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phrets.php
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<?php
class phRETS {
/**
* PHRETS - PHP library for RETS
* version 1.0.1
* http://troda.com/projects/phrets/
* Copyright (C) 2007-2012 Troy Davisson
* please submit problem or error reports to https://github.com/troydavisson/PHRETS/issues
*
* All rights reserved.
* Permission is hereby granted, free of charge, to use, copy or modify this software. Use at your own risk.
*
* This library is divided into 2 sections: high level and low level
* High level: Helpful functions that take much of the burden out of processing RETS data
* Low level: Framework for communicating with a RETS server. High level functions sit on top of these
*
*/
public $capability_url = array();
private $ch;
private $server_hostname;
private $server_port;
private $server_protocol;
private $server_version;
private $server_software;
private $static_headers = array();
private $server_information = array();
private $cookie_file = "";
private $debug_file = "rets_debug.txt";
private $debug_mode;
private $allowed_capabilities = array(
"Action" => 1,
"ChangePassword" => 1,
"GetObject" => 1,
"Login" => 1,
"LoginComplete" => 1,
"Logout" => 1,
"Search" => 1,
"GetMetadata" => 1,
"ServerInformation" => 1,
"Update" => 1,
"PostObject" => 1,
"GetPayloadList" => 1
);
private $last_request = array();
private $auth_support_basic = false;
private $auth_support_digest = false;
private $last_response_headers = array();
private $last_response_headers_raw = "";
private $last_remembered_header = "";
private $compression_enabled = false;
private $ua_pwd = "";
private $ua_auth = false;
private $request_id = "";
private $disable_follow_location = false;
private $force_basic_authentication = false;
private $use_interealty_ua_auth = false;
private $int_result_pointer = 0;
private $error_info = array();
private $last_request_url;
private $last_server_response;
private $session_id;
private $catch_last_response = false;
private $disable_encoding_fix = false;
private $offset_support = false;
private $override_offset_protection = false;
public function phRETS() { }
public function GetLastServerResponse() {
return $this->last_server_response;
}
public function FirewallTest() {
$google = $this->FirewallTestConn("google.com", 80);
$crt80 = $this->FirewallTestConn("demo.crt.realtors.org", 80);
$crt6103 = $this->FirewallTestConn("demo.crt.realtors.org", 6103);
$flexmls80 = $this->FirewallTestConn("retsgw.flexmls.com", 80);
$flexmls6103 = $this->FirewallTestConn("retsgw.flexmls.com", 6103);
if (!$google && !$crt80 && !$crt6103 && !$flexmls80 && !$flexmls6103) {
echo "Firewall Result: All tests failed. Possible causes:";
echo "<ol>";
echo "<li>Firewall is blocking your outbound connections</li>";
echo "<li>You aren't connected to the internet</li>";
echo "</ol>";
return false;
}
if (!$crt6103 && !$flexmls6103) {
echo "Firewall Result: All port 6103 tests failed. ";
echo "Likely cause: Firewall is blocking your outbound connections on port 6103.";
return false;
}
if ($google && $crt6103 && $crt80 && $flexmls6103 && $flexmls80) {
echo "Firewall Result: All tests passed.";
return true;
}
if (($crt6103 && !$flexmls6103) || (!$crt6103 && $flexmls6103)) {
echo "Firewall Result: At least one port 6103 test passed. ";
echo "Likely cause: One of the test servers might be down but connections on port 80 and port 6103 should work.";
return true;
}
if (!$google || !$crt80 || !$flexmls80) {
echo "Firewall Result: At least one port 80 test failed. ";
echo "Likely cause: One of the test servers might be down.";
return true;
}
echo "Firewall Results: Unable to guess the issue. See individual test results above.";
return false;
}
private function FirewallTestConn($hostname, $port = 6103) {
$fp = @fsockopen($hostname, $port, $errno, $errstr, 5);
if (!$fp) {
echo "Firewall Test: {$hostname}:{$port} FAILED<br>\n";
return false;
}
else {
@fclose($fp);
echo "Firewall Test: {$hostname}:{$port} GOOD<br>\n";
return true;
}
}
public function GetObject($resource, $type, $id, $photo_number = '*', $location = 0) {
$this->reset_error_info();
