--- rat/lonwrapper.pm 2016/11/30 17:40:39 1.49.2.3 +++ rat/lonwrapper.pm 2020/01/14 14:26:39 1.70 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Wrapper for external and binary files as standalone resources # -# $Id: lonwrapper.pm,v 1.49.2.3 2016/11/30 17:40:39 raeburn Exp $ +# $Id: lonwrapper.pm,v 1.70 2020/01/14 14:26:39 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -37,22 +37,26 @@ use Apache::lonlocal; use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::lonextresedit(); +use Apache::lonexttool(); +use Apache::lonhomework(); +use LONCAPA qw(:DEFAULT :match); +use HTML::Entities(); # ================================================================ Main Handler sub wrapper { - my ($url,$brcrum,$absolute,$is_ext,$is_pdf,$title) = @_; + my ($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation, + $title,$width,$height) = @_; my $forcereg; unless ($env{'form.folderpath'}) { $forcereg = 1; } - my %lt = &Apache::lonlocal::texthash( 'noif' => 'No iframe support.', 'show' => 'Show content in pop-up window', ); - my $anchor; + my ($anchor,$uselink); if ($is_ext) { if ($env{'form.symb'}) { (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'}); @@ -62,6 +66,12 @@ sub wrapper { } elsif ($env{'form.anchor'} ne '') { $anchor = '#'.$env{'form.anchor'}; } + unless (($is_pdf) && ($env{'browser.mobile'})) { + my $hostname = $r->hostname(); + my $lonhost = $r->dir_config('lonHostID'); + my $ip = &Apache::lonnet::get_host_ip($lonhost); + $uselink = &Apache::loncommon::is_nonframeable($url,$absolute,$hostname,$ip); + } } my $noiframe = &Apache::loncommon::modal_link($url.$anchor,$lt{'show'},500,400); @@ -73,37 +83,138 @@ sub wrapper { $args->{'bread_crumbs'} = $brcrum; } if ($absolute) { - $args->{'use_absolute'} = $absolute; + $args->{'use_absolute'} = $absolute; + } + if ($env{'form.only_body'}) { + $args->{'only_body'} = $env{'form.only_body'}; + } + + my ($countdown,$donemsg); + if (($exttool) && (&Apache::lonnet::EXT('resource.0.gradable') =~ /^yes$/i)) { + $Apache::lonhomework::browse = &Apache::lonnet::allowed('bre',$url); + if ($env{'form.markaccess'}) { + my $symb=&Apache::lonnet::symbread($url); + my @interval=&Apache::lonnet::EXT('resource.0.interval',$symb); + my ($timelimit) = split(/_/,$interval[0]); + my $setres = &Apache::lonnet::set_first_access($interval[1],$timelimit); + if ($setres eq 'ok') { + delete($env{'form.markaccess'}); + } + } elsif ($env{'form.LC_interval_done'} eq 'true') { + my $symb=&Apache::lonnet::symbread($url); + if ($symb) { + (my $donebuttonresult,$donemsg) = &Apache::lonhomework::zero_timer($symb); + undef($env{'form.LC_interval_done'}); + undef($env{'form.LC_interval_done_proctorpass'}); + } + } + my ($status,$result,$resource_due) = + &Apache::lonexttool::gradabletool_access_check(); + undef($Apache::lonhomework::browse); + if ($status eq 'CAN_ANSWER') { + if ($resource_due) { + my $time_left = $resource_due - time(); + if ($resource_due && ($time_left > 0)) { + $countdown =' +'."\n". + &Apache::lonhtmlcommon::set_due_date($resource_due); + } + } + } else { + if ($status eq 'SHOW_ANSWER') { + $result = &Apache::lonexttool::display_score(). + &Apache::lonfeedback::list_discussion('tool','OPEN'); + } + return &Apache::loncommon::start_page('Menu',undef,$args). + $result. + &Apache::loncommon::end_page(); + } } - my $startpage = &Apache::loncommon::start_page('Menu',undef,$args); + my $startpage = &Apache::loncommon::start_page('Menu',undef,$args).$countdown.$donemsg; my $endpage = &Apache::loncommon::end_page(); - if ($env{'browser.mobile'}) { + if (($uselink) && ($title eq '')) { + if ($env{'form.symb'}) { + $title=&Apache::lonnet::gettitle($env{'form.symb'}); + } else { + my $symb=&Apache::lonnet::symbread($r->uri); + if ($symb) { + $title=&Apache::lonnet::gettitle($symb); + } + } + } + if (($env{'browser.mobile'}) || ($exttool eq 'window') || ($exttool eq 'tab')) { my $output = $startpage; if ($is_pdf) { - if ($title eq '') { - $title = $env{'form.title'}; - if ($title eq '') { - unless ($env{'request.enc'}) { - ($title) = ($url =~ m{/([^/]+)$}); - $title =~ s/(\?[^\?]+)$//; - } - } + $linktext = &mt('Link to PDF (for mobile devices)'); + $output .= &create_link($url,$anchor,$title,$linktext); + } elsif (($exttool eq 'window') || ($exttool eq 'tab')) { + if ($linktext eq '') { + $linktext = &mt('Launch External Tool'); } - unless ($title eq '') { - $output .= $title.'
'; + $url = &HTML::Entities::encode($url,'"<>&'); + if ($exttool eq 'tab') { + $output .= '
'. + ''. + $linktext.''. + '
'; + } else { + $output .= <<"ENDLINK"; + +
+ +$linktext +
+ENDLINK + } + if ($explanation ne '') { + $output .= '
'.$explanation.'
