version 1.57, 2000/10/31 22:32:32
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version 1.75, 2000/12/02 12:41:48
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Line 42
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Line 42
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# directcondval(index) : reading condition value of single condition from |
# directcondval(index) : reading condition value of single condition from |
# state string |
# state string |
# condval(index) : value of condition index based on state |
# condval(index) : value of condition index based on state |
# varval(name) : value of a variable |
# EXT(name) : value of a variable |
# refreshstate() : refresh the state information string |
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# symblist(map,hash) : Updates symbolic storage links |
# symblist(map,hash) : Updates symbolic storage links |
# symbread([filename]) : returns the data handle (filename optional) |
# symbread([filename]) : returns the data handle (filename optional) |
# rndseed() : returns a random seed |
# rndseed() : returns a random seed |
Line 53
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Line 52
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# from the directory dir |
# from the directory dir |
# hreflocation(dir,file) : same as filelocation, but for hrefs |
# hreflocation(dir,file) : same as filelocation, but for hrefs |
# log(domain,user,home,msg) : write to permanent log for user |
# log(domain,user,home,msg) : write to permanent log for user |
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# usection(domain,user,courseid) : output of section name/number or '' for |
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# "not in course" and '-1' for "no section" |
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# userenvironment(domain,user,what) : puts out any environment parameter |
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# for a user |
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# idput(domain,hash) : writes IDs for users from hash (name=>id,name=>id) |
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# idget(domain,array): returns hash with usernames (id=>name,id=>name) for |
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# an array of IDs |
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# idrget(domain,array): returns hash with IDs for usernames (name=>id,...) for |
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# an array of names |
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# metadata(file,entry): returns the metadata entry for a file. entry='keys' |
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# returns a comma separated list of keys |
# |
# |
# 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, |
# 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, |
# 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19, |
# 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19, |
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# 10/04 Gerd Kortemeyer |
# 10/04 Gerd Kortemeyer |
# 10/04 Guy Albertelli |
# 10/04 Guy Albertelli |
# 10/06,10/09,10/10,10/11,10/14,10/20,10/23,10/25,10/26,10/27,10/28,10/29, |
# 10/06,10/09,10/10,10/11,10/14,10/20,10/23,10/25,10/26,10/27,10/28,10/29, |
# 10/30,10/31 Gerd Kortemeyer |
# 10/30,10/31, |
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# 11/2,11/14,11/15,11/16,11/20,11/21,11/22,11/25,11/27, |
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# 12/02 Gerd Kortemeyer |
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package Apache::lonnet; |
package Apache::lonnet; |
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Line 77 use Apache::File;
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Line 89 use Apache::File;
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use LWP::UserAgent(); |
use LWP::UserAgent(); |
use HTTP::Headers; |
use HTTP::Headers; |
use vars |
use vars |
qw(%perlvar %hostname %homecache %spareid %hostdom %libserv %pr %prp %fe %fd $readit); |
qw(%perlvar %hostname %homecache %spareid %hostdom %libserv %pr %prp %fe %fd $readit %metacache); |
use IO::Socket; |
use IO::Socket; |
use GDBM_File; |
use GDBM_File; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use HTML::TokeParser; |
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# --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
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Line 123 sub reply {
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Line 136 sub reply {
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my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
my $answer=subreply($cmd,$server); |
my $answer=subreply($cmd,$server); |
if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); } |
if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); } |
if (($answer=~/^error:/) || ($answer=~/^refused/) || |
if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
($answer=~/^rejected/)) { |
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&logthis("<font color=blue>WARNING:". |
&logthis("<font color=blue>WARNING:". |
" $cmd to $server returned $answer</font>"); |
" $cmd to $server returned $answer</font>"); |
} |
} |
Line 358 sub homeserver {
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Line 370 sub homeserver {
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return 'no_host'; |
return 'no_host'; |
} |
} |
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# ------------------------------------- Find the usernames behind a list of IDs |
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sub idget { |
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my ($udom,@ids)=@_; |
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my %returnhash=(); |
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my $tryserver; |
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foreach $tryserver (keys %libserv) { |
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if ($hostdom{$tryserver} eq $udom) { |
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my $idlist=join('&',@ids); |
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$idlist=~tr/A-Z/a-z/; |
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my $reply=&reply("idget:$udom:".$idlist,$tryserver); |
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my @answer=(); |
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if ($reply ne 'con_lost') { |
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@answer=split(/\&/,$reply); |
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} ; |
