--- loncom/lonnet/perl/lonnet.pm 2018/09/02 23:22:47 1.1172.2.96
+++ loncom/lonnet/perl/lonnet.pm 2018/09/22 03:11:40 1.1172.2.101
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1172.2.96 2018/09/02 23:22:47 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.101 2018/09/22 03:11:40 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -2840,8 +2840,7 @@ sub absolute_url {
sub ssi {
my ($fn,%form)=@_;
- my $ua=new LWP::UserAgent;
- my $request;
+ my ($request,$response);
$form{'no_update_last_known'}=1;
&Apache::lonenc::check_encrypt(\$fn);
@@ -2858,7 +2857,30 @@ sub ssi {
}
$request->header(Cookie => $ENV{'HTTP_COOKIE'});
- my $response= $ua->request($request);
+
+ if (($env{'request.course.id'}) &&
+ ($form{'grade_courseid'} eq $env{'request.course.id'}) &&
+ ($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&
+ ($form{'grade_symb'} ne '') &&
+ (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
+ ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
+ if (LWP::UserAgent->VERSION >= 5.834) {
+ my $ua=new LWP::UserAgent;
+ $ua->local_address('127.0.0.1');
+ $response = $ua->request($request);
+ } else {
+ {
+ require LWP::Protocol::http;
+ local @LWP::Protocol::http::EXTRA_SOCK_OPTS = (LocalAddr => '127.0.0.1');
+ my $ua=new LWP::UserAgent;
+ $response = $ua->request($request);
+ @LWP::Protocol::http::EXTRA_SOCK_OPTS = ();
+ }
+ }
+ } else {
+ my $ua=new LWP::UserAgent;
+ $response = $ua->request($request);
+ }
if (wantarray) {
return ($response->content, $response);
} else {
@@ -2878,6 +2900,72 @@ sub externalssi {
}
}
+# If the local copy of a replicated resource is outdated, trigger a
+# connection from the homeserver to flush the delayed queue. If no update
+# happens, remove local copies of outdated resource (and corresponding
+# metadata file).
+
+sub remove_stale_resfile {
+ my ($url) = @_;
+ my $removed;
+ if ($url=~m{^/res/($match_domain)/($match_username)/}) {
+ my $audom = $1;
+ my $auname = $2;
+ unless (($url =~ /\.\d+\.\w+$/) || ($url =~ m{^/res/lib/templates/})) {
+ my $homeserver = &homeserver($auname,$audom);
+ unless (($homeserver eq 'no_host') ||
+ (grep { $_ eq $homeserver } ¤t_machine_ids())) {
+ my $fname = &filelocation('',$url);
+ if (-e $fname) {
+ my $ua=new LWP::UserAgent;
+ $ua->timeout(5);
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ my $hostname = &hostname($homeserver);
+ if ($hostname) {
+ my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url);
+ my $request=new HTTP::Request('HEAD',$uri);
+ my $response=$ua->request($request);
+ if ($response->is_success()) {
+ my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') );
+ my $locmodtime = (stat($fname))[9];
+ if ($locmodtime < $remmodtime) {
+ my $stale;
+ my $answer = &reply('pong',$homeserver);
+ if ($answer eq $homeserver.':'.$perlvar{'lonHostID'}) {
+ sleep(0.2);
+ $locmodtime = (stat($fname))[9];
+ if ($locmodtime < $remmodtime) {
+ my $posstransfer = $fname.'.in.transfer';
+ if ((-e $posstransfer) && ($remmodtime < (stat($posstransfer))[9])) {
+ $removed = 1;
+ } else {
+ $stale = 1;
+ }
+ } else {
+ $removed = 1;
+ }
+ } else {
+ $stale = 1;
+ }
+ if ($stale) {
+ unlink($fname);
+ if ($uri!~/\.meta$/) {
+ unlink($fname.'.meta');
+ }
+ &reply("unsub:$fname",$homeserver);
+ $removed = 1;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return $removed;
+}
+
# -------------------------------- Allow a /uploaded/ URI to be vouched for
sub allowuploaded {
@@ -4818,6 +4906,9 @@ sub set_first_access {
'course.'.$courseid.'.timerinterval.'.$res => $interval,
}
);
+ if (($cachedtime) && (abs($start-$cachedtime) < 5)) {
+ $cachedtimes{"$courseid\0$res"} = $start;
+ }
}
return $putres;
}
@@ -10999,6 +11090,7 @@ sub add_prefix_and_part {
my %metaentry;
my %importedpartids;
+my %importedrespids;
sub metadata {
my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
$uri=&declutter($uri);
@@ -11026,9 +11118,11 @@ sub metadata {
}
{
# Imported parts would go here
- my %importedids=();
- my @origfileimportpartids=();
+ my @origfiletagids=();
my $importedparts=0;
+
+# Imported responseids would go here
+ my $importedresponses=0;
