phpmyadmin working

1 files changed, 325 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/MemcachedTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/MemcachedTrait.php
new file mode 100644
index 0000000..070eb0e
--- /dev/null
+++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/MemcachedTrait.php
@@ -0,0 +1,325 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+use Symfony\Component\Cache\Exception\CacheException;
+use Symfony\Component\Cache\Exception\InvalidArgumentException;
+use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
+use Symfony\Component\Cache\Marshaller\MarshallerInterface;
+
+/**
+ * @author Rob Frawley 2nd <rmf@src.run>
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+trait MemcachedTrait
+{
+    private static $defaultClientOptions = [
+        'persistent_id' => null,
+        'username' => null,
+        'password' => null,
+        \Memcached::OPT_SERIALIZER => \Memcached::SERIALIZER_PHP,
+    ];
+
+    private $marshaller;
+    private $client;
+    private $lazyClient;
+
+    public static function isSupported()
+    {
+        return \extension_loaded('memcached') && version_compare(phpversion('memcached'), '2.2.0', '>=');
+    }
+
+    private function init(\Memcached $client, string $namespace, int $defaultLifetime, ?MarshallerInterface $marshaller)
+    {
+        if (!static::isSupported()) {
+            throw new CacheException('Memcached >= 2.2.0 is required');
+        }
+        if ('Memcached' === \get_class($client)) {
+            $opt = $client->getOption(\Memcached::OPT_SERIALIZER);
+            if (\Memcached::SERIALIZER_PHP !== $opt && \Memcached::SERIALIZER_IGBINARY !== $opt) {
+                throw new CacheException('MemcachedAdapter: "serializer" option must be "php" or "igbinary".');
+            }
+            $this->maxIdLength -= \strlen($client->getOption(\Memcached::OPT_PREFIX_KEY));
+            $this->client = $client;
+        } else {
+            $this->lazyClient = $client;
+        }
+
+        parent::__construct($namespace, $defaultLifetime);
+        $this->enableVersioning();
+        $this->marshaller = $marshaller ?? new DefaultMarshaller();
+    }
+
+    /**
+     * Creates a Memcached instance.
+     *
+     * By default, the binary protocol, no block, and libketama compatible options are enabled.
+     *
+     * Examples for servers:
+     * - 'memcached://user:pass@localhost?weight=33'
+     * - [['localhost', 11211, 33]]
+     *
+     * @param array[]|string|string[] $servers An array of servers, a DSN, or an array of DSNs
+     *
+     * @return \Memcached
+     *
+     * @throws \ErrorException When invalid options or servers are provided
+     */
+    public static function createConnection($servers, array $options = [])
+    {
+        if (\is_string($servers)) {
+            $servers = [$servers];
+        } elseif (!\is_array($servers)) {
+            throw new InvalidArgumentException(sprintf('MemcachedAdapter::createClient() expects array or string as first argument, %s given.', \gettype($servers)));
+        }
+        if (!static::isSupported()) {
+            throw new CacheException('Memcached >= 2.2.0 is required');
+        }
+        set_error_handler(function ($type, $msg, $file, $line) { throw new \ErrorException($msg, 0, $type, $file, $line); });
+        try {
+            $options += static::$defaultClientOptions;
+            $client = new \Memcached($options['persistent_id']);
+            $username = $options['username'];
+            $password = $options['password'];
+
+            // parse any DSN in $servers
+            foreach ($servers as $i => $dsn) {
+                if (\is_array($dsn)) {
+                    continue;
+                }
+                if (0 !== strpos($dsn, 'memcached:')) {
+                    throw new InvalidArgumentException(sprintf('Invalid Memcached DSN: %s does not start with "memcached:"', $dsn));
+                }
+                $params = preg_replace_callback('#^memcached:(//)?(?:([^@]*+)@)?#', function ($m) use (&$username, &$password) {
+                    if (!empty($m[2])) {
+                        list($username, $password) = explode(':', $m[2], 2) + [1 => null];
+                    }
+
+                    return 'file:'.($m[1] ?? '');
+                }, $dsn);
+                if (false === $params = parse_url($params)) {
+                    throw new InvalidArgumentException(sprintf('Invalid Memcached DSN: %s', $dsn));
+                }
+                $query = $hosts = [];
+                if (isset($params['query'])) {
+                    parse_str($params['query'], $query);
+
+                    if (isset($query['host'])) {
+                        if (!\is_array($hosts = $query['host'])) {
+                            throw new InvalidArgumentException(sprintf('Invalid Memcached DSN: %s', $dsn));
+                        }
+                        foreach ($hosts as $host => $weight) {
+                            if (false === $port = strrpos($host, ':')) {
+                                $hosts[$host] = [$host, 11211, (int) $weight];
+                            } else {
+                                $hosts[$host] = [substr($host, 0, $port), (int) substr($host, 1 + $port), (int) $weight];
+                            }
+                        }
+                        $hosts = array_values($hosts);
+                        unset($query['host']);
+                    }
+                    if ($hosts && !isset($params['host']) && !isset($params['path'])) {
+                        unset($servers[$i]);
+                        $servers = array_merge($servers, $hosts);
+                        continue;
+                    }
+                }
+                if (!isset($params['host']) && !isset($params['path'])) {
+                    throw new InvalidArgumentException(sprintf('Invalid Memcached DSN: %s', $dsn));
+                }
+                if (isset($params['path']) && preg_match('#/(\d+)$#', $params['path'], $m)) {
+                    $params['weight'] = $m[1];
+                    $params['path'] = substr($params['path'], 0, -\strlen($m[0]));
+                }
+                $params += [
+                    'host' => isset($params['host']) ? $params['host'] : $params['path'],
