Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.567 and 1.594

version 1.567, 2004/11/10 19:03:04 version 1.594, 2005/02/05 06:48:38
Line 38  use vars Line 38  use vars
 qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom   qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom 
    %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache     %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache
    %courselogs %accesshash %userrolehash $processmarker $dumpcount      %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      %userresdatacache %getsectioncache %domaindescription %domain_auth_def %domain_auth_arg_def 
    %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir $_64bit);     %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir $_64bit);
   
Line 157  sub reply { Line 157  sub reply {
     my ($cmd,$server)=@_;      my ($cmd,$server)=@_;
     unless (defined($hostname{$server})) { return 'no_such_host'; }      unless (defined($hostname{$server})) { return 'no_such_host'; }
     my $answer=subreply($cmd,$server);      my $answer=subreply($cmd,$server);
     if ($answer eq 'con_lost') {  
         #sleep 5;   
         #$answer=subreply($cmd,$server);  
         #if ($answer eq 'con_lost') {  
  #   &logthis("Second attempt con_lost on $server");  
         #   my $peerfile="$perlvar{'lonSockDir'}/$server";  
         #   my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",  
         #                                    Type    => SOCK_STREAM,  
         #                                    Timeout => 10)  
         #              or return "con_lost";  
         #   &logthis("Killing socket");  
         #   print $client "close_connection_exit\n";  
            #sleep 5;  
         #   $answer=subreply($cmd,$server);         
        #}     
     }  
     if (($answer=~/^refused/) || ($answer=~/^rejected/)) {      if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
        &logthis("<font color=blue>WARNING:".         &logthis("<font color=blue>WARNING:".
                 " $cmd to $server returned $answer</font>");                  " $cmd to $server returned $answer</font>");
Line 220  sub critical { Line 204  sub critical {
     }      }
     my $answer=reply($cmd,$server);      my $answer=reply($cmd,$server);
     if ($answer eq 'con_lost') {      if ($answer eq 'con_lost') {
         my $pingreply=reply('ping',$server);  
  &reconlonc("$perlvar{'lonSockDir'}/$server");   &reconlonc("$perlvar{'lonSockDir'}/$server");
         my $pongreply=reply('pong',$server);   my $answer=reply($cmd,$server);
         &logthis("Ping/Pong for $server: $pingreply/$pongreply");  
         $answer=reply($cmd,$server);  
         if ($answer eq 'con_lost') {          if ($answer eq 'con_lost') {
             my $now=time;              my $now=time;
             my $middlename=$cmd;              my $middlename=$cmd;
Line 1406  sub finishuserfileupload { Line 1387  sub finishuserfileupload {
     }      }
 # Save the file  # Save the file
     {      {
  #&Apache::lonnet::logthis("Saving to $filepath $file");   open(FH,'>'.$filepath.'/'.$file);
        open(my $fh,'>'.$filepath.'/'.$file);   print FH $ENV{'form.'.$formname};
        print $fh $ENV{'form.'.$formname};   close(FH);
        close($fh);  
     }      }
 # Notify homeserver to grep it  # Notify homeserver to grep it
 #  #
       &Apache::lonnet::logthis("fetching ".$path.$file);
     my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);      my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
     if ($fetchresult eq 'ok') {      if ($fetchresult eq 'ok') {
 #  #
Line 1490  sub flushcourselogs { Line 1471  sub flushcourselogs {
         if ($courseidbuffer{$coursehombuf{$crsid}}) {          if ($courseidbuffer{$coursehombuf{$crsid}}) {
            $courseidbuffer{$coursehombuf{$crsid}}.='&'.             $courseidbuffer{$coursehombuf{$crsid}}.='&'.
  &escape($crsid).'='.&escape($coursedescrbuf{$crsid}).   &escape($crsid).'='.&escape($coursedescrbuf{$crsid}).
                          '='.&escape($courseinstcodebuf{$crsid});                           ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid});
         } else {          } else {
            $courseidbuffer{$coursehombuf{$crsid}}=             $courseidbuffer{$coursehombuf{$crsid}}=
  &escape($crsid).'='.&escape($coursedescrbuf{$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   # Write course id database (reverse lookup) to homeserver of courses 
Line 1570  sub courselog { Line 1551  sub courselog {
        $ENV{'course.'.$ENV{'request.course.id'}.'.description'};         $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
     $courseinstcodebuf{$ENV{'request.course.id'}}=      $courseinstcodebuf{$ENV{'request.course.id'}}=
        $ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'};         $ENV{'course.'.$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'}}) {      if (defined $courselogs{$ENV{'request.course.id'}}) {
  $courselogs{$ENV{'request.course.id'}}.='&'.$what;   $courselogs{$ENV{'request.course.id'}}.='&'.$what;
     } else {      } else {
Line 1586  sub courseacclog { Line 1569  sub courseacclog {
     my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'};      my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'};
     if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) {      if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) {
         $what.=':POST';          $what.=':POST';
           # FIXME: Probably ought to escape things....
  foreach (keys %ENV) {   foreach (keys %ENV) {
             if ($_=~/^form\.(.*)/) {              if ($_=~/^form\.(.*)/) {
  $what.=':'.$1.'='.$ENV{$_};   $what.=':'.$1.'='.$ENV{$_};
             }              }
         }          }
       } elsif ($fnsymb =~ m:^/adm/searchcat:) {
           # FIXME: We should not be depending on a form parameter that someone
           # editing lonsearchcat.pm might change in the future.
           if ($ENV{'form.phase'} eq 'course_search') {
               $what.= ':POST';
               # FIXME: Probably ought to escape things....
               foreach my $element ('courseexp','crsfulltext','crsrelated',
                                    'crsdiscuss') {
                   $what.=':'.$element.'='.$ENV{'form.'.$element};
               }
           }
     }      }
     &courselog($what);      &courselog($what);
 }  }
Line 1642  sub get_course_adv_roles { Line 1637  sub get_course_adv_roles {
         if (($tend) && ($tend<$now)) { next; }          if (($tend) && ($tend<$now)) { next; }
         if (($tstart) && ($now<$tstart)) { next; }          if (($tstart) && ($now<$tstart)) { next; }
         my ($role,$username,$domain,$section)=split(/\:/,$_);          my ($role,$username,$domain,$section)=split(/\:/,$_);
    if ($username eq '' || $domain eq '') { next; }
  if ((&privileged($username,$domain)) &&    if ((&privileged($username,$domain)) && 
     (!$nothide{$username.':'.$domain})) { next; }      (!$nothide{$username.':'.$domain})) { next; }
         my $key=&plaintext($role);          my $key=&plaintext($role);
Line 1713  sub courseidput { Line 1709  sub courseidput {
 }  }
   
