--- loncom/lonnet/perl/lonnet.pm 2020/10/01 13:19:14 1.1172.2.118.2.8 +++ loncom/lonnet/perl/lonnet.pm 2021/06/20 18:54:07 1.1172.2.118.2.20 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1172.2.118.2.8 2020/10/01 13:19:14 raeburn Exp $ +# $Id: lonnet.pm,v 1.1172.2.118.2.20 2021/06/20 18:54:07 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -125,12 +125,13 @@ our @EXPORT = qw(%env); $logid ++; my $now = time(); my $id=$now.'00000'.$$.'00000'.$logid; + my $ip = &get_requestor_ip(); my $logentry = { $id => { 'exe_uname' => $env{'user.name'}, 'exe_udom' => $env{'user.domain'}, 'exe_time' => $now, - 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'exe_ip' => $ip, 'delflag' => $delflag, 'logentry' => $storehash, 'uname' => $uname, @@ -1082,6 +1083,21 @@ 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}$/) { @@ -1091,7 +1107,7 @@ 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); } } } @@ -1360,6 +1376,15 @@ sub spare_can_host { $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)) { my @intdoms; my $internet_names = &get_internet_names($try_server); @@ -1578,7 +1603,7 @@ 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') { @@ -1618,9 +1643,9 @@ sub check_loadbalancing { } } } - unless ($homeintdom) { - undef($setcookie); - } + } + if (($is_balancer) && (!$homeintdom)) { + undef($setcookie); } return ($is_balancer,$otherserver,$setcookie); } @@ -1874,10 +1899,19 @@ sub get_dom { } if ($udom && $uhome && ($uhome ne 'no_host')) { my $rep; - if ($namespace =~ /^enc/) { - $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome); + if (grep { $_ eq $uhome } ¤t_machine_ids()) { + # domain information is hosted on this machine + my $cmd = 'getdom'; + if ($namespace =~ /^enc/) { + $cmd = 'egetdom'; + } + $rep = &LONCAPA::Lond::get_dom("$cmd:$udom:$namespace:$items"); } else { - $rep=&reply("getdom:$udom:$namespace:$items",$uhome); + if ($namespace =~ /^enc/) { + $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome); + } else { + $rep=&reply("getdom:$udom:$namespace:$items",$uhome); + } } my %returnhash; if ($rep eq '' || $rep =~ /^error: 2 /) { @@ -2409,6 +2443,9 @@ sub get_domain_defaults { if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') { $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'}{'admin'}) eq 'HASH') { @@ -3748,6 +3785,10 @@ sub clean_filename { # Replace all .\d. sequences with _\d. so they no longer look like version # numbers $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; } @@ -4718,7 +4759,11 @@ 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}; + } } } } @@ -5550,13 +5595,14 @@ 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.'&'.$ENV{'REMOTE_ADDR'}); + $now.'&'.$ip); my $token=&reply('tmpput:'.$infostr,$lonhost); if ($token=~/^error\:/) { &logthis("WARNING: ". @@ -5570,7 +5616,7 @@ sub checkout { my %infohash=('resource.0.outtoken' => $token, 'resource.0.checkouttime' => $now, - 'resource.0.outremote' => $ENV{'REMOTE_ADDR'}); + 'resource.0.outremote' => $ip); unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { return ''; @@ -5601,6 +5647,7 @@ sub checkin { $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))); @@ -5617,7 +5664,7 @@ sub checkin { my %infohash=('resource.0.intoken' => $token, 'resource.0.checkintime' => $now, - 'resource.0.inremote' => $ENV{'REMOTE_ADDR'}); + 'resource.0.inremote' => $ip); unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { return ''; @@ -5885,7 +5932,7 @@ sub tmpreset { if (!$domain) { $domain=$env{'user.domain'}; } if (!$stuname) { $stuname=$env{'user.name'}; } if ($domain eq 'public' && $stuname eq 'public') { - $stuname=$ENV{'REMOTE_ADDR'}; + $stuname=&get_requestor_ip(); } my $path=LONCAPA::tempdir(); my %hash; @@ -5922,7 +5969,7 @@ sub tmpstore { if (!$domain) { $domain=$env{'user.domain'}; } if (!$stuname) { $stuname=$env{'user.name'}; } if ($domain eq 'public' && $stuname eq 'public') { - $stuname=$ENV{'REMOTE_ADDR'}; + $stuname=&get_requestor_ip(); } my $now=time; my %hash; @@ -5966,7 +6013,7 @@ sub tmprestore { if (!$domain) { $domain=$env{'user.domain'}; } if (!$stuname) { $stuname=$env{'user.name'}; } if ($domain eq 'public' && $stuname eq 'public') { - $stuname=$ENV{'REMOTE_ADDR'}; + $stuname=&get_requestor_ip(); } my %returnhash; $namespace=~s/\//\_/g; @@ -6022,7 +6069,7 @@ sub store { } if (!