};
+ }
}
}
}
@@ -7769,7 +7850,7 @@ sub customaccess {
# ------------------------------------------------- Check for a user privilege
sub allowed {
- my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_;
+ my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_;
my $ver_orguri=$uri;
$uri=&deversion($uri);
my $orguri=$uri;
@@ -7994,7 +8075,7 @@ sub allowed {
if ($noblockcheck) {
$thisallowed.=$value;
} else {
- my @blockers = &has_comm_blocking($priv,$symb,$uri);
+ my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
if (@blockers > 0) {
$thisallowed = 'B';
} else {
@@ -8014,7 +8095,7 @@ sub allowed {
if ($noblockcheck) {
$thisallowed='F';
} else {
- my @blockers = &has_comm_blocking($priv,$symb,$refuri);
+ my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
if (@blockers > 0) {
$thisallowed = 'B';
} else {
@@ -8033,7 +8114,7 @@ sub allowed {
&& &is_portfolio_url($uri)) {
$thisallowed = &portfolio_access($uri,$clientip);
}
-
+
# Full access at system, domain or course-wide level? Exit.
if ($thisallowed=~/F/) {
return 'F';
@@ -8087,7 +8168,7 @@ sub allowed {
if ($noblockcheck) {
$thisallowed.=$value;
} else {
- my @blockers = &has_comm_blocking($priv,$symb,$uri);
+ my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
if (@blockers > 0) {
$thisallowed = 'B';
} else {
@@ -8100,7 +8181,7 @@ sub allowed {
$checkreferer=0;
}
}
-
+
if ($checkreferer) {
my $refuri=$env{'httpref.'.$orguri};
unless ($refuri) {
@@ -8129,7 +8210,7 @@ sub allowed {
if ($noblockcheck) {
$thisallowed.=$value;
} else {
- my @blockers = &has_comm_blocking($priv,$symb,$refuri);
+ my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
if (@blockers > 0) {
$thisallowed = 'B';
} else {
@@ -8215,7 +8296,7 @@ sub allowed {
}
}
}
-
+
#
# Rest of the restrictions depend on selected course
#
@@ -8373,22 +8454,27 @@ sub constructaccess {
#
# User for whom data are being temporarily cached.
my $cacheduser='';
+# Course for which data are being temporarily cached.
+my $cachedcid='';
# Cached blockers for this user (a hash of blocking items).
my %cachedblockers=();
# When the data were last cached.
my $cachedlast='';
sub load_all_blockers {
- my ($uname,$udom,$blocks)=@_;
+ my ($uname,$udom)=@_;
if (($uname ne '') && ($udom ne '')) {
if (($cacheduser eq $uname.':'.$udom) &&
+ ($cachedcid eq $env{'request.course.id'}) &&
(abs($cachedlast-time)<5)) {
return;
}
}
$cachedlast=time;
$cacheduser=$uname.':'.$udom;
- %cachedblockers = &get_commblock_resources($blocks);
+ $cachedcid=$env{'request.course.id'};
+ %cachedblockers = &get_commblock_resources();
+ return;
}
sub get_comm_blocks {
@@ -8468,14 +8554,23 @@ sub get_commblock_resources {
if ($mapsymb) {
if (ref($navmap)) {
my $mapres = $navmap->getBySymb($mapsymb);
- @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1);
- foreach my $res (@to_test) {
- my $symb = $res->symb();
- next if ($symb eq $mapsymb);
- if ($symb ne '') {
- @interval=&EXT("resource.0.interval",$symb);
- if ($interval[1] eq 'map') {
- last;
+ 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;
+ }
+ }
}
}
}
@@ -8526,17 +8621,23 @@ sub get_commblock_resources {
}
sub has_comm_blocking {
- my ($priv,$symb,$uri,$blocks) = @_;
+ my ($priv,$symb,$uri,$ignoresymbdb,$noenccheck,$blocked,$blocks) = @_;
my @blockers;
return unless ($env{'request.course.id'});
return unless ($priv eq 'bre');
return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
