version 1.1387, 2018/11/01 04:33:11
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version 1.1397, 2018/12/27 18:14:50
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Line 73 package Apache::lonnet;
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Line 73 package Apache::lonnet;
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use strict; |
use strict; |
use HTTP::Date; |
use HTTP::Date; |
use Image::Magick; |
use Image::Magick; |
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use CGI::Cookie; |
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use Encode; |
use Encode; |
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Line 237 sub get_servercerts_info {
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Line 237 sub get_servercerts_info {
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} |
} |
return if ($hostname eq ''); |
return if ($hostname eq ''); |
my ($rep,$uselocal); |
my ($rep,$uselocal); |
if (context eq 'install') { |
if ($context eq 'install') { |
$uselocal = 1; |
$uselocal = 1; |
} elsif (grep { $_ eq $lonhost } ¤t_machine_ids()) { |
} elsif (grep { $_ eq $lonhost } ¤t_machine_ids()) { |
$uselocal = 1; |
$uselocal = 1; |
Line 311 sub get_server_loncaparev {
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Line 311 sub get_server_loncaparev {
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$answer = &reply('serverloncaparev',$lonhost); |
$answer = &reply('serverloncaparev',$lonhost); |
if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) { |
if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) { |
if ($caller eq 'loncron') { |
if ($caller eq 'loncron') { |
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my $hostname = &hostname($lonhost); |
my $protocol = $protocol{$lonhost}; |
my $protocol = $protocol{$lonhost}; |
$protocol = 'http' if ($protocol ne 'https'); |
$protocol = 'http' if ($protocol ne 'https'); |
my $url = $protocol.'://'.&hostname($lonhost).'/adm/about.html'; |
my $url = $protocol.'://'.$hostname.'/adm/about.html'; |
my $request=new HTTP::Request('GET',$url); |
my $request=new HTTP::Request('GET',$url); |
my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,4,1); |
my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,4,1); |
unless ($response->is_error()) { |
unless ($response->is_error()) { |
Line 458 sub reply {
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Line 459 sub reply {
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unless (defined(&hostname($server))) { return 'no_such_host'; } |
unless (defined(&hostname($server))) { return 'no_such_host'; } |
my $answer=subreply($cmd,$server); |
my $answer=subreply($cmd,$server); |
if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
&logthis("<font color=\"blue\">WARNING:". |
my $logged = $cmd; |
" $cmd to $server returned $answer</font>"); |
if ($cmd =~ /^encrypt:([^:]+):/) { |
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my $subcmd = $1; |
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if (($subcmd eq 'auth') || ($subcmd eq 'passwd') || |
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($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') || |
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($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) { |
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(undef,undef,my @rest) = split(/:/,$cmd); |
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if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) { |
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splice(@rest,2,1,'Hidden'); |
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} elsif ($subcmd eq 'passwd') { |
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splice(@rest,2,2,('Hidden','Hidden')); |
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} elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') || |
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($subcmd eq 'autoexportgrades')) { |
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splice(@rest,3,1,'Hidden'); |
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} |
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$logged = join(':',('encrypt:'.$subcmd,@rest)); |
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} |
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} |
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&logthis("<font color=\"blue\">WARNING:". |
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" $logged to $server returned $answer</font>"); |
} |
} |
return $answer; |
return $answer; |
} |
} |
Line 711 sub check_for_valid_session {
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Line 730 sub check_for_valid_session {
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if (!defined($disk_env{'user.name'}) |
if (!defined($disk_env{'user.name'}) |
|| !defined($disk_env{'user.domain'})) { |
|| !defined($disk_env{'user.domain'})) { |
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untie(%disk_env); |
return undef; |
return undef; |
} |
} |
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Line 723 sub check_for_valid_session {
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Line 743 sub check_for_valid_session {
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$userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'}; |
$userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'}; |
} |
} |
} |
} |
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untie(%disk_env); |
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return $handle; |
return $handle; |
} |
} |
Line 747 sub timed_flock {
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Line 768 sub timed_flock {
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} |
} |
} |
} |
