--- loncom/lonnet/perl/lonnet.pm 2013/06/27 18:34:21 1.1172.2.28 +++ loncom/lonnet/perl/lonnet.pm 2012/11/27 23:45:22 1.1199 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1172.2.28 2013/06/27 18:34:21 raeburn Exp $ +# $Id: lonnet.pm,v 1.1199 2012/11/27 23:45:22 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -75,7 +75,10 @@ use LWP::UserAgent(); use HTTP::Date; use Image::Magick; -use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $apache + +use Encode; + +use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease %managerstab); @@ -109,6 +112,7 @@ require Exporter; our @ISA = qw (Exporter); our @EXPORT = qw(%env); + # ------------------------------------ Logging (parameters, docs, slots, roles) { my $logid; @@ -123,19 +127,19 @@ our @EXPORT = qw(%env); $logid ++; my $now = time(); my $id=$now.'00000'.$$.'00000'.$logid; - my $logentry = { - $id => { - 'exe_uname' => $env{'user.name'}, - 'exe_udom' => $env{'user.domain'}, - 'exe_time' => $now, - 'exe_ip' => $ENV{'REMOTE_ADDR'}, - 'delflag' => $delflag, - 'logentry' => $storehash, - 'uname' => $uname, - 'udom' => $udom, - } + my $logentry = { + $id => { + 'exe_uname' => $env{'user.name'}, + 'exe_udom' => $env{'user.domain'}, + 'exe_time' => $now, + 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'delflag' => $delflag, + 'logentry' => $storehash, + 'uname' => $uname, + 'udom' => $udom, + } }; - return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum); + return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum); } } @@ -630,15 +634,6 @@ sub check_for_valid_session { || !defined($disk_env{'user.domain'})) { return undef; } - - if (($r->user() eq '') && ($apache >= 2.4)) { - if ($disk_env{'user.domain'} eq $r->dir_config('lonDefDomain')) { - $r->user($disk_env{'user.name'}); - } else { - $r->user($disk_env{'user.name'}.':'.$disk_env{'user.domain'}); - } - } - return $handle; } @@ -1271,7 +1266,7 @@ sub check_loadbalancing { } } if (ref($result) eq 'HASH') { - ($is_balancer,$currtargets,$currrules) = + ($is_balancer,$currtargets,$currrules) = &check_balancer_result($result,@hosts); if ($is_balancer) { if (ref($currrules) eq 'HASH') { @@ -1330,7 +1325,7 @@ sub check_loadbalancing { } } if (ref($result) eq 'HASH') { - ($is_balancer,$currtargets,$currrules) = + ($is_balancer,$currtargets,$currrules) = &check_balancer_result($result,@hosts); if ($is_balancer) { if (ref($currrules) eq 'HASH') { @@ -1386,8 +1381,8 @@ sub check_loadbalancing { $is_balancer = 0; if ($uname ne '' && $udom ne '') { if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { - - &appenv({'user.loadbalexempt' => $lonhost, + + &appenv({'user.loadbalexempt' => $lonhost, 'user.loadbalcheck.time' => time}); } } @@ -2005,9 +2000,8 @@ sub get_domain_defaults { } } if (ref($domconfig{'coursedefaults'}) eq 'HASH') { - if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') { - $domdefaults{'officialcredits'} = $domconfig{'coursedefaults'}{'coursecredits'}{'official'}; - $domdefaults{'unofficialcredits'} = $domconfig{'coursedefaults'}{'coursecredits'}{'unofficial'}; + foreach my $item ('canuse_pdfforms') { + $domdefaults{$item} = $domconfig{'coursedefaults'}{$item}; } } if (ref($domconfig{'usersessions'}) eq 'HASH') { @@ -2018,7 +2012,8 @@ sub get_domain_defaults { $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'}; } } - &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime); + &Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults, + $cachetime); return %domdefaults; } @@ -2615,10 +2610,13 @@ sub ssi { $request->header(Cookie => $ENV{'HTTP_COOKIE'}); my $response= $ua->request($request); + my $content = $response->content; + + if (wantarray) { - return ($response->content, $response); + return ($content, $response); } else { - return $response->content; + return $content; } } @@ -2650,7 +2648,7 @@ sub allowuploaded { # # Determine if the current user should be able to edit a particular resource, # when viewing in course context. -# (a) When viewing resource used to determine if "Edit" item is included in +# (a) When viewing resource used to determine if "Edit" item is included in # Functions. # (b) When displaying folder contents in course editor, used to determine if # "Edit" link will be displayed alongside resource. @@ -2658,12 +2656,12 @@ sub allowuploaded { # input: six args -- filename (decluttered), course number, course domain, # url, symb (if registered) and group (if this is a group # item -- e.g., bulletin board, group page etc.). -# output: array of five scalars -- +# output: array of five scalars -- # $cfile -- url for file editing if editable on current server # $home -- homeserver of resource (i.e., for author if published, # or course if uploaded.). # $switchserver -- 1 if server switch will be needed. -# $forceedit -- 1 if icon/link should be to go to edit mode +# $forceedit -- 1 if icon/link should be to go to edit mode # $forceview -- 1 if icon/link should be to go to view mode # @@ -2718,14 +2716,10 @@ sub can_edit_resource { return; } } else { - if ($resurl =~ m{^/?adm/viewclasslist$}) { - unless (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { - return; - } - } elsif (!$crsedit) { # # No edit allowed where CC has switched to student role. # + unless ($crsedit) { return; } } @@ -2738,11 +2732,7 @@ sub can_edit_resource { $incourse = 1; if ($file =~/\.