--- loncom/Lond.pm 2012/04/26 20:00:57 1.3 +++ 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 1.3 2012/04/26 20:00:57 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 # @@ -27,6 +27,7 @@ ### #NOTE perldoc at the end of file +#TODO move remaining lond functions into this package LONCAPA::Lond; @@ -36,14 +37,14 @@ use lib '/home/httpd/lib/perl/'; use LONCAPA; use Apache::lonnet; use GDBM_File; - +use Net::OAuth; sub dump_with_regexp { - my ( $tail, $clientname, $clientversion ) = @_; + my ( $tail, $clientversion ) = @_; my ( $udom, $uname, $namespace, $regexp, $range ) = split /:/, $tail; - $regexp = defined $regexp ? unescape($regexp) : '.'; + $regexp = $regexp ? unescape($regexp) : '.'; my ($start,$end); @@ -79,6 +80,7 @@ sub dump_with_regexp { if ($clientversion =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?/) { $major = $1; $minor = $2; + } if (($major > 2) || (($major == 2) && ($minor > 9))) { $skipcheck = 1; @@ -237,10 +239,10 @@ sub check_homecourses { } } unless (&untie_domain_hash($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 $hashid (keys(%recent)) { @@ -312,9 +314,9 @@ sub get_courseinfo_hash { }; if ($@) { 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') { @@ -325,8 +327,661 @@ sub get_courseinfo_hash { return; } +sub dump_course_id_handler { + my ($tail) = @_; + + my ($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,$hasuniquecode,$reqcrsdom,$reqinstcode) = split(/:/,$tail); + my $now = time; + my ($cloneruname,$clonerudom,%cc_clone); + if (defined($description)) { + $description=&unescape($description); + } else { + $description='.'; + } + if (defined($instcodefilter)) { + $instcodefilter=&unescape($instcodefilter); + } else { + $instcodefilter='.'; + } + my ($ownerunamefilter,$ownerdomfilter); + if (defined($ownerfilter)) { + $ownerfilter=&unescape($ownerfilter); + if ($ownerfilter ne '.' && defined($ownerfilter)) { + if ($ownerfilter =~ /^([^:]*):([^:]*)$/) { + $ownerunamefilter = $1; + $ownerdomfilter = $2; + } else { + $ownerunamefilter = $ownerfilter; + $ownerdomfilter = ''; + } + } + } else { + $ownerfilter='.'; + } + + if (defined($coursefilter)) { + $coursefilter=&unescape($coursefilter); + } else { + $coursefilter='.'; + } + if (defined($typefilter)) { + $typefilter=&unescape($typefilter); + } else { + $typefilter='.'; + } + if (defined($regexp_ok)) { + $regexp_ok=&unescape($regexp_ok); + } + if (defined($catfilter)) { + $catfilter=&unescape($catfilter); + } + if (defined($cloner)) { + $cloner = &unescape($cloner); + ($cloneruname,$clonerudom) = ($cloner =~ /^($LONCAPA::match_username):($LONCAPA::match_domain)$/); + } + if (defined($cc_clone_list)) { + $cc_clone_list = &unescape($cc_clone_list); + my @cc_cloners = split('&',$cc_clone_list); + foreach my $cid (@cc_cloners) { + my ($clonedom,$clonenum) = split(':',$cid); + next if ($clonedom ne $udom); + $cc_clone{$clonedom.'_'.$clonenum} = 1; + } + } + if ($createdbefore ne '') { + $createdbefore = &unescape($createdbefore); + } else { + $createdbefore = 0; + } + if ($createdafter ne '') { + $createdafter = &unescape($createdafter); + } else { + $createdafter = 0; + } + if ($creationcontext ne '') { + $creationcontext = &unescape($creationcontext); + } 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()) + or return "error: ".($!+0)." tie(GDBM) Failed while attempting courseiddump"; + + while (my ($key,$value) = each(%$hashref)) { + my ($unesc_key,$lasttime_key,$lasttime,$is_hash,%val, + %unesc_val,$selfenroll_end,$selfenroll_types,$created, + $context); + $unesc_key = &unescape($key); + if ($unesc_key =~ /^lasttime:/) { + next; + } else { + $lasttime_key = &escape('lasttime:'.