version 1.80.8.11, 2019/07/28 01:08:50
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version 1.83, 2013/11/28 02:23:25
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Line 36 use LONCAPA;
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Line 36 use LONCAPA;
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use Apache::Constants qw(:common :http REDIRECT); |
use Apache::Constants qw(:common :http REDIRECT); |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon(); |
use Apache::loncommon(); |
use Apache::lonuserstate; |
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use Apache::lonlocal; |
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use HTML::TokeParser; |
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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Line 83 sub hash_src {
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Line 81 sub hash_src {
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my ($mapid,$resid)=split(/\./,$id); |
my ($mapid,$resid)=split(/\./,$id); |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
$resid,$hash{'src_'.$id}); |
$resid,$hash{'src_'.$id}); |
my $anchor; |
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if ($hash{'ext_'.$id} eq 'true:') { |
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if ($hash{'src_'.$id} =~ /(\#.+)$/) { |
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$anchor = $1; |
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} |
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} |
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if ($hash{'encrypted_'.$id}) { |
if ($hash{'encrypted_'.$id}) { |
return (&Apache::lonenc::encrypted($hash{'src_'.$id}), |
return (&Apache::lonenc::encrypted($hash{'src_'.$id}), |
&Apache::lonenc::encrypted($symb), |
&Apache::lonenc::encrypted($symb)); |
$hash{'encrypted_'.$id},$anchor); |
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} |
} |
return ($hash{'src_'.$id},$symb,$hash{'encrypted_'.$id},$anchor); |
return ($hash{'src_'.$id},$symb); |
} |
} |
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sub move { |
sub move { |
Line 255 sub first_accessible_resource {
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Line 246 sub first_accessible_resource {
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} |
} |
} |
} |
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sub check_http_req { |
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my ($srcref) = @_; |
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return unless (ref($srcref) eq 'SCALAR'); |
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my $usehttp; |
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if ($env{'request.course.id'}) { |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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if (($$srcref =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) && |
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($ENV{'SERVER_PORT'} == 443) && |
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($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) { |
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unless (&Apache::lonnet::uses_sts()) { |
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$$srcref .= (($$srcref =~/\?/)? '&':'?') . 'usehttp=1'; |
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$usehttp = 1; |
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} |
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} elsif (($$srcref =~ m{^\Q/adm/wrapper/ext/\E(?!https:)}) && |
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($ENV{'SERVER_PORT'} == 443)) { |
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unless (&Apache::lonnet::uses_sts()) { |
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my ($url,$anchor) = ($$srcref =~ /^([^\#]+)(?:|(\#[^\#]+))$/); |
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$$srcref = $url . (($$srcref =~/\?/)? '&':'?') . 'usehttp=1' .$anchor; |
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$usehttp = 1; |
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} |
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} |
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} |
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return $usehttp; |
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} |
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sub reinited_js { |
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my ($url,$cid,$timeout) = @_; |
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if (!$timeout) { |
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$timeout = 0; |
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} |
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return <<"END"; |
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<script type="text/javascript"> |
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// <![CDATA[ |
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setTimeout(function() { |
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var newurl = '$url'; |
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if (document.getElementById('LC_update_$cid')) { |
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document.getElementById('LC_update_$cid').style.display = 'none'; |
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} |
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if ((newurl !== null) && (newurl !== '') && (newurl !== 'undefined')) { |
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window.location.href = "$url"; |
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} |
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}, $timeout); |
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// ]]> |