$home) { $home=$env{'user.home'}; } - $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'ip'}=&get_requestor_ip(); $$storehash{'host'}=$perlvar{'lonHostID'}; my $namevalue=''; @@ -6058,7 +6105,7 @@ sub cstore { } if (!$home) { $home=$env{'user.home'}; } - $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'ip'}=&get_requestor_ip(); $$storehash{'host'}=$perlvar{'lonHostID'}; my $namevalue=''; @@ -7050,7 +7097,8 @@ sub putstore { foreach my $key (keys(%{$storehash})) { $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&'; } - $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}). + my $ip = &get_requestor_ip(); + $namevalue .= 'ip='.&escape($ip). '&host='.&escape($perlvar{'lonHostID'}). '&version='.$esc_v. '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'}); @@ -7848,7 +7896,7 @@ sub allowed { if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; } # Free bre access to adm and meta resources - if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$})) + if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|viewclasslist|aboutme|ext\.tool)$})) || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) && ($priv eq 'bre')) { return 'F'; @@ -8437,32 +8485,24 @@ sub constructaccess { my $cacheduser=''; # Course for which data are being temporarily cached. my $cachedcid=''; -# List of blocks passed to &get_commblock_resources(); -my $cachedblocks=''; # 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) && - (((ref($blocks) eq 'HASH') && - ($cachedblocks eq join(',',sort(keys(%{$blocks}))))) || - (!ref($blocks) && $cachedblocks eq ''))) { + (abs($cachedlast-time)<5)) { return; } } $cachedlast=time; $cacheduser=$uname.':'.$udom; $cachedcid=$env{'request.course.id'}; - %cachedblockers = &get_commblock_resources($blocks); - if ((ref($blocks) eq 'HASH') && (keys(%{$blocks}) > 0)) { - $cachedblocks = join(',',sort(keys(%{$blocks}))); - } + %cachedblockers = &get_commblock_resources(); return; } @@ -8543,14 +8583,23 @@ 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; + } + } } } } @@ -8601,17 +8650,23 @@ sub get_commblock_resources { } sub has_comm_blocking { - my ($priv,$symb,$uri,$nosymbcache,$noenccheck,$blocked,$blocks) = @_; + my ($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,$nosymbcache,$noenccheck); + $symb = &symbread($uri,1,1,1,\%possibles,$ignoresymbdb,$noenccheck); } if ($symb) { @symbs = ($symb); @@ -8622,7 +8677,7 @@ 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 = $1; unless ($blocked) { @@ -8632,16 +8687,16 @@ sub has_comm_blocking { } } } - 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}) { + if (ref($blockinfo{$block}{'maps'}) eq 'HASH') { + if ($blockinfo{$block}{'maps'}{$map}) { unless (grep(/^\Q$block\E$/,@blockers)) { push(@blockers,$block); } @@ -9051,6 +9106,25 @@ sub auto_validate_instcode { 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 $response; +} + sub auto_create_password { my ($cnum,$cdom,$authparam,$udom) = @_; my ($homeserver,$response); @@ -9322,6 +9396,38 @@ sub auto_validate_class_sec { 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($value); + } + } + } + return %reformatted; +} + sub auto_validate_instclasses { my ($cdom,$cnum,$owners,$classesref) = @_; my ($homeserver,%validations); @@ -9866,11 +9972,23 @@ sub autoupdate_coowners { if ($domdesign{$cdom.'.autoassign.co-owners'}) { my %coursehash = &coursedescription($cdom.'_'.$cnum); my $instcode = $coursehash{'internal.coursecode'}; + my $xlists = $coursehash{'internal.crosslistings'}; if ($instcode ne '') { if (($start && $start <= $now) && ($end == 0) || ($end > $now)) { unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) { my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners); 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 ($result eq 'valid') { if ($coursehash{'internal.co-owners'}) { foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) { @@ -9883,18 +10001,16 @@ sub autoupdate_coowners { } else { push(@newcoowners,$uname.':'.$udom); } - } else { - if ($coursehash{'internal.co-owners'}) { - foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) { - unless ($coowner eq $uname.':'.$udom) { - push(@newcoowners,$coowner); - } - } - unless (@newcoowners > 0) { - $delcoowners = 1; - $coowners = ''; + } elsif ($coursehash{'internal.co-owners'}) { + foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) { + unless ($coowner eq $uname.':'.