--- loncom/lonnet/perl/lonnet.pm 2017/11/30 14:41:38 1.1360
+++ loncom/lonnet/perl/lonnet.pm 2018/12/22 01:56:25 1.1396
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1360 2017/11/30 14:41:38 raeburn Exp $
+# $Id: lonnet.pm,v 1.1396 2018/12/22 01:56:25 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -73,7 +73,7 @@ package Apache::lonnet;
use strict;
use HTTP::Date;
use Image::Magick;
-
+use CGI::Cookie;
use Encode;
@@ -230,12 +230,19 @@ sub get_server_distarch {
}
sub get_servercerts_info {
- my ($lonhost,$context) = @_;
+ my ($lonhost,$hostname,$context) = @_;
+ return if ($lonhost eq '');
+ if ($hostname eq '') {
+ $hostname = &hostname($lonhost);
+ }
+ return if ($hostname eq '');
my ($rep,$uselocal);
- if (grep { $_ eq $lonhost } ¤t_machine_ids()) {
+ if ($context eq 'install') {
+ $uselocal = 1;
+ } elsif (grep { $_ eq $lonhost } ¤t_machine_ids()) {
$uselocal = 1;
}
- if (($context ne 'cgi') && ($uselocal)) {
+ if (($context ne 'cgi') && ($context ne 'install') && ($uselocal)) {
my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
if ($distro eq '') {
$uselocal = 0;
@@ -250,16 +257,11 @@ sub get_servercerts_info {
}
}
if ($uselocal) {
- $rep = LONCAPA::Lond::server_certs(\%perlvar);
+ $rep = LONCAPA::Lond::server_certs(\%perlvar,$lonhost,$hostname);
} else {
$rep=&reply('servercerts',$lonhost);
}
my ($result,%returnhash);
- if (defined($lonhost)) {
- if (!defined(&hostname($lonhost))) {
- return;
- }
- }
if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
($rep eq 'unknown_cmd')) {
$result = $rep;
@@ -456,8 +458,26 @@ sub reply {
unless (defined(&hostname($server))) { return 'no_such_host'; }
my $answer=subreply($cmd,$server);
if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
- &logthis("<font color=\"blue\">WARNING:".
- " $cmd to $server returned $answer</font>");
+ my $logged = $cmd;
+ if ($cmd =~ /^encrypt:([^:]+):/) {
+ my $subcmd = $1;
+ if (($subcmd eq 'auth') || ($subcmd eq 'passwd') ||
+ ($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
+ ($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) {
+ (undef,undef,my @rest) = split(/:/,$cmd);
+ if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) {
+ splice(@rest,2,1,'Hidden');
+ } elsif ($subcmd eq 'passwd') {
+ splice(@rest,2,2,('Hidden','Hidden'));
+ } elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
+ ($subcmd eq 'autoexportgrades')) {
+ splice(@rest,3,1,'Hidden');
+ }
+ $logged = join(':',('encrypt:'.$subcmd,@rest));
+ }
+ }
+ &logthis("<font color=\"blue\">WARNING:".
+ " $logged to $server returned $answer</font>");
}
return $answer;
}
@@ -652,31 +672,39 @@ sub transfer_profile_to_env {
sub check_for_valid_session {
my ($r,$name,$userhashref,$domref) = @_;
my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
- my ($linkname,$pubname);
- if ($name eq '') {
- $name = 'lonID';
+ my ($lonidsdir,$linkname,$pubname,$secure,$lonid);
+ if ($name eq 'lonDAV') {
+ $lonidsdir=$r->dir_config('lonDAVsessDir');
+ } else {
+ $lonidsdir=$r->dir_config('lonIDsDir');
+ if ($name eq '') {
+ $name = 'lonID';
+ }
+ }
+ if ($name eq 'lonID') {
+ $secure = 'lonSID';
$linkname = 'lonLinkID';
$pubname = 'lonPubID';
- }
- my $lonid=$cookies{$name};
- if (!$lonid) {
- if (($name eq 'lonID') && ($ENV{'SERVER_PORT'} != 443) && ($linkname)) {
+ if (exists($cookies{$secure})) {
+ $lonid=$cookies{$secure};
+ } elsif (exists($cookies{$name})) {
+ $lonid=$cookies{$name};
+ } elsif (exists($cookies{$linkname})) {
$lonid=$cookies{$linkname};
+ } elsif (exists($cookies{$pubname})) {
+ $lonid=$cookies{$pubname};
}
- if (!$lonid) {
- if (($name eq 'lonID') && ($pubname)) {
- $lonid=$cookies{$pubname};
- }
- }
+ } else {
+ $lonid=$cookies{$name};
}
return undef if (!$lonid);
my $handle=&LONCAPA::clean_handle($lonid->value);
- my $lonidsdir;
- if ($name eq 'lonDAV') {
- $lonidsdir=$r->dir_config('lonDAVsessDir');
- } else {
- $lonidsdir=$r->dir_config('lonIDsDir');
+ if (-l "$lonidsdir/$handle.id") {
+ my $link = readlink("$lonidsdir/$handle.id");
+ if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
+ $handle = $1;
+ }
}
if (!-e "$lonidsdir/$handle.id") {
if ((ref($domref)) && ($name eq 'lonID') &&
@@ -701,13 +729,20 @@ sub check_for_valid_session {
if (!defined($disk_env{'user.name'})
|| !defined($disk_env{'user.domain'})) {
+ untie(%disk_env);
return undef;
}
if (ref($userhashref) eq 'HASH') {
$userhashref->{'name'} = $disk_env{'user.name'};
$userhashref->{'domain'} = $disk_env{'user.domain'};
+ $userhashref->{'lti'} = $disk_env{'request.lti.login'};
+ if ($userhashref->{'lti'}) {
