OneSignal WordPress Plugin 1.0.3

README.md

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+OneSignal WordPress Push Notification Plugin
+====================================
+
+OneSignal is a free push notification service for web and mobile apps. This plugin makes it easy to integrate your WordPress site with OneSignal Push Notifications.
+
+- Download and install from the [WordPress Plugin Directory](https://wordpress.org/plugins/onesignal-free-web-push-notifications/)

onesignal-admin.php

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+<?php
+
+class OneSignal_Admin {
+	public function __construct() {
+    }
+
+
+	public static function init() {
+		$onesignal = new self();
+		if(current_user_can('update_plugins')) {
+			add_action( 'admin_menu', array(__CLASS__,'add_admin_page') );
+      add_action( 'add_meta_boxes_post', array( __CLASS__, 'add_onesignal_post_options' ) );
+      add_action( 'save_post', array( __CLASS__, 'on_post_save' ) );
+		}
+
+    // Outside is_admin() to catch posts that go from future to published in the background.
+    add_action( 'transition_post_status', array( __CLASS__, 'notification_on_blog_post' ), 10, 3 );
+
+		return $onesignal;
+	}
+
+  public static function add_onesignal_post_options() {
+
+      add_meta_box(
+            'onesignal_notif_on_post',
+            'OneSignal',
+            array( __CLASS__, 'onesignal_notif_on_post_html_view' ),
+            'post',
+            'side',
+            'high'
+        );
+  }
+
+  public static function on_post_save($post_id) {
+    if ( $_POST['send_onesignal_notification'] === "true" && get_post_status($post_id) !== "publish" ) {
+      update_post_meta($post_id, 'send_onesignal_notification', "true");
+    }
+    else {
+      update_post_meta($post_id, 'send_onesignal_notification', "false");
+    }
+  }
+
+  public static function onesignal_notif_on_post_html_view($post) {
+    $onesignal_wp_settings = OneSignal::get_onesignal_settings();
+    ?>
+      <input type="checkbox" name="send_onesignal_notification" value="true" <?php if ($onesignal_wp_settings['notification_on_post'] && $post->post_status != "publish") { echo checked; } ?>></input>
+      <label> <?php if ($post->post_status == "publish") { echo "Send notification on update"; } else { echo "Send notification on publish"; } ?></label>
+    <?php
+  }
+
+  public static function save_config_page($config) {
+    if (!current_user_can('update_plugins'))
+      return;
+
+    $sdk_dir = plugin_dir_path( __FILE__ ) . 'sdk_files/';
+    $onesignal_wp_settings = OneSignal::get_onesignal_settings();
+    $new_app_id = $config['app_id'];
+
+    // Validate the UUID
+    if( preg_match('/([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})/', $new_app_id, $m))
+      $onesignal_wp_settings['app_id'] = $new_app_id;
+
+    if (is_numeric($config['gcm_sender_id'])) {
+      $onesignal_wp_settings['gcm_sender_id'] = $config['gcm_sender_id'];
+      $manifest_json = "{\n"
+                       . "  \"start_url\": \"/\",\n"
+                       . "  \"gcm_sender_id\": \"" . $onesignal_wp_settings['gcm_sender_id'] . "\",\n"
+                       . "  \"gcm_user_visible_only\": true\n"
+                       . "}";
+      file_put_contents($sdk_dir . 'manifest.json', $manifest_json);
+    }
+
+    if ($config['gcm_sender_id']) {
+      $onesignal_wp_settings['subdomain'] = $config['subdomain'];
+    }
+
+    if ($config['auto_register'] == "true") {
+      $onesignal_wp_settings['auto_register'] = true;
+    }
+    else {
+      $onesignal_wp_settings['auto_register'] = false;
+    }
+
+    if ($config['notification_on_post'] == "true") {
+      $onesignal_wp_settings['notification_on_post'] = true;
+    }
+    else {
+      $onesignal_wp_settings['notification_on_post'] = false;
+    }
+
+    $onesignal_wp_settings['default_title'] = $config['default_title'];
+    $onesignal_wp_settings['default_icon'] = $config['default_icon'];
+    $onesignal_wp_settings['default_url'] = $config['default_url'];
+
+    $onesignal_wp_settings['app_rest_api_key'] = $config['app_rest_api_key'];
+
+    OneSignal::save_onesignal_settings($onesignal_wp_settings);
+
+    return $onesignal_wp_settings;
+  }
+
+	public static function add_admin_page() {
+		$OneSignal_menu = add_menu_page('OneSignal Push',
+                                    'OneSignal Push',
+                                    'manage_options',
+                                    'onesignal-push',
+                                    array(__CLASS__, 'admin_menu'),
+                                    plugin_dir_url( __FILE__ ) .'views/images/menu_icon.png');
+
+    add_action( 'load-' . $OneSignal_menu, array(__CLASS__, 'admin_custom_load') );                       
+	}
+
+	public static function admin_menu() {
+    require_once( plugin_dir_path( __FILE__ ) . '/views/config.php' );
+  }
+
+  public static function admin_custom_load() {
+    add_action( 'admin_enqueue_scripts', array(__CLASS__, 'admin_custom_scripts') );
+  }
+
+  public static function admin_custom_scripts() {
+    wp_enqueue_style( 'bootstrap.min', plugin_dir_url( __FILE__ ) . 'views/css/bootstrap.min.css');
+    wp_enqueue_style( 'style_onesignal', plugin_dir_url( __FILE__ ) . 'views/css/style_onesignal.css');
+
+    wp_enqueue_script( 'bootstrap.min', plugin_dir_url( __FILE__ ) . 'views/javascript/bootstrap.min.js');
+    wp_enqueue_script( 'settings', plugin_dir_url( __FILE__ ) . 'views/javascript/settings.js');
+
+    wp_enqueue_script( 'intercom', plugin_dir_url( __FILE__ ) . 'views/javascript/intercom.js');
+
+  }
+
+  public static function notification_on_blog_post( $new_status, $old_status, $post ) {
+    if (empty( $post )) {
+        return;
+    }
+
+    $onesignal_wp_settings = OneSignal::get_onesignal_settings();
+
+    if (isset($_POST['send_onesignal_notification'])) {
+      $send_onesignal_notification = $_POST['send_onesignal_notification'];
+    }
+    else {
+      $send_onesignal_notification = get_post_meta( $post->ID, 'send_onesignal_notification', true );
+    }
+
+    if ($send_onesignal_notification === "true") {
+      if ( get_post_type( $post ) !== 'post' || $post->post_status !== "publish") {
+          return;
+      }
+
+      update_post_meta($post->ID, 'send_onesignal_notification', "false");
+
+      if (empty( $custom_headline ) ) {
+        $notif_content = get_the_title( $post->ID );
+      } else {
+        $notif_content = $custom_headline;
+      }
+
+      $fields = array(
+        'app_id' => $onesignal_wp_settings['app_id'],
+        'included_segments' => array('All'),
+        'isChromeWeb' => true,
+        'contents' => array("en" => $notif_content)
+      );
+
+      $ch = curl_init();
+      curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications");
+      curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json',
+                             'Authorization: Basic ' . $onesignal_wp_settings['app_rest_api_key'])); // TODO: Get auth key from settings
+      curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
+      curl_setopt($ch, CURLOPT_HEADER, FALSE);
+      curl_setopt($ch, CURLOPT_POST, TRUE);
+      curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
+      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
+
+      $response = curl_exec($ch);
+      curl_close($ch);
+
+      return $response;
+    }
+  }
+}
+
+?>

