--- loncom/lonnet/perl/lonnet.pm 2012/02/08 01:05:20 1.1056.4.33.2.2 +++ loncom/lonnet/perl/lonnet.pm 2011/08/01 22:13:49 1.1123 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1056.4.33.2.2 2012/02/08 01:05:20 raeburn Exp $ +# $Id: lonnet.pm,v 1.1123 2011/08/01 22:13:49 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -76,8 +76,7 @@ use HTTP::Date; use Image::Magick; use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir - $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease - %managerstab); + $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease); my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash, %userrolehash, $processmarker, $dumpcount, %coursedombuf, @@ -96,6 +95,7 @@ use Math::Random; use File::MMagic; use LONCAPA qw(:DEFAULT :match); use LONCAPA::Configuration; + use File::Copy; my $readit; @@ -288,7 +288,7 @@ sub get_server_homeID { } my $cachetime = 12*3600; my $serverhomeID; - if ($caller eq 'loncron') { + if ($caller eq 'loncron') { my @machine_ids = &machine_ids($hostname); foreach my $id (@machine_ids) { my $response = &reply('serverhomeID',$id); @@ -306,6 +306,44 @@ sub get_server_homeID { return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime); } +sub get_remote_globals { + my ($lonhost,$whathash,$ignore_cache) = @_; + my (%returnhash,%whatneeded); + if (ref($whathash) eq 'ARRAY') { + foreach my $what (sort(keys(%{$whathash}))) { + my $type = $whathash->{$what}; + my $hashid = $lonhost.'-'.$what; + my ($result,$cached); + unless ($ignore_cache) { + ($result,$cached)=&is_cached_new('lonnetglobal',$hashid); + $returnhash{$what} = $result; + } + if (defined($cached)) { + $returnhash{$what} = $result; + } else { + $whatneeded{$what} = $type; + } + } + if (keys(%whatneeded) > 0) { + my $requested = &freeze_escape(\%whatneeded); + my $rep=&reply('readlonnetglobal:'.$requested,$lonhost); + unless (($rep=~/^refused/) || ($rep=~/^rejected/) || ($rep eq 'con_lost')) { + my @pairs=split(/\&/,$rep); + if ($rep !~ /^error/) { + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + my $what = &unescape($key); + my $hashid = $lonhost.'-'.$what; + $returnhash{$what}=&thaw_unescape($value); + &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600); + } + } + } + } + } + return %returnhash; +} + # -------------------------------------------------- Non-critical communication sub subreply { my ($cmd,$server)=@_; @@ -758,30 +796,6 @@ sub userload { return $userloadpercent; } -# ------------------------------------------ Fight off request when overloaded - -sub overloaderror { - my ($r,$checkserver)=@_; - unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } - my $loadavg; - if ($checkserver eq $perlvar{'lonHostID'}) { - open(my $loadfile,'/proc/loadavg'); - $loadavg=<$loadfile>; - $loadavg =~ s/\s.*//g; - $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; - close($loadfile); - } else { - $loadavg=&reply('load',$checkserver); - } - my $overload=$loadavg-100; - if ($overload>0) { - $r->err_headers_out->{'Retry-After'}=$overload; - $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 413; - } - return ''; -} - # ------------------------------ Find server with least workload from spare.tab sub spareserver { @@ -797,26 +811,33 @@ sub spareserver { my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom); $remotesessions = $udomdefaults{'remotesessions'}; } - foreach my $try_server (@{ $spareid{'primary'} }) { - if ($uint_dom) { - next unless (&spare_can_host($udom,$uint_dom,$remotesessions, - $try_server)); + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { + if ($uint_dom) { + next unless (&spare_can_host($udom,$uint_dom,$remotesessions, + $try_server)); + } + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } } - ($spare_server, $lowest_load) = - &compare_server_load($try_server, $spare_server, $lowest_load); - } - my $found_server = ($spare_server ne '' && $lowest_load < 100); - - if (!