+ $userhashref->{'ltitarget'} = $disk_env{'request.lti.target'};
+ $userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'};
+ }
}
+ untie(%disk_env);
return $handle;
}
@@ -732,6 +767,37 @@ sub timed_flock {
}
}
+sub get_sessionfile_vars {
+ my ($handle,$lonidsdir,$storearr) = @_;
+ my %returnhash;
+ unless (ref($storearr) eq 'ARRAY') {
+ return %returnhash;
+ }
+ if (-l "$lonidsdir/$handle.id") {
+ my $link = readlink("$lonidsdir/$handle.id");
+ if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
+ $handle = $1;
+ }
+ }
+ if ((-e "$lonidsdir/$handle.id") &&
+ ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
+ my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
+ if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
+ if (open(my $idf,'+<',"$lonidsdir/$handle.id")) {
+ flock($idf,LOCK_SH);
+ if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
+ &GDBM_READER(),0640)) {
+ foreach my $item (@{$storearr}) {
+ $returnhash{$item} = $disk_env{$item};
+ }
+ untie(%disk_env);
+ }
+ }
+ }
+ }
+ return %returnhash;
+}
+
# ---------------------------------------------------------- Append Environment
sub appenv {
@@ -757,16 +823,19 @@ sub appenv {
$env{$key}=$newenv->{$key};
}
}
- my $opened = open(my $env_file,'+<',$env{'user.environment'});
- if ($opened
- && &timed_flock($env_file,LOCK_EX)
- &&
- tie(my %disk_env,'GDBM_File',$env{'user.environment'},
- (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
- while (my ($key,$value) = each(%{$newenv})) {
- $disk_env{$key} = $value;
- }
- untie(%disk_env);
+ my $lonids = $perlvar{'lonIDsDir'};
+ if ($env{'user.environment'} =~ m{^\Q$lonids/\E$match_username\_\d+\_$match_domain\_[\w\-.]+\.id$}) {
+ my $opened = open(my $env_file,'+<',$env{'user.environment'});
+ if ($opened
+ && &timed_flock($env_file,LOCK_EX)
+ &&
+ tie(my %disk_env,'GDBM_File',$env{'user.environment'},
+ (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
+ while (my ($key,$value) = each(%{$newenv})) {
+ $disk_env{$key} = $value;
+ }
+ untie(%disk_env);
+ }
}
}
return 'ok';
@@ -882,6 +951,7 @@ sub userload {
while ($filename=readdir(LONIDS)) {
next if ($filename eq '.' || $filename eq '..');
next if ($filename =~ /publicuser_\d+\.id/);
+ next if ($filename =~ /^[a-f0-9]+_linked\.id$/);
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9];
if ($curtime-$mtime < 1800) { $numusers++; }
}
@@ -1010,6 +1080,75 @@ sub find_existing_session {
return;
}
+# check if user's browser sent load balancer cookie and server still has session
+# and is not overloaded.
+sub check_for_balancer_cookie {
+ my ($r,$update_mtime) = @_;
+ my ($otherserver,$cookie);
+ my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
+ if (exists($cookies{'balanceID'})) {
+ my $balid = $cookies{'balanceID'};
+ $cookie=&LONCAPA::clean_handle($balid->value);
+ my $balancedir=$r->dir_config('lonBalanceDir');
+ if ((-d $balancedir) && (-e "$balancedir/$cookie.id")) {
+ if ($cookie =~ /^($match_domain)_($match_username)_[a-f0-9]+$/) {
+ my ($possudom,$possuname) = ($1,$2);
+ my $has_session = 0;
+ if ((&domain($possudom) ne '') &&
+ (&homeserver($possuname,$possudom) ne 'no_host')) {
+ my $try_server;
+ my $opened = open(my $idf,'+<',"$balancedir/$cookie.id");
+ if ($opened) {
+ flock($idf,LOCK_SH);
+ while (my $line = <$idf>) {
+ chomp($line);
+ if (&hostname($line) ne '') {
+ $try_server = $line;
+ last;
+ }
+ }
+ close($idf);
+ if (($try_server) &&
+ (&has_user_session($try_server,$possudom,$possuname))) {
+ my $lowest_load = 30000;
+ ($otherserver,$lowest_load) =
+ &compare_server_load($try_server,undef,$lowest_load);
+ if ($otherserver ne '' && $lowest_load < 100) {
+ $has_session = 1;
+ } else {
+ undef($otherserver);
+ }
+ }
+ }
+ }
+ if ($has_session) {
+ if ($update_mtime) {
+ my $atime = my $mtime = time;
+ utime($atime,$mtime,"$balancedir/$cookie.id");
+ }
+ } else {
+ unlink("$balancedir/$cookie.id");
+ }
+ }
+ }
+ }
+ return ($otherserver,$cookie);
+}
+
+sub delbalcookie {
+ my ($cookie,$balancer) =@_;
+ if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
+ my ($udom,$uname) = ($1,$2);
+ my $uprimary_id = &domain($udom,'primary');
+ my $uintdom = &internet_dom($uprimary_id);
+ my $intdom = &internet_dom($balancer);
+ my $serverhomedom = &host_domain($balancer);
+ if (($uintdom ne '') && ($uintdom eq $intdom)) {
+ return &reply("delbalcookie:$cookie",$balancer);
+ }
+ }
+}
+
# -------------------------------- ask if server already has a session for user
sub has_user_session {
my ($lonid,$udom,$uname) = @_;
@@ -1045,7 +1184,7 @@ sub choose_server {
