Version 4.0.13.1

system/Content/ShareServices/Facebook.php

@@ -0,0 +1,133 @@
+<?php
+/**
+ * @brief		Facebook share link
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @since		11 Sept 2013
+ * @version		SVN_VERSION_NUMBER
+ * @see			<a href='https://developers.facebook.com/docs/reference/plugins/like/'>Facebook like button documentation</a>
+ */
+
+namespace IPS\Content\ShareServices;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * Facebook share link
+ */
+class _Facebook
+{
+	/**
+	 * @brief	URL to the content item
+	 */
+	protected $url		= NULL;
+	
+	/**
+	 * @brief	Title of the content item
+	 */
+	protected $title	= NULL;
+		
+	/**
+	 * Constructor
+	 *
+	 * @param	\IPS\Http\Url	$url	URL to the content [optional - if omitted, some services will figure out on their own]
+	 * @param	string			$title	Default text for the content, usually the title [optional - if omitted, some services will figure out on their own]
+	 * @return	void
+	 */
+	public function __construct( \IPS\Http\Url $url=NULL, $title=NULL )
+	{
+		$this->url		= $url;
+		$this->title	= $title;
+	}
+	
+	/**
+	 * Determine whether the logged in user has the ability to autoshare
+	 *
+	 * @return	boolean
+	 */
+	public static function canAutoshare()
+	{
+		return (boolean) \IPS\Member::loggedIn()->fb_token AND \IPS\Member::loggedIn()->fb_uid;
+	}
+	
+	/**
+	 * Publish text or a URL to this service
+	 *
+	 * @param	string	$content	Text to publish
+	 * @param	string	$url		[URL to publish]
+	 * @return	@void
+	 */
+	public static function publish( $content, $url=null )
+	{
+		if ( static::canAutoshare() )
+		{
+			try
+			{
+				/* If we include a URL, we'll post it as a link to the wall, otherwise we'll just update the user's status */
+				if ( $url !== NULL )
+				{
+					$response = \IPS\Http\Url::external( "https://graph.facebook.com/" . \IPS\Member::loggedIn()->fb_uid . "/links" )->request()->post( array(
+						'message'		=> $content,
+						'link'			=> (string) $url,
+						'access_token'	=> \IPS\Member::loggedIn()->fb_token,
+					) )->decodeJson();
+					
+					if ( ! isset( $response['id'] ) )
+					{
+						throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('facebook_publish_exception') );
+					} 
+				}
+				else
+				{
+					$response = \IPS\Http\Url::external( "https://graph.facebook.com/" . \IPS\Member::loggedIn()->fb_uid . "/feed" )->request()->post( array(
+						'message'		=> $content,
+						'access_token'	=> \IPS\Member::loggedIn()->fb_token,
+					) )->decodeJson();
+						
+					if ( ! isset( $response['id'] ) )
+					{
+						throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('facebook_publish_exception') );
+					}
+				}
+			}
+			catch( \IPS\Http\Request\Exception $e )
+			{
+				IPS\Log::i( LOG_WARNING )->write( \IPS\Member::loggedIn()->id . ': '. $e->getMessage(), 'facebook' );
+				
+				throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('facebook_publish_exception') );
+			}
+		}
+		else
+		{
+			throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('facebook_publish_no_user') );
+		}
+	}
+	
+	/**
+	 * Add any additional form elements to the configuration form. These must be setting keys that the service configuration form can save as a setting.
+	 *
+	 * @param	\IPS\Helpers\Form	$form	Configuration form for this service
+	 * @return	void
+	 */
+	public static function modifyForm( \IPS\Helpers\Form &$form )
+	{
+		$form->add( new \IPS\Helpers\Form\Select( 'fbc_bot_group', \IPS\Settings::i()->fbc_bot_group, TRUE, array( 'options' => array_combine( array_keys( \IPS\Member\Group::groups() ), array_map( function( $_group ) { return (string) $_group; }, \IPS\Member\Group::groups() ) ) ) ) );
+	}
+
+	/**
+	 * Return the HTML code to show the share link
+	 *
+	 * @return	string
+	 */
+	public function __toString()
+	{
+		return \IPS\Theme::i()->getTemplate( 'sharelinks', 'core' )->facebook( urlencode( $this->url ) );
+	}
+}