petermolnar/wp-ffpc
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1.2 feature freeze - 1.2 alpha; tests to come

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This commit is contained in:
Peter Molnar 2013-06-18 09:57:31 +00:00
parent 6df781f630
commit c040f976be
4 changed files with 129 additions and 113 deletions
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3
wp-ffpc-acache.php
View file

@ -141,7 +141,8 @@ if ( array_key_exists( "HTTP_IF_MODIFIED_SINCE" , $_SERVER ) && !empty( $wp_ffpc
/*** SERVING CACHED PAGE ***/
/* if we reach this point it means data was found & correct, serve it */
if ( isset( $wp_ffpc_values['meta']['mime'] )) header('Content-Type: ' . $wp_ffpc_values['meta']['mime']);
if (!empty ( $wp_ffpc_values['meta']['mime'] ) )
header('Content-Type: ' . $wp_ffpc_values['meta']['mime']);
/* don't allow browser caching of page */
header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0');

38
wp-ffpc-backend.php
View file

@ -25,10 +25,15 @@ if (!class_exists('WP_FFPC_Backend')) {
/**
*
* @var string $plugin_constant Namespace of the plugin
* @var mixed $connection Backend object storage variable
* @var array $config Configuration settings array
* @var boolean $alive Backend aliveness indicator
* @var mixed $status Backend server status storage
* @var boolean $alive Alive flag of backend connection
* @var boolean $network WordPress Network flag
* @var array $options Configuration settings array
* @var array $status Backends status storage
* @var array $cookies Logged in cookies to search for
* @var array $urimap Map to render key with
* @var object $utilities Utilities singleton
*
*/
class WP_FFPC_Backend {
@ -51,17 +56,30 @@ if (!class_exists('WP_FFPC_Backend')) {
* constructor
*
* @param mixed $config Configuration options
* @param boolean $network WordPress Network indicator flah
*
*/
public function __construct( $config, $network = false ) {
/* no config, nothing is going to work */
if ( empty ( $this->options ) ) {
return false;
//die ( __translate__ ( 'WP-FFPC Backend class received empty configuration array, the plugin will not work this way', $this->plugin_constant ) );
}
/* set config */
$this->options = $config;
/* set network flag */
$this->network = $network;
/* these are the list of the cookies to look for when looking for logged in user */
$this->cookies = array ( 'comment_author_' , 'wordpressuser_' , 'wp-postpass_', 'wordpress_logged_in_' );
/* make utilities singleton */
$this->utilities = WP_Plugins_Utilities_v1::Utility();
/* map the key with the predefined schemes */
$ruser = isset ( $_SERVER['REMOTE_USER'] ) ? $_SERVER['REMOTE_USER'] : '';
$ruri = isset ( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : '';
$rhost = isset ( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : '';
@ -75,23 +93,19 @@ if (!class_exists('WP_FFPC_Backend')) {
'$cookie_PHPSESSID' => $scookie,
);
/* no config, nothing is going to work */
if ( empty ( $this->options ) ) {
return false;
}
/* split hosts entry to servers */
$this->set_servers();
/* call backend initiator based on cache type */
$init = $this->proxy( 'init' );
/* info level */
$this->log ( __translate__('init starting', $this->plugin_constant ));
$this->$init();
}
/*********************** PUBLIC FUNCTIONS ***********************/
/*********************** PUBLIC / PROXY FUNCTIONS ***********************/
/**
* build key to make requests with
@ -166,7 +180,9 @@ if (!class_exists('WP_FFPC_Backend')) {
/**
* public get function, transparent proxy to internal function based on backend
*
* @param string $key Cache key to invalidate, false mean full flush
* @param string $post_id ID of post to invalidate
* @param boolean $force Force flush cache
*
*/
public function clear ( $post_id = false, $force = false ) {
@ -396,6 +412,8 @@ if (!class_exists('WP_FFPC_Backend')) {
/**
* log wrapper to include options
*
* @var mixed $message Message to log
* @var int $log_level Log level
*/
private function log ( $message, $log_level = LOG_WARNING ) {
if ( !isset ( $this->options['log'] ) || $this->options['log'] != 1 )

192
wp-ffpc-class.php
View file

@ -18,15 +18,17 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
/**
* main wp-ffpc class
*
* @var string $acache_config Configuration storage file location
* @var string $acache_worker The advanced cache worker file location
