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	diff --git a/src/applications/search/engine/PhabricatorSearchEngineElastic.php b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
	index 4960a307e9..44bf71beb9 100644
	--- a/src/applications/search/engine/PhabricatorSearchEngineElastic.php
	+++ b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
	@@ -1,268 +1,268 @@
	<?php

	final class PhabricatorSearchEngineElastic extends PhabricatorSearchEngine {
	private $uri;
	private $index;
	private $timeout;

	public function __construct($uri, $index) {
	$this->uri = $uri;
	$this->index = $index;
	}

	public function setTimeout($timeout) {
	$this->timeout = $timeout;
	return $this;
	}

	public function getTimeout() {
	return $this->timeout;
	}

	public function reindexAbstractDocument(
	PhabricatorSearchAbstractDocument $doc) {

	$type = $doc->getDocumentType();
	$phid = $doc->getPHID();
	$handle = id(new PhabricatorHandleQuery())
	->setViewer(PhabricatorUser::getOmnipotentUser())
	->withPHIDs(array($phid))
	->executeOne();

	// URL is not used internally but it can be useful externally.
	$spec = array(
	'title' => $doc->getDocumentTitle(),
	'url' => PhabricatorEnv::getProductionURI($handle->getURI()),
	'dateCreated' => $doc->getDocumentCreated(),
	'_timestamp' => $doc->getDocumentModified(),
	'field' => array(),
	'relationship' => array(),
	);

	foreach ($doc->getFieldData() as $field) {
	$spec['field'][] = array_combine(array('type', 'corpus', 'aux'), $field);
	}

	foreach ($doc->getRelationshipData() as $relationship) {
	list($rtype, $to_phid, $to_type, $time) = $relationship;
	$spec['relationship'][$rtype][] = array(
	'phid' => $to_phid,
	'phidType' => $to_type,
	'when' => $time,
	);
	}

	$this->executeRequest(
	"/{$type}/{$phid}/",
	$spec,
	$is_write = true);
	}

	public function reconstructDocument($phid) {
	$type = phid_get_type($phid);

	$response = $this->executeRequest("/{$type}/{$phid}", array());

	if (empty($response['exists'])) {
	return null;
	}

	$hit = $response['_source'];

	$doc = new PhabricatorSearchAbstractDocument();
	$doc->setPHID($phid);
	$doc->setDocumentType($response['_type']);
	$doc->setDocumentTitle($hit['title']);
	$doc->setDocumentCreated($hit['dateCreated']);
	$doc->setDocumentModified($hit['_timestamp']);

	foreach ($hit['field'] as $fdef) {
	$doc->addField($fdef['type'], $fdef['corpus'], $fdef['aux']);
	}

	foreach ($hit['relationship'] as $rtype => $rships) {
	foreach ($rships as $rship) {
	$doc->addRelationship(
	$rtype,
	$rship['phid'],
	$rship['phidType'],
	$rship['when']);
	}
	}

	return $doc;
	}

	private function buildSpec(PhabricatorSavedQuery $query) {
	$spec = array();
	$filter = array();

	if (strlen($query->getParameter('query'))) {
	$spec[] = array(
	'match' => array(
	'field.corpus' => array(
	'operator' => 'and',
	'query' => $query->getParameter('query'),
	),
	),
	);
	}

	$exclude = $query->getParameter('exclude');
	if ($exclude) {
	$filter[] = array(
	'not' => array(
	'ids' => array(
	'values' => array($exclude),
	),
	),
	);
	}

	$relationship_map = array(
	PhabricatorSearchRelationship::RELATIONSHIP_AUTHOR =>
	$query->getParameter('authorPHIDs', array()),
	PhabricatorSearchRelationship::RELATIONSHIP_OWNER =>
	$query->getParameter('ownerPHIDs', array()),
	PhabricatorSearchRelationship::RELATIONSHIP_SUBSCRIBER =>
	$query->getParameter('subscriberPHIDs', array()),
	PhabricatorSearchRelationship::RELATIONSHIP_PROJECT =>
	$query->getParameter('projectPHIDs', array()),
	PhabricatorSearchRelationship::RELATIONSHIP_REPOSITORY =>
	$query->getParameter('repositoryPHIDs', array()),
	);

