--- loncom/lonnet/perl/lonnet.pm 2007/04/04 00:10:15 1.863
+++ loncom/lonnet/perl/lonnet.pm 2007/06/07 22:09:59 1.885
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.863 2007/04/04 00:10:15 albertel Exp $
+# $Id: lonnet.pm,v 1.885 2007/06/07 22:09:59 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -31,22 +31,21 @@ package Apache::lonnet;
use strict;
use LWP::UserAgent();
-use HTTP::Headers;
use HTTP::Date;
# use Date::Parse;
-use vars
-qw(%perlvar %badServerCache %spareid
- %pr %prp $memcache %packagetab
- %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount
- %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf
- $tmpdir $_64bit %env);
+use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
+ $_64bit %env);
+
+my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash,
+ %userrolehash, $processmarker, $dumpcount, %coursedombuf,
+ %coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf,
+ %courseownerbuf, %coursetypebuf);
use IO::Socket;
use GDBM_File;
use HTML::LCParser;
-use HTML::Parser;
use Fcntl qw(:flock);
-use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw nfreeze);
+use Storable qw(thaw nfreeze);
use Time::HiRes qw( gettimeofday tv_interval );
use Cache::Memcached;
use Digest::MD5;
@@ -182,7 +181,7 @@ sub subreply {
$client=IO::Socket::UNIX->new(Peer =>"$peerfile",
Type => SOCK_STREAM,
Timeout => 10);
- if($client) {
+ if ($client) {
last; # Connected!
} else {
&create_connection(&hostname($server),$server);
@@ -745,7 +744,7 @@ sub get_dom {
if (defined(&domain($udom,'primary'))) {
$uhome=&domain($udom,'primary');
} else {
- $uhome eq '';
+ undef($uhome);
}
} else {
if (!$uhome) {
@@ -756,11 +755,14 @@ sub get_dom {
}
if ($udom && $uhome && ($uhome ne 'no_host')) {
my $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
+ my %returnhash;
+ if ($rep eq '' || $rep =~ /^error: 2 /) {
+ return %returnhash;
+ }
my @pairs=split(/\&/,$rep);
if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
return @pairs;
}
- my %returnhash=();
my $i=0;
foreach my $item (@$storearr) {
$returnhash{$item}=&thaw_unescape($pairs[$i]);
@@ -768,7 +770,7 @@ sub get_dom {
}
return %returnhash;
} else {
- &logthis("get_dom failed - no homeserver and/or domain");
+ &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
}
}
@@ -781,7 +783,7 @@ sub put_dom {
if (defined(&domain($udom,'primary'))) {
$uhome=&domain($udom,'primary');
} else {
- $uhome eq '';
+ undef($uhome);
}
} else {
if (!$uhome) {
@@ -826,6 +828,16 @@ sub retrieve_inst_usertypes {
return (\%returnhash,\@order);
}
+sub is_domainimage {
+ my ($url) = @_;
+ if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+-) {
+ if (&domain($1) ne '') {
+ return '1';
+ }
+ }
+ return;
+}
+
# --------------------------------------------------- Assign a key to a student
sub assign_access_key {
@@ -1052,7 +1064,10 @@ my $kicks=0;
my $hits=0;
sub make_key {
my ($name,$id) = @_;
- if (length($id) > 200) { $id=length($id).':'.&Digest::MD5::md5_hex($id); }
+ if (length($id) > 65
+ && length(&escape($id)) > 200) {
+ $id=length($id).':'.&Digest::MD5::md5_hex($id);
+ }
return &escape($name.':'.$id);
}
@@ -1099,7 +1114,9 @@ sub do_cache_new {
$time=600;
}
if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); }
- $memcache->set($id,$setvalue,$time);
+ if (!($memcache->set($id,$setvalue,$time))) {
+ &logthis("caching of id -> $id failed");
+ }
# need to make a copy of $value
#&make_room($id,$value,$debug);
return $value;
@@ -2133,7 +2150,12 @@ sub get_my_roles {
my %returnhash=();
my $now=time;
foreach my $entry (keys(%dumphash)) {
- my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
+ my ($role,$tend,$tstart);
+ if ($context eq 'userroles') {
+ ($role,$tend,$tstart)=split(/_/,$dumphash{$entry});
+ } else {
+ ($tend,$tstart)=split(/\:/,$dumphash{$entry});
+ }
if (($tstart) && ($tstart<0)) { next; }
my $status = 'active';
if (($tend) && ($tend<$now)) {
@@ -2151,7 +2173,13 @@ sub get_my_roles {