* @var string $acache The WordPress standard advanced cache location
* @var array $select_cache_type Possible cache types array
* @var array $select_invalidation_method Possible invalidation methods array
* @var string $nginx_sample Nginx example config file location
* @var array $select_cache_type Cache types string array
* @var array $select_invalidation_method Invalidation methods string array
*
* @var string $acache_worker advanced cache "worker" file, bundled with the plugin
* @var string $acache WordPress advanced-cache.php file location
* @var string $nginx_sample nginx sample config file, bundled with the plugin
* @var string $acache_backend backend driver file, bundled with the plugin
* @var string $button_flush flush button identifier
* @var string $button_precache precache button identifier
* @var string $global_option global options identifier
* @var string $precache_logfile Precache log file location
* @var string $precache_phpfile Precache PHP worker location
* @var array $shell_possibilities List of possible precache worker callers
[TODO] finish list of vars
*/
class WP_FFPC extends WP_Plugins_Abstract_v2 {
const host_separator = ',';
@ -58,18 +60,15 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
private $acache_backend = '';
private $button_flush;
private $button_precache;
protected $select_cache_type = array ();
protected $select_invalidation_method = array ();
protected $select_schedules = array();
protected $valid_cache_type = array ();
protected $list_uri_vars = array();
private $select_cache_type = array ();
private $select_invalidation_method = array ();
private $select_schedules = array();
private $valid_cache_type = array ();
private $list_uri_vars = array();
private $shell_function = false;
private $shell_possibilities = array ();
private $backend = NULL;
private $scheduled = false;
private $errors = array();
private $warnings = array();
private $notices = array();
/**
* init hook function runs before admin panel hook, themeing and options read
@ -95,18 +94,9 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
$this->precache_phpfile = sys_get_temp_dir() . '/' . self::precache_php;
/* search for a system function */
$this->shell_possibilities = array ( 'shell_exec', 'exec', 'system', 'passthru' );
//$this->shell_possibilities = array ( 'shell_exec' );
/* get disabled functions list */
$disabled_functions = array_map('trim', explode(',', ini_get('disable_functions') ) );
$this->notices = array (
);
$this->warnings = array (
);
$this->errors = array (
);
foreach ( $this->shell_possibilities as $possible ) {
if ( function_exists ($possible) && ! ( ini_get('safe_mode') || in_array( $possible, $disabled_functions ) ) ) {
/* set shell function */
@ -127,7 +117,7 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
'memcache' => __( 'PHP Memcache' , $this->plugin_constant ),
'memcached' => __( 'PHP Memcached' , $this->plugin_constant ),
);
/* check for required functions / classes for the cache types */
$this->valid_cache_type = array (
'apc' => function_exists( 'apc_sma_info' ) ? true : false,
'memcache' => class_exists ( 'Memcache') ? true : false,
@ -141,6 +131,7 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
2 => __( 'modified post and all taxonomies' , $this->plugin_constant ),
);
/* map of possible key masks */
$this->list_uri_vars = array (
'$scheme' => __('The HTTP scheme (i.e. http, https).', $this->plugin_constant ),
'$host' => __('Host in the header of request or name of the server processing the request if the Host header is not available.', $this->plugin_constant ),
@ -153,18 +144,19 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
//'' => __('', $this->plugin_constant ),
);
/* get current wp_cron schedules */
$wp_schedules = wp_get_schedules();
/* add 'null' to switch off timed precache */
$schedules['null'] = __( 'do not use timed precache' );
foreach ( $wp_schedules as $interval=>$details ) {
$schedules[ $interval ] = $details['display'];
}
$this->select_schedules = $schedules;
}
/**
* additional init, steps that needs the plugin options
* additional init, steps that needs the plugin options
*
*/
public function plugin_setup () {
@ -221,6 +213,7 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
/**
* uninstall hook function, to be extended
* [TODO] static abstraction is not allowed in PHP; how to do this?