(htm|html|css|js|txt)$/) { $cfile = &hreflocation('',$file); - if ($env{'form.forceedit'}) { - $forceview = 1; - } else { - $forceedit = 1; - } + $forceedit = 1; } } elsif ($resurl =~ m{^/public/$cdom/$cnum/syllabus}) { $incourse = 1; @@ -2752,7 +2742,7 @@ sub can_edit_resource { $forceedit = 1; } $cfile = $resurl; - } elsif (($resurl ne '') && (&is_on_map($resurl))) { + } elsif (($resurl ne '') && (&is_on_map($resurl))) { if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg|bulletinboard$}) { $incourse = 1; if ($env{'form.forceedit'}) { @@ -2772,18 +2762,10 @@ sub can_edit_resource { $forceedit = 1; } $cfile = $resurl; - } elsif ($resurl =~ m{^/?adm/viewclasslist$}) { - $incourse = 1; - if ($env{'form.forceedit'}) { - $forceview = 1; - } else { - $forceedit = 1; - } - $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl"); } } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') { my $template = '/res/lib/templates/simpleproblem.problem'; - if (&is_on_map($template)) { + if (&is_on_map($template)) { $incourse = 1; $forceview = 1; $cfile = $template; @@ -2812,7 +2794,7 @@ sub can_edit_resource { } if ($uploaded || $incourse) { $home=&homeserver($cnum,$cdom); - } elsif ($file !~ m{/$}) { + } else { $file=~s{^(priv/$match_domain/$match_username)}{/$1}; $file=~s{^($match_domain/$match_username)}{/priv/$1}; # Check that the user has permission to edit this resource @@ -2823,7 +2805,7 @@ sub can_edit_resource { $cfile=$file; } } - if (($cfile ne '') && (!$incourse || $uploaded) && + if (($cfile ne '') && (!$incourse || $uploaded) && (($home ne '') && ($home ne 'no_host'))) { my @ids=¤t_machine_ids(); unless (grep(/^\Q$home\E$/,@ids)) { @@ -2838,8 +2820,8 @@ sub is_course_upload { my ($file,$cnum,$cdom) = @_; my $uploadpath = &LONCAPA::propath($cdom,$cnum); $uploadpath =~ s{^\/}{}; - if (($file =~ m{^\Q$uploadpath\E/userfiles/(docs|supplemental)/}) || - ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/})) { + if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) || + ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) { return 1; } return; @@ -2849,13 +2831,9 @@ sub in_course { my ($udom,$uname,$cdom,$cnum,$type,$hideprivileged) = @_; if ($hideprivileged) { my $skipuser; - my %coursehash = &coursedescription($cdom.'_'.$cnum); - my @possdoms = ($cdom); - if ($coursehash{'checkforpriv'}) { - push(@possdoms,split(/,/,$coursehash{'checkforpriv'})); - } - if (&privileged($uname,$udom,\@possdoms)) { + if (&privileged($uname,$udom)) { $skipuser = 1; + my %coursehash = &coursedescription($cdom.'_'.$cnum); if ($coursehash{'nothideprivileged'}) { foreach my $item (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { my $user; @@ -3188,9 +3166,7 @@ sub userfileupload { $codebase,$thumbwidth,$thumbheight, $resizewidth,$resizeheight,$context,$mimetype); } else { - if ($env{'form.folder'}) { - $fname=$env{'form.folder'}.'/'.$fname; - } + $fname=$env{'form.folder'}.'/'.$fname; return &process_coursefile('uploaddoc',$docuname,$docudom, $fname,$formname,$parser, $allfiles,$codebase,$mimetype); @@ -3205,7 +3181,7 @@ sub userfileupload { } else { my $docuname=$env{'user.name'}; my $docudom=$env{'user.domain'}; - if ((exists($env{'form.group'})) || ($context eq 'syllabus')) { + if (exists($env{'form.group'})) { $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; } @@ -3355,9 +3331,7 @@ sub extract_embedded_items { &add_filetype($allfiles,$attr->{'src'},'src'); } if (lc($tagname) eq 'a') { - unless (($attr->{'href'} =~ /^#/) || ($attr->{'href'} eq '')) { - &add_filetype($allfiles,$attr->{'href'},'href'); - } + &add_filetype($allfiles,$attr->{'href'},'href'); } if (lc($tagname) eq 'script') { my $src; @@ -3888,10 +3862,6 @@ sub get_course_adv_roles { $nothide{$user}=1; } } - my @possdoms = ($coursehash{'domain'}); - if ($coursehash{'checkforpriv'}) { - push(@possdoms,split(/,/,$coursehash{'checkforpriv'})); - } my %returnhash=(); my %dumphash= &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); @@ -3904,7 +3874,20 @@ sub get_course_adv_roles { if (($tstart) && ($now<$tstart)) { next; } my ($role,$username,$domain,$section)=split(/\:/,$entry); if ($username eq '' || $domain eq '') { next; } - if ((&privileged($username,$domain,\@possdoms)) && + unless (ref($privileged{$domain}) eq 'HASH') { + my %dompersonnel = + &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); + $privileged{$domain} = {}; + foreach my $server (keys(%dompersonnel)) { + if (ref($dompersonnel{$server}) eq 'HASH') { + foreach my $user (keys(%{$dompersonnel{$server}})) { + my ($trole,$uname,$udom) = split(/:/,$user); + $privileged{$udom}{$uname} = 1; + } + } + } + } + if ((exists($privileged{$domain}{$username})) && (!$nothide{$username.':'.$domain})) { next; } if ($role eq 'cr') { next; } if ($codes) { @@ -3935,7 +3918,8 @@ sub get_my_roles { if ($context eq 'userroles') { %dumphash = &dump('roles',$udom,$uname); } else { - %dumphash = &dump('nohist_userroles',$udom,$uname); + %dumphash= + &dump('nohist_userroles',$udom,$uname); if ($hidepriv) { my %coursehash=&coursedescription($udom.'_'.$uname); foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { @@ -4003,15 +3987,28 @@ sub get_my_roles { } } if ($hidepriv) { - my @privroles = ('dc','su'); if ($context eq 'userroles') { - next if (grep(/^\Q$role\E$/,@privroles)); + if ((&privileged($username,$domain)) && + (!$nothide{$username.':'.