Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/cache/strategy/db.php

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * Concrete class for DB caching strategy.
+ *
+ * @instantiator new
+ * @author       Time.ly Network, Inc.
+ * @since        2.0
+ * @package      Ai1EC
+ * @subpackage   Ai1EC.Cache.Strategy
+ */
+class Ai1ec_Cache_Strategy_Db extends Ai1ec_Cache_Strategy {
+
+    /**
+     * @var Ai1ec_Option Instance of database adapter
+     */
+    private $model_option;
+
+    public function __construct( Ai1ec_Registry_Object $registry, Ai1ec_Option $option ) {
+        parent::__construct( $registry );
+        $this->model_option = $option;
+    }
+
+    /**
+     *
+     * @see Ai1ec_Get_Data_From_Cache::get_data()
+     *
+     */
+    public function get_data( $key ) {
+        $key  = $this->_key( $key );
+        $data = $this->model_option->get( $key );
+        if ( false === $data ) {
+            throw new Ai1ec_Cache_Not_Set_Exception(
+                'No data under \'' . $key . '\' present'
+            );
+        }
+        return maybe_unserialize( $data );
+    }
+
+    /**
+     *
+     * @see Ai1ec_Write_Data_To_Cache::write_data()
+     *
+     */
+    public function write_data( $key, $value ) {
+        $result = $this->model_option->set(
+            $this->_key( $key ),
+            maybe_serialize( $value )
+        );
+        if ( false === $result ) {
+            throw new Ai1ec_Cache_Write_Exception(
+                'An error occured while saving data to \'' . $key . '\''
+            );
+        }
+    }
+
+    /**
+     * (non-PHPdoc)
+     * @see Ai1ec_Write_Data_To_Cache::delete_data()
+     */
+    public function delete_data( $key ) {
+        return $this->model_option->delete(
+            $this->_key( $key )
+        );
+    }
+
+    /**
+     *
+     * @see Ai1ec_Write_Data_To_Cache::delete_matching()
+     */
+    public function delete_matching( $pattern ) {
+        $db = $this->_registry->get( 'dbi.dbi' );
+        $sql_query = $db->prepare(
+            'SELECT option_name FROM ' . $db->get_table_name( 'options' ) .
+            ' WHERE option_name LIKE %s',
+            '%%' . $pattern . '%%'
+        );
+        $keys = $db->get_col( $sql_query );
+        foreach ( $keys as $key ) {
+            $this->model_option->delete( $key );
+        }
+        return count( $keys );
+    }
+
+    /**
+     * _key method
+     *
+     * Get safe key name to use within options API
+     *
+     * @param string $key Key to sanitize
+     *
+     * @return string Safe to use key
+     */
+    protected function _key( $key ) {
+        if ( strlen( $key ) > 53 ) {
+            $hash = md5( $key );
+            $key  = substr( $key, 0, 16 ) . '_' . $hash;
+        }
+        return $key;
+    }
+
+}