version 1.2, 2009/07/09 12:53:28
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version 1.23, 2024/12/31 19:28:29
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Line 31 package Apache::lonblockingstatus;
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Line 31 package Apache::lonblockingstatus;
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::loncommon(); |
use Apache::loncommon(); |
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use Apache::lonnet; |
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use Apache::lonlocal; |
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use LONCAPA qw(:DEFAULT :match); |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
Apache::loncommon::no_cache($r); |
&Apache::loncommon::no_cache($r); |
Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
$r->send_http_header; |
return OK if $r->header_only; |
return OK if $r->header_only; |
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$r->print( |
my (%activities,$activity,$origurl,$origsymb); |
Apache::loncommon::start_page( |
map { $activities{$_} = 1; } ('boards','chat','com','blogs','about','groups','port','printout','docs','grades','passwd','search','index','wishlist','annotate'); |
'Communication Blocking Status Information', |
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undef, {'only_body' => 1, })); |
# determine what kind of blocking we want details for |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['activity','url','symb']); |
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$activity = $env{'form.activity'}; |
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my $title = 'Communication Blocking Status Information'; |
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if (($activity eq 'docs') || ($activity eq 'printout') || |
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($activity eq 'grades') || ($activity eq 'passwd') || |
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($activity eq 'search') || ($activity eq 'wishlist') || |
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($activity eq 'annotate') || ($activity eq 'index')) { |
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$title = 'Blocking Status Information'; |
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if ($activity eq 'docs') { |
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$origurl = $env{'form.url'}; |
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$origsymb = $env{'form.symb'}; |
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} |
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} |
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$r->print(&Apache::loncommon::start_page($title,undef, |
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{'only_body' => 1})); |
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if (($activity eq '') || (!$activities{$activity})) { |
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$r->print('<p class="LC_error">'.&mt('Error: unknown activity type blocked').'</p>'); |
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} elsif (($activity eq 'docs') && ($origurl eq '') && ($origsymb eq '')) { |
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$r->print('<p class="LC_error">'.&mt('Error: could not determine what content was blocked from access').'</p>'); |
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} else { |
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my $clientip = &Apache::lonnet::get_requestor_ip($r); |
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$r->print(&blockpage($activity,$origurl,$origsymb,$clientip)); |
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} |
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my ($blocked, $blocktext) = &Apache::loncommon::blocking_status_print('boards'); |
$r->print(&Apache::loncommon::end_page()); |
$r->print($blocktext); |
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$r->print(Apache::loncommon::end_page()); |
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return OK; |
return OK; |
} |
} |
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sub blockpage { |
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my ($activity,$origurl,$origsymb,$clientip) = @_; |
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1; |
# in case of a portfolio block we need to determine the owner of the files |
__END__ |
# we're trying to look at. This information is passed via query string. |
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my ($uname, $udom); |
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if (($activity eq 'port') || ($activity eq 'about') || |
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(($activity eq 'passwd') && ($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))) { |
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&Apache::loncommon::get_unprocessed_cgi( |
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$ENV{'QUERY_STRING'}, ['udom', 'uname'] ); |
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($uname, $udom) = ($env{'form.uname'}, $env{'form.udom'}); |
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if (($uname !~ /^$match_username$/) || ($udom !~ /^$match_domain$/)) { |
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if ($activity eq 'port') { |
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return '<span class="LC_error">'. |
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&mt('Information about the owner of the portfolio files you were trying to view was missing or invalid.'). |
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'</span><br />'. |
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&mt('Without valid owner information, the reason why access is blocked can not be determined'); |
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} elsif ($activity eq 'about') { |
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return '<span class="LC_error">'. |
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&mt('The username and/or domain for the User Information page you were trying to view was missing or invalid.'). |
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'</span><br />'. |
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&mt('Without valid information, the reason why access is blocked can not be determined'); |
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} else { |
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return '<span class="LC_error">'. |
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&mt('Information about the username and/or domain for which you were trying to reset a password was missing or invalid.'). |
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'</span><br />'. |
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&mt('Without valid information, the reason why access is blocked can not be determined'); |
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} |
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} |
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} |
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# retrieve start/end of possible active blocking |
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my (%setters,$startblock,$endblock,$triggerblock,$by_ip,$blockdom); |
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if ($activity eq 'docs') { |
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my ($cdom,$cnum); |
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if ($env{'request.course.id'}) { |
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$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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$cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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} |
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my $cancheck; |
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if (($cdom ne '') && ($cnum ne '')) { |
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if ($origsymb =~ m{^uploaded/($match_domain)/($match_courseid)/}) { |
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my ($crsdom,$crsnum) = ($1,$2); |
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if (($cdom eq $crsdom) && ($cnum eq $crsnum)) { |
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$cancheck = 1; |
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} |
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} else { |
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$cancheck = 1; |
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} |
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} |
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if ($cancheck) { |
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($startblock,$endblock,$triggerblock) = |