$domain})) { + next; + } } else { - my $possdoms = [$domain]; - if (ref($roledoms) eq 'ARRAY') { - push(@{$possdoms},@{$roledoms}); + unless (ref($privileged{$domain}) eq 'HASH') { + my %dompersonnel = + &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); + $privileged{$domain} = {}; + if (keys(%dompersonnel)) { + foreach my $server (keys(%dompersonnel)) { + if (ref($dompersonnel{$server}) eq 'HASH') { + foreach my $user (keys(%{$dompersonnel{$server}})) { + my ($trole,$uname,$udom) = split(/:/,$user); + $privileged{$udom}{$uname} = $trole; + } + } + } + } } - if (&privileged($username,$domain,$possdoms,\@privroles)) { + if (exists($privileged{$domain}{$username})) { if (!$nothide{$username.':'.$domain}) { next; } @@ -4116,16 +4113,16 @@ sub courseiddump { if (($domfilter eq '') || (&host_domain($tryserver) eq $domfilter)) { my $rep; - if (grep { $_ eq $tryserver } ¤t_machine_ids()) { - $rep = &LONCAPA::Lond::dump_course_id_handler( - join(":", (&host_domain($tryserver), $sincefilter, - &escape($descfilter), &escape($instcodefilter), + if (grep { $_ eq $tryserver } current_machine_ids()) { + $rep = LONCAPA::Lond::dump_course_id_handler( + join(":", (&host_domain($tryserver), $sincefilter, + &escape($descfilter), &escape($instcodefilter), &escape($ownerfilter), &escape($coursefilter), - &escape($typefilter), &escape($regexp_ok), - $as_hash, &escape($selfenrollonly), - &escape($catfilter), $showhidden, $caller, - &escape($cloner), &escape($cc_clone), $cloneonly, - &escape($createdbefore), &escape($createdafter), + &escape($typefilter), &escape($regexp_ok), + $as_hash, &escape($selfenrollonly), + &escape($catfilter), $showhidden, $caller, + &escape($cloner), &escape($cc_clone), $cloneonly, + &escape($createdbefore), &escape($createdafter), &escape($creationcontext), $domcloner))); } else { $rep = &reply('courseiddump:'.&host_domain($tryserver).':'. @@ -4140,7 +4137,7 @@ sub courseiddump { &escape($creationcontext).':'.$domcloner, $tryserver); } - + my @pairs=split(/\&/,$rep); foreach my $item (@pairs) { my ($key,$value)=split(/\=/,$item,2); @@ -4246,7 +4243,7 @@ sub get_domain_roles { } my $rolelist; if (ref($roles) eq 'ARRAY') { - $rolelist = join('&',@{$roles}); + $rolelist = join(':',@{$roles}); } my %personnel = (); @@ -4788,12 +4785,9 @@ sub restore { if ($stuname) { $home=&homeserver($stuname,$domain); } if (!$symb) { - return if ($namespace eq 'courserequests'); - unless ($symb=escape(&symbread())) { return ''; } + unless ($symb=escape(&symbread())) { return ''; } } else { - unless ($namespace eq 'courserequests') { - $symb=&escape(&symbclean($symb)); - } + $symb=&escape(&symbclean($symb)); } if (!$namespace) { unless ($namespace=$env{'request.course.id'}) { @@ -4928,93 +4922,20 @@ sub update_released_required { # -------------------------------------------------See if a user is privileged sub privileged { - my ($username,$domain,$possdomains,$possroles)=@_; + my ($username,$domain)=@_; + + my %rolesdump = &dump("roles", $domain, $username) or return 0; my $now = time; - my $roles; - if (ref($possroles) eq 'ARRAY') { - $roles = $possroles; - } else { - $roles = ['dc','su']; - } - if (ref($possdomains) eq 'ARRAY') { - my %privileged = &privileged_by_domain($possdomains,$roles); - foreach my $dom (@{$possdomains}) { - if (($username =~ /^$match_username$/) && ($domain =~ /^$match_domain$/) && - (ref($privileged{$dom}) eq 'HASH')) { - foreach my $role (@{$roles}) { - if (ref($privileged{$dom}{$role}) eq 'HASH') { - if (exists($privileged{$dom}{$role}{$username.':'.$domain})) { - my ($end,$start) = split(/:/,$privileged{$dom}{$role}{$username.':'.$domain}); - return 1 unless (($end && $end < $now) || - ($start && $start > $now)); - } - } - } - } - } - } else { - my %rolesdump = &dump("roles", $domain, $username) or return 0; - my $now = time; - for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys %rolesdump}) { + for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys %rolesdump}) { my ($trole, $tend, $tstart) = split(/_/, $role); - if (grep(/^\Q$trole\E$/,@{$roles})) { - return 1 unless ($tend && $tend < $now) - or ($tstart && $tstart > $now); + if (($trole eq 'dc') || ($trole eq 'su')) { + return 1 unless ($tend && $tend < $now) + or ($tstart && $tstart > $now); } - } - } - return 0; -} + } -sub privileged_by_domain { - my ($domains,$roles) = @_; - my %privileged = (); - my $cachetime = 60*60*24; - my $now = time; - unless ((ref($domains) eq 'ARRAY') && (ref($roles) eq 'ARRAY')) { - return %privileged; - } - foreach my $dom (@{$domains}) { - next if (ref($privileged{$dom}) eq 'HASH'); - my $needroles; - foreach my $role (@{$roles}) { - my ($result,$cached)=&is_cached_new('priv_'.$role,$dom); - if (defined($cached)) { - if (ref($result) eq 'HASH') { - $privileged{$dom}{$role} = $result; - } - } else { - $needroles = 1; - } - } - if ($needroles) { - my %dompersonnel = &get_domain_roles($dom,$roles); - $privileged{$dom} = {}; - foreach my $server (keys(%dompersonnel)) { - if (ref($dompersonnel{$server}) eq 'HASH') { - foreach my $item (keys(%{$dompersonnel{$server}})) { - my ($trole,$uname,$udom,$rest) = split(/:/,$item,4); - my ($end,$start) = split(/:/,$dompersonnel{$server}{$item}); - next if ($end && $end < $now); - $privileged{$dom}{$trole}{$uname.':'.$udom} = - $dompersonnel{$server}{$item}; - } - } - } - if (ref($privileged{$dom}) eq 'HASH') { - foreach my $role (@{$roles}) { - if (ref($privileged{$dom}{$role}) eq 'HASH') { - &do_cache_new('priv_'.$role,$dom,$privileged{$dom}{$role},$cachetime); - } else { - my %hash = (); - &do_cache_new('priv_'.