--- loncom/lonnet/perl/lonnet.pm 2014/06/25 18:44:10 1.1172.2.52
+++ loncom/lonnet/perl/lonnet.pm 2016/09/17 19:23:42 1.1172.2.80
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1172.2.52 2014/06/25 18:44:10 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.80 2016/09/17 19:23:42 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -89,7 +89,7 @@ use GDBM_File;
use HTML::LCParser;
use Fcntl qw(:flock);
use Storable qw(thaw nfreeze);
-use Time::HiRes qw( gettimeofday tv_interval );
+use Time::HiRes qw( sleep gettimeofday tv_interval );
use Cache::Memcached;
use Digest::MD5;
use Math::Random;
@@ -102,7 +102,7 @@ use LONCAPA::Lond;
use File::Copy;
my $readit;
-my $max_connection_retries = 10; # Or some such value.
+my $max_connection_retries = 20; # Or some such value.
require Exporter;
@@ -370,7 +370,7 @@ sub subreply {
my $lockfile=$peerfile.".lock";
while (-e $lockfile) { # Need to wait for the lockfile to disappear.
- sleep(1);
+ sleep(0.1);
}
# At this point, either a loncnew parent is listening or an old lonc
# or loncnew child is listening so we can connect or everything's dead.
@@ -388,7 +388,7 @@ sub subreply {
} else {
&create_connection(&hostname($server),$server);
}
- sleep(1); # Try again later if failed connection.
+ sleep(0.1); # Try again later if failed connection.
}
my $answer;
if ($client) {
@@ -417,8 +417,8 @@ sub reply {
sub reconlonc {
my ($lonid) = @_;
- my $hostname = &hostname($lonid);
if ($lonid) {
+ my $hostname = &hostname($lonid);
my $peerfile="$perlvar{'lonSockDir'}/$hostname";
if ($hostname && -e $peerfile) {
&logthis("Trying to reconnect lonc for $lonid ($hostname)");
@@ -464,7 +464,7 @@ sub critical {
}
my $answer=reply($cmd,$server);
if ($answer eq 'con_lost') {
- &reconlonc("$perlvar{'lonSockDir'}/$server");
+ &reconlonc($server);
my $answer=reply($cmd,$server);
if ($answer eq 'con_lost') {
my $now=time;
@@ -481,7 +481,7 @@ sub critical {
close($dfh);
}
}
- sleep 2;
+ sleep 1;
my $wcmd='';
{
my $dfh;
@@ -844,10 +844,8 @@ sub spareserver {
if (ref($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,
- $try_server));
- }
+ next unless (&spare_can_host($udom,$uint_dom,$remotesessions,
+ $try_server));
($spare_server, $lowest_load) =
&compare_server_load($try_server, $spare_server, $lowest_load);
}
@@ -858,10 +856,8 @@ sub spareserver {
if (!$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));
- }
+ next unless (&spare_can_host($udom,$uint_dom,
+ $remotesessions,$try_server));
($spare_server, $lowest_load) =
&compare_server_load($try_server, $spare_server, $lowest_load);
}
@@ -1173,19 +1169,27 @@ sub can_host_session {
sub spare_can_host {
my ($udom,$uint_dom,$remotesessions,$try_server)=@_;
my $canhost=1;
- my @intdoms;
- my $internet_names = &Apache::lonnet::get_internet_names($try_server);
- if (ref($internet_names) eq 'ARRAY') {
- @intdoms = @{$internet_names};
- }
- unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
- my $serverhomeID = &Apache::lonnet::get_server_homeID($try_server);
- my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
- my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
- my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server);
- $canhost = &can_host_session($udom,$try_server,$remoterev,
- $remotesessions,
- $defdomdefaults{'hostedsessions'});
+ my $try_server_hostname = &hostname($try_server);
+ my $serverhomeID = &get_server_homeID($try_server_hostname);
+ my $serverhomedom = &host_domain($serverhomeID);
+ my %defdomdefaults = &get_domain_defaults($serverhomedom);
+ if (ref($defdomdefaults{'offloadnow'}) eq 'HASH') {
+ if ($defdomdefaults{'offloadnow'}{$try_server}) {
+ $canhost = 0;
+ }
+ }
+ if (($canhost) && ($uint_dom)) {
+ my @intdoms;
+ my $internet_names = &get_internet_names($try_server);
+ if (ref($internet_names) eq 'ARRAY') {
+ @intdoms = @{$internet_names};
+ }
+ unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
+ my $remoterev = &get_server_loncaparev(undef,$try_server);
+ $canhost = &can_host_session($udom,$try_server,$remoterev,
+ $remotesessions,
+ $defdomdefaults{'hostedsessions'});
+ }
}
return $canhost;
}
@@ -1279,7 +1283,7 @@ sub check_loadbalancing {
my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);
my $intdom = &Apache::lonnet::internet_dom($lonhost);
my $serverhomedom = &host_domain($lonhost);
-
+ my $domneedscache;
my $cachetime = 60*60*24;
if (($uintdom ne '') && ($uintdom eq $intdom)) {
@@ -1294,6 +1298,8 @@ sub check_loadbalancing {
&Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
$result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime);
+ } else {
+ $domneedscache = $dom_in_use;
}
}
if (ref($result) eq 'HASH') {
@@ -1352,7 +1358,9 @@ sub check_loadbalancing {
my %domconfig =
&Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom);
if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
- $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime);
+ $result = &do_cache_new('loadbalancing',$serverhomedom,$domconfig{'loadbalancing'},$cachetime);
+ } else {
+ $domneedscache = $serverhomedom;
}
}
if (ref($result) eq 'HASH') {
@@ -1372,12 +1380,21 @@ sub check_loadbalancing {
$is_balancer = 1;
$offloadto = &this_host_spares($dom_in_use);
}
+ unless (defined($cached)) {
+ $domneedscache = $serverhomedom;
+ }
}
} else {
if ($perlvar{'lonBalancer'} eq 'yes') {
$is_balancer = 1;
$offloadto = &this_host_spares($dom_in_use);
}
+ unless (defined($cached)) {
+ $domneedscache = $serverhomedom;
+ }
+ }
+ if ($domneedscache) {
+ &do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
}
if ($is_balancer) {
my $lowest_load = 30000;
@@ -1550,7 +1567,7 @@ sub idget {
my %servers = &get_servers($udom,'library');
foreach my $tryserver (keys(%servers)) {
- my $idlist=join('&',@ids);
+ my $idlist=join('&', map { &escape($_); } @ids);
$idlist=~tr/A-Z/a-z/;
my $reply=&reply("idget:$udom:".$idlist,$tryserver);
my @answer=();
@@ -1560,7 +1577,7 @@ sub idget {
my $i;
for ($i=0;$i<=$#ids;$i++) {
if ($answer[$i]) {
