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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.461 and 1.478

version 1.461, 2004/01/13 16:29:41 version 1.478, 2004/03/16 21:29:31
Line 377  sub delenv { Line 377  sub delenv {
     return 'error: '.$!;      return 'error: '.$!;
  }   }
  foreach (@oldenv) {   foreach (@oldenv) {
     unless ($_=~/^$delthis/) { print $fh $_; }      if ($_=~/^$delthis/) { 
                   my ($key,undef) = split('=',$_);
                   delete($ENV{$key});
               } else {
                   print $fh $_; 
               }
  }   }
  close($fh);   close($fh);
     }      }
Line 524  sub authenticate { Line 529  sub authenticate {
     my ($uname,$upass,$udom)=@_;      my ($uname,$upass,$udom)=@_;
     $upass=escape($upass);      $upass=escape($upass);
     $uname=~s/\W//g;      $uname=~s/\W//g;
     if (($perlvar{'lonRole'} eq 'library') &&       my $uhome=&homeserver($uname,$udom);
         ($udom eq $perlvar{'lonDefDomain'})) {      if (!$uhome) {
     my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'});   &logthis("User $uname at $udom is unknown in authenticate");
         if ($answer =~ /authorized/) {   return 'no_host';
               if ($answer eq 'authorized') {  
                  &logthis("User $uname at $udom authorized by local server");   
                  return $perlvar{'lonHostID'};   
               }  
               if ($answer eq 'non_authorized') {  
                  &logthis("User $uname at $udom rejected by local server");   
                  return 'no_host';   
               }  
  }  
     }      }
       my $answer=reply("encrypt:auth:$udom:$uname:$upass",$uhome);
     my $tryserver;      if ($answer eq 'authorized') {
     foreach $tryserver (keys %libserv) {   &logthis("User $uname at $udom authorized by $uhome"); 
  if ($hostdom{$tryserver} eq $udom) {   return $uhome; 
            my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver);      }
            if ($answer =~ /authorized/) {      if ($answer eq 'non_authorized') {
               if ($answer eq 'authorized') {   &logthis("User $uname at $udom rejected by $uhome");
                  &logthis("User $uname at $udom authorized by $tryserver");    return 'no_host'; 
                  return $tryserver;   
               }  
               if ($answer eq 'non_authorized') {  
                  &logthis("User $uname at $udom rejected by $tryserver");  
                  return 'no_host';  
               }   
    }  
        }  
     }      }
     &logthis("User $uname at $udom could not be authenticated");          &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
     return 'no_host';      return 'no_host';
 }  }
   
Line 1183  sub tokenwrapper { Line 1171  sub tokenwrapper {
     $uri=~s/^\///;      $uri=~s/^\///;
     $ENV{'user.environment'}=~/\/([^\/]+)\.id/;      $ENV{'user.environment'}=~/\/([^\/]+)\.id/;
     my $token=$1;      my $token=$1;
     if ($uri=~/^uploaded\/([^\/]+)\/([^\/]+)\/([^\/]+)(\?\.*)*$/) {  #    if ($uri=~/^uploaded\/([^\/]+)\/([^\/]+)\/([^\/]+)(\?\.*)*$/) {
       if ($uri=~m|^uploaded/([^/]+)/([^/]+)/(.+)(\?\.*)*$|) {
  &appenv('userfile.'.$1.'/'.$2.'/'.$3 => $ENV{'request.course.id'});   &appenv('userfile.'.$1.'/'.$2.'/'.$3 => $ENV{'request.course.id'});
         return 'http://'.$hostname{ &homeserver($2,$1)}.'/'.$uri.          return 'http://'.$hostname{ &homeserver($2,$1)}.'/'.$uri.
                (($uri=~/\?/)?'&':'?').'token='.$token.                 (($uri=~/\?/)?'&':'?').'token='.$token.
Line 1192  sub tokenwrapper { Line 1181  sub tokenwrapper {
  return '/adm/notfound.html';   return '/adm/notfound.html';
     }      }
 }  }
       