$role,$dom,\%hash,$cachetime); - } - } - } - } - } - return %privileged; + return 0; } # -------------------------------------------------------- Get user privileges @@ -5126,11 +5047,9 @@ sub rolesinit { } sub set_arearole { - my ($trole,$area,$tstart,$tend,$domain,$username,$nolog) = @_; - unless ($nolog) { + my ($trole,$area,$tstart,$tend,$domain,$username) = @_; # log the associated role with the area - &userrolelog($trole,$username,$domain,$area,$tstart,$tend); - } + &userrolelog($trole,$username,$domain,$area,$tstart,$tend); return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend); } @@ -5399,7 +5318,7 @@ sub set_adhoc_privileges { my $area = '/'.$dcdom.'/'.$pickedcourse; my $spec = $role.'.'.$area; my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'}, - $env{'user.name'},1); + $env{'user.name'}); my %ccrole = (); &standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area); my ($author,$adv)= &set_userprivs(\%userroles,\%ccrole); @@ -5468,14 +5387,15 @@ sub unserialize { return {} if $rep =~ /^error/; my %returnhash=(); - foreach my $item (split(/\&/,$rep)) { - my ($key, $value) = split(/=/, $item, 2); - $key = unescape($key) unless $escapedkeys; - next if $key =~ /^error: 2 /; - $returnhash{$key} = &thaw_unescape($value); - } + foreach my $item (split /\&/, $rep) { + my ($key, $value) = split(/=/, $item, 2); + $key = unescape($key) unless $escapedkeys; + next if $key =~ /^error: 2 /; + $returnhash{$key} = Apache::lonnet::thaw_unescape($value); + } + #return %returnhash; return \%returnhash; -} +} # see Lond::dump_with_regexp # if $escapedkeys hash keys won't get unescaped. @@ -5486,11 +5406,11 @@ sub dump { my $uhome=&homeserver($uname,$udomain); my $reply; - if (grep { $_ eq $uhome } ¤t_machine_ids()) { + if (grep { $_ eq $uhome } current_machine_ids()) { # user is hosted on this machine - $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain, - $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'}); - return %{&unserialize($reply, $escapedkeys)}; + $reply = LONCAPA::Lond::dump_with_regexp(join(":", ($udomain, + $uname, $namespace, $regexp, $range)), $loncaparevs{$uhome}); + return %{unserialize($reply, $escapedkeys)}; } if ($regexp) { $regexp=&escape($regexp); @@ -5503,7 +5423,8 @@ sub dump { if (!($rep =~ /^error/ )) { foreach my $item (@pairs) { my ($key,$value)=split(/=/,$item,2); - $key = &unescape($key) unless ($escapedkeys); + $key = unescape($key) unless $escapedkeys; + #$key = &unescape($key); next if ($key =~ /^error: 2 /); $returnhash{$key}=&thaw_unescape($value); } @@ -5544,7 +5465,15 @@ sub currentdump { $sdom = $env{'user.domain'} if (! defined($sdom)); $sname = $env{'user.name'} if (! defined($sname)); my $uhome = &homeserver($sname,$sdom); - my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); + my $rep; + + if (grep { $_ eq $uhome } current_machine_ids()) { + $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname, + $courseid))); + } else { + $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); + } + return if ($rep =~ /^(error:|no_such_host)/); # my %returnhash=(); @@ -5787,13 +5716,13 @@ sub tmpdel { return &reply("tmpdel:$token",$server); } -# ------------------------------------------------------------ get_timebased_id +# ------------------------------------------------------------ get_timebased_id sub get_timebased_id { my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries, $maxtries) = @_; my ($newid,$error,$dellock); - unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) { + unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) { return ('','ok','invalid call to get suffix'); } @@ -5807,7 +5736,7 @@ sub get_timebased_id { if (!$maxtries) { $maxtries = 10; } - + if (($cdom eq '') || ($cnum eq '')) { if ($env{'request.course.id'}) { $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; @@ -6157,7 +6086,7 @@ sub usertools_access { my ($toolstatus,$inststatus,$envkey); if ($context eq 'requestauthor') { - $envkey = $context; + $envkey = $context; } else { $envkey = $context.'.'.$tool; } @@ -6948,7 +6877,7 @@ sub constructaccess { if (($allowed eq 'F') || ($allowed eq 'U')) { # Grant temporary access my $then=$env{'user.login.time'}; - my $update=$env{'user.update.time'}; + my $update==$env{'user.update.time'}; if (!$update) { $update = $then; } my $refresh=$env{'user.refresh.time'}; if (!$refresh) { $refresh = $update; } @@ -7487,8 +7416,8 @@ sub auto_validate_instcode { } $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'. &escape($instcode).':'.&escape($owner),$homeserver)); - my ($outcome,$description,$defaultcredits) = map { &unescape($_); } split('&',$response,3); - return ($outcome,$description,$defaultcredits); + my ($outcome,$description) = map { &unescape($_); } split('&',$response,2); + return ($outcome,$description); } sub auto_create_password { @@ -8027,7 +7956,7 @@ sub assignrole { } } } elsif ($context eq 'requestauthor') { - if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) && + if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) && ($url eq '/'.$udom.'