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sub get_sessionfile_vars { |
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my ($handle,$lonidsdir,$storearr) = @_; |
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my %returnhash; |
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unless (ref($storearr) eq 'ARRAY') { |
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return %returnhash; |
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} |
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if (-l "$lonidsdir/$handle.id") { |
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my $link = readlink("$lonidsdir/$handle.id"); |
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if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) { |
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$handle = $1; |
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} |
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} |
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if ((-e "$lonidsdir/$handle.id") && |
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($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) { |
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my ($possuname,$possudom,$possuhome) = ($1,$2,$3); |
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if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) { |
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if (open(my $idf,'+<',"$lonidsdir/$handle.id")) { |
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flock($idf,LOCK_SH); |
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if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id", |
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&GDBM_READER(),0640)) { |
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foreach my $item (@{$storearr}) { |
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$returnhash{$item} = $disk_env{$item}; |
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} |
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untie(%disk_env); |
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} |
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} |
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} |
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} |
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return %returnhash; |
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} |
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# ---------------------------------------------------------- Append Environment |
# ---------------------------------------------------------- Append Environment |
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sub appenv { |
sub appenv { |
Line 900 sub userload {
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Line 952 sub userload {
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while ($filename=readdir(LONIDS)) { |
while ($filename=readdir(LONIDS)) { |
next if ($filename eq '.' || $filename eq '..'); |
next if ($filename eq '.' || $filename eq '..'); |
next if ($filename =~ /publicuser_\d+\.id/); |
next if ($filename =~ /publicuser_\d+\.id/); |
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next if ($filename =~ /^[a-f0-9]+_linked\.id$/); |
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
if ($curtime-$mtime < 1800) { $numusers++; } |
if ($curtime-$mtime < 1800) { $numusers++; } |
} |
} |
Line 955 sub spareserver {
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Line 1008 sub spareserver {
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} |
} |
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if (!$want_server_name) { |
if (!$want_server_name) { |
my $protocol = 'http'; |
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if ($protocol{$spare_server} eq 'https') { |
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$protocol = $protocol{$spare_server}; |
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} |
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if (defined($spare_server)) { |
if (defined($spare_server)) { |
my $hostname = &hostname($spare_server); |
my $hostname = &hostname($spare_server); |
if (defined($hostname)) { |
if (defined($hostname)) { |
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my $protocol = 'http'; |
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if ($protocol{$spare_server} eq 'https') { |
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$protocol = $protocol{$spare_server}; |
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} |
$spare_server = $protocol.'://'.$hostname; |
$spare_server = $protocol.'://'.$hostname; |
} |
} |
} |
} |
Line 1028 sub find_existing_session {
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Line 1081 sub find_existing_session {
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return; |
return; |
} |
} |
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# check if user's browser sent load balancer cookie and server still has session |
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# and is not overloaded. |
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sub check_for_balancer_cookie { |
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my ($r,$update_mtime) = @_; |
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my ($otherserver,$cookie); |
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my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); |
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if (exists($cookies{'balanceID'})) { |
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my $balid = $cookies{'balanceID'}; |
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$cookie=&LONCAPA::clean_handle($balid->value); |
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my $balancedir=$r->dir_config('lonBalanceDir'); |