   # --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course
   # input: action, courseID, current domain, home server for course, intended
   #        path to file, source of file.
   # output: ok if successful, diagnostic message otherwise
   #
   # Allows directory structure to be used within lonUsers/../userfiles/ for a 
   # course.
   #
   # action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
   #          will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in
   #          course's home server.
   #
   # action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will
   #          be copied from $source (current location) to 
   #          /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
   #         and will then be copied to
   #          /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in
   #         course's home server.
   
   sub process_coursefile {
       my ($action,$docuname,$docudom,$docuhome,$file,$source)=@_;
       my $fetchresult;
       if ($action eq 'propagate') {
           $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file
                               ,$docuhome);
       } elsif ($action eq 'copy') {
           my $fetchresult = '';
           my $fpath = '';
           my $fname = $file;
           ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
           $fpath=$docudom.'/'.$docuname.'/'.$fpath;
           my $filepath=$perlvar{'lonDocRoot'}.'/userfiles';
           unless ($fpath eq '') {
               my @parts=split('/',$fpath);
               foreach my $part (@parts) {
                   $filepath.= '/'.$part;
                   if ((-e $filepath)!=1) {
                       mkdir($filepath,0777);
                   }
               }
           }
           if ($source eq '') {
               $fetchresult = 'no source file';
           } else {
               my $destination = $filepath.'/'.$fname;
               print STDERR "Getting ready to rename $source to $destination\n";
               rename($source,$destination);
               $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
                                    $docuhome);
           }
       }
       unless ( ($fetchresult eq 'ok') || ($fetchresult eq 'no source file') ) {
           &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
                ' to host '.$docuhome.': '.$fetchresult);
       }
       return $fetchresult;
   }
   
 # --------------- Take an uploaded file and put it into the userfiles directory  # --------------- Take an uploaded file and put it into the userfiles directory
 # input: name of form element, coursedoc=1 means this is for the course  # input: name of form element, coursedoc=1 means this is for the course
 # output: url of file in userspace  # output: url of file in userspace
Line 1248  sub finishuserfileupload { Line 1295  sub finishuserfileupload {
     }      }
 # Notify homeserver to grep it  # Notify homeserver to grep it
 #  #
           my $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$fname,
     my $fetchresult=       $docuhome);
  &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$fname,$docuhome);  
     if ($fetchresult eq 'ok') {      if ($fetchresult eq 'ok') {
 #  #
 # Return the URL to it  # Return the URL to it
Line 1424  sub userrolelog { Line 1470  sub userrolelog {
     my ($trole,$username,$domain,$area,$tstart,$tend)=@_;      my ($trole,$username,$domain,$area,$tstart,$tend)=@_;
     if (($trole=~/^ca/) || ($trole=~/^in/) ||       if (($trole=~/^ca/) || ($trole=~/^in/) || 
         ($trole=~/^cc/) || ($trole=~/^ep/) ||          ($trole=~/^cc/) || ($trole=~/^ep/) ||
         ($trole=~/^cr/)) {          ($trole=~/^cr/) || ($trole=~/^ta/)) {
        my (undef,$rudom,$runame,$rsec)=split(/\//,$area);         my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
        $userrolehash         $userrolehash
          {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}           {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
Line 1436  sub get_course_adv_roles { Line 1482  sub get_course_adv_roles {
     my $cid=shift;      my $cid=shift;
     $cid=$ENV{'request.course.id'} unless (defined($cid));      $cid=$ENV{'request.course.id'} unless (defined($cid));
     my %coursehash=&coursedescription($cid);      my %coursehash=&coursedescription($cid);
       my %nothide=();
       foreach (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
    $nothide{join(':',split(/[\@\:]/,$_))}=1;
       }
     my %returnhash=();      my %returnhash=();
     my %dumphash=      my %dumphash=
             &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});              &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
Line 1446  sub get_course_adv_roles { Line 1496  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 ((&privileged($username,$domain)) && 
       (!$nothide{$username.':'.$domain})) { next; }
         my $key=&plaintext($role);          my $key=&plaintext($role);
         if ($section) { $key.=' (Sec/Grp '.$section.')'; }          if ($section) { $key.=' (Sec/Grp '.$section.')'; }
         if ($returnhash{$key}) {          if ($returnhash{$key}) {
Line 3821  sub packages_tab_default { Line 3873  sub packages_tab_default {
     my $packages=&metadata($uri,'packages');      my $packages=&metadata($uri,'packages');
     foreach my $package (split(/,/,$packages)) {      foreach my $package (split(/,/,$packages)) {
  my ($pack_type,$pack_part)=split(/_/,$package,2);   my ($pack_type,$pack_part)=split(/_/,$package,2);
  if ($pack_part eq $part) {   if (defined($packagetab{"$pack_type&$name&default"})) {
     return $packagetab{"$pack_type&$name&default"};      return $packagetab{"$pack_type&$name&default"};
  }   }
    if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
       return $packagetab{$pack_type."_".$pack_part."&$name&default"};
    }
     }      }
     return undef;      return undef;
 }  }
Line 3852  sub metadata { Line 3907  sub metadata {
     # if it is a non metadata possible uri return quickly      # if it is a non metadata possible uri return quickly
     if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) ||      if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) ||
         ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) ||          ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) ||
  ($uri =~ m|home/[^/]+/public_html/|)) {   ($uri =~ m|home/[^/]+/public_html/|) || ($uri =~ m|^uploaded/|)) {
  return '';   return undef;
     }      }
     my $filename=$uri;      my $filename=$uri;
     $uri=~s/\.meta$//;      $uri=~s/\.meta$//;
Line 4401  sub setup_random_from_rndseed { Line 4456  sub setup_random_from_rndseed {
     }      }
 }  }
   
