--- loncom/homework/lonhomework.pm 2018/09/21 04:37:36 1.344.2.10 +++ loncom/homework/lonhomework.pm 2016/07/18 19:29:11 1.363 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.344.2.10 2018/09/21 04:37:36 raeburn Exp $ +# $Id: lonhomework.pm,v 1.363 2016/07/18 19:29:11 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -49,8 +49,10 @@ use Apache::matchresponse(); use Apache::chemresponse(); use Apache::functionplotresponse(); use Apache::drawimage(); +use Apache::loncapamath(); use Apache::Constants qw(:common); use Apache::loncommon(); +use Apache::lonparmset(); use Apache::lonlocal; use Time::HiRes qw( gettimeofday tv_interval ); use HTML::Entities(); @@ -219,8 +221,41 @@ sub check_slot_access { return ($status,$datemsg); } - if ($status eq 'SHOW_ANSWER' || - $status eq 'CLOSED' || + my $checkin = 'resource.0.checkedin'; + my $version; + if ($type eq 'Task') { + $version=$Apache::lonhomework::history{'resource.version'}; + $checkin = "resource.$version.0.checkedin"; + } + my $checkedin = $Apache::lonhomework::history{$checkin}; + my ($returned_slot,$slot_name,$checkinslot,$ipused,$blockip,$now,$ip, + $consumed_uniq); + $now = time; + $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'}; + + if ($checkedin) { + $checkinslot = $Apache::lonhomework::history{"$checkin.slot"}; + my %slot=&Apache::lonnet::get_slot($checkinslot); + $consumed_uniq = $slot{'uniqueperiod'}; + if ($slot{'iptied'}) { + $ipused = $Apache::lonhomework::history{"$checkin.ip"}; + unless (($ip ne '') && ($ipused eq $ip)) { + $blockip = $slot{'iptied'}; + $slot_name = $checkinslot; + $returned_slot = \%slot; + } + } + } + + if ($status eq 'SHOW_ANSWER') { + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ($status,$datemsg); + } + } + + if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS' || $status eq 'UNAVAILABLE') { return ($status,$datemsg); @@ -230,17 +265,14 @@ sub check_slot_access { } if ($type eq 'Task') { - my $version=$Apache::lonhomework::history{'resource.version'}; - if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} && + if ($checkedin && $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') { - return ('SHOW_ANSWER'); - } - } elsif (($type eq 'problem') && - ($Apache::lonhomework::browse eq 'F') && - ($ENV{'REMOTE_ADDR'} eq '127.0.0.1') && - ($env{'form.grade_courseid'} eq $env{'request.course.id'}) && - (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}))) { - return ($status,$datemsg); + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ('SHOW_ANSWER'); + } + } } my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb); @@ -250,11 +282,11 @@ sub check_slot_access { # if (!@slots) { # return ($status,$datemsg); # } + undef($returned_slot); + undef($slot_name); my $slotstatus='NOT_IN_A_SLOT'; - my ($returned_slot,$slot_name); - my $now = time; my $num_usable_slots = 0; - unless ($symb) { + if (!$symb) { ($symb) = &Apache::lonnet::whichuser(); } foreach my $slot (@slots) { @@ -267,12 +299,41 @@ sub check_slot_access { if ($slot{'starttime'} < $now && $slot{'endtime'} > $now && &Apache::loncommon::check_ip_acc($slot{'ip'})) { - &Apache::lonxml::debug("$slot is good"); - $slotstatus='NEEDS_CHECKIN'; - $returned_slot=\%slot; - $slot_name=$slot; - last; - } + if ($slot{'iptied'}) { + if ($env{'request.course.id'}) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if ($slot eq $checkinslot) { + if ($ip eq $ipused) { + &Apache::lonxml::debug("$slot is good"); + $slotstatus ='NEEDS_CHECKIN'; + } else { + $slotstatus = 'NEED_DIFFERENT_IP'; + $slot_name = $slot; + $returned_slot = \%slot; + last; + } + } elsif ($ip) { + my $uniqkey = "$slot\0$symb\0$ip"; + my %used_ip = &Apache::lonnet::get('slot_uniqueips',[$uniqkey],$cdom,$cnum); + if ($used_ip{$uniqkey}) { + $slotstatus = 'NEED_DIFFERENT_IP'; + } else { + &Apache::lonxml::debug("$slot is good"); + $slotstatus ='NEEDS_CHECKIN'; + } + } + } + } else { + &Apache::lonxml::debug("$slot is good"); + $slotstatus='NEEDS_CHECKIN'; + } + if ($slotstatus eq 'NEEDS_CHECKIN') { + $returned_slot=\%slot; + $slot_name=$slot; + last; + } + } } if ($slotstatus eq 'NEEDS_CHECKIN' && &proctor_checked_in($slot_name,$returned_slot,$type)) { @@ -280,28 +341,16 @@ sub check_slot_access { $slotstatus=$status; } - my ($is_correct,$got_grade,$checkin,$checkinslot,$checkedin,$consumed_uniq); + my ($is_correct,$got_grade); if ($type eq 'Task') { my $version=$Apache::lonhomework::history{'resource.0.version'}; - $checkin = "resource.$version.0.checkedin"; $got_grade = ($Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(?:pass|fail)$/); $is_correct = ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ ); - $checkedin = - $Apache::lonhomework::history{"resource.$version.0.checkedin"}; } elsif ($type eq 'problem') { - $checkin = 'resource.0.checkedin'; - $checkedin = $Apache::lonhomework::history{$checkin}; - } - if ($checkedin) { - $checkinslot = $Apache::lonhomework::history{"$checkin.slot"}; - my %slot=&Apache::lonnet::get_slot($checkinslot); - $consumed_uniq = $slot{'uniqueperiod'}; - } - if ($type eq 'problem') { if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) { my ($numcorrect,$numgraded) = (0,0); foreach my $part (@{$partlist}) { @@ -310,16 +359,16 @@ sub check_slot_access { my $probstatus = &Apache::structuretags::get_problem_status($part); my $earlyout; unless (($probstatus eq 'no') || - ($probstatus eq 'no_feedback_ever')) { + ($probstatus eq 'no_feedback_ever')) { if ($Apache::lonhomework::history{"resource.$part.solved"} =~/^correct_/) { $numcorrect ++; } else { $earlyout = 1; } } - if ($currtries == $maxtries) { + if (($currtries == $maxtries) || ($is_correct)) { $earlyout = 1; - } else { + } else { $numgraded ++; } last if ($earlyout); @@ -360,13 +409,16 @@ sub check_slot_access { # However, the problem is not closed, and potentially, another slot might be # used to gain access to it to work on it, until the due date is reached, and the # problem then becomes CLOSED. Therefore return the slotstatus - - # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE. + # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE). if (!defined($slot_name) && $type eq 'problem') { if ($slotstatus eq 'NOT_IN_A_SLOT') { if (!$num_usable_slots) { if ($env{'request.course.id'}) { my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + unless ($symb) { + ($symb)=&Apache::lonnet::whichuser(); + } $slotstatus = 'NOTRESERVABLE'; my ($reservable_now_order,$reservable_now,$reservable_future_order, $reservable_future) = @@ -437,14 +489,18 @@ sub check_slot_access { && $checkedin ) { if ($got_grade) { - return ('SHOW_ANSWER'); + if ($blockip eq 'answer') { + return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused); + } else { + return ('SHOW_ANSWER'); + } } else { return ('WAITING_FOR_GRADE'); } } - if ( $is_correct) { + if (($is_correct) && ($blockip ne 'answer')) { if ($type eq 'problem') { return ($status); } @@ -452,11 +508,11 @@ sub check_slot_access { } if ( $status eq 'CANNOT_ANSWER' && - ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) { + ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT' && + $slotstatus ne 'NEED_DIFFERENT_IP') ) { return ($status,$datemsg); } - - return ($slotstatus,$datemsg,$slot_name,$returned_slot); + return ($slotstatus,$datemsg,$slot_name,$returned_slot,$ipused); } # JB, 9/24/2002: Any changes in this function may require a change @@ -588,15 +644,16 @@ sub check_access { if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') { my @interval=&Apache::lonnet::EXT("resource.