[BACK]Return to lonnet.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / lonnet / perl

Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.1189 and 1.1192

version 1.1189, 2012/09/02 16:18:24 version 1.1192, 2012/10/29 17:39:02
Line 1240  sub get_lonbalancer_config { Line 1240  sub get_lonbalancer_config {
   
 sub check_loadbalancing {  sub check_loadbalancing {
     my ($uname,$udom) = @_;      my ($uname,$udom) = @_;
     my ($is_balancer,$dom_in_use,$homeintdom,$rule_in_effect,      my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
         $offloadto,$otherserver);          $rule_in_effect,$offloadto,$otherserver);
     my $lonhost = $perlvar{'lonHostID'};      my $lonhost = $perlvar{'lonHostID'};
     my @hosts = &current_machine_ids();      my @hosts = &current_machine_ids();
     my $uprimary_id = &Apache::lonnet::domain($udom,'primary');      my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
Line 1266  sub check_loadbalancing { Line 1266  sub check_loadbalancing {
         }          }
     }      }
     if (ref($result) eq 'HASH') {      if (ref($result) eq 'HASH') {
         my $currbalancer = $result->{'lonhost'};          ($is_balancer,$currtargets,$currrules) = 
         my $currtargets = $result->{'targets'};              &check_balancer_result($result,@hosts);
         my $currrules = $result->{'rules'};  
         if ($currbalancer ne '') {  
             if (grep(/^\Q$currbalancer\E$/,@hosts)) {  
                 $is_balancer = 1;  
             }  
         }  
         if ($is_balancer) {          if ($is_balancer) {
             if (ref($currrules) eq 'HASH') {              if (ref($currrules) eq 'HASH') {
                 if ($homeintdom) {                  if ($homeintdom) {
Line 1331  sub check_loadbalancing { Line 1325  sub check_loadbalancing {
             }              }
         }          }
         if (ref($result) eq 'HASH') {          if (ref($result) eq 'HASH') {
             my $currbalancer = $result->{'lonhost'};              ($is_balancer,$currtargets,$currrules) = 
             my $currtargets = $result->{'targets'};                  &check_balancer_result($result,@hosts);
             my $currrules = $result->{'rules'};              if ($is_balancer) {
   
             if ($currbalancer eq $lonhost) {  
                 $is_balancer = 1;  
                 if (ref($currrules) eq 'HASH') {                  if (ref($currrules) eq 'HASH') {
                     if ($currrules->{'_LC_internetdom'} ne '') {                      if ($currrules->{'_LC_internetdom'} ne '') {
                         $rule_in_effect = $currrules->{'_LC_internetdom'};                          $rule_in_effect = $currrules->{'_LC_internetdom'};
Line 1400  sub check_loadbalancing { Line 1391  sub check_loadbalancing {
     return ($is_balancer,$otherserver);      return ($is_balancer,$otherserver);
 }  }
   
   sub check_balancer_result {
       my ($result,@hosts) = @_;
       my ($is_balancer,$currtargets,$currrules);
       if (ref($result) eq 'HASH') {
           if ($result->{'lonhost'} ne '') {
               my $currbalancer = $result->{'lonhost'};
               if (grep(/^\Q$currbalancer\E$/,@hosts)) {
                   $is_balancer = 1;
                   $currtargets = $result->{'targets'};
                   $currrules = $result->{'rules'};
               }
           } else {
               foreach my $key (keys(%{$result})) {
                   if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
                       (ref($result->{$key}) eq 'HASH')) {
                       $is_balancer = 1;
                       $currrules = $result->{$key}{'rules'};
                       $currtargets = $result->{$key}{'targets'};
                       last;
                   }
               }
           }
       }
       return ($is_balancer,$currtargets,$currrules);
   }
   
 sub get_loadbalancer_targets {  sub get_loadbalancer_targets {
     my ($rule_in_effect,$currtargets,$uname,$udom) = @_;      my ($rule_in_effect,$currtargets,$uname,$udom) = @_;
     my $offloadto;      my $offloadto;
Line 6494  sub allowed { Line 6511  sub allowed {
    return 'F';     return 'F';
 }  }
   
   # ------------------------------------------- Check construction space access
   
   sub constructaccess {
       my ($url,$setpriv)=@_;
   
   # We do not allow editing of previous versions of files
       if ($url=~/\.(\d+)\.(\w+)$/) { return ''; }
   
   # Get username and domain from URL
       my ($ownername,$ownerdomain,$ownerhome);
   
       ($ownerdomain,$ownername) =
           ($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E|)/priv/($match_domain)/($match_username)/});
   
   # The URL does not really point to any authorspace, forget it
       unless (($ownername) && ($ownerdomain)) { return ''; }
   