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</script> |
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END |
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} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 319 sub handler {
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Line 262 sub handler {
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my %cachehash=(); |
my %cachehash=(); |
my $multichoice=0; |
my $multichoice=0; |
my %multichoicehash=(); |
my %multichoicehash=(); |
my %prog_state=(); |
my ($redirecturl,$redirectsymb); |
my ($redirecturl,$redirectsymb,$enc,$anchor); |
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my $next=''; |
my $next=''; |
my $hostname = $r->hostname(); |
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my @possibilities=(); |
my @possibilities=(); |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']); |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']); |
if (($env{'form.postdata'})&&($env{'request.course.fn'})) { |
if (($env{'form.postdata'})&&($env{'request.course.fn'})) { |
my ($direction,$currenturl) = ($env{'form.postdata'}=~/(\w+)\:(.*)/); |
$env{'form.postdata'}=~/(\w+)\:(.*)/; |
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my $direction=$1; |
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my $currenturl=$2; |
if ($currenturl=~m|^/enc/|) { |
if ($currenturl=~m|^/enc/|) { |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
} |
} |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
$currenturl=~s/^https?\:\/\///; |
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$currenturl=~s/^[^\/]+//; |
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my ($preupdatepos,$last,$reinitcheck); |
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if ($direction eq 'return') { |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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} |
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if ($env{'request.course.id'}) { |
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# Check if course needs to be re-initialized |
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my $loncaparev = $r->dir_config('lonVersion'); |
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($reinitcheck,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); |
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if ($reinitcheck eq 'switch') { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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$r->print(&Apache::loncommon::check_release_result(@reinit)); |
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return OK; |
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} elsif ($reinitcheck eq 'update') { |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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$preupdatepos = &Apache::lonnet::symbread($currenturl); |
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unless ($direction eq 'return') { |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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} |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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$r->print(&Apache::loncommon::start_page('Content Changed')); |
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my $preamble = '<div id="LC_update_'.$env{'request.course.id'}.'" class="LC_info">'. |
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'<br />'. |
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&mt('Your course session is being updated because of recent changes by course personnel.'). |
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' '.&mt('Please be patient.').'<br /></div>'. |
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'<div style="padding:0;clear:both;margin:0;border:0"></div>'; |
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%prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble); |
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&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course')); |
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my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); |
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&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished')); |
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if ($ferr) { |
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&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
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my $requrl = $r->uri; |
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$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
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$env{'user.reinit'} = 1; |
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return HTTP_NOT_ACCEPTABLE; |
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} else { |
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if ($last) { |
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my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
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unless (&Apache::lonnet::symbverify($last,$fn)) { |
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undef($last); |
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} |
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} |
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} |
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} |
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} |
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if ($direction eq 'firstres') { |
if ($direction eq 'firstres') { |
my $furl=&first_accessible_resource(); |
my $furl=&first_accessible_resource(); |
my $usehttp = &check_http_req(\$furl); |
