Added blogusers plugin to timestreams to supprot API access to only d…

…ata that a user owns or blog that they belong to.

admin/hn_bu_admin-loader.php

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+<?php
+/**
+ * Loads admin functionality
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+	// Exit if accessed directly
+	if ( !defined( 'ABSPATH' ) ) exit;
+
+	// Utilites directory
+	if ( !defined( 'HN_BU_ADMIN_DIR' ) )
+		define( 'HN_BU_ADMIN_DIR', HN_BU_PLUGIN_DIR . '/admin' );
+
+	// Require utility files
+	require_once( HN_BU_ADMIN_DIR . '/hn_bu_interface.php' );
+?>

admin/hn_bu_interface.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Functions to provide admin functionality
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+	add_action('admin_menu', 'hn_bu_add_admin_menus');
+	require_once( HN_TS_ADMIN_DIR . '/settings.php' );
+
+	/**
+	 * Blogusers Admin menu structure
+	 */
+	function hn_bu_add_admin_menus(){
+		global $hn_bu_admin_timestreams;
+		$hn_bu_admin_timestreams = add_menu_page('Blogusers', __('Blogusers',HN_TS_NAME),
+				'administrator', __FILE__, 'hn_bu_main_admin_page');
+	}
+
+	/**
+	 * Displays top level timestreams admin page
+	 */
+	function hn_bu_main_admin_page(){
+		?>
+		<div class="wrap">
+			<div id="icon-index" class="icon32"></div>
+			<h2 style="padding-bottom: 1em;"><?php _e('Blogusers',HN_TS_NAME); ?></h2>
+		<?php
+			hn_db_showBlogusers();			
+		?>
+		</div>
+		<?php
+	}	
+
+?>

blogusers-loader.php

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+<?php
+	/*
+		Plugin Name: Blog users
+		Plugin URI: N/A
+		Description: Shows a list of blogs that users belong to
+		Version: 0.1.0
+		Author: Horizon Digital Economy Research Institute Jesse Blum (JMB) & Martin Flintham (MDF)
+		Author URI: http://www.horizon.ac.uk
+		License: AGPLv3
+	*/
+
+	/*  Copyright (C) 2012  Horizon Digital Economy Research Institute, Jesse Blum (JMB) & Martin Flintham (MDF)
+	
+	    This program is free software: you can redistribute it and/or modify
+	    it under the terms of the GNU Affero General Public License as
+	    published by the Free Software Foundation, either version 3 of the
+	    License, or (at your option) any later version.
+	
+	    This program is distributed in the hope that it will be useful,
+	    but WITHOUT ANY WARRANTY; without even the implied warranty of
+	    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	    GNU Affero General Public License for more details.
+	
+	    You should have received a copy of the GNU Affero General Public License
+	    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+	*/
+
+	/**
+	 * Sets up common variables and required files
+	 */
+	function hn_bu_setup(){		
+		// Define the Timestreams version
+		if ( !defined( 'HN_BU_VERSION' ) )
+			define( 'HN_BU_VERSION', '0.1' );
+
+		// Define the database version
+		if ( !defined( 'HN_BU_DB_VERSION' ) )
+			define( 'HN_BU_DB_VERSION', 0.1 );
+
+		// Define the plugin name
+		if ( !defined( 'HN_BU_NAME' ) )
+			define( 'HN_BU_NAME', 'Blogusers' );
+
+		// Define the Timestreams blog id -- idea courtesy of Buddypress
+		if ( !defined( 'HN_BU_ROOT_BLOG' ) ) {
+			if( !is_multisite() ) {
+				$_id = 1;
+			}else if ( !defined( 'HN_BU_ENABLE_MULTIBLOG' ) ) {
+				$current_site = get_current_site();
+				$_id = $current_site->blog_id;
+			} else {
+				$_id = get_current_blog_id();
+			}
+			define( 'HN_BU_ROOT_BLOG', $_id );
+		}
+
+		// Path and URL
+		if ( !defined( 'HN_BU_PLUGIN_DIR' ) )
+			define( 'HN_BU_PLUGIN_DIR', WP_PLUGIN_DIR . '/timestreams' );
+
+		if ( !defined( 'HN_BU_PLUGIN_URL' ) )
+			define( 'HN_BU_PLUGIN_URL', plugins_url( 'timestreams' ) );
+
+		hn_bu_blogusers_checkVersion(3);
+
+		//load_plugin_textdomain('blogusers',false,'blogusers/languages');
+
+		require_once( HN_BU_PLUGIN_DIR . '/utilities/hn_bu_utilitiesloader.php'     );
+		require_once( HN_BU_PLUGIN_DIR . '/controllers/hn_bu_controllers-loader.php'     );
+		require_once( HN_BU_PLUGIN_DIR . '/views/hn_bu_views-loader.php'     );
+		require_once( HN_BU_PLUGIN_DIR . '/admin/hn_bu_admin-loader.php'     );
+
+		// Hook into the dashboard action
+		register_activation_hook(__FILE__, 'hn_bu_blogusers_activate');
+		register_deactivation_hook(__FILE__, 'hn_bu_blogusers_deactivate');
+	}
+
+	function hn_bu_blogusers_init() {
+		$plugin_path = dirname( plugin_basename( __FILE__ ) ) ;
+		load_plugin_textdomain(HN_BU_NAME, false, $plugin_path);
+	}
+	add_action('init', 'hn_bu_blogusers_init');
+
+	/**
+	 * Plugin activation. This creates the initial multisite tables.
+	 */
+	function hn_bu_blogusers_activate() {
+		// Ensure that ABSPATH was defined
+		if ( !defined( 'ABSPATH' ) ) exit;
+
+		$hn_bu_db = new HN_BU_Database();
+		$hn_bu_db->hn_bu_createTables();
+
+	}
+
+	/**
+	 * Plugin deactivation. Currently this does nothing, 
+	 * but in the future should clean up the plugin database tables and files.
+	 */
+	function hn_bu_blogusers_deactivate() {
+		//To do: remove database tables
+	}
+
+	/**
+	 * Exits the plugin if the WP version is lower than $minver 
+	 * @param $minver is the minimum version of Wordpress supported
+	 */
+	function hn_bu_blogusers_checkVersion($minver){
+		global $wp_version;
+		$exit_msg="HN_BU_NAME requires Wordpress version ".$wp_version.' or newer.';
+		if(version_compare($wp_version, $minver,"<")){
+			exit($exit_msg);
+		}
+	}
+
+	hn_bu_setup();
+
+
+?>