 sub courseiddump {  sub courseiddump {
     my ($domfilter,$descfilter,$sincefilter,$hostidflag,$hostidref)=@_;      my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$hostidflag,$hostidref)=@_;
     my %returnhash=();      my %returnhash=();
     unless ($domfilter) { $domfilter=''; }      unless ($domfilter) { $domfilter=''; }
     foreach my $tryserver (keys %libserv) {      foreach my $tryserver (keys %libserv) {
Line 1721  sub courseiddump { Line 1717  sub courseiddump {
     if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) {      if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) {
         foreach (          foreach (
                  split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'.                   split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'.
        $sincefilter.':'.&escape($descfilter),         $sincefilter.':'.&escape($descfilter).':'.
                                  &escape($instcodefilter).':'.&escape($ownerfilter),
                                $tryserver))) {                                 $tryserver))) {
     my ($key,$value)=split(/\=/,$_);      my ($key,$value)=split(/\=/,$_);
                     if (($key) && ($value)) {                      if (($key) && ($value)) {
Line 1742  sub get_first_access { Line 1739  sub get_first_access {
     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
     if ($argsymb) { $symb=$argsymb; }      if ($argsymb) { $symb=$argsymb; }
     my ($map,$id,$res)=&decode_symb($symb);      my ($map,$id,$res)=&decode_symb($symb);
     if ($type eq 'map') { $res=$map; }      if ($type eq 'map') {
     my %times=&get('firstaccesstimes',[$res],$udom,$uname);   $res=&symbread($map);
     return $times{$res};      } else {
    $res=$symb;
       }
       my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname);
       return $times{"$courseid\0$res"};
 }  }
   