$return_photos = array();
if (empty($resource)) {
die("Resource parameter is required for GetObject() request.");
}
if (empty($type)) {
die("Type parameter is required for GetObject() request.");
}
if (empty($id)) {
die("ID parameter is required for GetObject() request.");
}
if (empty($this->capability_url['GetObject'])) {
die("GetObject() called but unable to find GetObject location. Failed login?\n");
}
$send_id = "";
$send_numb = "";
// check if $photo_number needs fixing
if (strpos($photo_number, ',') !== false) {
// change the commas to colons for the request
$photo_number = preg_replace('/\,/', ':', $photo_number);
}
if (strpos($photo_number, ':') !== false) {
// photo number contains multiple objects
// chopping and cleaning
$requested_numbers = explode(":", $photo_number);
if (is_array($requested_numbers)) {
foreach ($requested_numbers as $numb) {
$numb = trim($numb);
if (!empty($numb) || $numb == "0") {
$send_numb .= "{$numb}:";
}
}
}
$send_numb = preg_replace('/\:$/', '', $send_numb);
}
else {
$send_numb = trim($photo_number);
}
if (strpos($id, ',') !== false) {
// id contains multiple objects.
// chopping and combining with photo_number
$requested_ids = explode(",", $id);
if (is_array($requested_ids)) {
foreach ($requested_ids as $req_id) {
$req_id = trim($req_id);
if (!empty($req_id) && $req_id != "0") {
$send_id .= "{$req_id}:{$send_numb},";
}
}
}
$send_id = preg_replace('/\,$/', '', $send_id);
}
else {
$send_id = trim($id).':'.$send_numb;
}
// make request
$result = $this->RETSRequest($this->capability_url['GetObject'],
array(
'Resource' => $resource,
'Type' => $type,
'ID' => $send_id,
'Location' => $location
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
// fix case issue if exists
if (isset($this->last_response_headers['Content-type']) && !isset($this->last_response_headers['Content-Type'])) {
$this->last_response_headers['Content-Type'] = $this->last_response_headers['Content-type'];
}
if (!isset($this->last_response_headers['Content-Type'])) {
$this->last_response_headers['Content-Type'] = "";
}
// check what type of response came back
if (strpos($this->last_response_headers['Content-Type'], 'multipart') !== false) {
// help bad responses be more multipart compliant
$body = "\r\n{$body}\r\n";
// multipart
preg_match('/boundary\=\"(.*?)\"/', $this->last_response_headers['Content-Type'], $matches);
if (isset($matches[1])) {
$boundary = $matches[1];
}
else {
preg_match('/boundary\=(.*?)(\s|$|\;)/', $this->last_response_headers['Content-Type'], $matches);
$boundary = $matches[1];
}
// strip quotes off of the boundary
$boundary = preg_replace('/^\"(.*?)\"$/', '\1', $boundary);
// clean up the body to remove a reamble and epilogue
$body = preg_replace('/^(.*?)\r\n--'.$boundary.'\r\n/', "\r\n--{$boundary}\r\n", $body);
// make the last one look like the rest for easier parsing
$body = preg_replace('/\r\n--'.$boundary.'--/', "\r\n--{$boundary}\r\n", $body);
// cut up the message
$multi_parts = array();
$multi_parts = explode("\r\n--{$boundary}\r\n", $body);
// take off anything that happens before the first boundary (the preamble)
array_shift($multi_parts);
// take off anything after the last boundary (the epilogue)
array_pop($multi_parts);
// go through each part of the multipart message
foreach ($multi_parts as $part) {
// default to processing headers
$on_headers = true;
$on_body = false;
$first_body_found = false;
$this_photo = array();
// go through the multipart chunk line-by-line
$body_parts = array();
$body_parts = explode("\r\n", $part);
$this_photo['Data'] = "";
foreach ($body_parts as $line) {
if (empty($line) && $on_headers == true) {
// blank line. switching to processing a body and moving on
$on_headers = false;
$on_body = true;
continue;
}
if ($on_headers == true) {
// non blank line and we're processing headers so save the header
$header = null;
$value = null;
if (strpos($line, ':') !== false) {
@list($header, $value) = explode(':', $line, 2);
}
$header = trim($header);
$value = trim($value);
if (!empty($header)) {
if ($header == "Description") {
// for servers where the implementors didn't read the next word in the RETS spec.