   sub latest_receipt_algorithm_id {
       return 'receipt2';
   }
   
 sub ireceipt {  sub ireceipt {
     my ($funame,$fudom,$fucourseid,$fusymb)=@_;      my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_;
     my $cuname=unpack("%32C*",$funame);      my $cuname=unpack("%32C*",$funame);
     my $cudom=unpack("%32C*",$fudom);      my $cudom=unpack("%32C*",$fudom);
     my $cucourseid=unpack("%32C*",$fucourseid);      my $cucourseid=unpack("%32C*",$fucourseid);
     my $cusymb=unpack("%32C*",$fusymb);      my $cusymb=unpack("%32C*",$fusymb);
     my $cunique=unpack("%32C*",$perlvar{'lonReceipt'});      my $cunique=unpack("%32C*",$perlvar{'lonReceipt'});
     return unpack("%32C*",$perlvar{'lonHostID'}).'-'.      my $cpart=unpack("%32S*",$part);
            ($cunique%$cuname+      my $return =unpack("%32C*",$perlvar{'lonHostID'}).'-';
             $cunique%$cudom+      if ($ENV{"course.$fucourseid.receiptalg"} eq 'receipt2' ||
             $cusymb%$cuname+   $ENV{'request.state'} eq 'construct') {
             $cusymb%$cudom+   &Apache::lonxml::debug("doing receipt2  using parts $cpart, uname $cuname and udom $cudom gets  ".($cpart%$cuname).
             $cucourseid%$cuname+         " and ".($cpart%$cudom));
             $cucourseid%$cudom);         
    $return.= ($cunique%$cuname+
      $cunique%$cudom+
      $cusymb%$cuname+
      $cusymb%$cudom+
      $cucourseid%$cuname+
      $cucourseid%$cudom+
      $cpart%$cuname+
      $cpart%$cudom);
       } else {
    $return.= ($cunique%$cuname+
      $cunique%$cudom+
      $cusymb%$cuname+
      $cusymb%$cudom+
      $cucourseid%$cuname+
      $cucourseid%$cudom);
       }
       return $return;
 }  }
   
 sub receipt {  sub receipt {
   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();      my ($part)=@_;
   return &ireceipt($name,$domain,$courseid,$symb);      my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
       return &ireceipt($name,$domain,$courseid,$symb,$part);
 }  }
   