 sub set_first_access {  sub set_first_access {
     my ($type)=@_;      my ($type)=@_;
     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
     my ($map,$id,$res)=&decode_symb($symb);      my ($map,$id,$res)=&decode_symb($symb);
     if ($type eq 'map') { $res=$map; }      if ($type eq 'map') {
     my $firstaccess=&get_first_access($type);   $res=&symbread($map);
       } else {
    $res=$symb;
       }
       my $firstaccess=&get_first_access($type,$symb);
     if (!$firstaccess) {      if (!$firstaccess) {
  return &put('firstaccesstimes',{$res=>time},$udom,$uname);   return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname);
     }      }
     return 'already_set';      return 'already_set';
 }  }
Line 2095  sub tmpreset { Line 2100  sub tmpreset {
   $namespace=~s/\//\_/g;    $namespace=~s/\//\_/g;
   $namespace=~s/\W//g;    $namespace=~s/\W//g;
   
   #FIXME needs to do something for /pub resources  
   if (!$domain) { $domain=$ENV{'user.domain'}; }    if (!$domain) { $domain=$ENV{'user.domain'}; }
   if (!$stuname) { $stuname=$ENV{'user.name'}; }    if (!$stuname) { $stuname=$ENV{'user.name'}; }
     if ($domain eq 'public' && $stuname eq 'public') {
         $stuname=$ENV{'REMOTE_ADDR'};
     }
   my $path=$perlvar{'lonDaemons'}.'/tmp';    my $path=$perlvar{'lonDaemons'}.'/tmp';
   my %hash;    my %hash;
   if (tie(%hash,'GDBM_File',    if (tie(%hash,'GDBM_File',
Line 2130  sub tmpstore { Line 2137  sub tmpstore {
   }    }
   $namespace=~s/\//\_/g;    $namespace=~s/\//\_/g;
   $namespace=~s/\W//g;    $namespace=~s/\W//g;
 #FIXME needs to do something for /pub resources  
   if (!$domain) { $domain=$ENV{'user.domain'}; }    if (!$domain) { $domain=$ENV{'user.domain'}; }
   if (!$stuname) { $stuname=$ENV{'user.name'}; }    if (!$stuname) { $stuname=$ENV{'user.name'}; }
     if ($domain eq 'public' && $stuname eq 'public') {
         $stuname=$ENV{'REMOTE_ADDR'};
     }
   my $now=time;    my $now=time;
   my %hash;    my %hash;
   my $path=$perlvar{'lonDaemons'}.'/tmp';    my $path=$perlvar{'lonDaemons'}.'/tmp';
Line 2144  sub tmpstore { Line 2153  sub tmpstore {
     my $allkeys='';       my $allkeys=''; 
     foreach my $key (keys(%$storehash)) {      foreach my $key (keys(%$storehash)) {
       $allkeys.=$key.':';        $allkeys.=$key.':';
       $hash{"$version:$symb:$key"}=$$storehash{$key};        $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key});
     }      }
     $hash{"$version:$symb:timestamp"}=$now;      $hash{"$version:$symb:timestamp"}=$now;
     $allkeys.='timestamp';      $allkeys.='timestamp';
Line 2171  sub tmprestore { Line 2180  sub tmprestore {
   $symb=escape($symb);    $symb=escape($symb);
   
   if (!$namespace) { $namespace=$ENV{'request.state'}; }    if (!$namespace) { $namespace=$ENV{'request.state'}; }
   #FIXME needs to do something for /pub resources  
   if (!$domain) { $domain=$ENV{'user.domain'}; }    if (!$domain) { $domain=$ENV{'user.domain'}; }
   if (!$stuname) { $stuname=$ENV{'user.name'}; }    if (!$stuname) { $stuname=$ENV{'user.name'}; }
     if ($domain eq 'public' && $stuname eq 'public') {
         $stuname=$ENV{'REMOTE_ADDR'};
     }
   my %returnhash;    my %returnhash;
   $namespace=~s/\//\_/g;    $namespace=~s/\//\_/g;
   $namespace=~s/\W//g;    $namespace=~s/\W//g;
Line 2192  sub tmprestore { Line 2203  sub tmprestore {
       my $key;        my $key;
       $returnhash{"$scope:keys"}=$vkeys;        $returnhash{"$scope:keys"}=$vkeys;
       foreach $key (@keys) {        foreach $key (@keys) {
  $returnhash{"$scope:$key"}=$hash{"$scope:$symb:$key"};   $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
  $returnhash{"$key"}=$hash{"$scope:$symb:$key"};   $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
       }        }
     }      }
     if (!(untie(%hash))) {      if (!(untie(%hash))) {
Line 2234  sub store { Line 2245  sub store {
   
