--- loncom/Lond.pm 2014/01/01 17:41:37 1.6
+++ loncom/Lond.pm 2022/02/07 18:32:34 1.8.2.3.2.2
@@ -1,6 +1,6 @@
# The LearningOnline Network
#
-# $Id: Lond.pm,v 1.6 2014/01/01 17:41:37 raeburn Exp $
+# $Id: Lond.pm,v 1.8.2.3.2.2 2022/02/07 18:32:34 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -37,7 +37,7 @@ use lib '/home/httpd/lib/perl/';
use LONCAPA;
use Apache::lonnet;
use GDBM_File;
-
+use Net::OAuth;
sub dump_with_regexp {
my ( $tail, $clientversion ) = @_;
@@ -239,10 +239,10 @@ sub check_homecourses {
}
}
unless (&untie_domain_hash($hashref)) {
- &logthis("Failed to untie tied hash for nohist_courseids.db for $domain");
+ &Apache::lonnet::logthis("Failed to untie tied hash for nohist_courseids.db for $domain");
}
} else {
- &logthis("Failed to tie hash for nohist_courseids.db for $domain");
+ &Apache::lonnet::logthis("Failed to tie hash for nohist_courseids.db for $domain");
}
}
foreach my $hashid (keys(%recent)) {
@@ -314,9 +314,9 @@ sub get_courseinfo_hash {
};
if ($@) {
if ($@ eq "timeout\n") {
- &logthis("WARNING courseiddump for $cnum:$cdom from $home timedout");
+ &Apache::lonnet::logthis("WARNING courseiddump for $cnum:$cdom from $home timedout");
} else {
- &logthis("WARNING unexpected error during eval of call for courseiddump from $home");
+ &Apache::lonnet::logthis("WARNING unexpected error during eval of call for courseiddump from $home");
}
} else {
if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') {
@@ -333,7 +333,7 @@ sub dump_course_id_handler {
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden,
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter,
- $creationcontext,$domcloner,$hasuniquecode) = split(/:/,$tail);
+ $creationcontext,$domcloner,$hasuniquecode,$reqcrsdom,$reqinstcode) = split(/:/,$tail);
my $now = time;
my ($cloneruname,$clonerudom,%cc_clone);
if (defined($description)) {
@@ -409,12 +409,16 @@ sub dump_course_id_handler {
unless ($hasuniquecode) {
$hasuniquecode = '.';
}
+ if ($reqinstcode ne '') {
+ $reqinstcode = &unescape($reqinstcode);
+ }
my $unpack = 1;
if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' &&
$typefilter eq '.') {
$unpack = 0;
}
if (!defined($since)) { $since=0; }
+ my (%gotcodedefaults,%otcodedefaults);
my $qresult='';
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT())
@@ -434,12 +438,15 @@ sub dump_course_id_handler {
$lasttime = $hashref->{$lasttime_key};
next if ($lasttime<$since);
}
- my ($canclone,$valchange);
+ my ($canclone,$valchange,$clonefromcode);
my $items = &Apache::lonnet::thaw_unescape($value);
if (ref($items) eq 'HASH') {
if ($hashref->{$lasttime_key} eq '') {
next if ($since > 1);
}
+ if ($items->{'inst_code'}) {
+ $clonefromcode = $items->{'inst_code'};
+ }
$is_hash = 1;
if ($domcloner) {
$canclone = 1;
@@ -465,6 +472,41 @@ sub dump_course_id_handler {
}
}
}
+ unless ($canclone) {
+ if (($reqcrsdom eq $udom) && ($reqinstcode) && ($clonefromcode)) {
+ if (grep(/\=/,@cloneable)) {
+ foreach my $cloner (@cloneable) {
+ if (($cloner ne '*') && ($cloner !~ /^\*\:$LONCAPA::match_domain$/) &&
+ ($cloner !~ /^$LONCAPA::match_username\:$LONCAPA::match_domain$/) && ($cloner ne '')) {
+ if ($cloner =~ /=/) {
+ my (%codedefaults,@code_order);
+ if (ref($gotcodedefaults{$udom}) eq 'HASH') {
+ if (ref($gotcodedefaults{$udom}{'defaults'}) eq 'HASH') {
+ %codedefaults = %{$gotcodedefaults{$udom}{'defaults'}};
+ }
+ if (ref($gotcodedefaults{$udom}{'order'}) eq 'ARRAY') {
+ @code_order = @{$gotcodedefaults{$udom}{'order'}};
+ }
+ } else {
+ &Apache::lonnet::auto_instcode_defaults($udom,
+ \%codedefaults,
+ \@code_order);
+ $gotcodedefaults{$udom}{'defaults'} = \%codedefaults;
+ $gotcodedefaults{$udom}{'order'} = \@code_order;