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&Apache::loncommon::blockcheck(\%setters,$activity,$clientip,$cnum,$cdom,$origurl,1,$origsymb,'blockingstatus'); |
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} else { |
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return '<p class="LC_info">'.&mt('Could not determine why access is blocked.').'</p>'; |
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} |
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} else { |
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($startblock,$endblock,$triggerblock,$by_ip,$blockdom) = |
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&Apache::loncommon::blockcheck(\%setters,$activity,$clientip,$uname,$udom,$origurl,undef,$origsymb,'blockingstatus'); |
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} |
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# nothing to do if there's no active blocking |
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unless (($startblock && $endblock) || ($by_ip)) { |
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if ($activity eq 'docs') { |
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return '<p class="LC_info">'.&mt('Content no longer blocked from access').'</p>'; |
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} |
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return '<p class="LC_info">'.&mt('Access no longer blocked for this activity').'</p>'; |
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} |
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# lookup $activity -> description |
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#possible activity #corresponding description |
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my %descs = ( |
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boards => 'Discussion posts in this course', |
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chat => 'Chat Room', |
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com => 'This message', |
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blogs => 'Blogs', |
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about => 'User information pages', |
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groups => 'Groups in this course', |
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printout => 'Printout generation', |
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docs => 'Course Content', |
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passwd => 'Changing of passwords', |
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grades => 'Course Gradebook', |
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search => 'Content Search', |
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index => 'Content Index', |
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wishlist => 'Stored Links', |
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annotate => 'Annotations', |
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); |
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if ($activity eq 'groups' || $activity eq 'boards') { |
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if (&Apache::loncommon::course_type() eq 'Community') { |
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$descs{'boards'} = 'Discussion posts in this community'; |
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$descs{'groups'} = 'Groups in this community'; |
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$descs{'docs'} = 'Community Content'; |
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$descs{'grades'} = 'Community Gradebook'; |
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} |
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} |
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my $description = $descs{$activity}; |
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if ($activity eq 'port') { |
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$description = &get_portfolio_category($uname,$udom,$by_ip,\%setters); |
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} |
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if ($description eq '') { |
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$description = 'Communication'; |
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} |
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my ($showstart,$showend,$output); |
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unless ($by_ip) { |
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$showstart = Apache::lonlocal::locallocaltime($startblock); |
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$showend = Apache::lonlocal::locallocaltime($endblock); |
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} |
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if ( ref($description) ne 'ARRAY' ) { |
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#default: $description is one of the above descriptions |
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if ($activity eq 'docs') { |
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$output=&mt( 'Access to the content page you are attempting to' |
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. ' view will be unavailable between [_1] and [_2] because' |
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. ' access to selected '.$description.' is being blocked.' |
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,$showstart, $showend); |
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} elsif (($activity eq 'printout') || ($activity eq 'passwd') || |
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($activity eq 'grades') || ($activity eq 'search') || |
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($activity eq 'about') || ($activity eq 'wishlist') || |
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($activity eq 'annotate') || ($activity eq 'index')) { |
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if ($by_ip) { |
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$output = mt( $description |
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. ' unavailable from your current IP address: [_1] ' |
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. 'because this functionality is being blocked for certain IP address(es).' |
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,$clientip); |
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} else { |
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$output = mt( $description |
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. ' will be unavailable between [_1] and [_2] because' |
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. ' this functionality is being blocked.' |
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,$showstart, $showend); |
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} |
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} else { |
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if ($by_ip) { |
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$output = mt( $description |
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. ' unavailable from your current IP address: [_1] ' |
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. 'because communication is being blocked for certain IP address(es).' |
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,$clientip); |
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} else { |
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$output = mt( $description |
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. ' will be inaccessible between [_1] and [_2] because' |
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. ' communication is being blocked.' |
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,$showstart, $showend); |
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} |
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} |
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} else { |
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# @$description is is the array returned from get_portfolio_category() |
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# and contains the description (e.g. "Portfolio files belonging to [_1]" |
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# and the value for [_1] |
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if ($by_ip) { |
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$output = mt( $$description[0] |
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. ' are inaccessible from your current IP address: [_2] ' |
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. 'because communication is being blocked for certain IP address(es).' |
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, $$description[1], $clientip); |
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} else { |
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$output = mt( $$description[0] |