// 'Description' is the BNF term. Content-Description is the correct header.
// fixing for sanity
$header = "Content-Description";
}
// fix case issue if exists
if ($header == "Content-type") {
$header = "Content-Type";
}
$this_photo[$header] = $value;
}
}
if ($on_body == true) {
if ($first_body_found == true) {
// here again because a linebreak in the body section which was cut out in the explode
// add the CRLF back
$this_photo['Data'] .= "\r\n";
}
// non blank line and we're processing a body so save the line as part of Data
$first_body_found = true;
$this_photo['Data'] .= $line;
}
}
// done with parsing out the multipart response
// check for errors and finish up
$this_photo['Success'] = true; // assuming for now
if (strpos($this_photo['Content-Type'], 'xml') !== false) {
// this multipart might include a RETS error
$xml = $this->ParseXMLResponse($this_photo['Data']);
if ($xml['ReplyCode'] == 0 || empty($this_photo['Data'])) {
// success but no body
$this_photo['Success'] = true;
}
else {
// RETS error in this multipart section
$this_photo['Success'] = false;
$this_photo['ReplyCode'] = "{$xml['ReplyCode']}";
$this_photo['ReplyText'] = "{$xml['ReplyText']}";
}
}
// add information about this multipart to the returned array
$return_photos[] = $this_photo;
}
}
else {
// all we know is that the response wasn't a multipart so it's either a single photo or error
$this_photo = array();
$this_photo['Success'] = true; // assuming for now
if (isset($this->last_response_headers['Content-ID'])) {
$this_photo['Content-ID'] = $this->last_response_headers['Content-ID'];
}
if (isset($this->last_response_headers['Object-ID'])) {
$this_photo['Object-ID'] = $this->last_response_headers['Object-ID'];
}
if (isset($this->last_response_headers['Content-Type'])) {
$this_photo['Content-Type'] = $this->last_response_headers['Content-Type'];
}
if (isset($this->last_response_headers['MIME-Version'])) {
$this_photo['MIME-Version'] = $this->last_response_headers['MIME-Version'];
}
if (isset($this->last_response_headers['Location'])) {
$this_photo['Location'] = $this->last_response_headers['Location'];
}
if (isset($this->last_response_headers['Preferred'])) {
$this_photo['Preferred'] = $this->last_response_headers['Preferred'];
}
if (isset($this->last_response_headers['Description'])) {
if (!empty($this->last_response_headers['Description'])) {
// for servers where the implementors didn't read the next word in the RETS spec.
// 'Description' is the BNF term. Content-Description is the correct header.
// fixing for sanity
$this_photo['Content-Description'] = $this->last_response_headers['Description'];
}
}
if (isset($this->last_response_headers['Content-Description'])) {
$this_photo['Content-Description'] = $this->last_response_headers['Content-Description'];
}
$this_photo['Length'] = strlen($body);
$this_photo['Data'] = $body;
if (isset($this->last_response_headers['Content-Type'])) {
if (strpos($this->last_response_headers['Content-Type'], 'xml') !== false) {
// RETS error maybe?