 # ------------------------------------------------------------ Serves up a file  # ------------------------------------------------------------ Serves up a file
 # returns either the contents of the file or a -1  # returns either the contents of the file or 
   # -1 if the file doesn't exist
   # -2 if an error occured when trying to aqcuire the file
   
 sub getfile {  sub getfile {
  my $file=shift;      my $file=shift;
  if ($file=~/^\/*uploaded\//) { # user file      if ($file=~/^\/*uploaded\//) { # user file
     my $ua=new LWP::UserAgent;   my $ua=new LWP::UserAgent;
     my $request=new HTTP::Request('GET',&tokenwrapper($file));   my $request=new HTTP::Request('GET',&tokenwrapper($file));
     my $response=$ua->request($request);   my $response=$ua->request($request);
     if ($response->is_success()) {   if ($response->is_success()) {
        return $response->content;      return $response->content;
     } else {    } else { 
        return -1;       #&logthis("Return Code is ".$response->code." for $file ".
     }      #         &tokenwrapper($file));
  } else { # normal file from res space      # 500 for ISE when tokenwrapper can't figure out what server to
   &repcopy($file);              #  contact
   if (! -e $file ) { return -1; };              # 503 when lonuploadacc can't contact the requested server
   my $fh;      if ($response->code eq 503 || $response->code eq 500) {
   open($fh,"<$file");   return -2;
   my $a='';      } else {
   while (<$fh>) { $a .=$_; }   return -1;
   return $a;      }
  }   }
       } else { # normal file from res space
    &repcopy($file);
    if (! -e $file ) { return -1; };
    my $fh;
    open($fh,"<$file");
    my $a='';
    while (<$fh>) { $a .=$_; }
    return $a;
       }
 }  }
   
 sub filelocation {  sub filelocation {
Line 4457  sub filelocation { Line 4546  sub filelocation {
     $location=$file;      $location=$file;
   } else {    } else {
     $file=~s/^$perlvar{'lonDocRoot'}//;      $file=~s/^$perlvar{'lonDocRoot'}//;
     $file=~s:^/*res::;      $file=~s:^/res/:/:;
     if ( !( $file =~ m:^/:) ) {      if ( !( $file =~ m:^/:) ) {
       $location = $dir. '/'.$file;        $location = $dir. '/'.$file;
     } else {      } else {
Line 4466  sub filelocation { Line 4555  sub filelocation {
   }    }
   $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 /./
   return $location;    return $location;
 }  }
   
Line 4474  sub hreflocation { Line 4564  sub hreflocation {
     unless (($file=~m-^http://-i) || ($file=~m-^/-)) {      unless (($file=~m-^http://-i) || ($file=~m-^/-)) {
  my $finalpath=filelocation($dir,$file);   my $finalpath=filelocation($dir,$file);
  $finalpath=~s-^/home/httpd/html--;   $finalpath=~s-^/home/httpd/html--;
  $finalpath=~s-/home/(\w+)/public_html/-/~$1/-;   $finalpath=~s-^/home/(\w+)/public_html/-/~$1/-;
  return $finalpath;   return $finalpath;
     } elsif ($file=~m-^/home-) {      } elsif ($file=~m-^/home-) {
  $file=~s-^/home/httpd/html--;   $file=~s-^/home/httpd/html--;
  $file=~s-/home/(\w+)/public_html/-/~$1/-;   $file=~s-^/home/(\w+)/public_html/-/~$1/-;
  return $file;   return $file;
     }      }
       return $file;
   }
   
   sub current_machine_domains {
       my $hostname=$hostname{$perlvar{'lonHostID'}};
       my @domains;
       while( my($id, $name) = each(%hostname)) {
   # &logthis("-$id-$name-$hostname-");
    if ($hostname eq $name) {
       push(@domains,$hostdom{$id});
    }
       }
       return @domains;
   }
   
   sub current_machine_ids {
       my $hostname=$hostname{$perlvar{'lonHostID'}};
       my @ids;
       while( my($id, $name) = each(%hostname)) {
   # &logthis("-$id-$name-$hostname-");
    if ($hostname eq $name) {
       push(@ids,$id);
    }
       }
       return @ids;
 }  }
   
 # ------------------------------------------------------------- Declutters URLs  # ------------------------------------------------------------- Declutters URLs
Removed from v.1.461  
changed lines
  Added in v.1.478

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