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Diff for /loncom/lond between versions 1.563 and 1.566

version 1.563, 2020/05/05 20:24:41 version 1.566, 2021/03/31 02:19:58
Line 213  my %trust = ( Line 213  my %trust = (
                autovalidateclass_sec => {catalog => 1},                 autovalidateclass_sec => {catalog => 1},
                autovalidatecourse => {remote => 1, enroll => 1},                 autovalidatecourse => {remote => 1, enroll => 1},
                autovalidateinstcode => {domroles => 1, remote => 1, enroll => 1},                 autovalidateinstcode => {domroles => 1, remote => 1, enroll => 1},
                  autovalidateinstcrosslist => {remote => 1, enroll => 1},
                changeuserauth => {remote => 1, domroles => 1},                 changeuserauth => {remote => 1, domroles => 1},
                chatretr => {remote => 1, enroll => 1},                 chatretr => {remote => 1, enroll => 1},
                chatsend => {remote => 1, enroll => 1},                 chatsend => {remote => 1, enroll => 1},
Line 310  my %trust = ( Line 311  my %trust = (
                tokenauthuserfile => {anywhere => 1},                 tokenauthuserfile => {anywhere => 1},
                unsub => {content => 1,},                 unsub => {content => 1,},
                update => {shared => 1},                 update => {shared => 1},
                  updatebalcookie => {institutiononly => 1},
                updateclickers => {remote => 1},                 updateclickers => {remote => 1},
                userhassession => {anywhere => 1},                 userhassession => {anywhere => 1},
                userload => {anywhere => 1},                 userload => {anywhere => 1},
Line 5076  sub del_domain_handler { Line 5078  sub del_domain_handler {
 # domain directory.  # domain directory.
 #  #
 # Parameters:  # Parameters:
 #   $cmd             - Command request keyword (get).  #   $cmd             - Command request keyword (getdom).
 #   $tail            - Tail of the command.  This is a colon separated list  #   $tail            - Tail of the command.  This is a colon separated list
 #                      consisting of the domain and the 'namespace'   #                      consisting of the domain and the 'namespace' 
 #                      which selects the gdbm file to do the lookup in,  #                      which selects the gdbm file to do the lookup in,
Line 5093  sub del_domain_handler { Line 5095  sub del_domain_handler {
 sub get_domain_handler {  sub get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
     chomp($what);  
     if ($namespace =~ /^enc/) {      if ($namespace =~ /^enc/) {
         &Failure( $client, "refused\n", $userinput);          &Failure( $client, "refused\n", $userinput);
     } else {      } else {
         my @queries=split(/\&/,$what);          my $res = LONCAPA::Lond::get_dom($userinput);
         my $qresult='';          if ($res =~ /^error:/) {
         my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_READER());              &Failure($client, \$res, $userinput);
         if ($hashref) {  
             for (my $i=0;$i<=$#queries;$i++) {  
                 $qresult.="$hashref->{$queries[$i]}&";  
             }  
             if (&untie_domain_hash($hashref)) {  
                 $qresult=~s/\&$//;  
                 &Reply($client, \$qresult, $userinput);  
             } else {  
                 &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".  
                           "while attempting getdom\n",$userinput);  
             }  
         } else {          } else {
             &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".              &Reply($client, \$res, $userinput);
                      "while attempting getdom\n",$userinput);  
         }          }
     }      }
   
Line 5130  sub encrypted_get_domain_handler { Line 5118  sub encrypted_get_domain_handler {
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my $res = LONCAPA::Lond::get_dom($userinput);
     chomp($what);      if ($res =~ /^error:/) {
     my @queries=split(/\&/,$what);          &Failure($client, \$res, $userinput);
     my $qresult='';      } else {
     my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_READER());          if ($cipher) {
     if ($hashref) {              my $cmdlength=length($res);
         for (my $i=0;$i<=$#queries;$i++) {              $res.="         ";
             $qresult.="$hashref->{$queries[$i]}&";              my $encres='';
         }              for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
         if (&untie_domain_hash($hashref)) {                  $encres.= unpack("H16",
             $qresult=~s/\&$//;                                   $cipher->encrypt(substr($res,
             if ($cipher) {                                                           $encidx,
                 my $cmdlength=length($qresult);                                                           8)));
                 $qresult.="         ";  
                 my $encqresult='';  
                 for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {  
                     $encqresult.= unpack("H16",  
                                          $cipher->encrypt(substr($qresult,  
                                                                  $encidx,  
                                                                  8)));  
                 }  
                 &Reply( $client, "enc:$cmdlength:$encqresult\n", $userinput);  
             } else {  
                 &Failure( $client, "error:no_key\n", $userinput);  
             }              }
               &Reply( $client,"enc:$cmdlength:$encres\n",$userinput);
         } else {          } else {
             &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".              &Failure( $client, "error:no_key\n",$userinput);
                       "while attempting egetdom\n",$userinput);  
         }          }
     } else {  
         &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".  
                  "while attempting egetdom\n",$userinput);  
     }      }
     return 1;      return 1;
 }  }
Line 5683  sub tmp_del_handler { Line 5657  sub tmp_del_handler {
 &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);  &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);
   