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my $i; |
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for ($i=0;$i<=$#ids;$i++) { |
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if ($answer[$i]) { |
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$returnhash{$ids[$i]}=$answer[$i]; |
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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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# ------------------------------------- Find the IDs behind a list of usernames |
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sub idrget { |
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my ($udom,@unames)=@_; |
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my %returnhash=(); |
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map { |
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$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
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} @unames; |
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return %returnhash; |
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} |
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# ------------------------------- Store away a list of names and associated IDs |
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sub idput { |
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my ($udom,%ids)=@_; |
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my %servers=(); |
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map { |
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my $uhom=&homeserver($_,$udom); |
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if ($uhom ne 'no_host') { |
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my $id=&escape($ids{$_}); |
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$id=~tr/A-Z/a-z/; |
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my $unam=&escape($_); |
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if ($servers{$uhom}) { |
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$servers{$uhom}.='&'.$id.'='.$unam; |
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} else { |
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$servers{$uhom}=$id.'='.$unam; |
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} |
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&critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
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} |
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} keys %ids; |
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map { |
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&critical('idput:'.$udom.':'.$servers{$_},$_); |
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} keys %servers; |
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} |
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# ------------------------------------- Find the section of student in a course |
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sub usection { |
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my ($udom,$unam,$courseid)=@_; |
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$courseid=~s/\_/\//g; |
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$courseid=~s/^(\w)/\/$1/; |
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map { |
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my ($key,$value)=split(/\=/,$_); |
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$key=&unescape($key); |
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if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
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my $section=$1; |
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if ($key eq $courseid.'_st') { $section=''; } |
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my ($dummy,$end,$start)=split(/\_/,&unescape($value)); |
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my $now=time; |
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my $notactive=0; |
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if ($start) { |
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if ($now<$start) { $notactive=1; } |
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} |
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if ($end) { |
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if ($now>$end) { $notactive=1; } |
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} |
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unless ($notactive) { return $section; } |
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} |
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} split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
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&homeserver($unam,$udom))); |
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return '-1'; |
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} |
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# ------------------------------------- Read an entry from a user's environment |
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sub userenvironment { |
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my ($udom,$unam,@what)=@_; |
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my %returnhash=(); |
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my @answer=split(/\&/, |
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&reply('get:'.$udom.':'.$unam.':environment:'.join('&',@what), |
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&homeserver($unam,$udom))); |
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my $i; |
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for ($i=0;$i<=$#what;$i++) { |
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$returnhash{$what[$i]}=&unescape($answer[$i]); |
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} |
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return %returnhash; |
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} |
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# ----------------------------- Subscribe to a resource, return URL if possible |
# ----------------------------- Subscribe to a resource, return URL if possible |
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sub subscribe { |
sub subscribe { |
Line 370 sub subscribe {
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Line 487 sub subscribe {
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return 'not_found'; |
return 'not_found'; |
} |
} |
my $answer=reply("sub:$fname",$home); |
my $answer=reply("sub:$fname",$home); |