if (ref($balancers) eq 'HASH') {
next if (exists($balancers->{$lonhost}));
}
- }
+ }
my $loginvia;
if ($checkloginvia) {
$loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
@@ -1347,7 +1486,7 @@ sub get_lonbalancer_config {
sub check_loadbalancing {
my ($uname,$udom,$caller) = @_;
my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
- $rule_in_effect,$offloadto,$otherserver);
+ $rule_in_effect,$offloadto,$otherserver,$setcookie,$dom_balancers);
my $lonhost = $perlvar{'lonHostID'};
my @hosts = ¤t_machine_ids();
my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
@@ -1374,7 +1513,7 @@ sub check_loadbalancing {
}
}
if (ref($result) eq 'HASH') {
- ($is_balancer,$currtargets,$currrules) =
+ ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
&check_balancer_result($result,@hosts);
if ($is_balancer) {
if (ref($currrules) eq 'HASH') {
@@ -1435,7 +1574,7 @@ sub check_loadbalancing {
}
}
if (ref($result) eq 'HASH') {
- ($is_balancer,$currtargets,$currrules) =
+ ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
&check_balancer_result($result,@hosts);
if ($is_balancer) {
if (ref($currrules) eq 'HASH') {
@@ -1501,20 +1640,22 @@ 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' => $lonhost,
'user.loadbalcheck.time' => time});
}
}
}
}
+ unless ($homeintdom) {
+ undef($setcookie);
+ }
}
- return ($is_balancer,$otherserver);
+ return ($is_balancer,$otherserver,$setcookie,$offloadto,$dom_balancers);
}
sub check_balancer_result {
my ($result,@hosts) = @_;
- my ($is_balancer,$currtargets,$currrules);
+ my ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
if (ref($result) eq 'HASH') {
if ($result->{'lonhost'} ne '') {
my $currbalancer = $result->{'lonhost'};
@@ -1523,19 +1664,24 @@ sub check_balancer_result {
$currtargets = $result->{'targets'};
$currrules = $result->{'rules'};
}
+ $dom_balancers = $currbalancer;
} else {
- foreach my $key (keys(%{$result})) {
- if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
- (ref($result->{$key}) eq 'HASH')) {
- $is_balancer = 1;
- $currrules = $result->{$key}{'rules'};
- $currtargets = $result->{$key}{'targets'};
- last;
+ if (keys(%{$result})) {
+ foreach my $key (keys(%{$result})) {
+ if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
+ (ref($result->{$key}) eq 'HASH')) {
+ $is_balancer = 1;
+ $currrules = $result->{$key}{'rules'};
+ $currtargets = $result->{$key}{'targets'};
+ $setcookie = $result->{$key}{'cookie'};
+ last;
+ }
}
+ $dom_balancers = join(',',sort(keys(%{$result})));
}
}
}
- return ($is_balancer,$currtargets,$currrules);
+ return ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
}
sub get_loadbalancer_targets {
@@ -1613,7 +1759,7 @@ sub trusted_domains {
if (&domain($calldom) eq '') {
return ($trusted,$untrusted);
}
- unless ($cmdtype =~ /^(content|shared|enroll|coaurem|domroles|catalog|reqcrs|msg)$/) {
+ unless ($cmdtype =~ /^(content|shared|enroll|coaurem|othcoau|domroles|catalog|reqcrs|msg)$/) {
return ($trusted,$untrusted);
}
my $callprimary = &domain($calldom,'primary');
@@ -1635,6 +1781,7 @@ sub trusted_domains {
map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}};
}
if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') {
+ $possinc{$intcalldom} = 1;
map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}};
}
}
@@ -1669,12 +1816,12 @@ sub trusted_domains {
}
foreach my $exc (@allexc) {
if (ref($doms_by_intdom{$exc}) eq 'ARRAY') {
- $untrusted = $doms_by_intdom{$exc};
+ push(@{$untrusted},@{$doms_by_intdom{$exc}});
}
}
foreach my $inc (@allinc) {
if (ref($doms_by_intdom{$inc}) eq 'ARRAY') {
- $trusted = $doms_by_intdom{$inc};
+ push(@{$trusted},@{$doms_by_intdom{$inc}});
}
}
}
@@ -3181,7 +3328,17 @@ sub ssi {
$request->header(Cookie => $ENV{'HTTP_COOKIE'});
my $lonhost = $perlvar{'lonHostID'};
- my $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar);
+ my $islocal;
+ if (($env{'request.course.id'}) &&
+ ($form{'grade_courseid'} eq $env{'request.course.id'}) &&
+ ($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&
+ ($form{'grade_symb'} ne '') &&
+ (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
+ ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
+ $islocal = 1;
+ }
+ my $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,
+ '','','',$islocal);
if (wantarray) {
return ($response->content, $response);
@@ -5215,7 +5372,12 @@ sub set_first_access {
}
$cachedkey='';
my $firstaccess=&get_first_access($type,$symb,$map);
- if (!$firstaccess) {
+ if ($firstaccess) {
+ &logthis("First access time already set ($firstaccess) when attempting ".
