*/
use Friendica\Core\Addon;
use Friendica\Core\Config;
/**
* Installs the addon hook
*/
function gravatar_install() {
Addon::registerHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
logger("registered gravatar in avatar_lookup hook");
}
/**
* Removes the addon hook
*/
function gravatar_uninstall() {
Addon::unregisterHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
logger("unregistered gravatar in avatar_lookup hook");
}
/**
* Looks up the avatar at gravatar.com and returns the URL.
*
* @param $a array
* @param &$b array
*/
function gravatar_lookup($a, &$b) {
$default_avatar = Config::get('gravatar', 'default_img');
$rating = Config::get('gravatar', 'rating');
// setting default value if nothing configured
if(! $default_avatar)
$default_avatar = 'identicon'; // default image will be a random pattern
if(! $rating)
$rating = 'g'; // suitable for display on all websites with any audience type
$hash = md5(trim(strtolower($b['email'])));
$url = 'https://secure.gravatar.com/avatar/' .$hash .'.jpg';
$url .= '?s=' .$b['size'] .'&r=' .$rating;
if ($default_avatar != "gravatar")
$url .= '&d=' .$default_avatar;
$b['url'] = $url;
$b['success'] = true;
}
/**
* Display admin settings for this addon
*/
function gravatar_addon_admin (&$a, &$o) {
$t = get_markup_template( "admin.tpl", "addon/gravatar/" );
$default_avatar = Config::get('gravatar', 'default_img');
$rating = Config::get('gravatar', 'rating');
// set default values for first configuration
if(! $default_avatar)
$default_avatar = 'identicon'; // pseudo-random geometric pattern based on email hash
if(! $rating)
$rating = 'g'; // suitable for display on all websites with any audience type
// Available options for the select boxes
$default_avatars = [
'mm' => t('generic profile image'),
'identicon' => t('random geometric pattern'),
'monsterid' => t('monster face'),
'wavatar' => t('computer generated face'),
'retro' => t('retro arcade style face'),
];
$ratings = [
'g' => 'g',
'pg' => 'pg',
'r' => 'r',
'x' => 'x'
];
// Check if Libravatar is enabled and show warning
$r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1",
dbesc('libravatar')
);
if (count($r)) {
$o = '
' .t('Information') .'
' .t('Libravatar addon is installed, too. Please disable Libravatar addon or this Gravatar addon. The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.') .'
';
}
// output Gravatar settings
$o .= '';
$o .= replace_macros( $t, [
'$submit' => t('Save Settings'),
'$default_avatar' => ['avatar', t('Default avatar image'), $default_avatar, t('Select default avatar image if none was found at Gravatar. See README'), $default_avatars],
'$rating' => ['rating', t('Rating of images'), $rating, t('Select the appropriate avatar rating for your site. See README'), $ratings],
]);
}
/**
* Save admin settings
*/
function gravatar_addon_admin_post (&$a) {
check_form_security_token('gravatarsave');
$default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon');
$rating = ((x($_POST, 'rating')) ? notags(trim($_POST['rating'])) : 'g');
Config::set('gravatar', 'default_img', $default_avatar);
Config::set('gravatar', 'rating', $rating);
info( t('Gravatar settings updated.') .EOL);
}
?>