permissions responder + upstream merge

3 files changed, 837 insertions, 0 deletions

diff --git a/object/BaseObject.php b/object/BaseObject.php
new file mode 100644
index 000000000..14f0d8fd0
--- /dev/null
+++ b/object/BaseObject.php
@@ -0,0 +1,37 @@
+<?php
+if(class_exists('BaseObject'))
+	return;
+
+require_once('boot.php');
+
+/**
+ * Basic object
+ *
+ * Contains what is usefull to any object
+ */
+class BaseObject {
+	private static $app = null;
+
+	/**
+	 * Get the app
+	 * 
+	 * Same as get_app from boot.php
+	 */
+	public function get_app() {
+		if(self::$app)
+			return self::$app;
+
+		global $a;
+		self::$app = $a;
+
+		return self::$app;
+	}
+
+	/**
+	 * Set the app
+	 */
+	public static function set_app($app) {
+		self::$app = $app;
+	}
+}
+?>
diff --git a/object/Conversation.php b/object/Conversation.php
new file mode 100644
index 000000000..8b838f7d0
--- /dev/null
+++ b/object/Conversation.php
@@ -0,0 +1,162 @@
+<?php
+if(class_exists('Conversation'))
+	return;
+
+require_once('boot.php');
+require_once('object/BaseObject.php');
+require_once('object/Item.php');
+require_once('include/text.php');
+
+/**
+ * A list of threads
+ *
+ * We should think about making this a SPL Iterator
+ */
+class Conversation extends BaseObject {
+	private $threads = array();
+	private $mode = null;
+	private $writable = false;
+	private $profile_owner = 0;
+	private $preview = false;
+
+	public function __construct($mode, $preview) {
+		$this->set_mode($mode);
+		$this->preview = $preview;
+	}
+
+	/**
+	 * Set the mode we'll be displayed on
+	 */
+	private function set_mode($mode) {
+		if($this->get_mode() == $mode)
+			return;
+
+		$a = $this->get_app();
+
+		switch($mode) {
+			case 'network':
+			case 'notes':
+				$this->profile_owner = local_user();
+				$this->writable = true;
+				break;
+			case 'profile':
+				$this->profile_owner = $a->profile['profile_uid'];
+				$this->writable = can_write_wall($a,$this->profile_owner);
+				break;
+			case 'display':
+				$this->profile_owner = $a->profile['uid'];
+				$this->writable = can_write_wall($a,$this->profile_owner);
+				break;
+			default:
+				logger('[ERROR] Conversation::set_mode : Unhandled mode ('. $mode .').', LOGGER_DEBUG);
+				return false;
+				break;
+		}
+		$this->mode = $mode;
+	}
+
+	/**
+	 * Get mode
+	 */
+	public function get_mode() {
+		return $this->mode;
+	}
+
+	/**
+	 * Check if page is writable
+	 */
+	public function is_writable() {
+		return $this->writable;
+	}
+
+	/**
+	 * Check if page is a preview
+	 */
+	public function is_preview() {
+		return $this->preview;
+	}
+
+	/**
+	 * Get profile owner
+	 */
+	public function get_profile_owner() {
+		return $this->profile_owner;
+	}
+
+	/**
+	 * Add a thread to the conversation
+	 *
+	 * Returns:
+	 *      _ The inserted item on success
+	 *      _ false on failure
+	 */
+	public function add_thread($item) {
+		$item_id = $item->get_id();
+		if(!$item_id) {
+			logger('[ERROR] Conversation::add_thread : Item has no ID!!', LOGGER_DEBUG);
+			return false;
+		}
+		if($this->get_thread($item->get_id())) {
+			logger('[WARN] Conversation::add_thread : Thread already exists ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+
+		/*
+		 * Only add will be displayed
+		 */
+		if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid')) {
+			logger('[WARN] Conversation::add_thread : Thread is a mail ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		if($item->get_data_value('verb') === ACTIVITY_LIKE || $item->get_data_value('verb') === ACTIVITY_DISLIKE) {
+			logger('[WARN] Conversation::add_thread : Thread is a (dis)like ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		$item->set_conversation($this);
+		$this->threads[] = $item;
+		return end($this->threads);
+	}
+
+	/**
+	 * Get data in a form usable by a conversation template
+	 *
+	 * We should find a way to avoid using those arguments (at least most of them)
+	 *
+	 * Returns:
