/** Check if provided correct arguments for a request.
*
* Only number of parameters is checked.
* metadataPrefix has to be checked before it is used.
* set has to be checked before it is used.
* resumptionToken has to be checked before it is used.
* from and until can easily checked here because no extra information
* is needed.
*/
function checkArgs($args, $checkList)
{
// global $errors, $TOKEN_VALID, $METADATAFORMATS;
global $errors, $METADATAFORMATS;
// $verb = $args['verb'];
unset($args["verb"]);
debug_print_r('checkList', $checkList);
debug_print_r('args', $args);
// "verb" has been checked before, no further check is needed
if (isset($checkList['required'])) {
for ($i = 0; $i < count($checkList["required"]); $i++) {
debug_message("Checking: par{$i}: " . $checkList['required'][$i] . " in ");
debug_var_dump("isset(\$args[\$checkList['required'][\$i]])", isset($args[$checkList['required'][$i]]));
// echo "key exists". array_key_exists($checkList["required"][$i],$args)."\n";
if (isset($args[$checkList['required'][$i]]) == false) {
// echo "caught\n";
$errors[] = oai_error('missingArgument', $checkList["required"][$i]);
} else {
// if metadataPrefix is set, it is in required section
if (isset($args['metadataPrefix'])) {
$metadataPrefix = $args['metadataPrefix'];
// Check if the format is supported, it has enough infor (an array), last if a handle has been defined.
if (!array_key_exists($metadataPrefix, $METADATAFORMATS) || !(is_array($METADATAFORMATS[$metadataPrefix]) || !isset($METADATAFORMATS[$metadataPrefix]['myhandler']))) {
$errors[] = oai_error('cannotDisseminateFormat', 'metadataPrefix', $metadataPrefix);
}
}
unset($args[$checkList["required"][$i]]);
}
}
}
debug_message('Before return');
debug_print_r('errors', $errors);
if (!empty($errors)) {
return;
}
// check to see if there is unwanted
foreach ($args as $key => $val) {
debug_message("checkArgs: {$key}");
if (!in_array($key, $checkList["ops"])) {
debug_message("Wrong\n" . print_r($checkList['ops'], true));
//$errors[] = oai_error('badArgument', $key, $val); // ignore it...
}
switch ($key) {
case 'from':
case 'until':
if (!checkDateFormat($val)) {
$errors[] = oai_error('badGranularity', $key, $val);
}
break;
case 'resumptionToken':
// only check for expairation
// if((int)$val+TOKEN_VALID < time())
// only check for value
if (empty($val)) {
$errors[] = oai_error('badResumptionToken');
}
break;
}
}
}
$identifier = $record[$SQL['identifier']];
$datestamp = formatDatestamp($record[$SQL['datestamp']]);
$setspec = $record[$SQL['set']];
// debug_var_dump('record', $record);
if (isset($record[$SQL['deleted']]) && $record[$SQL['deleted']] === true && ($deletedRecord == 'transient' || $deletedRecord == 'persistent')) {
$status_deleted = TRUE;
} else {
$status_deleted = FALSE;
}
//debug_var_dump('status_deleted', $status_deleted);
if ($args['verb'] == 'ListRecords') {
$cur_record = $outputObj->create_record();
$cur_header = $outputObj->create_header($oaiprefix . '-' . $identifier, $datestamp, $setspec, $cur_record);
// return the metadata record itself
if (!$status_deleted) {
debug_var_dump('inc_record', $inc_record);
create_metadata($outputObj, $cur_record, $identifier, $setspec, $db);
}
} else {
// for ListIdentifiers, only identifiers will be returned.
$cur_header = $outputObj->create_header($oaiprefix . '-' . $identifier, $datestamp, $setspec);
}
if ($status_deleted) {
$cur_header->setAttribute("status", "deleted");
}
}
// ResumptionToken
if (isset($restoken)) {
if (isset($expirationdatetime)) {
$outputObj->create_resumpToken($restoken, $expirationdatetime, $num_rows, $cursor);
} else {