$xml = $this->ParseXMLResponse($body);
if ($xml['ReplyCode'] == 0 || empty($body)) {
// false alarm. we're good
$this_photo['Success'] = true;
}
else {
// yes, RETS error
$this->last_request['ReplyCode'] = "{$xml['ReplyCode']}";
$this->last_request['ReplyText'] = "{$xml['ReplyText']}";
$this_photo['ReplyCode'] = "{$xml['ReplyCode']}";
$this_photo['ReplyText'] = "{$xml['ReplyText']}";
$this_photo['Success'] = false;
}
}
}
// add information about this photo to the returned array
$return_photos[] = $this_photo;
}
// return everything
return $return_photos;
}
public function IsMaxrowsReached($pointer_id = "") {
if (empty($pointer_id)) {
$pointer_id = $this->int_result_pointer;
}
return $this->search_data[$pointer_id]['maxrows_reached'];
}
public function TotalRecordsFound($pointer_id = "") {
if (empty($pointer_id)) {
$pointer_id = $this->int_result_pointer;
}
return $this->search_data[$pointer_id]['total_records_found'];
}
public function NumRows($pointer_id = "") {
if (empty($pointer_id)) {
$pointer_id = $this->int_result_pointer;
}
return $this->search_data[$pointer_id]['last_search_returned'];
}
public function SearchGetFields($pointer_id) {
if (!empty($pointer_id)) {
return $this->search_data[$pointer_id]['column_names'];
}
else {
return false;
}
}
public function FreeResult($pointer_id) {
if (!empty($pointer_id)) {
unset($this->search_data[$pointer_id]['data']);
unset($this->search_data[$pointer_id]['delimiter_character']);
unset($this->search_data[$pointer_id]['column_names']);
return true;
}
else {
return false;
}
}
public function FetchRow($pointer_id) {
$this_row = false;
if (!empty($pointer_id)) {
if (isset($this->search_data[$pointer_id]['data'])) {
$field_data = current($this->search_data[$pointer_id]['data']);
next($this->search_data[$pointer_id]['data']);
}
if (!empty($field_data)) {
$this_row = array();
// split up DATA row on delimiter found earlier
$field_data = preg_replace("/^{$this->search_data[$pointer_id]['delimiter_character']}/", "", $field_data);
$field_data = preg_replace("/{$this->search_data[$pointer_id]['delimiter_character']}\$/", "", $field_data);
$field_data = explode($this->search_data[$pointer_id]['delimiter_character'], $field_data);
foreach ($this->search_data[$pointer_id]['column_names'] as $key => $name) {
// assign each value to it's name retrieved in the COLUMNS earlier
$this_row[$name] = $field_data[$key];
}
}
}
return $this_row;
}
public function SearchQuery($resource, $class, $query = "", $optional_params = array()) {
$this->reset_error_info();
if (empty($resource)) {
die("Resource parameter is required in SearchQuery() request.");
}
if (empty($class)) {
die("Class parameter is required in SearchQuery() request.");
}
if (empty($this->capability_url['Search'])) {
die("SearchQuery() called but unable to find Search location. Failed login?\n");
}
$this->int_result_pointer++;
$this->search_data[$this->int_result_pointer]['last_search_returned'] = 0;
$this->search_data[$this->int_result_pointer]['total_records_found'] = 0;
$this->search_data[$this->int_result_pointer]['column_names'] = "";
$this->search_data[$this->int_result_pointer]['delimiter_character'] = "";
$this->search_data[$this->int_result_pointer]['search_requests'] = 0;
// setup request arguments
$search_arguments = array();
$search_arguments['SearchType'] = $resource;
$search_arguments['Class'] = $class;
// due to a lack of forward-thinking, reversing a previous decision
// check if the query passed is missing the outer parenthesis
// if so, add them
if (empty($query)) {
// do nothing. http://retsdoc.onconfluence.com/display/rcpcenter/RCP+80+-+Optional+Query
}
elseif ($query == "*" || preg_match('/^\((.*)\)$/', $query)) {