+	 *      _ The data requested on success
+	 *      _ false on failure
+	 */
+	public function get_template_data($alike, $dlike) {
+		$result = array();
+
+		foreach($this->threads as $item) {
+			if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid'))
+				continue;
+			$item_data = $item->get_template_data($alike, $dlike);
+			if(!$item_data) {
+				logger('[ERROR] Conversation::get_template_data : Failed to get item template data ('. $item->get_id() .').', LOGGER_DEBUG);
+				return false;
+			}
+			$result[] = $item_data;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get a thread based on its item id
+	 *
+	 * Returns:
+	 *      _ The found item on success
+	 *      _ false on failure
+	 */
+	private function get_thread($id) {
+		foreach($this->threads as $item) {
+			if($item->get_id() == $id)
+				return $item;
+		}
+
+		return false;
+	}
+}
+?>
diff --git a/object/Item.php b/object/Item.php
new file mode 100644
index 000000000..7fa3fed2d
--- /dev/null
+++ b/object/Item.php
@@ -0,0 +1,638 @@
+<?php
+if(class_exists('Item'))
+	return;
+
+require_once('object/BaseObject.php');
+require_once('include/text.php');
+require_once('boot.php');
+
+/**
+ * An item
+ */
+class Item extends BaseObject {
+	private $data = array();
+	private $template = null;
+	private $available_templates = array(
+		'wall' => 'wall_thread.tpl',
+		'wall2wall' => 'wallwall_thread.tpl'
+	);
+	private $comment_box_template = 'comment_item.tpl';
+	private $toplevel = false;
+	private $writable = false;
+	private $children = array();
+	private $parent = null;
+	private $conversation = null;
+	private $redirect_url = null;
+	private $owner_url = '';
+	private $owner_photo = '';
+	private $owner_name = '';
+	private $wall_to_wall = false;
+	private $threaded = false;
+	private $visiting = false;
+
+	public function __construct($data) {
+		$a = $this->get_app();
+		
+		$this->data = $data;
+		$this->set_template('wall');
+		$this->toplevel = ($this->get_id() == $this->get_data_value('parent'));
+
+		if(is_array($_SESSION['remote'])) {
+			foreach($_SESSION['remote'] as $visitor) {
+				if($visitor['cid'] == $this->get_data_value('contact-id')) {
+					$this->visiting = true;
+					break;
+				}
+			}
+		}
+		
+		$this->writable = ($this->get_data_value('writable') || $this->get_data_value('self'));
+
+		$ssl_state = ((local_user()) ? true : false);
+		$this->redirect_url = $a->get_baseurl($ssl_state) . '/redir/' . $this->get_data_value('cid') ;
+
+		if(get_config('system','thread_allow') && $a->theme_thread_allow && !$this->is_toplevel())
+			$this->threaded = true;
+
+		// Prepare the children
+		if(count($data['children'])) {
+			foreach($data['children'] as $item) {
+				/*
+				 * Only add will be displayed
+				 */
+				if($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
+					continue;
+				}
+				if($item['verb'] === ACTIVITY_LIKE || $item['verb'] === ACTIVITY_DISLIKE) {
+					continue;
+				}
+				$child = new Item($item);
+				$this->add_child($child);
+			}
+		}
+	}
+
+	/**
+	 * Get data in a form usable by a conversation template
+	 *
+	 * Returns:
+	 *      _ The data requested on success
+	 *      _ false on failure
+	 */
+	public function get_template_data($alike, $dlike, $thread_level=1) {
+		$result = array();
+
+		$a = $this->get_app();
+
+		$item = $this->get_data();
+
+		$commentww = '';
+		$sparkle = '';
+		$buttons = '';
+		$dropping = false;
+		$star = false;
+		$isstarred = "unstarred";
+		$indent = '';
+		$osparkle = '';
+		$total_children = $this->count_descendants();
+
+		$conv = $this->get_conversation();
+
+		$lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid']) 
+			|| strlen($item['deny_cid']) || strlen($item['deny_gid']))))
+			? t('Private Message')
+			: false);
+		$shareable = ((($conv->get_profile_owner() == local_user()) && ($item['private'] != 1)) ? true : false);
+		if(local_user() && link_compare($a->contact['url'],$item['author-link']))