 #  #
   #  Process the updatebalcookie command.  This command updates a
   #  cookie in the lonBalancedir directory on a load balancer node.
   #
   # Parameters:
   #   $cmd      - Command that got us here.
   #   $tail     - Tail of the request (escaped cookie: escaped current entry)
   #
   #   $client   - socket open on the client process.
   #
   # Returns:
   #   1     - Indicating processing should continue.
   # Side Effects:
   #   A cookie file is updated from the lonBalancedir directory
   #   A reply is sent to the client.
   #
   sub update_balcookie_handler {
       my ($cmd, $tail, $client) = @_;
   
       my $userinput= "$cmd:$tail";
       chomp($tail);
       my ($cookie,$lastentry) = map { &unescape($_) } (split(/:/,$tail));
   
       my $updatedone;
       if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {
           my $execdir=$perlvar{'lonBalanceDir'};
           if (-e "$execdir/$cookie.id") {
               my $doupdate;
               if (open(my $fh,'<',"$execdir/$cookie.id")) {
                   while (my $line = <$fh>) {
                       chomp($line);
                       if ($line eq $lastentry) {
                           $doupdate = 1;
                           last;
                       }
                   }
                   close($fh);
               }
               if ($doupdate) {
                   if (open(my $fh,'>',"$execdir/$cookie.id")) {
                       print $fh $clientname;
                       close($fh);
                       $updatedone = 1;
                   }
               }
           }
       }
       if ($updatedone) {
           &Reply($client, "ok\n", $userinput);
       } else {
           &Failure( $client, "error: ".($!+0)."file update failed ".
                     "while attempting updatebalcookie\n", $userinput);
       }
       return 1;
   }
   &register_handler("updatebalcookie", \&update_balcookie_handler, 0, 1, 0);
   
   #
 #  Process the delbalcookie command. This command deletes a balancer  #  Process the delbalcookie command. This command deletes a balancer
 #  cookie in the lonBalancedir directory created by switchserver  #  cookie in the lonBalancedir directory on a load balancer node.
 #  #
 # Parameters:  # Parameters:
 #   $cmd      - Command that got us here.  #   $cmd      - Command that got us here.
Line 5702  sub del_balcookie_handler { Line 5733  sub del_balcookie_handler {
     my $userinput= "$cmd:$cookie";      my $userinput= "$cmd:$cookie";
   
     chomp($cookie);      chomp($cookie);
       $cookie = &unescape($cookie);
     my $deleted = '';      my $deleted = '';
     if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {      if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {
         my $execdir=$perlvar{'lonBalanceDir'};          my $execdir=$perlvar{'lonBalanceDir'};
Line 5917  sub validate_instcode_handler { Line 5949  sub validate_instcode_handler {
 }  }
 &register_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);  &register_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);
   
   #
   #  Validate co-owner for cross-listed institutional code and
   #  institutional course code itself used for a LON-CAPA course.
   #
   # Formal Parameters:
   #   $cmd          - The command request that got us dispatched.
   #   $tail         - The tail of the command.  In this case,
   #                   this is a colon separated string containing:
   #      $dom            - Course's LON-CAPA domain
   #      $instcode       - Institutional course code for the course
   #      $inst_xlist     - Institutional course Id for the crosslisting
   #      $coowner        - Username of co-owner
   #      (values for all but $dom have been escaped). 
   #
   #   $client       - Socket open on the client.
   # Returns:
   #    1           - Indicating processing should continue.
   #
   sub validate_instcrosslist_handler  {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($dom,$instcode,$inst_xlist,$coowner) = split(/:/,$tail);
       $instcode = &unescape($instcode);
       $inst_xlist = &unescape($inst_xlist);
       $coowner = &unescape($coowner);
       my $outcome = &localenroll::validate_crosslist_access($dom,$instcode,
                                                             $inst_xlist,$coowner);
       &Reply($client, \$outcome, $userinput);
   
       return 1;
   }
   &register_handler("autovalidateinstcrosslist", \&validate_instcrosslist_handler, 0, 1, 0);
   
 #   Get the official sections for which auto-enrollment is possible.  #   Get the official sections for which auto-enrollment is possible.
 #   Since the admin people won't know about 'unofficial sections'   #   Since the admin people won't know about 'unofficial sections' 
 #   we cannot auto-enroll on them.  #   we cannot auto-enroll on them.
Removed from v.1.563  
changed lines
  Added in v.1.566

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