1 files changed, 174 insertions, 0 deletions
diff --git a/phpBB/phpbb/avatar/driver/gravatar.php b/phpBB/phpbb/avatar/driver/gravatar.php
new file mode 100644
index 0000000000..3ad783932e
--- /dev/null
+++ b/phpBB/phpbb/avatar/driver/gravatar.php
@@ -0,0 +1,174 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\avatar\driver;
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Handles avatars hosted at gravatar.com
+* @package phpBB3
+*/
+class gravatar extends \phpbb\avatar\driver\driver
+{
+	/**
+	* The URL for the gravatar service
+	*/
+	const GRAVATAR_URL = '//secure.gravatar.com/avatar/';
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_data($row)
+	{
+		return array(
+			'src' => $row['avatar'],
+			'width' => $row['avatar_width'],
+			'height' => $row['avatar_height'],
+		);
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_custom_html($user, $row, $alt = '')
+	{
+		return '<img src="' . $this->get_gravatar_url($row) . '" ' .
+			($row['avatar_width'] ? ('width="' . $row['avatar_width'] . '" ') : '') .
+			($row['avatar_height'] ? ('height="' . $row['avatar_height'] . '" ') : '') .
+			'alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />';
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function prepare_form($request, $template, $user, $row, &$error)
+	{
+		$template->assign_vars(array(
+			'AVATAR_GRAVATAR_WIDTH' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_gravatar_width', 0),
+			'AVATAR_GRAVATAR_HEIGHT' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_gravatar_width', 0),
+			'AVATAR_GRAVATAR_EMAIL' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar']) ? $row['avatar'] : '',
+		));
+
+		return true;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function process_form($request, $template, $user, $row, &$error)
+	{
+		$row['avatar'] = $request->variable('avatar_gravatar_email', '');
+		$row['avatar_width'] = $request->variable('avatar_gravatar_width', 0);
+		$row['avatar_height'] = $request->variable('avatar_gravatar_height', 0);
+
+		if (!function_exists('validate_data'))
+		{
+			require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
+		}
+
+		$validate_array = validate_data(
+			array(
+				'email' => $row['avatar'],
+			),
+			array(
+				'email' => array(
+					array('string', false, 6, 60),
+					array('email'))
+			)
+		);
+
+		$error = array_merge($error, $validate_array);
+
+		if (!empty($error))
+		{
+			return false;
+		}
+
+		// Make sure getimagesize works...
+		if (function_exists('getimagesize') && ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0))
+		{
+			/**
+			* default to the minimum of the maximum allowed avatar size if the size
+			* is not or only partially entered
+			*/
+			$row['avatar_width'] = $row['avatar_height'] = min($this->config['avatar_max_width'], $this->config['avatar_max_height']);
+			$url = $this->get_gravatar_url($row);
+
+			if (($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) && (($image_data = getimagesize($url)) === false))
+			{
+				$error[] = 'UNABLE_GET_IMAGE_SIZE';
+				return false;
+			}
+
+			if (!empty($image_data) && ($image_data[0] <= 0 || $image_data[1] <= 0))
+			{
+				$error[] = 'AVATAR_NO_SIZE';
+				return false;
+			}
+
+			$row['avatar_width'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_width'] : $image_data[0];
+			$row['avatar_height'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_height'] : $image_data[1];
+		}
+
+		if ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0)
+		{
+			$error[] = 'AVATAR_NO_SIZE';
+			return false;
+		}
+
+		if ($this->config['avatar_max_width'] || $this->config['avatar_max_height'])
+		{
+			if ($row['avatar_width'] > $this->config['avatar_max_width'] || $row['avatar_height'] > $this->config['avatar_max_height'])
+			{
+				$error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']);
+				return false;
+			}
+		}
+
+		if ($this->config['avatar_min_width'] || $this->config['avatar_min_height'])
+		{
+			if ($row['avatar_width'] < $this->config['avatar_min_width'] || $row['avatar_height'] < $this->config['avatar_min_height'])
+			{
+				$error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']);
+				return false;
+			}
+		}
+
+		return array(
+			'avatar' => $row['avatar'],
+			'avatar_width' => $row['avatar_width'],
+			'avatar_height' => $row['avatar_height'],
+		);
+	}
+
+	/**
+	* Build gravatar URL for output on page
+	*
+	* @return string Gravatar URL
+	*/
+	protected function get_gravatar_url($row)
+	{
+		$url = self::GRAVATAR_URL;
+		$url .=  md5(strtolower(trim($row['avatar'])));
+
+		if ($row['avatar_width'] || $row['avatar_height'])
+		{
+			$url .= '?s=' . max($row['avatar_width'], $row['avatar_height']);
+		}
+
+		return $url;
+	}
+}