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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.789 and 1.790

version 1.789, 2006/10/04 21:02:41 version 1.790, 2006/10/12 16:35:02
Line 52  use Storable qw(lock_store lock_nstore l Line 52  use Storable qw(lock_store lock_nstore l
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
 use Cache::Memcached;  use Cache::Memcached;
 use Digest::MD5;  use Digest::MD5;
   use Math::Random;
 use lib '/home/httpd/lib/perl';  use lib '/home/httpd/lib/perl';
 use LONCAPA;  use LONCAPA;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
Line 412  sub delenv { Line 413  sub delenv {
     return 'ok';      return 'ok';
 }  }
   
   =pod
   
   =item * get_env_multiple($name) 
   
   gets $name from the %env hash, it seemlessly handles the cases where multiple
   values may be defined and end up as an array ref.
   
   returns an array of values
   
   =cut
   
   sub get_env_multiple {
       my ($name) = @_;
       my @values;
       if (defined($env{$name})) {
           # exists is it an array
           if (ref($env{$name})) {
               @values=@{ $env{$name} };
           } else {
               $values[0]=$env{$name};
           }
       }
       return(@values);
   }
   
 # ------------------------------------------ Find out current server userload  # ------------------------------------------ Find out current server userload
 # there is a copy in lond  # there is a copy in lond
 sub userload {  sub userload {
Line 2035  sub get_domain_roles { Line 2061  sub get_domain_roles {
   
 sub get_first_access {  sub get_first_access {
     my ($type,$argsymb)=@_;      my ($type,$argsymb)=@_;
     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$courseid,$udom,$uname)=&whichuser();
     if ($argsymb) { $symb=$argsymb; }      if ($argsymb) { $symb=$argsymb; }
     my ($map,$id,$res)=&decode_symb($symb);      my ($map,$id,$res)=&decode_symb($symb);
     if ($type eq 'map') {      if ($type eq 'map') {
Line 2049  sub get_first_access { Line 2075  sub get_first_access {
   
 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)=&whichuser();
     my ($map,$id,$res)=&decode_symb($symb);      my ($map,$id,$res)=&decode_symb($symb);
     if ($type eq 'map') {      if ($type eq 'map') {
  $res=&symbread($map);   $res=&symbread($map);
Line 5510  sub EXT { Line 5536  sub EXT {
  $symbparm=&get_symb_from_alias($symbparm);   $symbparm=&get_symb_from_alias($symbparm);
     }      }
     if (!($uname && $udom)) {      if (!($uname && $udom)) {
       (my $cursymb,$courseid,$udom,$uname,$publicuser)=        (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm);
   &Apache::lonxml::whichuser($symbparm);  
       if (!$symbparm) { $symbparm=$cursymb; }        if (!$symbparm) { $symbparm=$cursymb; }
     } else {      } else {
  $courseid=$env{'request.course.id'};   $courseid=$env{'request.course.id'};
Line 6165  sub gettitle { Line 6190  sub gettitle {
 sub get_slot {  sub get_slot {
     my ($which,$cnum,$cdom)=@_;      my ($which,$cnum,$cdom)=@_;
     if (!$cnum || !$cdom) {      if (!$cnum || !$cdom) {
  (undef,my $courseid)=&Apache::lonxml::whichuser();   (undef,my $courseid)=&whichuser();
  $cdom=$env{'course.'.$courseid.'.domain'};   $cdom=$env{'course.'.$courseid.'.domain'};
  $cnum=$env{'course.'.$courseid.'.num'};   $cnum=$env{'course.'.$courseid.'.num'};
     }      }
Line 6496  sub latest_rnd_algorithm_id { Line 6521  sub latest_rnd_algorithm_id {
   
 sub get_rand_alg {  sub get_rand_alg {
     my ($courseid)=@_;      my ($courseid)=@_;
     if (!$courseid) { $courseid=(&Apache::lonxml::whichuser())[1]; }      if (!$courseid) { $courseid=(&whichuser())[1]; }
     if ($courseid) {      if ($courseid) {
  return $env{"course.$courseid.rndseed"};   return $env{"course.$courseid.rndseed"};
     }      }
Line 6522  sub getCODE { Line 6547  sub getCODE {
 sub rndseed {  sub rndseed {
     my ($symb,$courseid,$domain,$username)=@_;      my ($symb,$courseid,$domain,$username)=@_;
   
     my ($wsymb,$wcourseid,$wdomain,$wusername)=&Apache::lonxml::whichuser();      my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
     if (!$symb) {      if (!$symb) {
  unless ($symb=$wsymb) { return time; }   unless ($symb=$wsymb) { return time; }
     }      }
Line 6563  sub rndseed_32bit { Line 6588  sub rndseed_32bit {
  my $domainseed=unpack("%32C*",$domain) << 7;   my $domainseed=unpack("%32C*",$domain) << 7;
  my $courseseed=unpack("%32C*",$courseid);   my $courseseed=unpack("%32C*",$courseid);
  my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck;   my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck;
  #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");   #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num:$symb");   #&logthis("rndseed :$num:$symb");
  if ($_64bit) { $num=(($num<<32)>>32); }   if ($_64bit) { $num=(($num<<32)>>32); }
  return $num;   return $num;
     }      }
Line 6584  sub rndseed_64bit { Line 6609  sub rndseed_64bit {
   
