version 1.17, 2022/01/19 16:02:59
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version 1.20, 2022/02/16 00:06:08
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Line 41 use MIME::Base64;
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Line 41 use MIME::Base64;
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use Crypt::OpenSSL::X509; |
use Crypt::OpenSSL::X509; |
use Crypt::X509::CRL; |
use Crypt::X509::CRL; |
use Crypt::PKCS10; |
use Crypt::PKCS10; |
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use Net::OAuth; |
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use Crypt::CBC; |
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sub dump_with_regexp { |
sub dump_with_regexp { |
my ( $tail, $clientversion ) = @_; |
my ( $tail, $clientversion ) = @_; |
Line 1043 sub get_dom {
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Line 1045 sub get_dom {
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return $qresult; |
return $qresult; |
} |
} |
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sub store_dom { |
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my ($userinput) = @_; |
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my ($cmd,$dom,$namespace,$rid,$what) =split(/:/,$userinput); |
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my $hashref = &tie_domain_hash($dom,$namespace,&GDBM_WRCREAT(),"S","$rid:$what") or |
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return "error: ".($!+0)." tie(GDBM) Failed while attempting $cmd"; |
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$hashref->{"version:$rid"}++; |
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my $version=$hashref->{"version:$rid"}; |
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my $allkeys=''; |
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my @pairs=split(/\&/,$what); |
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foreach my $pair (@pairs) { |
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my ($key,$value)=split(/=/,$pair); |
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$allkeys.=$key.':'; |
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$hashref->{"$version:$rid:$key"}=$value; |
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} |
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my $now = time; |
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$hashref->{"$version:$rid:timestamp"}=$now; |
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$allkeys.='timestamp'; |
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$hashref->{"$version:keys:$rid"}=$allkeys; |
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&untie_user_hash($hashref) or |
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return "error: ".($!+0)." untie(GDBM) Failed while attempting $cmd"; |
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return 'ok'; |
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} |
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sub restore_dom { |
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my ($userinput) = @_; |
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my ($cmd,$dom,$namespace,$rid) = split(/:/,$userinput); |
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my $hashref = &tie_domain_hash($dom,$namespace,&GDBM_READER()) or |
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return "error: ".($!+0)." tie(GDBM) Failed while attempting $cmd"; |
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my $qresult=''; |
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if (ref($hashref)) { |
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chomp($rid); |
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my $version=$hashref->{"version:$rid"}; |
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$qresult.="version=$version&"; |
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my $scope; |
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for ($scope=1;$scope<=$version;$scope++) { |
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my $vkeys=$hashref->{"$scope:keys:$rid"}; |
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my @keys=split(/:/,$vkeys); |
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my $key; |
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$qresult.="$scope:keys=$vkeys&"; |
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foreach $key (@keys) { |
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$qresult.="$scope:$key=".$hashref->{"$scope:$rid:$key"}."&"; |
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} |
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} |
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$qresult=~s/\&$//; |
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} |
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&untie_user_hash($hashref) or |
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return "error: ".($!+0)." untie(GDBM) Failed while attempting $cmd"; |
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return $qresult; |
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} |
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sub crslti_itemid { |
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my ($cdom,$cnum,$url,$method,$params,$loncaparev) = @_; |
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unless (ref($params) eq 'HASH') { |
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return; |
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} |
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if (($cdom eq '') || ($cnum eq '')) { |
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return; |
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} |
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my ($itemid,$consumer_key,$secret); |
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if (exists($params->{'oauth_callback'})) { |
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$Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0A; |
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} else { |
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$Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0; |
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} |
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my $consumer_key = $params->{'oauth_consumer_key'}; |
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return if ($consumer_key eq ''); |
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my (%crslti,%crslti_by_key); |
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my $hashid=$cdom.'_'.$cnum; |
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my ($result,$cached)=&Apache::lonnet::is_cached_new('courseltienc',$hashid); |
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if (defined($cached)) { |
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if (ref($result) eq 'HASH') { |
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%crslti = %{$result}; |
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} |
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} else { |
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my $reply = &dump_with_regexp(join(":",($cdom,$cnum,'nohist_ltienc','','')),$loncaparev); |
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%crslti = %{&Apache::lonnet::unserialize($reply)}; |
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my $cachetime = 24*60*60; |
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&Apache::lonnet::do_cache_new('courseltienc',$hashid,\%crslti,$cachetime); |
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} |
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return if (!keys(%crslti)); |
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foreach my $id (keys(%crslti)) { |
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if (ref($crslti{$id}) eq 'HASH') { |
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my $key = $crslti{$id}{'key'}; |
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if (($key ne '') && ($crslti{$id}{'secret'} ne '')) { |
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push(@{$crslti_by_key{$key}},$id); |
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} |
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} |
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} |
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return if (!keys(%crslti_by_key)); |
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my %courselti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider'); |
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if (ref($crslti_by_key{$consumer_key}) eq 'ARRAY') { |
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foreach my $id (@{$crslti_by_key{$consumer_key}}) { |
