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Give unfiltered upload ability to super admins. fixes #41.

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commit e0c2af3602c18b9a67b17702d578f038eb8907af 1 parent 8cfbb89
@nacin nacin authored
Showing with 352 additions and 0 deletions.
  1. +352 −0 object-cache-disabled.php
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352 object-cache-disabled.php
@@ -0,0 +1,352 @@
+<?php
+
+/*
+Plugin Name: APC Object Cache
+Description: APC backend for the WP Object Cache.
+Version: 2.0.3
+URI: http://txfx.net/wordpress-plugins/apc/
+Author: Mark Jaquith
+Author URI: http://coveredwebservices.com/
+
+Install this file to wp-content/object-cache.php
+
+Based on Ryan Boren's Memcached object cache backend
+http://wordpress.org/extend/plugins/memcached/
+
+*/
+
+if ( !function_exists( 'apc_fetch' ) ) {
+ wp_die( 'You do not have APC installed, so you cannot use the APC object cache backend. Please remove the <code>object-cache.php</code> file from your content directory.' );
+} elseif ( version_compare( '5.2.4', phpversion(), '>=' ) ) {
+ wp_die( 'The APC object cache backend requires PHP 5.2 or higher. You are running ' . phpversion() . '. Please remove the <code>object-cache.php</code> file from your content directory.' );
+}
+
+// Users with setups where multiple installs share a common wp-config.php can use this
+// to guarantee uniqueness for the keys generated by this object cache
+if ( !defined( 'WP_APC_KEY_SALT' ) )
+ define( 'WP_APC_KEY_SALT', 'wp' );
+
+function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->add( $key, $data, $group, $expire );
+}
+
+function wp_cache_incr( $key, $n = 1, $group = '' ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->incr2( $key, $n, $group );
+}
+
+function wp_cache_decr( $key, $n = 1, $group = '' ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->decr( $key, $n, $group );
+}
+
+function wp_cache_close() {
+ return true;
+}
+
+function wp_cache_delete( $key, $group = '' ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->delete( $key, $group );
+}
+
+function wp_cache_flush() {
+ global $wp_object_cache;
+
+ return $wp_object_cache->flush();
+}
+
+function wp_cache_get( $key, $group = '', $force = false ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->get( $key, $group, $force );
+}
+
+function wp_cache_init() {
+ global $wp_object_cache;
+
+ $wp_object_cache = new APC_Object_Cache();
+}
+
+function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) {
+ global $wp_object_cache;
+
+ return $wp_object_cache->replace( $key, $data, $group, $expire );
+}
+
+function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
+ global $wp_object_cache;
+
+ if ( defined('WP_INSTALLING') == false )
+ return $wp_object_cache->set( $key, $data, $group, $expire );
+ else
+ return $wp_object_cache->delete( $key, $group );
+}
+
+function wp_cache_add_global_groups( $groups ) {
+ global $wp_object_cache;
+
+ $wp_object_cache->add_global_groups( $groups );
+}
+
+function wp_cache_add_non_persistent_groups( $groups ) {
+ global $wp_object_cache;
+
+ $wp_object_cache->add_non_persistent_groups( $groups );
+}
+
+class WP_Object_Cache {
+ var $global_groups = array();
+
+ var $no_mc_groups = array();
+
