T16713 gc iterable

CHANGELOG-5.0.md

@@ -24,6 +24,7 @@
 - Fixed `Phalcon\Di\Injectable` to reference the correct instance of `Phalcon\Di\Di` in the docblock property [#16634](https://github.com/phalcon/cphalcon/issues/16634)
 - Fixed `Phalcon\Filter\Filter` to have the correct docblock for IDE completion
 - Fixed `Phalcon\Mvc\Model\Query` to use the lifetime in the "cache" service if none has been supplied by the options [#16696](https://github.com/phalcon/cphalcon/issues/16696)
+- Fixed `Phalcon\Session\Adapter\Stream::gc()` to throw an exception if something is wrong with `glob()` [#16713](https://github.com/phalcon/cphalcon/issues/16713)
 
 ### Removed
 

phalcon/Session/Adapter/Stream.zep

@@ -95,16 +95,29 @@ class Stream extends Noop
      */
     public function gc(int max_lifetime) -> int|false
     {
-        var file, pattern, time;
+        var file, glob, last, pattern, time;
 
         let pattern = this->path . this->prefix . "*",
-            time    = time() - max_lifetime;
+            time    = time() - max_lifetime,
+            glob    = this->getGlobFiles(pattern);
+
+        if (false === glob) {
+            let last = error_get_last();
+            if (isset(last["message"])) {
+                let last = last["message"];
+            } else {
+                let last = "Unexpected gc error";
+            }
+            throw new Exception(last);
+        }
 
-        for file in glob(pattern) {
-            if true === file_exists(file) &&
-               true === is_file(file)     &&
-               (filemtime(file) < time) {
-                unlink(file);
+        if (!empty(glob)) {
+            for file in glob {
+                if true === file_exists(file) &&
+                   true === is_file(file)     &&
+                   (filemtime(file) < time) {
+                    unlink(file);
+                }
             }
         }
 
@@ -184,6 +197,26 @@ class Stream extends Noop
         return rtrim(directory, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
     }
 
+
+    /**
+     * Gets the glob array or returns false on failure
+     *
+     * @param string $pattern
+     *
+     * @return array|false
+     */
+    protected function getGlobFiles(string pattern) -> array | false
+    {
+        var errorLevel, glob;
+
+        let errorLevel = error_reporting(0);
+        error_clear_last();
+        let glob = glob(pattern);
+        error_reporting(errorLevel);
+
+        return glob;
+    }
+
     /**
      * @param string $filename
      *
@@ -268,4 +301,5 @@ class Stream extends Noop
     {
         return is_writable(filename);
     }
+
 }

tests/_data/fixtures/Session/Adapter/StreamGlobFixture.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * This file is part of the Phalcon Framework.
+ *
+ * (c) Phalcon Team <team@phalcon.io>
+ *
+ * For the full copyright and license information, please view the LICENSE.txt
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Phalcon\Tests\Fixtures\Session\Adapter;
+
+use Phalcon\Session\Adapter\Stream;
+
+class StreamGlobFixture extends Stream
+{
+    /**
+     * Gets the glob array or returns false on failure
+     *
+     * @param string $pattern
+     *
+     * @return array|false
+     */
+    protected function getGlobFiles(string $pattern): array | false
+    {
+        return false;
+    }
+}

tests/integration/Session/Adapter/Stream/GcCest.php

@@ -14,10 +14,13 @@
 namespace Phalcon\Tests\Integration\Session\Adapter\Stream;
 
 use IntegrationTester;
+use Phalcon\Session\Exception;
+use Phalcon\Tests\Fixtures\Session\Adapter\StreamGlobFixture;
 use Phalcon\Tests\Fixtures\Traits\DiTrait;
 
 use function cacheDir;
 use function file_put_contents;
+use function getOptionsSessionStream;
 use function sleep;
 use function uniqid;
 
@@ -59,4 +62,24 @@ public function sessionAdapterStreamGc(IntegrationTester $I)
         $I->dontSeeFileFound('gc_1', cacheDir('sessions'));
         $I->dontSeeFileFound('gc_2', cacheDir('sessions'));
     }
+    /**
+     * Tests Phalcon\Session\Adapter\Stream :: gc() -
+     * glob() false returns exception
+     *
+     * @return void
+     *
+     * @author Phalcon Team <team@phalcon.io>
+     * @since  2020-09-09
+     */
+    public function testSessionAdapterStreamGcGlobThrowsException(IntegrationTester $I): void
+    {
+        $I->expectThrowable(
+            new Exception('Unexpected gc error'),
+            function () {
+                $adapter = new StreamGlobFixture(getOptionsSessionStream());
+
+                $actual = $adapter->gc(1);
+            }
+        );
+    }
 }