--- loncom/lonnet/perl/lonnet.pm 2021/06/20 18:54:07 1.1172.2.118.2.20 +++ loncom/lonnet/perl/lonnet.pm 2022/01/03 14:40:28 1.1172.2.146.2.1 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1172.2.118.2.20 2021/06/20 18:54:07 raeburn Exp $ +# $Id: lonnet.pm,v 1.1172.2.146.2.1 2022/01/03 14:40:28 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -95,6 +95,8 @@ use Cache::Memcached; use Digest::MD5; use Math::Random; use File::MMagic; +use Net::CIDR; +use Sys::Hostname::FQDN(); use LONCAPA qw(:DEFAULT :match); use LONCAPA::Configuration; use LONCAPA::lonmetadata; @@ -689,6 +691,9 @@ sub check_for_valid_session { if (ref($userhashref) eq 'HASH') { $userhashref->{'name'} = $disk_env{'user.name'}; $userhashref->{'domain'} = $disk_env{'user.domain'}; + if ($disk_env{'request.role'}) { + $userhashref->{'role'} = $disk_env{'request.role'}; + } } untie(%disk_env); @@ -917,7 +922,7 @@ sub userload { # ------------------------------ Find server with least workload from spare.tab sub spareserver { - my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_; + my ($r,$loadpercent,$userloadpercent,$want_server_name,$udom) = @_; my $spare_server; if ($userloadpercent !~ /\d/) { $userloadpercent=0; } my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent @@ -962,6 +967,8 @@ sub spareserver { if ($protocol{$spare_server} eq 'https') { $protocol = $protocol{$spare_server}; } + my $alias = &Apache::lonnet::use_proxy_alias($r,$spare_server); + $hostname = $alias if ($alias ne ''); $spare_server = $protocol.'://'.$hostname; } } @@ -1875,7 +1882,7 @@ sub dump_dom { # ------------------------------------------ get items from domain db files sub get_dom { - my ($namespace,$storearr,$udom,$uhome)=@_; + my ($namespace,$storearr,$udom,$uhome,$encrypt)=@_; return if ($udom eq 'public'); my $items=''; foreach my $item (@$storearr) { @@ -1901,13 +1908,9 @@ sub get_dom { my $rep; 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"); + $rep = &LONCAPA::Lond::get_dom("getdom:$udom:$namespace:$items"); } else { - if ($namespace =~ /^enc/) { + if ($encrypt) { $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome); } else { $rep=&reply("getdom:$udom:$namespace:$items",$uhome); @@ -1935,7 +1938,7 @@ sub get_dom { # -------------------------------------------- put items in domain db files sub put_dom { - my ($namespace,$storehash,$udom,$uhome)=@_; + my ($namespace,$storehash,$udom,$uhome,$encrypt)=@_; if (!$udom) { $udom=$env{'user.domain'}; if (defined(&domain($udom,'primary'))) { @@ -1956,7 +1959,7 @@ sub put_dom { $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; - if ($namespace =~ /^enc/) { + if ($encrypt) { return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome); } else { return &reply("putdom:$udom:$namespace:$items",$uhome); @@ -2036,7 +2039,7 @@ sub retrieve_inst_usertypes { sub is_domainimage { my ($url) = @_; - if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+[^/]-) { + if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo|login)/+[^/]-) { if (&domain($1) ne '') { return '1'; } @@ -2351,7 +2354,7 @@ sub get_domain_defaults { 'coursedefaults','usersessions', 'requestauthor','selfenrollment', 'coursecategories','autoenroll', - 'helpsettings'],$domain); + 'helpsettings','wafproxy'],$domain); my @coursetypes = ('official','unofficial','community','textbook'); if (ref($domconfig{'defaults'}) eq 'HASH') { $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; @@ -2399,6 +2402,7 @@ sub get_domain_defaults { } if (ref($domconfig{'coursedefaults'}) eq 'HASH') { $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'}; + $domdefaults{'inline_chem'} = $domconfig{'coursedefaults'}{'inline_chem'}; $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'}; if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') { $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'}; @@ -2487,6 +2491,7 @@ sub get_domain_defaults { } if (ref($domconfig{'autoenroll'}) eq 