+ "to set new value (type: $type, extent: $res) for $uname:$udom ".
+ "in $courseid");
+ return 'already_set';
+ } else {
my $start = time;
my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start},
$udom,$uname);
@@ -5228,6 +5390,12 @@ sub set_first_access {
'course.'.$courseid.'.timerinterval.'.$res => $interval,
}
);
+ if (($cachedtime) && (abs($start-$cachedtime) < 5)) {
+ $cachedtimes{"$courseid\0$res"} = $start;
+ }
+ } elsif ($putres ne 'refused') {
+ &logthis("Result: $putres when attempting to set first access time ".
+ "(type: $type, extent: $res) for $uname:$udom in $courseid");
}
return $putres;
}
@@ -7142,6 +7310,7 @@ sub usertools_access {
community => 1,
textbook => 1,
placement => 1,
+ lti => 1,
);
} elsif ($context eq 'requestauthor') {
%tools = (
@@ -7338,25 +7507,29 @@ sub is_advanced_user {
}
sub check_can_request {
- my ($dom,$can_request,$request_domains) = @_;
+ my ($dom,$can_request,$request_domains,$uname,$udom) = @_;
my $canreq = 0;
+ if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
+ $uname = $env{'user.name'};
+ $udom = $env{'user.domain'};
+ }
my ($types,$typename) = &Apache::loncommon::course_types();
my @options = ('approval','validate','autolimit');
my $optregex = join('|',@options);
if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {
foreach my $type (@{$types}) {
- if (&usertools_access($env{'user.name'},
- $env{'user.domain'},
- $type,undef,'requestcourses')) {
+ if (&usertools_access($uname,$udom,$type,undef,
+ 'requestcourses')) {
$canreq ++;
if (ref($request_domains) eq 'HASH') {
- push(@{$request_domains->{$type}},$env{'user.domain'});
+ push(@{$request_domains->{$type}},$udom);
}
- if ($dom eq $env{'user.domain'}) {
+ if ($dom eq $udom) {
$can_request->{$type} = 1;
}
}
- if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
+ if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '') &&
+ ($env{'environment.reqcrsotherdom.'.$type} ne '')) {
my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
if (@curr > 0) {
foreach my $item (@curr) {
@@ -7373,7 +7546,7 @@ sub check_can_request {
}
}
}
- unless($dom eq $env{'user.domain'}) {
+ unless ($dom eq $env{'user.domain'}) {
$canreq ++;
if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
$can_request->{$type} = 1;
@@ -7503,7 +7676,10 @@ sub allowed {
# Free bre to public access
if ($priv eq 'bre') {
- my $copyright=&metadata($uri,'copyright');
+ my $copyright;
+ unless ($uri =~ /ext\.tool/) {
+ $copyright=&metadata($uri,'copyright');
+ }
if (($copyright eq 'public') && (!$env{'request.course.id'})) {
return 'F';
}
@@ -8885,6 +9061,33 @@ sub auto_validate_class_sec {
return $response;
}
+sub auto_validate_instclasses {
+ my ($cdom,$cnum,$owners,$classesref) = @_;
+ my ($homeserver,%validations);
+ $homeserver = &homeserver($cnum,$cdom);
+ unless ($homeserver eq 'no_host') {
+ my $ownerlist;
+ if (ref($owners) eq 'ARRAY') {
+ $ownerlist = join(',',@{$owners});
+ } else {
+ $ownerlist = $owners;
+ }
+ if (ref($classesref) eq 'HASH') {
+ my $classes = &freeze_escape($classesref);
+ my $response=&reply('autovalidateinstclasses:'.&escape($ownerlist).