next;
}
}
- my ($role,$username,$domain,$section)=split(/\:/,$entry);
+ my ($rolecode,$username,$domain,$section,$area);
+ if ($context eq 'userroles') {
+ ($area,$rolecode) = split(/_/,$entry);
+ (undef,$domain,$username,$section) = split(/\//,$area);
+ } else {
+ ($role,$username,$domain,$section) = split(/\:/,$entry);
+ }
if (ref($roledoms) eq 'ARRAY') {
if (!grep(/^\Q$domain\E$/,@{$roledoms})) {
next;
@@ -2161,7 +2189,7 @@ sub get_my_roles {
if (!grep(/^\Q$role\E$/,@{$roles})) {
next;
}
- }
+ }
$returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend;
}
return %returnhash;
@@ -3105,7 +3133,7 @@ sub set_userprivs {
if (keys(%{$allgroups}) > 0) {
foreach my $role (keys %{$allroles}) {
my ($trole,$area,$sec,$extendedarea);
- if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)-) {
+ if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
$trole = $1;
$area = $2;
$sec = $3;
@@ -3586,9 +3614,16 @@ sub get_portfolio_access {
}
if (@users > 0) {
foreach my $userkey (@users) {
- if (exists($access_hash->{$userkey}{'users'}{$env{'user.name'}.':'.$env{'user.domain'}})) {
- return 'ok';
- }
+ if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') {
+ foreach my $item (@{$access_hash->{$userkey}{'users'}}) {
+ if (ref($item) eq 'HASH') {
+ if (($item->{'uname'} eq $env{'user.name'}) &&
+ ($item->{'udom'} eq $env{'user.domain'})) {
+ return 'ok';
+ }
+ }
+ }
+ }
}
}
my %roleshash;
@@ -4419,8 +4454,18 @@ sub userlog_query {
sub auto_run {
my ($cnum,$cdom) = @_;
- my $homeserver = &homeserver($cnum,$cdom);
- my $response = &reply('autorun:'.$cdom,$homeserver);
+ my $response = 0;
+ my $settings;
+ my %domconfig = &get_dom('configuration',['autoenroll'],$cdom);
+ if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+ $settings = $domconfig{'autoenroll'};
+ if ($settings->{'run'} eq '1') {
+ $response = 1;
+ }
+ } else {
+ my $homeserver = &homeserver($cnum,$cdom);
+ $response = &reply('autorun:'.$cdom,$homeserver);
+ }
return $response;
}
@@ -4450,15 +4495,27 @@ sub auto_validate_courseID {
}
sub auto_create_password {
- my ($cnum,$cdom,$authparam) = @_;
- my $homeserver = &homeserver($cnum,$cdom);
+ my ($cnum,$cdom,$authparam,$udom) = @_;
+ my ($homeserver,$response);
my $create_passwd = 0;
my $authchk = '';
- my $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver));
- if ($response eq 'refused') {
- $authchk = 'refused';
+ if ($udom =~ /^$match_domain$/) {
+ $homeserver = &domain($udom,'primary');
+ }
+ if ($homeserver eq '') {
+ if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
+ $homeserver = &homeserver($cnum,$cdom);
+ }
+ }
+ if ($homeserver eq '') {
+ $authchk = 'nodomain';
} else {
- ($authparam,$create_passwd,$authchk) = split/:/,$response;
+ $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver));
+ if ($response eq 'refused') {
+ $authchk = 'refused';
+ } else {
+ ($authparam,$create_passwd,$authchk) = split/:/,$response;
+ }
}
return ($authparam,$create_passwd,$authchk);
}
@@ -5263,7 +5320,7 @@ sub save_selected_files {
my ($user, $path, @files) = @_;
my $filename = $user."savedfiles";
my @other_files = &files_not_in_path($user, $path);
- open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
+ open (OUT, '>'.$tmpdir.$filename);
foreach my $file (@files) {
print (OUT $env{'form.currentpath'}.$file."\n");
}
@@ -5855,6 +5912,13 @@ sub devalidatecourseresdata {
# --------------------------------------------------- Course Resourcedata Query
+#
+# Parameters:
+# $coursenum - Number of the course.
+# $coursedomain - Domain at which the course was created.
+# Returns:
+# A hash of the course parameters along (I think) with timestamps
+# and version info.
sub get_courseresdata {
my ($coursenum,$coursedomain)=@_;
@@ -5913,7 +5977,21 @@ sub get_userresdata {
}
return $tmp;
}
-
+#----------------------------------------------- resdata - return resource data
+# Purpose:
+# Return resource data for either users or for a course.