$found_server) { - foreach my $try_server (@{ $spareid{'default'} }) { - if ($uint_dom) { - next unless (&spare_can_host($udom,$uint_dom,$remotesessions, - $try_server)); - } - ($spare_server, $lowest_load) = - &compare_server_load($try_server, $spare_server, $lowest_load); - } + my $found_server = ($spare_server ne '' && $lowest_load < 100); + + if (!$found_server) { + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + if ($uint_dom) { + next unless (&spare_can_host($udom,$uint_dom, + $remotesessions,$try_server)); + } + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + } + } } if (!$want_server_name) { @@ -841,7 +862,7 @@ sub compare_server_load { my $userloadans = &reply('userload',$try_server); if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - return ($spare_server, $lowest_load); #didn't get a number from the server + return ($spare_server, $lowest_load); #didn't get a number from the server } my $load; @@ -867,9 +888,18 @@ sub compare_server_load { # --------------------------- ask offload servers if user already has a session sub find_existing_session { my ($udom,$uname) = @_; - foreach my $try_server (@{ $spareid{'primary'} }, - @{ $spareid{'default'} }) { - return $try_server if (&has_user_session($try_server, $udom, $uname)); + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } } return; } @@ -891,7 +921,7 @@ sub choose_server { my %domconfhash = &Apache::loncommon::get_domainconf($udom); my %servers = &get_servers($udom); my $lowest_load = 30000; - my ($login_host,$hostname,$portal_path,$isredirect); + my ($login_host,$hostname,$portal_path); foreach my $lonhost (keys(%servers)) { my $loginvia; if ($checkloginvia) { @@ -899,17 +929,15 @@ sub choose_server { if ($loginvia) { my ($server,$path) = split(/:/,$loginvia); ($login_host, $lowest_load) = - &compare_server_load($lonhost, $login_host, $lowest_load); + &compare_server_load($server, $login_host, $lowest_load); if ($login_host eq $server) { $portal_path = $path; - $isredirect = 1; } } else { ($login_host, $lowest_load) = &compare_server_load($lonhost, $login_host, $lowest_load); if ($login_host eq $lonhost) { $portal_path = ''; - $isredirect = ''; } } } else { @@ -920,7 +948,7 @@ sub choose_server { if ($login_host ne '') { $hostname = &hostname($login_host); } - return ($login_host,$hostname,$portal_path,$isredirect); + return ($login_host,$hostname,$portal_path); } # --------------------------------------------- Try to change a user's password @@ -1104,6 +1132,47 @@ sub spare_can_host { return $canhost; } +sub this_host_spares { + my ($dom) = @_; + my $cachetime = 60*60*24; + my @hosts = ¤t_machine_ids(); + foreach my $lonhost (@hosts) { + if (&host_domain($lonhost) eq $dom) { + my ($result,$cached)=&is_cached_new('spares',$dom); + if (defined($cached)) { + return $result; + } else { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['usersessions'],$dom); + if (ref($domconfig{'usersessions'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}{$lonhost}) eq 'HASH') { + return &do_cache_new('spares',$dom,$domconfig{'usersessions'}{'spares'}{$lonhost},$cachetime); + } + } + } + } + last; + } + } + my $serverhomedom = &host_domain($perlvar{'lonHostID'}); + my ($result,$cached)=&is_cached_new('spares',$serverhomedom); + if (defined($cached)) { + return $result; + } else { + my %homedomconfig = + &Apache::lonnet::get_dom('configuration',['usersessions'],$serverhomedom); + if (ref($homedomconfig{'usersessions'}) eq 'HASH') { + if (ref($homedomconfig{'usersessions'}{'spares'}) eq 'HASH') { + if (ref($homedomconfig{'usersessions'}{'spares'}{$perlvar{'lonHostID'}}) eq 'HASH') { + return &do_cache_new('spares',$serverhomedom,$homedomconfig{'usersessions'}{'spares'}{$perlvar{'lonHostID'}},$cachetime); + } + } + } + } + return \%spareid; +} + # ---------------------- Find the homebase for a user from domain's lib servers my %homecache; @@ -1587,7 +1656,6 @@ sub get_domain_defaults { $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'}; $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'}; $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'}; - $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'}; } else { $domdefaults{'lang_def'} = &domain($domain,'lang_def'); $domdefaults{'auth_def'} = &domain($domain,'auth_def'); @@ -2047,20 +2115,29 @@ sub getversion { sub currentversion { my $fname=shift; - my ($result,$cached)=&is_cached_new('resversion',$fname); - if (defined($cached)) { return $result; } my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); - my $home=homeserver($uname,$udom); + my $home=&homeserver($uname,$udom); if ($home eq 'no_host') { return -1; } - my $answer=reply("currentversion:$fname",$home); + my $answer=&reply("currentversion:$fname",$home); if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return &do_cache_new('resversion',$fname,$answer,600); + return $answer; +} + +# +# Return special version number of resource if set by override, empty otherwise +# +sub usedversion { + my $fname=shift; + unless ($fname) { $fname=$env{'request.uri'}; } + my ($urlversion)=($fname=~/\.(\d+)\.\w+$/); + if ($urlversion) { return $urlversion; } + return ''; } # ----------------------------- Subscribe to a resource, return URL if possible @@ -2322,7 +2399,7 @@ sub process_coursefile { } if (ref($mimetype)) { $$mimetype = $type; - } + } } $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, $home); @@ -2440,11 +2517,11 @@ sub resizeImage { # input: $formname - the contents of the file are in $env{"form.$formname"} # the desired filename is in $env{"form.$formname.filename"} # $context - possible values: coursedoc, existingfile, overwrite, -# canceloverwrite, or ''. +# canceloverwrite, or ''. # 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 -# $context is passed as argument to &finishuserfileupload +# $context is passed as argument to &finishuserfileupload # $subdir - directory in userfile to store the file into # $parser - instruction to parse file for objects ($parser = parse) # $allfiles - reference to hash for embedded objects @@ -2596,11 +2673,11 @@ sub finishuserfileupload { return '/adm/notfound.html'; } if ($context eq 'overwrite') { - my $source = $perlvar{'lonDaemons'}.'/tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$fname; + my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname; my $target = $filepath.'/'.$file; if (-e $source) { my @info = stat($source); - if ($info[9] eq $env{'form.timestamp'}) { + if ($info[9] eq $env{'form.timestamp'}) { unless (&File::Copy::move($source,$target)) { &logthis('Failed to overwrite '.$filepath.'/'.$file); return "Moving from $source failed"; @@ -2611,7 +2688,7 @@ sub finishuserfileupload { } else { return "Temporary file: $source missing"; } - } elsif (!print FH ($env{'form.'.$formname})) { + } elsif (!print FH ($env{'form.'.$formname})) { &logthis('Failed to write to '.$filepath.'/'.$file); print STDERR ('Failed to write to '.$filepath.'/'.$file."\n"); return '/adm/notfound.html'; @@ -3172,7 +3249,7 @@ sub get_my_roles { unless (defined($uname)) { $uname=$env{'user.name'}; } unless (defined($udom)) { $udom=$env{'user.domain'}; } my (%dumphash,%nothide); - if ($context eq 'userroles') { + if ($context eq 'userroles') { my $extra = &freeze_escape({'skipcheck' => 1}); %dumphash = &dump('roles',$udom,$uname,'.',undef,$extra); } else { @@ -3506,7 +3583,7 @@ sub get_domain_roles { return %personnel; } -# ----------------------------------------------------------- Check out an item +# ----------------------------------------------------------- Interval timing sub get_first_access { my ($type,$argsymb)=@_; @@ -3542,91 +3619,6 @@ sub set_first_access { return 'already_set'; } -sub checkout { - my ($symb,$tuname,$tudom,$tcrsid)=@_; - my $now=time; - my $lonhost=$perlvar{'lonHostID'}; - my $infostr=&escape( - 'CHECKOUTTOKEN&'. - $tuname.'&'. - $tudom.'&'. - $tcrsid.'&'. - $symb.'&'. - $now.'&'.$ENV{'REMOTE_ADDR'}); - my $token=&reply('tmpput:'.$infostr,$lonhost); - if ($token=~/^error\:/) { - &logthis("WARNING: ". - "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - 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' => $ENV{'REMOTE_ADDR'}); - - unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - - if (&log($tudom,$tuname,&homeserver($tuname,$tudom), - &escape('Checkout '.