allow vendord

vendor/google/auth/src/Cache/MemoryCacheItemPool.php

@@ -0,0 +1,182 @@
+<?php
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Google\Auth\Cache;
+
+use Psr\Cache\CacheItemInterface;
+use Psr\Cache\CacheItemPoolInterface;
+
+/**
+ * Simple in-memory cache implementation.
+ */
+final class MemoryCacheItemPool implements CacheItemPoolInterface
+{
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $items;
+
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $deferredItems;
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return CacheItemInterface The corresponding Cache Item.
+     */
+    public function getItem($key): CacheItemInterface
+    {
+        return current($this->getItems([$key]));  // @phpstan-ignore-line
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return iterable<CacheItemInterface>
+     *   A traversable collection of Cache Items keyed by the cache keys of
+     *   each item. A Cache item will be returned for each key, even if that
+     *   key is not found. However, if no keys are specified then an empty
+     *   traversable MUST be returned instead.
+     */
+    public function getItems(array $keys = []): iterable
+    {
+        $items = [];
+        foreach ($keys as $key) {
+            $items[$key] = $this->hasItem($key) ? clone $this->items[$key] : new TypedItem($key);
+        }
+
+        return $items;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if item exists in the cache, false otherwise.
+     */
+    public function hasItem($key): bool
+    {
+        $this->isValidKey($key);
+
+        return isset($this->items[$key]) && $this->items[$key]->isHit();
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if the pool was successfully cleared. False if there was an error.
+     */
+    public function clear(): bool
+    {
+        $this->items = [];
+        $this->deferredItems = [];
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if the item was successfully removed. False if there was an error.
+     */
+    public function deleteItem($key): bool
+    {
+        return $this->deleteItems([$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if the items were successfully removed. False if there was an error.
+     */
+    public function deleteItems(array $keys): bool
+    {
+        array_walk($keys, [$this, 'isValidKey']);
+
+        foreach ($keys as $key) {
+            unset($this->items[$key]);
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if the item was successfully persisted. False if there was an error.
+     */
+    public function save(CacheItemInterface $item): bool
+    {
+        $this->items[$item->getKey()] = $item;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   False if the item could not be queued or if a commit was attempted and failed. True otherwise.
+     */
+    public function saveDeferred(CacheItemInterface $item): bool
+    {
+        $this->deferredItems[$item->getKey()] = $item;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     *   True if all not-yet-saved items were successfully saved or there were none. False otherwise.
+     */
+    public function commit(): bool
+    {
+        foreach ($this->deferredItems as $item) {
+            $this->save($item);
+        }
+
+        $this->deferredItems = [];
+
+        return true;
+    }
+
+    /**
+     * Determines if the provided key is valid.
+     *
+     * @param string $key
+     * @return bool
+     * @throws InvalidArgumentException
+     */
+    private function isValidKey($key)
+    {
+        $invalidCharacters = '{}()/\\\\@:';
+
+        if (!is_string($key) || preg_match("#[$invalidCharacters]#", $key)) {
+            throw new InvalidArgumentException('The provided key is not valid: ' . var_export($key, true));
+        }
+
+        return true;
+    }
+}