   # Now we need to see if the user has access to the authorspace of
   # $ownername at $ownerdomain
   
       if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) {
   # Real author for this?
          $ownerhome = $env{'user.home'};
          if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) {
             return ($ownername,$ownerdomain,$ownerhome);
          }
       } else {
   # Co-author for this?
           if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) ||
               exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) {
               $ownerhome = &homeserver($ownername,$ownerdomain);
               return ($ownername,$ownerdomain,$ownerhome);
           }
       }
   
   # We don't have any access right now. If we are not possibly going to do anything about this,
   # we might as well leave
      unless ($setpriv) { return ''; }
   
   # Backdoor access?
       my $allowed=&allowed('eco',$ownerdomain);
   # Nope
       unless ($allowed) { return ''; }
   # Looks like we may have access, but could be locked by the owner of the construction space
       if ($allowed eq 'U') {
           my %blocked=&get('environment',['domcoord.author'],
                            $ownerdomain,$ownername);
   # Is blocked by owner
           if ($blocked{'domcoord.author'} eq 'blocked') { return ''; }
       }
       if (($allowed eq 'F') || ($allowed eq 'U')) {
   # Grant temporary access
           my $then=$env{'user.login.time'};
           my $update==$env{'user.update.time'};
           if (!$update) { $update = $then; }
           my $refresh=$env{'user.refresh.time'};
           if (!$refresh) { $refresh = $update; }
           my $now = time;
           &check_adhoc_privs($ownerdomain,$ownername,$update,$refresh,
                              $now,'ca','constructaccess');
           $ownerhome = &homeserver($ownername,$ownerdomain);
           return($ownername,$ownerdomain,$ownerhome);
       }
   # No business here
       return '';
   }
   
 sub get_comm_blocks {  sub get_comm_blocks {
     my ($cdom,$cnum) = @_;      my ($cdom,$cnum) = @_;
     if ($cdom eq '' || $cnum eq '') {      if ($cdom eq '' || $cnum eq '') {
Line 10018  sub symblist { Line 10102  sub symblist {
 # --------------------------------------------------------------- Verify a symb  # --------------------------------------------------------------- Verify a symb
   
 sub symbverify {  sub symbverify {
     my ($symb,$thisurl)=@_;      my ($symb,$thisurl,$encstate)=@_;
     my $thisfn=$thisurl;      my $thisfn=$thisurl;
     $thisfn=&declutter($thisfn);      $thisfn=&declutter($thisfn);
 # direct jump to resource in page or to a sequence - will construct own symbs  # direct jump to resource in page or to a sequence - will construct own symbs
Line 10054  sub symbverify { Line 10138  sub symbverify {
                }                 }
                if (                 if (
   &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)    &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
    eq $symb) {      eq $symb) {
                      if (ref($encstate)) {
                          $$encstate = $bighash{'encrypted_'.$id};
                      }
    if (($env{'request.role.adv'}) ||     if (($env{'request.role.adv'}) ||
        ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) ||         ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) ||
                        ($thisurl eq '/adm/navmaps')) {                         ($thisurl eq '/adm/navmaps')) {
        $okay=1;          $okay=1;
    }     }
        }         }
    }     }
Line 11922  allowed($priv,$uri,$symb,$role) : check Line 12009  allowed($priv,$uri,$symb,$role) : check
   
 =item *  =item *
   
   constructaccess($url,$setpriv) : check for access to construction space URL
   
   See if the owner domain and name in the URL match those in the
   expected environment.  If so, return three element list
   ($ownername,$ownerdomain,$ownerhome).
   
   Otherwise return the null string.
   
   If second argument 'setpriv' is true, it assigns the privileges,
   and returns the same three element list, unless the owner has
   blocked "ad hoc" Domain Coordinator access to the Author Space,
   in which case the null string is returned.
   
   =item *
   
 definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom  definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom
 role rolename set privileges in format of lonTabs/roles.tab for system, domain,  role rolename set privileges in format of lonTabs/roles.tab for system, domain,
 and course level  and course level
Line 12255  returns the data handle Line 12357  returns the data handle
   
 =item *  =item *
   
 symbverify($symb,$thisfn) : verifies that $symb actually exists and is  symbverify($symb,$thisfn,$encstate) : verifies that $symb actually exists
 a possible symb for the URL in $thisfn, and if is an encryypted  and is a possible symb for the URL in $thisfn, and if is an encrypted
 resource that the user accessed using /enc/ returns a 1 on success, 0  resource that the user accessed using /enc/ returns a 1 on success, 0
 on failure, user must be in a course, as it assumes the existance of  on failure, user must be in a course, as it assumes the existence of
 the course initial hash, and uses $env('request.course.id'}  the course initial hash, and uses $env('request.course.id'}.  The third
   arg is an optional reference to a scalar.  If this arg is passed in the 
   call to symbverify, it will be set to 1 if the symb has been set to be 
   encrypted; otherwise it will be null.  
   
 =item *  =item *
   
Removed from v.1.1189  
changed lines
  Added in v.1.1192

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>