diff --git a/wp-cron-control.php b/wp-cron-control.php
index 0106bd162a213b838074c908dbaf52c1a8c96305..8b4de060efd28abc7c5009a28cd4c7263c3788ac 100644
--- a/wp-cron-control.php
+++ b/wp-cron-control.php
@@ -11,30 +11,30 @@
class WP_Cron_Control {
private static $__instance = NULL;
-
+
private $settings = array();
private $default_settings = array();
private $settings_texts = array();
-
+
private $plugin_prefix = 'wpcroncontrol_';
private $plugin_name = 'WP-Cron Control';
private $settings_page_name ='WP-Cron Control Settings';
private $dashed_name = 'wp-cron-control';
private $js_version = '20110801';
private $css_version = '20110801';
-
+
private $define_global_secret = NULL; // if this is set, it's value will be used as secret instead of the option
-
+
public function __construct() {
global $blog_id;
-
+
// this allows overwriting of the default secret with a value set in the code. Useful If you don't want to give control to users.
if ( NULL <> $this->define_global_secret && !defined( 'WP_CRON_CONTROL_SECRET' ) )
define( 'WP_CRON_CONTROL_SECRET', $this->define_global_secret );
-
+
add_action( 'admin_init', array( &$this, 'register_setting' ) );
add_action( 'admin_menu', array( &$this, 'register_settings_page' ) );
-
+
/**
* Default settings that will be used for the setup. You can alter these value with a simple filter such as this
* add_filter( 'wpcroncontrol_default_settings', 'mywpcroncontrol_settings' );
@@ -48,7 +48,7 @@ class WP_Cron_Control {
'enable_scheduled_post_validation' => 0,
'secret_string' => md5( __FILE__ . $blog_id ),
) );
-
+
/**
* Define fields that will be used on the options page
* the array key is the field_name the array then describes the label, description and type of the field. possible values for field types are 'text' and 'yesno' for a text field or input fields or 'echo' for a simple output
@@ -59,18 +59,18 @@ class WP_Cron_Control {
'secret_string' => array( 'label' => 'Secret string', 'desc' => 'The secret parameter that needs to be appended to wp-cron.php requests.', 'type' => 'text' ),
'enable_scheduled_post_validation' => array( 'label' => 'Enable scheduled post validation', 'desc' => 'In some rare cases it can happen that even when running wp-cron via a scheduled system cron job posts miss their schedule. This feature makes sure that there is a scheduled event for each scheduled post.', 'type' => 'yesno' ),
) );
-
+
$user_settings = get_option( $this->plugin_prefix . 'settings' );
if ( false === $user_settings )
$user_settings = array();
-
+
// after getting default settings make sure to parse the arguments together with the user settings
- $this->settings = wp_parse_args( $user_settings, $this->default_settings );
-
+ $this->settings = wp_parse_args( $user_settings, $this->default_settings );
+
/**
* If you define( 'WP_CRON_CONTROL_SECRET', 'my_super_secret_string' ); in your wp-config.php or your theme then
* users are not allowed to change the secret, so we output the existing secret string rather than allowing to add a new one
- */
+ */
if ( defined( 'WP_CRON_CONTROL_SECRET' ) ) {
$this->settings_texts['secret_string']['type'] = 'echo';
$this->settings_texts['secret_string']['desc'] = $this->settings_texts['secret_string']['desc'] . " Cannot be changed as it is defined via WP_CRON_CONTROL_SECRET";
@@ -78,18 +78,18 @@ class WP_Cron_Control {
}
}
-
- public static function init() {
+
+ public static function init() {
if ( 1 == self::instance()->settings['enable'] ) {
- }
+ }
self::instance()->prepare();
}
-
+
/*
* Use this singleton to address methods
*/
public static function instance() {
- if ( self::$__instance == NULL )
+ if ( self::$__instance == NULL )
self::$__instance = new WP_Cron_Control;
return self::$__instance;
}
@@ -105,7 +105,7 @@ class WP_Cron_Control {
*/
if ( file_exists( dirname( __FILE__ ) . "/js/" . $this->dashed_name . ".js" ) )
wp_enqueue_script( $this->dashed_name, plugins_url( "js/" . $this->dashed_name . ".js", __FILE__ ), array(), $this->js_version, true );
-
+
/**
* When the plugin is enabled make sure remove the default behavior for issueing wp-cron requests and add our own method
* see: http://core.trac.wordpress.org/browser/trunk/wp-includes/default-filters.php#L236
@@ -115,7 +115,7 @@ class WP_Cron_Control {
remove_action( 'sanitize_comment_cookies', 'wp_cron' );
add_action( 'init', array( &$this, 'validate_cron_request' ) );
}
-
+
}
public function register_settings_page() {
@@ -125,7 +125,7 @@ class WP_Cron_Control {
public function register_setting() {
register_setting( $this->plugin_prefix . 'settings', $this->plugin_prefix . 'settings', array( &$this, 'validate_settings') );
}
-
+
public function validate_settings( $settings ) {
// reset to defaults
if ( !empty( $_POST[ $this->dashed_name . '-defaults'] ) ) {
@@ -133,12 +133,12 @@ class WP_Cron_Control {
$_REQUEST['_wp_http_referer'] = add_query_arg( 'defaults', 'true', $_REQUEST['_wp_http_referer'] );