+			$edpost = array($a->get_baseurl($ssl_state)."/editpost/".$item['id'], t("Edit"));
+		else
+			$edpost = false;
+		if(($this->get_data_value('uid') == local_user()) || $this->is_visiting())
+			$dropping = true;
+
+		$drop = array(
+			'dropping' => $dropping,
+			'select' => t('Select'), 
+			'delete' => t('Delete'),
+		);
+		
+		$filer = (($conv->get_profile_owner() == local_user()) ? t("save to folder") : false);
+
+		$diff_author    = ((link_compare($item['url'],$item['author-link'])) ? false : true);
+		$profile_name   = (((strlen($item['author-name']))   && $diff_author) ? $item['author-name']   : $item['name']);
+		if($item['author-link'] && (! $item['author-name']))
+			$profile_name = $item['author-link'];
+
+		$sp = false;
+		$profile_link = best_link_url($item,$sp);
+		if($profile_link === 'mailbox')
+			$profile_link = '';
+		if($sp)
+			$sparkle = ' sparkle';
+		else
+			$profile_link = zrl($profile_link);                 
+
+		$normalised = normalise_link((strlen($item['author-link'])) ? $item['author-link'] : $item['url']);
+		if(($normalised != 'mailbox') && (x($a->contacts,$normalised)))
+			$profile_avatar = $a->contacts[$normalised]['thumb'];
+		else
+			$profile_avatar = (((strlen($item['author-avatar'])) && $diff_author) ? $item['author-avatar'] : $a->get_cached_avatar_image($this->get_data_value('thumb')));
+
+		$locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
+		call_hooks('render_location',$locate);
+		$location = ((strlen($locate['html'])) ? $locate['html'] : render_location_google($locate));
+
+		$tags=array();
+		foreach(explode(',',$item['tag']) as $tag){
+			$tag = trim($tag);
+			if ($tag!="") $tags[] = bbcode($tag);
+		}
+
+		$like    = ((x($alike,$item['uri'])) ? format_like($alike[$item['uri']],$alike[$item['uri'] . '-l'],'like',$item['uri']) : '');
+		$dislike = ((x($dlike,$item['uri'])) ? format_like($dlike[$item['uri']],$dlike[$item['uri'] . '-l'],'dislike',$item['uri']) : '');
+
+		/*
+		 * We should avoid doing this all the time, but it depends on the conversation mode
+		 * And the conv mode may change when we change the conv, or it changes its mode
+		 * Maybe we should establish a way to be notified about conversation changes
+		 */
+		$this->check_wall_to_wall();
+		
+		if($this->is_wall_to_wall() && ($this->get_owner_url() == $this->get_redirect_url()))
+			$osparkle = ' sparkle';
+		
+		if($this->is_toplevel()) {
+			if($conv->get_profile_owner() == local_user()) {
+				$isstarred = (($item['starred']) ? "starred" : "unstarred");
+
+				$star = array(
+					'do' => t("add star"),
+					'undo' => t("remove star"),
+					'toggle' => t("toggle star status"),
+					'classdo' => (($item['starred']) ? "hidden" : ""),
+					'classundo' => (($item['starred']) ? "" : "hidden"),
+					'starred' =>  t('starred'),
+					'tagger' => t("add tag"),
+					'classtagger' => "",
+				);
+			}
+		} else {
+			$indent = 'comment';
+		}
+
+		if($conv->is_writable()) {
+			$buttons = array(
+				'like' => array( t("I like this \x28toggle\x29"), t("like")),
+				'dislike' => array( t("I don't like this \x28toggle\x29"), t("dislike")),
+			);
+			if ($shareable) $buttons['share'] = array( t('Share this'), t('share'));
+		}
+
+		if(strcmp(datetime_convert('UTC','UTC',$item['created']),datetime_convert('UTC','UTC','now - 12 hours')) > 0)
+			$indent .= ' shiny';
+
+		localize_item($item);
+
+		$body = prepare_body($item,true);
+
+		$tmp_item = array(
+			'template' => $this->get_template(),
+			
+			'type' => implode("",array_slice(explode("/",$item['verb']),-1)),
+			'tags' => $tags,
+			'body' => template_escape($body),
+			'text' => strip_tags(template_escape($body)),
+			'id' => $this->get_id(),
+			'linktitle' => sprintf( t('View %s\'s profile @ %s'), $profile_name, ((strlen($item['author-link'])) ? $item['author-link'] : $item['url'])),
+			'olinktitle' => sprintf( t('View %s\'s profile @ %s'), $this->get_owner_name(), ((strlen($item['owner-link'])) ? $item['owner-link'] : $item['url'])),
