--- loncom/lonnet/perl/lonnet.pm 2004/11/10 19:03:04 1.567 +++ loncom/lonnet/perl/lonnet.pm 2004/12/20 20:47:23 1.581 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.567 2004/11/10 19:03:04 raeburn Exp $ +# $Id: lonnet.pm,v 1.581 2004/12/20 20:47:23 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,7 +38,7 @@ use vars qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache %courselogs %accesshash %userrolehash $processmarker $dumpcount - %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseresdatacache + %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %courseresdatacache %userresdatacache %getsectioncache %domaindescription %domain_auth_def %domain_auth_arg_def %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir $_64bit); @@ -1406,13 +1406,13 @@ sub finishuserfileupload { } # Save the file { - #&Apache::lonnet::logthis("Saving to $filepath $file"); - open(my $fh,'>'.$filepath.'/'.$file); - print $fh $ENV{'form.'.$formname}; - close($fh); + open(FH,'>'.$filepath.'/'.$file); + print FH $ENV{'form.'.$formname}; + close(FH); } # Notify homeserver to grep it # + &Apache::lonnet::logthis("fetching ".$path.$file); my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { # @@ -1490,12 +1490,12 @@ sub flushcourselogs { if ($courseidbuffer{$coursehombuf{$crsid}}) { $courseidbuffer{$coursehombuf{$crsid}}.='&'. &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - '='.&escape($courseinstcodebuf{$crsid}); + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); } else { $courseidbuffer{$coursehombuf{$crsid}}= &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - '='.&escape($courseinstcodebuf{$crsid}); - } + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); + } } # # Write course id database (reverse lookup) to homeserver of courses @@ -1570,6 +1570,8 @@ sub courselog { $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; $courseinstcodebuf{$ENV{'request.course.id'}}= $ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'}; + $courseownerbuf{$ENV{'request.course.id'}}= + $ENV{'course.'.$ENV{'request.course.id'}.'.internal.courseowner'}; if (defined $courselogs{$ENV{'request.course.id'}}) { $courselogs{$ENV{'request.course.id'}}.='&'.$what; } else { @@ -1642,6 +1644,7 @@ sub get_course_adv_roles { if (($tend) && ($tend<$now)) { next; } if (($tstart) && ($now<$tstart)) { next; } my ($role,$username,$domain,$section)=split(/\:/,$_); + if ($username eq '' || $domain eq '') { next; } if ((&privileged($username,$domain)) && (!$nothide{$username.':'.$domain})) { next; } my $key=&plaintext($role); @@ -1713,7 +1716,7 @@ sub courseidput { } sub courseiddump { - my ($domfilter,$descfilter,$sincefilter,$hostidflag,$hostidref)=@_; + my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$hostidflag,$hostidref)=@_; my %returnhash=(); unless ($domfilter) { $domfilter=''; } foreach my $tryserver (keys %libserv) { @@ -1721,7 +1724,8 @@ sub courseiddump { if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { foreach ( split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. - $sincefilter.':'.&escape($descfilter), + $sincefilter.':'.&escape($descfilter).':'. + &escape($instcodefilter).':'.&escape($ownerfilter), $tryserver))) { my ($key,$value)=split(/\=/,$_); if (($key) && ($value)) { @@ -2396,7 +2400,7 @@ sub rolesinit { my ($area,$role)=split(/=/,$_); $area=~s/\_\w\w$//; my ($trole,$tend,$tstart)=split(/_/,$role); - $userroles.=&set_arearole($trole,$area,$tstart,$tend); + $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username); if (($tend!=0) && ($tend<$now)) { $trole=''; } if (($tstart!=0) && ($tstart>$now)) { $trole=''; } if (($area ne '') && ($trole ne '')) { @@ -2773,7 +2777,7 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri)=@_; + my ($priv,$uri,$symb)=@_; $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); @@ -3054,7 +3058,7 @@ sub allowed { if ($thisallowed=~/X/) { if ($ENV{'acc.randomout'}) { - my $symb=&symbread($uri,1); + if (!$symb) { $symb=&symbread($uri,1); } if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) { return ''; } @@ -3687,7 +3691,7 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard,$inst_code)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { @@ -3722,7 +3726,7 @@ sub createcourse { # ----------------------------------------------------------------- Course made # log existence &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). - '='.&escape($inst_code),$uhome); + ':'.&escape($inst_code).':'.&escape($course_owner),$uhome); &flushcourselogs(); # set toplevel url my $topurl=$url; @@ -3809,6 +3813,75 @@ sub mark_as_readonly { return; } +# ------------------------------------------------------------Save Selected Files + +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); + foreach my $file (@files) { + print (OUT $ENV{'form.currentpath'}.$file."\n"); + } + foreach my $file (@other_files) { + print (OUT $file."\n"); + } + close (OUT); + return 'ok'; +} + +sub clear_selected_files { + my ($user) = @_; + my $filename = $user."savedfiles"; + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + print (OUT undef); + close (OUT); + return ("ok"); +} + +sub files_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my %return_files; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line_in = ) { + chomp ($line_in); + my @paths_and_file = split (m!