Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
/**
* Name: Libravatar Support
* Description: If there is no avatar image for a new user or contact this addon will look for one at Libravatar. Please disable Gravatar addon if you use this one. (requires PHP >= 5.3)
* Version: 1.1
* Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
*/
use Friendica\App;
use Friendica\BaseModule;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Database\DBA;
use Friendica\Util\Security;
/**
* Installs the addon hook
*/
function libravatar_install()
{
Addon::registerHook('load_config', 'addon/libravatar/libravatar.php', 'libravatar_load_config');
Addon::registerHook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
logger("registered libravatar in avatar_lookup hook");
}
/**
* Removes the addon hook
*/
function libravatar_uninstall()
{
Addon::unregisterHook('load_config', 'addon/libravatar/libravatar.php', 'libravatar_load_config');
Addon::unregisterHook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
logger("unregistered libravatar in avatar_lookup hook");
}
function libravatar_load_config(App $a)
{
$a->loadConfigFile(__DIR__. '/config/libravatar.ini.php');
}
/**
* Looks up the avatar at Libravatar and returns the URL.
*
* @param $a array
* @param &$b array
*/
function libravatar_lookup($a, &$b)
{
$default_avatar = Config::get('libravatar', 'default_avatar');
if (! $default_avatar) {
// if not set, look up if there was one from the gravatar addon
$default_avatar = Config::get('gravatar', 'default_avatar');
// setting default avatar if nothing configured
if (!$default_avatar) {
$default_avatar = 'identicon'; // default image will be a random pattern
}
}
require_once 'Services/Libravatar.php';
$libravatar = new Services_Libravatar();
$libravatar->setSize($b['size']);
$libravatar->setDefault($default_avatar);
$avatar_url = $libravatar->getUrl($b['email']);
$b['url'] = $avatar_url;
$b['success'] = true;
}
/**
* Display admin settings for this addon
*/
function libravatar_addon_admin(&$a, &$o)
{
$t = get_markup_template("admin.tpl", "addon/libravatar");
$default_avatar = Config::get('libravatar', 'default_avatar');
// set default values for first configuration
if (!$default_avatar) {
$default_avatar = 'identicon'; // pseudo-random geometric pattern based on email hash
}
// Available options for the select boxes
$default_avatars = [
'mm' => L10n::t('generic profile image'),
'identicon' => L10n::t('random geometric pattern'),
'monsterid' => L10n::t('monster face'),
'wavatar' => L10n::t('computer generated face'),
'retro' => L10n::t('retro arcade style face'),
];
// Show warning if PHP version is too old
if (! version_compare(PHP_VERSION, '5.3.0', '>=')) {
$o = '<h5>' .L10n::t('Warning') .'</h5><p>';
$o .= L10n::t('Your PHP version %s is lower than the required PHP >= 5.3.', PHP_VERSION);
$o .= '<br>' .L10n::t('This addon is not functional on your server.') .'<p><br>';
return;
}
// Libravatar falls back to gravatar, so show warning about gravatar addon if enabled
$r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1",
DBA::escape('gravatar')
);
if (count($r)) {
$o = '<h5>' .L10n::t('Information') .'</h5><p>' .L10n::t('Gravatar addon is installed. Please disable the Gravatar addon.<br>The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.') .'</p><br><br>';
}
// output Libravatar settings
$o .= '<input type="hidden" name="form_security_token" value="' . BaseModule::getFormSecurityToken("libravatarsave") .'">';
$o .= replace_macros( $t, [
'$submit' => L10n::t('Save Settings'),
'$default_avatar' => ['avatar', L10n::t('Default avatar image'), $default_avatar, L10n::t('Select default avatar image if none was found. See README'), $default_avatars],
]);
}
/**
* Save admin settings
*/
function libravatar_addon_admin_post(&$a)
{
BaseModule::checkFormSecurityToken('libravatarrsave');
$default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon');
Config::set('libravatar', 'default_avatar', $default_avatar);
info(L10n::t('Libravatar settings updated.') .EOL);
}