--- loncom/lonnet/perl/lonnet.pm 2006/09/28 18:23:32 1.782.2.2
+++ loncom/lonnet/perl/lonnet.pm 2006/09/29 18:23:25 1.787
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.782.2.2 2006/09/28 18:23:32 albertel Exp $
+# $Id: lonnet.pm,v 1.787 2006/09/29 18:23:25 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -292,6 +292,34 @@ sub error {
return undef;
}
+sub convert_and_load_session_env {
+ my ($lonidsdir,$handle)=@_;
+ my @profile;
+ {
+ open(my $idf,"$lonidsdir/$handle.id");
+ flock($idf,LOCK_SH);
+ @profile=<$idf>;
+ close($idf);
+ }
+ my %temp_env;
+ foreach my $line (@profile) {
+ if ($line !~ m/=/) {
+ return 0;
+ }
+ chomp($line);
+ my ($envname,$envvalue)=split(/=/,$line,2);
+ $temp_env{&unescape($envname)} = &unescape($envvalue);
+ }
+ unlink("$lonidsdir/$handle.id");
+ if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(),
+ 0640)) {
+ %disk_env = %temp_env;
+ @env{keys(%temp_env)} = @disk_env{keys(%temp_env)};
+ untie(%disk_env);
+ }
+ return 1;
+}
+
# ------------------------------------------- Transfer profile into environment
my $env_loaded;
sub transfer_profile_to_env {
@@ -305,30 +333,36 @@ sub transfer_profile_to_env {
($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
}
- my @profile;
+ my $convert;
{
- open(my $idf,"$lonidsdir/$handle.id");
+ open(my $idf,"$lonidsdir/$handle.id");
flock($idf,LOCK_SH);
- @profile=<$idf>;
- close($idf);
+ if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
+ &GDBM_READER(),0640)) {
+ @env{keys(%disk_env)} = @disk_env{keys(%disk_env)};
+ untie(%disk_env);
+ } else {
+ $convert = 1;
+ }
+ }
+ if ($convert) {
+ if (!&convert_and_load_session_env($lonidsdir,$handle)) {
+ &logthis("Failed to load session, or convert session.");
+ }
}
- my $envi;
- my %Remove;
- for ($envi=0;$envi<=$#profile;$envi++) {
- chomp($profile[$envi]);
- my ($envname,$envvalue)=split(/=/,$profile[$envi],2);
- $envname=&unescape($envname);
- $envvalue=&unescape($envvalue);
- $env{$envname} = $envvalue;
+
+ my %remove;
+ while ( my $envname = each(%env) ) {
if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) {
if ($time < time-300) {
- $Remove{$key}++;
+ $remove{$key}++;
}
}
}
+
$env{'user.environment'} = "$lonidsdir/$handle.id";
$env_loaded=1;
- foreach my $expired_key (keys(%Remove)) {
+ foreach my $expired_key (keys(%remove)) {
&delenv($expired_key);
}
}
@@ -347,54 +381,13 @@ sub appenv {
$env{$key}=$newenv{$key};
}
}
- foreach my $key (keys(%newenv)) {
- my $value = &escape($newenv{$key});
- delete($newenv{$key});
- $newenv{&escape($key)}=$value;
- }
-
- my $lockfh;
- unless (open($lockfh,"$env{'user.environment'}")) {
- return 'error: '.$!;
- }
- unless (flock($lockfh,LOCK_EX)) {
- &logthis("<font color=\"blue\">WARNING: ".