+			'to' => t('to'),
+			'wall' => t('Wall-to-Wall'),
+			'vwall' => t('via Wall-To-Wall:'),
+			'profile_url' => $profile_link,
+			'item_photo_menu' => item_photo_menu($item),
+			'name' => template_escape($profile_name),
+			'thumb' => $profile_avatar,
+			'osparkle' => $osparkle,
+			'sparkle' => $sparkle,
+			'title' => template_escape($item['title']),
+			'localtime' => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'),
+			'ago' => (($item['app']) ? sprintf( t('%s from %s'),relative_date($item['created']),$item['app']) : relative_date($item['created'])),
+			'lock' => $lock,
+			'location' => template_escape($location),
+			'indent' => $indent,
+			'owner_url' => $this->get_owner_url(),
+			'owner_photo' => $this->get_owner_photo(),
+			'owner_name' => template_escape($this->get_owner_name()),
+			'plink' => get_plink($item),
+			'edpost' => $edpost,
+			'isstarred' => $isstarred,
+			'star' => $star,
+			'filer' => $filer,
+			'drop' => $drop,
+			'vote' => $buttons,
+			'like' => $like,
+			'dislike' => $dislike,
+			'comment' => $this->get_comment_box($indent),
+			'previewing' => ($conv->is_preview() ? ' preview ' : ''),
+			'wait' => t('Please wait'),
+			'thread_level' => $thread_level
+		);
+
+		$arr = array('item' => $item, 'output' => $tmp_item);
+		call_hooks('display_item', $arr);
+
+		$result = $arr['output'];
+
+		$result['children'] = array();
+		$children = $this->get_children();
+		$nb_children = count($children);
+		if($nb_children > 0) {
+			foreach($children as $child) {
+				$result['children'][] = $child->get_template_data($alike, $dlike, $thread_level + 1);
+			}
+			// Collapse
+			if(($nb_children > 2) || ($thread_level > 1)) {
+				$result['children'][0]['comment_firstcollapsed'] = true;
+				$result['children'][0]['num_comments'] = sprintf( tt('%d comment','%d comments',$total_children),$total_children );
+				$result['children'][0]['hide_text'] = t('show more');
+				if($thread_level > 1) {
+					$result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
+				}
+				else {
+					$result['children'][$nb_children - 3]['comment_lastcollapsed'] = true;
+				}
+			}
+		}
+		
+		$result['private'] = $item['private'];
+		$result['toplevel'] = ($this->is_toplevel() ? 'toplevel_item' : '');
+
+		if($this->is_threaded()) {
+			$result['flatten'] = false;
+			$result['threaded'] = true;
+		}
+		else {
+			$result['flatten'] = true;
+			$result['threaded'] = false;
+		}
+
+		return $result;
+	}
+	
+	public function get_id() {
+		return $this->get_data_value('id');
+	}
+
+	public function is_threaded() {
+		return $this->threaded;
+	}
+
+	/**
+	 * Add a child item
+	 */
+	public function add_child($item) {
+		$item_id = $item->get_id();
+		if(!$item_id) {
+			logger('[ERROR] Item::add_child : Item has no ID!!', LOGGER_DEBUG);
+			return false;
+		}
+		if($this->get_child($item->get_id())) {
+			logger('[WARN] Item::add_child : Item already exists ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		/*
+		 * Only add what will be displayed
+		 */
+		if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid')) {
+			logger('[WARN] Item::add_child : Item is a mail ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		if($item->get_data_value('verb') === ACTIVITY_LIKE || $item->get_data_value('verb') === ACTIVITY_DISLIKE) {
+			logger('[WARN] Item::add_child : Item is a (dis)like ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		
+		$item->set_parent($this);
+		$this->children[] = $item;
+		return end($this->children);
+	}
+
+	/**
+	 * Get a child by its ID
+	 */
+	public function get_child($id) {
+		foreach($this->get_children() as $child) {
+			if($child->get_id() == $id)
+				return $child;
+		}
+		return null;
+	}
+
+	/**
+	 * Get all ou children
+	 */
+	public function get_children() {
+		return $this->children;
+	}
+
+	/**
+	 * Set our parent
+	 */
+	protected function set_parent($item) {