'HASH') { $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'}; + $domdefaults{'failsafe'} = $domconfig{'autoenroll'}{'failsafe'}; } if (ref($domconfig{'helpsettings'}) eq 'HASH') { $domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'}; @@ -2494,6 +2499,13 @@ sub get_domain_defaults { $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}; + } + } + } &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime); return %domdefaults; } @@ -2581,7 +2593,7 @@ sub get_passwdconf { } sub course_portal_url { - my ($cnum,$cdom) = @_; + my ($cnum,$cdom,$r) = @_; my $chome = &homeserver($cnum,$cdom); my $hostname = &hostname($chome); my $protocol = $protocol{$chome}; @@ -2591,6 +2603,8 @@ sub course_portal_url { 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; @@ -3180,11 +3194,29 @@ sub ssi_body { # --------------------------------------------------------- Server Side Include sub absolute_url { - my ($host_name) = @_; + my ($host_name,$unalias,$keep_proto) = @_; my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://'); if ($host_name eq '') { $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; } @@ -3201,12 +3233,13 @@ sub absolute_url { sub ssi { my ($fn,%form)=@_; - my ($request,$response); + my ($host,$request,$response); + $host = &absolute_url('',1); $form{'no_update_last_known'}=1; &Apache::lonenc::check_encrypt(\$fn); if (%form) { - $request=new HTTP::Request('POST',&absolute_url().$fn); + $request=new HTTP::Request('POST',$host.$fn); $request->content(join('&',map { my $name = escape($_); "$name=" . ( ref($form{$_}) eq 'ARRAY' @@ -3214,7 +3247,7 @@ sub ssi { : &escape($form{$_}) ); } keys(%form))); } else { - $request=new HTTP::Request('GET',&absolute_url().$fn); + $request=new HTTP::Request('GET',$host.$fn); } $request->header(Cookie => $ENV{'HTTP_COOKIE'}); @@ -4346,7 +4379,7 @@ sub bubblesheet_converter { next if (($num == 1) && ($csvoptions{'hdr'} == 1)); $line =~ s{[\r\n]+$}{}; my %found; - my @values = split(/,/,$line); + my @values = split(/,/,$line,-1); my ($qstart,$record); for (my $i=0; $i<@values; $i++) { if ((($qstart ne '') && ($i > $qstart)) || @@ -4650,6 +4683,29 @@ sub flushcourselogs { if (! defined($dom) || $dom eq '' || ! defined($name) || $name eq '') { 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'}; $name = $env{'request.'.$cid.'.num'}; } @@ -6811,7 +6867,8 @@ sub set_adhoc_privileges { my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash); &appenv(\%userroles,[$role,'cm']); &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec); - unless ($caller eq 'constructaccess' && $env{'request.course.id'}) { + unless (($caller eq 'constructaccess' && $env{'request.course.id'}) || + ($caller eq 'tiny')) { &appenv( {'request.role' => $spec, 'request.role.domain' => $dcdom, 'request.course.sec' => $sec, @@ -6886,7 +6943,7 @@ sub unserialize { # see Lond::dump_with_regexp # if $escapedkeys hash keys won't get unescaped. sub dump { - my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_; + my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys,$encrypt)=@_; if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); @@ -6902,7 +6959,12 @@ sub dump { $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'}); return %{&unserialize($reply, $escapedkeys)}; } - my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); + 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 @pairs=split(/\&/,$rep); my %returnhash=(); if (!($rep =~ /^error/ )) { @@ -6962,7 +7024,7 @@ sub currentdump { # my %returnhash=(); # - if ($rep eq 'unknown_cmd') { + if ($rep eq "unknown_cmd") { # an old lond will not know currentdump # Do a dump and make it look like a currentdump my @tmp = &dumpstore($courseid,$sdom,$sname,'.'); @@ -7048,7 +7110,7 @@ sub inc { # --------------------------------------------------------------- put interface sub put { - my ($namespace,$storehash,$udomain,$uname)=@_; + my ($namespace,$storehash,$udomain,$uname,$encrypt)=@_; if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); @@ -7057,7 +7119,11 @@ sub put { $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; - return &reply("put:$udomain:$uname:$namespace:$items",$uhome); + if ($encrypt) { + return &reply("encrypt:put:$udomain:$uname:$namespace:$items",$uhome); + } else { + return &reply("put:$udomain:$uname:$namespace:$items",$uhome); + } } # ------------------------------------------------------------ newput interface @@ -7322,15 +7388,15 @@ sub portfolio_access { if ($result) { my %setters; if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { - my ($startblock,$endblock) = - &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom); - if ($startblock && $endblock) { + my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) = + &Apache::loncommon::blockcheck(\%setters,'port',$clientip,$unum,$udom); + if (($startblock && $endblock) || ($by_ip)) { return 'B'; } } else { - my ($startblock,$endblock) = - &Apache::loncommon::blockcheck(\%setters,'port'); - if ($startblock && $endblock) { + my ($startblock,$endblock,$triggerblock,$by_ip,$blockdo) = + &Apache::loncommon::blockcheck(\%setters,'port',$clientip); + if (($startblock && $endblock) || ($by_ip)) { return 'B'; } } @@ -7879,7 +7945,7 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_; + my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache,$nodeeplinkcheck,$nodeeplinkout)=@_; my $ver_orguri=$uri; $uri=&deversion($uri); my $orguri=$uri; @@ -7907,9 +7973,9 @@ sub allowed { if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) { my %setters; - my ($startblock,$endblock) = - &Apache::loncommon::blockcheck(\%setters,'port'); - if ($startblock && $endblock) { + my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) = + &Apache::loncommon::blockcheck(\%setters,'port',$clientip); + if (($startblock && $endblock) || ($by_ip)) { return 'B'; } else { return 'F'; @@ -7944,7 +8010,10 @@ sub allowed { # Free bre to public access if ($priv eq 'bre') { - my $copyright=&metadata($uri,'copyright'); + my $copyright; + unless ($uri =~ /ext\.tool/) { + $copyright=&metadata($uri,'copyright'); + } if (($copyright eq 'public') && (!$env{'request.course.id'})) { return 'F'; } @@ -8002,8 +8071,8 @@ sub allowed { my $adom = $1; foreach my $key (keys(%env)) { if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) { - my ($start,$end) = split('.',$env{$key}); - if (($now >= $start) && (!$end || $end < $now)) { + my ($start,$end) = split(/\./,$env{$key}); + if (($now >= $start) && (!$end || $end > $now)) { $ownaccess = 1; last; } @@ -8015,8 +8084,8 @@ sub allowed { foreach my $role ('ca','aa') { if ($env{"user.role.$role./$adom/$aname"}) { my ($start,$end) = - split('.',$env{"user.role.$role./$adom/$aname"}); - if (($now >= $start) && (!$end || $end < $now)) { + split(/\./,$env{"user.role.$role./$adom/$aname"}); + if (($now >= $start) && (!$end || $end > $now)) { $ownaccess = 1; last; } @@ -8101,7 +8170,13 @@ sub allowed { if ($env{'user.priv.'.$env{'request.role'}.'./'} =~/\Q$priv\E\&([^\:]*)/) { my $value = $1; - if ($noblockcheck) { + my $deeplinkblock; + unless ($nodeeplinkcheck) { + $deeplinkblock = &deeplink_check($priv,$symb,$uri); + } + if ($deeplinkblock) { + $thisallowed='D'; + } elsif ($noblockcheck) { $thisallowed.=$value; } else { my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache); @@ -8121,7 +8196,13 @@ sub allowed { $refuri=&declutter($refuri); my ($match) = &is_on_map($refuri); if ($match) { - if ($noblockcheck) { + my $deeplinkblock; + unless ($nodeeplinkcheck) { + $deeplinkblock = &deeplink_check($priv,$symb,$refuri); + } + if ($deeplinkblock) { + $thisallowed='D'; + } elsif ($noblockcheck) { $thisallowed='F'; } else { my @blockers = &has_comm_blocking($priv,'',$refuri,'',1); @@ -8143,7 +8224,7 @@ sub allowed { && &is_portfolio_url($uri)) { $thisallowed = &portfolio_access($uri,$clientip); } - + # Full access at system, domain or course-wide level? Exit. if ($thisallowed=~/F/) { return 'F'; @@ -8194,7 +8275,13 @@ sub allowed { =~/\Q$priv\E\&([^\:]*)/) { my $value = $1; if ($priv eq 'bre') { - if ($noblockcheck) { + my $deeplinkblock; + unless ($nodeeplinkcheck) { + $deeplinkblock = &deeplink_check($priv,$symb,$uri); + } + if ($deeplinkblock) { + $thisallowed = 'D'; + } elsif ($noblockcheck) { $thisallowed.