* add basic OpenGraph support. See http://www.elkarte.net/community/i…

…ndex.php?topic=3015

sources/controllers/Display.controller.php

@@ -654,6 +654,9 @@ public function action_display()
 			$this->_template_layers->add('quickreply');
 		$this->_template_layers->add('pages_and_buttons');
 
+		// Give social networks some more info about the page
+		$this->openGraphHeaders();
+
 		// Allow adding new buttons easily.
 		call_integration_hook('integrate_display_buttons');
 		call_integration_hook('integrate_mod_buttons');
@@ -880,4 +883,16 @@ public function prepareDisplayContext_callback($reset = false)
 
 		return $output;
 	}
+
+	public function openGraphHeaders()
+	{
+		global $context;
+
+		$context['html_headers'] .= '
+			<meta property="og:url" content="' . $context['canonical_url'] . '" />
+			<meta property="og:sitename" content="' . $context['forum_name'] . '" />
+			<meta property="og:type" content="article" />
+			<meta property="og:title" content="' . $context['page_title'] . '" />
+		';
+	}
 }

sources/controllers/Profile.controller.php

@@ -187,6 +187,8 @@ public function action_index()
 		// Set the page title if it's not already set...
 		if (!isset($context['page_title']))
 			$context['page_title'] = $txt['profile'] . (isset($txt[$this->_current_area]) ? ' - ' . $txt[$this->_current_area] : '');
+
+		$this->openGraphHeaders();
 	}
 
 	/**
@@ -786,4 +788,18 @@ private function _check_password($check_password)
 			}
 		}
 	}
+
+
+	public function openGraphHeaders()
+	{
+		global $context;
+
+		$context['html_headers'] .= '
+			<meta property="og:url" content="' . $context['canonical_url'] . '" />
+			<meta property="og:sitename" content="' . $context['forum_name'] . '" />
+			<meta property="og:type" content="article" />
+			<meta property="og:title" content="' . $context['page_title'] . '" />
+			<meta property="og:image" content="' . $context['member']['avatar']['href'] . '" />
+		';
+	}
 }