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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.710 and 1.721

version 1.710, 2006/02/10 22:33:48 version 1.721, 2006/03/26 21:20:55
Line 260  sub critical { Line 260  sub critical {
   
 sub transfer_profile_to_env {  sub transfer_profile_to_env {
     my ($lonidsdir,$handle)=@_;      my ($lonidsdir,$handle)=@_;
       if (!defined($lonidsdir)) {
    $lonidsdir = $perlvar{'lonIDsDir'};
       }
       if (!defined($handle)) {
           ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
       }
   
     my @profile;      my @profile;
     {      {
  open(my $idf,"$lonidsdir/$handle.id");   open(my $idf,"$lonidsdir/$handle.id");
Line 1145  sub ssi { Line 1152  sub ssi {
     my $ua=new LWP::UserAgent;      my $ua=new LWP::UserAgent;
           
     my $request;      my $request;
       
       $form{'no_update_last_known'}=1;
   
     if (%form) {      if (%form) {
       $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);        $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);
       $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));        $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
Line 1318  sub clean_filename { Line 1327  sub clean_filename {
   
 # --------------- Take an uploaded file and put it into the userfiles directory  # --------------- Take an uploaded file and put it into the userfiles directory
 # input: $formname - the contents of the file are in $env{"form.$formname"}  # input: $formname - the contents of the file are in $env{"form.$formname"}
 #                    the desired filenam is in $env{"form.$formname"}  #                    the desired filenam is in $env{"form.$formname.filename"}
 #        $coursedoc - if true up to the current course  #        $coursedoc - if true up to the current course
 #                     if false  #                     if false
 #        $subdir - directory in userfile to store the file into  #        $subdir - directory in userfile to store the file into
Line 1329  sub clean_filename { Line 1338  sub clean_filename {
   
   
 sub userfileupload {  sub userfileupload {
     my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase)=@_;      my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_;
     if (!defined($subdir)) { $subdir='unknown'; }      if (!defined($subdir)) { $subdir='unknown'; }
     my $fname=$env{'form.'.$formname.'.filename'};      my $fname=$env{'form.'.$formname.'.filename'};
     $fname=&clean_filename($fname);      $fname=&clean_filename($fname);
Line 1352  sub userfileupload { Line 1361  sub userfileupload {
         close($fh);          close($fh);
         return $fullpath.'/'.$fname;           return $fullpath.'/'.$fname; 
     }      }
       
 # Create the directory if not present  # Create the directory if not present
     $fname="$subdir/$fname";      $fname="$subdir/$fname";
     if ($coursedoc) {      if ($coursedoc) {
Line 1367  sub userfileupload { Line 1377  sub userfileupload {
        $fname,$formname,$parser,         $fname,$formname,$parser,
        $allfiles,$codebase);         $allfiles,$codebase);
         }          }
       } elsif (defined($destuname)) {
           my $docuname=$destuname;
           my $docudom=$destudom;
    return &finishuserfileupload($docuname,$docudom,$formname,
        $fname,$parser,$allfiles,$codebase);
           
     } else {      } else {
         my $docuname=$env{'user.name'};          my $docuname=$env{'user.name'};
         my $docudom=$env{'user.domain'};          my $docudom=$env{'user.domain'};
           if (exists($env{'form.group'})) {
               $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
               $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
           }
  return &finishuserfileupload($docuname,$docudom,$formname,   return &finishuserfileupload($docuname,$docudom,$formname,
      $fname,$parser,$allfiles,$codebase);       $fname,$parser,$allfiles,$codebase);
     }      }
Line 2849  sub dump { Line 2869  sub dump {
    return %returnhash;     return %returnhash;
 }  }
   
   # --------------------------------------------------------- dumpstore interface
   
   sub dumpstore {
      my ($namespace,$udomain,$uname,$regexp,$range)=@_;
      return &dump($namespace,$udomain,$uname,$regexp,$range);
   }
   