return if ($env{'request.state'} eq 'construct');
- &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks);
- return unless (keys(%cachedblockers) > 0);
+ my %blockinfo;
+ if (ref($blocks) eq 'HASH') {
+ %blockinfo = &get_commblock_resources($blocks);
+ } else {
+ &load_all_blockers($env{'user.name'},$env{'user.domain'});
+ %blockinfo = %cachedblockers;
+ }
+ return unless (keys(%blockinfo) > 0);
my (%possibles,@symbs);
if (!$symb) {
- $symb = &symbread($uri,1,1,1,\%possibles);
+ $symb = &symbread($uri,1,1,1,\%possibles,$ignoresymbdb,$noenccheck);
}
if ($symb) {
@symbs = ($symb);
@@ -8547,34 +8648,38 @@ sub has_comm_blocking {
foreach my $symb (@symbs) {
last if ($noblock);
my ($map,$resid,$resurl)=&decode_symb($symb);
- foreach my $block (keys(%cachedblockers)) {
+ foreach my $block (keys(%blockinfo)) {
if ($block =~ /^firstaccess____(.+)$/) {
my $item = $1;
- if (($item eq $map) || ($item eq $symb)) {
- $noblock = 1;
- last;
+ unless ($blocked) {
+ if (($item eq $map) || ($item eq $symb)) {
+ $noblock = 1;
+ last;
+ }
}
}
- if (ref($cachedblockers{$block}) eq 'HASH') {
- if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') {
- if ($cachedblockers{$block}{'resources'}{$symb}) {
+ if (ref($blockinfo{$block}) eq 'HASH') {
+ if (ref($blockinfo{$block}{'resources'}) eq 'HASH') {
+ if ($blockinfo{$block}{'resources'}{$symb}) {
unless (grep(/^\Q$block\E$/,@blockers)) {
push(@blockers,$block);
}
}
}
- }
- if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
- if ($cachedblockers{$block}{'maps'}{$map}) {
- unless (grep(/^\Q$block\E$/,@blockers)) {
- push(@blockers,$block);
+ if (ref($blockinfo{$block}{'maps'}) eq 'HASH') {
+ if ($blockinfo{$block}{'maps'}{$map}) {
+ unless (grep(/^\Q$block\E$/,@blockers)) {
+ push(@blockers,$block);
+ }
}
}
}
}
}
- return if ($noblock);
- return @blockers;
+ unless ($noblock) {
+ return @blockers;
+ }
+ return;
}
}
@@ -10220,14 +10325,19 @@ sub writecoursepref {
sub createcourse {
my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
- $course_owner,$crstype,$cnum,$context,$category)=@_;
+ $course_owner,$crstype,$cnum,$context,$category,$callercontext)=@_;
$url=&declutter($url);
my $cid='';
if ($context eq 'requestcourses') {
my $can_create = 0;
my ($ownername,$ownerdom) = split(':',$course_owner);
if ($udom eq $ownerdom) {
- if (&usertools_access($ownername,$ownerdom,$category,undef,
+ my $reload;
+ if (($callercontext eq 'auto') &&
+ ($ownerdom eq $env{'user.domain'}) && ($ownername eq $env{'user.name'})) {
+ $reload = 'reload';
+ }
+ if (&usertools_access($ownername,$ownerdom,$category,$reload,
$context)) {
$can_create = 1;
}
@@ -11255,42 +11365,47 @@ sub resdata {
}
if (!ref($result)) { return $result; }
foreach my $item (@which) {
- if (ref($item) eq 'ARRAY') {
- if (defined($result->{$item->[0]})) {
- return [$result->{$item->[0]},$item->[1]];
- }
+ if (defined($result->{$item->[0]})) {
+ return [$result->{$item->[0]},$item->[1]];
}
}
return undef;
}
-sub get_domain_ltitools {
- my ($cdom) = @_;
- my %ltitools;
- my ($result,$cached)=&is_cached_new('ltitools',$cdom);
+sub get_domain_lti {
+ my ($cdom,$context) = @_;
+ my ($name,%lti);
+ if ($context eq 'consumer') {
+ $name = 'ltitools';
+ } elsif ($context eq 'provider') {
+ $name = 'lti';
+ } else {
+ return %lti;
+ }
+ my ($result,$cached)=&is_cached_new($name,$cdom);
if (defined($cached)) {
if (ref($result) eq 'HASH') {
- %ltitools = %{$result};
+ %lti = %{$result};
}
} else {
