version 1.5, 2001/12/29 21:09:47
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version 1.49, 2015/03/12 00:50:10
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# |
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
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# |
# (Cookie Based Access Handler |
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# 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11, |
=head1 NAME |
# 01/06,01/13 Gerd Kortemeyer) |
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# 05/31,11/29,12/29 Gerd Kortemeyer |
Apache::lonlogout |
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=head1 SYNOPSIS |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=cut |
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package Apache::lonlogout; |
package Apache::lonlogout; |
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Line 38 use Apache::File;
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Line 47 use Apache::File;
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use Apache::lonnet; |
use Apache::lonnet; |
use Apache::lonmenu; |
use Apache::lonmenu; |
use CGI::Cookie(); |
use CGI::Cookie(); |
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use Apache::lonlocal; |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
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#Check for cookie |
my $requrl=$r->uri; |
my $requrl=$r->uri; |
my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); |
my $handle = &Apache::lonnet::check_for_valid_session($r); |
my $lonid=$cookies{'lonID'}; |
#check if cookie still valid |
my $cookie; |
if ($handle eq '') { |
if ($lonid) { |
$r->log_reason("Cookie $handle not valid", $r->filename); |
my $handle=$lonid->value; |
return FORBIDDEN; |
$handle=~s/\W//g; |
} |
my $lonidsdir=$r->dir_config('lonIDsDir'); |
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if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { |
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my @profile; |
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my %sessionhash; |
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{ |
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my $idf=Apache::File->new("$lonidsdir/$handle.id"); |
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@profile=<$idf>; |
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} |
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my $envi; |
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for ($envi=0;$envi<=$#profile;$envi++) { |
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chomp($profile[$envi]); |
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my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
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$sessionhash{$envname}=$envvalue; |
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} |
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unlink("$lonidsdir/$handle.id"); |
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my %temp=('logout' => time); |
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&Apache::lonnet::put('email_status',\%temp); |
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&Apache::lonnet::log($sessionhash{'user.domain'}, |
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$sessionhash{'user.name'}, |
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$sessionhash{'user.home'}, |
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"Logout $ENV{'REMOTE_ADDR'}"); |
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$r->content_type('text/html'); |
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$r->send_http_header; |
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return OK if $r->header_only; |
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# -------------------------------------------------------- Menu script and info |
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my $windowinfo=&Apache::lonmenu::close(); |
#we've got a valid user |
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#any locks in place? |
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my $locknum=&Apache::lonnet::get_locks(); |
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if ($locknum) { return 409; } |
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#nope, go ahead |
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my @profile; |
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my $lonidsdir=$r->dir_config('lonIDsDir'); |
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&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); |
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unlink("$lonidsdir/$handle.id"); |
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if (!$Apache::lonlocal::lh) { |
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&Apache::lonlocal::get_language_handle($r); |
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} |
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my %temp=('logout' => time); |
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&Apache::lonnet::put('email_status',\%temp); |
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&Apache::lonnet::log($env{'user.domain'}, |
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$env{'user.name'}, |
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$env{'user.home'}, |
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"Logout $ENV{'REMOTE_ADDR'}"); |
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&Apache::loncommon::content_type($r,'text/html'); |
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#expire the cookie |
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my $c = new CGI::Cookie(-name => 'lonID', |
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-value => '', |
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-expires => '-10y',); |
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$r->header_out('Set-cookie' => $c); |
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# --------------------------------------------------------------- Screen Output |
$r->send_http_header; |
$r->print(<<ENDDOCUMENT); |
return OK if $r->header_only; |
<html> |
# -------------------------------------------------------- Menu script and info |
<head><title>The LearningOnline Network with CAPA Logout</title></head> |
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<body bgcolor="#FFFFFF"> |
# ---------------------------------------------------------------- Get handover |
$windowinfo |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']); |
<h1>Goodbye!</h1></body> |
my $switch=''; |
</html> |
my $start_page=''; |
ENDDOCUMENT |
my $relogmessage=''; |
&Apache::lonnet::flushcourselogs(); |
if ($env{'form.handover'}) { |
return OK; |
$switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='. |
} else { |
$env{'form.handover'}.'" />'; |
$r->log_reason("Cookie $handle not valid", $r->filename); |
$start_page=&Apache::loncommon::start_page('Switching Server ...', |
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$switch); |
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} else { |
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my $domain = $env{'user.domain'}; |
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my $headextra; |
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if ($env{'request.sso.login'} |
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&& defined($r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) { |
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if (open(my $fh,$r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) { |
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$headextra = join('',<$fh>); |
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close($fh); |