*/
static public function plugin_uninstall( $delete_options = true ) {
/* delete advanced-cache.php file */
@ -240,17 +233,22 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
/* save parameter updates, if there are any */
if ( isset( $_POST[ $this->button_flush ] ) ) {
/* remove precache log entry */
$this->_delete_option( self::precache_log );
/* remove precache timestamp entry */
$this->_delete_option( self::precache_timestamp );
/* remove precache logfile */
if ( @file_exists ( $this->precache_logfile ) ) {
unlink ( $this->precache_logfile );
}
/* remove precache PHP worker */
if ( @file_exists ( $this->precache_phpfile ) ) {
unlink ( $this->precache_phpfile );
}
/* flush backend */
$this->backend->clear( false, true );
$this->status = 3;
header( "Location: ". $this->settings_link . self::slug_flush );
@ -259,10 +257,12 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
/* save parameter updates, if there are any */
if ( isset( $_POST[ $this->button_precache ] ) ) {
/* is no shell function is possible, fail */
if ( $this->shell_function == false ) {
$this->status = 5;
header( "Location: ". $this->settings_link . self::slug_precache_disabled );
}
/* otherwise start full precache */
else {
$this->precache_message = $this->precache_coldrun();
$this->status = 4;
@ -272,7 +272,7 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
}
/**
*
* admin help panel
*/
public function plugin_admin_help($contextual_help, $screen_id ) {
@ -318,42 +318,43 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
<?php
/* display donation form */
$this->plugin_donation_form();
/**
* if options were saved, display saved message
*/
if ( ! empty( $this->broadcast_message ) ) : ?>
if ( ! empty( $this->broadcast_message ) ) { ?>
<div class="updated"><?php echo $this->broadcast_message; ?></div>
<?php endif;
<?php }
/**
* if options were saved, display saved message
*/
if (isset($_GET[ self::key_save ]) && $_GET[ self::key_save ]=='true' || $this->status == 1) : ?>
if (isset($_GET[ self::key_save ]) && $_GET[ self::key_save ]=='true' || $this->status == 1) { ?>
<div class='updated settings-error'><p><strong><?php _e( 'Settings saved.' , $this->plugin_constant ) ?></strong></p></div>
<?php endif;
<?php }
/**
* if options were delete, display delete message
*/
if (isset($_GET[ self::key_delete ]) && $_GET[ self::key_delete ]=='true' || $this->status == 2) : ?>
if (isset($_GET[ self::key_delete ]) && $_GET[ self::key_delete ]=='true' || $this->status == 2) { ?>
<div class='error'><p><strong><?php _e( 'Plugin options deleted.' , $this->plugin_constant ) ?></strong></p></div>
<?php endif;
<?php }
/**
* if options were saved
*/
if (isset($_GET[ self::key_flush ]) && $_GET[ self::key_flush ]=='true' || $this->status == 3) : ?>
if (isset($_GET[ self::key_flush ]) && $_GET[ self::key_flush ]=='true' || $this->status == 3) { ?>
<div class='updated settings-error'><p><strong><?php _e( "Cache flushed." , $this->plugin_constant ); ?></strong></p></div>
<?php endif;
<?php }
/**
* if options were saved, display saved message
*/
if ( ( isset($_GET[ self::key_precache ]) && $_GET[ self::key_precache ]=='true' ) || $this->status == 4) : ?>
if ( ( isset($_GET[ self::key_precache ]) && $_GET[ self::key_precache ]=='true' ) || $this->status == 4) { ?>
<div class='updated settings-error'><p><strong><?php _e( 'Precache process was started, it is now running in the background, please be patient, it may take a very long time to finish.' , $this->plugin_constant ) ?></strong></p></div>
<?php endif;
<?php }
/**
* the admin panel itself
@ -362,66 +363,61 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
<h2><?php echo $this->plugin_name ; _e( ' settings', $this->plugin_constant ) ; ?></h2>
<?php if ( ! WP_CACHE ) : ?>
<?php if ( ! WP_CACHE ) { ?>
<div class="error"><p><?php _e("WP_CACHE is disabled, plugin will not work that way. Please add define `( 'WP_CACHE', true );` in wp-config.php", $this->plugin_constant ); ?></p></div>
