version 1.20, 2023/06/04 00:36:18
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version 1.23, 2024/11/17 04:48:15
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Line 99 sub handler {
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Line 99 sub handler {
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} |
} |
if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { |
if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { |
# Check for ttoken |
# Check for ttoken |
my $newlauncher = &launch_check($r->uri,$symb); |
my $newlauncher = &launch_check($r->uri,$symb,$cdom,$cnum); |
my ($map,$resid,$url) = &Apache::lonnet::decode_symb($symb); |
my ($map,$resid,$url) = &Apache::lonnet::decode_symb($symb); |
if (&Apache::lonnet::is_on_map($url)) { |
if (&Apache::lonnet::is_on_map($url)) { |
my $realuri; |
my $realuri; |
Line 307 sub handler {
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Line 307 sub handler {
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} |
} |
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sub launch_check { |
sub launch_check { |
my ($linkuri,$symb) = @_; |
my ($linkuri,$symb,$cdom,$cnum) = @_; |
my ($linkprotector,$linkproturi,$linkprotexit,$linkprotpbid,$linkprotpburl,$linkkey,$newlauncher); |
my ($linkprotector,$linkproturi,$linkprotexit,$linkprotpbid,$linkprotpburl, |
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$linkkey,$newlauncher,$prevlaunch); |
if ($env{'form.ttoken'}) { |
if ($env{'form.ttoken'}) { |
my %link_info = &Apache::lonnet::tmpget($env{'form.ttoken'}); |
my %link_info = &Apache::lonnet::tmpget($env{'form.ttoken'}); |
&Apache::lonnet::tmpdel($env{'form.ttoken'}); |
&Apache::lonnet::tmpdel($env{'form.ttoken'}); |
Line 380 sub launch_check {
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Line 381 sub launch_check {
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if ($link_info{'checklaunch'}) { |
if ($link_info{'checklaunch'}) { |
$newlauncher = 1; |
$newlauncher = 1; |
} |
} |
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if ($link_info{'prevlaunch'} ne '') { |
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$prevlaunch = $link_info{'prevlaunch'}; |
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} |
} |
} |
my $currdeeplinklogin = $env{'request.deeplink.login'}; |
my $currdeeplinklogin = $env{'request.deeplink.login'}; |
my $deeplink; |
my $deeplink; |
Line 438 sub launch_check {
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Line 442 sub launch_check {
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} else { |
} else { |
unless ($currdeeplinklogin eq $linkuri) { |
unless ($currdeeplinklogin eq $linkuri) { |
if (($linkprotector) || ($linkkey ne '')) { |
if (($linkprotector) || ($linkkey ne '')) { |
if ($linkprotector) { |
$newlauncher = 1; |
&Apache::lonnet::appenv({'request.linkprot' => $linkprotector.':'.$linkproturi}); |
} |
} elsif ($env{'request.linkprot'}) { |
} |
&Apache::lonnet::delenv('request.linkprot'); |
if ($linkprotector) { |
} |
&Apache::lonnet::appenv({'request.linkprot' => $linkprotector.':'.$linkproturi}); |
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if ($linkprotpburl && $linkprotpbid) { |
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my ($res,$error) = &store_passback_info($cdom,$cnum,$linkuri,$linkprotector, |
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$scope,$symb,$linkprotpbid,$linkprotpburl, |
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$currdeeplinklogin); |
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} |
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} elsif ($env{'request.linkprot'}) { |
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&Apache::lonnet::delenv('request.linkprot'); |
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} |
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if ($linkkey ne '') { |
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&Apache::lonnet::appenv({'request.linkkey' => $linkkey}); |
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} elsif ($env{'request.linkkey'} ne '') { |
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&Apache::lonnet::delenv('request.linkkey'); |
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} |
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if (($linkprotector) || ($linkkey ne '')) { |
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if ($linkprotexit ne $env{'request.linkprotexit'}) { |
if ($linkprotexit) { |
if ($linkprotexit) { |
&Apache::lonnet::appenv({'request.linkprotexit' => $linkprotexit}); |
&Apache::lonnet::appenv({'request.linkprotexit' => $linkprotexit}); |
} elsif ($env{'request.linkprotexit'}) { |
} elsif ($env{'request.linkprotexit'}) { |
&Apache::lonnet::delenv('request.linkprotexit'); |
&Apache::lonnet::delenv('request.linkprotexit'); |
} |
} |
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} |
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if ($linkprotpbid ne $env{'request.linkprotpbid'}) { |
if ($linkprotpbid) { |
if ($linkprotpbid) { |
&Apache::lonnet::appenv({'request.linkprotpbid' => $linkprotpbid}); |
&Apache::lonnet::appenv({'request.linkprotpbid' => $linkprotpbid}); |
} elsif ($env{'request.linkprotpbid'}) { |
} elsif ($env{'request.linkprotpbid'}) { |
&Apache::lonnet::delenv('request.linkprotpbid'); |
&Apache::lonnet::delenv('request.linkprotpbid'); |
} |
} |
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} |
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if ($linkprotpburl ne $env{'request.linkprotpburl'}) { |
if ($linkprotpburl) { |
if ($linkprotpburl) { |
&Apache::lonnet::appenv({'request.linkprotpburl' => $linkprotpburl}); |
&Apache::lonnet::appenv({'request.linkprotpburl' => $linkprotpburl}); |
} elsif ($env{'request.linkprotpburl'}) { |
} elsif ($env{'request.linkprotpburl'}) { |
&Apache::lonnet::delenv('request.linkprotpburl'); |
&Apache::lonnet::delenv('request.linkprotpburl'); |
} |
} |
if ($linkkey ne '') { |
} |
&Apache::lonnet::appenv({'request.linkkey' => $linkkey}); |
} elsif ($prevlaunch) { |
} elsif ($env{'request.linkkey'} ne '') { |