+		$parent = $this->get_parent();
+		if($parent) {
+			$parent->remove_child($this);
+		}
+		$this->parent = $item;
+		$this->set_conversation($item->get_conversation());
+	}
+
+	/**
+	 * Remove our parent
+	 */
+	protected function remove_parent() {
+		$this->parent = null;
+		$this->conversation = null;
+	}
+
+	/**
+	 * Remove a child
+	 */
+	public function remove_child($item) {
+		$id = $item->get_id();
+		foreach($this->get_children() as $key => $child) {
+			if($child->get_id() == $id) {
+				$child->remove_parent();
+				unset($this->children[$key]);
+				// Reindex the array, in order to make sure there won't be any trouble on loops using count()
+				$this->children = array_values($this->children);
+				return true;
+			}
+		}
+		logger('[WARN] Item::remove_child : Item is not a child ('. $id .').', LOGGER_DEBUG);
+		return false;
+	}
+
+	/**
+	 * Get parent item
+	 */
+	protected function get_parent() {
+		return $this->parent;
+	}
+
+	/**
+	 * set conversation
+	 */
+	public function set_conversation($conv) {
+		$previous_mode = ($this->conversation ? $this->conversation->get_mode() : '');
+		
+		$this->conversation = $conv;
+
+		// Set it on our children too
+		foreach($this->get_children() as $child)
+			$child->set_conversation($conv);
+	}
+
+	/**
+	 * get conversation
+	 */
+	public function get_conversation() {
+		return $this->conversation;
+	}
+
+	/**
+	 * Get raw data
+	 *
+	 * We shouldn't need this
+	 */
+	public function get_data() {
+		return $this->data;
+	}
+
+	/**
+	 * Get a data value
+	 *
+	 * Returns:
+	 *      _ value on success
+	 *      _ false on failure
+	 */
+	public function get_data_value($name) {
+		if(!isset($this->data[$name])) {
+			logger('[ERROR] Item::get_data_value : Item has no value name "'. $name .'".', LOGGER_DEBUG);
+			return false;
+		}
+
+		return $this->data[$name];
+	}
+
+	/**
+	 * Set template
+	 */
+	private function set_template($name) {
+		if(!x($this->available_templates, $name)) {
+			logger('[ERROR] Item::set_template : Template not available ("'. $name .'").', LOGGER_DEBUG);
+			return false;
+		}
+		$this->template = $this->available_templates[$name];
+	}
+
+	/**
+	 * Get template
+	 */
+	private function get_template() {
+		return $this->template;
+	}
+
+	/**
+	 * Check if this is a toplevel post
+	 */
+	private function is_toplevel() {
+		return $this->toplevel;
+	}
+
+	/**
+	 * Check if this is writable
+	 */
+	private function is_writable() {
+		$conv = $this->get_conversation();
+
+		if($conv) {
+			// This will allow us to comment on wall-to-wall items owned by our friends
+			// and community forums even if somebody else wrote the post.
+			return ($this->writable || ($this->is_visiting() && $conv->get_mode() == 'profile'));
+		}
+		return $this->writable;
+	}
+
+	/**
+	 * Count the total of our descendants
+	 */
+	private function count_descendants() {
+		$children = $this->get_children();
+		$total = count($children);
+		if($total > 0) {
+			foreach($children as $child) {
+				$total += $child->count_descendants();
+			}
+		}
+		return $total;
+	}
+
+	/**
+	 * Get the template for the comment box
+	 */
+	private function get_comment_box_template() {
+		return $this->comment_box_template;
+	}
+
+	/**
+	 * Get the comment box
+	 *
+	 * Returns:
+	 *      _ The comment box string (empty if no comment box)
+	 *      _ false on failure
+	 */
+	private function get_comment_box($indent) {
+		if(!$this->is_toplevel() && !get_config('system','thread_allow')) {
+			return '';
+		}
+		
+		$comment_box = '';
+		$conv = $this->get_conversation();
+		$template = get_markup_template($this->get_comment_box_template());
+		$ww = '';
+		if( ($conv->get_mode() === 'network') && $this->is_wall_to_wall() )
+			$ww = 'ww';
+
+		if($conv->is_writable() && $this->is_writable()) {
+			$a = $this->get_app();
+			$qc = $qcomment =  null;
+
+			/*
+			 * Hmmm, code depending on the presence of a particular plugin?