$search_arguments['Query'] = $query;
}
else {
$search_arguments['Query'] = '('.$query.')';
}
if (isset($search_arguments['Query'])) {
$search_arguments['QueryType'] = "DMQL2";
}
if (!empty($optional_params['QueryType'])) {
$search_arguments['QueryType'] = $optional_params['QueryType'];
}
// setup additional, optional request arguments
$search_arguments['Count'] = empty($optional_params['Count']) ? 1 : $optional_params['Count'];
$search_arguments['Format'] = empty($optional_params['Format']) ? "COMPACT-DECODED" : $optional_params['Format'];
$search_arguments['Limit'] = empty($optional_params['Limit']) ? 99999999 : $optional_params['Limit'];
if (isset($optional_params['Offset'])) {
$search_arguments['Offset'] = $optional_params['Offset'];
}
elseif ($this->offset_support && empty($optional_params['Offset'])) {
// start auto-offset looping with Offset at 1
$search_arguments['Offset'] = 1;
}
else { }
if (!empty($optional_params['Select'])) {
$search_arguments['Select'] = $optional_params['Select'];
}
if (!empty($optional_params['RestrictedIndicator'])) {
$search_arguments['RestrictedIndicator'] = $optional_params['RestrictedIndicator'];
}
$search_arguments['StandardNames'] = empty($optional_params['StandardNames']) ? 0 : $optional_params['StandardNames'];
$continue_searching = true; // Keep searching if MAX ROWS is reached and offset_support is true
while ($continue_searching) {
$this->search_data[$this->int_result_pointer]['maxrows_reached'] = false;
$this->search_data[$this->int_result_pointer]['search_requests']++;
if ($this->search_data[$this->int_result_pointer]['search_requests'] == 300 && !$this->override_offset_protection) {
// this call for SearchQuery() has resulted in X number of search requests
// which is considered excessive. stopping the process in order to prevent
// abuse against the server. almost ALWAYS happens when the user thinks Offset
// is supported by the server when it's actually NOT supported
$this->set_error_info("phrets", -1, "Last SearchQuery() has resulted in 300+ requests to the server. Stopping to prevent abuse");
return false;
}
// make request
$result = $this->RETSRequest($this->capability_url['Search'], $search_arguments);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$body = $this->fix_encoding($body);
$xml = $this->ParseXMLResponse($body);
if (!$xml) {
return false;
}
// log replycode and replytext for reference later
$this->last_request['ReplyCode'] = "{$xml['ReplyCode']}";
$this->last_request['ReplyText'] = "{$xml['ReplyText']}";
if ($xml['ReplyCode'] != 0) {
$this->set_error_info("rets", "{$xml['ReplyCode']}", "{$xml['ReplyText']}");
return false;
}
if (isset($xml->DELIMITER)) {
// delimiter found so we have at least a COLUMNS row to parse
$delimiter_character = chr("{$xml->DELIMITER->attributes()->value}");
$this->search_data[$this->int_result_pointer]['delimiter_character'] = $delimiter_character;
$column_names = "{$xml->COLUMNS[0]}";
$column_names = preg_replace("/^{$delimiter_character}/", "", $column_names);
$column_names = preg_replace("/{$delimiter_character}\$/", "", $column_names);
$this->search_data[$this->int_result_pointer]['column_names'] = explode($delimiter_character, $column_names);
}
if (isset($xml->DATA)) {
foreach ($xml->DATA as $key) {
$field_data = "{$key}";
// split up DATA row on delimiter found earlier
$this->search_data[$this->int_result_pointer]['data'][] = $field_data;
$this->search_data[$this->int_result_pointer]['last_search_returned']++;
}
}
if (isset($xml->MAXROWS)) {
// MAXROWS tag found. the RETS server withheld records.
// if the server supports Offset, more requests can be sent to page through results
// until this tag isn't found anymore.
