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Diff for /loncom/lond between versions 1.571 and 1.572

version 1.571, 2021/12/21 13:57:47 version 1.572, 2022/02/01 23:13:21
Line 266  my %trust = ( Line 266  my %trust = (
                ls => {remote => 1, enroll => 1, content => 1,},                 ls => {remote => 1, enroll => 1, content => 1,},
                ls2 => {remote => 1, enroll => 1, content => 1,},                 ls2 => {remote => 1, enroll => 1, content => 1,},
                ls3 => {remote => 1, enroll => 1, content => 1,},                 ls3 => {remote => 1, enroll => 1, content => 1,},
                  lti => {institutiononly => 1},
                makeuser => {remote => 1, enroll => 1, domroles => 1,},                 makeuser => {remote => 1, enroll => 1, domroles => 1,},
                mkdiruserfile => {remote => 1, enroll => 1,},                 mkdiruserfile => {remote => 1, enroll => 1,},
                newput => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1,},                 newput => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1,},
Line 5156  sub get_domain_handler { Line 5157  sub get_domain_handler {
 }  }
 &register_handler("getdom", \&get_domain_handler, 0, 1, 0);  &register_handler("getdom", \&get_domain_handler, 0, 1, 0);
   
   #
   # Encrypted get from the namespace database file at the domain level.
   # This function retrieves a keyed item from a specific named database in the
   # domain directory.
   #
   # Parameters:
   #   $cmd             - Command request keyword (egetdom).
   #   $tail            - Tail of the command.  This is a colon separated list
   #                      consisting of the domain and the 'namespace'
   #                      which selects the gdbm file to do the lookup in,
   #                      & separated list of keys to lookup.  Note that
   #                      the values are returned as an & separated list too.
   #   $client          - File descriptor open on the client.
   # Returns:
   #   1       - Continue processing.
   #   0       - Exit.
   #  Side effects:
   #     reply is encrypted before being written to $client.
   #
 sub encrypted_get_domain_handler {  sub encrypted_get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
Line 5185  sub encrypted_get_domain_handler { Line 5205  sub encrypted_get_domain_handler {
 &register_handler("egetdom", \&encrypted_get_domain_handler, 1, 1, 0);  &register_handler("egetdom", \&encrypted_get_domain_handler, 1, 1, 0);
   
 #  #
   # Encrypted get from the namespace database file at the domain level.
   # This function retrieves a keyed item from a specific named database in the
   # domain directory.
   #
   # Parameters:
   #   $cmd             - Command request keyword (lti).
   #   $tail            - Tail of the command.  This is a colon-separated list
   #                      consisting of the domain, coursenum, if for LTI-
   #                      enabled deep-linking to course content using
   #                      link protection configured within a course,
   #                      context (=deeplink) if for LTI-enabled deep-linking
   #                      to course content using LTI Provider settings
   #                      configured within a course's domain, the (escaped)
   #                      launch URL, the (escaped) method (typically POST),
   #                      and a frozen hash of the LTI launch parameters
   #                      from the LTI payload.
   #   $client          - File descriptor open on the client.
   # Returns:
   #   1       - Continue processing.
   #   0       - Exit.
   #  Side effects:
   #     The reply will contain an LTI itemID, if the signed LTI payload
   #     could be verified using the consumer key and the shared secret 
   #     available for that key (for the itemID) for either the course or domain, 
   #     depending on values for cnum and context. The reply is encrypted before 
   #     being written to $client.
   #
   sub lti_handler {
       my ($cmd, $tail, $client) = @_;
   
       my $userinput = "$cmd:$tail";
   
       my ($cdom,$cnum,$context,$escurl,$escmethod,$items) = split(/:/,$tail);
       my $url = &unescape($escurl);
       my $method = &unescape($escmethod);
       my $params = &Apache::lonnet::thaw_unescape($items);
       my $res;
       if ($cnum ne '') {
           $res = &LONCAPA::Lond::crslti_itemid($cdom,$cnum,$url,$method,$params,$perlvar{'lonVersion'});
       } else {
           $res = &LONCAPA::Lond::domlti_itemid($cdom,$context,$url,$method,$params,$perlvar{'lonVersion'});
       }
       if ($res =~ /^error:/) {
           &Failure($client, \$res, $userinput);
       } else {
           if ($cipher) {
               my $cmdlength=length($res);
               $res.="         ";
               my $encres='';
               for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
                   $encres.= unpack("H16",
                                    $cipher->encrypt(substr($res,
                                                            $encidx,
                                                            8)));
               }
               &Reply( $client,"enc:$cmdlength:$encres\n",$userinput);
           } else {
               &Failure( $client, "error:no_key\n",$userinput);
           }
       }
       return 1;
   }
   &register_handler("lti", \&lti_handler, 1, 1, 0);
   
   #
 #  Puts an id to a domains id database.   #  Puts an id to a domains id database. 
 #  #
 #  Parameters:  #  Parameters:
Removed from v.1.571  
changed lines
  Added in v.1.572

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