+# Parameters:
+# $name - Course/user name.
+# $domain - Name of the domain the user/course is registered on.
+# $type - Type of thing $name is (must be 'course' or 'user'
+# @which - Array of names of resources desired.
+# Returns:
+# The value of the first reasource in @which that is found in the
+# resource hash.
+# Exceptional Conditions:
+# If the $type passed in is not valid (not the string 'course' or
+# 'user', an undefined reference is returned.
+# If none of the resources are found, an undef is returned
sub resdata {
my ($name,$domain,$type,@which)=@_;
my $result;
@@ -6260,7 +6338,7 @@ sub packages_tab_default {
$do_default=1;
} elsif ($pack_type eq 'extension') {
push(@extension,[$package,$pack_type,$pack_part]);
- } elsif ($pack_part eq $part) {
+ } elsif ($pack_part eq $part || $pack_type eq 'part') {
# only look at packages defaults for packages that this id is
push(@specifics,[$package,$pack_type,$pack_part]);
}
@@ -6477,13 +6555,18 @@ sub metadata {
}
}
my ($extension) = ($uri =~ /\.(\w+)$/);
+ $extension = lc($extension);
+ if ($extension eq 'htm') { $extension='html'; }
+
foreach my $key (keys(%packagetab)) {
#no specific packages #how's our extension
if ($key!~/^extension_\Q$extension\E&/) { next; }
&metadata_create_package_def($uri,$key,'extension_'.$extension,
\%metathesekeys);
}
- if (!exists($metaentry{':packages'})) {
+
+ if (!exists($metaentry{':packages'})
+ || $packagetab{"import_defaults&extension_$extension"}) {
foreach my $key (keys(%packagetab)) {
#no specific packages well let's get default then
if ($key!~/^default&/) { next; }
@@ -7432,6 +7515,7 @@ sub filelocation {
$file=~s-^/adm/wrapper/-/-;
$file=~s-^/adm/coursedocs/showdoc/-/-;
}
+
if ($file=~m:^/~:) { # is a contruction space reference
$location = $file;
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:;
@@ -7452,6 +7536,8 @@ sub filelocation {
$location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
$udom.'/'.$uname.'/'.$filename;
}
+ } elsif ($file =~ m-^/adm/-) {
+ $location = $perlvar{'lonDocRoot'}.'/'.$file;
} else {
$file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
$file=~s:^/res/:/:;
@@ -7562,7 +7648,8 @@ sub declutter {
sub clutter {
my $thisfn='/'.&declutter(shift);
- unless ($thisfn=~/^\/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)\//) {
+ if ($thisfn !~ m{^/(uploaded|editupload|userfiles|ext|raw|priv|public)/}
+ || $thisfn =~ m{^/adm/(includes|pages)} ) {
$thisfn='/res'.$thisfn;
}
if ($thisfn !~m|/adm|) {
@@ -7631,18 +7718,18 @@ sub correct_line_ends {
sub goodbye {
&logthis("Starting Shut down");
#not converted to using infrastruture and probably shouldn't be
- &logthis(sprintf("%-20s is %s",'%badServerCache',length(&freeze(\%badServerCache))));
+ &logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache))));
#converted
# &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
- &logthis(sprintf("%-20s is %s",'%homecache',length(&freeze(\%homecache))));
-# &logthis(sprintf("%-20s is %s",'%titlecache',length(&freeze(\%titlecache))));
-# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&freeze(\%courseresdatacache))));
+ &logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache))));
+# &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache))));
+# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache))));
#1.1 only
-# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&freeze(\%userresdatacache))));
-# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&freeze(\%getsectioncache))));
-# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&freeze(\%courseresversioncache))));
-# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&freeze(\%resversioncache))));
- &logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
+# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache))));
+# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache))));
+# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache))));
+# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache))));
+ &logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered))));