+ ':'.$cdom.':'.$classes,$homeserver);
+ unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
+ my @items = split(/&/,$response);
+ foreach my $item (@items) {
+ my ($key,$value) = split('=',$item);
+ $validations{&unescape($key)} = &thaw_unescape($value);
+ }
+ }
+ }
+ }
+ return %validations;
+}
+
sub auto_crsreq_update {
my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,
$code,$accessstart,$accessend,$inbound) = @_;
@@ -9244,7 +9447,7 @@ sub assignrole {
}
if ($refused) {
my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
- if (!$selfenroll && $context eq 'course') {
+ if (!$selfenroll && (($context eq 'course') || ($context eq 'ltienroll' && $env{'request.lti.login'}))) {
my %crsenv;
if ($role eq 'cc' || $role eq 'co') {
%crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
@@ -9264,8 +9467,12 @@ sub assignrole {
}
}
}
- } elsif (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
- $refused = '';
+ } elsif (($selfenroll == 1) && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
+ if ($role eq 'st') {
+ $refused = '';
+ } elsif (($context eq 'ltienroll') && ($env{'request.lti.login'})) {
+ $refused = '';
+ }
} elsif ($context eq 'requestcourses') {
my @possroles = ('st','ta','ep','in','cc','co');
if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
@@ -9531,10 +9738,14 @@ sub modifyuser {
my $newuser;
if ($uhome eq 'no_host') {
$newuser = 1;
+ unless (($umode && ($upass ne '')) || ($umode eq 'localauth') ||
+ ($umode eq 'lti')) {
+ return 'error: more information needed to create new user';
+ }
}
# ----------------------------------------------------------------- Create User
if (($uhome eq 'no_host') &&
- (($umode && $upass) || ($umode eq 'localauth'))) {
+ (($umode && $upass) || ($umode eq 'localauth') || ($umode eq 'lti'))) {
my $unhome='';
if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {
$unhome = $desiredhome;
@@ -9979,12 +10190,25 @@ sub is_course {
my ($cdom, $cnum) = scalar(@_) == 1 ?
($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;
- return unless $cdom and $cnum;
-
- my %courses = &courseiddump($cdom, '.', 1, '.', '.', $cnum, undef, undef,
- '.');
-
- return unless(exists($courses{$cdom.'_'.$cnum}));
+ return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/));
+ my $uhome=&homeserver($cnum,$cdom);
+ my $iscourse;
+ if (grep { $_ eq $uhome } current_machine_ids()) {
+ $iscourse = &LONCAPA::Lond::is_course($cdom,$cnum);
+ } else {
+ my $hashid = $cdom.':'.$cnum;
+ ($iscourse,my $cached) = &is_cached_new('iscourse',$hashid);
+ unless (defined($cached)) {
+ my %courses = &courseiddump($cdom, '.', 1, '.', '.',
+ $cnum,undef,undef,'.');
+ $iscourse = 0;
+ if (exists($courses{$cdom.'_'.$cnum})) {
+ $iscourse = 1;
+ }
+ &do_cache_new('iscourse',$hashid,$iscourse,3600);
+ }
+ }
+ return unless ($iscourse);
return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;
}
@@ -11197,10 +11421,11 @@ sub get_numsuppfiles {
unless (defined($cached)) {
my $chome=&homeserver($cnum,$cdom);
unless ($chome eq 'no_host') {
- ($suppcount,my $errors) = (0,0);
+ ($suppcount,my $supptools,my $errors) = (0,0,0);
my $suppmap = 'supplemental.sequence';
- ($suppcount,$errors) =
- &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,$errors);
+ ($suppcount,$supptools,$errors) =
+ &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,
+ $supptools,$errors);
}
&do_cache_new('suppcount',$hashid,$suppcount,600);
}
@@ -11490,9 +11715,13 @@ sub EXT {
} else {
$filename=$env{'request.filename'};
}
- my $metadata=&metadata($filename,$what);
+ my $toolsymb;
+ if (($filename =~ /ext\.tool$/) && ($what ne '0_gradable')) {
+ $toolsymb = $symbparm;
+ }
+ my $metadata=&metadata($filename,$what,$toolsymb);
if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
- $metadata=&metadata($filename,'parameter_'.$what);
+ $metadata=&metadata($filename,'parameter_'.$what,$toolsymb);
if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
# ----------------------------------------------- fifth, look in rest of course
@@ -11518,7 +11747,7 @@ sub EXT {
if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }
}
if ($recurse) { return undef; }
- my $pack_def=&packages_tab_default($filename,$varname);
+ my $pack_def=&packages_tab_default($filename,$varname,$toolsymb);
if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }
# ---------------------------------------------------- Any other user namespace
} elsif ($realm eq 'environment') {
@@ -11612,11 +11841,11 @@ sub sort_course_groups { # Sort groups b
}
sub packages_tab_default {
- my ($uri,$varname)=@_;
+ my ($uri,$varname,$toolsymb)=@_;
my (undef,$part,$name)=split(/\./,$varname);
my (@extension,@specifics,$do_default);
- foreach my $package (split(/,/,&metadata($uri,'packages'))) {
+ foreach my $package (split(/,/,&metadata($uri,'packages',$toolsymb))) {
my ($pack_type,$pack_part)=split(/_/,$package,2);
if ($pack_type eq 'default') {
$do_default=1;
@@ -11683,8 +11912,9 @@ sub add_prefix_and_part {
my %metaentry;
my %importedpartids;
+my %importedrespids;
sub metadata {
- my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
+ my ($uri,$what,$toolsymb,$liburi,$prefix,$depthcount)=@_;
$uri=&declutter($uri);
# if it is a non metadata possible uri return quickly
if (($uri eq '') ||
@@ -11708,11 +11938,72 @@ sub metadata {
my ($result,$cached)=&is_cached_new('meta',$uri);
if (defined($cached)) { return $result->{':'.$what}; }
}
+
+#
+# If the uri is for an external tool the file from
+# which metadata should be retrieved depends on whether
+# the tool had been configured to be gradable (set in the Course
+# Editor or Resource Editor).
