Version 4.0.13.1

system/Content/ShareServices/Twitter.php

@@ -0,0 +1,165 @@
+<?php
+/**
+ * @brief		Twitter 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://dev.twitter.com/docs/tweet-button'>Tweet 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;
+}
+
+/**
+ * Twitter share link
+ */
+class _Twitter
+{
+	/**
+	 * @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()->twitter_token AND \IPS\Member::loggedIn()->twitter_secret;
+	}
+	
+	/**
+	 * 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() )
+		{
+			$loginHandler = \IPS\Login\LoginAbstract::load('twitter');
+			
+			if ( isset( \IPS\Data\Store::i()->twitter_config ) AND isset( \IPS\Data\Store::i()->twitter_config['time'] ) AND ( \IPS\Data\Store::i()->twitter_config['time'] <= time() - 86400 ) )
+			{
+				$maxUrlLen = \IPS\Data\Store::i()->twitter_config['short_url_length'];
+			}
+			else
+			{
+				try
+				{
+					$response = $loginHandler->sendRequest( 'get', "https://api.twitter.com/1.1/help/configuration.json", array(), \IPS\Member::loggedIn()->twitter_token, \IPS\Member::loggedIn()->twitter_secret )->decodeJson();
+					
+					if ( isset( $response['short_url_length'] ) )
+					{
+						\IPS\Data\Store::i()->twitter_config = array_merge( $response, array( 'time' => time() ) );
+						
+						$maxUrlLen = $response['short_url_length'];
+					}
+					else
+					{
+						throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('twitter_publish_exception') );
+					}
+				}
+				catch ( \IPS\Http\Request\Exception $e )
+				{
+					\IPS\Log::i( LOG_WARNING )->write( \IPS\Member::loggedIn()->id . ': '. $e->getMessage(), 'twitter' );
+					
+					throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('twitter_publish_exception') );
+				}
+			}
+			
+			if ( $url !== null )
+			{
+				$content = mb_substr( $content, 0, ( 140 - ( $maxUrlLen + 1 ) ) ) . ' ' . $url;
+			}
+			
+			try
+			{
+				$response = $loginHandler->sendRequest( 'post', "https://api.twitter.com/1.1/statuses/update.json", array( 'status' => $content ), \IPS\Member::loggedIn()->twitter_token, \IPS\Member::loggedIn()->twitter_secret )->decodeJson();
+				
+				if ( isset( $response['id_str'] ) )
+				{
+					return $response['id_str'];
+				}
+				else
+				{
+					throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('twitter_publish_exception') );
+				}
+			}
+			catch ( \IPS\Http\Request\Exception $e )
+			{
+				\IPS\Log::i( LOG_WARNING )->write( \IPS\Member::loggedIn()->id . ': '. $e->getMessage(), 'twitter' );
+				
+				throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('twitter_publish_exception') );
+			}
+		}
+		else
+		{
+			throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack('twitter_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\Text( 'twitter_hashtag', \IPS\Settings::i()->twitter_hashtag, FALSE ) );
+	}
+
+	/**
+	 * Return the HTML code to show the share link
+	 *
+	 * @return	string
+	 */
+	public function __toString()
+	{
+		try
+		{
+			$title = $this->title ?: NULL;
+			if ( \IPS\Settings::i()->twitter_hashtag !== '')
+			{
+				$title .= ' ' . \IPS\Settings::i()->twitter_hashtag;
+			}
+			return \IPS\Theme::i()->getTemplate( 'sharelinks', 'core' )->twitter( urlencode( $this->url ), urlencode( $title ) );
+		}
+		catch ( \Exception $e )
+		{
+			\IPS\IPS::exceptionHandler( $e );
+		}
+	}
+}