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. ' will be inaccessible between [_2] and [_3] because' |
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. ' communication is being blocked.' |
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,$$description[1], $showstart, $showend); |
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} |
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} |
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$output = "<p class=\"LC_info\">$output</p>"; |
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# show a table containing details, except if user is trying to look |
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# at a different user's portfolio files |
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if ( $activity ne 'port' # no portfolio |
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|| ( $uname eq $env{'user.name'} # or own portfolio |
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&& $udom eq $env{'user.domain'} ) |
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|| Apache::lonnet::is_course($udom, $uname) ) # or portfolio of a course |
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{ |
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if ($by_ip) { |
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my $showdom = &Apache::lonnet::domain($blockdom); |
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if ($showdom eq '') { |
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$showdom = $blockdom; |
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} |
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$output .= '<br />'. |
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&mt('This restriction was set by an administrator in the [_1] LON-CAPA domain.' |
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,$showdom); |
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} else { |
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$output .= &build_block_table(\%setters); |
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} |
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} |
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return $output; |
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} |
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sub build_block_table { |
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my ($setters) = @_; |
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my %lt = &Apache::lonlocal::texthash( |
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'cacb' => 'Currently active communication/content blocks', |
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'cour' => 'Course', |
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'dura' => 'Duration', |
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'blse' => 'Block set by' |
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); |
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my $output; |
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$output = Apache::loncommon::start_data_table() |
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. Apache::loncommon::data_table_caption($lt{'cacb'}) |
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. Apache::loncommon::start_data_table_header_row() |
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. "<th>$lt{'cour'}</th> <th>$lt{'dura'}</th> <th>$lt{'blse'}</th>" |
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. Apache::loncommon::end_data_table_header_row(); |
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foreach my $course (keys(%{$setters})) { |
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my %courseinfo=&Apache::lonnet::coursedescription($course); |
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for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) { |
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my ($uname,$udom) = @{$$setters{$course}{staff}[$i]}; |
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my $fullname = Apache::loncommon::plainname($uname,$udom); |
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if (defined($env{'user.name'}) && defined($env{'user.domain'}) |
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&& $env{'user.name'} ne 'public' |
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&& $env{'user.domain'} ne 'public') |
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{ |
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$fullname = Apache::loncommon::aboutmewrapper($fullname,$uname,$udom); |
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} |
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my $triggertype = $$setters{$course}{triggers}[$i]; |
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if ($triggertype) { |
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$fullname .= &mt(' (triggered by you when starting timer)'); |
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} |
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my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]}; |
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$openblock = &Apache::lonlocal::locallocaltime($openblock); |
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$closeblock= &Apache::lonlocal::locallocaltime($closeblock); |
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my $duration = mt('[_1] to [_2]', $openblock, $closeblock); |
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$output .= Apache::loncommon::start_data_table_row() |
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. "<td>$courseinfo{'description'}</td>" |
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. "<td>$duration</td>" |
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. "<td>$fullname</td>" |
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. Apache::loncommon::end_data_table_row(); |
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} |
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} |
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$output .= Apache::loncommon::end_data_table(); |
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} |
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sub get_portfolio_category { |
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my ($uname, $udom, $by_ip, $setters) = @_; |
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if ($uname eq $env{'user.name'} && $udom eq $env{'user.domain'}) { |
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# user's portolfio files |
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return 'Your portfolio files'; |
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} elsif (Apache::lonnet::is_course($udom, $uname)) { |
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# group portfolio files |
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my $coursedesc; |
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if ($by_ip) { |
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my %courseinfo = Apache::lonnet::coursedescription($udom.'_'.$uname); |
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$coursedesc = $courseinfo{'description'}; |
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} else { |
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foreach my $course (keys(%{$setters})) { |
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my %courseinfo = Apache::lonnet::coursedescription($course); |
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$coursedesc = $courseinfo{'description'}; |
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} |
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} |
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return ["Group portfolio files in the course '[_1]'", $coursedesc]; |
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} else { |
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# different user's portfolio files |
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my $plainname = Apache::loncommon::plainname($uname, $udom); |
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unless ( $env{'user.name'} eq 'public' |
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&& $env{'user.domain'} eq 'public' ) |
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{ |
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$plainname = Apache::loncommon::aboutmewrapper( |
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$plainname, $uname, $udom); |
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} |
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return ['Portfolio files belonging to [_1]', $plainname]; |
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} |
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} |
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1; |
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__END__ |