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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.572 and 1.575

version 1.572, 2004/12/04 02:14:19 version 1.575, 2004/12/07 16:19:37
Line 3817  sub mark_as_readonly { Line 3817  sub mark_as_readonly {
 sub save_selected_files {  sub save_selected_files {
     my ($user, $path, @files) = @_;      my ($user, $path, @files) = @_;
     my $filename = $user."savedfiles";      my $filename = $user."savedfiles";
     open OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;      my @other_files = &files_not_in_path($user, $path);
       foreach (@other_files) {
           &logthis("other dir file $_");
       }
     foreach (@files) {      foreach (@files) {
         print OUT $ENV{'form.currentpath'}.$_."\n";          &logthis("current dir file $_");
       }
       open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
       foreach my $file (@files) {
           print (OUT $ENV{'form.currentpath'}.$file."\n");
     }      }
     close OUT;      foreach my $file (@other_files) {
           print (OUT $file."\n");
       }
       close (OUT);
     return 'ok';      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 {  sub files_in_path {
     my ($user, $path) = @_;      my ($user, $path) = @_;
     my $filename = $user."savedfiles";      my $filename = $user."savedfiles";
     my %return_files;      my %return_files;
     open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;      open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
     return \%return_files;      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  # called in portfolio select mode, to show files selected NOT in current directory
Line 3839  sub files_not_in_path { Line 3870  sub files_not_in_path {
     my $filename = $user."savedfiles";      my $filename = $user."savedfiles";
     my @return_files;      my @return_files;
     my $path_part;      my $path_part;
     open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;      open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
     while (<IN>) {      while (<IN>) {
         #ok, I know it's clunky, but I want it to work          #ok, I know it's clunky, but I want it to work
         my @paths_and_file = split m!/!, $_;          my @paths_and_file = split m!/!, $_;
         my $file_part = pop @paths_and_file;          my $file_part = pop (@paths_and_file);
         my $path_part = join '/', @paths_and_file;          chomp ($file_part);
           my $path_part = join ('/', @paths_and_file);
         $path_part .= '/';          $path_part .= '/';
         my $path_and_file = $path_part.$file_part;          my $path_and_file = $path_part.$file_part;
         if ($path_part ne $path) {          if ($path_part ne $path) {
             push @return_files, ($path_and_file);              push (@return_files, ($path_and_file));
             &logthis("path part is $path_part file is $file_part");  
         } else {  
             &logthis("path part is $path_part file is $file_part");  
         }          }
     }      }
     close OUT;      close (OUT);
     return @return_files;      return (@return_files);
 }  }
   
 #--------------------------------------------------------------Get Marked as Read Only  #--------------------------------------------------------------Get Marked as Read Only
Line 4670  sub gettitle { Line 4699  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 $title='';
  my %bighash;   my %bighash;
Line 4942  sub numval2 { Line 4973  sub numval2 {
     return int($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 4982  sub rndseed { Line 5030  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 5079  sub rndseed_64bit3 { Line 5133  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 5090  sub rndseed_CODE_64bit { Line 5168  sub rndseed_CODE_64bit {
  my $courseseed=unpack("%32S*",$courseid.' ');   my $courseseed=unpack("%32S*",$courseid.' ');
  my $num1=$symbseed+$CODEchck;   my $num1=$symbseed+$CODEchck;
  my $num2=$CODEseed+$courseseed+$symbchck;   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 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:$symbchck");   #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb");   #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb");
  if ($_64bit) { $num1=(($num1<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); }
Removed from v.1.572  
changed lines
  Added in v.1.575

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