  my $num1=$symbchck+$symbseed+$namechck;   my $num1=$symbchck+$symbseed+$namechck;
  my $num2=$nameseed+$domainseed+$courseseed;   my $num2=$nameseed+$domainseed+$courseseed;
  #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");   #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num:$symb");   #&logthis("rndseed :$num:$symb");
  if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
  if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
  return "$num1,$num2";   return "$num1,$num2";
Line 6608  sub rndseed_64bit2 { Line 6633  sub rndseed_64bit2 {
   
  my $num1=$symbchck+$symbseed+$namechck;   my $num1=$symbchck+$symbseed+$namechck;
  my $num2=$nameseed+$domainseed+$courseseed;   my $num2=$nameseed+$domainseed+$courseseed;
  #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");   #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num:$symb");   #&logthis("rndseed :$num:$symb");
  return "$num1,$num2";   return "$num1,$num2";
     }      }
 }  }
Line 6630  sub rndseed_64bit3 { Line 6655  sub rndseed_64bit3 {
   
  my $num1=$symbchck+$symbseed+$namechck;   my $num1=$symbchck+$symbseed+$namechck;
  my $num2=$nameseed+$domainseed+$courseseed;   my $num2=$nameseed+$domainseed+$courseseed;
  #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");   #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit");   #&logthis("rndseed :$num1:$num2:$_64bit");
  if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
   
  return "$num1:$num2";   return "$num1:$num2";
Line 6654  sub rndseed_64bit4 { Line 6679  sub rndseed_64bit4 {
   
  my $num1=$symbchck+$symbseed+$namechck;   my $num1=$symbchck+$symbseed+$namechck;
  my $num2=$nameseed+$domainseed+$courseseed;   my $num2=$nameseed+$domainseed+$courseseed;
  #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");   #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit");   #&logthis("rndseed :$num1:$num2:$_64bit");
  if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
   
  return "$num1:$num2";   return "$num1:$num2";
Line 6679  sub rndseed_CODE_64bit { Line 6704  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:$symbchck");   #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb");   #&logthis("rndseed :$num1:$num2:$symb");
  if ($_64bit) { $num1=(($num1<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); }
  if ($_64bit) { $num2=(($num2<<32)>>32); }   if ($_64bit) { $num2=(($num2<<32)>>32); }
  return "$num1:$num2";   return "$num1:$num2";
Line 6698  sub rndseed_CODE_64bit4 { Line 6723  sub rndseed_CODE_64bit4 {
  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:$symbchck");   #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
  #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb");   #&logthis("rndseed :$num1:$num2:$symb");
  if ($_64bit) { $num1=(($num1<<32)>>32); }   if ($_64bit) { $num1=(($num1<<32)>>32); }
  if ($_64bit) { $num2=(($num2<<32)>>32); }   if ($_64bit) { $num2=(($num2<<32)>>32); }
  return "$num1:$num2";   return "$num1:$num2";
Line 6760  sub ireceipt { Line 6785  sub ireceipt {
     my $return =&recprefix($fucourseid).'-';      my $return =&recprefix($fucourseid).'-';
     if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' ||      if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' ||
  $env{'request.state'} eq 'construct') {   $env{'request.state'} eq 'construct') {
  &Apache::lonxml::debug("doing receipt2  using parts $cpart, uname $cuname and udom $cudom gets  ".($cpart%$cuname).   #&logthis("doing receipt2  using parts $cpart, uname $cuname and udom $cudom gets  ".($cpart%$cuname)." and ".($cpart%$cudom));
        " and ".($cpart%$cudom));  
                 
  $return.= ($cunique%$cuname+   $return.= ($cunique%$cuname+
    $cunique%$cudom+     $cunique%$cudom+
Line 6784  sub ireceipt { Line 6808  sub ireceipt {
   
 sub receipt {  sub receipt {
     my ($part)=@_;      my ($part)=@_;
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();      my ($symb,$courseid,$domain,$name) = &whichuser();
     return &ireceipt($name,$domain,$courseid,$symb,$part);      return &ireceipt($name,$domain,$courseid,$symb,$part);
 }  }
   
   sub whichuser {
       my ($passedsymb)=@_;
       my ($symb,$courseid,$domain,$name,$publicuser);
       if (defined($env{'form.grade_symb'})) {
    my ($tmp_courseid)=&get_env_multiple('form.grade_courseid');
    my $allowed=&allowed('vgr',$tmp_courseid);
    if (!$allowed &&
       exists($env{'request.course.sec'}) &&
       $env{'request.course.sec'} !~ /^\s*$/) {
       $allowed=&allowed('vgr',$tmp_courseid.
         '/'.$env{'request.course.sec'});
    }
    if ($allowed) {
       ($symb)=&get_env_multiple('form.grade_symb');
       $courseid=$tmp_courseid;
       ($domain)=&get_env_multiple('form.grade_domain');
       ($name)=&get_env_multiple('form.grade_username');
       return ($symb,$courseid,$domain,$name,$publicuser);
    }
       }
       if (!$passedsymb) {
    $symb=&symbread();
       } else {
    $symb=$passedsymb;
       }
       $courseid=$env{'request.course.id'};
       $domain=$env{'user.domain'};
       $name=$env{'user.name'};
       if ($name eq 'public' && $domain eq 'public') {
    if (!defined($env{'form.username'})) {
       $env{'form.username'}.=time.rand(10000000);
    }
    $name.=$env{'form.username'};
       }
       return ($symb,$courseid,$domain,$name,$publicuser);
   
   }
   
 # ------------------------------------------------------------ Serves up a file  # ------------------------------------------------------------ Serves up a file
 # returns either the contents of the file or   # returns either the contents of the file or 
 # -1 if the file doesn't exist  # -1 if the file doesn't exist
Removed from v.1.789  
changed lines
  Added in v.1.790

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