     my $namevalue='';      my $namevalue='';
     foreach (keys %$storehash) {      foreach (keys %$storehash) {
         $namevalue.=escape($_).'='.escape($$storehash{$_}).'&';          $namevalue.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&';
     }      }
     $namevalue=~s/\&$//;      $namevalue=~s/\&$//;
     &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);      &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);
Line 2270  sub cstore { Line 2281  sub cstore {
   
     my $namevalue='';      my $namevalue='';
     foreach (keys %$storehash) {      foreach (keys %$storehash) {
         $namevalue.=escape($_).'='.escape($$storehash{$_}).'&';          $namevalue.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&';
     }      }
     $namevalue=~s/\&$//;      $namevalue=~s/\&$//;
     &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);      &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);
Line 2304  sub restore { Line 2315  sub restore {
     my %returnhash=();      my %returnhash=();
     foreach (split(/\&/,$answer)) {      foreach (split(/\&/,$answer)) {
  my ($name,$value)=split(/\=/,$_);   my ($name,$value)=split(/\=/,$_);
         $returnhash{&unescape($name)}=&unescape($value);          $returnhash{&unescape($name)}=&thaw_unescape($value);
     }      }
     my $version;      my $version;
     for ($version=1;$version<=$returnhash{'version'};$version++) {      for ($version=1;$version<=$returnhash{'version'};$version++) {
Line 2360  sub privileged { Line 2371  sub privileged {
     my $now=time;      my $now=time;
     if ($rolesdump ne '') {      if ($rolesdump ne '') {
         foreach (split(/&/,$rolesdump)) {          foreach (split(/&/,$rolesdump)) {
     if ($_!~/^rolesdef\&/) {      if ($_!~/^rolesdef_/) {
  my ($area,$role)=split(/=/,$_);   my ($area,$role)=split(/=/,$_);
  $area=~s/\_\w\w$//;   $area=~s/\_\w\w$//;
  my ($trole,$tend,$tstart)=split(/_/,$role);   my ($trole,$tend,$tstart)=split(/_/,$role);
Line 2392  sub rolesinit { Line 2403  sub rolesinit {
   
     if ($rolesdump ne '') {      if ($rolesdump ne '') {
         foreach (split(/&/,$rolesdump)) {          foreach (split(/&/,$rolesdump)) {
   if ($_!~/^rolesdef\&/) {    if ($_!~/^rolesdef_/) {
             my ($area,$role)=split(/=/,$_);              my ($area,$role)=split(/=/,$_);
             $area=~s/\_\w\w$//;      $area=~s/\_\w\w$//;
             my ($trole,$tend,$tstart)=split(/_/,$role);      
             $userroles.=&set_arearole($trole,$area,$tstart,$tend);              my ($trole,$tend,$tstart);
       if ($role=~/^cr/) { 
    ($trole,my $trest)=($role=~m|^(cr/\w+/\w+/[a-zA-Z0-9]+)_(.*)$|);
    ($tend,$tstart)=split('_',$trest);
       } else {
    ($trole,$tend,$tstart)=split(/_/,$role);
       }
               $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username);
             if (($tend!=0) && ($tend<$now)) { $trole=''; }              if (($tend!=0) && ($tend<$now)) { $trole=''; }
             if (($tstart!=0) && ($tstart>$now)) { $trole=''; }              if (($tstart!=0) && ($tstart>$now)) { $trole=''; }
             if (($area ne '') && ($trole ne '')) {              if (($area ne '') && ($trole ne '')) {
Line 2688  sub putstore { Line 2706  sub putstore {
            my $key = $1.':keys:'.$2;             my $key = $1.':keys:'.$2;
            $allitems{$key} .= $3.':';             $allitems{$key} .= $3.':';
        }         }
        $items.=$_.'='.&escape($$storehash{$_}).'&';         $items.=$_.'='.&freeze_escape($$storehash{$_}).'&';
    }     }
    foreach (keys %allitems) {     foreach (keys %allitems) {
        $allitems{$_} =~ s/\:$//;         $allitems{$_} =~ s/\:$//;
Line 2773  sub customaccess { Line 2791  sub customaccess {
 # ------------------------------------------------- Check for a user privilege  # ------------------------------------------------- Check for a user privilege
   