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} |
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} |
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if ($env{'request.sso.login'} |
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&& defined($r->dir_config('lonSSOUserLogoutHeadFile'))) { |
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if (open(my $fh,$r->dir_config('lonSSOUserLogoutHeadFile'))) { |
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$headextra.= join('',<$fh>); |
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close($fh); |
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} |
} |
} |
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$start_page=&Apache::loncommon::start_page('Logged Out',$headextra, |
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{'no_nav_bar' => 1,}); |
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$relogmessage.='<h1>'.&mt('Goodbye').'</h1>' |
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.'<p>'.&mt('Thank you for using LON-CAPA.').'</p>'; |
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if (!$env{'request.sso.norelogin'}) { |
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my ($relogin_server,$login_url); |
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if ($env{'request.sso.reloginserver'}) { |
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$relogin_server = $env{'request.sso.reloginserver'}; |
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} else { |
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my %domdefaults = &Apache::lonnet::get_domain_defaults($domain); |
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if ($domdefaults{'portal_def'}) { |
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$login_url = $domdefaults{'portal_def'}; |
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} else { |
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my $checkloginvia = 1; |
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my ($lonhost,$server,$path,$isredirect) = |
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&Apache::lonnet::choose_server($domain,$checkloginvia); |
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if ($server && $lonhost) { |
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$login_url = $Apache::lonnet::protocol{$lonhost}. |
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'://'.$server.$path; |
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if (($path eq '') && (!$isredirect)) { |
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my $serverhomeID = |
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&Apache::lonnet::get_server_homeID($server); |
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my $serverhomedom = |
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&Apache::lonnet::host_domain($serverhomeID); |
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if ($serverhomedom ne $domain) { |
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$path = '/adm/login'; |
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$login_url .= $path; |
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} |
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} |
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if ($path eq '/adm/login' && $domain ne '') { |
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$login_url .= '?domain='.$domain; |
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} |
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} |
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} |
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} |
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if ($login_url eq '') { |
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$login_url = $relogin_server.'/adm/'. |
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($env{'request.sso.login'} ? 'roles': 'login?domain='.$domain); |
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} |
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$relogmessage.='<p>'.&mt('You have been successfully logged out.').' ' |
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.&mt('You can [_1]close this window[_2] now.' |
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,'','') # ,'<a href="javascript:self.close();">','</a>') |
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.'</p>'; |
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=pod |
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=head1 NOTES: |
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'<a href="javascript:self.close();">','</a>' |
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Due to security reasons in new web browsers a window could only be closed with javascript, if this window has also been opened with javascript. This is not done here which means that in most cases the close link will not work. Unless we find another solution, this link should not be offered. (Stefan Bisitz, 2008-08-01) |
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=cut |
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$relogmessage.='<p>'.&mt('[_1]Log in again[_2]' |
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,'<a href="'.$login_url.'">','</a>') |
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.'</p>'; |
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} |
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if ($env{'request.sso.login'} |
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&& defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) { |
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if (open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) { |
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$relogmessage.= join('',<$fh>); |
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close($fh); |
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} |
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} |
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if ($env{'request.sso.login'} |
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&& defined($r->dir_config('lonSSOUserLogoutMessageFile'))) { |
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if (open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'))) { |
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$relogmessage.= join('',<$fh>); |
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close($fh); |
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} |
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} |
} |
} |
return FORBIDDEN; |
my $end_page=&Apache::loncommon::end_page(); |
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# --------------------------------------------------------------- Screen Output |
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$r->print(<<ENDDOCUMENT); |
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$start_page |
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$relogmessage |
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$end_page |
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ENDDOCUMENT |
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$r->register_cleanup(\&flush_course_logs); |
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return OK; |
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} |
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sub flush_course_logs { |
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&Apache::lonnet::flushcourselogs(); |
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return OK; |
} |
} |
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1; |
1; |
Line 100 __END__
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Line 213 __END__
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