&Apache::loncommon::content_type($r,'text/html'); |
if (($usehttp) && ($hostname ne '')) { |
$r->header_out(Location => |
$furl='http://'.$hostname.$furl; |
&Apache::lonnet::absolute_url().$furl); |
} else { |
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$furl=&Apache::lonnet::absolute_url().$furl; |
return REDIRECT; |
} |
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if ($reinitcheck eq 'update') { |
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&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
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$r->print(&reinited_js($furl,$env{'request.course.id'},100)); |
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$r->print(&Apache::loncommon::end_page()); |
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return OK; |
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} else { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => $furl); |
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return REDIRECT; |
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} |
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} |
} |
if ($direction eq 'return') { |
if ($direction eq 'return') { |
# -------------------------------------------------------- Return to last known |
# -------------------------------------------------------- Return to last known |
my ($newloc,$usehttp); |
my $last; |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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my $newloc; |
if (($last) && (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
if (($last) && (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640))) { |
&GDBM_READER(),0640))) { |
my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
$id=$hash{'map_pc_'.&Apache::lonnet::clutter($murl)}.'.'.$id; |
$id=$hash{'map_pc_'.&Apache::lonnet::clutter($murl)}.'.'.$id; |
$newloc=$hash{'src_'.$id}; |
$newloc=$hash{'src_'.$id}; |
if ($newloc) { |
if ($newloc) { |
$usehttp = &check_http_req(\$newloc); |
if ($hash{'encrypted_'.$id}) { $newloc=&Apache::lonenc::encrypted($newloc); } |
if ($hash{'encrypted_'.$id}) { |
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$newloc=&Apache::lonenc::encrypted($newloc); |
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} |
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if ($newloc =~ m{^(/adm/wrapper/ext/[^\#]+)(?:|(\#[^\#]+))$}) { |
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my ($url,$anchor) = ($1,$2); |
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if ($anchor) { |
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$newloc = $url.(($url=~/\?/)?'&':'?').'symb='.&escape($last).$anchor; |
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} |
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} |
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} else { |
} else { |
$newloc='/adm/navmaps'; |
$newloc='/adm/navmaps'; |
} |
} |
untie %hash; |
untie %hash; |
} else { |
} else { |
$newloc='/adm/navmaps'; |
$newloc='/adm/navmaps'; |
} |
} |
if (($usehttp) && ($hostname ne '')) { |
&Apache::loncommon::content_type($r,'text/html'); |
$newloc='http://'.$hostname.$newloc; |
$r->header_out(Location => |
} else { |
&Apache::lonnet::absolute_url().$newloc); |
$newloc=&Apache::lonnet::absolute_url().$newloc |
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} |
return REDIRECT; |
if ($reinitcheck eq 'update') { |
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$r->print(&reinited_js($newloc,$env{'request.course.id'},100)); |
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$r->print(&Apache::loncommon::end_page()); |
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return OK; |
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} else { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => $newloc); |
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return REDIRECT; |
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} |
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} |
} |
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$currenturl=~s/^https?\:\/\///; |
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$currenturl=~s/^[^\/]+//; |
# |
# |
# Is the current URL on the map? If not, start with last known URL |
# Is the current URL on the map? If not, start with last known URL |
# |
# |
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unless (&Apache::lonnet::is_on_map($currenturl)) { |
unless (&Apache::lonnet::is_on_map($currenturl)) { |
if ($preupdatepos) { |
my $last; |
undef($preupdatepos); |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
} elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
$last=$hash{'last_known'}; |
$last=$hash{'last_known'}; |
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untie(%hash); |
untie(%hash); |
} |
} |
if ($last) { |
if ($last) { |
$currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]); |
$currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]); |
} else { |
} else { |
my $newloc = &Apache::lonnet::absolute_url(). |
&Apache::loncommon::content_type($r,'text/html'); |
'/adm/navmaps'; |
$r->header_out(Location => |
if ($reinitcheck eq 'update') { |
&Apache::lonnet::absolute_url(). |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
'/adm/noidea.html'); |
$r->print(&reinited_js($newloc,$env{'request.course.id'},100)); |
return REDIRECT; |
$r->print(&Apache::loncommon::end_page()); |
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return OK; |
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} else { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => $newloc); |
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return REDIRECT; |
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} |
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} |
} |