$udom) { + push(@newcoowners,$coowner); } } + unless (@newcoowners > 0) { + $delcoowners = 1; + $coowners = ''; + } } if (@newcoowners || $delcoowners) { &store_coowners($cdom,$cnum,$coursehash{'home'}, @@ -9968,13 +10084,14 @@ sub modifyuserauth { ' in domain '.$env{'request.role.domain'}); my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. &escape($upass),$uhome); + my $ip = &get_requestor_ip(); &log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, 'Authentication changed for '.$udom.', '.$uname.', '.$umode. - '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); + '(Remote '.$ip.'): '.$reply); &log($udom,,$uname,$uhome, 'Authentication changed by '.$env{'user.domain'}.', '. $env{'user.name'}.', '.$umode. - '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); + '(Remote '.$ip.'): '.$reply); unless ($reply eq 'ok') { &logthis('Authentication mode error: '.$reply); return 'error: '.$reply; @@ -10495,7 +10612,7 @@ sub store_userdata { if (($uhome eq '') || ($uhome eq 'no_host')) { $result = 'error: no_host'; } else { - $storehash->{'ip'} = $ENV{'REMOTE_ADDR'}; + $storehash->{'ip'} = &get_requestor_ip(); $storehash->{'host'} = $perlvar{'lonHostID'}; my $namevalue=''; @@ -11346,33 +11463,40 @@ sub resdata { return undef; } -sub get_domain_ltitools { - my ($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 { @@ -12527,9 +12651,9 @@ sub deversion { sub symbread { my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles, - $nocache,$noenccheck)=@_; + $ignoresymbdb,$noenccheck)=@_; my $cache_str='request.symbread.cached.'.$thisfn; - if (defined($env{$cache_str}) && !$nocache) { + if (defined($env{$cache_str})) { unless (ref($possibles) eq 'HASH') { if ($ignorecachednull) { return $env{$cache_str} unless ($env{$cache_str} eq ''); @@ -12541,11 +12665,7 @@ sub symbread { # no filename provided? try from environment unless ($thisfn) { if ($env{'request.symb'}) { - if ($nocache) { - return &symbclean($env{'request.symb'}); - } else { - return $env{$cache_str}=&symbclean($env{'request.symb'}); - } + return $env{$cache_str}=&symbclean($env{'request.symb'}); } $thisfn=$env{'request.filename'}; } @@ -12553,11 +12673,7 @@ sub symbread { # is that filename actually a symb? Verify, clean, and return if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { if (&symbverify($thisfn,$1)) { - if ($nocache) { - return &symbclean($thisfn); - } else { - return $env{$cache_str}=&symbclean($thisfn); - } + return $env{$cache_str}=&symbclean($thisfn); } } $thisfn=declutter($thisfn); @@ -12572,14 +12688,14 @@ sub symbread { if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) { $targetfn=$1; } - unless ($nocache) { + unless ($ignoresymbdb) { if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_READER(),0640)) { $syval=$hash{$targetfn}; untie(%hash); } - if ($syval) { - my @blockers = &has_comm_blocking('bre',$syval,$thisfn,$nocache,$noenccheck); + if ($syval && $checkforblock) { + my @blockers = &has_comm_blocking('bre',$syval,$thisfn,$ignoresymbdb,$noenccheck); if (@blockers) { $syval=''; } @@ -12626,7 +12742,6 @@ sub symbread { if (@blockers) { $syval = ''; untie(%bighash); - return '' if ($nocache); return $env{$cache_str}=''; } } @@ -12678,15 +12793,10 @@ sub symbread { } } if ($syval) { - if ($nocache) { - return $syval; - } else { - return $env{$cache_str}=$syval; - } + return $env{$cache_str}=$syval; } } &appenv({'request.ambiguous' => $thisfn}); - return '' if ($nocache); return $env{$cache_str}=''; } @@ -13412,9 +13522,12 @@ sub default_login_domain { } sub shared_institution { - my ($dom) = @_; + my ($dom,$lonhost) = @_; + if ($lonhost eq '') { + $lonhost = $perlvar{'lonHostID'}; + } my $same_intdom; - my $hostintdom = &internet_dom($perlvar{'lonHostID'}); + my $hostintdom = &internet_dom($lonhost); if ($hostintdom ne '') { my %iphost = &get_iphost(); my $primary_id = &domain($dom,'primary'); @@ -13471,6 +13584,17 @@ sub uses_sts { return; } +sub get_requestor_ip { + my ($r,$nolookup,$noproxy) = @_; + my $from_ip; + if (ref($r)) { + $from_ip = $r->get_remote_host($nolookup); + } else { + $from_ip = $ENV{'REMOTE_ADDR'}; + } + return $from_ip; +} + # ------------------------------------------------------------- Declutters URLs sub declutter {