&logthis(sprintf("%-20s is %s",'kicks',$kicks));
&logthis(sprintf("%-20s is %s",'hits',$hits));
&flushcourselogs();
@@ -7650,19 +7737,41 @@ sub goodbye {
}
sub get_dns {
- my ($url,$func) = @_;
+ my ($url,$func,$ignore_cache) = @_;
+ if (!$ignore_cache) {
+ my ($content,$cached)=
+ &Apache::lonnet::is_cached_new('dns',$url);
+ if ($cached) {
+ &$func($content);
+ return;
+ }
+ }
+
+ my %alldns;
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
foreach my $dns (<$config>) {
next if ($dns !~ /^\^(\S*)/x);
- $dns = $1;
+ $alldns{$1} = 1;
+ }
+ while (%alldns) {
+ my ($dns) = keys(%alldns);
+ delete($alldns{$dns});
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request('GET',"http://$dns$url");
my $response=$ua->request($request);
next if ($response->is_error());
my @content = split("\n",$response->content);
+ &Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60);
&$func(\@content);
+ return;
}
close($config);
+ my $which = (split('/',$url))[3];
+ &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
+ open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab");
+ my @content = <$config>;
+ &$func(\@content);
+ return;
}
# ------------------------------------------------------------ Read domain file
{
@@ -7685,9 +7794,15 @@ sub get_dns {
$domain{$name} = \%this_domain;
}
}
-
+
+ sub reset_domain_info {
+ undef($loaded);
+ undef(%domain);
+ }
+
sub load_domain_tab {
- &get_dns('/adm/dns/domain',\&parse_domain_tab);
+ my ($ignore_cache) = @_;
+ &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache);
my $fh;
if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) {
my @lines = <$fh>;
@@ -7733,9 +7848,19 @@ sub get_dns {
}
}
}
+
+ sub reset_hosts_info {
+ &reset_domain_info();
+ &reset_hosts_ip_info();
+ undef(%hostname);
+ undef(%hostdom);
+ undef(%libserv);
+ undef($loaded);
+ }
sub load_hosts_tab {
- &get_dns('/adm/dns/hosts',\&parse_hosts_tab);
+ my ($ignore_cache) = @_;
+ &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache);
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
my @config = <$config>;
&parse_hosts_tab(\@config);
@@ -7811,6 +7936,25 @@ sub get_dns {
my %iphost;
my %name_to_ip;
my %lonid_to_ip;
+
+ my %valid_ip;
+ sub valid_ip {
+ my ($ip) = @_;
+ if (exists($iphost{$ip}) || exists($valid_ip{$ip})) {
+ return 1;
+ }
+ my $name = gethostbyip($ip);
+ my $lonid = &hostname($name);
+ if (defined($lonid)) {
+ $valid_ip{$ip} = $lonid;
+ return 1;
+ }
+ my %iphosts = &get_iphost();
+ if (ref($iphost{$ip})) {
+ return 1;
+ }
+ }
+
sub get_hosts_from_ip {
my ($ip) = @_;
my %iphosts = &get_iphost();
@@ -7819,6 +7963,12 @@ sub get_dns {
}
return;
}
+
+ sub reset_hosts_ip_info {
+ undef(%iphost);
+ undef(%name_to_ip);
+ undef(%lonid_to_ip);
+ }
sub get_host_ip {
my ($lonid) = @_;
@@ -7835,10 +7985,23 @@ sub get_dns {
}
sub get_iphost {
- if (%iphost) { return %iphost; }
+ my ($ignore_cache) = @_;
+ if (!$ignore_cache) {
+ if (%iphost) {
+ return %iphost;
+ }
+ my ($ip_info,$cached)=
+ &Apache::lonnet::is_cached_new('iphost','iphost');
+ if ($cached) {
+ %iphost = %{$ip_info->[0]};
+ %name_to_ip = %{$ip_info->[1]};
+ %lonid_to_ip = %{$ip_info->[2]};
+ return %iphost;
+ }
+ }
my %hostname = &all_hostnames();
foreach my $id (keys(%hostname)) {
- my $name=$hostname{$id};
+ my $name=&hostname($id);
my $ip;
if (!exists($name_to_ip{$name})) {
$ip = gethostbyname($name);
@@ -7854,6 +8017,10 @@ sub get_dns {
$lonid_to_ip{$id} = $ip;
push(@{$iphost{$ip}},$id);
}
+ &Apache::lonnet::do_cache_new('iphost','iphost',
+ [\%iphost,\%name_to_ip,\%lonid_to_ip],
+ 24*60*60);
+
return %iphost;
}
}
@@ -8393,6 +8560,14 @@ setting for a specific $type, where $typ
@what should be a list of parameters to ask about. This routine caches
answers for 5 minutes.
+=item *
+
+get_courseresdata($courseid, $domain) : dump the entire course resource
+data base, returning a hash that is keyed by the resource name and has
+values that are the resource value. I believe that the timestamps and
+versions are also returned.
+
+
=back
=head2 Course Modification
@@ -9075,3 +9250,4 @@ symblist($mapname,%newhash) : update sym
=back
=cut
+