fix cachjail searching for root

Signed-off-by: Robin Appelman <robin@icewind.nl>

Author: icewind1991

lib/private/Files/Cache/QuerySearchHelper.php

@@ -166,6 +166,9 @@ private function getOperatorFieldAndValue(ISearchComparison $operator) {
 			$field = 'tag.category';
 		} elseif ($field === 'fileid') {
 			$field = 'file.fileid';
+		} elseif ($field === 'path' && $type === ISearchComparison::COMPARE_EQUAL) {
+			$field = 'path_hash';
+			$value = md5((string)$value);
 		}
 		return [$field, $value, $type];
 	}

lib/private/Files/Cache/Wrapper/CacheJail.php

@@ -238,7 +238,10 @@ public function search($pattern) {
 		$query = $this->getQueryBuilder();
 		$query->selectFileCache()
 			->whereStorageId()
-			->andWhere($query->expr()->like('path', $query->createNamedParameter($this->getRoot() . '/%')))
+			->andWhere($query->expr()->orX(
+				$query->expr()->like('path', $query->createNamedParameter($this->getRoot() . '/%')),
+				$query->expr()->eq('path_hash', $query->createNamedParameter(md5($this->getRoot()))),
+			))
 			->andWhere($query->expr()->iLike('name', $query->createNamedParameter($pattern)));
 
 		$result = $query->execute();
@@ -263,7 +266,10 @@ public function searchByMime($mimetype) {
 		$query = $this->getQueryBuilder();
 		$query->selectFileCache()
 			->whereStorageId()
-			->andWhere($query->expr()->like('path', $query->createNamedParameter($this->getRoot() . '/%')));
+			->andWhere($query->expr()->orX(
+				$query->expr()->like('path', $query->createNamedParameter($this->getRoot() . '/%')),
+				$query->expr()->eq('path_hash', $query->createNamedParameter(md5($this->getRoot()))),
+			));
 
 		if (strpos($mimetype, '/')) {
 			$query->andWhere($query->expr()->eq('mimetype', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
@@ -287,9 +293,14 @@ public function searchQuery(ISearchQuery $query) {
 			'path',
 			$this->getRoot() . '/%'
 		);
+		$rootFilter = new SearchComparison(
+			ISearchComparison::COMPARE_EQUAL,
+			'path',
+			$this->getRoot()
+		);
 		$operation = new SearchBinaryOperator(
 			ISearchBinaryOperator::OPERATOR_AND,
-			[$prefixFilter, $query->getSearchOperation()]
+			[new SearchBinaryOperator(ISearchBinaryOperator::OPERATOR_OR, [$prefixFilter, $rootFilter]) , $query->getSearchOperation()]
 		);
 		$simpleQuery = new SearchQuery($operation, 0, 0, $query->getOrder(), $query->getUser());
 		$results = $this->getCache()->searchQuery($simpleQuery);

tests/lib/Files/Cache/Wrapper/CacheJailTest.php

@@ -32,6 +32,7 @@ class CacheJailTest extends CacheTest {
 	protected function setUp(): void {
 		parent::setUp();
 		$this->storage->mkdir('foo');
+		$this->storage->getScanner()->scan('');
 		$this->sourceCache = $this->cache;
 		$this->cache = new \OC\Files\Cache\Wrapper\CacheJail($this->sourceCache, 'foo');
 	}
@@ -49,6 +50,11 @@ public function testSearchOutsideJail() {
 		$result = $this->cache->search('%foobar%');
 		$this->assertCount(1, $result);
 		$this->assertEquals('foobar', $result[0]['path']);
+
+		$result = $this->cache->search('%foo%');
+		$this->assertCount(2, $result);
+		$this->assertEquals('', $result[0]['path']);
+		$this->assertEquals('foobar', $result[1]['path']);
 	}
 
 	public function testSearchMimeOutsideJail() {
@@ -76,11 +82,15 @@ public function testSearchQueryOutsideJail() {
 
 		$user = new User('foo', null, $this->createMock(EventDispatcherInterface::class));
 		$query = new SearchQuery(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'name', 'foobar'), 10, 0, [], $user);
-		$this->assertCount(2, $this->sourceCache->searchQuery($query));
+		$result = $this->cache->searchQuery($query);
 
-		$result = $this->cache->search('%foobar%');
 		$this->assertCount(1, $result);
 		$this->assertEquals('foobar', $result[0]['path']);
+
+		$query = new SearchQuery(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'name', 'foo'), 10, 0, [], $user);
+		$result = $this->cache->searchQuery($query);
+		$this->assertCount(1, $result);
+		$this->assertEquals('', $result[0]['path']);
 	}
 
 	public function testClearKeepEntriesOutsideJail() {