<?php /** * Name: Gravatar Support * Description: If there is no avatar image for a new user or contact this addon will look for one at Gravatar. * Version: 1.1 * Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus> */ use Friendica\Core\Addon; use Friendica\Core\Config; use Friendica\Core\L10n; /** * 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' => 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'), ]; $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 = '<h5>' .L10n::t('Information') .'</h5><p>' .L10n::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( $t, [ '$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 at Gravatar. See README'), $default_avatars], '$rating' => ['rating', L10n::t('Rating of images'), $rating, L10n::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(L10n::t('Gravatar settings updated.') .EOL); }