$infostr.' - '. - $token)) ne 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - 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 ($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' => $ENV{'REMOTE_ADDR'}); - - 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 sub expirespread { @@ -3731,7 +3723,7 @@ sub hashref2str { $result.='='; #print("Got a ref of ".(ref($key))." skipping."); } else { - if (defined($key)) {$result.=&escape($key).'=';} else { last; } + if ($key) {$result.=&escape($key).'=';} else { last; } } if(ref($hashref->{$key}) eq 'ARRAY') { @@ -3883,7 +3875,7 @@ sub tmpreset { if ($domain eq 'public' && $stuname eq 'public') { $stuname=$ENV{'REMOTE_ADDR'}; } - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); my %hash; if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', @@ -3922,7 +3914,7 @@ sub tmpstore { } my $now=time; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_WRCREAT(),0640)) { @@ -3968,7 +3960,7 @@ sub tmprestore { $namespace=~s/\//\_/g; $namespace=~s/\W//g; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_READER(),0640)) { @@ -4105,6 +4097,8 @@ sub restore { } # ---------------------------------------------------------- Course Description +# +# sub coursedescription { my ($courseid,$args)=@_; @@ -4134,7 +4128,8 @@ sub coursedescription { return %returnhash; } - # get the data agin + # get the data again + if (!$args->{'one_time'}) { $envhash{'course.'.$normalid.'.last_cache'}=time; } @@ -4142,6 +4137,10 @@ sub coursedescription { if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { + my $username = $env{'user.name'}; # Defult username + if(defined $args->{'user'}) { + $username = $args->{'user'}; + } $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; @@ -4152,8 +4151,8 @@ sub coursedescription { $envhash{'course.'.$normalid.'.'.$name}=$value; } $returnhash{'url'}=&clutter($returnhash{'url'}); - $returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. - $env{'user.name'}.'_'.$cdomain.'_'.$cnum; + $returnhash{'fn'}=LONCAPA::tempdir() . + $username.'_'.$cdomain.'_'.$cnum; $envhash{'course.'.$normalid.'.home'}=$chome; $envhash{'course.'.$normalid.'.domain'}=$cdomain; $envhash{'course.'.$normalid.'.num'}=$cnum; @@ -4371,7 +4370,7 @@ sub set_userprivs { my $adv=0; my %grouproles = (); if (keys(%{$allgroups}) > 0) { - my @groupkeys; + my @groupkeys; foreach my $role (keys(%{$allroles})) { push(@groupkeys,$role); } @@ -4447,7 +4446,7 @@ sub role_status { my %userroles = ( 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend ); - @rolecodes = ('cm'); + @rolecodes = ('cm'); my $spec=$$role.'.'.$$where; my ($tdummy,$tdomain,$trest)=split(/\//,$$where); if ($$role =~ /^cr\//) { @@ -4490,9 +4489,9 @@ sub role_status { sub get_groups_roles { my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_; - return unless((ref($cdom_courseroles) eq 'HASH') && - (ref($rolecodes) eq 'ARRAY') && - (ref($groups_roles) eq 'HASH')); + return unless((ref($cdom_courseroles) eq 'HASH') && + (ref($rolecodes) eq 'ARRAY') && + (ref($groups_roles) eq 'HASH')); if (keys(%{$cdom_courseroles}) > 0) { my ($cnum) = ($rest =~ /^($match_courseid)/); if ($cdom ne '' && $cnum ne '') { @@ -4642,15 +4641,18 @@ sub dump { my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range:$extra",$uhome); my @pairs=split(/\&/,$rep); my %returnhash=(); - foreach my $item (@pairs) { - my ($key,$value)=split(/=/,$item,2); - $key = &unescape($key); - next if ($key =~ /^error: 2 /); - $returnhash{$key}=&thaw_unescape($value); + if (!