- $returnhash{$ids[$i]}=$answer[$i];
+ $returnhash{$ids[$i]}=&unescape($answer[$i]);
}
}
}
@@ -1647,6 +1664,7 @@ sub dump_dom {
sub get_dom {
my ($namespace,$storearr,$udom,$uhome)=@_;
+ return if ($udom eq 'public');
my $items='';
foreach my $item (@$storearr) {
$items.=&escape($item).'&';
@@ -1654,6 +1672,7 @@ sub get_dom {
$items=~s/\&$//;
if (!$udom) {
$udom=$env{'user.domain'};
+ return if ($udom eq 'public');
if (defined(&domain($udom,'primary'))) {
$uhome=&domain($udom,'primary');
} else {
@@ -1787,7 +1806,7 @@ 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)/+[^/]-) {
if (&domain($1) ne '') {
return '1';
}
@@ -1928,6 +1947,63 @@ sub get_instuser {
return ($outcome,%userinfo);
}
+sub get_multiple_instusers {
+ my ($udom,$users,$caller) = @_;
+ my ($outcome,$results);
+ if (ref($users) eq 'HASH') {
+ my $count = keys(%{$users});
+ my $requested = &freeze_escape($users);
+ my $homeserver = &domain($udom,'primary');
+ if ($homeserver ne '') {
+ my $queryid=&reply('querysend:getmultinstusers:::'.$caller.'='.$requested,$homeserver);
+ my $host=&hostname($homeserver);
+ if ($queryid !~/^\Q$host\E\_/) {
+ &logthis('get_multiple_instusers invalid queryid: '.$queryid.
+ ' for host: '.$homeserver.'in domain '.$udom);
+ return ($outcome,$results);
+ }
+ my $response = &get_query_reply($queryid);
+ my $maxtries = 5;
+ if ($count > 100) {
+ $maxtries = 1+int($count/20);
+ }
+ my $tries = 1;
+ while (($response=~/^timeout/) && ($tries <= $maxtries)) {
+ $response = &get_query_reply($queryid);
+ $tries ++;
+ }
+ if ($response eq '') {
+ $results = {};
+ foreach my $key (keys(%{$users})) {
+ my ($uname,$id);
+ if ($caller eq 'id') {
+ $id = $key;
+ } else {
+ $uname = $key;
+ }
+ my ($resp,%info) = &get_instuser($udom,$uname,$id);
+ $outcome = $resp;
+ if ($resp eq 'ok') {
+ %{$results} = (%{$results}, %info);
+ } else {
+ last;
+ }
+ }
+ } elsif(!&error($response) && ($response ne 'refused')) {
+ if (($response eq 'unavailable') || ($response eq 'invalid') || ($response eq 'timeout')) {
+ $outcome = $response;
+ } else {
+ ($outcome,my $userdata) = split(/=/,$response,2);
+ if ($outcome eq 'ok') {
+ $results = &thaw_unescape($userdata);
+ }
+ }
+ }
+ }
+ }
+ return ($outcome,$results);
+}
+
sub inst_rulecheck {
my ($udom,$uname,$id,$item,$rules) = @_;
my %returnhash;
@@ -2024,7 +2100,7 @@ sub get_domain_defaults {
'requestcourses','inststatus',
'coursedefaults','usersessions',
'requestauthor','selfenrollment',
- 'coursecategories'],$domain);
+ 'coursecategories','autoenroll'],$domain);
my @coursetypes = ('official','unofficial','community','textbook');
if (ref($domconfig{'defaults'}) eq 'HASH') {
$domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
@@ -2068,6 +2144,11 @@ sub get_domain_defaults {
}
}
if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+ $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};
+ $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};
+ if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
+ $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};
+ }
foreach my $type (@coursetypes) {
if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
unless ($type eq 'community') {
@@ -2077,6 +2158,22 @@ sub get_domain_defaults {
if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') {
$domdefaults{$type.'quota'} = $domconfig{'coursedefaults'}{'uploadquota'}{$type};
}
+ if ($domdefaults{'postsubmit'} eq 'on') {
+ if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
+ $domdefaults{$type.'postsubtimeout'} =
+ $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};
+ }
+ }
+ }
+ if (ref($domconfig{'coursedefaults'}{'canclone'}) eq 'HASH') {
+ if (ref($domconfig{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
+ my @clonecodes = @{$domconfig{'coursedefaults'}{'canclone'}{'instcode'}};
+ if (@clonecodes) {
+ $domdefaults{'canclone'} = join('+',@clonecodes);
+ }
+ }
+ } elsif ($domconfig{'coursedefaults'}{'canclone'}) {
+ $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'};
}
}
if (ref($domconfig{'usersessions'}) eq 'HASH') {
@@ -2086,6 +2183,9 @@ sub get_domain_defaults {
if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') {
$domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'};
}
+ if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
+ $domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
+ }
}
if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
@@ -2125,6 +2225,9 @@ sub get_domain_defaults {
$domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
}
}
+ if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+ $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};
+ }
&do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
return %domdefaults;
}
@@ -2715,7 +2818,12 @@ sub ssi {
&Apache::lonenc::check_encrypt(\$fn);
if (%form) {
$request=new HTTP::Request('POST',&absolute_url().$fn);
- $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys(%form)));
+ $request->content(join('&',map {
+ my $name = escape($_);
+ "$name=" . ( ref($form{$_}) eq 'ARRAY'
+ ? join("&$name=", map {escape($_) } @{$form{$_}})
+ : &escape($form{$_}) );
+ } keys(%form)));
} else {
$request=new HTTP::Request('GET',&absolute_url().$fn);
}
@@ -4236,7 +4344,7 @@ sub courseiddump {
$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
$selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,
$cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner,
- $hasuniquecode)=@_;
+ $hasuniquecode,$reqcrsdom,$reqinstcode)=@_;
my $as_hash = 1;
my %returnhash;
if (!$domfilter) { $domfilter=''; }
@@ -4259,7 +4367,8 @@ sub courseiddump {
&escape($catfilter), $showhidden, $caller,
&escape($cloner), &escape($cc_clone), $cloneonly,
&escape($createdbefore), &escape($createdafter),
- &escape($creationcontext), $domcloner, $hasuniquecode)));
+ &escape($creationcontext),$domcloner,$hasuniquecode,
+ $reqcrsdom,&escape($reqinstcode))));
} else {
$rep = &reply('courseiddump:'.&host_domain($tryserver).':'.