 sub allowed {  sub allowed {
     my ($priv,$uri)=@_;      my ($priv,$uri,$symb)=@_;
     $uri=&deversion($uri);      $uri=&deversion($uri);
     my $orguri=$uri;      my $orguri=$uri;
     $uri=&declutter($uri);      $uri=&declutter($uri);
Line 3054  sub allowed { Line 3072  sub allowed {
   
    if ($thisallowed=~/X/) {     if ($thisallowed=~/X/) {
       if ($ENV{'acc.randomout'}) {        if ($ENV{'acc.randomout'}) {
          my $symb=&symbread($uri,1);   if (!$symb) { $symb=&symbread($uri,1); }
          if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) {            if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) { 
             return '';               return ''; 
          }           }
Line 3356  sub auto_instcode_format { Line 3374  sub auto_instcode_format {
     my $courses = '';      my $courses = '';
     my $homeserver;      my $homeserver;
     if ($caller eq 'global') {      if ($caller eq 'global') {
         $homeserver = $perlvar{'lonHostID'};          foreach my $tryserver (keys %libserv) {
               if ($hostdom{$tryserver} eq $codedom) {
                   $homeserver = $tryserver;
                   last;
               }
           }
           if (($ENV{'user.name'}) && ($ENV{'user.domain'} eq $codedom)) {
               $homeserver = &homeserver($ENV{'user.name'},$codedom);
           }
     } else {      } else {
         $homeserver = &homeserver($caller,$codedom);          $homeserver = &homeserver($caller,$codedom);
     }      }
     my $host=$hostname{$homeserver};  
     foreach (keys %{$instcodes}) {      foreach (keys %{$instcodes}) {
         $courses .= &escape($_).'='.&escape($$instcodes{$_}).'&';          $courses .= &escape($_).'='.&escape($$instcodes{$_}).'&';
     }      }
Line 3551  sub modifyuser { Line 3576  sub modifyuser {
     if (defined($middle)) { $names{'middlename'} = $middle; }      if (defined($middle)) { $names{'middlename'} = $middle; }
     if ($last)   { $names{'lastname'}   = $last; }      if ($last)   { $names{'lastname'}   = $last; }
     if (defined($gene))   { $names{'generation'} = $gene; }      if (defined($gene))   { $names{'generation'} = $gene; }
     if ($email)  { $names{'notification'} = $email;      if ($email) {
                    $names{'critnotification'} = $email; }         $email=~s/[^\w\@\.\-\,]//gs;
          if ($email=~/\@/) { $names{'notification'} = $email;
      $names{'critnotification'} = $email;
      $names{'permanentemail'} = $email; }
       }
     my $reply = &put('environment', \%names, $udom,$uname);      my $reply = &put('environment', \%names, $udom,$uname);
     if ($reply ne 'ok') { return 'error: '.$reply; }      if ($reply ne 'ok') { return 'error: '.$reply; }
     &logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '.      &logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '.
Line 3687  sub writecoursepref { Line 3715  sub writecoursepref {
 # ---------------------------------------------------------- Make/modify course  # ---------------------------------------------------------- Make/modify course
   
 sub createcourse {  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);      $url=&declutter($url);
     my $cid='';      my $cid='';
     unless (&allowed('ccc',$udom)) {      unless (&allowed('ccc',$udom)) {
Line 3722  sub createcourse { Line 3750  sub createcourse {
 # ----------------------------------------------------------------- Course made  # ----------------------------------------------------------------- Course made
 # log existence  # log existence
     &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description).      &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description).
                  '='.&escape($inst_code),$uhome);                   ':'.&escape($inst_code).':'.&escape($course_owner),$uhome);
     &flushcourselogs();      &flushcourselogs();
 # set toplevel url  # set toplevel url
     my $topurl=$url;      my $topurl=$url;
Line 3809  sub mark_as_readonly { Line 3837  sub mark_as_readonly {
     return;      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 $line_in = <IN>) {
           chomp ($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 (<IN>) {
           #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  #--------------------------------------------------------------Get Marked as Read Only
   