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my $secret = $crslti{$id}{'secret'}; |
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if (ref($courselti{$id}) eq 'HASH') { |
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if ((exists($courselti{$id}{'cipher'})) && |
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($courselti{$id}{'cipher'} =~ /^\d+$/)) { |
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my $keynum = $courselti{$id}{'cipher'}; |
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my $privkey = &get_dom("getdom:$cdom:private:$keynum:lti:key"); |
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if ($privkey ne '') { |
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my $cipher = new Crypt::CBC($privkey); |
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$secret = $cipher->decrypt_hex($secret); |
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} |
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} |
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} |
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my $request = Net::OAuth->request('request token')->from_hash($params, |
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request_url => $url, |
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request_method => $method, |
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consumer_secret => $secret,); |
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if ($request->verify()) { |
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$itemid = $id; |
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last; |
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} |
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} |
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} |
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return $itemid; |
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} |
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sub domlti_itemid { |
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my ($dom,$context,$url,$method,$params,$loncaparev) = @_; |
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unless (ref($params) eq 'HASH') { |
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return; |
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} |
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if ($dom eq '') { |
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return; |
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} |
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my ($itemid,$consumer_key,$secret); |
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if (exists($params->{'oauth_callback'})) { |
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$Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0A; |
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} else { |
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$Net::OAuth::PROTOCOL_VERSION = Net::OAuth::PROTOCOL_VERSION_1_0; |
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} |
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my $consumer_key = $params->{'oauth_consumer_key'}; |
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return if ($consumer_key eq ''); |
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my %ltienc; |
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my ($encresult,$enccached)=&Apache::lonnet::is_cached_new('ltienc',$dom); |
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if (defined($enccached)) { |
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if (ref($encresult) eq 'HASH') { |
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%ltienc = %{$encresult}; |
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} |
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} else { |
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my $reply = &get_dom("getdom:$dom:encconfig:lti"); |
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my $ltiencref = &Apache::lonnet::thaw_unescape($reply); |
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if (ref($ltiencref) eq 'HASH') { |
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%ltienc = %{$ltiencref}; |
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} |
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my $cachetime = 24*60*60; |
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&Apache::lonnet::do_cache_new('ltienc',$dom,\%ltienc,$cachetime); |
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} |
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return if (!keys(%ltienc)); |
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my %lti; |
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if ($context eq 'deeplink') { |
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my ($result,$cached)=&Apache::lonnet::is_cached_new('lti',$dom); |
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if (defined($cached)) { |
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if (ref($result) eq 'HASH') { |
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%lti = %{$result}; |
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} |
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} else { |
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my $reply = &get_dom("getdom:$dom:configuration:lti"); |
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my $ltiref = &Apache::lonnet::thaw_unescape($reply); |
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if (ref($ltiref) eq 'HASH') { |
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%lti = %{$ltiref}; |
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} |
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my $cachetime = 24*60*60; |
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&Apache::lonnet::do_cache_new('lti',$dom,\%lti,$cachetime); |
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} |
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} |
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return if (!keys(%lti)); |
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my %lti_by_key; |
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foreach my $id (keys(%ltienc)) { |
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if (ref($ltienc{$id}) eq 'HASH') { |
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my $key = $ltienc{$id}{'key'}; |
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if (($key ne '') && ($ltienc{$id}{'secret'} ne '')) { |
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if ($context eq 'deeplink') { |
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if (ref($lti{$id}) eq 'HASH') { |
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if (!$lti{$id}{'requser'}) { |
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push(@{$lti_by_key{$key}},$id); |
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} |
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} |
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} else { |
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push(@{$lti_by_key{$key}},$id); |
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} |
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} |
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} |
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} |
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return if (!keys(%lti_by_key)); |
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if (ref($lti_by_key{$consumer_key}) eq 'ARRAY') { |
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foreach my $id (@{$lti_by_key{$consumer_key}}) { |
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my $secret = $ltienc{$id}{'secret'}; |
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my $request = Net::OAuth->request('request token')->from_hash($params, |
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request_url => $url, |
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request_method => $method, |
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consumer_secret => $secret,); |
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if ($request->verify()) { |
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$itemid = $id; |
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last; |
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} |
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} |
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} |
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return $itemid; |
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} |
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1; |
1; |
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__END__ |
__END__ |