$sincefilter.':'.&escape($descfilter).':'.
@@ -4270,8 +4379,8 @@ sub courseiddump {
$showhidden.':'.$caller.':'.&escape($cloner).':'.
&escape($cc_clone).':'.$cloneonly.':'.
&escape($createdbefore).':'.&escape($createdafter).':'.
- &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode,
- $tryserver);
+ &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.
+ ':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);
}
my @pairs=split(/\&/,$rep);
@@ -4410,7 +4519,7 @@ my $cachedkey='';
# The cached times for this user
my %cachedtimes=();
# When this was last done
-my $cachedtime=();
+my $cachedtime='';
sub load_all_first_access {
my ($uname,$udom)=@_;
@@ -4928,7 +5037,7 @@ sub tmprestore {
# ----------------------------------------------------------------------- Store
sub store {
- my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
+ my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
my $home='';
if ($stuname) { $home=&homeserver($stuname,$domain); }
@@ -4958,13 +5067,13 @@ sub store {
}
$namevalue=~s/\&$//;
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);
- return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home");
+ return reply("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
}
# -------------------------------------------------------------- Critical Store
sub cstore {
- my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
+ my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
my $home='';
if ($stuname) { $home=&homeserver($stuname,$domain); }
@@ -4995,7 +5104,7 @@ sub cstore {
$namevalue=~s/\&$//;
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);
return critical
- ("store:$domain:$stuname:$namespace:$symb:$namevalue","$home");
+ ("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
}
# --------------------------------------------------------------------- Restore
@@ -5175,7 +5284,7 @@ sub privileged {
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)
@@ -5264,7 +5373,7 @@ sub rolesinit {
my %allroles=();
my %allgroups=();
- for my $area (grep { ! /^rolesdef_/ } keys %rolesdump) {
+ for my $area (grep { ! /^rolesdef_/ } keys(%rolesdump)) {
my $role = $rolesdump{$area};
$area =~ s/\_\w\w$//;
@@ -5704,18 +5813,17 @@ sub dump {
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
- my $reply;
+ if ($regexp) {
+ $regexp=&escape($regexp);
+ } else {
+ $regexp='.';
+ }
if (grep { $_ eq $uhome } ¤t_machine_ids()) {
# user is hosted on this machine
- $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain,
+ my $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain,
$uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
return %{&unserialize($reply, $escapedkeys)};
}
- if ($regexp) {
- $regexp=&escape($regexp);
- } else {
- $regexp='.';
- }
my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
my @pairs=split(/\&/,$rep);
my %returnhash=();
@@ -5892,7 +6000,7 @@ sub newput {
# --------------------------------------------------------- putstore interface
sub putstore {
- my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
+ my ($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
@@ -5906,6 +6014,17 @@ sub putstore {
my $reply =
&reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
$uhome);
+ if (($tolog) && ($reply eq 'ok')) {
+ my $namevalue='';
+ foreach my $key (keys(%{$storehash})) {
+ $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
+ }
+ $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
+ '&host='.&escape($perlvar{'lonHostID'}).
+ '&version='.$esc_v.
+ '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
+ &Apache::lonnet::courselog($symb.':'.$uname.':'.$udomain.':PUTSTORE:'.$namevalue);
+ }
if ($reply eq 'unknown_cmd') {
# gfall back to way things use to be done
return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
@@ -6064,10 +6183,15 @@ sub get_timebased_id {
my %inuse = &Apache::lonnet::dump('nohist_'.$namespace,$cdom,$cnum,$prefix);
my $id = time;
$newid = $id;
+ if ($idtype eq 'addcode') {
+ $newid .= &sixnum_code();
+ }
my $idtries = 0;
while (exists($inuse{$prefix."\0".$newid}) && $idtries < $maxtries) {
if ($idtype eq 'concat') {
$newid = $id.$idtries;
+ } elsif ($idtype eq 'addcode') {
+ $newid = $newid.&sixnum_code();
} else {
$newid ++;
}
@@ -6084,6 +6208,7 @@ sub get_timebased_id {
$error = 'error saving new item: '.$putresult;
}
} else {
+ undef($newid);
$error = ('error: no unique suffix available for the new item ');
}
# remove lock
@@ -6092,16 +6217,27 @@ sub get_timebased_id {
} else {
$error = "error: could not obtain lockfile\n";
$dellock = 'ok';
+ if (($prefix eq 'paste') && ($namespace eq 'courseeditor') && ($keyid eq 'num')) {
+ $dellock = 'nolock';
+ }
}
return ($newid,$dellock,$error);
}
+sub sixnum_code {
+ my $code;
+ for (0..6) {
+ $code .= int( rand(9) );
+ }
+ return $code;
+}
+
# -------------------------------------------------- portfolio access checking
sub portfolio_access {
- my ($requrl) = @_;
+ my ($requrl,$clientip) = @_;
my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl);
- my $result = &get_portfolio_access($udom,$unum,$file_name,$group);
+ my $result = &get_portfolio_access($udom,$unum,$file_name,$group,$clientip);
if ($result) {
my %setters;
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
@@ -6127,7 +6263,7 @@ sub portfolio_access {
}
sub get_portfolio_access {
- my ($udom,$unum,$file_name,$group,$access_hash) = @_;
