friendica-addons/gravatar/gravatar.php
Klaus Weidenbach 1aaecea8db Add check if libravatar addon is enabled, too.
Added a check to gravatar if the libravatar addon is also enabled.
Only one of these two addons should be anabled and libravatar will fall back to gravatar if it found nothing at libravatar.
2012-07-14 21:11:43 +02:00

114 lines
3.6 KiB
PHP

<?php
/**
* Name: Gravatar Support
* Description: If there is no avatar image for a new user or contact this plugin will look for one at Gravatar.
* Version: 1.1
* Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
*/
/**
* Installs the plugin hook
*/
function gravatar_install() {
register_hook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
logger("registered gravatar in avatar_lookup hook");
}
/**
* Removes the plugin hook
*/
function gravatar_uninstall() {
unregister_hook('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 = get_config('gravatar', 'default_img');
$rating = get_config('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'])));
$url = 'http://www.gravatar.com/avatar/' .$hash .'.jpg';
$url .= '?s=' .$b['size'] .'&r=' .$rating;
if ($default_avatar != "gravatar")
$url .= '&d=' .$default_avatar;
$b['url'] = $url;
$b['success'] = true;
}
/**
* Display admin settings for this addon
*/
function gravatar_plugin_admin (&$a, &$o) {
$t = file_get_contents( dirname(__file__)."/admin.tpl");
$default_avatar = get_config('gravatar', 'default_img');
$rating = get_config('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 = array(
'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 = array(
'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 = '<h5>' .t('Information') .'</h5><p>' .t('Libravatar addon is installed, too. Please disable Libravatar addon or this Gravatar addon.<br>The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.') .'</p><br><br>';
}
// output Gravatar settings
$o .= '<input type="hidden" name="form_security_token" value="' .get_form_security_token("gravatarsave") .'">';
$o .= replace_macros( $t, array(
'$submit' => t('Submit'),
'$default_avatar' => array('avatar', t('Default avatar image'), $default_avatar, t('Select default avatar image if none was found at Gravatar. See README'), $default_avatars),
'$rating' => array('rating', t('Rating of images'), $rating, t('Select the appropriate avatar rating for your site. See README'), $ratings),
));
}
/**
* Save admin settings
*/
function gravatar_plugin_admin_post (&$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');
set_config('gravatar', 'default_img', $default_avatar);
set_config('gravatar', 'rating', $rating);
info( t('Gravatar settings updated.') .EOL);
}
?>