 # -------------------------------------------------------------- keys interface  # -------------------------------------------------------------- keys interface
   
 sub getkeys {  sub getkeys {
Line 2990  sub newput { Line 3017  sub newput {
 # ---------------------------------------------------------  putstore interface  # ---------------------------------------------------------  putstore interface
   
 sub putstore {  sub putstore {
    my ($namespace,$storehash,$udomain,$uname)=@_;     my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
    if (!$udomain) { $udomain=$env{'user.domain'}; }     if (!$udomain) { $udomain=$env{'user.domain'}; }
    if (!$uname) { $uname=$env{'user.name'}; }     if (!$uname) { $uname=$env{'user.name'}; }
    my $uhome=&homeserver($uname,$udomain);     my $uhome=&homeserver($uname,$udomain);
    my $items='';     my $items='';
    my %allitems = ();     foreach my $key (keys(%$storehash)) {
    foreach (keys %$storehash) {         $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
        if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {  
            my $key = $1.':keys:'.$2;  
            $allitems{$key} .= $3.':';  
        }  
        $items.=$_.'='.&freeze_escape($$storehash{$_}).'&';  
    }  
    foreach (keys %allitems) {  
        $allitems{$_} =~ s/\:$//;  
        $items.= $_.'='.$allitems{$_}.'&';  
    }     }
    $items=~s/\&$//;     $items=~s/\&$//;
    return &reply("put:$udomain:$uname:$namespace:$items",$uhome);     my $esc_symb=&escape($symb);
      my $esc_v=&escape($version);
      my $reply =
          &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
         $uhome);
      if ($reply eq 'unknown_cmd') {
          # gfall back to way things use to be done
          return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
       $uname);
      }
      return $reply;
   }
   
   sub old_putstore {
       my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
       if (!$udomain) { $udomain=$env{'user.domain'}; }
       if (!$uname) { $uname=$env{'user.name'}; }
       my $uhome=&homeserver($uname,$udomain);
       my %newstorehash;
       foreach (keys %$storehash) {
    my $key = $version.':'.&escape($symb).':'.$_;
    $newstorehash{$key} = $storehash->{$_};
       }
       my $items='';
       my %allitems = ();
       foreach (keys %newstorehash) {
    if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
       my $key = $1.':keys:'.$2;
       $allitems{$key} .= $3.':';
    }
    $items.=$_.'='.&freeze_escape($newstorehash{$_}).'&';
       }
       foreach (keys %allitems) {
    $allitems{$_} =~ s/\:$//;
    $items.= $_.'='.$allitems{$_}.'&';
       }
       $items=~s/\&$//;
       return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
 }  }
   
 # ------------------------------------------------------ critical put interface  # ------------------------------------------------------ critical put interface
Line 3020  sub cput { Line 3075  sub cput {
    my $uhome=&homeserver($uname,$udomain);     my $uhome=&homeserver($uname,$udomain);
    my $items='';     my $items='';
    foreach (keys %$storehash) {     foreach (keys %$storehash) {
        $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&';         $items.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&';
    }     }
    $items=~s/\&$//;     $items=~s/\&$//;
    return &critical("put:$udomain:$uname:$namespace:$items",$uhome);     return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
Line 3131  sub allowed { Line 3186  sub allowed {
     }      }
   
 # Free bre access to user's own portfolio contents  # Free bre access to user's own portfolio contents
     my ($space,$domain,$name,$dir)=split('/',$uri);      my ($space,$domain,$name,@dir)=split('/',$uri);
     if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) &&       if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && 
  ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir)) {   ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
         return 'F';          return 'F';
     }      }
   
   # bre access to group if user has rgf priv for this group and course.
       if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups') 
            && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) {
           if (exists($env{'request.course.id'})) {
               my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
               my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
               if (($domain eq $cdom) && ($name eq $cnum)) {
                   my $courseprivid=$env{'request.course.id'};
                   $courseprivid=~s/\_/\//;
                   if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid
                       .'/'.$dir[1]} =~/rgf\&([^\:]*)/) {
                       return $1; 
                   }
               }
           }
       }
   
 # Free bre to public access  # Free bre to public access
   
     if ($priv eq 'bre') {      if ($priv eq 'bre') {
Line 4665  sub GetFileTimestamp { Line 4737  sub GetFileTimestamp {
     }      }
 }  }
   
   sub stat_file {
       my ($uri) = @_;
       $uri = '/'.&declutter($uri);
       my ($udom,$uname,$file,$dir);
       if ($uri =~ m-^/(uploaded|editupload)/-) {
    ($udom,$uname,$file) =
       ($uri =~ m-/(?:uploaded|editupload)/?([^/]*)/?([^/]*)/?(.*)-);
    $file = 'userfiles/'.$file;
    $dir = &Apache::loncommon::propath($udom,$uname);
       }
       if ($uri =~ m-^/res/-) {
    ($udom,$uname) = 
       ($uri =~ m-/(?:res)/?([^/]*)/?([^/]*)/-);
    $file = $uri;
       }
   
       if (!$udom || !$uname || !$file) {
    # unable to handle the uri
    return ();
       }
   
       my ($result) = &dirlist($file,$udom,$uname,$dir);
       my @stats = split('&', $result);
       
       if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') {
    shift(@stats); #filename is first
    return @stats;
       }
       return ();
   }
   
