public function testQueryParserExceptionsHandling()
{
$this->assertTrue(Zend_Search_Lucene_Search_QueryParser::queryParsingExceptionsSuppressed());
try {
$query = Zend_Search_Lucene_Search_QueryParser::parse('contents:[business TO by}');
} catch (Zend_Search_Lucene_Exception $e) {
$this->fail('exception raised while parsing a query');
}
$this->assertEquals('contents business to by', $query->__toString());
Zend_Search_Lucene_Search_QueryParser::dontSuppressQueryParsingExceptions();
$this->assertFalse(Zend_Search_Lucene_Search_QueryParser::queryParsingExceptionsSuppressed());
try {
$query = Zend_Search_Lucene_Search_QueryParser::parse('contents:[business TO by}');
$this->fail('exception wasn\'t raised while parsing a query');
} catch (Zend_Search_Lucene_Exception $e) {
$this->assertEquals('Syntax error at char position 25.', $e->getMessage());
}
Zend_Search_Lucene_Search_QueryParser::suppressQueryParsingExceptions();
$this->assertTrue(Zend_Search_Lucene_Search_QueryParser::queryParsingExceptionsSuppressed());
}
function search()
{
if (!empty($this->data['Tutorial'])) {
// convert POST to Cake named params (it's prettier than GET)
$this->redirect(array_merge($this->params['named'], $this->data['Tutorial']));
}
// default to boolean AND searching
Zend_Search_Lucene_Search_QueryParser::setDefaultOperator(Zend_Search_Lucene_Search_QueryParser::B_AND);
$query = '';
// Are there any parameters besides page?
$named_params = array_diff_key($this->params['named'], array('page' => ''));
if (!empty($named_params)) {
// sanitize with exceptions for Zend Lucene query language. (Do the exceptions introduce a vulnerability?
// Can Zend Lucene validate a query ahead of time?)
if (isset($this->params['named']['term'])) {
// $query = Sanitize::paranoid($this->params['named']['term'],
// array(' ', '"', "'", ':', '?', '*', '~', '[', ']', '_', '-', '{', '}', '.', '^', '+', '-', '(',
// ')', '&', '|', '!'));
$query = $this->params['named']['term'];
if (!empty($query)) {
// Intercept invalid queries
try {
Zend_Search_Lucene_Search_QueryParser::dontSuppressQueryParsingExceptions();
$parsed_query = Zend_Search_Lucene_Search_QueryParser::parse($query);
} catch (Zend_Search_Lucene_Exception $e) {
// Why can't I catch Zend_Search_Lucene_Search_QueryParserException?
$this->Session->setFlash("We're not sure what you mean. Are your search terms correct?");
$this->redirect(array('action' => 'search', 'term' => Sanitize::paranoid($query, array(" "))));
}
}
} else {
$parsed_query = new Zend_Search_Lucene_Search_Query_Boolean();
}
try {
if (isset($this->params['named']['learning_goal'])) {
$learning_goals = explode('|', $this->params['named']['learning_goal']);
foreach ($learning_goals as $learning_goal) {
if (is_numeric($learning_goal)) {
$learning_goal_term = new Zend_Search_Lucene_Index_Term($learning_goal, 'learning_goal');
$learning_goal_query = new Zend_Search_Lucene_Search_Query_Term($learning_goal_term);
$parsed_query->addSubquery($learning_goal_query, true);
}
}
}
if (isset($this->params['named']['resource_type'])) {
$resource_types = explode('|', $this->params['named']['resource_type']);
foreach ($resource_types as $resource_type) {
if (is_numeric($resource_type)) {
$resource_type_term = new Zend_Search_Lucene_Index_Term($resource_type, 'resource_type');
$resource_type_query = new Zend_Search_Lucene_Search_Query_Term($resource_type_term);
$parsed_query->addSubquery($resource_type_query, true);
}
}
}
if (isset($this->params['named']['keyword'])) {
$keywords = explode('|', $this->params['named']['keyword']);
foreach ($keywords as $keyword) {
if (preg_match('/[A-Za-z0-9\\-]+/', $keyword)) {
// valid UUID?
$keyword_term = new Zend_Search_Lucene_Index_Term($keyword, 'keyword');
$keyword_query = new Zend_Search_Lucene_Search_Query_Term($keyword_term);
$parsed_query->addSubquery($keyword_query, true);
}
}
}
} catch (Zend_Search_Lucene_Exception $e) {
// Why can't I catch Zend_Search_Lucene_Search_QueryParserException?
$this->Session->setFlash("We're not sure what you mean. Are your search terms correct?");
$this->redirect(array('action' => 'search', 'query' => $query));
}
$this->paginate['SearchIndex'] = array('limit' => 10, 'conditions' => array('query' => $parsed_query), 'highlight' => true);
$this->set('tutorials', $this->paginate($this->Tutorial->SearchIndex));
} else {
$this->paginate = array('published', 'limit' => 10, 'order' => 'Tutorial.title ASC', 'conditions' => array('in_index' => true), 'contain' => array('Tag'));
$this->set('tutorials', $this->paginate($this->Tutorial));
}
$this->layout = 'institution';
$results_context = array('model' => '', 'key' => '', 'id' => 0, 'name' => '');
$this->set(compact('results_context'));
$this->set('learningGoals', $this->Tutorial->LearningGoal->find('list'));
$this->set('resourceTypes', $this->Tutorial->ResourceType->find('list'));
}