($rep =~ /^error/ )) { + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } } return %returnhash; } + # --------------------------------------------------------- dumpstore interface sub dumpstore { @@ -4933,7 +4935,7 @@ sub tmpget { return %returnhash; } -# ------------------------------------------------------------ tmpget interface +# ------------------------------------------------------------ tmpdel interface sub tmpdel { my ($token,$server)=@_; if (!defined($server)) { $server = $perlvar{'lonHostID'}; } @@ -5184,7 +5186,7 @@ sub is_portfolio_file { } sub usertools_access { - my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref) = @_; + my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_; my ($access,%tools); if ($context eq '') { $context = 'tools'; @@ -5331,7 +5333,7 @@ sub is_advanced_user { my ($udom,$uname) = @_; if ($udom ne '' && $uname ne '') { if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { - return $env{'user.adv'}; + return $env{'user.adv'}; } } my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1); @@ -5849,7 +5851,7 @@ sub allowed { my $unamedom=$env{'user.name'}.':'.$env{'user.domain'}; if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'} =~/\Q$rolecode\E/) { - if (($priv ne 'pch') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. $env{'request.course.id'}); @@ -5859,7 +5861,7 @@ sub allowed { if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} =~/\Q$unamedom\E/) { - if (($priv ne 'pch') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. $env{'request.course.id'}); @@ -5873,7 +5875,7 @@ sub allowed { if ($thisallowed=~/R/) { my $rolecode=(split(/\./,$env{'request.role'}))[0]; if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { - if (($priv ne 'pch') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); } @@ -6100,7 +6102,7 @@ sub fetch_enrollment_query { $$replyref{$key} = $value; } } else { - my $pathname = $perlvar{'lonDaemons'}.'/tmp'; + my $pathname = LONCAPA::tempdir(); foreach my $line (@responses) { my ($key,$value) = split(/=/,$line); $$replyref{$key} = $value; @@ -6130,7 +6132,7 @@ sub fetch_enrollment_query { sub get_query_reply { my $queryid=shift; - my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; + my $replyfile=LONCAPA::tempdir().$queryid; my $reply=''; for (1..100) { sleep 2; @@ -6800,13 +6802,6 @@ sub assignrole { return 'refused'; } } - } elsif ($role eq 'au') { - if ($url ne '/'.$udom.'/') { - &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}. - ' to assign author role for '.$uname.':'.$udom. - ' in domain: '.$url.' refused (wrong domain).'); - return 'refused'; - } } $mrole=$role; } @@ -6981,7 +6976,7 @@ sub modifyuser { } &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. - $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. + $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. @@ -7127,7 +7122,7 @@ sub modifyuser { return 'ok'; } my $reply = &put('environment', \%names, $udom,$uname); - if ($reply ne 'ok') { + if ($reply ne 'ok') { return 'error: '.$reply; } if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) { @@ -7509,7 +7504,7 @@ sub is_locked { my ($file_name, $domain, $user, $which) = @_; my @check; my $is_locked; - push(@check,$file_name); + push (@check,$file_name); my %locked = &get('file_permissions',\@check, $env{'user.domain'},$env{'user.name'}); my ($tmp)=keys(%locked); @@ -7574,7 +7569,7 @@ sub save_selected_files { sub clear_selected_files { my ($user) = @_; my $filename = $user."savedfiles"; - open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (OUT, '>'.LONCAPA::tempdir().$filename); print (OUT undef); close (OUT); return ("ok"); @@ -7584,7 +7579,7 @@ sub files_in_path { my ($user, $path) = @_; my $filename = $user."savedfiles"; my %return_files; - open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (IN, '<'.LONCAPA::tempdir().$filename); while (my $line_in = ) { chomp ($line_in); my @paths_and_file = split (m!/!, $line_in); @@ -7606,7 +7601,7 @@ sub files_not_in_path { my $filename = $user."savedfiles"; my @return_files; my $path_part; - open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open(IN, '<'.LONCAPA::.$filename); while (my $line = ) { #ok, I know it's clunky, but I want it to work my @paths_and_file = split(m|/|, $line); @@ -8673,6 +8668,7 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata my %metaentry; +my %importedpartids; sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); @@ -8699,6 +8695,10 @@ sub metadata { if (defined($cached)) { return $result->{':'.