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if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
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$answer.=' by '.$home; |
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} |
return $answer; |
return $answer; |
} |
} |
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Line 381 sub repcopy {
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Line 501 sub repcopy {
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my $transname="$filename.in.transfer"; |
my $transname="$filename.in.transfer"; |
if ((-e $filename) || (-e $transname)) { return OK; } |
if ((-e $filename) || (-e $transname)) { return OK; } |
my $remoteurl=subscribe($filename); |
my $remoteurl=subscribe($filename); |
if ($remoteurl eq 'con_lost') { |
if ($remoteurl =~ /^con_lost by/) { |
&logthis("Subscribe returned con_lost: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
return HTTP_SERVICE_UNAVAILABLE; |
return HTTP_SERVICE_UNAVAILABLE; |
} elsif ($remoteurl eq 'not_found') { |
} elsif ($remoteurl eq 'not_found') { |
&logthis("Subscribe returned not_found: $filename"); |
&logthis("Subscribe returned not_found: $filename"); |
return HTTP_NOT_FOUND; |
return HTTP_NOT_FOUND; |
} elsif ($remoteurl eq 'rejected') { |
} elsif ($remoteurl =~ /^rejected by/) { |
&logthis("Subscribe returned rejected: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
return FORBIDDEN; |
return FORBIDDEN; |
} elsif ($remoteurl eq 'directory') { |
} elsif ($remoteurl eq 'directory') { |
return OK; |
return OK; |
Line 512 sub restore {
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Line 632 sub restore {
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my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
$returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
} split(/\&/,$answer); |
} split(/\&/,$answer); |
map { |
my $version; |
$returnhash{$_}=$returnhash{$returnhash{'version'}.':'.$_}; |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
} split(/\:/,$returnhash{$returnhash{'version'}.':keys'}); |
map { |
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$returnhash{$_}=$returnhash{$version.':'.$_}; |
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} split(/\:/,$returnhash{$version.':keys'}); |
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} |
return %returnhash; |
return %returnhash; |
} |
} |
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Line 546 sub coursedescription {
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Line 669 sub coursedescription {
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$returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. |
$returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. |
$ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; |
$ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; |
$envhash{'course.'.$normalid.'.last_cache'}=time; |
$envhash{'course.'.$normalid.'.last_cache'}=time; |
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$envhash{'course.'.$normalid.'.home'}=$chome; |
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$envhash{'course.'.$normalid.'.domain'}=$cdomain; |
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$envhash{'course.'.$normalid.'.num'}=$cnum; |
&appenv(%envhash); |
&appenv(%envhash); |
return %returnhash; |
return %returnhash; |
} |
} |
Line 772 sub allowed {
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Line 898 sub allowed {
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} |
} |
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# Course: uri itself is a course |
# Course: uri itself is a course |
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my $courseuri=$uri; |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$uri} |
$courseuri=~s/\_(\d)/\/$1/; |
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if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseuri} |
=~/$priv\&([^\:]*)/) { |
=~/$priv\&([^\:]*)/) { |
$thisallowed.=$1; |
$thisallowed.=$1; |
} |
} |
Line 968 sub allowed {
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Line 1095 sub allowed {
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return 'F'; |
return 'F'; |
} |
} |
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# ---------------------------------------------------------- Refresh State Info |
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sub refreshstate { |
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} |
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# ----------------------------------------------------------------- Define Role |
# ----------------------------------------------------------------- Define Role |
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sub definerole { |
sub definerole { |
Line 1031 sub fileembstyle {
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Line 1153 sub fileembstyle {
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# ------------------------------------------------------------ Description Text |
# ------------------------------------------------------------ Description Text |
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sub filedecription { |
sub filedescription { |
my $ending=shift; |
my $ending=shift; |
return $fd{$ending}; |
return $fd{$ending}; |
} |
} |
Line 1192 sub condval {
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Line 1314 sub condval {
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# --------------------------------------------------------- Value of a Variable |
# --------------------------------------------------------- Value of a Variable |
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sub varval { |
sub EXT { |
my $varname=shift; |
my $varname=shift; |
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unless ($varname) { return ''; } |
my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); |
my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); |
my $rest; |
my $rest; |
if ($therest[0]) { |
if ($therest[0]) { |
Line 1256 sub varval {
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Line 1379 sub varval {
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return $ENV{'course.'.$ENV{'request.course.id'}.$section.'.'. |
return $ENV{'course.'.$ENV{'request.course.id'}.$section.'.'. |
$spacequalifierrest}; |
$spacequalifierrest}; |
} elsif ($realm eq 'resource') { |
} elsif ($realm eq 'resource') { |
# ----------------------------------------------------------- resource metadata |
if ($ENV{'request.course.id'}) { |
my $uri=&declutter($ENV{'request.filename'}); |
# ----------------------------------------------------- Cascading lookup scheme |
my $filename=$perlvar{'lonDocRoot'}.'/res/'.$ENV.'.meta'; |