onesignal-public.php

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+<?php
+
+class OneSignal_Public {
+
+  public function __construct() {}
+
+  public static function init() {
+    define( 'ONESIGNAL_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
+        add_action( 'wp_head', array( __CLASS__, 'onesignal_header' ), 1 );
+  }
+
+  public static function onesignal_header() {
+    $onesignal_wp_settings = OneSignal::get_onesignal_settings();
+?>
+    <script src="https://cdn.onesignal.com/sdks/OneSignalSDK.js" async></script>
+    <?php if ($onesignal_wp_settings["subdomain"] == "") { ?>
+    <link rel="manifest" href="<?php echo(  ONESIGNAL_PLUGIN_URL . 'sdk_files/manifest.json' ) ?>" />
+    <?php } ?>
+    <script>
+      var OneSignal = OneSignal || [];
+
+      function initOneSignal() {
+        OneSignal.SERVICE_WORKER_UPDATER_PATH = "OneSignalSDKUpdaterWorker.js.php";
+        OneSignal.SERVICE_WORKER_PATH = "OneSignalSDKWorker.js.php";
+        OneSignal.SERVICE_WORKER_PARAM = { scope: '/' };
+
+        <?php if ($onesignal_wp_settings['default_title'] != "") {
+          echo "OneSignal.setDefaultTitle(\"" . $onesignal_wp_settings['default_title'] . "\");\n";
+        }
+        else {
+          echo "OneSignal.setDefaultTitle(\"" . get_bloginfo( 'name' ) . "\");\n";
+        }
+        ?>
+        <?php if ($onesignal_wp_settings['default_icon'] != "") {
+          echo "OneSignal.setDefaultIcon(\"" . $onesignal_wp_settings['default_icon'] . "\");\n";
+        } ?>
+        <?php
+        if ($onesignal_wp_settings['default_url'] != "") {
+          echo "OneSignal.setDefaultNotificationUrl(\"" . $onesignal_wp_settings['default_url'] . "\");";
+        }
+        else {
+           echo "OneSignal.setDefaultNotificationUrl(\"" . get_site_url() . "\");";
+        } 
+        ?>
+
+        OneSignal.init({appId: "<?php echo $onesignal_wp_settings["app_id"] ?>",
+                        <?php if ($onesignal_wp_settings["subdomain"] != "") { echo "subdomainName: \"" . $onesignal_wp_settings["subdomain"] . "\",\n"; } ?>
+                        path: "<?php echo ONESIGNAL_PLUGIN_URL . 'sdk_files' ?>/"});
+      }
+
+      window.addEventListener("load", function(event){
+        OneSignal.push(initOneSignal);
+
+        var oneSignal_elements = document.getElementsByClassName("OneSignal-prompt");
+        var oneSignalLinkClickHandler = function(event) { OneSignal.push(['registerForPushNotifications', {modalPrompt: true}]); event.preventDefault(); };
+        for(var i = 0; i < oneSignal_elements.length; i++)
+          oneSignal_elements[i].addEventListener('click', oneSignalLinkClickHandler, false);
+      });
+    </script>
+
+<?php
+  }
+}
+?>