$id.interval",$symb); &Apache::lonxml::debug("looking for interval @interval"); - if ($interval[0]) { + if ($interval[0]=~ /^\d+/) { my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); &Apache::lonxml::debug("looking for accesstime $first_access"); if (!$first_access) { $status='NOT_YET_VIEWED'; my $due_date = &due_date($id,$symb); my $seconds_left = $due_date - time; - if ($seconds_left > $interval[0] || $due_date eq '') { - $seconds_left = $interval[0]; + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + if ($seconds_left > $timelimit || $due_date eq '') { + $seconds_left = $timelimit; } $datemsg=&seconds_to_human_length($seconds_left); } @@ -631,7 +688,8 @@ sub due_date { my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])"); if (defined($first_access)) { - my $interval = $first_access+$interval[0]; + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + my $interval = $first_access+$timelimit; $date = (!$due_date || $interval < $due_date) ? $interval : $due_date; } else { @@ -867,7 +925,7 @@ sub analyze_header { .&Apache::loncommon::head_subbox( &Apache::loncommon::CSTR_pageheader()); $result .= - '
'. ''. @@ -882,8 +940,8 @@ sub analyze_header { 'onclick="javascript:setmode(this.form,'."'view'".')" />
' - .&Apache::lonxml::message_location().' -
'; + .&Apache::lonxml::message_location(). + ''; &Apache::lonxml::add_messages(\$result); $request->print($result); $request->rflush(); @@ -1062,9 +1120,8 @@ sub editxmlmode { $problem=''; } - if (($env{'form.problemmode'} eq 'saveeditxml') || - ($env{'form.problemmode'} eq 'saveviewxml') || + ($env{'form.problemmode'} eq 'saveviewxml') || ($env{'form.problemmode'} eq 'undoxml')) { my $error=&handle_save_or_undo($request,\$problem, \$env{'form.editxmltext'}); @@ -1113,7 +1170,7 @@ sub editxmlmode {
'. &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index'). - '
'; + '
'; $result.=''. &Apache::structuretags::problem_edit_buttons('editxml'); @@ -1123,27 +1180,27 @@ sub editxmlmode { unless ($env{'environment.nocodemirror'}) { # dropdown menus - $result .= Apache::lonmenu::create_submenu("#", "", + $result .= Apache::lonmenu::create_submenu("#", "", &mt("Problem Templates"), template_dropdown_datastructure()); - $result .= Apache::lonmenu::create_submenu("#", "", + $result .= Apache::lonmenu::create_submenu("#", "", &mt("Response Types"), responseblock_dropdown_datastructure()); - $result .= Apache::lonmenu::create_submenu("#", "", + $result .= Apache::lonmenu::create_submenu("#", "", &mt("Conditional Blocks"), conditional_scripting_datastructure()); - $result .= Apache::lonmenu::create_submenu("#", "", + $result .= Apache::lonmenu::create_submenu("#", "", &mt("Miscellaneous"), misc_datastructure()); } - $result .= Apache::lonmenu::create_submenu("#", "", + $result .= Apache::lonmenu::create_submenu("#", "", &mt("Help") . ' ' . &mt(', + '" style="vertical-align:text-bottom; height: auto; margin:0; "/>', helpmenu_datastructure(),""); $result.="
"; - - $result .= '
' . + + $result .= '' . &Apache::lonxml::message_location() . &Apache::loncommon::xmleditor_js() . '