+                    'port' => isset($params['host']) ? 11211 : null,
+                    'weight' => 0,
+                ];
+                if ($query) {
+                    $params += $query;
+                    $options = $query + $options;
+                }
+
+                $servers[$i] = [$params['host'], $params['port'], $params['weight']];
+
+                if ($hosts) {
+                    $servers = array_merge($servers, $hosts);
+                }
+            }
+
+            // set client's options
+            unset($options['persistent_id'], $options['username'], $options['password'], $options['weight'], $options['lazy']);
+            $options = array_change_key_case($options, CASE_UPPER);
+            $client->setOption(\Memcached::OPT_BINARY_PROTOCOL, true);
+            $client->setOption(\Memcached::OPT_NO_BLOCK, true);
+            $client->setOption(\Memcached::OPT_TCP_NODELAY, true);
+            if (!\array_key_exists('LIBKETAMA_COMPATIBLE', $options) && !\array_key_exists(\Memcached::OPT_LIBKETAMA_COMPATIBLE, $options)) {
+                $client->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true);
+            }
+            foreach ($options as $name => $value) {
+                if (\is_int($name)) {
+                    continue;
+                }
+                if ('HASH' === $name || 'SERIALIZER' === $name || 'DISTRIBUTION' === $name) {
+                    $value = \constant('Memcached::'.$name.'_'.strtoupper($value));
+                }
+                $opt = \constant('Memcached::OPT_'.$name);
+
+                unset($options[$name]);
+                $options[$opt] = $value;
+            }
+            $client->setOptions($options);
+
+            // set client's servers, taking care of persistent connections
+            if (!$client->isPristine()) {
+                $oldServers = [];
+                foreach ($client->getServerList() as $server) {
+                    $oldServers[] = [$server['host'], $server['port']];
+                }
+
+                $newServers = [];
+                foreach ($servers as $server) {
+                    if (1 < \count($server)) {
+                        $server = array_values($server);
+                        unset($server[2]);
+                        $server[1] = (int) $server[1];
+                    }
+                    $newServers[] = $server;
+                }
+
+                if ($oldServers !== $newServers) {
+                    $client->resetServerList();
+                    $client->addServers($servers);
+                }
+            } else {
+                $client->addServers($servers);
+            }
+
+            if (null !== $username || null !== $password) {
+                if (!method_exists($client, 'setSaslAuthData')) {
+                    trigger_error('Missing SASL support: the memcached extension must be compiled with --enable-memcached-sasl.');
+                }
+                $client->setSaslAuthData($username, $password);
+            }
+
+            return $client;
+        } finally {
+            restore_error_handler();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave(array $values, $lifetime)
+    {
+        if (!$values = $this->marshaller->marshall($values, $failed)) {
+            return $failed;
+        }
+
+        if ($lifetime && $lifetime > 30 * 86400) {
+            $lifetime += time();
+        }
+
+        $encodedValues = [];
+        foreach ($values as $key => $value) {
+            $encodedValues[rawurlencode($key)] = $value;
+        }
+
+        return $this->checkResultCode($this->getClient()->setMulti($encodedValues, $lifetime)) ? $failed : false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch(array $ids)
+    {
+        try {
+            $encodedIds = array_map('rawurlencode', $ids);
+
+            $encodedResult = $this->checkResultCode($this->getClient()->getMulti($encodedIds));
+
+            $result = [];
+            foreach ($encodedResult as $key => $value) {
+                $result[rawurldecode($key)] = $this->marshaller->unmarshall($value);
+            }
+
+            return $result;
+        } catch (\Error $e) {
+            throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine());
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doHave($id)
+    {
+        return false !== $this->getClient()->get(rawurlencode($id)) || $this->checkResultCode(\Memcached::RES_SUCCESS === $this->client->getResultCode());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDelete(array $ids)
+    {
+        $ok = true;
+        $encodedIds = array_map('rawurlencode', $ids);
+        foreach ($this->checkResultCode($this->getClient()->deleteMulti($encodedIds)) as $result) {
+            if (\Memcached::RES_SUCCESS !== $result && \Memcached::RES_NOTFOUND !== $result) {
+                $ok = false;
+                break;
+            }
+        }
+
+        return $ok;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doClear($namespace)
+    {
+        return '' === $namespace && $this->getClient()->flush();
+    }
+
+    private function checkResultCode($result)
+    {
+        $code = $this->client->getResultCode();
+
+        if (\Memcached::RES_SUCCESS === $code || \Memcached::RES_NOTFOUND === $code) {
+            return $result;
+        }
+
+        throw new CacheException(sprintf('MemcachedAdapter client error: %s.', strtolower($this->client->getResultMessage())));
+    }
+
+    private function getClient(): \Memcached
+    {
+        if ($this->client) {
+            return $this->client;
+        }
+
+        $opt = $this->lazyClient->getOption(\Memcached::OPT_SERIALIZER);
+        if (\Memcached::SERIALIZER_PHP !== $opt && \Memcached::SERIALIZER_IGBINARY !== $opt) {
+            throw new CacheException('MemcachedAdapter: "serializer" option must be "php" or "igbinary".');
+        }
+        if ('' !== $prefix = (string) $this->lazyClient->getOption(\Memcached::OPT_PREFIX_KEY)) {
+            throw new CacheException(sprintf('MemcachedAdapter: "prefix_key" option must be empty when using proxified connections, "%s" given.', $prefix));
+        }
+
+        return $this->client = $this->lazyClient;
+    }
+}