 # -------------------------------------------------------- Value of a Condition  # -------------------------------------------------------- Value of a Condition
   
   # gets the value of a specific preevaluated condition
   #    stored in the string  $env{user.state.<cid>}
   # or looks up a condition reference in the bighash and if if hasn't
   # already been evaluated recurses into docondval to get the value of
   # the condition, then memoizing it to 
   #   $env{user.state.<cid>.<condition>}
 sub directcondval {  sub directcondval {
     my $number=shift;      my $number=shift;
     if (!defined($env{'user.state.'.$env{'request.course.id'}})) {      if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
  &Apache::lonuserstate::evalstate();   &Apache::lonuserstate::evalstate();
     }      }
       if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
    return $env{'user.state.'.$env{'request.course.id'}.".$number"};
       } elsif ($number =~ /^_/) {
    my $sub_condition;
    if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
    &GDBM_READER(),0640)) {
       $sub_condition=$bighash{'conditions'.$number};
       untie(%bighash);
    }
    my $value = &docondval($sub_condition);
    &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value);
    return $value;
       }
     if ($env{'user.state.'.$env{'request.course.id'}}) {      if ($env{'user.state.'.$env{'request.course.id'}}) {
        return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);         return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
     } else {      } else {
Line 4679  sub directcondval { Line 4801  sub directcondval {
     }      }
 }  }
   
   # get the collection of conditions for this resource
 sub condval {  sub condval {
     my $condidx=shift;      my $condidx=shift;
     my $result=0;  
     my $allpathcond='';      my $allpathcond='';
     foreach (split(/\|/,$condidx)) {      foreach my $cond (split(/\|/,$condidx)) {
        if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$_})) {   if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) {
    $allpathcond.=      $allpathcond.=
                '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$_}.')|';   '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|';
        }   }
     }      }
     $allpathcond=~s/\|$//;      $allpathcond=~s/\|$//;
     if ($env{'request.course.id'}) {      return &docondval($allpathcond);
        if ($allpathcond) {  }
           my $operand='|';  
   my @stack;  #evaluates an expression of conditions
            foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) {  sub docondval {
               if ($_ eq '(') {      my ($allpathcond) = @_;
                  push @stack,($operand,$result)      my $result=0;
               } elsif ($_ eq ')') {      if ($env{'request.course.id'}
                   my $before=pop @stack;   && defined($allpathcond)) {
   if (pop @stack eq '&') {   my $operand='|';
       $result=$result>$before?$before:$result;   my @stack;
                   } else {   foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) {
                       $result=$result>$before?$result:$before;      if ($chunk eq '(') {
                   }   push @stack,($operand,$result);
               } elsif (($_ eq '&') || ($_ eq '|')) {      } elsif ($chunk eq ')') {
                   $operand=$_;   my $before=pop @stack;
               } else {   if (pop @stack eq '&') {
                   my $new=directcondval($_);      $result=$result>$before?$before:$result;
                   if ($operand eq '&') {   } else {
                      $result=$result>$new?$new:$result;      $result=$result>$before?$result:$before;
                   } else {   }
                      $result=$result>$new?$result:$new;      } elsif (($chunk eq '&') || ($chunk eq '|')) {
                   }   $operand=$chunk;
               }      } else {
           }   my $new=directcondval($chunk);
        }   if ($operand eq '&') {
       $result=$result>$new?$new:$result;
    } else {
       $result=$result>$new?$result:$new;
    }
       }
    }
     }      }
     return $result;      return $result;
 }  }
Line 4832  sub EXT_cache_set { Line 4960  sub EXT_cache_set {
   