 sub get_marked_as_readonly {  sub get_marked_as_readonly {
Line 3828  sub get_marked_as_readonly { Line 3925  sub get_marked_as_readonly {
     }      }
     return @readonly_files;      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  # ------------------------------------------------------------ Unmark as Read Only
   
 sub unmark_as_readonly {  sub unmark_as_readonly {
Line 4198  sub EXT { Line 4313  sub EXT {
  if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) {   if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) {
     if (!$symbparm) { $symbparm=&symbread(); }      if (!$symbparm) { $symbparm=&symbread(); }
  }   }
    my ($courselevelm,$courselevel);
  if ($symbparm && defined($courseid) &&    if ($symbparm && defined($courseid) && 
     $courseid eq $ENV{'request.course.id'}) {      $courseid eq $ENV{'request.course.id'}) {
   
Line 4225  sub EXT { Line 4341  sub EXT {
     my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;      my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
     my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;      my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;
   
     my $courselevel=$courseid.'.'.$spacequalifierrest;      $courselevel=$courseid.'.'.$spacequalifierrest;
     my $courselevelr=$courseid.'.'.$symbparm;      my $courselevelr=$courseid.'.'.$symbparm;
     my $courselevelm=$courseid.'.'.$mapparm;      $courselevelm=$courseid.'.'.$mapparm;
   
 # ----------------------------------------------------------- first, check user  # ----------------------------------------------------------- first, check user
     #most student don\'t have any data set, check if there is some data      #most student don\'t have any data set, check if there is some data
Line 4263  sub EXT { Line 4379  sub EXT {
  }   }
     }      }
   
 # -------------------------------------------------------- second, check course  # ------------------------------------------------ second, check some of course
   
     my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'},      my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'},
    $ENV{'course.'.$courseid.'.domain'},     $ENV{'course.'.$courseid.'.domain'},
    ($seclevelr,$seclevelm,$seclevel,     ($seclevelr,$seclevelm,$seclevel,
     $courselevelr,$courselevelm,      $courselevelr));
     $courselevel));  
     if (defined($coursereply)) { return $coursereply; }      if (defined($coursereply)) { return $coursereply; }
   
 # ------------------------------------------------------ third, check map parms  # ------------------------------------------------------ third, check map parms
Line 4283  sub EXT { Line 4398  sub EXT {
     }      }
     if ($thisparm) { return $thisparm; }      if ($thisparm) { return $thisparm; }
  }   }
 # --------------------------------------------- last, look in resource metadata  # ------------------------------------------ fourth, look in resource metadata
   
  $spacequalifierrest=~s/\./\_/;   $spacequalifierrest=~s/\./\_/;
  my $filename;   my $filename;
Line 4298  sub EXT { Line 4413  sub EXT {
  $metadata=&metadata($filename,'parameter_'.$spacequalifierrest);   $metadata=&metadata($filename,'parameter_'.$spacequalifierrest);
  if (defined($metadata)) { return $metadata; }   if (defined($metadata)) { return $metadata; }
   