+#
+# If a valid symb has been included as the third arg in the call
+# to &metadata() that can be used to retrieve the value of
+# parameter_0_gradable set for the resource, and included in the
+# uploaded map containing the tool. The value is retrieved via
+# &EXT(), if a valid symb is available. Otherwise the value of
+# gradable in the exttool_$marker.db file for the tool instance
+# is retrieved via &get().
+#
+# When lonuserstate::traceroute() calls lonnet::EXT() for
+# hiddenresource and encrypturl (during course initialization)
+# the map-level parameter for resource.0.gradable included in the
+# uploaded map containing the tool will not yet have been stored
+# in the user_course_parms.db file for the user's session, so in
+# this case fall back to retrieving gradable status from the
+# exttool_$marker.db file.
+#
+# In order to avoid an infinite loop, &metadata() will return
+# before a call to &EXT(), if the uri is for an external tool
+# and the $what for which metadata is being requested is
+# parameter_0_gradable or 0_gradable.
+#
+
+ if ($uri =~ /ext\.tool$/) {
+ if (($what eq 'parameter_0_gradable') || ($what eq '0_gradable')) {
+ return;
+ } else {
+ my ($checked,$use_passback);
+ if ($toolsymb ne '') {
+ (undef,undef,my $tooluri) = &decode_symb($toolsymb);
+ if (($tooluri eq $uri) && (&EXT('resource.0.gradable',$toolsymb))) {
+ $checked = 1;
+ if (&EXT('resource.0.gradable',$toolsymb) =~ /^yes$/i) {
+ $use_passback = 1;
+ }
+ }
+ }
+ unless ($checked) {
+ my ($ignore,$cdom,$cnum,$marker) = split(m{/},$uri);
+ $marker=~s/\D//g;
+ if ($marker) {
+ my %toolsettings=&get('exttool_'.$marker,['gradable'],$cdom,$cnum);
+ $use_passback = $toolsettings{'gradable'};
+ }
+ }
+ if ($use_passback) {
+ $filename = '/home/httpd/html/res/lib/templates/LTIpassback.tool';
+ } else {
+ $filename = '/home/httpd/html/res/lib/templates/LTIstandard.tool';
+ }
+ }
+ }
+
{
# Imported parts would go here
- my %importedids=();
- my @origfileimportpartids=();
+ my @origfiletagids=();
my $importedparts=0;
+
+# Imported responseids would go here
+ my $importedresponses=0;
#
# Is this a recursive call for a library?
#
@@ -11807,27 +12098,77 @@ sub metadata {
my $dir=$filename;
$dir=~s|[^/]*$||;
$location=&filelocation($dir,$location);
-
+
+ my $importid=$token->[2]->{'id'};
my $importmode=$token->[2]->{'importmode'};
- if ($importmode eq 'problem') {
-# Import as problem/response
- $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
- } elsif ($importmode eq 'part') {
+#
+# Check metadata for imported file to
+# see if it contained response items
+#
+ my ($origfile,@libfilekeys);
+ my %currmetaentry = %metaentry;
+ @libfilekeys = split(/,/,&metadata($location,'keys',undef,undef,undef,
+ $depthcount+1));
+ if (grep(/^responseorder$/,@libfilekeys)) {
+ my $libresponseorder = &metadata($location,'responseorder',undef,undef,
+ undef,$depthcount+1);
+ if ($libresponseorder ne '') {
+ if ($#origfiletagids<0) {
+ undef(%importedrespids);
+ undef(%importedpartids);
+ }
+ my @respids = split(/\s*,\s*/,$libresponseorder);
+ if (@respids) {
+ $importedrespids{$importid} = join(',',map { $importid.'_'.$_ } @respids);
+ }
+ if ($importedrespids{$importid} ne '') {
+ $importedresponses = 1;
+# We need to get the original file and the imported file to get the response order correct
+# Load and inspect original file
+ if ($#origfiletagids<0) {
+ my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
+ $origfile=&getfile($origfilelocation);
+ @origfiletagids=($origfile=~/<((?:\w+)response|import|part)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+ }
+ }
+ }
+ }
+# Do not overwrite contents of %metaentry hash for resource itself with
+# hash populated for imported library file
+ %metaentry = %currmetaentry;
+ undef(%currmetaentry);
+ if ($importmode eq 'part') {
# Import as part(s)
$importedparts=1;
# We need to get the original file and the imported file to get the part order correct
# Good news: we do not need to worry about nested libraries, since parts cannot be nested
-# Load and inspect original file
- if ($#origfileimportpartids<0) {
- undef(%importedpartids);
- my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
- my $origfile=&getfile($origfilelocation);
- @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+# Load and inspect original file if we didn't do that already
+ if ($#origfiletagids<0) {
+ undef(%importedrespids);
+ undef(%importedpartids);
+ if ($origfile eq '') {
+ my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
+ $origfile=&getfile($origfilelocation);
+ @origfiletagids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+ }
+ }
+ my @impfilepartids;
+# If <partorder> tag is included in metadata for the imported file
+# get the parts in the imported file from that.