onesignal-settings.php

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+<?php
+class OneSignal {
+  public static function get_onesignal_settings() {
+    if (!defined($onesignal_wp_settings)) {
+      $onesignal_wp_settings = get_option("OneSignalWPSetting");
+      if (empty( $onesignal_wp_settings )) {
+         $onesignal_wp_settings = array(
+                'app_id' => '',
+                'gcm_sender_id' => '',
+                'auto_register' => true,
+                'notification_on_post' => true,
+                'use_http' => false,
+                'subdomain' => "",
+                'origin' => "",
+                'default_title' => "",
+                'default_icon' => "",
+                'default_url' => "",
+                'app_rest_api_key' => ""
+                );
+      }
+    }
+
+    return $onesignal_wp_settings;
+  }
+
+  public static function save_onesignal_settings($settings) {
+    $onesignal_wp_settings = $settings;
+    update_option("OneSignalWPSetting", $onesignal_wp_settings);
+  }
+}
+?>

onesignal-widget.php

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+<?php
+
+class OneSignalWidget extends WP_Widget {
+
+	function __construct() {
+    parent::__construct('OneSignalWidget', 'OneSignal', array( 'description' => 'Subscribe to notifications'));
+	}
+
+  // Admin editor
+	function form($instance) {
+    $title = ! empty( $instance['title'] ) ? $instance['title'] : 'Follow';
+    $text = ! empty( $instance['text'] ) ? $instance['text'] : 'Subscribe to notifications';
+		?>
+		<p>
+		<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> 
+		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
+    		<label for="<?php echo $this->get_field_id( 'text' ); ?>"><?php _e( 'Body:' ); ?></label> 
+		<input class="widefat" id="<?php echo $this->get_field_id( 'text' ); ?>" name="<?php echo $this->get_field_name( 'text' ); ?>" type="text" value="<?php echo esc_attr( $text ); ?>">
+		</p>
+		<?php 
+	}
+
+	function update($new_instance, $old_instance) {
+		$instance = array();
+		$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
+    $instance['text'] = ( ! empty( $new_instance['text'] ) ) ? strip_tags( $new_instance['text'] ) : '';
+
+		return $instance;
+	}
+
+	// Public display
+	function widget($args, $instance) {
+		echo $args['before_widget'];
+		if ( ! empty( $instance['title'] ) ) {
+			echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ). $args['after_title'];
+		}
+    if ( ! empty( $instance['text'] ) ) {
+			echo '<a href="#" class="OneSignal-prompt">' . $instance['text'] . '</a>';
+		}
+		echo $args['after_widget'];
+	}
+}
+
+add_action('widgets_init', create_function('', 'return register_widget("OneSignalWidget");'));
+
+?>

onesignal.php

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+<?php
+/**
+ * Plugin Name: OneSignal Push Notifications
+ * Plugin URI: https://onesignal.com/
+ * Description: 
+ * Version: 1.0.3
+ * Author: OneSignal
+ * Author URI: https://onesignal.com
+ * License: MIT
+ */
+
+define( 'ONESIGNAL_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
+
+require_once( plugin_dir_path( __FILE__ ) . 'onesignal-admin.php' );
+require_once( plugin_dir_path( __FILE__ ) . 'onesignal-public.php' );
+require_once( plugin_dir_path( __FILE__ ) . 'onesignal-settings.php' );
+require_once( plugin_dir_path( __FILE__ ) . 'onesignal-widget.php' );
+
+add_action( 'init', array( 'OneSignal_Admin', 'init' ) );
+add_action( 'init', array( 'OneSignal_Public', 'init' ) );
+
+?>