+ my ($udom,$unum,$file_name,$group,$clientip,$access_hash) = @_;
if (!ref($access_hash)) {
my $current_perms = &get_portfile_permissions($udom,$unum);
@@ -6136,7 +6272,7 @@ sub get_portfolio_access {
$access_hash = $access_controls{$file_name};
}
- my ($public,$guest,@domains,@users,@courses,@groups);
+ my ($public,$guest,@domains,@users,@courses,@groups,@ips);
my $now = time;
if (ref($access_hash) eq 'HASH') {
foreach my $key (keys(%{$access_hash})) {
@@ -6160,10 +6296,25 @@ sub get_portfolio_access {
push(@courses,$key);
} elsif ($scope eq 'group') {
push(@groups,$key);
+ } elsif ($scope eq 'ip') {
+ push(@ips,$key);
}
}
if ($public) {
return 'ok';
+ } elsif (@ips > 0) {
+ my $allowed;
+ foreach my $ipkey (@ips) {
+ if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {
+ if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {
+ $allowed = 1;
+ last;
+ }
+ }
+ }
+ if ($allowed) {
+ return 'ok';
+ }
}
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
if ($guest) {
@@ -6647,7 +6798,7 @@ sub customaccess {
# ------------------------------------------------- Check for a user privilege
sub allowed {
- my ($priv,$uri,$symb,$role)=@_;
+ my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_;
my $ver_orguri=$uri;
$uri=&deversion($uri);
my $orguri=$uri;
@@ -6842,11 +6993,16 @@ sub allowed {
if ($match) {
if ($env{'user.priv.'.$env{'request.role'}.'./'}
=~/\Q$priv\E\&([^\:]*)/) {
- my @blockers = &has_comm_blocking($priv,$symb,$uri);
- if (@blockers > 0) {
- $thisallowed = 'B';
+ my $value = $1;
+ if ($noblockcheck) {
+ $thisallowed.=$value;
} else {
- $thisallowed.=$1;
+ my @blockers = &has_comm_blocking($priv,$symb,$uri);
+ if (@blockers > 0) {
+ $thisallowed = 'B';
+ } else {
+ $thisallowed.=$value;
+ }
}
}
} else {
@@ -6858,11 +7014,15 @@ sub allowed {
$refuri=&declutter($refuri);
my ($match) = &is_on_map($refuri);
if ($match) {
- my @blockers = &has_comm_blocking($priv,$symb,$refuri);
- if (@blockers > 0) {
- $thisallowed = 'B';
- } else {
+ if ($noblockcheck) {
$thisallowed='F';
+ } else {
+ my @blockers = &has_comm_blocking($priv,$symb,$refuri);
+ if (@blockers > 0) {
+ $thisallowed = 'B';
+ } else {
+ $thisallowed='F';
+ }
}
}
}
@@ -6874,7 +7034,7 @@ sub allowed {
&& $thisallowed ne 'F'
&& $thisallowed ne '2'
&& &is_portfolio_url($uri)) {
- $thisallowed = &portfolio_access($uri);
+ $thisallowed = &portfolio_access($uri,$clientip);
}
# Full access at system, domain or course-wide level? Exit.
@@ -6917,11 +7077,15 @@ sub allowed {
=~/\Q$priv\E\&([^\:]*)/) {
my $value = $1;
if ($priv eq 'bre') {
- my @blockers = &has_comm_blocking($priv,$symb,$uri);
- if (@blockers > 0) {
- $thisallowed = 'B';
- } else {
+ if ($noblockcheck) {
$thisallowed.=$value;
+ } else {
+ my @blockers = &has_comm_blocking($priv,$symb,$uri);
+ if (@blockers > 0) {
+ $thisallowed = 'B';
+ } else {
+ $thisallowed.=$value;
+ }
}
} else {
$thisallowed.=$value;
@@ -6955,11 +7119,15 @@ sub allowed {
=~/\Q$priv\E\&([^\:]*)/) {
my $value = $1;
if ($priv eq 'bre') {
- my @blockers = &has_comm_blocking($priv,$symb,$refuri);
- if (@blockers > 0) {
- $thisallowed = 'B';
- } else {
+ if ($noblockcheck) {
$thisallowed.=$value;
+ } else {
+ my @blockers = &has_comm_blocking($priv,$symb,$refuri);
+ if (@blockers > 0) {
+ $thisallowed = 'B';
+ } else {
+ $thisallowed.=$value;
+ }
}
} else {
$thisallowed.=$value;
@@ -7190,6 +7358,32 @@ sub constructaccess {
return '';
}
+# ----------------------------------------------------------- Content Blocking
+
+{
+# Caches for faster Course Contents display where content blocking
+# is in operation (i.e., interval param set) for timed quiz.
+#
+# User for whom data are being temporarily cached.
+my $cacheduser='';
+# Cached blockers for this user (a hash of blocking items).
+my %cachedblockers=();
+# When the data were last cached.
+my $cachedlast='';
+
+sub load_all_blockers {
+ my ($uname,$udom,$blocks)=@_;
+ if (($uname ne '') && ($udom ne '')) {
+ if (($cacheduser eq $uname.':'.$udom) &&
+ (abs($cachedlast-time)<5)) {
+ return;
+ }
+ }
+ $cachedlast=time;
+ $cacheduser=$uname.':'.$udom;
+ %cachedblockers = &get_commblock_resources($blocks);
+}
+
sub get_comm_blocks {
my ($cdom,$cnum) = @_;
if ($cdom eq '' || $cnum eq '') {
@@ -7210,27 +7404,21 @@ sub get_comm_blocks {
return %commblocks;
}
-sub has_comm_blocking {
- my ($priv,$symb,$uri,$blocks) = @_;
- return unless ($env{'request.course.id'});
- return unless ($priv eq 'bre');
- return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
+sub get_commblock_resources {
+ my ($blocks) = @_;
+ my %blockers = ();
+ return %blockers unless ($env{'request.course.id'});
+ return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
my %commblocks;
if (ref($blocks) eq 'HASH') {
%commblocks = %{$blocks};
} else {
%commblocks = &get_comm_blocks();
}
- return unless (keys(%commblocks) > 0);
- if (!$symb) { $symb=&symbread($uri,1); }
- my ($map,$resid,undef)=&decode_symb($symb);
- my %tocheck = (
- maps => $map,
- resources => $symb,
- );
- my @blockers;
- my $now = time;
+ return %blockers unless (keys(%commblocks) > 0);
my $navmap = Apache::lonnavmaps::navmap->new();
+ return %blockers unless (ref($navmap));
+ my $now = time;
foreach my $block (keys(%commblocks)) {
if ($block =~ /^(\d+)____(\d+)$/) {
my ($start,$end) = ($1,$2);
@@ -7238,17 +7426,13 @@ sub has_comm_blocking {
if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