/') && ($role eq 'au')) { if ($env{'environment.requestauthor'} eq 'automatic') { $refused = ''; @@ -8035,13 +7964,13 @@ sub assignrole { my %domdefaults = &get_domain_defaults($udom); if (ref($domdefaults{'requestauthor'}) eq 'HASH') { my $checkbystatus; - if ($env{'user.adv'}) { + if ($env{'user.adv'}) { my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'}; if ($disposition eq 'automatic') { $refused = ''; } elsif ($disposition eq '') { $checkbystatus = 1; - } + } } else { $checkbystatus = 1; } @@ -8110,16 +8039,16 @@ sub assignrole { # log new user role if status is ok if ($answer eq 'ok') { &userrolelog($role,$uname,$udom,$url,$start,$end); +# for course roles, perform group memberships changes triggered by role change. + unless ($role =~ /^gr/) { + &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, + $origstart,$selfenroll,$context); + } if (($role eq 'cc') || ($role eq 'in') || ($role eq 'ep') || ($role eq 'ad') || ($role eq 'ta') || ($role eq 'st') || ($role=~/^cr/) || ($role eq 'gr') || ($role eq 'co')) { -# for course roles, perform group memberships changes triggered by role change. - unless ($role =~ /^gr/) { - &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, - $origstart,$selfenroll,$context); - } &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag, $selfenroll,$context); } elsif (($role eq 'li') || ($role eq 'dg') || ($role eq 'sc') || @@ -8128,7 +8057,7 @@ sub assignrole { $context); } elsif (($role eq 'ca') || ($role eq 'aa')) { &coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag, - $context); + $context); } if ($role eq 'cc') { &autoupdate_coowners($url,$end,$start,$uname,$udom); @@ -8428,7 +8357,7 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid, - $selfenroll,$context,$inststatus,$credits)=@_; + $selfenroll,$context,$inststatus)=@_; if (!$cid) { unless ($cid=$env{'request.course.id'}) { return 'not_in_class'; @@ -8443,14 +8372,12 @@ sub modifystudent { # students environment $uid = undef if (!$forceid); $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, - $gene,$usec,$end,$start,$type,$locktype, - $cid,$selfenroll,$context,$credits); + $gene,$usec,$end,$start,$type,$locktype,$cid,$selfenroll,$context); return $reply; } sub modify_student_enrollment { - my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type, - $locktype,$cid,$selfenroll,$context,$credits) = @_; + my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid,$selfenroll,$context) = @_; my ($cdom,$cnum,$chome); if (!$cid) { unless ($cid=$env{'request.course.id'}) { @@ -8497,7 +8424,7 @@ sub modify_student_enrollment { my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum); my $reply=cput('classlist', {$user => - join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype,$credits) }, + join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, $cdom,$cnum); if (($reply eq 'ok') || ($reply eq 'delayed')) { &devalidate_getsection_cache($udom,$uname,$cid); @@ -8726,7 +8653,7 @@ sub is_course { my %courses = &courseiddump($cdom, '.', 1, '.', '.', $cnum, undef, undef, '.'); - return unless(exists($courses{$cdom.'_'.$cnum})); + return unless exists($courses{$cdom.'_'.$cnum}); return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum; } @@ -8751,9 +8678,6 @@ sub store_userdata { $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; - unless ($namespace eq 'courserequests') { - $datakey = &escape($datakey); - } $result = &reply("store:$udom:$uname:$namespace:$datakey:". $namevalue,$uhome); } @@ -9604,7 +9528,7 @@ sub EXT_cache_set { # --------------------------------------------------------- Value of a Variable sub EXT { - my ($varname,$symbparm,$udom,$uname,$usection,$recurse,$cid)=@_; + my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; unless ($varname) { return ''; } #get real user name/domain, courseid and symb my $courseid; @@ -9737,11 +9661,8 @@ sub EXT { my ($section, $group, @groups); my ($courselevelm,$courselevel); - if (($courseid eq '') && ($cid)) { - $courseid = $cid; - } - if (($symbparm && $courseid) && - (($courseid eq $env{'request.course.id'}) || ($courseid eq $cid))) { + if ($symbparm && defined($courseid) && + $courseid eq $env{'request.course.id'}) { #print '
'.$space.' - '.$qualifier.' - '.$spacequalifierrest; @@ -9988,7 +9909,7 @@ sub metadata { # if it is a non metadata possible uri return quickly if (($uri eq '') || (($uri =~ m|^/*adm/|) && - ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard)$})) || + ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) { return undef; } @@ -10366,6 +10287,72 @@ sub gettitle { return $title; } +sub getdocspath { + my ($symb) = @_; + my $path; + if ($symb) { + my ($mapurl,$id,$resurl) = &decode_symb($symb); + if ($resurl=~/\.(sequence|page)$/) { + $mapurl=$resurl; + } elsif ($resurl eq 'adm/navmaps') { + $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'}; + } + my $mapresobj; + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + $mapresobj = $navmap->getResourceByUrl($mapurl); + } + $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1}; + my $type=$2; + if (ref($mapresobj)) { + my $pcslist = $mapresobj->map_hierarchy(); + if ($pcslist ne '') { + foreach my $pc (split(/,/,$pcslist)) { + next if ($pc <= 1); + my $res = $navmap->getByMapPc($pc); + if (ref($res)) { + my $thisurl = $res->src(); + $thisurl=~s{^.*/([^/]+)\.\w+$}{$1}; + my $thistitle = $res->title(); + $path .= '&'. + &Apache::lonhtmlcommon::entity_encode($thisurl).'&'. + &Apache::lonhtmlcommon::entity_encode($thistitle). + ':'.$res->randompick(). + ':'.$res->randomout(). + ':'.$res->encrypted(). + ':'.$res->randomorder(); + } + } + } + $path =~ s/^\&//; + my $maptitle = $mapresobj->title(); + if ($mapurl eq 'default') { + $maptitle = 'Main Course Documents'; + } + $path .= ($path ne '')? '&' : ''. + &Apache::lonhtmlcommon::entity_encode($mapurl).'&'. + &Apache::lonhtmlcommon::entity_encode($maptitle). + ':'.