my $symbp=&symbread(); |
if (-e $filename) { |
my $mapp=(split(/\_\_\_/,$symbp))[0]; |
my @content; |
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{ |
my $symbparm=$symbp.'.'.$spacequalifierrest; |
my $fh=Apache::File->new($filename); |
my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
@content=<$fh>; |
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} |
my $seclevel= |
if (join('',@content)=~ |
$ENV{'request.course.id'}.'.['. |
/\<$space[^\>]*\>([^\<]*)\<\/$space\>/) { |
$ENV{'request.course.sec'}.'].'.$spacequalifierrest; |
return $1; |
my $seclevelr= |
} else { |
$ENV{'request.course.id'}.'.['. |
return ''; |
$ENV{'request.course.sec'}.'].'.$symbparm; |
} |
my $seclevelm= |
} |
$ENV{'request.course.id'}.'.['. |
} elsif ($realm eq 'userdata') { |
$ENV{'request.course.sec'}.'].'.$mapparm; |
my $uhome=&homeserver($qualifier,$space); |
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# ----------------------------------------------- userdata.domain.name.resource |
my $courselevel= |
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$ENV{'request.course.id'}.'.'.$spacequalifierrest; |
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my $courselevelr= |
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$ENV{'request.course.id'}.'.'.$symbparm; |
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my $courselevelm= |
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$ENV{'request.course.id'}.'.'.$mapparm; |
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# ----------------------------------------------------------- first, check user |
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my %resourcedata=get('resourcedata', |
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($courselevelr,$courselevelm,$courselevel)); |
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if ($resourcedata{$courselevelr}!~/^error\:/) { |
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if ($resourcedata{$courselevelr}) { |
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return $resourcedata{$courselevelr}; } |
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if ($resourcedata{$courselevelm}) { |
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return $resourcedata{$courselevelm}; } |
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if ($resourcedata{$courselevel}) { return $resourcedata{$courselevel}; } |
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} |
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# -------------------------------------------------------- second, check course |
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my $section=''; |
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if ($ENV{'request.course.sec'}) { |
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$section='_'.$ENV{'request.course.sec'}; |
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} |
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my $reply=&reply('get:'. |
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$ENV{'course.'.$ENV{'request.course.id'}.$section.'.domain'}.':'. |
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$ENV{'course.'.$ENV{'request.course.id'}.$section.'.num'}. |
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':resourcedata:'. |
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escape($seclevelr).':'.escape($seclevelm).':'.escape($seclevel).':'. |
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escape($courselevelr).':'.escape($courselevelm).':'.escape($courselevel), |
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$ENV{'course.'.$ENV{'request.course.id'}.$section.'.home'}); |
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if ($reply!~/^error\:/) { |
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map { |
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my ($name,$value)=split(/\=/,$_); |
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$resourcedata{unescape($name)}=unescape($value); |
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} split(/\&/,$reply); |
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if ($resourcedata{$seclevelr}) { return $resourcedata{$seclevelr}; } |
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if ($resourcedata{$seclevelm}) { return $resourcedata{$seclevelm}; } |
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if ($resourcedata{$seclevel}) { return $resourcedata{$seclevel}; } |
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if ($resourcedata{$courselevelr}) { |
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return $resourcedata{$courselevelr}; } |
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if ($resourcedata{$courselevelm}) { |
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return $resourcedata{$courselevelm}; } |
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if ($resourcedata{$courselevel}) { return $resourcedata{$courselevel}; } |
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} |
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# ------------------------------------------------------ third, check map parms |
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my %parmhash=(); |
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my $thisparm=''; |
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if (tie(%parmhash,'GDBM_File', |
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$ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640)) { |
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$thisparm=$parmhash{$symbparm}; |
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untie(%parmhash); |
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} |
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if ($thisparm) { return $thisparm; } |
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} |
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# --------------------------------------------- last, look in resource metadata |
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my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest); |
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if ($metadata) { return $metadata; } |
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# ---------------------------------------------------- Any other user namespace |
# ---------------------------------------------------- Any other user namespace |
} elsif ($realm eq 'environment') { |
} elsif ($realm eq 'environment') { |
# ----------------------------------------------------------------- environment |
# ----------------------------------------------------------------- environment |
Line 1288 sub varval {