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if ((-d $balancedir) && (-e "$balancedir/$cookie.id")) { |
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if ($cookie =~ /^($match_domain)_($match_username)_[a-f0-9]+$/) { |
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my ($possudom,$possuname) = ($1,$2); |
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my $has_session = 0; |
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if ((&domain($possudom) ne '') && |
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(&homeserver($possuname,$possudom) ne 'no_host')) { |
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my $try_server; |
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my $opened = open(my $idf,'+<',"$balancedir/$cookie.id"); |
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if ($opened) { |
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flock($idf,LOCK_SH); |
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while (my $line = <$idf>) { |
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chomp($line); |
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if (&hostname($line) ne '') { |
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$try_server = $line; |
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last; |
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} |
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} |
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close($idf); |
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if (($try_server) && |
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(&has_user_session($try_server,$possudom,$possuname))) { |
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my $lowest_load = 30000; |
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($otherserver,$lowest_load) = |
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&compare_server_load($try_server,undef,$lowest_load); |
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if ($otherserver ne '' && $lowest_load < 100) { |
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$has_session = 1; |
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} else { |
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undef($otherserver); |
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} |
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} |
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} |
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} |
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if ($has_session) { |
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if ($update_mtime) { |
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my $atime = my $mtime = time; |
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utime($atime,$mtime,"$balancedir/$cookie.id"); |
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} |
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} else { |
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unlink("$balancedir/$cookie.id"); |
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} |
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} |
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} |
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} |
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return ($otherserver,$cookie); |
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} |
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sub delbalcookie { |
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my ($cookie,$balancer) =@_; |
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if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) { |
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my ($udom,$uname) = ($1,$2); |
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my $uprimary_id = &domain($udom,'primary'); |
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my $uintdom = &internet_dom($uprimary_id); |
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my $intdom = &internet_dom($balancer); |
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my $serverhomedom = &host_domain($balancer); |
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if (($uintdom ne '') && ($uintdom eq $intdom)) { |
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return &reply("delbalcookie:$cookie",$balancer); |
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} |
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} |
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} |
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# -------------------------------- ask if server already has a session for user |
# -------------------------------- ask if server already has a session for user |
sub has_user_session { |
sub has_user_session { |
my ($lonid,$udom,$uname) = @_; |
my ($lonid,$udom,$uname) = @_; |
Line 1063 sub choose_server {
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Line 1185 sub choose_server {
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if (ref($balancers) eq 'HASH') { |
if (ref($balancers) eq 'HASH') { |
next if (exists($balancers->{$lonhost})); |
next if (exists($balancers->{$lonhost})); |
} |
} |
} |
} |
my $loginvia; |
my $loginvia; |
if ($checkloginvia) { |
if ($checkloginvia) { |
$loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; |
$loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; |
Line 1365 sub get_lonbalancer_config {
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Line 1487 sub get_lonbalancer_config {
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sub check_loadbalancing { |
sub check_loadbalancing { |
my ($uname,$udom,$caller) = @_; |
my ($uname,$udom,$caller) = @_; |
my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom, |
