wp-cron.php' ),
61 | 'type' => 'yesno'
62 | ),
63 | 'secret_string' => array(
64 | 'label' => __( 'Secret string', 'wp-cron-control' ),
65 | 'desc' => sprintf( __( 'The secret parameter that needs to be appended to %s requests.', 'wp-cron-control' ), 'wp-cron.php' ),
66 | 'type' => 'text'
67 | ),
68 | 'enable_scheduled_post_validation' => array(
69 | 'label' => __( 'Enable scheduled post validation', 'wp-cron-control' ),
70 | 'desc' => sprintf( __( 'In some rare cases, it can happen that even when running %s via a scheduled system cron job, posts miss their schedule. This feature makes sure that there is a scheduled event for each scheduled post.', 'wp-cron-control' ), 'wp-cron' ),
71 | 'type' => 'yesno'
72 | ),
73 | ) );
74 |
75 | $user_settings = get_option( $this->plugin_prefix . 'settings' );
76 | if ( false === $user_settings )
77 | $user_settings = array();
78 |
79 | // after getting default settings make sure to parse the arguments together with the user settings
80 | $this->settings = wp_parse_args( $user_settings, $this->default_settings );
81 |
82 | /**
83 | * If you define( 'WP_CRON_CONTROL_SECRET', 'my_super_secret_string' ); in your wp-config.php or your theme then
84 | * users are not allowed to change the secret, so we output the existing secret string rather than allowing to add a new one
85 | */
86 | if ( defined( 'WP_CRON_CONTROL_SECRET' ) ) {
87 | $this->settings_texts['secret_string']['type'] = 'echo';
88 | $this->settings_texts['secret_string']['desc'] = $this->settings_texts['secret_string']['desc'] . sprintf( __( 'Cannot be changed as it is defined via %s.', 'wp-cron-control' ), "WP_CRON_CONTROL_SECRET" );
89 | $this->settings['secret_string'] = WP_CRON_CONTROL_SECRET;
90 | }
91 |
92 | }
93 |
94 | public static function init() {
95 | self::instance()->settings_page_name = sprintf( __( '%s Settings', 'wp-cron-control' ), self::instance()->plugin_name );
96 |
97 | if ( 1 == self::instance()->settings['enable'] ) {
98 | self::instance()->prepare();
99 | }
100 | }
101 |
102 | /*
103 | * Use this singleton to address methods
104 | */
105 | public static function instance() {
106 | if ( self::$__instance == NULL )
107 | self::$__instance = new WP_Cron_Control;
108 | return self::$__instance;
109 | }
110 |
111 | public function prepare() {
112 | /**
113 | * If a css file for this plugin exists in ./css/wp-cron-control.css make sure it's included
114 | */
115 | if ( file_exists( dirname( __FILE__ ) . "/css/" . $this->dashed_name . ".css" ) )
116 | wp_enqueue_style( $this->dashed_name, plugins_url( "css/" . $this->dashed_name . ".css", __FILE__ ), $deps = array(), $this->css_version );
117 | /**
118 | * If a js file for this plugin exists in ./js/wp-cron-control.css make sure it's included
119 | */
120 | if ( file_exists( dirname( __FILE__ ) . "/js/" . $this->dashed_name . ".js" ) )
121 | wp_enqueue_script( $this->dashed_name, plugins_url( "js/" . $this->dashed_name . ".js", __FILE__ ), array(), $this->js_version, true );
122 |
123 | /**
124 | * When the plugin is enabled make sure remove the default behavior for issueing wp-cron requests and add our own method
125 | * see: http://core.trac.wordpress.org/browser/trunk/wp-includes/default-filters.php#L236
126 | * and http://core.trac.wordpress.org/browser/trunk/wp-includes/cron.php#L258
127 | */
128 | if ( 1 == $this->settings['enable'] ) {
129 | remove_action( 'init', 'wp_cron' );
130 | add_action( 'init', array( &$this, 'validate_cron_request' ) );
131 | }
132 |
133 | }
134 |
135 | public function register_settings_page() {
136 | add_options_page( $this->settings_page_name, $this->plugin_name, 'manage_options', $this->dashed_name, array( &$this, 'settings_page' ) );
137 | }
138 |
139 | public function register_setting() {
140 | register_setting( $this->plugin_prefix . 'settings', $this->plugin_prefix . 'settings', array( &$this, 'validate_settings') );
141 | }
142 |
143 | public function validate_settings( $settings ) {
144 | $validated_settings = array();
145 |
146 | if ( !empty( $_POST[ $this->dashed_name . '-defaults'] ) ) {
147 | // Reset to defaults
148 | $validated_settings = $this->default_settings;
149 | $_REQUEST['_wp_http_referer'] = add_query_arg( 'defaults', 'true', $_REQUEST['_wp_http_referer'] );
150 | } else {
151 | foreach ( $this->settings_texts as $setting => $setting_info ) {
152 | switch( $setting ) {
153 | case 'enable':
154 | case 'enable_scheduled_post_validation':
155 | $validated_settings[ $setting ] = intval( $settings[ $setting ] );
156 | if ( $validated_settings[ $setting ] > 1 || $validated_settings[ $setting ] < 0 ) {
157 | $validated_settings[ $setting ] = $this->default_settings[ $setting ];
158 | }
159 | break;
160 |
161 | case 'secret_string':
162 | $validated_settings[ $setting ] = sanitize_text_field( $settings[ $setting ] );
163 | if ( empty( $validated_settings[ $setting ] ) ) {
164 | $validated_settings[ $setting ] = $this->default_settings[ $setting ];
165 | }
166 | break;
167 |
168 | default:
169 | $validated_settings[ $setting ] = sanitize_text_field( $settings[ $setting ] );
170 | break;
171 | }
172 | }
173 | }
174 |
175 | return $validated_settings;
176 | }
177 |
178 | public function settings_page() {
179 | if ( !current_user_can( 'manage_options' ) ) {
180 | wp_die( __( 'You do not permission to access this page' ) );
181 | }
182 | ?>
183 |