$this->search_data[$this->int_result_pointer]['maxrows_reached'] = true;
}
if (isset($xml->COUNT)) {
// found the record count returned. save it
$this->search_data[$this->int_result_pointer]['total_records_found'] = "{$xml->COUNT->attributes()->Records}";
}
if (isset($xml)) {
unset($xml);
}
if ($this->IsMaxrowsReached($this->int_result_pointer) && $this->offset_support) {
$continue_searching = true;
$search_arguments['Offset'] = $this->NumRows($this->int_result_pointer) + 1;
}
else {
$continue_searching = false;
}
}
return $this->int_result_pointer;
}
public function Search($resource, $class, $query = "", $optional_params = array()) {
$data_table = array();
$int_result_pointer = $this->SearchQuery($resource, $class, $query, $optional_params);
while ($row = $this->FetchRow($int_result_pointer)) {
$data_table[] = $row;
}
return $data_table;
}
public function GetAllLookupValues($resource) {
$this->reset_error_info();
if (empty($resource)) {
die("Resource parameter is required in GetAllLookupValues() request.");
}
if (empty($this->capability_url['GetMetadata'])) {
die("GetAllLookupValues() called but unable to find GetMetadata location. Failed login?\n");
}
// make request
$result = $this->RETSRequest($this->capability_url['GetMetadata'],
array(
'Type' => 'METADATA-LOOKUP_TYPE',
'ID' => $resource.':*',
'Format' => 'STANDARD-XML'
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$xml = $this->ParseXMLResponse($body);
if (!$xml) {
return false;
}
if ($xml['ReplyCode'] != 0) {
$this->set_error_info("rets", "{$xml['ReplyCode']}", "{$xml['ReplyText']}");
return false;
}
$this_table = array();
// parse XML into a nice array
if ($xml->METADATA && $xml->METADATA->{'METADATA-LOOKUP_TYPE'}) {
foreach ($xml->METADATA->{'METADATA-LOOKUP_TYPE'} as $key) {
if (!empty($key->attributes()->Lookup)) {
$this_lookup = array();
$lookup_xml_array = array();
if (!empty($key->LookupType)) {
$lookup_xml_array = $key->LookupType;
}
else {
$lookup_xml_array = $key->Lookup;
}
if (is_object($lookup_xml_array)) {
foreach ($lookup_xml_array as $look) {
$metadataentryid = isset($look->MetadataEntryID) ? "{$look->MetadataEntryID}" : "";
$value = isset($look->Value) ? "{$look->Value}" : "";
$shortvalue = isset($look->ShortValue) ? "{$look->ShortValue}" : "";
$longvalue = isset($look->LongValue) ? "{$look->LongValue}" : "";
$this_lookup[] = array(
'MetadataEntryID' => $metadataentryid,
'Value' => $value,
'ShortValue' => $shortvalue,
'LongValue' => $longvalue
);
}
}
$this_table[] = array('Lookup' => "{$key->attributes()->Lookup}", 'Values' => $this_lookup);
}
}
}
// return the big array
return $this_table;
}
public function GetLookupValues($resource, $lookupname) {
$this->reset_error_info();
if (empty($resource)) {
die("Resource parameter is required in GetLookupValues() request.");
}
if (empty($lookupname)) {
die("Lookup Name parameter is required in GetLookupValues() request.");
}
if (empty($this->capability_url['GetMetadata'])) {
die("GetLookupValues() called but unable to find GetMetadata location. Failed login?\n");
}
// make request
$result = $this->RETSRequest($this->capability_url['GetMetadata'],
array(
'Type' => 'METADATA-LOOKUP_TYPE',
'ID' => $resource.':'.$lookupname,
'Format' => 'STANDARD-XML'