my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom, |
$rule_in_effect,$offloadto,$otherserver); |
$rule_in_effect,$offloadto,$otherserver,$setcookie,$dom_balancers); |
my $lonhost = $perlvar{'lonHostID'}; |
my $lonhost = $perlvar{'lonHostID'}; |
my @hosts = ¤t_machine_ids(); |
my @hosts = ¤t_machine_ids(); |
my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
Line 1392 sub check_loadbalancing {
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Line 1514 sub check_loadbalancing {
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} |
} |
} |
} |
if (ref($result) eq 'HASH') { |
if (ref($result) eq 'HASH') { |
($is_balancer,$currtargets,$currrules) = |
($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) = |
&check_balancer_result($result,@hosts); |
&check_balancer_result($result,@hosts); |
if ($is_balancer) { |
if ($is_balancer) { |
if (ref($currrules) eq 'HASH') { |
if (ref($currrules) eq 'HASH') { |
Line 1453 sub check_loadbalancing {
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Line 1575 sub check_loadbalancing {
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} |
} |
} |
} |
if (ref($result) eq 'HASH') { |
if (ref($result) eq 'HASH') { |
($is_balancer,$currtargets,$currrules) = |
($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) = |
&check_balancer_result($result,@hosts); |
&check_balancer_result($result,@hosts); |
if ($is_balancer) { |
if ($is_balancer) { |
if (ref($currrules) eq 'HASH') { |
if (ref($currrules) eq 'HASH') { |
Line 1519 sub check_loadbalancing {
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Line 1641 sub check_loadbalancing {
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$is_balancer = 0; |
$is_balancer = 0; |
if ($uname ne '' && $udom ne '') { |
if ($uname ne '' && $udom ne '') { |
if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { |
if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { |
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&appenv({'user.loadbalexempt' => $lonhost, |
&appenv({'user.loadbalexempt' => $lonhost, |
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'user.loadbalcheck.time' => time}); |
'user.loadbalcheck.time' => time}); |
} |
} |
} |
} |
} |
} |
} |
} |
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unless ($homeintdom) { |
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undef($setcookie); |
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} |
} |
} |
return ($is_balancer,$otherserver); |
return ($is_balancer,$otherserver,$setcookie,$offloadto,$dom_balancers); |
} |
} |
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sub check_balancer_result { |
sub check_balancer_result { |
my ($result,@hosts) = @_; |
my ($result,@hosts) = @_; |
my ($is_balancer,$currtargets,$currrules); |
my ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers); |
if (ref($result) eq 'HASH') { |
if (ref($result) eq 'HASH') { |
if ($result->{'lonhost'} ne '') { |
if ($result->{'lonhost'} ne '') { |
my $currbalancer = $result->{'lonhost'}; |
my $currbalancer = $result->{'lonhost'}; |
Line 1541 sub check_balancer_result {
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Line 1665 sub check_balancer_result {
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$currtargets = $result->{'targets'}; |
$currtargets = $result->{'targets'}; |
$currrules = $result->{'rules'}; |
$currrules = $result->{'rules'}; |
} |
} |
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$dom_balancers = $currbalancer; |
} else { |
} else { |
foreach my $key (keys(%{$result})) { |
if (keys(%{$result})) { |
if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) && |
foreach my $key (keys(%{$result})) { |
(ref($result->{$key}) eq 'HASH')) { |
if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) && |
$is_balancer = 1; |
(ref($result->{$key}) eq 'HASH')) { |
$currrules = $result->{$key}{'rules'}; |
$is_balancer = 1; |
$currtargets = $result->{$key}{'targets'}; |
$currrules = $result->{$key}{'rules'}; |
last; |
$currtargets = $result->{$key}{'targets'}; |
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$setcookie = $result->{$key}{'cookie'}; |
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last; |
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} |
} |
} |
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$dom_balancers = join(',',sort(keys(%{$result}))); |
} |
} |
} |
} |
} |
} |
return ($is_balancer,$currtargets,$currrules); |
return ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers); |
} |
} |
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sub get_loadbalancer_targets { |
sub get_loadbalancer_targets { |
Line 1631 sub trusted_domains {
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Line 1760 sub trusted_domains {
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if (&domain($calldom) eq '') { |
if (&domain($calldom) eq '') { |
return ($trusted,$untrusted); |
return ($trusted,$untrusted); |
} |
} |
unless ($cmdtype =~ /^(content|shared|enroll|coaurem|domroles|catalog|reqcrs|msg)$/) { |
unless ($cmdtype =~ /^(content|shared|enroll|coaurem|othcoau|domroles|catalog|reqcrs|msg)$/) { |
return ($trusted,$untrusted); |
return ($trusted,$untrusted); |
} |
} |
my $callprimary = &domain($calldom,'primary'); |
my $callprimary = &domain($calldom,'primary'); |
Line 1653 sub trusted_domains {
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Line 1782 sub trusted_domains {
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map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}}; |
map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}}; |
} |
} |
if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') { |
if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') { |
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$possinc{$intcalldom} = 1; |
map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}}; |