<?php endif; ?>
<?php }
<?php if ( ! $this->global_saved ) : ?>
if ( ! $this->global_saved ) { ?>
<div class="error"><p><?php _e("WARNING: plugin settings are not yet saved for the site, please save settings!", $this->plugin_constant); ?></p><p><?php _e( "Technical information: the configuration array is not present in the global configuration." , $this->plugin_constant ) ?></p></div>
<?php endif; ?>
<?php }
<?php if ( ! file_exists ( $this->acache ) ) : ?>
if ( ! file_exists ( $this->acache ) ) { ?>
<div class="error"><p><?php _e("WARNING: advanced cache file is yet to be generated, please save settings!", $this->plugin_constant); ?></p><p><?php _e( "Technical information: please check if location is writable: " . $this->acache , $this->plugin_constant ) ?></p></div>
<?php endif; ?>
<?php }
<?php if ( $this->options['cache_type'] == 'memcached' && !class_exists('Memcached') ) : ?>
if ( $this->options['cache_type'] == 'memcached' && !class_exists('Memcached') ) { ?>
<div class="error"><p><?php _e('ERROR: Memcached cache backend activated but no PHP memcached extension was found.', $this->plugin_constant); ?></p></div>
<?php endif; ?>
<?php }
<?php if ( $this->options['cache_type'] == 'memcache' && !class_exists('Memcache') ) : ?>
if ( $this->options['cache_type'] == 'memcache' && !class_exists('Memcache') ) { ?>
<div class="error"><p><?php _e('ERROR: Memcache cache backend activated but no PHP memcache extension was found.', $this->plugin_constant); ?></p></div>
<?php endif; ?>
<?php }
<?php
/* get the current runtime configuration for memcache in PHP because Memcache in binary mode is really problematic */
if ( extension_loaded ( 'memcache' ) )
/* get the current runtime configuration for memcache in PHP because Memcache in binary mode is really problematic */
if ( extension_loaded ( 'memcache' ) )
{
$memcache_settings = ini_get_all( 'memcache' );
if ( !empty ( $memcache_settings ) && $this->options['cache_type'] == 'memcache' )
{
$memcache_settings = ini_get_all( 'memcache' );
if ( !empty ( $memcache_settings ) && $this->options['cache_type'] == 'memcache' )
{
$memcache_protocol = strtolower($memcache_settings['memcache.protocol']['local_value']);
if ( $memcached_protocol == 'binary' ) :
?>
$memcache_protocol = strtolower($memcache_settings['memcache.protocol']['local_value']);
if ( $memcached_protocol == 'binary' ) { ?>
<div class="error"><p><?php _e('WARNING: Memcache extension is configured to use binary mode. This is very buggy and the plugin will most probably not work correctly. <br />Please consider to change either to ASCII mode or to Memcached extension.', $this->plugin_constant ); ?></p></div>
<?php
endif;
}
<?php }
}
?>
} ?>
<div class="updated">
<p><strong><?php _e ( 'Driver: ' , $this->plugin_constant); echo $this->options['cache_type']; ?></strong></p>
<?php
/* only display backend status if memcache-like extension is running */
if ( strstr ( $this->options['cache_type'], 'memcache') ) :
?><p><?php
_e( '<strong>Backend status:</strong><br />', $this->plugin_constant );
/* only display backend status if memcache-like extension is running */
if ( strstr ( $this->options['cache_type'], 'memcache') ) {
?><p><?php
_e( '<strong>Backend status:</strong><br />', $this->plugin_constant );
/* we need to go through all servers */
$servers = $this->backend->status();
foreach ( $servers as $server_string => $status ) {
echo $server_string ." => ";
/* we need to go through all servers */
$servers = $this->backend->status();
foreach ( $servers as $server_string => $status ) {
echo $server_string ." => ";
if ( $status == 0 )
_e ( '<span class="error-msg">down</span><br />', $this->plugin_constant );
elseif ( ( $this->options['cache_type'] == 'memcache' && $status > 0 ) || $status == 1 )
_e ( '<span class="ok-msg">up & running</span><br />', $this->plugin_constant );