 # --------------------------------------------------------- Value of a Variable  # --------------------------------------------------------- Value of a Variable
 sub EXT {  sub EXT {
     my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_;  
   
       my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_;
     unless ($varname) { return ''; }      unless ($varname) { return ''; }
     #get real user name/domain, courseid and symb      #get real user name/domain, courseid and symb
     my $courseid;      my $courseid;
Line 5116  sub check_group_parms { Line 5244  sub check_group_parms {
   
 sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().  sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
     my ($grouplist,$courseid) = @_;      my ($grouplist,$courseid) = @_;
     my @groups = split/:/,$grouplist;      my @groups = sort(split(/:/,$grouplist));
     if (@groups > 1) {  
         @groups = sort(@groups);  
     }  
     return @groups;      return @groups;
 }  }
   
Line 5471  sub symblist { Line 5596  sub symblist {
     if (($env{'request.course.fn'}) && (%newhash)) {      if (($env{'request.course.fn'}) && (%newhash)) {
         if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',          if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
                       &GDBM_WRCREAT(),0640)) {                        &GDBM_WRCREAT(),0640)) {
     foreach (keys %newhash) {      foreach my $url (keys %newhash) {
                 $hash{declutter($_)}=&encode_symb($mapname,$newhash{$_}->[1],   next if ($url eq 'last_known'
   $newhash{$_}->[0]);   && $env{'form.no_update_last_known'});
    $hash{declutter($url)}=&encode_symb($mapname,
       $newhash{$url}->[1],
       $newhash{$url}->[0]);
             }              }
             if (untie(%hash)) {              if (untie(%hash)) {
  return 'ok';   return 'ok';
Line 6320  sub clutter { Line 6448  sub clutter {
      && $thisfn!~/\.(sequence|page)$/) {       && $thisfn!~/\.(sequence|page)$/) {
  $thisfn='/adm/coursedocs/showdoc'.$thisfn;   $thisfn='/adm/coursedocs/showdoc'.$thisfn;
     } else {      } else {
  &logthis("Got a blank emb style");  # &logthis("Got a blank emb style");
     }      }
  }   }
     }      }
Line 7141  all args are optional Line 7269  all args are optional
   
 =item *  =item *
   
   dumpstore($namespace,$udom,$uname,$regexp,$range) : 
   dumps the complete (or key matching regexp) namespace into a hash
   ($udom, $uname, $regexp, $range are optional) for a namespace that is
   normally &store()ed into
   
   $range should be either an integer '100' (give me the first 100
                                              matching records)
                 or be  two integers sperated by a - with no spaces
                    '30-50' (give me the 30th through the 50th matching
                             records)
   
   
   =item *
   
   putstore($namespace,$symb,$version,$storehash,$udomain,$uname) :
   replaces a &store() version of data with a replacement set of data
   for a particular resource in a namespace passed in the $storehash hash 
   reference
   
   =item *
   
 tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that  tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that
 works very similar to store/cstore, but all data is stored in a  works very similar to store/cstore, but all data is stored in a
 temporary location and can be reset using tmpreset, $storehash should  temporary location and can be reset using tmpreset, $storehash should
Line 7194  put($namespace,$storehash,$udom,$uname) Line 7343  put($namespace,$storehash,$udom,$uname)
   
 =item *  =item *
   
 putstore($namespace,$storehash,$udomain,$uname) : stores hash in namesp  
 keys used in storehash include version information (e.g., 1:$symb:message etc.) as  
 used in records written by &store and retrieved by &restore.  This function   
 was created for use in editing discussion posts, without incrementing the  
 version number included in the key for a particular post. The colon   
 separated list of attribute names (e.g., the value associated with the key   
 1:keys:$symb) is also generated and passed in the ampersand separated   
 items sent to lonnet::reply().    
   
 =item *  
   
 cput($namespace,$storehash,$udom,$uname) : critical put  cput($namespace,$storehash,$udom,$uname) : critical put
 ($udom and $uname are optional)  ($udom and $uname are optional)
   
Line 7334  getfile($file,$caller) : two cases - req Line 7472  getfile($file,$caller) : two cases - req
    - returns the entire contents of a file or -1;      - returns the entire contents of a file or -1; 
    it properly subscribes to and replicates the file if neccessary.     it properly subscribes to and replicates the file if neccessary.
   
   
   =item *
   
   stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file
                     reference
   
   returns either a stat() list of data about the file or an empty list
   if the file doesn't exist or couldn't find out about it (connection
   problems or user unknown)
   
 =item *  =item *
   
 filelocation($dir,$file) : returns file system location of a file  filelocation($dir,$file) : returns file system location of a file
Removed from v.1.710  
changed lines
  Added in v.1.721

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