=$value; } else { my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache); @@ -8236,7 +8323,13 @@ sub allowed { =~/\Q$priv\E\&([^\:]*)/) { my $value = $1; if ($priv eq 'bre') { - if ($noblockcheck) { + my $deeplinkblock; + unless ($nodeeplinkcheck) { + $deeplinkblock = &deeplink_check($priv,$symb,$refuri); + } + if ($deeplinkblock) { + $thisallowed = 'D'; + } elsif ($noblockcheck) { $thisallowed.=$value; } else { my @blockers = &has_comm_blocking($priv,'',$refuri,'',1); @@ -8281,16 +8374,48 @@ sub allowed { # # 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 -# courses, and 2 minutes for current course +# courses, and 2 minutes for current course, in which user has st or ta role +# which is neither expired nor a future role (unless current course). - my $envkey; + my ($needlockcheck,$now,$crsonly); if ($thisallowed=~/L/) { - foreach $envkey (keys(%env)) { + $now = time; + if ($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)\.([^\.]*)/) { my $courseid=$2; my $roleid=$1.'.'.$2; $courseid=~s/^\///; + unless ($env{'request.role'} eq $roleid) { + my ($start,$end) = split(/\./,$env{$envkey}); + next unless (($now >= $start) && (!$end || $end > $now)); + } my $expiretime=600; if ($env{'request.role'} eq $roleid) { $expiretime=120; @@ -8313,7 +8438,7 @@ sub allowed { } if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/) || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { - if ($env{'priv.'.$priv.'.lock.expire'}>time) { + if ($env{$prefix.'priv.'.$priv.'.lock.expire'}>time) { &log($env{'user.domain'},$env{'user.name'}, $env{'user.home'}, 'Locked by priv: '.$priv.' for '.$uri.' due to '. @@ -8384,6 +8509,17 @@ sub allowed { } } +# Restricted for deeplinked session? + + if ($env{'request.deeplink.login'}) { + if ($env{'acc.deeplinkout'} && !$nodeeplinkout) { + if (!$symb) { $symb=&symbread($uri,1); } + if (($symb) && ($env{'acc.deeplinkout'}=~/\&\Q$symb\E\&/)) { + return ''; + } + } + } + # Restricted by state or randomout? if ($thisallowed=~/X/) { @@ -8404,6 +8540,8 @@ sub allowed { return 'A'; } elsif ($thisallowed eq 'B') { return 'B'; + } elsif ($thisallowed eq 'D') { + return 'D'; } return 'F'; } @@ -8530,7 +8668,11 @@ sub get_commblock_resources { my ($blocks) = @_; my %blockers = (); return %blockers unless ($env{'request.course.id'}); - return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/); + my $courseurl = &courseid_to_courseurl($env{'request.course.id'}); + if ($env{'request.course.sec'}) { + $courseurl .= '/'.$env{'request.course.sec'}; + } + return %blockers if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseurl} =~/evb\&([^\:]*)/); my %commblocks; if (ref($blocks) eq 'HASH') { %commblocks = %{$blocks}; @@ -8562,10 +8704,9 @@ sub get_commblock_resources { } } elsif ($block =~ /^firstaccess____(.+)$/) { my $item = $1; - my @to_test; if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') { - my @interval; + my (@interval,$mapname); my $type = 'map'; if ($item eq 'course') { $type = 'course'; @@ -8574,41 +8715,16 @@ sub get_commblock_resources { if ($item =~ /___\d+___/) { $type = 'resource'; @interval=&EXT("resource.0.interval",$item); - if (ref($navmap)) { - my $res = $navmap->getBySymb($item); - push(@to_test,$res); - } } else { - my $mapsymb = &symbread($item,1); - if ($mapsymb) { - if (ref($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 ($res->answerable()) { - push(@to_test,$res); - last; - } - } - } - } - } - } + $mapname = &deversion($item); + if (ref($navmap)) { + my $timelimit = $navmap->get_mapparam(undef,$mapname,'0.interval'); + @interval = ($timelimit,'map'); } } } if ($interval[0] =~ /^(\d+)/) { - my $timelimit = $1; + my $timelimit = $1; my $first_access; if ($type eq 'resource') { $first_access=&get_first_access($interval[1],$item); @@ -8621,10 +8737,37 @@ sub get_commblock_resources { my $timesup = $first_access+$timelimit; if ($timesup > $now) { my $activeblock; - foreach my $res (@to_test) { - if ($res->answerable()) { - $activeblock = 1; - last; + if ($type eq 'resource') { + if (ref($navmap)) { + my $res = $navmap->getBySymb($item); + if ($res->answerable()) { + $activeblock = 1; + } + } + } elsif ($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) { @@ -8654,8 +8797,12 @@ sub has_comm_blocking { 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'); + 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'}.'.'.$courseurl} =~/evb\&([^\:]*)/); my %blockinfo; if (ref($blocks) eq 'HASH') { %blockinfo = &get_commblock_resources($blocks); @@ -8712,6 +8859,87 @@ sub has_comm_blocking { } } +sub deeplink_check { + my ($priv,$symb,$uri) = @_; + return unless ($env{'request.course.id'}); + return unless ($priv eq 'bre'); + return if ($env{'request.state'} eq 'construct'); + return if ($env{'request.role.adv'}); + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my (%possibles,@symbs); + if (!$symb) { + $symb = &symbread($uri,1,1,1,\%possibles); + } + if ($symb) { + @symbs = ($symb); + } elsif (keys(%possibles)) { + @symbs = keys(%possibles); + } + + my ($deeplink_symb,$allow); + if ($env{'request.deeplink.login'}) { + $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom); + } + foreach my $symb (@symbs) { + last if ($allow); + my $deeplink = &EXT("resource.0.deeplink",$symb); + if ($deeplink eq '') { + $allow = 1; + } else { + my ($state,$others,$listed,$scope,$protect) = split(/,/,$deeplink); + if ($state ne 'only') { + $allow = 1; + } else { + my $check_deeplink_entry; + if ($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 ($symb eq $deeplink_symb) { + $allow = 1; + } + } elsif (($scope eq 'map') || ($scope eq 'rec')) { + my ($map_from_symb,$map_from_login); + $map_from_symb = &deversion((&decode_symb($symb))[0]); + if ($deeplink_symb =~ /\.(page|sequence)$/) { + $map_from_login = &deversion((&decode_symb($deeplink_symb))[2]); + } else { + $map_from_login = &deversion((&decode_symb($deeplink_symb))[0]); + } + if (($map_from_symb) && ($map_from_login)) { + if ($map_from_symb eq $map_from_login) { + $allow = 1; + } elsif ($scope eq 'rec') { + my @recurseup = &get_map_hierarchy($map_from_symb,$env{'request.course.id'}); + if (grep(/^\Q$map_from_login\E$/,@recurseup)) { + $allow = 1; + } + } + } + } + } + } + } + } + return if ($allow); + return 1; +} + # -------------------------------- Deversion and split uri into path an filename # @@ -11437,7 +11665,7 @@ sub get_userresdata { # Parameters: # $name - Course/user name. # $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' # @which - Array of names of resources desired. # Returns: # The value of the first reasource in @which that is found in the @@ -11458,7 +11686,7 @@ sub resdata { foreach my $item (@which) { if (defined($result->{$item->[0]})) { return [$result->{$item->[0]},$item->[1]]; - } + } } return undef; } @@ -11482,7 +11710,7 @@ sub get_domain_lti { my %domconfig = &get_dom('configuration',[$name],$cdom); if (ref($domconfig{$name}) eq 'HASH') { %lti = %{$domconfig{$name}}; - my %encdomconfig = &get_dom('encconfig',[$name],$cdom); + 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') { @@ -11499,6 +11727,23 @@ sub get_domain_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 $cachetime = 24*60*60; + &do_cache_new('courselti',$hashid,\%courselti,$cachetime); + } + return %courselti; +} + sub get_numsuppfiles { my ($cnum,$cdom,$ignorecache)=@_; my $hashid=$cnum.':'.