} |
} |
# ------------------------------------------- Do we have any idea where we are? |
# ------------------------------------------- Do we have any idea where we are? |
my $position; |
my $position; |
if ($preupdatepos) { |
if ($position=Apache::lonnet::symbread($currenturl)) { |
$position = $preupdatepos; |
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} else { |
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$position=Apache::lonnet::symbread($currenturl); |
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} |
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if ($position) { |
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# ------------------------------------------------------------------------- Yes |
# ------------------------------------------------------------------------- Yes |
my ($startoutmap,$mapnum,$thisurl)=&Apache::lonnet::decode_symb($position); |
my ($startoutmap,$mapnum,$thisurl)=&Apache::lonnet::decode_symb($position); |
$cachehash{$startoutmap}{$thisurl}=[$thisurl,$mapnum]; |
$cachehash{$startoutmap}{$thisurl}=[$thisurl,$mapnum]; |
Line 508 sub handler {
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Line 359 sub handler {
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@possibilities=split(/\,/,$next); |
@possibilities=split(/\,/,$next); |
if ($#possibilities==0) { |
if ($#possibilities==0) { |
# ---------------------------------------------- Only one possibility, redirect |
# ---------------------------------------------- Only one possibility, redirect |
($redirecturl,$redirectsymb,$enc,$anchor)=&hash_src($next); |
($redirecturl,$redirectsymb)=&hash_src($next); |
$cachehash{$endupmap}{$redirecturl}= |
$cachehash{$endupmap}{$redirecturl}= |
[$redirecturl,(split(/\./,$next))[1]]; |
[$redirecturl,(split(/\./,$next))[1]]; |
} else { |
} else { |
Line 538 sub handler {
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Line 389 sub handler {
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untie(%hash); |
untie(%hash); |
# --------------------------------------------------------- Store position info |
# --------------------------------------------------------- Store position info |
$cachehash{$startoutmap}{'last_direction'}=[$direction,'notasymb']; |
$cachehash{$startoutmap}{'last_direction'}=[$direction,'notasymb']; |
foreach my $thismap (keys(%cachehash)) { |
foreach my $thismap (keys %cachehash) { |
my $mapnum=$cachehash{$thismap}->{'mapnum'}; |
my $mapnum=$cachehash{$thismap}->{'mapnum'}; |
delete($cachehash{$thismap}->{'mapnum'}); |
delete($cachehash{$thismap}->{'mapnum'}); |
&Apache::lonnet::symblist($thismap, |
&Apache::lonnet::symblist($thismap, |
Line 553 sub handler {
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Line 404 sub handler {
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if ($direction eq 'back') { |
if ($direction eq 'back') { |
&Apache::lonnet::linklog($redirecturl,$currenturl); |
&Apache::lonnet::linklog($redirecturl,$currenturl); |
} |
} |
# ------------------------------------- Check for and display critical messages |
# ------------------------------------------------- Check for critical messages |
my ($redirect, $url) = &Apache::loncommon::critical_redirect(300); |
if ((time-$env{'user.criticalcheck.time'})>300) { |
unless ($redirect) { |
my @what=&Apache::lonnet::dump |
my $usehttp = &check_http_req(\$redirecturl); |
('critical',$env{'user.domain'}, |
if (($usehttp) && ($hostname ne '')) { |
$env{'user.name'}); |
$url='http://'.$hostname.$redirecturl; |
if ($what[0]) { |
} else { |
if (($what[0] ne 'con_lost') && |
$url=&Apache::lonnet::absolute_url().$redirecturl; |
($what[0]!~/^error\:/)) { |
} |
$redirecturl='/adm/email?critical=display'; |
my $addanchor; |
$redirectsymb=''; |
if (($anchor ne '') && (!$enc || $env{'request.role.adv'})) { |
} |
$addanchor = 1; |
} |
$url =~ s/\#.+$//; |
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); |
} |
} |
$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
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if ($addanchor) { |
&Apache::loncommon::content_type($r,'text/html'); |
$url .= $anchor; |
my $url=&Apache::lonnet::absolute_url().$redirecturl; |
} |
$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
} |
$r->header_out(Location => $url); |
if ($reinitcheck eq 'update') { |
return REDIRECT; |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
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$r->print(&reinited_js($url,$env{'request.course.id'},100)); |
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$r->print(&Apache::loncommon::end_page()); |
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return OK; |
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} else { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => $url); |
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return REDIRECT; |
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} |
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} else { |
} else { |
# --------------------------------------------------------- There was a problem |
# --------------------------------------------------------- There was a problem |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
Line 596 sub handler {
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Line 438 sub handler {
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'pick' => |
'pick' => |
'Please click on the the resource you intend to access', |
'Please click on the the resource you intend to access', |
'titleheader' => 'Title', |
'titleheader' => 'Title', |
'type' => 'Type', |
'type' => 'Type'); |
'update' => 'Content updated', |
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'expupdate' => 'As a result of a recent update to the sequence of materials, it is not possible to complete the page flip.', |