- if ($commblocks{$block}{'blocks'}{'docs'}{'maps'}{$map}) {
- unless (grep(/^\Q$block\E$/,@blockers)) {
- push(@blockers,$block);
- }
+ if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
+ $blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
}
}
if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
- if ($commblocks{$block}{'blocks'}{'docs'}{'resources'}{$symb}) {
- unless (grep(/^\Q$block\E$/,@blockers)) {
- push(@blockers,$block);
- }
+ if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
+ $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
}
}
}
@@ -7259,32 +7443,31 @@ sub has_comm_blocking {
my @to_test;
if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
- my $check_interval;
- if (&check_docs_block($commblocks{$block}{'blocks'}{'docs'},\%tocheck)) {
- my @interval;
- my $type = 'map';
- if ($item eq 'course') {
- $type = 'course';
- @interval=&EXT("resource.0.interval");
+ my @interval;
+ my $type = 'map';
+ if ($item eq 'course') {
+ $type = 'course';
+ @interval=&EXT("resource.0.interval");
+ } else {
+ if ($item =~ /___\d+___/) {
+ $type = 'resource';
+ @interval=&EXT("resource.0.interval",$item);
+ if (ref($navmap)) {
+ my $res = $navmap->getBySymb($item);
+ push(@to_test,$res);
+ }
} else {
- if ($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);
- @to_test = $mapres->retrieveResources($mapres,undef,0,1);
- foreach my $res (@to_test) {
- my $symb = $res->symb();
- next if ($symb eq $mapsymb);
- if ($symb ne '') {
- @interval=&EXT("resource.0.interval",$symb);
+ my $mapsymb = &symbread($item,1);
+ if ($mapsymb) {
+ if (ref($navmap)) {
+ my $mapres = $navmap->getBySymb($mapsymb);
+ @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1);
+ foreach my $res (@to_test) {
+ my $symb = $res->symb();
+ next if ($symb eq $mapsymb);
+ if ($symb ne '') {
+ @interval=&EXT("resource.0.interval",$symb);
+ if ($interval[1] eq 'map') {
last;
}
}
@@ -7292,26 +7475,35 @@ sub has_comm_blocking {
}
}
}
- if ($interval[0] =~ /\d+/) {
- my $first_access;
- if ($type eq 'resource') {
- $first_access=&get_first_access($interval[1],$item);
- } elsif ($type eq 'map') {
- $first_access=&get_first_access($interval[1],undef,$item);
- } else {
- $first_access=&get_first_access($interval[1]);
- }
- if ($first_access) {
- my $timesup = $first_access+$interval[0];
- if ($timesup > $now) {
- foreach my $res (@to_test) {
- if ($res->is_problem()) {
- if ($res->completable()) {
- unless (grep(/^\Q$block\E$/,@blockers)) {
- push(@blockers,$block);
- }
- last;
- }
+ }
+ if ($interval[0] =~ /^\d+$/) {
+ my $first_access;
+ if ($type eq 'resource') {
+ $first_access=&get_first_access($interval[1],$item);
+ } elsif ($type eq 'map') {
+ $first_access=&get_first_access($interval[1],undef,$item);
+ } else {
+ $first_access=&get_first_access($interval[1]);
+ }
+ if ($first_access) {
+ my $timesup = $first_access+$interval[0];
+ if ($timesup > $now) {
+ my $activeblock;
+ foreach my $res (@to_test) {
+ if ($res->answerable()) {
+ $activeblock = 1;
+ last;
+ }
+ }
+ if ($activeblock) {
+ if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
+ if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
+ $blockers{$block}{'maps'} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
+ }
+ }
+ if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
+ if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
+ $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
}
}
}
@@ -7322,33 +7514,66 @@ sub has_comm_blocking {
}
}
}
- return @blockers;
+ return %blockers;
}
-sub check_docs_block {
- my ($docsblock,$tocheck) =@_;
- if ((ref($docsblock) ne 'HASH') || (ref($tocheck) ne 'HASH')) {
- return;
+sub has_comm_blocking {
+ my ($priv,$symb,$uri,$blocks) = @_;
+ my @blockers;
+ return unless ($env{'request.course.id'});
+ return unless ($priv eq 'bre');
+ return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
+ return if ($env{'request.state'} eq 'construct');
+ &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks);
+ return unless (keys(%cachedblockers) > 0);
+ my (%possibles,@symbs);
+ if (!$symb) {
+ $symb = &symbread($uri,1,1,1,\%possibles);
}
- if (ref($docsblock->{'maps'}) eq 'HASH') {
- if ($tocheck->{'maps'}) {
- if ($docsblock->{'maps'}{$tocheck->{'maps'}}) {
- return 1;
+ if ($symb) {
+ @symbs = ($symb);
+ } elsif (keys(%possibles)) {
+ @symbs = keys(%possibles);
+ }
+ my $noblock;
+ foreach my $symb (@symbs) {
+ last if ($noblock);
+ my ($map,$resid,$resurl)=&decode_symb($symb);
+ foreach my $block (keys(%cachedblockers)) {
+ if ($block =~ /^firstaccess____(.+)$/) {
+ my $item = $1;
+ if (($item eq $map) || ($item eq $symb)) {
+ $noblock = 1;
+ last;
+ }
}
- }
- }
- if (ref($docsblock->{'resources'}) eq 'HASH') {
- if ($tocheck->{'resources'}) {
- if ($docsblock->{'resources'}{$tocheck->{'resources'}}) {
- return 1;
+ if (ref($cachedblockers{$block}) eq 'HASH') {
+ if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') {
+ if ($cachedblockers{$block}{'resources'}{$symb}) {
+ unless (grep(/^\Q$block\E$/,@blockers)) {
+ push(@blockers,$block);
+ }
+ }
+ }
+ }
+ if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
+ if ($cachedblockers{$block}{'maps'}{$map}) {
+ unless (grep(/^\Q$block\E$/,@blockers)) {
+ push(@blockers,$block);
+ }
+ }
}
}
}
- return;
+ return if ($noblock);
+ return @blockers;
}
+}
+
+# -------------------------------- Deversion and split uri into path an filename