// or do some custom validations
} else {
-
+
}
return $settings;
}
-
- public function settings_page() {
+
+ public function settings_page() {
if ( !current_user_can( 'manage_options' ) ) {
wp_die( __( 'You do not permission to access this page' ) );
}
@@ -146,11 +146,11 @@ class WP_Cron_Control {
<div class="wrap">
<?php if ( function_exists('screen_icon') ) screen_icon(); ?>
<h2><?php echo $this->settings_page_name; ?></h2>
-
+
<form method="post" action="options.php">
-
+
<?php settings_fields( $this->plugin_prefix . 'settings' ); ?>
-
+
<table class="form-table">
<?php foreach( $this->settings as $setting => $value): ?>
<tr valign="top">
@@ -158,14 +158,14 @@ class WP_Cron_Control {
<td>
<?php
/**
- * Implement various handlers for the different types of fields. This could be easily extended to allow for drop-down boxes, textareas and more
+ * Implement various handlers for the different types of fields. This could be easily extended to allow for drop-down boxes, textareas and more
*/
?>
<?php switch( $this->settings_texts[$setting]['type'] ):
case 'yesno': ?>
<select name="<?php echo $this->plugin_prefix; ?>settings[<?php echo $setting; ?>]" id="<?php echo $this->dashed_name . '-' . $setting; ?>" class="postform">
- <?php
- $yesno = array( 0 => 'No', 1 => 'Yes' );
+ <?php
+ $yesno = array( 0 => 'No', 1 => 'Yes' );
foreach ( $yesno as $val => $txt ) {
echo '<option value="' . esc_attr( $val ) . '"' . selected( $value, $val, false ) . '>' . esc_html( $txt ) . " </option>\n";
}
@@ -203,7 +203,7 @@ class WP_Cron_Control {
</tr>
<?php endif; ?>
</table>
-
+
<p class="submit">
<?php
if ( function_exists( 'submit_button' ) ) {
@@ -216,13 +216,13 @@ class WP_Cron_Control {
}
?>
</p>
-
+
</form>
</div>
-
+
<?php
}
-
+
/**
* Alternative function to the current wp_cron function that would usually executed on sanitize_comment_cookies
*/
@@ -232,38 +232,38 @@ class WP_Cron_Control {
// grab the necessary secret string
if ( defined( 'WP_CRON_CONTROL_SECRET' ) )
$secret = WP_CRON_CONTROL_SECRET;
- else
+ else
$secret = $this->settings['secret_string'];
-
+
// make sure a secret string is provided in the ur
if ( isset( $_GET[$secret] ) ) {
-
+
// check if there is already a cron request running
$local_time = time();
if ( function_exists( '_get_cron_lock' ) )
$flag = _get_cron_lock();
else
$flag = get_transient('doing_cron');
-
+
if ( defined( 'WP_CRON_LOCK_TIMEOUT' ) )
$timeout = WP_CRON_LOCK_TIMEOUT;
- else
+ else
$timeout = 60;
-
+
if ( $flag > $local_time + 10 * $timeout )
$flag = 0;
-
+
// don't run if another process is currently running it or more than once every 60 sec.
if ( $flag + $timeout > $local_time )
die( 'another cron process running or previous not older than 60 secs' );
-
+
// set a transient to allow locking down parallel requests
set_transient( 'doing_cron', $local_time );
-
+
// make sure the request also validates in wp-cron.php
global $doing_wp_cron;
$doing_wp_cron = $local_time;
-
+
// if settings allow it validate if there are any scheduled posts without a cron event
if ( 1 == self::instance()->settings['enable_scheduled_post_validation'] ) {
$this->validate_scheduled_posts();
@@ -273,20 +273,20 @@ class WP_Cron_Control {
// something went wrong
die( 'invalid secret string' );
}
-
+
// for all other cases disable wp-cron.php and spawn_cron() by telling the system it's already running
if ( !defined( 'DOING_CRON' ) )
define( 'DOING_CRON', true );
-
+
// and also disable the wp_cron() call execution
if ( !defined( 'DISABLE_WP_CRON' ) )
define( 'DISABLE_WP_CRON', true );
return false;
}
-
+
public function validate_scheduled_posts() {
global $wpdb;
-
+
// grab all scheduled posts from posts table
$sql = $wpdb->prepare( "SELECT ID, post_date_gmt FROM $wpdb->posts WHERE post_status = 'future' " );
$results = $wpdb->get_results( $sql );
@@ -300,7 +300,7 @@ class WP_Cron_Control {
foreach ( $results as $r ) {
$gmt_time = strtotime( $r->post_date_gmt . ' GMT' );
-
+
// grab the scheduled job for this post
$timestamp = wp_next_scheduled( 'publish_future_post', array( (int) $r->ID ) );
if ( $timestamp === false ) {
@@ -320,7 +320,7 @@ class WP_Cron_Control {
}
}
}
-
+
return $return;
}
}
@@ -342,7 +342,7 @@ function wp_cron_control_call_cron( $blog_address, $secret ) {
if ( defined('ABSPATH') ) {
WP_Cron_Control::init();
} else {
- // otherwise parse the arguments and call the cron.
+ // otherwise parse the arguments and call the cron.
if ( !empty( $argv ) && $argv[0] == basename( __FILE__ ) || $argv[0] == __FILE__ ) {
if ( isset( $argv[1] ) && isset( $argv[2] ) ) {
wp_cron_control_call_cron( $argv[1], $argv[2] );
@@ -350,7 +350,7 @@ if ( defined('ABSPATH') ) {
echo "Usage: php " . __FILE__ . " <blog_address> <secret_string>\n";
echo "Example: php " . __FILE__ . " http://my.blog.com efe18b0e53498e737da9b91cf4ca3d25\n";
exit;
- }
+ }
}
}