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$xml = $this->ParseXMLResponse($body);
if (!$xml) {
return false;
}
if ($xml['ReplyCode'] != 0) {
$this->set_error_info("rets", "{$xml['ReplyCode']}", "{$xml['ReplyText']}");
return false;
}
$this_table = array();
// parse XML into a nice array
if ($xml->METADATA && $xml->METADATA->{'METADATA-LOOKUP_TYPE'}) {
$lookup_xml_array = array();
if (!empty($xml->METADATA->{'METADATA-LOOKUP_TYPE'}->LookupType)) {
$lookup_xml_array = $xml->METADATA->{'METADATA-LOOKUP_TYPE'}->LookupType;
}
else {
$lookup_xml_array = $xml->METADATA->{'METADATA-LOOKUP_TYPE'}->Lookup;
}
if (is_object($lookup_xml_array)) {
foreach ($lookup_xml_array as $key) {
if (isset($key->Value)) {
$metadataentryid = isset($key->MetadataEntryID) ? "{$key->MetadataEntryID}" : "";
$value = isset($key->Value) ? "{$key->Value}" : "";
$shortvalue = isset($key->ShortValue) ? "{$key->ShortValue}" : "";
$longvalue = isset($key->LongValue) ? "{$key->LongValue}" : "";
$this_table[] = array(
'MetadataEntryID' => $metadataentryid,
'Value' => $value,
'ShortValue' => $shortvalue,
'LongValue' => $longvalue
);
}
}
}
}
// return the big array
return $this_table;
}
public function GetMetadataResources($id = 0) {
$this->reset_error_info();
if (empty($this->capability_url['GetMetadata'])) {
die("GetMetadataResources() called but unable to find GetMetadata location. Failed login?\n");
}
// make request
$result = $this->RETSRequest($this->capability_url['GetMetadata'],
array(
'Type' => 'METADATA-RESOURCE',
'ID' => $id,
'Format' => 'STANDARD-XML'
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$xml = $this->ParseXMLResponse($body);
if (!$xml) {
return false;
}
if ($xml['ReplyCode'] != 0) {
$this->set_error_info("rets", "{$xml['ReplyCode']}", "{$xml['ReplyText']}");
return false;
}
$this_resource = array();
// parse XML into a nice array
if ($xml->METADATA) {
foreach ($xml->METADATA->{'METADATA-RESOURCE'}->Resource as $key => $value) {
$this_resource["{$value->ResourceID}"] = array(
'ResourceID' => "{$value->ResourceID}",
'StandardName'=>"{$value->StandardName}",
'VisibleName' => "{$value->VisibleName}",
'Description' => "{$value->Description}",
'KeyField' => "{$value->KeyField}",
'ClassCount' => "{$value->ClassCount}",
'ClassVersion' => "{$value->ClassVersion}",
'ClassDate' => "{$value->ClassDate}",
'ObjectVersion' => "{$value->ObjectVersion}",
'ObjectDate' => "{$value->ObjectDate}",
'SearchHelpVersion' => "{$value->SearchHelpVersion}",
'SearchHelpDate' => "{$value->SearchHelpDate}",
'EditMaskVersion' => "{$value->EditMaskVersion}",
'EditMaskDate' => "{$value->EditMaskDate}",
'LookupVersion' => "{$value->LookupVersion}",
'LookupDate' => "{$value->LookupDate}",
'UpdateHelpVersion' => "{$value->UpdateHelpVersion}",
'UpdateHelpDate' => "{$value->UpdateHelpDate}",
'ValidationExpressionVersion' => "{$value->ValidationExpressionVersion}",
'ValidationExpressionDate' => "{$value->ValidationExpressionDate}",
'ValidationLookupVersion' => "{$value->ValidationLookupVersion}",
'ValidationLookupDate' => "{$value->ValidationLookupDate}",
'ValidationExternalVersion' => "{$value->ValidationExternalVersion}",
'ValidationExternalDate' => "{$value->ValidationExternalDate}"
);
}
}
// send back array
return $this_resource;
}
public function GetMetadataInfo($id = 0) {