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'gonav' => 'Go to the Contents page to select a resource to display.'); |
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if (&Apache::loncommon::course_type() eq 'Community') { |
if (&Apache::loncommon::course_type() eq 'Community') { |
$lt{'nav'} = &mt('Community Contents'); |
$lt{'nav'} = &mt('Community Contents'); |
} |
} |
Line 616 $lt{'pick'}:
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Line 455 $lt{'pick'}:
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<tr><th>$lt{'titleheader'}</th><th>$lt{'type'}</th></tr> |
<tr><th>$lt{'titleheader'}</th><th>$lt{'type'}</th></tr> |
ENDSTART |
ENDSTART |
foreach my $id (@possibilities) { |
foreach my $id (@possibilities) { |
my $src = $multichoicehash{'src_'.$id}; |
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my $usehttp = &check_http_req(\$src); |
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if (($usehttp) && ($hostname ne '')) { |
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$src = 'http://'.$hostname.$src; |
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} |
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$r->print( |
$r->print( |
'<tr><td><a href="'. |
'<tr><td><a href="'. |
&add_get_param($src, |
&add_get_param($multichoicehash{'src_'.$id}, |
{'symb' => |
{'symb' => |
$multichoicehash{'symb_'.$id}, |
$multichoicehash{'symb_'.$id}, |
}).'">'. |
}).'">'. |
Line 633 ENDSTART
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Line 467 ENDSTART
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} |
} |
$r->print('</table>'); |
$r->print('</table>'); |
} else { |
} else { |
if ($reinitcheck) { |
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if (&Apache::loncommon::course_type() eq 'Community') { |
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$r->print( |
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&Apache::loncommon::start_page('Community Contents Updated')); |
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} else { |
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$r->print( |
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&Apache::loncommon::start_page('Course Contents Updated')); |
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} |
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$r->print('<h2>'.$lt{'update'}.'</h2>' |
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.'<p>'.$lt{'expupdate'}.'<br />' |
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.$lt{'gonav'}.'</p>'); |
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} else { |
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$r->print( |
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&Apache::loncommon::start_page('No Resource') |
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.'<h2>'.$lt{'title'}.'</h2>' |
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.'<p>'.$lt{'explain'}.'</p>'); |
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} |
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} |
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if ((!@possibilities) && ($reinitcheck)) { |
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$r->print( |
$r->print( |
&Apache::lonhtmlcommon::actionbox( |
&Apache::loncommon::start_page('No Resource') |
['<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
.'<h2>'.$lt{'title'}.'</h2>' |
])); |
.'<p>'.$lt{'explain'}.'</p>'); |
} else { |
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$r->print( |
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&Apache::lonhtmlcommon::actionbox( |
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['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>', |
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'<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
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])); |
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} |
} |
$r->print(&Apache::loncommon::end_page()); |
$r->print( |
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&Apache::lonhtmlcommon::actionbox( |
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['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>', |
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'<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
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]) |
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.&Apache::loncommon::end_page()); |
return OK; |
return OK; |
} |
} |
} else { |
} else { |
# ------------------------------------------------- Problem, could not tie hash |
# ------------------------------------------------- Problem, could not tie hash |
if ($reinitcheck eq 'update') { |
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&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
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$r->print(&Apache::loncommon::end_page()); |
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} |
|
$env{'user.error.msg'}="/adm/flip:bre:0:1:Course Data Missing"; |
$env{'user.error.msg'}="/adm/flip:bre:0:1:Course Data Missing"; |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
} else { |
} else { |
# ---------------------------------------- No, could not determine where we are |
# ---------------------------------------- No, could not determine where we are |
my $newloc = '/adm/ambiguous'; |
$r->internal_redirect('/adm/ambiguous'); |
if ($reinitcheck eq 'update') { |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
$r->print(&reinited_js($newloc,$env{'request.course.id'},100)); |
|
$r->print(&Apache::loncommon::end_page()); |
|
} else { |
|
$r->internal_redirect($newloc); |
|
} |
|
return OK; |
return OK; |
} |
} |
} else { |
} else { |