	$statuses = $query->getParameter('statuses', array());
	$statuses = array_fuse($statuses);

	$rel_open = PhabricatorSearchRelationship::RELATIONSHIP_OPEN;
	$rel_closed = PhabricatorSearchRelationship::RELATIONSHIP_CLOSED;
	$rel_unowned = PhabricatorSearchRelationship::RELATIONSHIP_UNOWNED;

	$include_open = !empty($statuses[$rel_open]);
	$include_closed = !empty($statuses[$rel_closed]);

	if ($include_open && !$include_closed) {
	$relationship_map[$rel_open] = true;
	} else if (!$include_open && $include_closed) {
	$relationship_map[$rel_closed] = true;
	}

	if ($query->getParameter('withUnowned')) {
	$relationship_map[$rel_unowned] = true;
	}

	foreach ($relationship_map as $field => $param) {
	if (is_array($param) && $param) {
	$should = array();
	foreach ($param as $val) {
	$should[] = array(
	'match' => array(
	"relationship.{$field}.phid" => array(
	'query' => $val,
	'type' => 'phrase',
	),
	),
	);
	}
	// We couldn't solve it by minimum_number_should_match because it can
	// match multiple owners without matching author.
	$spec[] = array('bool' => array('should' => $should));
	} else if ($param) {
	$filter[] = array(
	'exists' => array(
	'field' => "relationship.{$field}.phid",
	),
	);
	}
	}

	if ($spec) {
	$spec = array('query' => array('bool' => array('must' => $spec)));
	}

	if ($filter) {
	$filter = array('filter' => array('and' => $filter));
	if (!$spec) {
	$spec = array('query' => array('match_all' => new stdClass()));
	}
	$spec = array(
	'query' => array(
	'filtered' => $spec + $filter,
	),
	);
	}

	if (!$query->getParameter('query')) {
	$spec['sort'] = array(
	array('dateCreated' => 'desc'),
	);
	}

	$spec['from'] = (int)$query->getParameter('offset', 0);
	$spec['size'] = (int)$query->getParameter('limit', 25);

	return $spec;
	}

	public function executeSearch(PhabricatorSavedQuery $query) {
	$types = $query->getParameter('types');
	if (!$types) {
	$types = array_keys(
	PhabricatorSearchApplicationSearchEngine::getIndexableDocumentTypes());
	}

	// Don't use '/_search' for the case that there is something
	// else in the index (for example if 'phabricator' is only an alias to
	// some bigger index). Use '/$types/_search' instead.
	$uri = '/'.implode(',', $types).'/_search';

	try {
	$response = $this->executeRequest($uri, $this->buildSpec($query));
	- } catch (HTTPFutureResponseStatusHTTP $ex) {
	+ } catch (HTTPFutureHTTPResponseStatus $ex) {
	// elasticsearch probably uses Lucene query syntax:
	// http://lucene.apache.org/core/3_6_1/queryparsersyntax.html
	// Try literal search if operator search fails.
	if (!strlen($query->getParameter('query'))) {
	throw $ex;
	}
	$query = clone $query;
	$query->setParameter(
	'query',
	addcslashes(
	$query->getParameter('query'), '+-&\|!(){}[]^"~*?:\\'));
	$response = $this->executeRequest($uri, $this->buildSpec($query));
	}

	$phids = ipull($response['hits']['hits'], '_id');
	return $phids;
	}

	private function executeRequest($path, array $data, $is_write = false) {
	$uri = new PhutilURI($this->uri);
	$uri->setPath($this->index);
	$uri->appendPath($path);
	$data = json_encode($data);

	$future = new HTTPSFuture($uri, $data);
	if ($is_write) {
	$future->setMethod('PUT');
	}
	if ($this->getTimeout()) {
	$future->setTimeout($this->getTimeout());
	}
	list($body) = $future->resolvex();

	if ($is_write) {
	return null;
	}

	$body = json_decode($body, true);
	if (!is_array($body)) {
	throw new Exception('elasticsearch server returned invalid JSON!');
	}

	return $body;
	}

	}

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