$cdom; @@ -11523,6 +11768,16 @@ sub get_numsuppfiles { # EXT resource caching routines # +{ +# Cache (5 seconds) of map hierarchy for speedup of navmaps display +# +# The course for which we cache +my $cachedmapkey=''; +# The cached recursive maps for this course +my %cachedmaps=(); +# When this was last done +my $cachedmaptime=''; + sub clear_EXT_cache_status { &delenv('cache.EXT.'); } @@ -11579,7 +11834,7 @@ sub EXT { if ( (defined($Apache::lonhomework::parsing_a_problem) || defined($Apache::lonhomework::parsing_a_task)) && - ($symbparm eq &symbread()) ) { + ($symbparm eq &symbread()) ) { # if we are in the middle of processing the resource the # get the value we are planning on committing if (defined($Apache::lonhomework::results{$qualifierrest})) { @@ -11836,6 +12091,10 @@ sub EXT { if ($space eq 'name') { return $ENV{'SERVER_NAME'}; } + } elsif ($realm eq 'client') { + if ($space eq 'remote_addr') { + return &get_requestor_ip(); + } } return ''; } @@ -11869,6 +12128,30 @@ sub check_group_parms { return $coursereply; } +sub get_map_hierarchy { + my ($mapname,$courseid) = @_; + my @recurseup = (); + if ($mapname) { + if (($cachedmapkey eq $courseid) && + (abs($cachedmaptime-time)<5)) { + if (ref($cachedmaps{$mapname}) eq 'ARRAY') { + return @{$cachedmaps{$mapname}}; + } + } + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + @recurseup = $navmap->recurseup_maps($mapname); + undef($navmap); + $cachedmaps{$mapname} = \@recurseup; + $cachedmaptime=time; + $cachedmapkey=$courseid; + } + } + return @recurseup; +} + +) + sub sort_course_groups { # Sort groups based on defined rankings. Default is sort(). my ($courseid,@groups) = @_; @groups = sort(@groups); @@ -13500,10 +13783,15 @@ sub machine_ids { sub additional_machine_domains { my @domains; - open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab"); - while( my $line = <$fh>) { - $line =~ s/\s//g; - push(@domains,$line); + if (-e "$perlvar{'lonTabDir'}/expected_domains.tab") { + if (open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab")) { + while( my $line = <$fh>) { + chomp($line); + $line =~ s/\s//g; + push(@domains,$line); + } + close($fh); + } } return @domains; } @@ -13584,17 +13872,230 @@ sub uses_sts { return; } +sub waf_allssl { + my ($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)) { - $from_ip = $r->get_remote_host($nolookup); + 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 $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['wafproxy'],$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 $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['wafproxy'],$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 = ¤t_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 $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['login'],$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 sub declutter { @@ -13734,13 +14235,25 @@ sub get_dns { } while (%alldns) { my ($dns) = sort { $b cmp $a } keys(%alldns); - my $ua=new LWP::UserAgent; - $ua->timeout(30); - my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url"); - my $response=$ua->request($request); - delete($alldns{$dns}); - next if ($response->is_error()); - my @content = split("\n",$response->content); + my @content; + if ($dns eq Sys::Hostname::FQDN::fqdn()) { + my $command = (split('/',$url))[3]; + my ($dir,$file) = &parse_getdns_url($command,$url); + delete($alldns{$dns}); + next if (($dir eq '') || ($file eq '')); + if (open(my $config,'<',"$dir/$file")) { + @content = <$config>; + close($config); + } + } else { + my $ua=new LWP::UserAgent; + $ua->timeout(30); + 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',$url,\@content,30*24*60*60); } @@ -13812,6 +14325,21 @@ sub fetch_dns_checksums { return \%checksums; } +sub parse_getdns_url { + my ($command,$url) = @_; + my $dir = $perlvar{'lonTabDir'}; + my $file; + if ($command eq 'hosts') { + $file = 'dns_hosts.tab'; + } elsif ($command eq 'domain') { + $file = 'dns_domain.tab'; + } elsif ($command eq 'checksums') { + my $version = (split('/',$url))[4]; + $file = "dns_checksums/$version.tab", + } + return ($dir,$file); +} + # ------------------------------------------------------------ Read domain file { my $loaded; @@ -14691,6 +15219,7 @@ prevents recursive calls to &allowed. 2: browse allowed A: passphrase authentication needed 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 =item *