+ if (grep(/^partorder$/,@libfilekeys)) {
+ %currmetaentry = %metaentry;
+ my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
+ $depthcount+1);
+ %metaentry = %currmetaentry;
+ undef(%currmetaentry);
+ if ($libpartorder ne '') {
+ @impfilepartids=split(/\s*,\s*/,$libpartorder);
+ }
+ } else {
+# If no <partorder> tag available, load and inspect imported file
+ my $impfile=&getfile($location);
+ @impfilepartids=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
}
-
-# Load and inspect imported file
- my $impfile=&getfile($location);
- my @impfilepartids=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
if ($#impfilepartids>=0) {
# This problem had parts
$importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);
@@ -11838,22 +12179,36 @@ sub metadata {
$importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};
}
} else {
+# Import as problem or as normal import
+ $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
+ unless ($importmode eq 'problem') {
# Normal import
- $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
- if (defined($token->[2]->{'id'})) {
- $unikey.='_'.$token->[2]->{'id'};
- }
+ if (defined($token->[2]->{'id'})) {
+ $unikey.='_'.$token->[2]->{'id'};
+ }
+ }
+# Check metadata for imported file to
+# see if it contained parts
+ if (grep(/^partorder$/,@libfilekeys)) {
+ %currmetaentry = %metaentry;
+ my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
+ $depthcount+1);
+ %metaentry = %currmetaentry;
+ undef(%currmetaentry);
+ if ($libpartorder ne '') {
+ $importedparts = 1;
+ $importedpartids{$token->[2]->{'id'}}=$libpartorder;
+ }
+ }
}
-
if ($depthcount<20) {
my $metadata =
- &metadata($uri,'keys', $location,$unikey,
+ &metadata($uri,'keys',$toolsymb,$location,$unikey,
$depthcount+1);
foreach my $meta (split(',',$metadata)) {
$metaentry{':'.$meta}=$metaentry{':'.$meta};
$metathesekeys{$meta}=1;
}
-
}
} else {
#
@@ -11922,7 +12277,7 @@ sub metadata {
$dir=~s|[^/]*$||;
$location=&filelocation($dir,$location);
my $rights_metadata =
- &metadata($uri,'keys',$location,'_rights',
+ &metadata($uri,'keys',$toolsymb,$location,'_rights',
$depthcount+1);
foreach my $rights (split(',',$rights_metadata)) {
#$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};
@@ -11936,26 +12291,57 @@ sub metadata {
grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'}));
$metaentry{':packages'} = join(',',@uniq_packages);
- if ($importedparts) {
+ if (($importedresponses) || ($importedparts)) {
+ if ($importedparts) {
# We had imported parts and need to rebuild partorder
- $metaentry{':partorder'}='';
- $metathesekeys{'partorder'}=1;
- for (my $index=0;$index<$#origfileimportpartids;$index+=2) {
- if ($origfileimportpartids[$index] eq 'part') {
-# original part, part of the problem
- $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1];
- } else {
-# we have imported parts at this position
- $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]};
- }
- }
- $metaentry{':partorder'}=~s/^\,//;
+ $metaentry{':partorder'}='';
+ $metathesekeys{'partorder'}=1;
+ }
+ if ($importedresponses) {
+# We had imported responses and need to rebuil responseorder
+ $metaentry{':responseorder'}='';
+ $metathesekeys{'responseorder'}=1;
+ }
+ for (my $index=0;$index<$#origfiletagids;$index+=2) {
+ my $origid = $origfiletagids[$index+1];
+ if ($origfiletagids[$index] eq 'part') {
+# Original part, part of the problem
+ if ($importedparts) {
+ $metaentry{':partorder'}.=','.$origid;
+ }
+ } elsif ($origfiletagids[$index] eq 'import') {
+ if ($importedparts) {
+# We have imported parts at this position
+ if ($importedpartids{$origid} ne '') {
+ $metaentry{':partorder'}.=','.$importedpartids{$origid};
+ }
+ }
+ if ($importedresponses) {
+# We have imported responses at this position
+ if ($importedrespids{$origid} ne '') {
+ $metaentry{':responseorder'}.=','.$importedrespids{$origid};
+ }
+ }
+ } else {
+# Original response item, part of the problem
+ if ($importedresponses) {
+ $metaentry{':responseorder'}.=','.$origid;
+ }
+ }
+ }
+ if ($importedparts) {
+ $metaentry{':partorder'}=~s/^\,//;
+ }
+ if ($importedresponses) {
+ $metaentry{':responseorder'}=~s/^\,//;
+ }
}
-
$metaentry{':keys'} = join(',',keys(%metathesekeys));
&metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
$metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
- &do_cache_new('meta',$uri,\%metaentry,$cachetime);
+ unless ($liburi) {
+ &do_cache_new('meta',$uri,\%metaentry,$cachetime);
+ }
# this is the end of "was not already recently cached
}
return $metaentry{':'.$what};