- my %domconfig = &get_dom('configuration',['ltitools'],$cdom);
- if (ref($domconfig{'ltitools'}) eq 'HASH') {
- %ltitools = %{$domconfig{'ltitools'}};
- my %encdomconfig = &get_dom('encconfig',['ltitools'],$cdom);
- if (ref($encdomconfig{'ltitools'}) eq 'HASH') {
- foreach my $id (keys(%ltitools)) {
- if (ref($encdomconfig{'ltitools'}{$id}) eq 'HASH') {
+ my %domconfig = &get_dom('configuration',[$name],$cdom);
+ if (ref($domconfig{$name}) eq 'HASH') {
+ %lti = %{$domconfig{$name}};
+ my %encdomconfig = &get_dom('encconfig',[$name],$cdom);
+ if (ref($encdomconfig{$name}) eq 'HASH') {
+ foreach my $id (keys(%lti)) {
+ if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
foreach my $item ('key','secret') {
- $ltitools{$id}{$item} = $encdomconfig{'ltitools'}{$id}{$item};
+ $lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
}
}
}
}
}
my $cachetime = 24*60*60;
- &do_cache_new('ltitools',$cdom,\%ltitools,$cachetime);
+ &do_cache_new($name,$cdom,\%lti,$cachetime);
}
- return %ltitools;
+ return %lti;
}
sub get_numsuppfiles {
@@ -12335,18 +12450,16 @@ sub symbverify {
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
&GDBM_READER(),0640)) {
- my $noclutter;
if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) {
$thisurl =~ s/\?.+$//;
if ($map =~ m{^uploaded/.+\.page$}) {
$thisurl =~ s{^(/adm/wrapper|)/ext/}{http://};
$thisurl =~ s{^\Qhttp://https://\E}{https://};
- $noclutter = 1;
}
}
my $ids;
- if ($noclutter) {
- $ids=$bighash{'ids_'.$thisurl};
+ if ($map =~ m{^uploaded/.+\.page$}) {
+ $ids=$bighash{'ids_'.&clutter_with_no_wrapper($thisurl)};
} else {
$ids=$bighash{'ids_'.&clutter($thisurl)};
}
@@ -12446,13 +12559,16 @@ sub deversion {
# ------------------------------------------------------ Return symb list entry
sub symbread {
- my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_;
+ my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles,
+ $ignoresymbdb,$noenccheck)=@_;
my $cache_str='request.symbread.cached.'.$thisfn;
if (defined($env{$cache_str})) {
- if ($ignorecachednull) {
- return $env{$cache_str} unless ($env{$cache_str} eq '');
- } else {
- return $env{$cache_str};
+ unless (ref($possibles) eq 'HASH') {
+ if ($ignorecachednull) {
+ return $env{$cache_str} unless ($env{$cache_str} eq '');
+ } else {
+ return $env{$cache_str};
+ }
}
}
# no filename provided? try from environment
@@ -12481,10 +12597,18 @@ sub symbread {
if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
$targetfn=$1;
}
- if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
- &GDBM_READER(),0640)) {
- $syval=$hash{$targetfn};
- untie(%hash);
+ unless ($ignoresymbdb) {
+ if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
+ &GDBM_READER(),0640)) {
+ $syval=$hash{$targetfn};
+ untie(%hash);
+ }
+ if ($syval && $checkforblock) {
+ my @blockers = &has_comm_blocking('bre',$syval,$thisfn,$ignoresymbdb,$noenccheck);
+ if (@blockers) {
+ $syval='';
+ }
+ }
}
# ---------------------------------------------------------- There was an entry
if ($syval) {
@@ -12517,13 +12641,18 @@ sub symbread {
$syval=&encode_symb($bighash{'map_id_'.$mapid},
$resid,$thisfn);
if (ref($possibles) eq 'HASH') {
- $possibles->{$syval} = 1;
+ unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
+ $possibles->{$syval} = 1;
+ }
}
if ($checkforblock) {
- my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids});
- if (@blockers) {
- $syval = '';
- return;
+ unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