$mapresobj->randompick(). + ':'.$mapresobj->randomout(). + ':'.$mapresobj->encrypted(). + ':'.$mapresobj->randomorder(); + } else { + my $maptitle = &gettitle($mapurl); + if ($mapurl eq 'default') { + $maptitle = 'Main Course Documents'; + } + $path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'. + &Apache::lonhtmlcommon::entity_encode($maptitle).'::::'; + } + unless ($mapurl eq 'default') { + $path = 'default&'. + &Apache::lonhtmlcommon::entity_encode('Main Course Documents'). + '::::&'.$path; + } + } + return $path; +} + sub get_slot { my ($which,$cnum,$cdom)=@_; if (!$cnum || !$cdom) { @@ -10419,7 +10406,7 @@ sub get_course_slots { my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); my ($tmp) = keys(%slots); if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - &do_cache_new('allslots',$hashid,\%slots,600); + &Apache::lonnet::do_cache_new('allslots',$hashid,\%slots,600); return %slots; } } @@ -10513,46 +10500,34 @@ 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}; - } else { - $ids=$bighash{'ids_'.&clutter($thisurl)}; } + my $ids=$bighash{'ids_'.&clutter($thisurl)}; unless ($ids) { - my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; + my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; $ids=$bighash{$idkey}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) - if ($thisfn =~ m{^/adm/wrapper/ext/}) { - $symb =~ s/\?.+$//; - } foreach my $id (split(/\,/,$ids)) { my ($mapid,$resid)=split(/\./,$id); + if ($thisfn =~ m{^/adm/wrapper/ext/}) { + $symb =~ s/\?.+$//; + } if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { if (ref($encstate)) { $$encstate = $bighash{'encrypted_'.$id}; } - if (($env{'request.role.adv'}) || - ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || + if (($env{'request.role.adv'}) || + ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || ($thisurl eq '/adm/navmaps')) { - $okay=1; - last; - } - } - } + $okay=1; + } + } + } } untie(%bighash); } @@ -10625,18 +10600,18 @@ sub deversion { sub symbread { my ($thisfn,$donotrecurse)=@_; - my $cache_str; - if ($thisfn ne '') { - $cache_str='request.symbread.cached.'.$thisfn; - if ($env{$cache_str} ne '') { + my $cache_str='request.symbread.cached.'.$thisfn; + if (defined($env{$cache_str})) { + if (($thisfn) || ($env{$cache_str} ne '')) { return $env{$cache_str}; } - } else { + } # no filename provided? try from environment + unless ($thisfn) { if ($env{'request.symb'}) { - return $env{$cache_str}=&symbclean($env{'request.symb'}); - } - $thisfn=$env{'request.filename'}; + return $env{$cache_str}=&symbclean($env{'request.symb'}); + } + $thisfn=$env{'request.filename'}; } if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } # is that filename actually a symb? Verify, clean, and return @@ -10864,6 +10839,7 @@ sub rndseed { $which =&get_rand_alg($courseid); } if (defined(&getCODE())) { + if ($which eq '64bit5') { return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); } elsif ($which eq '64bit4') { @@ -11546,12 +11522,12 @@ sub goodbye { } sub get_dns { - my ($url,$func,$ignore_cache,$nocache,$hashref) = @_; + my ($url,$func,$ignore_cache) = @_; if (!$ignore_cache) { my ($content,$cached)= &Apache::lonnet::is_cached_new('dns',$url); if ($cached) { - &$func($content,$hashref); + &$func($content); return; } } @@ -11576,10 +11552,8 @@ sub get_dns { delete($alldns{$dns}); next if ($response->is_error()); my @content = split("\n",$response->content); - unless ($nocache) { - &do_cache_new('dns',$url,\@content,30*24*60*60); - } - &$func(\@content,$hashref); + &Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60); + &$func(\@content); return; } close($config); @@ -11587,62 +11561,9 @@ sub get_dns { &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n"); open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab"); my @content = <$config>; - &$func(\@content,$hashref); - return; -} - -# ------------------------------------------------------Get DNS checksums file -sub parse_dns_checksums_tab { - my ($lines,$hashref) = @_; - my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'}); - my $loncaparev = &get_server_loncaparev($machine_dom); - my ($release,$timestamp) = split(/\-/,$loncaparev); - my (%chksum,%revnum); - if (ref($lines) eq 'ARRAY') { - chomp(@{$lines}); - my $versions = shift(@{$lines}); - my %supported; - if ($versions =~ /^VERSIONS\:([\w\.\,]+)$/) { - my $releaseslist = $1; - if ($releaseslist =~ /,/) { - map { $supported{$_} = 1; } split(/,/,$releaseslist); - } elsif ($releaseslist) { - $supported{$releaseslist} = 1; - } - } - if ($supported{$release}) { - my $matchthis = 0; - foreach my $line (@{$lines}) { - if ($line =~ /^(\d[\w\.]