@@ -13295,15 +13681,17 @@ sub get_dns {
}
my %alldns;
- open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab");
- foreach my $dns (<$config>) {
- next if ($dns !~ /^\^(\S*)/x);
- my $line = $1;
- my ($host,$protocol) = split(/:/,$line);
- if ($protocol ne 'https') {
- $protocol = 'http';
+ if (open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab")) {
+ foreach my $dns (<$config>) {
+ next if ($dns !~ /^\^(\S*)/x);
+ my $line = $1;
+ my ($host,$protocol) = split(/:/,$line);
+ if ($protocol ne 'https') {
+ $protocol = 'http';
+ }
+ $alldns{$host} = $protocol;
}
- $alldns{$host} = $protocol;
+ close($config);
}
while (%alldns) {
my ($dns) = sort { $b cmp $a } keys(%alldns);
@@ -13311,19 +13699,33 @@ sub get_dns {
my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar,30,0);
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);
- return;
+ if ($url eq '/adm/dns/loncapaCRL') {
+ return &$func($response);
+ } else {
+ my @content = split("\n",$response->content);
+ unless ($nocache) {
+ &do_cache_new('dns',$url,\@content,30*24*60*60);
+ }
+ &$func(\@content,$hashref);
+ return;
+ }
+ }
+ my $which = (split('/',$url,4))[3];
+ if ($which eq 'loncapaCRL') {
+ my $diskfile = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
+ if (-e $diskfile) {
+ &logthis("unable to contact DNS, on disk file $diskfile not updated");
+ } else {
+ &logthis("unable to contact DNS, no on disk file $diskfile available");
+ }
+ } else {
+ &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
+ if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) {
+ my @content = <$config>;
+ close($config);
+ &$func(\@content,$hashref);
+ }
}
- close($config);
- my $which = (split('/',$url))[3];
- &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,$hashref);
return;
}
@@ -13383,6 +13785,79 @@ sub fetch_dns_checksums {
return \%checksums;
}
+sub fetch_crl_pemfile {
+ return &get_dns("/adm/dns/loncapaCRL",\&save_crl_pem,1,1);
+}
+
+sub save_crl_pem {
+ my ($response) = @_;
+ my ($msg,$hadchanges);
+ if (ref($response)) {
+ my $now = time;
+ my $lonca = $perlvar{'lonCertificateDirectory'}.'/'.$perlvar{'lonnetCertificateAuthority'};
+ my $tmpcrl = $tmpdir.'/'.$perlvar{'lonnetCertRevocationList'}.'_'.$now.'.'.$$.'.tmp';
+ if (open(my $fh,'>',"$tmpcrl")) {
+ print $fh $response->content;
+ close($fh);
+ if (-e $lonca) {
+ if (open(PIPE,"openssl crl -in $tmpcrl -inform pem -CAfile $lonca -noout 2>&1 |")) {
+ my $check = <PIPE>;
+ close(PIPE);
+ chomp($check);
+ if ($check eq 'verify OK') {
+ my $dest = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
+ my $backup;
+ if (-e $dest) {
+ if (&File::Copy::move($dest,"$dest.bak")) {
+ $backup = 'ok';
+ }
+ }
+ if (&File::Copy::move($tmpcrl,$dest)) {
+ $msg = 'ok';
+ if ($backup) {
+ my (%oldnums,%newnums);
+ if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest.bak |grep 'Serial Number' |")) {
+ while (<PIPE>) {
+ $oldnums{(split(/:/))[1]} = 1;
+ }
+ close(PIPE);
+ }
+ if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest |grep 'Serial Number' |")) {
+ while(<PIPE>) {
+ $newnums{(split(/:/))[1]} = 1;
+ }
+ close(PIPE);
+ }
+ foreach my $key (sort {$b <=> $a } (keys(%newnums))) {
+ unless (exists($oldnums{$key})) {
+ $hadchanges = 1;
+ last;
+ }
+ }
+ unless ($hadchanges) {
+ foreach my $key (sort {$b <=> $a } (keys(%oldnums))) {
+ unless (exists($newnums{$key})) {
+ $hadchanges = 1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ } else {
+ unlink($tmpcrl);
+ }
+ } else {
+ unlink($tmpcrl);
+ }
+ } else {
+ unlink($tmpcrl);
+ }
+ }
+ }
+ return ($msg,$hadchanges);
+}
+
# ------------------------------------------------------------ Read domain file
{
my $loaded;
@@ -14669,12 +15144,18 @@ condval($condidx) : value of condition i
=item *
-metadata($uri,$what,$liburi,$prefix,$depthcount) : request a
+metadata($uri,$what,$toolsymb,$liburi,$prefix,$depthcount) : request a
resource's metadata, $what should be either a specific key, or either
'keys' (to get a list of possible keys) or 'packages' to get a list of
-packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata.
+packages that this resource currently uses, the last 3 arguments are
+only used internally for recursive metadata.
+
+the toolsymb is only used where the uri is for an external tool (for which
+the uri as well as the symb are guaranteed to be unique).
-this function automatically caches all requests
+this function automatically caches all requests except any made recursively
+to retrieve a list of metadata keys for an imported library file ($liburi is
+defined).
=item *