#
-# Removes the versino from a URI and
+# Removes the version from a URI and
# splits it in to its filename and path to the filename.
# Seems like File::Basename could have done this more clearly.
# Parameters:
@@ -7530,10 +7755,12 @@ sub update_allusers_table {
sub fetch_enrollment_query {
my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;
- my $homeserver;
+ my ($homeserver,$sleep,$loopmax);
my $maxtries = 1;
if ($context eq 'automated') {
$homeserver = $perlvar{'lonHostID'};
+ $sleep = 2;
+ $loopmax = 100;
$maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout
} else {
$homeserver = &homeserver($cnum,$dom);
@@ -7551,10 +7778,10 @@ sub fetch_enrollment_query {
&logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum);
return 'error: '.$queryid;
}
- my $reply = &get_query_reply($queryid);
+ my $reply = &get_query_reply($queryid,$sleep.$loopmax);
my $tries = 1;
while (($reply=~/^timeout/) && ($tries < $maxtries)) {
- $reply = &get_query_reply($queryid);
+ $reply = &get_query_reply($queryid,$sleep,$loopmax);
$tries ++;
}
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
@@ -7596,11 +7823,17 @@ sub fetch_enrollment_query {
}
sub get_query_reply {
- my $queryid=shift;
+ my ($queryid,$sleep,$loopmax) = @_;
+ if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) {
+ $sleep = 0.2;
+ }
+ if (($loopmax eq '') || ($loopmax =~ /\D/)) {
+ $loopmax = 100;
+ }
my $replyfile=LONCAPA::tempdir().$queryid;
my $reply='';
- for (1..100) {
- sleep 2;
+ for (1..$loopmax) {
+ sleep($sleep);
if (-e $replyfile.'.end') {
if (open(my $fh,$replyfile)) {
$reply = join('',<$fh>);
@@ -8022,6 +8255,107 @@ sub auto_crsreq_update {
return \%crsreqresponse;
}
+sub auto_export_grades {
+ my ($cdom,$cnum,$inforef,$gradesref) = @_;
+ my ($homeserver,%exportresponse);
+ if ($cdom =~ /^$match_domain$/) {
+ $homeserver = &domain($cdom,'primary');
+ }
+ unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
+ my $info;
+ if (ref($inforef) eq 'HASH') {
+ $info = &freeze_escape($inforef);
+ }
+ if (ref($gradesref) eq 'HASH') {
+ my $grades = &freeze_escape($gradesref);
+ my $response=&reply('encrypt:autoexportgrades:'.$cdom.':'.$cnum.':'.
+ $info.':'.$grades,$homeserver);
+ unless ($response =~ /(con_lost|error|no_such_host|refused|unknown_command)/) {
+ my @items = split(/&/,$response);
+ foreach my $item (@items) {
+ my ($key,$value) = split('=',$item);
+ $exportresponse{&unescape($key)} = &thaw_unescape($value);
+ }
+ }
+ }
+ }
+ return \%exportresponse;
+}
+
+sub check_instcode_cloning {
+ my ($codedefaults,$code_order,$cloner,$clonefromcode,$clonetocode) = @_;
+ unless ((ref($codedefaults) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
+ return;
+ }
+ my $canclone;
+ if (@{$code_order} > 0) {
+ my $instcoderegexp ='^';
+ my @clonecodes = split(/\&/,$cloner);
+ foreach my $item (@{$code_order}) {
+ if (grep(/^\Q$item\E=/,@clonecodes)) {
+ foreach my $pair (@clonecodes) {
+ my ($key,$val) = split(/\=/,$pair,2);
+ $val = &unescape($val);
+ if ($key eq $item) {
+ $instcoderegexp .= '('.$val.')';
+ last;
+ }
+ }
+ } else {
+ $instcoderegexp .= $codedefaults->{$item};
+ }
+ }
+ $instcoderegexp .= '$';
+ my (@from,@to);
+ eval {
+ (@from) = ($clonefromcode =~ /$instcoderegexp/);
+ (@to) = ($clonetocode =~ /$instcoderegexp/);
+ };
+ if ((@from > 0) && (@to > 0)) {
+ my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
+ if (!@diffs) {
+ $canclone = 1;
+ }
+ }
+ }
+ return $canclone;
+}
+
+sub default_instcode_cloning {
+ my ($clonedom,$domdefclone,$clonefromcode,$clonetocode,$codedefaultsref,$codeorderref) = @_;
+ my (%codedefaults,@code_order,$canclone);
+ if ((ref($codedefaultsref) eq 'HASH') && (ref($codeorderref) eq 'ARRAY')) {
+ %codedefaults = %{$codedefaultsref};
+ @code_order = @{$codeorderref};
+ } elsif ($clonedom) {
+ &auto_instcode_defaults($clonedom,\%codedefaults,\@code_order);
+ }
+ if (($domdefclone) && (@code_order)) {
+ my @clonecodes = split(/\+/,$domdefclone);
+ my $instcoderegexp ='^';
+ foreach my $item (@code_order) {
+ if (grep(/^\Q$item\E$/,@clonecodes)) {
+ $instcoderegexp .= '('.$codedefaults{$item}.')';
+ } else {
+ $instcoderegexp .= $codedefaults{$item};
+ }
+ }
+ $instcoderegexp .= '$';
+ my (@from,@to);
+ eval {
+ (@from) = ($clonefromcode =~ /$instcoderegexp/);
+ (@to) = ($clonetocode =~ /$instcoderegexp/);
+ };
+ if ((@from > 0) && (@to > 0)) {
+ my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
+ if (!@diffs) {
+ $canclone = 1;
+ }
+ }
+ }
+ return $canclone;
+}
+
# ------------------------------------------------------- Course Group routines
sub get_coursegroups {
@@ -8691,7 +9025,7 @@ sub modifyuser {
sub modifystudent {
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
$end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid,
- $selfenroll,$context,$inststatus,$credits)=@_;
+ $selfenroll,$context,$inststatus,$credits,$instsec)=@_;
if (!$cid) {
unless ($cid=$env{'request.course.id'}) {
return 'not_in_class';
@@ -8707,13 +9041,13 @@ sub modifystudent {
$uid = undef if (!$forceid);
$reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,
$gene,$usec,$end,$start,$type,$locktype,
- $cid,$selfenroll,$context,$credits);
+ $cid,$selfenroll,$context,$credits,$instsec);
return $reply;
}
sub modify_student_enrollment {
my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,
- $locktype,$cid,$selfenroll,$context,$credits) = @_;
+ $locktype,$cid,$selfenroll,$context,$credits,$instsec) = @_;
my ($cdom,$cnum,$chome);
if (!$cid) {
unless ($cid=$env{'request.course.id'}) {
@@ -8760,7 +9094,7 @@ 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,$locktype,$credits,$instsec) },
$cdom,$cnum);
if (($reply eq 'ok') || ($reply eq 'delayed')) {
&devalidate_getsection_cache($udom,$uname,$cid);
@@ -9284,9 +9618,9 @@ sub modify_access_controls {
my $tries = 0;
my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
- while (($gotlock ne 'ok') && $tries <3) {
+ while (($gotlock ne 'ok') && $tries < 10) {
$tries ++;
- sleep 1;
+ sleep(0.1);
$gotlock = &newput('file_permissions',$lockhash,$domain,$user);
}
if ($gotlock eq 'ok') {
@@ -9579,7 +9913,23 @@ sub dirlist {
foreach my $user (sort(keys(%allusers))) {
push(@alluserslist,$user.'&user');
}
- return (\@alluserslist);
+ if (!%listerror) {
+ # no errors
+ return (\@alluserslist);
+ } elsif (scalar(keys(%servers)) == 1) {
+ # one library server, one error
+ my ($key) = keys(%listerror);
+ return (\@alluserslist, $listerror{$key});
+ } elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {
+ # con_lost indicates that we might miss data from at least one
+ # library server
+ return (\@alluserslist, 'con_lost');
+ } else {
+ # multiple library servers and no con_lost -> data should be
+ # complete.