controllers/hn_bu_controllers-loader.php

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+<?php
+/**
+ * Loads the controllers
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+	// Exit if accessed directly
+	if ( !defined( 'ABSPATH' ) ) exit;
+
+	// Utilites directory
+	if ( !defined( 'HN_BU_CONTROLLERS_DIR' ) )
+		define( 'HN_BU_CONTROLLERS_DIR', HN_BU_PLUGIN_DIR . '/controllers' );
+
+	// Require utility files
+	require_once( HN_BU_CONTROLLERS_DIR . '/hn_bu_users_ctrl.php'     );
+?>

controllers/hn_bu_users_ctrl.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Functions to control blog users
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+/**
+ * ...
+ */
+/*function hn_ts_generateKeys(){
+	?>
+		<div id="ts_ds_form">		
+			<h3><?php _e('API Key Generation'); ?></h3>			
+			<form id="apikeyform" method="post" action="">
+				<input type="submit" name='hn_ts_new_api_key' class="button-primary" value="<?php _e('Create New API Keys',HN_TS_NAME) ?>" />
+			</form>
+		</div>
+	<?php
+	
+	if(isset($_POST['hn_ts_new_api_key'])) {
+		$db = new Hn_TS_Database();
+		$db->hn_ts_addNewAPIKeys();
+	}
+	echo '<hr />';		
+}*/
+
+?>