   # ---------------------------------------------- fourth, look in rest pf course
    if ($symbparm && defined($courseid) && 
       $courseid eq $ENV{'request.course.id'}) {
       my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'},
      $ENV{'course.'.$courseid.'.domain'},
      ($courselevelm,$courselevel));
       if (defined($coursereply)) { return $coursereply; }
    }
 # ------------------------------------------------------------------ Cascade up  # ------------------------------------------------------------------ Cascade up
  unless ($space eq '0') {   unless ($space eq '0') {
     my @parts=split(/_/,$space);      my @parts=split(/_/,$space);
Line 4340  sub packages_tab_default { Line 4463  sub packages_tab_default {
  if (defined($packagetab{"$pack_type&$name&default"})) {   if (defined($packagetab{"$pack_type&$name&default"})) {
     return $packagetab{"$pack_type&$name&default"};      return $packagetab{"$pack_type&$name&default"};
  }   }
    if ($pack_type eq 'part') { $pack_part='0'; }
  if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {   if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
     return $packagetab{$pack_type."_".$pack_part."&$name&default"};      return $packagetab{$pack_type."_".$pack_part."&$name&default"};
  }   }
Line 4621  sub gettitle { Line 4745  sub gettitle {
     my $symb=&symbread($urlsymb);      my $symb=&symbread($urlsymb);
     if ($symb) {      if ($symb) {
  my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600);   my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600);
  if (defined($cached)) { return $result; }   if (defined($cached)) { 
       return $result;
    }
  my ($map,$resid,$url)=&decode_symb($symb);   my ($map,$resid,$url)=&decode_symb($symb);
  my $title='';   my $title='';
  my %bighash;   my %bighash;
Line 4697  sub symbverify { Line 4823  sub symbverify {
                if (                 if (
   &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)    &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
    eq $symb) {      eq $symb) { 
                   $okay=1;      if (($ENV{'request.role.adv'}) ||
                }         $bighash{'encrypted_'.$_} eq $ENV{'request.enc'}) {
          $okay=1; 
      }
          }
    }     }
         }          }
  untie(%bighash);   untie(%bighash);
Line 4710  sub symbverify { Line 4839  sub symbverify {
   
 sub symbclean {  sub symbclean {
     my $symb=shift;      my $symb=shift;
       if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
 # remove version from map  # remove version from map
     $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;      $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;
   
Line 4731  sub encode_symb { Line 4860  sub encode_symb {
 }  }
   
 sub decode_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($url));      return (&fixversion($map),$resid,&fixversion($url));
 }  }
   
Line 4780  sub symbread { Line 4911  sub symbread {
  }   }
  $thisfn=$ENV{'request.filename'};   $thisfn=$ENV{'request.filename'};
     }      }
       if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
 # is that filename actually a symb? Verify, clean, and return  # is that filename actually a symb? Verify, clean, and return
     if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {      if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
  if (&symbverify($thisfn,$1)) {   if (&symbverify($thisfn,$1)) {
Line 4890  sub numval2 { Line 5022  sub numval2 {
     return int($total);      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 {  sub latest_rnd_algorithm_id {
     return '64bit3';      return '64bit4';
 }  }
   
 sub get_rand_alg {  sub get_rand_alg {
Line 4930  sub rndseed { Line 5079  sub rndseed {
     if (!$username) { $username=$wusername }      if (!$username) { $username=$wusername }
     my $which=&get_rand_alg();      my $which=&get_rand_alg();
     if (defined(&getCODE())) {      if (defined(&getCODE())) {
  return &rndseed_CODE_64bit($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') {      } elsif ($which eq '64bit3') {
  return &rndseed_64bit3($symb,$courseid,$domain,$username);   return &rndseed_64bit3($symb,$courseid,$domain,$username);
     } elsif ($which eq '64bit2') {      } elsif ($which eq '64bit2') {
Line 5027  sub rndseed_64bit3 { Line 5182  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 {  sub rndseed_CODE_64bit {
     my ($symb,$courseid,$domain,$username)=@_;      my ($symb,$courseid,$domain,$username)=@_;
     {      {
Line 5046  sub rndseed_CODE_64bit { Line 5225  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 {  sub setup_random_from_rndseed {
     my ($rndseed)=@_;      my ($rndseed)=@_;
     if ($rndseed =~/([,:])/) {      if ($rndseed =~/([,:])/) {
Line 5252  sub readfile { Line 5450  sub readfile {
 }  }
   