+ return (\@alluserslist);
+ }
+
} else {
return ([],'missing username');
}
@@ -9796,10 +10146,12 @@ sub get_userresdata {
}
#error 2 occurs when the .db doesn't exist
if ($tmp!~/error: 2 /) {
- &logthis("WARNING:".
- " Trying to get resource data for ".
- $uname." at ".$udom.": ".
- $tmp."");
+ if ((!defined($cached)) || ($tmp ne 'con_lost')) {
+ &logthis("WARNING:".
+ " Trying to get resource data for ".
+ $uname." at ".$udom.": ".
+ $tmp."");
+ }
} elsif ($tmp=~/error: 2 /) {
#&EXT_cache_set($udom,$uname);
&do_cache_new('userres',$hashid,undef,600);
@@ -10558,7 +10910,7 @@ sub metadata {
$metaentry{':keys'} = join(',',keys(%metathesekeys));
&metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
- $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys);
+ $metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
&do_cache_new('meta',$uri,\%metaentry,$cachetime);
# this is the end of "was not already recently cached
}
@@ -10929,15 +11281,17 @@ sub deversion {
# ------------------------------------------------------ Return symb list entry
sub symbread {
- my ($thisfn,$donotrecurse)=@_;
- my $cache_str;
- if ($thisfn ne '') {
- $cache_str='request.symbread.cached.'.$thisfn;
- if ($env{$cache_str} ne '') {
+ my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_;
+ my $cache_str='request.symbread.cached.'.$thisfn;
+ if (defined($env{$cache_str})) {
+ if ($ignorecachednull) {
+ return $env{$cache_str} unless ($env{$cache_str} eq '');
+ } else {
return $env{$cache_str};
}
- } else {
+ }
# no filename provided? try from environment
+ unless ($thisfn) {
if ($env{'request.symb'}) {
return $env{$cache_str}=&symbclean($env{'request.symb'});
}
@@ -10997,18 +11351,46 @@ sub symbread {
my ($mapid,$resid)=split(/\./,$ids);
$syval=&encode_symb($bighash{'map_id_'.$mapid},
$resid,$thisfn);
- } elsif (!$donotrecurse) {
+ if (ref($possibles) eq 'HASH') {
+ $possibles->{$syval} = 1;
+ }
+ if ($checkforblock) {
+ my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids});
+ if (@blockers) {
+ $syval = '';
+ return;
+ }
+ }
+ } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
# ------------------------------------------ There is more than one possibility
my $realpossible=0;
foreach my $id (@possibilities) {
my $file=$bighash{'src_'.$id};
- if (&allowed('bre',$file)) {
- my ($mapid,$resid)=split(/\./,$id);
- if ($bighash{'map_type_'.$mapid} ne 'page') {
- $realpossible++;
- $syval=&encode_symb($bighash{'map_id_'.$mapid},
- $resid,$thisfn);
- }
+ my $canaccess;
+ if (($donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
+ $canaccess = 1;
+ } else {
+ $canaccess = &allowed('bre',$file);
+ }
+ if ($canaccess) {
+ my ($mapid,$resid)=split(/\./,$id);
+ if ($bighash{'map_type_'.$mapid} ne 'page') {
+ my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
+ $resid,$thisfn);
+ if (ref($possibles) eq 'HASH') {
+ $possibles->{$syval} = 1;
+ }
+ if ($checkforblock) {
+ my @blockers = &has_comm_blocking('bre',$poss_syval,$file);
+ unless (@blockers > 0) {
+ $syval = $poss_syval;
+ $realpossible++;
+ }
+ } else {
+ $syval = $poss_syval;
+ $realpossible++;
+ }
+ }
}
}
if ($realpossible!=1) { $syval=''; }
@@ -11016,7 +11398,7 @@ sub symbread {
$syval='';
}
}
- untie(%bighash)
+ untie(%bighash);
}
}
if ($syval) {
@@ -11905,8 +12287,22 @@ sub get_dns {
# ------------------------------------------------------Get DNS checksums file
sub parse_dns_checksums_tab {
my ($lines,$hashref) = @_;
- my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
+ my $lonhost = $perlvar{'lonHostID'};
+ my $machine_dom = &Apache::lonnet::host_domain($lonhost);
my $loncaparev = &get_server_loncaparev($machine_dom);
+ my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
+ my $webconfdir = '/etc/httpd/conf';
+ if ($distro =~ /^(ubuntu|debian)(\d+)$/) {
+ $webconfdir = '/etc/apache2';
+ } elsif ($distro =~ /^sles(\d+)$/) {
+ if ($1 >= 10) {
+ $webconfdir = '/etc/apache2';
+ }
+ } elsif ($distro =~ /^suse(\d+\.\d+)$/) {
+ if ($1 >= 10.0) {
+ $webconfdir = '/etc/apache2';
+ }
+ }
my ($release,$timestamp) = split(/\-/,$loncaparev);
my (%chksum,%revnum);
if (ref($lines) eq 'ARRAY') {
@@ -11915,6 +12311,11 @@ sub parse_dns_checksums_tab {
if ($version eq $release) {
foreach my $line (@{$lines}) {
my ($file,$version,$shasum) = split(/,/,$line);
+ if ($file =~ m{^/etc/httpd/conf}) {
+ if ($webconfdir eq '/etc/apache2') {
+ $file =~ s{^\Q/etc/httpd/conf/\E}{$webconfdir/};
+ }
+ }
$chksum{$file} = $shasum;
$revnum{$file} = $version;
}
@@ -11967,8 +12368,8 @@ sub fetch_dns_checksums {
}
sub load_domain_tab {
- my ($ignore_cache) = @_;
- &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache);
+ my ($ignore_cache,$nocache) = @_;
+ &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache);
my $fh;
if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) {
my @lines = <$fh>;
@@ -12054,8 +12455,8 @@ sub fetch_dns_checksums {
}
sub load_hosts_tab {
- my ($ignore_cache) = @_;
- &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache);
+ my ($ignore_cache,$nocache) = @_;
+ &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache);
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
my @config = <$config>;
&parse_hosts_tab(\@config);
@@ -12077,7 +12478,8 @@ sub fetch_dns_checksums {
}
sub all_names {
- &load_hosts_tab() if (!$loaded);