#
# Is this a recursive call for a library?
#
@@ -11123,8 +11217,37 @@ sub metadata {
my $dir=$filename;
$dir=~s|[^/]*$||;
$location=&filelocation($dir,$location);
-
+
+ my $importid=$token->[2]->{'id'};
my $importmode=$token->[2]->{'importmode'};
+#
+# Check metadata for imported file to
+# see if it contained response items
+#
+ my %currmetaentry = %metaentry;
+ my $libresponseorder = &metadata($location,'responseorder');
+ my $origfile;
+ if ($libresponseorder ne '') {
+ if ($#origfiletagids<0) {
+ undef(%importedrespids);
+ undef(%importedpartids);
+ }
+ @{$importedrespids{$importid}} = split(/\s*,\s*/,$libresponseorder);
+ if (@{$importedrespids{$importid}} > 0) {
+ $importedresponses = 1;
+# We need to get the original file and the imported file to get the response order correct
+# Load and inspect original file
+ if ($#origfiletagids<0) {
+ my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
+ $origfile=&getfile($origfilelocation);
+ @origfiletagids=($origfile=~/<((?:\w+)response|import|part)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+ }
+ }
+ }
+# Do not overwrite contents of %metaentry hash for resource itself with
+# hash populated for imported library file
+ %metaentry = %currmetaentry;
+ undef(%currmetaentry);
if ($importmode eq 'problem') {
# Import as problem/response
$unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
@@ -11133,12 +11256,15 @@ sub metadata {
$importedparts=1;
# We need to get the original file and the imported file to get the part order correct
# Good news: we do not need to worry about nested libraries, since parts cannot be nested
-# Load and inspect original file
- if ($#origfileimportpartids<0) {
- undef(%importedpartids);
- my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
- my $origfile=&getfile($origfilelocation);
- @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+# Load and inspect original file if we didn't do that already
+ if ($#origfiletagids<0) {
+ undef(%importedrespids);
+ undef(%importedpartids);
+ if ($origfile eq '') {
+ my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
+ $origfile=&getfile($origfilelocation);
+ @origfiletagids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+ }
}
# Load and inspect imported file
@@ -11252,20 +11378,48 @@ sub metadata {
grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'}));
$metaentry{':packages'} = join(',',@uniq_packages);
- if ($importedparts) {
+ if (($importedresponses) || ($importedparts)) {
+ if ($importedparts) {
# We had imported parts and need to rebuild partorder
- $metaentry{':partorder'}='';
- $metathesekeys{'partorder'}=1;
- for (my $index=0;$index<$#origfileimportpartids;$index+=2) {
- if ($origfileimportpartids[$index] eq 'part') {
-# original part, part of the problem
- $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1];
- } else {
-# we have imported parts at this position
- $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]};
- }
- }
- $metaentry{':partorder'}=~s/^\,//;
+ $metaentry{':partorder'}='';
+ $metathesekeys{'partorder'}=1;
+ }
+ if ($importedresponses) {
+# We had imported responses and need to rebuild responseorder
+ $metaentry{':responseorder'}='';
+ $metathesekeys{'responseorder'}=1;
+ }
+ for (my $index=0;$index<$#origfiletagids;$index+=2) {
+ my $origid = $origfiletagids[$index+1];
+ if ($origfiletagids[$index] eq 'part') {
+# Original part, part of the problem
+ if ($importedparts) {
+ $metaentry{':partorder'}.=','.$origid;
+ }
+ } elsif ($origfiletagids[$index] eq 'import') {
+ if ($importedparts) {
+# We have imported parts at this position
+ $metaentry{':partorder'}.=','.$importedpartids{$origid};
+ }
+ if ($importedresponses) {
+# We have imported responses at this position
+ if (ref($importedrespids{$origid}) eq 'ARRAY') {
+ $metaentry{':responseorder'}.=','.join(',',map { $origid.'_'.$_ } @{$importedrespids{$origid}});
+ }
+ }
+ } else {
+# Original response item, part of the problem
+ if ($importedresponses) {
+ $metaentry{':responseorder'}.=','.$origid;
+ }
+ }
+ }
+ if ($importedparts) {
+ $metaentry{':partorder'}=~s/^\,//;
+ }
+ if ($importedresponses) {
+ $metaentry{':responseorder'}=~s/^\,//;
+ }
}
$metaentry{':keys'} = join(',',keys(%metathesekeys));