+ var $cache = array();
+ var $stats = array( 'get' => 0, 'delete' => 0, 'add' => 0 );
+ var $group_ops = array();
+
+ var $cache_enabled = true;
+ var $default_expiration = 0;
+ var $abspath = '';
+ var $debug = false;
+
+ function add( $id, $data, $group = 'default', $expire = 0 ) {
+ $key = $this->key( $id, $group );
+
+ if ( is_object( $data ) )
+ $data = clone $data;
+
+ $store_data = $data;
+
+ if ( is_array( $data ) )
+ $store_data = new ArrayObject( $data );
+
+ if ( in_array( $group, $this->no_mc_groups ) ) {
+ $this->cache[$key] = $data;
+ return true;
+ } elseif ( isset( $this->cache[$key] ) && $this->cache[$key] !== false ) {
+ return false;
+ }
+
+ $expire = ( $expire == 0 ) ? $this->default_expiration : $expire;
+
+ $result = apc_add( $key, $store_data, $expire );
+ if ( false !== $result ) {
+ @ ++$this->stats['add'];
+ $this->group_ops[$group][] = "add $id";
+ $this->cache[$key] = $data;
+ }
+
+ return $result;
+ }
+
+ function add_global_groups( $groups ) {
+ if ( !is_array( $groups ) )
+ $groups = (array) $groups;
+
+ $this->global_groups = array_merge( $this->global_groups, $groups );
+ $this->global_groups = array_unique( $this->global_groups );
+ }
+
+ function add_non_persistent_groups( $groups ) {
+ if ( !is_array( $groups ) )
+ $groups = (array) $groups;
+
+ $this->no_mc_groups = array_merge( $this->no_mc_groups, $groups );
+ $this->no_mc_groups = array_unique( $this->no_mc_groups );
+ }
+
+ // This is named incr2 because Batcache looks for incr
+ // We will define that in a class extension if it is available (APC 3.1.1 or higher)
+ function incr2( $id, $n = 1, $group = 'default' ) {
+ $key = $this->key( $id, $group );
+ if ( function_exists( 'apc_inc' ) )
+ return apc_inc( $key, $n );
+ else
+ return false;
+ }
+
+ function decr( $id, $n = 1, $group = 'default' ) {
+ $key = $this->key( $id, $group );
+ if ( function_exists( 'apc_dec' ) )
+ return apc_dec( $id, $n );
+ else
+ return false;
+ }
+
+ function close() {
+ return true;
+ }
+
+ function delete( $id, $group = 'default' ) {
+ $key = $this->key( $id, $group );
+
+ if ( in_array( $group, $this->no_mc_groups ) ) {
+ unset( $this->cache[$key] );
+ return true;
+ }
+
+ $result = apc_delete( $key );
+
+ @ ++$this->stats['delete'];
+ $this->group_ops[$group][] = "delete $id";
+
+ if ( false !== $result )
+ unset( $this->cache[$key] );
+
+ return $result;
+ }
+
+ function flush() {
+ // Don't flush if multi-blog.
+ if ( function_exists( 'is_site_admin' ) || defined( 'CUSTOM_USER_TABLE' ) && defined( 'CUSTOM_USER_META_TABLE' ) )
+ return true;
+
+ return apc_clear_cache( 'user' );
+ }
+
+ function get($id, $group = 'default', $force = false) {
+ $key = $this->key($id, $group);
+
+ if ( isset($this->cache[$key]) && ( !$force || in_array($group, $this->no_mc_groups) ) ) {
+ if ( is_object( $this->cache[$key] ) )
+ $value = clone $this->cache[$key];
+ else
+ $value = $this->cache[$key];
+ } else if ( in_array($group, $this->no_mc_groups) ) {
+ $this->cache[$key] = $value = false;
+ } else {
+ $value = apc_fetch( $key );
+ if ( is_object( $value ) && 'ArrayObject' == get_class( $value ) )
+ $value = $value->getArrayCopy();
+ if ( NULL === $value )
+ $value = false;
+ $this->cache[$key] = $value;
+ }
+
+ @ ++$this->stats['get'];