$what}; } } { +# Imported parts would go here + my %importedids=(); + my @origfileimportpartids=(); + my $importedparts=0; # # Is this a recursive call for a library? # @@ -8783,27 +8783,55 @@ sub metadata { # This is not a package - some other kind of start tag # my $entry=$token->[1]; - my $unikey; - if ($entry eq 'import') { - $unikey=''; - } else { - $unikey=$entry; - } - $unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); - - if (defined($token->[2]->{'id'})) { - $unikey.='_'.$token->[2]->{'id'}; - } + my $unikey=''; if ($entry eq 'import') { # # Importing a library here # + my $location=$parser->get_text('/import'); + my $dir=$filename; + $dir=~s|[^/]*$||; + $location=&filelocation($dir,$location); + + my $importmode=$token->[2]->{'importmode'}; + if ($importmode eq 'problem') { +# Import as problem/response + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + } elsif ($importmode eq 'part') { +# Import as part(s) + $importedparts=1; +# We need to get the original file and the imported file to get the part order correct +# Good news: we do not need to worry about nested libraries, since parts cannot be nested +# Load and inspect original file + if ($#origfileimportpartids<0) { + undef(%importedpartids); + my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri); + my $origfile=&getfile($origfilelocation); + @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + } + +# Load and inspect imported file + my $impfile=&getfile($location); + my @impfilepartids=($impfile=~/]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + if ($#impfilepartids>=0) { +# This problem had parts + $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids); + } else { +# Importing by turning a single problem into a problem part +# It gets the import-tags ID as part-ID + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'}); + $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'}; + } + } else { +# Normal import + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } + } + if ($depthcount<20) { - my $location=$parser->get_text('/import'); - my $dir=$filename; - $dir=~s|[^/]*$||; - $location=&filelocation($dir,$location); my $metadata = &metadata($uri,'keys', $location,$unikey, $depthcount+1); @@ -8811,8 +8839,16 @@ sub metadata { $metaentry{':'.$meta}=$metaentry{':'.$meta}; $metathesekeys{$meta}=1; } - } - } else { + + } + } else { +# +# Not importing, some other kind of non-package, non-library start tag +# + $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } if (defined($token->[2]->{'name'})) { $unikey.='_'.$token->[2]->{'name'}; } @@ -8886,6 +8922,22 @@ sub metadata { grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); $metaentry{':packages'} = join(',',@uniq_packages); + if ($importedparts) { +# We had imported parts and need to rebuild partorder + $metaentry{':partorder'}=''; + $metathesekeys{'partorder'}=1; + for (my $index=0;$index<$#origfileimportpartids;$index+=2) { + if ($origfileimportpartids[$index] eq 'part') { +# original part, part of the problem + $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1]; + } else { +# we have imported parts at this position + $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]}; + } + } + $metaentry{':partorder'}=~s/^\,//; + } + $metaentry{':keys'} = join(',',keys(%metathesekeys)); &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); @@ -9070,9 +9122,9 @@ sub symbverify { $thisurl =~ s/\?.+$//; } my $ids=$bighash{'ids_'.&clutter($thisurl)}; - unless ($ids) { - my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; - $ids=$bighash{$idkey}; + unless ($ids) { + my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; + $ids=$bighash{$idkey}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) @@ -9086,7 +9138,7 @@ sub symbverify { eq $symb) { if (($env{'request.role.adv'}) || ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || - ($thisurl eq '/adm/navmaps')) { + ($thisurl eq '/adm/navmaps')) { $okay=1; } } @@ -9843,7 +9895,7 @@ sub filelocation { my @ids=¤t_machine_ids(); foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } if ($is_me) { - $location=&propath($udom,$uname).'