--- loncom/Lond.pm 2012/07/17 14:49:39 1.4 +++ 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 1.4 2012/07/17 14:49:39 droeschl 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) = split(/:/,$tail); + $creationcontext,$domcloner,$hasuniquecode,$reqcrsdom,$reqinstcode) = split(/:/,$tail); my $now = time; my ($cloneruname,$clonerudom,%cc_clone); if (defined($description)) { @@ -406,12 +406,19 @@ sub dump_course_id_handler { } else { $creationcontext = '.'; } + unless ($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()) @@ -431,12 +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) { $canclone = 1; @@ -462,6 +472,41 @@ sub dump_course_id_handler { } } } + unless ($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}) { $canclone = 1; @@ -482,6 +527,24 @@ sub dump_course_id_handler { } } } + unless (($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'} = $items->{'description'}; @@ -530,6 +593,9 @@ sub dump_course_id_handler { next if !$showhidden; } } + if ($hasuniquecode ne '.') { + next unless ($items->{'uniquecode'}); + } } else { next if ($catfilter ne ''); next if ($selfenrollonly); @@ -716,6 +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; @@ -776,7 +1042,7 @@ Returns: 1 (Continue processing). Side effects: response is written to $client. -=item dump_couse_id_handler +=item dump_course_id_handler #TODO copy from lond @@ -839,7 +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