utilities/hn_bu_db.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Class to interact with the wp_ts database tables
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+require_once(ABSPATH . 'wp-admin/includes/upgrade.php');	// provides dbDelta
+require_once(ABSPATH . WPINC . '/class-IXR.php');
+require_once(ABSPATH . WPINC . '/class-wp-xmlrpc-server.php');
+
+/**
+ * Controls calls to the database for timestreams
+ * @author pszjmb
+ *
+ */
+class HN_BU_Database {
+	private $wpserver;
+	protected $missingcontainername;
+	protected $missingParameters;
+
+	function HN_BU_Database(){
+		$this->wpserver = new wp_xmlrpc_server();
+		$this->missingcontainername = new IXR_Error(403, __('Missing container name parameter.',HN_TS_NAME));//"Missing container name parameter.";
+		$this->missingParameters= new IXR_Error(403, __('Incorrect number of parameters.',HN_TS_NAME));
+	}
+
+	/**
+	 * Creates the initial timestreams db tables. This is expected only to
+	 * run at plugin install.
+	 */
+	function hn_bu_createTables(){
+		global $wpdb;
+		$sql = 'CREATE TABLE IF NOT EXISTS '.$wpdb->prefix.'bu_blogusers (
+		user_id bigint(20) unsigned NOT NULL,
+		site_id bigint(20) unsigned NOT NULL,
+		blog_id bigint(20) unsigned NOT NULL,
+		PRIMARY KEY  (user_id,blog_id,site_id)
+		) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1;';
+		$wpdb->query($sql);
+	}
+
+	/**
+	 * Returns db rows with all the siteid and blog ids
+	 */
+	function hn_bu_getBloglist(){
+		global $wpdb;
+		return $wpdb->get_results( 	$wpdb->prepare(
+				"SELECT site_id, blog_id FROM wp_blogs ORDER BY site_id ASC, blog_id ASC;" )	);
+	}
+
+	/**
+	 * Returns db rows with all users
+	 */
+	function hn_bu_getUserlist(){
+		global $wpdb;
+		return $wpdb->get_results( 	$wpdb->prepare(
+				"SELECT ID FROM wp_users;" )	);
+	}
+
+	/**
+	 * Adds items from the given array to a truncated version of bu_blogusers
+	 */
+	function hn_bu_setUserBloglist($userblogarray){
+		global $wpdb;
+		//$wpdb->query( $wpdb->prepare( "TRUNCATE TABLE wp_bu_blogusers;" )	);
+		foreach ($userblogarray AS $user_blog) {
+			$wpdb->insert(
+					'wp_bu_blogusers',
+					array(
+							'user_id' => $user_blog[0],
+							'site_id' => $user_blog[1],
+							'blog_id' => $user_blog[2]
+					)
+			);
+		}
+	}
+}
+?>

utilities/hn_bu_utilitiesloader.php

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+<?php
+/**
+ * Loads utility files
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+	// Exit if accessed directly
+	if ( !defined( 'ABSPATH' ) ) exit;
+
+	// Utilites directory
+	if ( !defined( 'HN_BU_UTILITES_DIR' ) )
+		define( 'HN_BU_UTILITES_DIR', HN_BU_PLUGIN_DIR . '/utilities' );
+
+	// Require utility files
+	require_once( HN_BU_UTILITES_DIR . '/hn_bu_db.php'     );
+?>

views/hn_bu_blogusers_view.php

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+<?php
+/**
+ * Functions to display blogs and users
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+/**
+ * Displays blog users information in a table.
+ * To do: Complete pagination functionality.
+ * To do: Complete user sort functionality.
+ */
+function hn_db_showBlogusers(){
+	?>
+		<h3>Users and Blogs</h3>
+		<table class="widefat">
+			<thead>
+				<tr>
+					<th>User id</th>
+					<th>Site id</th>
+					<th>Blog id</th>
+				</tr>
+			</thead>
+			<tfoot>
+				<tr>
+					<th>User id</th>
+					<th>Site id</th>
+					<th>Blog id</th>
+				</tr>
+			</tfoot>
+			<tbody>
+			<?php 		
+			$hn_bu_db = new HN_BU_Database();
+			$user_list = $hn_bu_db->hn_bu_getUserlist();
+			$userblogarray = array();
+			$counter=0;
+			foreach ($user_list AS $user) {
+				$user_blogs = get_blogs_of_user( $user->ID );
+				foreach ($user_blogs AS $user_blog) {
+					echo "<tr><td>$user->ID</td>
+					<td>$user_blog->site_id</td>
+					<td>$user_blog->userblog_id</td></tr>";
+					$userblogarray[$counter]=array($user->ID, $user_blog->site_id, $user_blog->userblog_id);
+					$counter+=1;
+					$hn_bu_db->hn_bu_setUserBloglist($userblogarray);
+				}
+			}
+			?>
+				</tbody></table>
+			<?php 		
+}
+?>

views/hn_bu_views-loader.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * Loads view files. Views are output representations of data.
+ * Author: Jesse Blum (JMB)
+ * Date: 2012
+ */
+
+	// Exit if accessed directly
+	if ( !defined( 'ABSPATH' ) ) exit;
+
+	// Utilites directory
+	if ( !defined( 'HN_BU_VIEWS_DIR' ) )
+		define( 'HN_BU_VIEWS_DIR', HN_BU_PLUGIN_DIR . '/views' );
+
+	// Require utility files
+	require_once( HN_BU_VIEWS_DIR . '/hn_bu_blogusers_view.php'     );
+
+?>