/userfiles/'.$filename; + $location=propath($udom,$uname).'/userfiles/'.$filename; } else { $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. $udom.'/'.$uname.'/'.$filename; @@ -10081,7 +10133,6 @@ sub get_dns { while (%alldns) { my ($dns) = 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}); @@ -10173,7 +10224,7 @@ sub get_dns { foreach my $configline (@$file) { next if ($configline =~ /^(\#|\s*$ )/x); chomp($configline); - if ($configline =~ /^\^/) { + if ($configline =~ /^\^/) { if ($configline =~ /^\^([\w.\-]+)/) { $LC_dns_serv{$1} = 1; } @@ -10260,7 +10311,7 @@ sub get_dns { } sub unique_library { - #2x reverse removes all hostnames that appear more than once + #2x reverse removes all hostnames that appear more than once my %unique = reverse &all_library(); return reverse %unique; } @@ -10290,7 +10341,7 @@ sub get_dns { sub get_unique_servers { my %unique = reverse &get_servers(@_); - return reverse %unique; + return reverse %unique; } sub host_domain { @@ -10597,25 +10648,9 @@ BEGIN { } } -# ---------------------------------------------------------- Read managers table -{ - if (-e "$perlvar{'lonTabDir'}/managers.tab") { - if (open(my $config,"<$perlvar{'lonTabDir'}/managers.tab")) { - while (my $configline=<$config>) { - chomp($configline); - next if ($configline =~ /^\#/); - if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) { - $managerstab{$configline} = 1; - } - } - close($config); - } - } -} - # ------------- set up temporary directory { - $tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; + $tmpdir = LONCAPA::tempdir(); } @@ -10850,7 +10885,7 @@ $checkdefauth is optional (value is 1 if authenticate user using default authentication method, and allow account creation if username does not have account in the domain). $clientcancheckhost is optional (value is 1 if checking whether the - server can host will occur on the client side in lonauth.pm). + server can host will occur on the client side in lonauth.pm). =item * X @@ -11109,11 +11144,32 @@ revokecustomrole($udom,$uname,$url,$role =item * -coursedescription($courseid) : returns a hash of information about the +coursedescription($courseid,$options) : returns a hash of information about the specified course id, including all environment settings for the course, the description of the course will be in the hash under the key 'description' +$options is an optional parameter that if supplied is a hash reference that controls +what how this function works. It has the following key/values: + +=over 4 + +=item freshen_cache + +If defined, and the environment cache for the course is valid, it is +returned in the returned hash. + +=item one_time + +If defined, the last cache time is set to _now_ + +=item user + +If defined, the supplied username is used instead of the current user. + + +=back + =item * resdata($name,$domain,$type,@which) : request for current parameter @@ -11506,6 +11562,7 @@ splitting on '&', supports elements that =head2 Logging Routines + These routines allow one to make log messages in the lonnet.log and lonnet.perm logfiles. @@ -11526,6 +11583,7 @@ logperm() : append a permanent message t file never gets deleted by any automated portion of the system, only messages of critical importance should go in here. + =back =head2 General File Helper Routines @@ -11600,7 +11658,7 @@ userfileupload(): main rotine for puttin the filename is in $env{'form.'.$formname.'.filename'} and the contents of the file is located in $env{'form.'.$formname} context - if coursedoc, store the file in the course of the active role - of the current user; + of the current user; if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp if 'canceloverwrite': delete file in tmp/overwrites directory subdir - required - subdirectory to put the file in under ../userfiles/ @@ -11646,7 +11704,7 @@ userspace, probably shouldn't be called returns either the url of the uploaded file (/uploaded/....) if successful and /adm/notfound.html if unsuccessful (or an error message if context was 'overwrite'). - + =item *