<?php

/*

Plugin Name: Network Publisher

Plugin URI: http://www.linksalpha.com/

Description: Automatically posts your Articles to Social Networks - Facebook, Twitter, and LinkedIn

Version: 1.0.4

Author: Vivek Puri

Author URI: http://vivekpuri.com

*/

define('WIDGET_NAME', 'Network Publisher');

define('WIDGET_NAME_INTERNAL', 'networkpub');

define('WIDGET_PREFIX', 'networkpub');

define('NETWORKPUB', 'Automatically post your Articles to Social Networks - Facebook and Twitter');

define('ERROR_INTERNAL', 'internal error');

define('ERROR_INVALID_URL', 'invalid url');

define('ERROR_INVALID_KEY', 'invalid key');

if ( ! defined( 'WP_CONTENT_URL' ) )

      define( 'WP_CONTENT_URL', get_option( 'siteurl' ) . '/wp-content' );

if ( ! defined( 'WP_CONTENT_DIR' ) )

      define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );

define('WP_PLUGIN_URL', WP_CONTENT_URL. '/plugins' );

$networkpub_settings['api_key'] = array('label'=>'API Key:', 'type'=>'text', 'default'=>'');

$networkpub_settings['id'] = array('label'=>'id', 'type'=>'text', 'default'=>'');

$options = get_option(WIDGET_NAME_INTERNAL);

function networkpub_init() {

	wp_enqueue_script('jquery');

	wp_register_script('networkpubjs', WP_PLUGIN_URL .'/network-publisher/networkpub.js');

	wp_enqueue_script('networkpubjs');

	wp_register_style('networkpubcss', WP_PLUGIN_URL . '/network-publisher/networkpub.css');

	wp_enqueue_style('networkpubcss');

	add_action('admin_menu', 'networkpub_pages');	

	add_action('{$new_status}_{$post->post_type}', 'networkping');

	add_action('publish_post', 'networkping');

}

add_action('init', 'networkpub_init');

add_action('init', 'networkpub_remove');

function networkping($id) {

	if(!$id) {

		return FALSE;

	}

	$options = get_option(WIDGET_NAME_INTERNAL);

	$link = 'http://www.linksalpha.com/a/ping?id='.$options['id'];

	require_once(ABSPATH.WPINC.'/class-snoopy.php');

	$snoop = new Snoopy;

	$snoop->agent = WIDGET_NAME.' - '.get_option('siteurl');

	$response = '';

	if($snoop->fetchtext($link)){

		if (strpos($snoop->response_code, '200')) {

			return TRUE;

		} 

	}

	return FALSE;

}

function networkpub_pages() {

	if ( function_exists('add_submenu_page') ) {

		$page = add_submenu_page('plugins.php', WIDGET_NAME, WIDGET_NAME, 'manage_options', 'networkpub', 'networkpub_conf');

	}

}

function networkpub_conf() {

	global $networkpub_settings;

	if ( isset($_POST['submit']) ) {

		if ( function_exists('current_user_can') && !current_user_can('manage_options') ) {

			die(__('Cheatin’ uh?'));

		}

		$field_name = sprintf('%s_%s', WIDGET_PREFIX, 'api_key');

		$value = strip_tags(stripslashes($_POST[$field_name]));

		if($value) {

			$networkadd = networkpub_add($value);	

		}

	}

	$options = get_option(WIDGET_NAME_INTERNAL);

	$html  = '<div class="rts_header"><big><strong>'.WIDGET_NAME.'</strong></big></div>';

	$html .= '<table style="width:800px;"><tr><td style="padding-bottom:40px;">';

	$html .= '<div style="padding:0px 0px 10px 0px;">Network Publisher makes it easy and painless to Publish your Blog Posts to Social Networks. All you need to do is connect to your Social Networks at <a target="_blank" href="http://www.linksalpha.com/user/networks">LinksAlpha.com</a>, grab API Key for each enabled Network and enter it below. Once setup, your Blog posts content appears on the social networks as soon as you hit the Publish button.</div>';

	$html .= '<div style="padding:0px 0px 20px 0px;"><a href="http://www.linksalpha.com/user/networks" style="font-weight:bold;" target="_blank">Click Here</a> to get API Keys for your Social Networks. You can <a href="http://help.linksalpha.com/wordpress-plugin-network-publisher" target="_blank">read more about this process at LinksAlpha.com.</a></div>';

	$html .= '<div class="rts_header2"><big><strong>Setup</strong></big></div><div style="padding-left:10px;">';

	$html .= '<div style="text-align:left;">';

	$html .= '<form action="" method="post" id="networkpubadd" name="networkpubadd" style="width:90%;">';

	$html .= '<fieldset class="rts_fieldset">';

	$html .= '<legend>Additional API Key</legend>';

	$curr_field = 'api_key';

	$field_name = sprintf('%s_%s', WIDGET_PREFIX, $curr_field);

	$html .= '<div><label for="'.$field_name.'">'.$networkpub_settings[$curr_field]['label'].'&nbsp;</label></div>';

	$html .= '<div style="padding-bottom:10px"><input style="width:400px;" class="widefat" id="'.$field_name.'" name="'.$field_name.'" type="text" /></div>';

	$html .= '</fieldset>';

	$html .= '<div style="padding-top:20px;"><input type="submit" name="submit" value="Add API Key" /></div>';

	$html .= '<input type="hidden" value="'.WP_PLUGIN_URL.'" id="networkpub_plugin_url" /></form></div></td></tr><tr><td style="padding:0px 0px 0px 0px;vertical-align:top;">';

	$html .= '<div class="rts_header2"><big><strong>Currently Publishing</strong></big></div>';