+			 * This should be better if done by a hook
+			 */
+			if(in_array('qcomment',$a->plugins)) {
+				$qc = ((local_user()) ? get_pconfig(local_user(),'qcomment','words') : null);
+				$qcomment = (($qc) ? explode("\n",$qc) : null);
+			}
+			$comment_box = replace_macros($template,array(
+				'$return_path' => '',
+				'$threaded' => $this->is_threaded(),
+				'$jsreload' => (($conv->get_mode() === 'display') ? $_SESSION['return_url'] : ''),
+				'$type' => (($conv->get_mode() === 'profile') ? 'wall-comment' : 'net-comment'),
+				'$id' => $this->get_id(),
+				'$parent' => $this->get_id(),
+				'$qcomment' => $qcomment,
+				'$profile_uid' =>  $conv->get_profile_owner(),
+				'$mylink' => $a->contact['url'],
+				'$mytitle' => t('This is you'),
+				'$myphoto' => $a->contact['thumb'],
+				'$comment' => t('Comment'),
+				'$submit' => t('Submit'),
+				'$edbold' => t('Bold'),
+				'$editalic' => t('Italic'),
+				'$eduline' => t('Underline'),
+				'$edquote' => t('Quote'),
+				'$edcode' => t('Code'),
+				'$edimg' => t('Image'),
+				'$edurl' => t('Link'),
+				'$edvideo' => t('Video'),
+				'$preview' => t('Preview'),
+				'$indent' => $indent,
+				'$sourceapp' => t($a->sourcename),
+				'$ww' => (($conv->get_mode() === 'network') ? $ww : '')
+			));
+		}
+
+		return $comment_box;
+	}
+
+	private function get_redirect_url() {
+		return $this->redirect_url;
+	}
+
+	/**
+	 * Check if we are a wall to wall item and set the relevant properties
+	 */
+	protected function check_wall_to_wall() {
+		$a = $this->get_app();
+		$conv = $this->get_conversation();
+		$this->wall_to_wall = false;
+		
+		if($this->is_toplevel()) {
+			if( (! $this->get_data_value('self')) && ($conv->get_mode() !== 'profile')) {
+				if($this->get_data_value('wall')) {
+
+					// On the network page, I am the owner. On the display page it will be the profile owner.
+					// This will have been stored in $a->page_contact by our calling page.
+					// Put this person as the wall owner of the wall-to-wall notice.
+
+					$this->owner_url = zrl($a->page_contact['url']);
+					$this->owner_photo = $a->page_contact['thumb'];
+					$this->owner_name = $a->page_contact['name'];
+					$this->set_template('wall2wall');
+					$this->wall_to_wall = true;
+				}
+				else if($this->get_data_value('owner-link')) {
+
+					$owner_linkmatch = (($this->get_data_value('owner-link')) && link_compare($this->get_data_value('owner-link'),$this->get_data_value('author-link')));
+					$alias_linkmatch = (($this->get_data_value('alias')) && link_compare($this->get_data_value('alias'),$this->get_data_value('author-link')));
+					$owner_namematch = (($this->get_data_value('owner-name')) && $this->get_data_value('owner-name') == $this->get_data_value('author-name'));
+					if((! $owner_linkmatch) && (! $alias_linkmatch) && (! $owner_namematch)) {
+
+						// The author url doesn't match the owner (typically the contact)
+						// and also doesn't match the contact alias. 
+						// The name match is a hack to catch several weird cases where URLs are 
+						// all over the park. It can be tricked, but this prevents you from
+						// seeing "Bob Smith to Bob Smith via Wall-to-wall" and you know darn
+						// well that it's the same Bob Smith. 
+
+						// But it could be somebody else with the same name. It just isn't highly likely. 
+						
+
+						$this->owner_photo = $this->get_data_value('owner-avatar');
+						$this->owner_name = $this->get_data_value('owner-name');
+						$this->set_template('wall2wall');
+						$this->wall_to_wall = true;
+						// If it is our contact, use a friendly redirect link
+						if((link_compare($this->get_data_value('owner-link'),$this->get_data_value('url'))) 
+							&& ($this->get_data_value('network') === NETWORK_DFRN)) {
+							$this->owner_url = $this->get_redirect_url();
+						}
+						else
+							$this->owner_url = zrl($this->get_data_value('owner-link'));
+					}
+				}
+			}
+		}
+
+		if(!$this->wall_to_wall) {
+			$this->set_template('wall');
+			$this->owner_url = '';
+			$this->owner_photo = '';
+			$this->owner_name = '';
+		}
+	}
+
+	private function is_wall_to_wall() {
+		return $this->wall_to_wall;
+	}
+
+	private function get_owner_url() {
+		return $this->owner_url;
+	}
+
+	private function get_owner_photo() {
+		return $this->owner_photo;
+	}
+
+	private function get_owner_name() {
+		return $this->owner_name;
+	}
+
+	private function is_visiting() {
+		return $this->visiting;
+	}
+}
+?>