else
_e ( '<span class="error-msg">unknown, please try re-saving settings!</span><br />', $this->plugin_constant );
}
if ( $status == 0 )
_e ( '<span class="error-msg">down</span><br />', $this->plugin_constant );
elseif ( ( $this->options['cache_type'] == 'memcache' && $status > 0 ) || $status == 1 )
_e ( '<span class="ok-msg">up & running</span><br />', $this->plugin_constant );
else
_e ( '<span class="error-msg">unknown, please try re-saving settings!</span><br />', $this->plugin_constant );
}
?></p><?php
endif;
?>
?></p><?php
} ?>
</div>
<form method="post" action="#" id="<?php echo $this->plugin_constant ?>-settings" class="plugin-admin">
@ -703,11 +699,12 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
<legend><?php _e( 'Precache', $this->plugin_constant ); ?></legend>
<dl>
<dt>
<?php if ( ( isset( $_GET[ self::key_precache_disabled ] ) && $_GET[ self::key_precache_disabled ] =='true' ) || $this->status == 5 || $this->shell_function == false ) : ?>
<?php if ( ( isset( $_GET[ self::key_precache_disabled ] ) && $_GET[ self::key_precache_disabled ] =='true' ) || $this->status == 5 || $this->shell_function == false ) { ?>
<strong><?php _e( "Precache functionality is disabled due to unavailable system call function. <br />Since precaching may take a very long time, it's done through a background CLI process in order not to run out of max execution time of PHP. Please enable one of the following functions if you whish to use precaching: " , $this->plugin_constant ) ?><?php echo join( ',' , $this->shell_possibilities ); ?></strong>
<?php else: ?>
<?php }
else { ?>
<input class="button-secondary" type="submit" name="<?php echo $this->button_precache ?>" id="<?php echo $this->button_precache ?>" value="<?php _e('Pre-cache', $this->plugin_constant ) ?>" />
<?php endif; ?>
<?php } ?>
</dt>
<dd>
<span class="description"><?php _e('Start a background process that visits all permalinks of all blogs it can found thus forces WordPress to generate cached version of all the pages.<br />The plugin tries to visit links of taxonomy terms without the taxonomy name as well. This may generate 404 hits, please be prepared for these in your logfiles if you plan to pre-cache.', $this->plugin_constant); ?></span>
@ -1003,15 +1000,16 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
if ( file_exists ( $this->precache_phpfile )) {
$return = true;
}
// TODO: cross-platform process check; this is *nix only
//else {
// /* otherwise try to check if precache is running; */
// $shellfunction = $this->shell_function;
// $running = $shellfunction( "ps aux | grep \"". $this->precache_phpfile ."\" | grep -v grep | awk '{print $2}'" );
// if ( is_int( $running ) && $running != 0 ) {
// $return = true;
// }
//}
/*
[TODO] cross-platform process check; this is *nix only
else {
$shellfunction = $this->shell_function;
$running = $shellfunction( "ps aux | grep \"". $this->precache_phpfile ."\" | grep -v grep | awk '{print $2}'" );
if ( is_int( $running ) && $running != 0 ) {
$return = true;
}
}
*/
return $return;
}
@ -1105,7 +1103,6 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
}
//$this->taxonomy_links ( $links );
$this->backend->taxonomy_links ( $links );
/* just in case, reset $post */
@ -1118,9 +1115,10 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
}
/**
* [TODO] this function will be used with error coded log messages
* display predefined message based on code
*
*/
*
private function message ( $code, $type, $echo = true ) {
switch ( $type ) {
case 'notice':
@ -1138,7 +1136,7 @@ if ( ! class_exists( 'WP_FFPC' ) ) {
if ( $echo ) echo $r;
else return $r;
}
}*/
}
}

1
wp-ffpc.php
View file

@ -53,5 +53,4 @@ $wp_ffpc_defaults = array (
$wp_ffpc = new WP_FFPC ( 'wp-ffpc', '1.2', 'WP-FFPC', $wp_ffpc_defaults, 'https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=XU3DG7LLA76WC' );
?>