/!, $line_in); + my $file_part = pop (@paths_and_file); + my $path_part = join ('/', @paths_and_file); + $path_part.='/'; + my $path_and_file = $path_part.$file_part; + if ($path_part eq $path) { + $return_files{$file_part}= 'selected'; + } + } + close (IN); + return (\%return_files); +} + +# called in portfolio select mode, to show files selected NOT in current directory +sub files_not_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my @return_files; + my $path_part; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while () { + #ok, I know it's clunky, but I want it to work + my @paths_and_file = split m!/!, $_; + my $file_part = pop (@paths_and_file); + chomp ($file_part); + my $path_part = join ('/', @paths_and_file); + $path_part .= '/'; + my $path_and_file = $path_part.$file_part; + if ($path_part ne $path) { + push (@return_files, ($path_and_file)); + } + } + close (OUT); + return (@return_files); +} + #--------------------------------------------------------------Get Marked as Read Only sub get_marked_as_readonly { @@ -3828,7 +3901,25 @@ sub get_marked_as_readonly { } return @readonly_files; } +#-----------------------------------------------------------Get Marked as Read Only Hash +sub get_marked_as_readonly_hash { + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my %readonly_files; + while (my ($file_name,$value) = each(%current_permissions)) { + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + if ($stored_what eq $what) { + $readonly_files{$file_name} = 'locked'; + } elsif (!defined($what)) { + $readonly_files{$file_name} = 'locked'; + } + } + } + } + return %readonly_files; +} # ------------------------------------------------------------ Unmark as Read Only sub unmark_as_readonly { @@ -4621,7 +4712,9 @@ sub gettitle { my $symb=&symbread($urlsymb); if ($symb) { my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); - if (defined($cached)) { return $result; } + if (defined($cached)) { + return $result; + } my ($map,$resid,$url)=&decode_symb($symb); my $title=''; my %bighash; @@ -4710,7 +4803,7 @@ sub symbverify { sub symbclean { my $symb=shift; - + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } # remove version from map $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; @@ -4731,7 +4824,9 @@ sub encode_symb { } sub decode_symb { - my ($map,$resid,$url)=split(/\_\_\_/,shift); + my $symb=shift; + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } + my ($map,$resid,$url)=split(/___/,$symb); return (&fixversion($map),$resid,&fixversion($url)); } @@ -4780,6 +4875,7 @@ sub symbread { } $thisfn=$ENV{'request.filename'}; } + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } # is that filename actually a symb? Verify, clean, and return if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { if (&symbverify($thisfn,$1)) { @@ -4890,8 +4986,25 @@ sub numval2 { return int($total); } +sub numval3 { + use integer; + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { $total=(($total<<32)>>32); } + return $total; +} + sub latest_rnd_algorithm_id { - return '64bit3'; + return '64bit4'; } sub get_rand_alg { @@ -4930,7 +5043,13 @@ sub rndseed { if (!$username) { $username=$wusername } my $which=&get_rand_alg(); if (defined(&getCODE())) { - return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + if ($which eq '64bit4') { + return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); + } else { + return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + } + } elsif ($which eq '64bit4') { + return &rndseed_64bit4($symb,$courseid,$domain,$username); } elsif ($which eq '64bit3') { return &rndseed_64bit3($symb,$courseid,$domain,$username); } elsif ($which eq '64bit2') { @@ -5027,6 +5146,30 @@ sub rndseed_64bit3 { } } +sub rndseed_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval3($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval3($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + sub rndseed_CODE_64bit { my ($symb,$courseid,$domain,$username)=@_; { @@ -5046,6 +5189,25 @@ sub rndseed_CODE_64bit { } } +sub rndseed_CODE_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval3($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval3(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + sub setup_random_from_rndseed { my ($rndseed)=@_; if ($rndseed =~/([,:])/) { @@ -5330,6 +5492,7 @@ sub current_machine_ids { sub declutter { my $thisfn=shift; + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; $thisfn=~s/^\///; $thisfn=~s/^res\///; @@ -5383,10 +5546,10 @@ sub thaw_unescape { } sub mod_perl_version { + return 1; if (defined($perlvar{'MODPERL2'})) { return 2; } - return 1; } sub correct_line_ends { @@ -5419,6 +5582,7 @@ BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf unless ($readit) { { + # FIXME: Use LONCAPA::Configuration::read_conf here and omit next block open(my $config,") { @@ -5565,7 +5729,7 @@ $readit=1; { use integer; my $test=(2**32)+1; - if ($test != 0) { $_64bit=1; } + if ($test != 0) { $_64bit=1; } else { $_64bit=0; } &logthis(" Detected 64bit platform ($_64bit)"); } }