if (empty($this->capability_url['GetMetadata'])) {
die("GetMetadataInfo() called but unable to find GetMetadata location. Failed login?\n");
}
return $this->GetMetadataResources($id);
}
public function GetMetadataTable($resource, $class) {
$this->reset_error_info();
$id = $resource.':'.$class;
if (empty($resource)) {
die("Resource parameter is required in GetMetadata() request.");
}
if (empty($class)) {
die("Class parameter is required in GetMetadata() request.");
}
if (empty($this->capability_url['GetMetadata'])) {
die("GetMetadataTable() called but unable to find GetMetadata location. Failed login?\n");
}
// request specific metadata
$result = $this->RETSRequest($this->capability_url['GetMetadata'],
array(
'Type' => 'METADATA-TABLE',
'ID' => $id,
'Format' => 'STANDARD-XML'
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$xml = $this->ParseXMLResponse($body);
if (!$xml) {
return false;
}
// log replycode and replytext for reference later
$this->last_request['ReplyCode'] = "{$xml['ReplyCode']}";
$this->last_request['ReplyText'] = "{$xml['ReplyText']}";
if ($xml['ReplyCode'] != 0) {
$this->set_error_info("rets", "{$xml['ReplyCode']}", "{$xml['ReplyText']}");
return false;
}
$this_table = array();
// parse XML into a nice array
if ($xml->METADATA) {
foreach ($xml->METADATA->{'METADATA-TABLE'}->Field as $key) {
$this_table[] = array(
'SystemName' => "{$key->SystemName}",
'StandardName' => "{$key->StandardName}",
'LongName' => "{$key->LongName}",
'DBName' => "{$key->DBName}",
'ShortName' => "{$key->ShortName}",
'MaximumLength' => "{$key->MaximumLength}",
'DataType' => "{$key->DataType}",
'Precision' => "{$key->Precision}",
'Searchable' => "{$key->Searchable}",
'Interpretation' => "{$key->Interpretation}",
'Alignment' => "{$key->Alignment}",
'UseSeparator' => "{$key->UseSeparator}",
'EditMaskID' => "{$key->EditMaskID}",
'LookupName' => "{$key->LookupName}",
'MaxSelect' => "{$key->MaxSelect}",
'Units' => "{$key->Units}",
'Index' => "{$key->Index}",
'Minimum' => "{$key->Minimum}",
'Maximum' => "{$key->Maximum}",
'Default' => "{$key->Default}",
'Required' => "{$key->Required}",
'SearchHelpID' => "{$key->SearchHelpID}",
'Unique' => "{$key->Unique}",
'MetadataEntryID' => "{$key->MetadataEntryID}",
'ModTimeStamp' => "{$key->ModTimeStamp}",
'ForeignKeyName' => "{$key->ForiengKeyName}",
'ForeignField' => "{$key->ForeignField}",
'InKeyIndex' => "{$key->InKeyIndex}"
);
}
}
// return the big array
return $this_table;
}
public function GetMetadata($resource, $class) {
if (empty($this->capability_url['GetMetadata'])) {
die("GetMetadata() called but unable to find GetMetadata location. Failed login?\n");
}
return $this->GetMetadataTable($resource, $class);
}
public function GetMetadataObjects($id) {
$this->reset_error_info();
if (empty($id)) {
die("ID parameter is required in GetMetadataObjects() request.");
}
if (empty($this->capability_url['GetMetadata'])) {
die("GetMetadataObjects() called but unable to find GetMetadata location. Failed login?\n");
}
// request basic metadata information
$result = $this->RETSRequest($this->capability_url['GetMetadata'],
array(
'Type' => 'METADATA-OBJECT',
'ID' => $id,
'Format' => 'STANDARD-XML'
)
);
if (!$result) {
return false;
}
list($headers, $body) = $result;
$xml = $this->ParseXMLResponse($body);