+ my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids},'',$noenccheck);
+ if (@blockers) {
+ $syval = '';
+ untie(%bighash);
+ return $env{$cache_str}='';
+ }
}
}
} elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
@@ -12542,12 +12671,13 @@ sub symbread {
if ($bighash{'map_type_'.$mapid} ne 'page') {
my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
$resid,$thisfn);
- if (ref($possibles) eq 'HASH') {
- $possibles->{$syval} = 1;
- }
+ next if ($bighash{'randomout_'.$id} && !$env{'request.role.adv'});
+ next unless (($noenccheck) || ($bighash{'encrypted_'.$id} eq $env{'request.enc'}));
if ($checkforblock) {
- my @blockers = &has_comm_blocking('bre',$poss_syval,$file);
- unless (@blockers > 0) {
+ my @blockers = &has_comm_blocking('bre',$poss_syval,$file,'',$noenccheck);
+ if (@blockers > 0) {
+ $syval = '';
+ } else {
$syval = $poss_syval;
$realpossible++;
}
@@ -12555,6 +12685,11 @@ sub symbread {
$syval = $poss_syval;
$realpossible++;
}
+ if ($syval) {
+ if (ref($possibles) eq 'HASH') {
+ $possibles->{$syval} = 1;
+ }
+ }
}
}
}
@@ -13092,9 +13227,10 @@ sub repcopy_userfile {
my $request;
$uri=~s/^\///;
my $homeserver = &homeserver($cnum,$cdom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- $request=new HTTP::Request('GET',$protocol.'://'.&hostname($homeserver).'/raw/'.$uri);
+ $request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);
my $response=$ua->request($request,$transferfile);
# did it work?
if ($response->is_error()) {
@@ -13118,9 +13254,10 @@ sub tokenwrapper {
$file=~s|(\?\.*)*$||;
&appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
my $homeserver = &homeserver($uname,$udom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- return $protocol.'://'.&hostname($homeserver).'/'.$uri.
+ return $protocol.'://'.$hostname.'/'.$uri.
(($uri=~/\?/)?'&':'?').'token='.$token.
'&tokenissued='.$perlvar{'lonHostID'};
} else {
@@ -13136,9 +13273,10 @@ sub getuploaded {
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
$uri=~s/^\///;
my $homeserver = &homeserver($cnum,$cdom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- $uri = $protocol.'://'.&hostname($homeserver).'/raw/'.$uri;
+ $uri = $protocol.'://'.$hostname.'/raw/'.$uri;
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request($reqtype,$uri);
my $response=$ua->request($request);
@@ -13313,6 +13451,45 @@ sub shared_institution {
return $same_intdom;
}
+sub uses_sts {
+ my ($ignore_cache) = @_;
+ my $lonhost = $perlvar{'lonHostID'};
+ my $hostname = &hostname($lonhost);
+ my $sts_on;
+ if ($protocol{$lonhost} eq 'https') {
+ my $cachetime = 12*3600;
+ if (!$ignore_cache) {
+ ($sts_on,my $cached)=&is_cached_new('stspolicy',$lonhost);
+ if (defined($cached)) {
+ return $sts_on;
+ }
+ }
+ my $ua=new LWP::UserAgent;
+ my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';
+ my $request=new HTTP::Request('HEAD',$url);
+ my $response=$ua->request($request);
+ if ($response->is_success) {
+ my $has_sts = $response->header('Strict-Transport-Security');
+ if ($has_sts eq '') {
+ $sts_on = 0;
+ } else {
+ if ($has_sts =~ /\Qmax-age=\E(\d+)/) {
+ my $maxage = $1;
+ if ($maxage) {
+ $sts_on = 1;
+ } else {
+ $sts_on = 0;
+ }
+ } else {
+ $sts_on = 0;
+ }
+ }
+ return &do_cache_new('stspolicy',$lonhost,$sts_on,$cachetime);
+ }
+ }
+ return;
+}
+
# ------------------------------------------------------------- Declutters URLs
sub declutter {