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Line 1476 sub varval {
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return ''; |
return ''; |
} |
} |
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# ---------------------------------------------------------------- Get metadata |
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sub metadata { |
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my ($uri,$what)=@_; |
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$uri=&declutter($uri); |
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my $filename=$uri; |
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$uri=~s/\.meta$//; |
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unless ($metacache{$uri.':keys'}) { |
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unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
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my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename); |
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my $parser=HTML::TokeParser->new(\$metastring); |
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my $token; |
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while ($token=$parser->get_token) { |
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if ($token->[0] eq 'S') { |
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my $entry=$token->[1]; |
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my $unikey=$entry; |
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if (defined($token->[2]->{'part'})) { |
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$unikey.='_'.$token->[2]->{'part'}; |
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} |
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if (defined($token->[2]->{'name'})) { |
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$unikey.='_'.$token->[2]->{'name'}; |
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} |
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if ($metacache{$uri.':keys'}) { |
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$metacache{$uri.':keys'}.=','.$unikey; |
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} else { |
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$metacache{$uri.':keys'}=$unikey; |
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} |
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map { |
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$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
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} @{$token->[3]}; |
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$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry); |
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} |
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} |
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} |
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return $metacache{$uri.':'.$what}; |
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} |
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# ------------------------------------------------- Update symbolic store links |
# ------------------------------------------------- Update symbolic store links |
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sub symblist { |
sub symblist { |
Line 1340 sub symbread {
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Line 1565 sub symbread {
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&GDBM_READER,0640)) { |
&GDBM_READER,0640)) { |
# ---------------------------------------------- Get ID(s) for current resource |
# ---------------------------------------------- Get ID(s) for current resource |
my $ids=$bighash{'ids_/res/'.$thisfn}; |
my $ids=$bighash{'ids_/res/'.$thisfn}; |
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unless ($ids) { |
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$ids=$bighash{'ids_/'.$thisfn}; |
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} |
if ($ids) { |
if ($ids) { |
# ------------------------------------------------------------------- Has ID(s) |
# ------------------------------------------------------------------- Has ID(s) |
my @possibilities=split(/\,/,$ids); |
my @possibilities=split(/\,/,$ids); |
Line 1367 sub symbread {
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Line 1595 sub symbread {
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untie(%bighash) |
untie(%bighash) |
} |
} |
} |
} |
if ($syval) { return $syval.'___'.$thisfn; } |
if ($syval) { |
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return $syval.'___'.$thisfn; |
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} |
} |
} |
&appenv('request.ambiguous' => $thisfn); |
&appenv('request.ambiguous' => $thisfn); |
return ''; |
return ''; |
Line 1418 sub filelocation {
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Line 1648 sub filelocation {
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my ($dir,$file) = @_; |
my ($dir,$file) = @_; |
my $location; |
my $location; |
$file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces |
$file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces |
$file=~s/^$perlvar{'lonDocRoot'}//; |
if ($file=~m:^/~:) { # is a contruction space reference |
$file=~s:^/*res::; |
$location = $file; |
if ( !( $file =~ m:^/:) ) { |
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; |
$location = $dir. '/'.$file; |
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} else { |
} else { |
$location = '/home/httpd/html/res'.$file; |
$file=~s/^$perlvar{'lonDocRoot'}//; |
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$file=~s:^/*res::; |
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if ( !( $file =~ m:^/:) ) { |
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$location = $dir. '/'.$file; |
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} else { |
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$location = '/home/httpd/html/res'.$file; |
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} |
} |
} |
$location=~s://+:/:g; # remove duplicate / |
$location=~s://+:/:g; # remove duplicate / |
while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. |
while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. |
Line 1543 if ($readit ne 'done') {
|
Line 1778 if ($readit ne 'done') {
|
} |
} |
} |
} |
|
|
|
%metacache=(); |
|
|
$readit='done'; |
$readit='done'; |
&logthis('<font color=yellow>INFO: Read configuration</font>'); |
&logthis('<font color=yellow>INFO: Read configuration</font>'); |