+ my ($ignore_cache,$nocache) = @_;
+ &load_hosts_tab($ignore_cache,$nocache) if (!$loaded);
return %name_to_host;
}
@@ -12199,7 +12601,7 @@ sub fetch_dns_checksums {
}
sub get_iphost {
- my ($ignore_cache) = @_;
+ my ($ignore_cache,$nocache) = @_;
if (!$ignore_cache) {
if (%iphost) {
@@ -12223,7 +12625,7 @@ sub fetch_dns_checksums {
%old_name_to_ip = %{$ip_info->[1]};
}
- my %name_to_host = &all_names();
+ my %name_to_host = &all_names($ignore_cache,$nocache);
foreach my $name (keys(%name_to_host)) {
my $ip;
if (!exists($name_to_ip{$name})) {
@@ -12248,9 +12650,11 @@ sub fetch_dns_checksums {
}
push(@{$iphost{$ip}},@{$name_to_host{$name}});
}
- &do_cache_new('iphost','iphost',
- [\%iphost,\%name_to_ip,\%lonid_to_ip],
- 48*60*60);
+ unless ($nocache) {
+ &do_cache_new('iphost','iphost',
+ [\%iphost,\%name_to_ip,\%lonid_to_ip],
+ 48*60*60);
+ }
return %iphost;
}
@@ -12631,7 +13035,7 @@ 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);
+ &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$laststore);
For more detailed information, see lonnet specific documentation.
@@ -12767,13 +13171,29 @@ escaped strings of the action recorded i
=item *
-allowed($priv,$uri,$symb,$role) : check for a user privilege; returns codes for allowed actions
+allowed($priv,$uri,$symb,$role,$clientip,$noblockcheck) : check for a user privilege;
+returns codes for allowed actions.
+
+The first argument is required, all others are optional.
+
+$priv is the privilege being checked.
+$uri contains additional information about what is being checked for access (e.g.,
+URL, course ID etc.).
+$symb is the unique resource instance identifier in a course; if needed,
+but not provided, it will be retrieved via a call to &symbread().
+$role is the role for which a priv is being checked (only used if priv is evb).
+$clientip is the user's IP address (only used when checking for access to portfolio
+files).
+$noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This
+prevents recursive calls to &allowed.
+
F: full access
U,I,K: authentication modes (cxx only)
'': forbidden
1: user needs to choose course
2: browse allowed
A: passphrase authentication needed
+ B: access temporarily blocked because of a blocking event in a course.
=item *
@@ -12998,6 +13418,8 @@ Inputs:
=item $credits, number of credits student will earn from this class
+=item $instsec, institutional course section code for student
+
=back
@@ -13167,7 +13589,20 @@ will be stored for query
=item *
-symbread($filename) : return symbolic list entry (filename argument optional);
+symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :
+return symbolic list entry (all arguments optional).
+
+Args: filename is the filename (including path) for the file for which a symb
+is required; donotrecurse, if true will prevent calls to allowed() being made
+to check access status if more than one resource was found in the bighash
+(see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of
+a randompick); ignorecachednull, if true will prevent a symb of '' being
+returned if $env{$cache_str} is defined as ''; checkforblock if true will
+cause possible symbs to be checked to determine if they are subject to content
+blocking, if so they will not be included as possible symbs; possibles is a
+ref to a hash, which, as a side effect, will be populated with all possible
+symbs (content blocking not tested).
+
returns the data handle
=item *
@@ -13268,15 +13703,21 @@ homeserver.
=item *
-store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently
-for this url; hashref needs to be given and should be a \%hashname; the
-remaining args aren't required and if they aren't passed or are '' they will
-be derived from the env
+store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash
+permanently for this url; hashref needs to be given and should be a \%hashname;
+the remaining args aren't required and if they aren't passed or are '' they will
+be derived from the env (with the exception of $laststore, which is an
+optional arg used when a user's submission is stored in grading).
+$laststore is $version=$timestamp, where $version is the most recent version
+number retrieved for the corresponding $symb in the $namespace db file, and
+$timestamp is the timestamp for that transaction (UNIX time).
+$laststore is currently only passed when cstore() is called by
+structuretags::finalize_storage().
=item *
-cstore($storehash,$symb,$namespace,$udom,$uname) : same as store but
-uses critical subroutine
+cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store
+but uses critical subroutine
=item *
@@ -13299,10 +13740,11 @@ $range should be either an integer '100'
=item *
-putstore($namespace,$symb,$version,$storehash,$udomain,$uname) :
+putstore($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog) :
replaces a &store() version of data with a replacement set of data
for a particular resource in a namespace passed in the $storehash hash
-reference
+reference. If $tolog is true, the transaction is logged in the courselog
+with an action=PUTSTORE.
=item *
@@ -13467,7 +13909,8 @@ for course's uploaded content.
=over
=item
-canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota, communityquota, textbookquota
+canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,
+communityquota, textbookquota
=back