- 'Could not obtain exclusive lock in appenv: '.$!);
- close($lockfh);
- return 'error: '.$!;
- }
-
- my @oldenv;
- {
- my $fh;
- unless (open($fh,"$env{'user.environment'}")) {
- return 'error: '.$!;
+ if (tie(my %disk_env,'GDBM_File',$env{'user.environment'},&GDBM_WRITER(),
+ 0640)) {
+ while (my ($key,$value) = each(%newenv)) {
+ $disk_env{$key} = $value;
}
- @oldenv=<$fh>;
- close($fh);
+ untie(%disk_env);
}
- for (my $i=0; $i<=$#oldenv; $i++) {
- chomp($oldenv[$i]);
- if ($oldenv[$i] ne '') {
- my ($name,$value)=split(/=/,$oldenv[$i],2);
- unless (defined($newenv{$name})) {
- $newenv{$name}=$value;
- }
- }
- }
- {
- my $fh;
- unless (open($fh,">$env{'user.environment'}")) {
- return 'error';
- }
- my $newname;
- foreach $newname (keys %newenv) {
- print $fh $newname.'='.$newenv{$newname}."\n";
- }
- close($fh);
- }
-
- close($lockfh);
return 'ok';
}
# ----------------------------------------------------- Delete from Environment
@@ -406,43 +399,15 @@ sub delenv {
"Attempt to delete from environment ".$delthis);
return 'error';
}
- my @oldenv;
- {
- my $fh;
- unless (open($fh,"$env{'user.environment'}")) {
- return 'error';
- }
- unless (flock($fh,LOCK_SH)) {
- &logthis("<font color=\"blue\">WARNING: ".
- 'Could not obtain shared lock in delenv: '.$!);
- close($fh);
- return 'error: '.$!;
- }
- @oldenv=<$fh>;
- close($fh);
- }
- {
- my $fh;
- unless (open($fh,">$env{'user.environment'}")) {
- return 'error';
- }
- unless (flock($fh,LOCK_EX)) {
- &logthis("<font color=\"blue\">WARNING: ".
- 'Could not obtain exclusive lock in delenv: '.$!);
- close($fh);
- return 'error: '.$!;
- }
- foreach my $cur_key (@oldenv) {
- my $unescaped_cur_key = &unescape($cur_key);
- if ($unescaped_cur_key=~/^$delthis/) {
- my ($key) = split('=',$cur_key,2);
- $key = &unescape($key);
+ if (tie(my %disk_env,'GDBM_File',$env{'user.environment'},&GDBM_WRITER(),
+ 0640)) {
+ foreach my $key (keys(%disk_env)) {
+ if ($key=~/^$delthis/) {
delete($env{$key});
- } else {
- print $fh $cur_key;
+ delete($disk_env{$key});
}
}
- close($fh);
+ untie(%disk_env);
}
return 'ok';
}
@@ -1219,6 +1184,15 @@ sub absolute_url {
return $protocol.$host_name;
}
+sub absolute_url {
+ my ($host_name) = @_;
+ my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
+ if ($host_name eq '') {
+ $host_name = $ENV{'SERVER_NAME'};
+ }
+ return $protocol.$host_name;
+}
+
sub ssi {
my ($fn,%form)=@_;
@@ -5312,13 +5286,8 @@ sub GetFileTimestamp {
sub stat_file {
my ($uri) = @_;
- $uri = &clutter($uri);
+ $uri = &clutter_with_no_wrapper($uri);
- # we want just the url part without the unneeded accessor url bits
- if ($uri =~ m-^/adm/-) {
- $uri=~s-^/adm/wrapper/-/-;
- $uri=~s-^/adm/coursedocs/showdoc/-/-;
- }
my ($udom,$uname,$file,$dir);
if ($uri =~ m-^/(uploaded|editupload)/-) {
($udom,$uname,$file) =
@@ -6254,9 +6223,6 @@ sub symblist {
sub symbverify {
my ($symb,$thisurl)=@_;
my $thisfn=$thisurl;
-# wrapper not part of symbs
- $thisfn=~s/^\/adm\/wrapper//;
- $thisfn=~s/^\/adm\/coursedocs\/showdoc\///;
$thisfn=&declutter($thisfn);
# direct jump to resource in page or to a sequence - will construct own symbs
if ($thisfn=~/\.(page|sequence)$/) { return 1; }
@@ -7093,6 +7059,15 @@ sub clutter {
return $thisfn;
}
+sub clutter_with_no_wrapper {
+ my $uri = &clutter(shift);
+ if ($uri =~ m-^/adm/-) {
+ $uri =~ s-^/adm/wrapper/-/-;
+ $uri =~ s-^/adm/coursedocs/showdoc/-/-;
+ }
+ return $uri;
+}
+
sub freeze_escape {
my ($value)=@_;
if (ref($value)) {