	$html .= '<div style="padding-left:10px;">'.networkpub_load().'</div>';

	$html .= '</div></td></tr></table>';

	echo $html;

}

function networkpub_add($api_key) {

	if (!$api_key) {

		return FALSE;

	}

	$url = get_option('siteurl');

	$desc = get_bloginfo('description');

	if (!$url) {

		return FALSE;

	}

	$link = 'http://www.linksalpha.com/a/networkpubadd?url='.urlencode($url).'&key='.$api_key.'&desc='.urlencode($desc);

	require_once(ABSPATH.WPINC.'/class-snoopy.php');

	$snoop = new Snoopy;

	$snoop->agent = WIDGET_NAME.' - '.get_option('siteurl');

	$response = '';

	if($snoop->fetchtext($link)){

		if (strpos($snoop->response_code, '200')) {

			$response_json = $snoop->results;

			$response = networkpub_json_decode($response_json);

		}

	}

	if (!$response) {

		return FALSE;

	}

	if ($response->errorCode > 0) {

		return FALSE;

	}

	$options = get_option(WIDGET_NAME_INTERNAL);

	if(empty($options['api_key'])) {

		$options['api_key'] = $api_key;	

	} else {

		$options_array = explode(',', $options['api_key']);

		if(!in_array($api_key, $options_array)) {

			$options['api_key'] = $options['api_key'].','.$api_key;	

		}

	}

	$options['id'] = $response->results->id; 

	update_option(WIDGET_NAME_INTERNAL, $options);

	return TRUE;	

}

function networkpub_load() {

	$options = get_option(WIDGET_NAME_INTERNAL);

	if (empty($options['api_key'])) {

		$html = '<div>You have not added any API Key</div>';

		return $html;

	}

	$link = 'http://www.linksalpha.com/a/networkpubget?key='.$options['api_key'];

	require_once(ABSPATH.WPINC.'/class-snoopy.php');

	$snoop = new Snoopy;

	$snoop->agent = WIDGET_NAME.' - '.get_option('siteurl');

	$response = '';

	if($snoop->fetchtext($link)){

		if (strpos($snoop->response_code, '200')) {

			$response_json = $snoop->results;

			$response = networkpub_json_decode($response_json);

		}

	}

	if (!$response) {

		$html = '<div>Error occured while trying to load the API Keys. Please try again later.</div>';

		return $html;

	}

	if($response->errorCode > 0) {

		$html = '<div>Error occured while trying to load the API Keys. Please try again later.</div>';

		return $html;

	}

	$html = '<div style="padding-bottom:10px;">You are currently Publishing your Blog to '.count($response->results).' Social Networks</div>';

	$html .= '<table class="networkpub_added"><tr><th>API Key</th><th>Network</th><th>Option</th></tr>';

	foreach($response->results as $row) {

		$html .= '<tr id="r_key_'.$row->api_key.'">';

		switch($row->type) {

			case 'twitter':

				$html  .= '<td>'.$row->api_key.'</td><td>Twitter Account - <a target="_blank" href="http://twitter.com/'.$row->short_name.'">'.$row->name.'</a></td>';

				break;

			case 'fb_page':

				$html  .= '<td>'.$row->api_key.'</td><td>Facebook Page - <a target="_blank" href="'.$row->page_url.'">'.$row->name.'</a></td>';

				break;

			case 'fb_wall':

				$html  .= '<td>'.$row->api_key.'</td><td><a target="_blank" href="http://www.facebook.com/profile.php?id='.$row->id.'">'.$row->name.'</a></td>';

				break;	

			case 'myspace':

				$html  .= '<td>'.$row->api_key.'</td><td>MySpace Account - <a target="_blank" href="'.$row->page_url.'">'.$row->name.'</a></td>';

				break;	

			case 'linkedin':

				$html  .= '<td>'.$row->api_key.'</td><td>LinkedIn Account - <a target="_blank" href="'.$row->page_url.'">'.$row->name.'</a></td>';

				break;

			case 'yammer':

				$html  .= '<td>'.$row->api_key.'</td><td>Yammer Account - <a target="_blank" href="'.$row->page_url.'">'.$row->name.'</a></td>';

				break;	

		}

		$html .= '<td><a href="#" id="key_'.$row->api_key.'" class="networkpubre">Remove</a></td></tr>';

	}

	$html .= '</table>';

	return $html;

}

function networkpub_remove() {

	$options = get_option(WIDGET_NAME_INTERNAL);

	if (!empty($_POST['key'])) {

		$key_full = $_POST['key'];

		$key_only = substr($key_full, 4);

		$api_key = $options['api_key'];

		$api_key_array = explode(',', $api_key);

		$loc = array_search($key_only, $api_key_array);

		if($loc !== FALSE) {

			unset($api_key_array[$loc]);

		}

		$api_key = implode(",", $api_key_array);

		$options['api_key'] = $api_key;

		update_option(WIDGET_NAME_INTERNAL, $options);

		$link = 'http://www.linksalpha.com/a/networkpubremove?id='.$options['id'].'&key='.$key_only;

		require_once(ABSPATH.WPINC.'/class-snoopy.php');

		$snoop = new Snoopy;

		$snoop->agent = WIDGET_NAME.' - '.get_option('siteurl');

		$response = '';

		$snoop->fetchtext($link);	

		echo $key_full;

		return;

	}

}

function networkpub_json_decode($str) {

	if (function_exists("json_decode")) {

	    return json_decode($str);

	} else {

		if (!class_exists('Services_JSON')) {

			require_once("JSON.php");

		}

	    $json = new Services_JSON();

	    return $json->decode($str);

	}

}

?>