+ $this->group_ops[$group][] = "get $id";
+
+ if ( 'checkthedatabaseplease' === $value ) {
+ unset( $this->cache[$key] );
+ $value = false;
+ }
+
+ return $value;
+ }
+
+ function key( $key, $group ) {
+ if ( empty( $group ) )
+ $group = 'default';
+
+ if ( false !== array_search( $group, $this->global_groups ) )
+ $prefix = $this->global_prefix;
+ else
+ $prefix = $this->blog_prefix;
+
+ return WP_APC_KEY_SALT . ':' . $this->abspath . ":$prefix$group:$key";
+ }
+
+ function replace( $id, $data, $group = 'default', $expire = 0 ) {
+ return $this->set( $id, $data, $group, $expire );
+ }
+
+ function set( $id, $data, $group = 'default', $expire = 0 ) {
+ $key = $this->key( $id, $group );
+ if ( isset( $this->cache[$key] ) && ('checkthedatabaseplease' === $this->cache[$key] ) )
+ return false;
+
+ if ( is_object( $data ) )
+ $data = clone $data;
+
+ $store_data = $data;
+
+ if ( is_array( $data ) )
+ $store_data = new ArrayObject( $data );
+
+ $this->cache[$key] = $data;
+
+ if ( in_array( $group, $this->no_mc_groups ) )
+ return true;
+
+ $expire = ( $expire == 0 ) ? $this->default_expiration : $expire;
+ $result = apc_store( $key, $store_data, $expire );
+
+ return $result;
+ }
+
+ function colorize_debug_line( $line ) {
+ $colors = array(
+ 'get' => 'green',
+ 'set' => 'purple',
+ 'add' => 'blue',
+ 'delete' => 'red');
+
+ $cmd = substr( $line, 0, strpos( $line, ' ' ) );
+
+ $cmd2 = "<span style='color:{$colors[$cmd]}'>$cmd</span>";
+
+ return $cmd2 . substr( $line, strlen( $cmd ) ) . "\n";
+ }
+
+ function stats() {
+ echo "<p>\n";
+ foreach ( $this->stats as $stat => $n ) {
+ echo "<strong>$stat</strong> $n";
+ echo "<br/>\n";
+ }
+ echo "</p>\n";
+ echo "<h3>APC:</h3>";
+ foreach ( $this->group_ops as $group => $ops ) {
+ if ( !isset( $_GET['debug_queries'] ) && 500 < count( $ops ) ) {
+ $ops = array_slice( $ops, 0, 500 );
+ echo "<big>Too many to show! <a href='" . add_query_arg( 'debug_queries', 'true' ) . "'>Show them anyway</a>.</big>\n";
+ }
+ echo "<h4>$group commands</h4>";
+ echo "<pre>\n";
+ $lines = array();
+ foreach ( $ops as $op ) {
+ $lines[] = $this->colorize_debug_line($op);
+ }
+ print_r($lines);
+ echo "</pre>\n";
+ }
+ if ( $this->debug ) {
+ $apc_info = apc_cache_info();
+ echo "<p>";
+ echo "<strong>Cache Hits:</strong> {$apc_info['num_hits']}<br/>\n";
+ echo "<strong>Cache Misses:</strong> {$apc_info['num_misses']}\n";
+ echo "</p>\n";
+ }
+ }
+
+ function WP_Object_Cache() {
+ $this->abspath = md5( ABSPATH );
+
+ global $blog_id, $table_prefix;
+ $this->global_prefix = '';
+ $this->blog_prefix = '';
+ if ( function_exists( 'is_multisite' ) ) {
+ $this->global_prefix = ( is_multisite() || defined('CUSTOM_USER_TABLE') && defined('CUSTOM_USER_META_TABLE') ) ? '' : $table_prefix;
+ $this->blog_prefix = ( is_multisite() ? $blog_id : $table_prefix ) . ':';
+ }
+
+ $this->cache_hits =& $this->stats['get'];
+ $this->cache_misses =& $this->stats['add'];
+ }
+}
+
+if ( function_exists( 'apc_inc' ) ) {
+ class APC_Object_Cache extends WP_Object_Cache {
+ function incr( $id, $n = 1, $group = 'default' ) {
+ return parent::incr2( $id, $n, $group );
+ }
+ }
+} else {
+ class APC_Object_Cache extends WP_Object_Cache {
+ // Blank
+ }
+}
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