/**
* Fix problems PHP DOM parser have with ais-generated html.
*
* The major problem is <script> tag inside which are the table data.
* Here, we fix these <script> tags replacing them as <div> tags.
*
* @param Trace $trace
* @param string $html html code to fix
*
* @returns string fixed html code ready for DOM parsing.
*/
public function fixProblematicTags(Trace $trace, $html)
{
Preconditions::checkIsString($html);
$html = str_replace("<!--", "", $html);
$html = str_replace("-->", "", $html);
$html = str_replace("script", "div", $html);
$trace->tlogVariable("Fixed html", $html);
return $html;
}
public function getOptions(Trace $trace, DOMElement $element)
{
$options = array();
$list = $element->getElementsByTagName('option');
foreach ($list as $node) {
$value = $this->fixNbsp($node->textContent);
$options[] = $value;
}
$trace->tlogVariable("options", $options);
return $options;
}
/**
* Parse a line of proxy file in a string
*
* @param Trace $trace trace object
* @param string $line not including line termination characters
* @returns array service, value and domain from parsed line, indexed by
* those strings or false if this is not correct proxy line
*/
private function parseString(Trace $trace, $line)
{
Preconditions::checkIsString($line, '$line should be string.');
$matches = array();
if (!preg_match(self::PROXY_LINE_PATTERN, $line, $matches)) {
$trace->tlog('Line did not match');
$trace->tlogVariable('line', $line);
throw new ParseException('Proxy file line does not match');
}
try {
return new CosignServiceCookie($matches[1], $matches[2], $matches[3]);
} catch (InvalidArgumentException $e) {
throw new ParseException('Proxy file arguments are invalid', null, $e);
}
}
private function prepareResponse(Trace $trace, $html)
{
// fixing html code, so DOMDocumet it can parse
Preconditions::checkIsString($html);
$html = str_replace("<!--", "", $html);
$html = str_replace("-->", "", $html);
// just first javascript code contain data which we want
$count = 1;
$html = str_replace("type='application/javascript'", "id='init-data'", $html, $count);
$html = str_replace("script", "div", $html);
$html = $this->fixNbsp($html);
$trace->tlogVariable("Fixed html", $html);
// creating DOMDocument
$dom = new DOMDocument();
$trace->tlog("Loading html to DOM");
$loaded = @$dom->loadHTML($html);
if (!$loaded) {
throw new ParseException("Problem parsing html to DOM.");
}
//fixing id atributes
$trace->tlog('Fixing id attributes in the DOM');
$xpath = new DOMXPath($dom);
$nodes = $xpath->query("//*[@id]");
foreach ($nodes as $node) {
// Note: do not erase next line. @see
// http://www.navioo.com/php/docs/function.dom-domelement-setidattribute.php
// for explanation!
$node->setIdAttribute('id', false);
$node->setIdAttribute('id', true);
}
return $dom;
}
/**
* Add a serial number to the xml request and make this requset happen
*
* @param DOMDocument $action xml request withou serial number
*/
public function doActionRequest(Trace $trace, $action)
{
$finalRequest = new DOMDocument();
$request = $finalRequest->createElement('request');
$serialNumber = $this->requestBuilder->newSerial();
$serial = $finalRequest->createElement('serial', $serialNumber);
$request->appendChild($serial);
$finalRequest->appendChild($request);
foreach ($action->childNodes as $element) {
$element = $finalRequest->importNode($element, true);
$finalRequest->documentElement->appendChild($element);
}
$data = array('xml_spec' => $finalRequest->saveXML($finalRequest->documentElement));
$trace->tlogVariable('xml req', $data['xml_spec']);
return $this->connection->request($trace, $this->getRequestUrl(), $data);
}
/**
* Returns user's full name as reported by ais.
*
* @returns string
*/
public function getFullUserName(Trace $trace)
{
$userNameParser = new AIS2UserNameParser();
$simpleConn = $this->connection->getSimpleConnection();
$urlMap = $this->connection->getUrlMap();
$html = $simpleConn->request($trace->addChild('requesting AIS2 main page'), $urlMap->getStartPageUrl());
$html = $this->convertEncoding($html);
$username = $userNameParser->parseUserNameFromMainPage($html);
$trace->tlogVariable('username', $username);
return $username;
}
private function exec(Trace $trace)
{
// read cookie file
$this->_curlSetOption(CURLOPT_COOKIEFILE, $this->cookieFile);
$output = curl_exec($this->curl);
$response_code = curl_getinfo($this->curl, CURLINFO_HTTP_CODE);
$content_type = curl_getinfo($this->curl, CURLINFO_CONTENT_TYPE);
$tags = array('http-response-code' => $response_code, 'content-type' => $content_type);
$trace->tlogVariable("Response", $output, $tags);
$this->processStatistics($this->curl);
if (curl_errno($this->curl)) {
$trace->tlog("There was an error receiving data");
throw new Exception("Chyba pri nadväzovaní spojenia:" . curl_error($this->curl));
}
// Do not forget to save current file content
$this->_curlSetOption(CURLOPT_COOKIEJAR, $this->cookieFile);
return $output;
}
public function getTableData(Trace $trace, DOMDocument $dom)
{
$data = array();
$trace->tlog("finding tbody element");
$element = $dom->getElementById('dataTabBody0');
if ($element == null) {
throw new ParseException("Can't find table data");
}
foreach ($element->childNodes as $aisRow) {
assert($aisRow->tagName == "tr");
assert($aisRow->hasAttribute("id"));
assert($aisRow->hasChildNodes());
// TODO: asserty prerobit na exceptiony
$row = array();
$rowId = $aisRow->getAttribute("id");
$index = StrUtil::match('@^row_([0-9]+)$@', $rowId);
if ($index === false) {
throw new ParseException("Unexpected row id format");
}
foreach ($aisRow->childNodes as $ais_td) {
assert($ais_td->tagName == "td");
$row[] = $this->getCellContent($ais_td);
}
$data[$index] = $row;
}
$trace->tlogVariable("data", $data);
return $data;
}