+ }
+ if (@code_order > 0) {
+ if (&Apache::lonnet::check_instcode_cloning(\%codedefaults,\@code_order,
+ $cloner,$clonefromcode,$reqinstcode)) {
+ $canclone = 1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
} elsif (defined($cloneruname)) {
if ($cc_clone{$unesc_key}) {
$canclone = 1;
@@ -485,6 +527,24 @@ sub dump_course_id_handler {
}
}
}
+ unless (($canclone) || ($items->{'cloners'})) {
+ my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
+ if ($domdefs{'canclone'}) {
+ unless ($domdefs{'canclone'} eq 'none') {
+ if ($domdefs{'canclone'} eq 'domain') {
+ if ($clonerudom eq $udom) {
+ $canclone = 1;
+ }
+ } elsif (($clonefromcode) && ($reqinstcode) &&
+ ($udom eq $reqcrsdom)) {
+ if (&Apache::lonnet::default_instcode_cloning($udom,$domdefs{'canclone'},
+ $clonefromcode,$reqinstcode)) {
+ $canclone = 1;
+ }
+ }
+ }
+ }
+ }
}
if ($unpack || !$rtn_as_hash) {
$unesc_val{'descr'} = $items->{'description'};
@@ -722,6 +782,206 @@ sub dump_profile_database {
return $qresult;
}
+sub is_course {
+ my ($cdom,$cnum) = @_;
+
+ return unless (($cdom =~ /^$LONCAPA::match_domain$/) &&
+ ($cnum =~ /^$LONCAPA::match_courseid$/));
+ my $hashid = $cdom.':'.$cnum;
+ my ($iscourse,$cached) =
+ &Apache::lonnet::is_cached_new('iscourse',$hashid);
+ unless (defined($cached)) {
+ my $hashref =
+ &tie_domain_hash($cdom, "nohist_courseids", &GDBM_WRCREAT());
+ if (ref($hashref) eq 'HASH') {
+ my $esc_key = &escape($cdom.'_'.$cnum);
+ if (exists($hashref->{$esc_key})) {
+ $iscourse = 1;
+ } else {
+ $iscourse = 0;
+ }
+ &Apache::lonnet::do_cache_new('iscourse',$hashid,$iscourse,3600);
+ unless (&untie_domain_hash($hashref)) {
+ &Apache::lonnet::logthis("Failed to untie tied hash for nohist_courseids.db for $cdom");
+ }
+ } else {
+ &Apache::lonnet::logthis("Failed to tie hash for nohist_courseids.db for $cdom");
+ }
+ }
+ return $iscourse;
+}
+
+sub get_dom {
+ my ($userinput) = @_;
+ my ($cmd,$udom,$namespace,$what) =split(/:/,$userinput,4);
+ my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_READER()) or
+ return "error: ".($!+0)." tie(GDBM) Failed while attempting $cmd";
+ my $qresult='';
+ if (ref($hashref)) {
+ chomp($what);
+ my @queries=split(/\&/,$what);
+ for (my $i=0;$i<=$#queries;$i++) {
+ $qresult.="$hashref->{$queries[$i]}&";
+ }
+ $qresult=~s/\&$//;
+ }
+ &untie_user_hash($hashref) or
+ return "error: ".($!+0)." untie(GDBM) Failed while attempting $cmd";
+ return $qresult;
+}
+
+sub crslti_itemid {
+ my ($cdom,$cnum,$url,$method,$params,$loncaparev) = @_;
+ unless (ref($params) eq 'HASH') {
+ return;
+ }
+ if (($cdom eq '') || ($cnum eq '')) {
+ return;
+ }
+ my ($itemid,$consumer_key,$secret);
+
+ if (exists($params->{'oauth_callback'})) {
+ $Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0A;
+ } else {
+ $Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0;
+ }
+
+ my $consumer_key = $params->{'oauth_consumer_key'};
+ return if ($consumer_key eq '');
+
+ my (%crslti,%crslti_by_key);
+ my $hashid=$cdom.'_'.$cnum;
+ my ($result,$cached)=&Apache::lonnet::is_cached_new('courseltienc',$hashid);
+ if (defined($cached)) {
+ if (ref($result) eq 'HASH') {
+ %crslti = %{$result};
+ }
+ } else {
+ my $reply = &dump_with_regexp(join(":",($cdom,$cnum,'nohist_ltienc','','')),$loncaparev);
+ %crslti = %{&Apache::lonnet::unserialize($reply)};
+ my $cachetime = 24*60*60;
+ &Apache::lonnet::do_cache_new('courseltienc',$hashid,\%crslti,$cachetime);
+ }
+
+ return if (!keys(%crslti));
+
+ foreach my $id (keys(%crslti)) {
+ if (ref($crslti{$id}) eq 'HASH') {
+ my $key = $crslti{$id}{'key'};
+ if (($key ne '') && ($crslti{$id}{'secret'} ne '')) {
+ push(@{$crslti_by_key{$key}},$id);
+ }
+ }
+ }
+