foreach my $requestkey ('linkprotpbid','linkprotpburl','linkprotexit') { |
&Apache::lonnet::delenv('request.linkkey'); |
if ($env{"request.$requestkey"}) { |
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&Apache::lonnet::delenv("request.$requestkey"); |
} |
} |
$newlauncher = 1; |
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} |
} |
} |
} |
&Apache::lonnet::appenv({'request.deeplink.login' => $linkuri}); |
&Apache::lonnet::appenv({'request.deeplink.login' => $linkuri}); |
Line 507 sub launch_check {
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Line 530 sub launch_check {
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return $newlauncher; |
return $newlauncher; |
} |
} |
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# |
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# Store linkprotpburl and linkprotpbid in user's nohist_$cid_linkprot_pb.db |
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# $linkuri\0$linkprotector\0$scope = [$linkprotpbid,$linkprotpburl] |
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# Separately store $symb in course's nohist_linkprot_passback.db |
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# which should trigger passback: |
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# $symb => {$linkuri\0$linkprotector\0$scope => 1}; |
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# |
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sub store_passback_info { |
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my ($cdom,$cnum,$linkuri,$linkprotector,$scope,$symb, |
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$linkprotpbid,$linkprotpburl,$currdeeplinklogin) = @_; |
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my $key = join("\0",($linkuri,$linkprotector,$scope)); |
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my $namespace = 'nohist_'.$cdom.'_'.$cnum.'_linkprot_pb'; |
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if ($linkuri eq $currdeeplinklogin) { |
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my %pbinfo = &Apache::lonnet::get($namespace,[$key]); |
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if (ref($pbinfo{$key}) eq 'ARRAY') { |
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if (($pbinfo{$key}[0] eq $linkprotpbid) && |
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($pbinfo{$key}[1] eq $linkprotpburl)) { |
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return ('ok'); |
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} |
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} |
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} |
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my $now = time; |
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my $result = &Apache::lonnet::cput($namespace,{$key => [$linkprotpbid,$linkprotpburl]}); |
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my $error; |
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if (($result eq 'ok') || ($result eq 'con_delayed')) { |
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$namespace = 'nohist_linkprot_passback'; |
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my %triggers = &Apache::lonnet::get($namespace,[$symb],$cdom,$cnum); |
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my $newtrigger; |
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if ((exists($triggers{$symb})) && (ref($triggers{$symb}) eq 'HASH')) { |
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unless (exists($triggers{$symb}{$key})) { |
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$newtrigger = 1; |
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} |
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} else { |
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$newtrigger = 1; |
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} |
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if ($newtrigger) { |
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my ($lockhash,$tries,$gotlock); |
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$lockhash = { |
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lock => $env{'user.name'}. |
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':'.$env{'user.domain'}, |
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}; |
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$tries = 0; |
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$gotlock = &Apache::lonnet::newput($namespace,$lockhash,$cdom,$cnum); |
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while (($gotlock ne 'ok') && ($tries<10)) { |
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$tries ++; |
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sleep (0.1); |
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$gotlock = &Apache::lonnet::newput($namespace,$lockhash,$cdom,$cnum); |
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} |
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if ($gotlock eq 'ok') { |
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%triggers = &Apache::lonnet::get($namespace,[$symb],$cdom,$cnum); |
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$triggers{$symb}{$key} = 1; |
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$result = &Apache::lonnet::cput($namespace,{$symb => $triggers{$symb}},$cdom,$cnum); |
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my $dellockoutcome = &Apache::lonnet::del($namespace,['lock'],$cdom,$cnum); |
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} else { |
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$error = 'nolock'; |
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} |
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} |
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} |
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return ($result,$error); |
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} |
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sub do_redirect { |
sub do_redirect { |
my ($r,$destination,$linkprot) = @_; |
my ($r,$destination,$linkprot) = @_; |
my $windowname = 'loncapaclient'; |
my $windowname = 'loncapaclient'; |