 sub filelocation {  sub filelocation {
   my ($dir,$file) = @_;      my ($dir,$file) = @_;
   my $location;      my $location;
   $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces      $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
   if ($file=~m:^/~:) { # is a contruction space reference      if ($file=~m:^/~:) { # is a contruction space reference
     $location = $file;          $location = $file;
     $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:;          $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:;
   } elsif ($file=~/^\/*uploaded/) { # is an uploaded file      } elsif ($file=~/^\/*uploaded/) { # is an uploaded file
       my ($udom,$uname,$filename)=          my ($udom,$uname,$filename)=
   ($file=~m|^/+uploaded/+([^/]+)/+([^/]+)/+(.*)$|);       ($file=~m|^/+uploaded/+([^/]+)/+([^/]+)/+(.*)$|);
       my $home=&homeserver($uname,$udom);          my $home=&homeserver($uname,$udom);
       my $is_me=0;          my $is_me=0;
       my @ids=&current_machine_ids();          my @ids=&current_machine_ids();
       foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } }          foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } }
       if ($is_me) {          if ($is_me) {
   $location=&Apache::loncommon::propath($udom,$uname).       $location=&Apache::loncommon::propath($udom,$uname).
       '/userfiles/'.$filename;         '/userfiles/'.$filename;
       } else {          } else {
   $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.     $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
       $udom.'/'.$uname.'/'.$filename;         $udom.'/'.$uname.'/'.$filename;
       }          }
   } else {      } elsif ($file =~ /^\/adm\/portfolio\//) {
     $file=~s/^\Q$perlvar{'lonDocRoot'}\E//;          $file =~ s:^/adm/portfolio/::;
     $file=~s:^/res/:/:;          $location = $location=&Apache::loncommon::propath($ENV{'user.domain'},$ENV{'user.name'}).'/userfiles/portfolio/'.$file;
     if ( !( $file =~ m:^/:) ) {      } else {
       $location = $dir. '/'.$file;          $file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
     } else {          $file=~s:^/res/:/:;
       $location = '/home/httpd/html/res'.$file;          if ( !( $file =~ m:^/:) ) {
               $location = $dir. '/'.$file;
           } else {
               $location = '/home/httpd/html/res'.$file;
           }
     }      }
   }      $location=~s://+:/:g; # remove duplicate /
   $location=~s://+:/:g; # remove duplicate /      while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/..
   while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/..      while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./
   while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./      return $location;
   return $location;  
 }  }
   
 sub hreflocation {  sub hreflocation {
Line 5330  sub current_machine_ids { Line 5531  sub current_machine_ids {
   
 sub declutter {  sub declutter {
     my $thisfn=shift;      my $thisfn=shift;
       if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
     $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;      $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;
     $thisfn=~s/^\///;      $thisfn=~s/^\///;
     $thisfn=~s/^res\///;      $thisfn=~s/^res\///;
Line 5383  sub thaw_unescape { Line 5585  sub thaw_unescape {
 }  }
   
 sub mod_perl_version {  sub mod_perl_version {
       return 1;
     if (defined($perlvar{'MODPERL2'})) {      if (defined($perlvar{'MODPERL2'})) {
  return 2;   return 2;
     }      }
     return 1;  
 }  }
   
 sub correct_line_ends {  sub correct_line_ends {
Line 5419  BEGIN { Line 5621  BEGIN {
 # ----------------------------------- Read loncapa.conf and loncapa_apache.conf  # ----------------------------------- Read loncapa.conf and loncapa_apache.conf
     unless ($readit) {      unless ($readit) {
 {  {
       # FIXME: Use LONCAPA::Configuration::read_conf here and omit next block
     open(my $config,"</etc/httpd/conf/loncapa.conf");      open(my $config,"</etc/httpd/conf/loncapa.conf");
   
     while (my $configline=<$config>) {      while (my $configline=<$config>) {
Line 5565  $readit=1; Line 5768  $readit=1;
     {      {
  use integer;   use integer;
  my $test=(2**32)+1;   my $test=(2**32)+1;
  if ($test != 0) { $_64bit=1; }   if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
  &logthis(" Detected 64bit platform ($_64bit)");   &logthis(" Detected 64bit platform ($_64bit)");
     }      }
 }  }
Line 6054  returns the data handle Line 6257  returns the data handle
 =item *  =item *
   
 symbverify($symb,$thisfn) : verifies that $symb actually exists and is  symbverify($symb,$thisfn) : verifies that $symb actually exists and is
 a possible symb for the URL in $thisfn, returns a 1 on success, 0 on  a possible symb for the URL in $thisfn, and if is an encryypted
 failure, user must be in a course, as it assumes the existance of the  resource that the user accessed using /enc/ returns a 1 on success, 0
 course initi hash, and uses $ENV('request.course.id'}  on failure, user must be in a course, as it assumes the existance of
   the course initial hash, and uses $ENV('request.course.id'}
   
   
 =item *  =item *

Removed from v.1.567  
changed lines
  Added in v.1.594


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