$unesc_key); + } + if ($hashref->{$lasttime_key} ne '') { + $lasttime = $hashref->{$lasttime_key}; + next if ($lasttime<$since); + } + 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) { + $canclone = 1; + } elsif (defined($clonerudom)) { + if ($items->{'cloners'}) { + my @cloneable = split(',',$items->{'cloners'}); + if (@cloneable) { + if (grep(/^\*$/,@cloneable)) { + $canclone = 1; + } elsif (grep(/^\*:\Q$clonerudom\E$/,@cloneable)) { + $canclone = 1; + } elsif (grep(/^\Q$cloneruname\E:\Q$clonerudom\E$/,@cloneable)) { + $canclone = 1; + } + } + unless ($canclone) { + if ($cloneruname ne '' && $clonerudom ne '') { + if ($cc_clone{$unesc_key}) { + $canclone = 1; + $items->{'cloners'} .= ','.$cloneruname.':'. + $clonerudom; + $valchange = 1; + } + } + } + unless ($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; + $items->{'cloners'} = $cloneruname.':'.$clonerudom; + $valchange = 1; + } + unless ($canclone) { + if ($items->{'owner'} =~ /:/) { + if ($items->{'owner'} eq $cloner) { + $canclone = 1; + } + } elsif ($cloner eq $items->{'owner'}.':'.$udom) { + $canclone = 1; + } + if ($canclone) { + $items->{'cloners'} = $cloneruname.':'.$clonerudom; + $valchange = 1; + } + } + } + unless (($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'}; + $unesc_val{'inst_code'} = $items->{'inst_code'}; + $unesc_val{'owner'} = $items->{'owner'}; + $unesc_val{'type'} = $items->{'type'}; + $unesc_val{'cloners'} = $items->{'cloners'}; + $unesc_val{'created'} = $items->{'created'}; + $unesc_val{'context'} = $items->{'context'}; + } + $selfenroll_types = $items->{'selfenroll_types'}; + $selfenroll_end = $items->{'selfenroll_end_date'}; + $created = $items->{'created'}; + $context = $items->{'context'}; + if ($selfenrollonly) { + next if (!$selfenroll_types); + if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) { + next; + } + } + if ($creationcontext ne '.') { + next if (($context ne '') && ($context ne $creationcontext)); + } + if ($createdbefore > 0) { + next if (($created eq '') || ($created > $createdbefore)); + } + if ($createdafter > 0) { + next if (($created eq '') || ($created <= $createdafter)); + } + if ($catfilter ne '') { + next if ($items->{'categories'} eq ''); + my @categories = split('&',$items->{'categories'}); + next if (@categories == 0); + my @subcats = split('&',$catfilter); + my $matchcat = 0; + foreach my $cat (@categories) { + if (grep(/^\Q$cat\E$/,@subcats)) { + $matchcat = 1; + last; + } + } + next if (!$matchcat); + } + if ($caller eq 'coursecatalog') { + if ($items->{'hidefromcat'} eq 'yes') { + next if !$showhidden; + } + } + if ($hasuniquecode ne '.') { + next unless ($items->{'uniquecode'}); + } + } else { + next if ($catfilter ne ''); + next if ($selfenrollonly); + next if ($createdbefore || $createdafter); + next if ($creationcontext ne '.'); + if ((defined($clonerudom)) && (defined($cloneruname))) { + if ($cc_clone{$unesc_key}) { + $canclone = 1; + $val{'cloners'} = &escape($cloneruname.':'.$clonerudom); + } + } + $is_hash = 0; + my @courseitems = split(/:/,$value); + $lasttime = pop(@courseitems); + if ($hashref->{$lasttime_key} eq '') { + next if ($lasttime<$since); + } + ($val{'descr'},$val{'inst_code'},$val{'owner'},$val{'type'}) = @courseitems; + } + if ($cloneonly) { + next unless ($canclone); + } + my $match = 1; + if ($description ne '.') { + if (!$is_hash) { + $unesc_val{'descr'} = &unescape($val{'descr'}); + } + if (eval{$unesc_val{'descr'} !~ /\Q$description\E/i}) { + $match = 0; + } + } + if ($instcodefilter ne '.') { + if (!$is_hash) { + $unesc_val{'inst_code'} = &unescape($val{'inst_code'}); + } + if ($regexp_ok == 1) { + if (eval{$unesc_val{'inst_code'} !~ /$instcodefilter/}) { + $match = 0; + } + } elsif ($regexp_ok == -1) { + if (eval{$unesc_val{'inst_code'} =~ /$instcodefilter/}) { + $match = 0; + } + } else { + if (eval{$unesc_val{'inst_code'} !~ /\Q$instcodefilter\E/i}) { + $match = 0; + } + } + } + if ($ownerfilter ne '.') { + if (!