+ return if (!keys(%crslti_by_key));
+
+ if (ref($crslti_by_key{$consumer_key}) eq 'ARRAY') {
+ foreach my $id (@{$crslti_by_key{$consumer_key}}) {
+ my $secret = $crslti{$id}{'secret'};
+ my $request = Net::OAuth->request('request token')->from_hash($params,
+ request_url => $url,
+ request_method => $method,
+ consumer_secret => $secret,);
+ if ($request->verify()) {
+ $itemid = $id;
+ last;
+ }
+ }
+ }
+ return $itemid;
+}
+
+sub domlti_itemid {
+ my ($dom,$context,$url,$method,$params,$loncaparev) = @_;
+ unless (ref($params) eq 'HASH') {
+ return;
+ }
+ if ($dom eq '') {
+ return;
+ }
+ my ($itemid,$consumer_key,$secret);
+
+ if (exists($params->{'oauth_callback'})) {
+ $Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0A;
+ } else {
+ $Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0;
+ }
+
+ my $consumer_key = $params->{'oauth_consumer_key'};
+ return if ($consumer_key eq '');
+
+ my %ltienc;
+ my ($encresult,$enccached)=&Apache::lonnet::is_cached_new('ltienc',$dom);
+ if (defined($enccached)) {
+ if (ref($encresult) eq 'HASH') {
+ %ltienc = %{$encresult};
+ }
+ } else {
+ my $reply = &get_dom("getdom:$dom:encconfig:lti");
+ my $ltiencref = &Apache::lonnet::thaw_unescape($reply);
+ if (ref($ltiencref) eq 'HASH') {
+ %ltienc = %{$ltiencref};
+ }
+ my $cachetime = 24*60*60;
+ &Apache::lonnet::do_cache_new('ltienc',$dom,\%ltienc,$cachetime);
+ }
+
+ return if (!keys(%ltienc));
+
+ my %lti;
+ if ($context eq 'deeplink') {
+ my ($result,$cached)=&Apache::lonnet::is_cached_new('lti',$dom);
+ if (defined($cached)) {
+ if (ref($result) eq 'HASH') {
+ %lti = %{$result};
+ }
+ } else {
+ my $reply = &get_dom("getdom:$dom:configuration:lti");
+ my $ltiref = &Apache::lonnet::thaw_unescape($reply);
+ if (ref($ltiref) eq 'HASH') {
+ %lti = %{$ltiref};
+ }
+ my $cachetime = 24*60*60;
+ &Apache::lonnet::do_cache_new('lti',$dom,\%lti,$cachetime);
+ }
+ }
+ return if (!keys(%lti));
+
+ my %lti_by_key;
+ foreach my $id (keys(%ltienc)) {
+ if (ref($ltienc{$id}) eq 'HASH') {
+ my $key = $ltienc{$id}{'key'};
+ if (($key ne '') && ($ltienc{$id}{'secret'} ne '')) {
+ if ($context eq 'deeplink') {
+ if (ref($lti{$id}) eq 'HASH') {
+ if (!$lti{$id}{'requser'}) {
+ push(@{$lti_by_key{$key}},$id);
+ }
+ }
+ } else {
+ push(@{$lti_by_key{$key}},$id);
+ }
+ }
+ }
+ }
+ return if (!keys(%lti_by_key));
+
+ if (ref($lti_by_key{$consumer_key}) eq 'ARRAY') {
+ foreach my $id (@{$lti_by_key{$consumer_key}}) {
+ my $secret = $ltienc{$id}{'secret'};
+ my $request = Net::OAuth->request('request token')->from_hash($params,
+ request_url => $url,
+ request_method => $method,
+ consumer_secret => $secret,);
+ if ($request->verify()) {
+ $itemid = $id;
+ last;
+ }
+ }
+ }
+ return $itemid;
+}
1;
@@ -845,7 +1105,18 @@ courseID -- for the course for which the
The contents of the inner hash, for that single item in the outer hash
are returned (and cached in memcache for 10 minutes).
+=item get_dom ( $userinput )
+get_dom() will retrieve domain configuration information from a GDBM file
+in /home/httpd/lonUsers/$dom on the primary library server in a domain.
+The single argument passed is the string: $cmd:$udom:$namespace:$what
+where $cmd is the command historically passed to lond - i.e., getdom
+or egetdom, $udom is the domain, $namespace is the name of the GDBM file
+(encconfig or configuration), and $what is a string containing names of
+items to retrieve from the db file (each item name is escaped and separated
+from the next item name with an ampersand). The return value is either:
+error: followed by an error message, or a string containing the value (escaped)
+for each item, again separated from the next item with an ampersand.
=back