+)$/) { - if ($matchthis) { - last; - } elsif ($1 eq $release) { - $matchthis = 1; - } - } elsif ($matchthis) { - my ($file,$version,$shasum) = split(/,/,$line); - $chksum{$file} = $shasum; - $revnum{$file} = $version; - } - } - if (ref($hashref) eq 'HASH') { - %{$hashref} = ( - sums => \%chksum, - versions => \%revnum, - ); - } - } - } + &$func(\@content); return; } - -sub fetch_dns_checksums { - my %checksums; - &get_dns('/adm/dns/checksums',\&parse_dns_checksums_tab,1,1, - \%checksums); - return \%checksums; -} - # ------------------------------------------------------------ Read domain file { my $loaded; @@ -11952,9 +11873,9 @@ sub fetch_dns_checksums { } push(@{$iphost{$ip}},@{$name_to_host{$name}}); } - &do_cache_new('iphost','iphost', - [\%iphost,\%name_to_ip,\%lonid_to_ip], - 48*60*60); + &Apache::lonnet::do_cache_new('iphost','iphost', + [\%iphost,\%name_to_ip,\%lonid_to_ip], + 48*60*60); return %iphost; } @@ -12010,7 +11931,7 @@ sub fetch_dns_checksums { } $seen{$prim_ip} = 1; } - return &do_cache_new('internetnames',$lonid,\@idns,12*60*60); + return &Apache::lonnet::do_cache_new('internetnames',$lonid,\@idns,12*60*60); } } @@ -12019,39 +11940,6 @@ sub all_loncaparevs { return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10); } -# ------------------------------------------------------- Read loncaparev table -{ - sub load_loncaparevs { - if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") { - if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) { - while (my $configline=<$config>) { - chomp($configline); - my ($hostid,$loncaparev)=split(/:/,$configline); - $loncaparevs{$hostid}=$loncaparev; - } - close($config); - } - } - } -} - -# ----------------------------------------------------- Read serverhostID table -{ - sub load_serverhomeIDs { - if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { - if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { - while (my $configline=<$config>) { - chomp($configline); - my ($name,$id)=split(/:/,$configline); - $serverhomeIDs{$name}=$id; - } - close($config); - } - } - } -} - - BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf @@ -12127,15 +12015,34 @@ BEGIN { close($config); } -# --------------------------------------------------------- Read loncaparev table - -&load_loncaparevs(); - -# ------------------------------------------------------- Read serverhostID table +# ---------------------------------------------------------- Read loncaparev table +{ + if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") { + if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($hostid,$loncaparev)=split(/:/,$configline); + $loncaparevs{$hostid}=$loncaparev; + } + close($config); + } + } +} -&load_serverhomeIDs(); +# ---------------------------------------------------------- Read serverhostID table +{ + if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { + if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($name,$id)=split(/:/,$configline); + $serverhomeIDs{$name}=$id; + } + close($config); + } + } +} -# ---------------------------------------------------------- Read releaseslist XML { my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml'; if (-e $file) { @@ -12194,17 +12101,6 @@ $readit=1; if ($test != 0) { $_64bit=1; } else { $_64bit=0; } &logthis(" Detected 64bit platform ($_64bit)"); } - - { - eval { - ($apache) = - (Apache2::ServerUtil::get_server_version() =~ m{Apache/(\d+\.\d+)}); - }; - if ($@) { - $apache = 1.3; - } - } - } } @@ -12345,8 +12241,8 @@ were new keys. I.E. 1:foo will become 1: Calling convention: - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname); - &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname); + my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname,$home); + &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$home); For more detailed information, see lonnet specific documentation. @@ -12523,7 +12419,7 @@ environment). If no custom name is defi =item * -get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv) : +get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec) : All arguments are optional. Returns a hash of a roles, either for co-author/assistant author roles for a user's Construction Space (default), or if $context is 'userroles', roles for the user himself, @@ -12540,37 +12436,13 @@ provided for types, will default to retu =item * in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if -user: $uname:$udom has a role in the course: $cdom_$cnum. +user: $uname:$udom has a role in the course: $cdom_$cnum. -Additional optional arguments are: $type (if role checking is to be restricted +Additional optional arguments are: $type (if role checking is to be restricted to certain user status types -- previous (expired roles), active (currently available roles) or future (roles available in the future), and $hideprivileged -- if true will not report course roles for users who -have active Domain Coordinator role in course's domain or in additional -domains (specified in 'Domains to check for privileged users' in course -environment -- set via: Course Settings -> Classlists and staff listing). - -=item * - -privileged($username,$domain,$possdomains,$possroles) : returns 1 if user -$username:$domain is a privileged user (e.g., Domain Coordinator or Super User) -$possdomains and $possroles are optional array refs -- to domains to check and -roles to check. If $possdomains is not specified, a dump will be done of the -users' roles.db to check for a dc or su role in any domain. This can be -time consuming if &privileged is called repeatedly (e.g., when displaying a -classlist), so in such cases, supplying a $possdomains array is preferred, as -this then allows &privileged_by_domain() to be used, which caches the identity -of privileged users, eliminating the need for repeated calls to &dump(). - -=item * - -privileged_by_domain($possdomains,$roles) : returns a hash of a hash of a hash, -where the outer hash keys are domains specified in the $possdomains array ref, -next inner hash keys are privileged roles specified in the $roles array ref, -and the innermost hash contains key = value pairs for username:domain = end:start -for active or future "privileged" users with that role