map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}}; |
} |
} |
} |
} |
Line 1687 sub trusted_domains {
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Line 1817 sub trusted_domains {
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} |
} |
foreach my $exc (@allexc) { |
foreach my $exc (@allexc) { |
if (ref($doms_by_intdom{$exc}) eq 'ARRAY') { |
if (ref($doms_by_intdom{$exc}) eq 'ARRAY') { |
$untrusted = $doms_by_intdom{$exc}; |
push(@{$untrusted},@{$doms_by_intdom{$exc}}); |
} |
} |
} |
} |
foreach my $inc (@allinc) { |
foreach my $inc (@allinc) { |
if (ref($doms_by_intdom{$inc}) eq 'ARRAY') { |
if (ref($doms_by_intdom{$inc}) eq 'ARRAY') { |
$trusted = $doms_by_intdom{$inc}; |
push(@{$trusted},@{$doms_by_intdom{$inc}}); |
} |
} |
} |
} |
} |
} |
Line 3247 sub remove_stale_resfile {
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Line 3377 sub remove_stale_resfile {
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(grep { $_ eq $homeserver } ¤t_machine_ids())) { |
(grep { $_ eq $homeserver } ¤t_machine_ids())) { |
my $fname = &filelocation('',$url); |
my $fname = &filelocation('',$url); |
if (-e $fname) { |
if (-e $fname) { |
my $protocol = $protocol{$homeserver}; |
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$protocol = 'http' if ($protocol ne 'https'); |
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my $hostname = &hostname($homeserver); |
my $hostname = &hostname($homeserver); |
if ($hostname) { |
if ($hostname) { |
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my $protocol = $protocol{$homeserver}; |
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$protocol = 'http' if ($protocol ne 'https'); |
my $uri = &declutter($url); |
my $uri = &declutter($url); |
my $request=new HTTP::Request('HEAD',$protocol.'://'.$hostname.'/raw/'.$uri); |
my $request=new HTTP::Request('HEAD',$protocol.'://'.$hostname.'/raw/'.$uri); |
my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,5,0,1); |
my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,5,0,1); |
Line 5245 sub set_first_access {
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Line 5375 sub set_first_access {
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my $firstaccess=&get_first_access($type,$symb,$map); |
my $firstaccess=&get_first_access($type,$symb,$map); |
if ($firstaccess) { |
if ($firstaccess) { |
&logthis("First access time already set ($firstaccess) when attempting ". |
&logthis("First access time already set ($firstaccess) when attempting ". |
"to set new value (type: $type, extent: $res) for $uname:$udom ". |
"to set new value (type: $type, extent: $res) for $uname:$udom ". |
"in $courseid"); |
"in $courseid"); |
return 'already_set'; |
return 'already_set'; |
} else { |
} else { |
my $start = time; |
my $start = time; |
Line 13228 sub repcopy_userfile {
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Line 13358 sub repcopy_userfile {
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my $request; |
my $request; |
$uri=~s/^\///; |
$uri=~s/^\///; |
my $homeserver = &homeserver($cnum,$cdom); |
my $homeserver = &homeserver($cnum,$cdom); |
|
my $hostname = &hostname($homeserver); |
my $protocol = $protocol{$homeserver}; |
my $protocol = $protocol{$homeserver}; |
$protocol = 'http' if ($protocol ne 'https'); |
$protocol = 'http' if ($protocol ne 'https'); |
$request=new HTTP::Request('GET',$protocol.'://'.&hostname($homeserver).'/raw/'.$uri); |
$request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri); |
my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,$transferfile,\%perlvar,'',0,1); |
my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,$transferfile,\%perlvar,'',0,1); |
# did it work? |
# did it work? |
if ($response->is_error()) { |
if ($response->is_error()) { |
Line 13254 sub tokenwrapper {
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Line 13385 sub tokenwrapper {
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$file=~s|(\?\.*)*$||; |
$file=~s|(\?\.*)*$||; |
&appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}}); |
&appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}}); |
my $homeserver = &homeserver($uname,$udom); |
my $homeserver = &homeserver($uname,$udom); |
|
my $hostname = &hostname($homeserver); |
my $protocol = $protocol{$homeserver}; |
my $protocol = $protocol{$homeserver}; |
$protocol = 'http' if ($protocol ne 'https'); |
$protocol = 'http' if ($protocol ne 'https'); |
return $protocol.'://'.&hostname($homeserver).'/'.$uri. |
return $protocol.'://'.$hostname.'/'.$uri. |
(($uri=~/\?/)?'&':'?').'token='.$token. |
(($uri=~/\?/)?'&':'?').'token='.$token. |
'&tokenissued='.$perlvar{'lonHostID'}; |
'&tokenissued='.$perlvar{'lonHostID'}; |
} else { |
} else { |
Line 13272 sub getuploaded {
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Line 13404 sub getuploaded {
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my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; |
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; |
$uri=~s/^\///; |
$uri=~s/^\///; |
my $homeserver = &homeserver($cnum,$cdom); |
my $homeserver = &homeserver($cnum,$cdom); |
|
my $hostname = &hostname($homeserver); |
my $protocol = $protocol{$homeserver}; |
my $protocol = $protocol{$homeserver}; |
$protocol = 'http' if ($protocol ne 'https'); |
$protocol = 'http' if ($protocol ne 'https'); |
$uri = $protocol.'://'.&hostname($homeserver).'/raw/'.$uri; |
$uri = $protocol.'://'.$hostname.'/raw/'.$uri; |
my $request=new HTTP::Request($reqtype,$uri); |
my $request=new HTTP::Request($reqtype,$uri); |
my $response=&LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,'',0,1); |
my $response=&LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,'',0,1); |
$$rtncode = $response->code; |
$$rtncode = $response->code; |