'; + } + if (&Apache::lonnet::EXT('resource.0.gradable')) { + $output .= &Apache::lonfeedback::list_discussion('tool','OPEN'); } - $output .= ''.&mt('Link to PDF (for mobile devices)').''; } else { - $output .= '
'."\n". - '\n". - "
\n"; + if ($uselink) { + $linktext = &mt('Link to resource'); + $output .= &create_link($url,$anchor,$title,$linktext); + } else { + my $dest = &HTML::Entities::encode($url.$anchor,'&<>"'); + $output .= '
'."\n". + '\n". + "
\n"; + } } $output .= $endpage; return $output; + } elsif ($uselink) { + $linktext = &mt('Link to resource'); + return $startpage.&create_link($url,$anchor,$title,$linktext).$endpage; } else { my $offset = 5; &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']); @@ -136,17 +247,38 @@ sub wrapper { window.onload = function(){ \$(window).trigger('resize') }; SCRIPT # javascript will position the iframe if window was resized (or zoomed) + my $dest = &HTML::Entities::encode($url.$anchor,'&<>"'); return < - + $endpage ENDFRAME } } +sub create_link { + my ($url,$anchor,$title,$linktext) = @_; + my $shownlink; + if ($title eq '') { + $title = $env{'form.title'}; + if ($title eq '') { + unless ($env{'request.enc'}) { + ($title) = ($url =~ m{/([^/]+)$}); + $title =~ s/(\?[^\?]+)$//; + } + } + } + unless ($title eq '') { + $shownlink = ''.$title.'
'; + } + my $dest = &HTML::Entities::encode($url.$anchor,'&<>"'); + $shownlink .= ''.$linktext.''; + return $shownlink; +} + sub handler { my $r=shift; &Apache::loncommon::content_type($r,'text/html'); @@ -155,20 +287,47 @@ sub handler { return OK if $r->header_only; my $url = $r->uri; - my ($is_ext,$brcrum,$absolute,$is_pdf); + my ($is_ext,$brcrum,$absolute,$is_pdf,$exttool,$cdom,$cnum,$hostname, + $linktext,$explanation,$width,$height); for ($url){ s|^/adm/wrapper||; $is_ext = $_ =~ s|^/ext/|http://|; s|http://https://|https://|; - s|:|:|g; + s|:|:|g; } if ($url =~ /\.pdf$/i) { $is_pdf = 1; + } elsif ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) { + $cdom = $1; + $cnum = $2; + my $marker = $3; + $exttool = 'iframe'; + my $exttoolremote; + my %toolhash = &Apache::lonnet::get('exttool_'.$marker,['target','linktext','explanation','id','width','height'], + $cdom,$cnum); + if ($toolhash{'id'}) { + my %ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer'); + if (ref($ltitools{$toolhash{'id'}}) eq 'HASH') { + $exttoolremote = $ltitools{$toolhash{'id'}}{'url'}; + } + } + if ($toolhash{'target'} eq 'window') { + $exttool = 'window'; + $width = $toolhash{'width'}; + $height = $toolhash{'height'}; + } elsif ($toolhash{'target'} eq 'tab') { + $exttool = 'tab'; + } + if (($exttool eq 'window') || ($exttool eq 'tab')) { + $linktext = $toolhash{'linktext'}; + $explanation = $toolhash{'explanation'}; + } elsif (($exttoolremote =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) { + $exttool = 'tab'; + } } - - if ($is_ext) { + if (($is_ext) || ($exttool)) { &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['forceedit','register','folderpath','symb','idx','title','anchor']); if (($env{'form.forceedit'}) && @@ -185,16 +344,27 @@ sub handler { $url .= '#'.$env{'form.anchor'}; } } + my $type = 'ext'; + if ($exttool) { + $type = 'tool'; + } elsif (($url =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) { + $hostname = $r->hostname(); + } $r->print( &Apache::lonextresedit::display_editor($url,$env{'form.folderpath'}, $env{'form.symb'}, - $env{'form.idx'})); + $env{'form.idx'},$type,$cdom, + $cnum,$hostname)); return OK; } elsif ($env{'form.folderpath'} =~ /^supplemental/) { my $crstype = &Apache::loncommon::course_type(); my $title = $env{'form.title'}; if ($title eq '') { - $title = &mt('External Resource'); + if ($is_ext) { + $title = &mt('External Resource'); + } else { + $title = &mt('External Tool'); + } } $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); @@ -204,7 +374,7 @@ sub handler { # # Actual URL # - if ($url=~/$LONCAPA::assess_re/) { + if (($url=~/$LONCAPA::assess_re/) && (!$exttool)) { # # This is uploaded homework # @@ -214,7 +384,7 @@ sub handler { # # This is not homework # - if ($is_ext) { + if (($is_ext) || ($exttool)) { $absolute = $env{'request.use_absolute'}; $ENV{'QUERY_STRING'} =~ s/(^|\&)symb=[^\&]*/$1/; $ENV{'QUERY_STRING'} =~ s/\&$//; @@ -225,9 +395,12 @@ sub handler { } # encrypt url if not external - &Apache::lonenc::check_encrypt(\$url) if $url !~ /^https?\:/ ; + unless ($is_ext) { + &Apache::lonenc::check_encrypt(\$url); + } - $r->print( wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf) ); + $r->print( wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool, + $linktext,$explanation,undef,$width,$height) ); } # not just the menu @@ -254,10 +427,14 @@ described at http://www.lon-capa.org. =over -=item wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf,$title)) +=item wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$linktext,$explanation,$title,$width,$height) =over +=item $r + +request object + =item $url url to display by including in an iframe within a