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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.568 and 1.579

version 1.568, 2004/11/10 22:20:50 version 1.579, 2004/12/17 22:40:09
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 1406  sub finishuserfileupload { Line 1406  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 1490  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 1570  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'}}.='&'.$what;
     } else {      } else {
Line 1642  sub get_course_adv_roles { Line 1644  sub get_course_adv_roles {
         if (($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 1716  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 $tryserver (keys %libserv) {
Line 1721  sub courseiddump { Line 1724  sub courseiddump {
     if ((!$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) && ($value)) {
Line 2396  sub rolesinit { Line 2400  sub rolesinit {
             my ($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);
             $userroles.=&set_arearole($trole,$area,$tstart,$tend);              $userroles.=&set_arearole($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 2773  sub customaccess { Line 2777  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 3058  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 3687  sub writecoursepref { Line 3691  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',$udom)) {
Line 3722  sub createcourse { Line 3726  sub createcourse {
 # ----------------------------------------------------------------- Course made  # ----------------------------------------------------------------- Course made
 # log existence  # log existence
     &courseidput($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 3813  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 3901  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 4621  sub gettitle { Line 4712  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 4782  sub symbread { Line 4875  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,$1)) {
Line 4892  sub numval2 { Line 4986  sub numval2 {
     return int($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 4932  sub rndseed { Line 5043  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 5029  sub rndseed_64bit3 { Line 5146  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 5048  sub rndseed_CODE_64bit { Line 5189  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 5332  sub current_machine_ids { Line 5492  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\///;
Removed from v.1.568  
changed lines
  Added in v.1.579

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