$is_hash) { + $unesc_val{'owner'} = &unescape($val{'owner'}); + } + if (($ownerunamefilter ne '') && ($ownerdomfilter ne '')) { + if ($unesc_val{'owner'} =~ /:/) { + if (eval{$unesc_val{'owner'} !~ + /\Q$ownerunamefilter\E:\Q$ownerdomfilter\E$/i}) { + $match = 0; + } + } else { + if (eval{$unesc_val{'owner'} !~ /\Q$ownerunamefilter\E/i}) { + $match = 0; + } + } + } elsif ($ownerunamefilter ne '') { + if ($unesc_val{'owner'} =~ /:/) { + if (eval{$unesc_val{'owner'} !~ /\Q$ownerunamefilter\E:[^:]+$/i}) { + $match = 0; + } + } else { + if (eval{$unesc_val{'owner'} !~ /\Q$ownerunamefilter\E/i}) { + $match = 0; + } + } + } elsif ($ownerdomfilter ne '') { + if ($unesc_val{'owner'} =~ /:/) { + if (eval{$unesc_val{'owner'} !~ /^[^:]+:\Q$ownerdomfilter\E/}) { + $match = 0; + } + } else { + if ($ownerdomfilter ne $udom) { + $match = 0; + } + } + } + } + if ($coursefilter ne '.') { + if (eval{$unesc_key !~ /^$udom(_)\Q$coursefilter\E$/}) { + $match = 0; + } + } + if ($typefilter ne '.') { + if (!$is_hash) { + $unesc_val{'type'} = &unescape($val{'type'}); + } + if ($unesc_val{'type'} eq '') { + if ($typefilter ne 'Course') { + $match = 0; + } + } else { + if (eval{$unesc_val{'type'} !~ /^\Q$typefilter\E$/}) { + $match = 0; + } + } + } + if ($match == 1) { + if ($rtn_as_hash) { + if ($is_hash) { + if ($valchange) { + my $newvalue = &Apache::lonnet::freeze_escape($items); + $qresult.=$key.'='.$newvalue.'&'; + } else { + $qresult.=$key.'='.$value.'&'; + } + } else { + my %rtnhash = ( 'description' => &unescape($val{'descr'}), + 'inst_code' => &unescape($val{'inst_code'}), + 'owner' => &unescape($val{'owner'}), + 'type' => &unescape($val{'type'}), + 'cloners' => &unescape($val{'cloners'}), + ); + my $items = &Apache::lonnet::freeze_escape(\%rtnhash); + $qresult.=$key.'='.$items.'&'; + } + } else { + if ($is_hash) { + $qresult .= $key.'='.&escape($unesc_val{'descr'}).':'. + &escape($unesc_val{'inst_code'}).':'. + &escape($unesc_val{'owner'}).'&'; + } else { + $qresult .= $key.'='.$val{'descr'}.':'.$val{'inst_code'}. + ':'.$val{'owner'}.'&'; + } + } + } + } + &untie_domain_hash($hashref) or + return "error: ".($!+0)." untie(GDBM) Failed while attempting courseiddump"; + + chop($qresult); + return $qresult; +} + +sub dump_profile_database { + my ($tail) = @_; + + my ($udom,$uname,$namespace) = split(/:/,$tail); + my $hashref = &tie_user_hash($udom, $uname, $namespace, &GDBM_READER()) or + return "error: ".($!+0)." tie(GDBM) Failed while attempting currentdump"; + # Structure of %data: + # $data{$symb}->{$parameter}=$value; + # $data{$symb}->{'v.'.$parameter}=$version; + # since $parameter will be unescaped, we do not + # have to worry about silly parameter names... + + my $qresult=''; + my %data = (); # A hash of anonymous hashes.. + while (my ($key,$value) = each(%$hashref)) { + my ($v,$symb,$param) = split(/:/,$key); + next if ($v eq 'version' || $symb eq 'keys'); + next if (exists($data{$symb}) && + exists($data{$symb}->{$param}) && + $data{$symb}->{'v.'.$param} > $v); + $data{$symb}->{$param}=$value; + $data{$symb}->{'v.'.$param}=$v; + } + + &untie_user_hash($hashref) or + return "error: ".($!+0)." untie(GDBM) Failed while attempting currentdump"; + + while (my ($symb,$param_hash) = each(%data)) { + while(my ($param,$value) = each (%$param_hash)){ + next if ($param =~ /^v\./); # Ignore versions... + # + # Just dump the symb=value pairs separated by & + # + $qresult.=$symb.':'.$param.'='.$value.'&'; + } + } + + chop($qresult); + 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; @@ -387,6 +1042,13 @@ Returns: 1 (Continue processing). Side effects: response is written to $client. +=item dump_course_id_handler + +#TODO copy from lond + +=item dump_profile_database + +#TODO copy from lond =item releasereqd_check( $cnum, $cdom, $key, $value, $major, $minor, $homecourses, $ids ) @@ -443,7 +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