in that domain. To avoid -repeated dumps of domain roles -- via &get_domain_roles() -- contents of the -innerhash are cached using priv_$role and $dom as the identifiers. +have active Domain Coordinator or Super User roles. =back @@ -12664,9 +12536,7 @@ Inputs: =item B<$context> role change context (shown in User Management Logs display in a course) -=item B<$inststatus> institutional status of user - : separated string of escaped status types - -=item B<$credits> Number of credits student will earn from this class - only needs to be supplied if value needs to be different from default credits for class. +=item B<$inststatus> institutional status of user - : separated string of escaped status types =back @@ -12711,8 +12581,6 @@ Inputs: =item $context -=item $credits, number of credits student will earn from this class - =back @@ -12837,15 +12705,10 @@ resource. Expects the local filesystem p =item * -EXT($varname,$symb,$udom,$uname,$usection,$recurse,$cid) : evaluates -and returns the value of a variety of different possible values, -$varname should be a request string, and the other parameters can be -used to specify who and what one is asking about. Ordinarily, $cid -does not need to be specified, as it is retrived from -$env{'request.course.id'}, but &Apache::lonnet::EXT() is called -within lonuserstate::loadmap() when initializing a course, before -$env{'request.course.id'} has been set, so it needs to be provided -in that one case. +EXT($varname,$symb,$udom,$uname) : evaluates and returns the value of +a vairety of different possible values, $varname should be a request +string, and the other parameters can be used to specify who and what +one is asking about. Possible values for $varname are environment.lastname (or other item from the envirnment hash), user.name (or someother aspect about the @@ -12888,9 +12751,9 @@ and is a possible symb for the URL in $t resource that the user accessed using /enc/ returns a 1 on success, 0 on failure, user must be in a course, as it assumes the existence of the course initial hash, and uses $env('request.course.id'}. The third -arg is an optional reference to a scalar. If this arg is passed in the +arg is an optional reference to a scalar. If this arg is passed in the call to symbverify, it will be set to 1 if the symb has been set to be -encrypted; otherwise it will be null. +encrypted; otherwise it will be null. =item * @@ -12943,13 +12806,13 @@ expirespread($uname,$udom,$stype,$usymb) devalidate($symb) : devalidate temporary spreadsheet calculations, forcing spreadsheet to reevaluate the resource scores next time. -=item * +=item * can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource, when viewing in course context. input: six args -- filename (decluttered), course number, course domain, - url, symb (if registered) and group (if this is a + url, symb (if registered) and group (if this is a group item -- e.g., bulletin board, group page etc.). output: array of five scalars -- @@ -12957,15 +12820,15 @@ when viewing in course context. $home -- homeserver of resource (i.e., for author if published, or course if uploaded.). $switchserver -- 1 if server switch will be needed. - $forceedit -- 1 if icon/link should be to go to edit mode + $forceedit -- 1 if icon/link should be to go to edit mode $forceview -- 1 if icon/link should be to go to view mode =item * is_course_upload($file,$cnum,$cdom) -Used in course context to determine if current file was uploaded to -the course (i.e., would be found in /userfiles/docs on the course's +Used in course context to determine if current file was uploaded to +the course (i.e., would be found in /userfiles/docs on the course's homeserver. input: 3 args -- filename (decluttered), course number and course domain. @@ -13551,8 +13414,8 @@ Returns: get_timebased_id(): -Attempts to get a unique timestamp-based suffix for use with items added to a -course via the Course Editor (e.g., folders, composite pages, +Attempts to get a unique timestamp-based suffix for use with items added to a +course via the Course Editor (e.g., folders, composite pages, group bulletin boards). Args: (first three required; six others optional) @@ -13563,24 +13426,24 @@ Args: (first three required; six others 2. keyid (alphanumeric): name of temporary locking key in hash, e.g., num, boardids -3. namespace: name of gdbm file used to store suffixes already assigned; +3. namespace: name of gdbm file used to store suffixes already assigned; file will be named nohist_namespace.db 4. cdom: domain of course; default is current course domain from %env 5. cnum: course number; default is current course number from %env -6. idtype: set to concat if an additional digit is to be appended to the +6. idtype: set to concat if an additional digit is to be appended to the unix timestamp to form the suffix, if the plain timestamp is already - in use. Default is to not do this, but simply increment the unix + in use. Default is to not do this, but simply increment the unix timestamp by 1 until a unique key is obtained. 7. who: holder of locking key; defaults to user:domain for user. -8. locktries: number of attempts to obtain a lock (sleep of 1s before +8. locktries: number of attempts to obtain a lock (sleep of 1s before retrying); default is 3. -9. maxtries: number of attempts to obtain a unique suffix; default is 20. +9. maxtries: number of attempts to obtain a unique suffix; default is 20. Returns: