<?php /** * Name: Libravatar Support * Description: If there is no avatar image for a new user or contact this plugin 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> */ /** * Installs the plugin hook */ function libravatar_install() { if (! version_compare(PHP_VERSION, '5.3.0', '>=')) { info(t('Could NOT install Libravatar successfully.<br>It requires PHP >= 5.3') .EOL); // avoid registering the hook return false; } register_hook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup'); logger("registered libravatar in avatar_lookup hook"); } /** * Removes the plugin hook */ function libravatar_uninstall() { unregister_hook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup'); logger("unregistered libravatar in avatar_lookup hook"); } /** * Looks up the avatar at Libravatar and returns the URL. * * @param $a array * @param &$b array */ function libravatar_lookup($a, &$b) { $default_avatar = get_config('libravatar', 'default_img'); if (! $default_avatar) { // if not set, look up if there was one from the gravatar addon $default_avatar = get_config('gravatar', 'default_img'); // 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; $b['success'] = true; } /** * Display admin settings for this addon */ function libravatar_plugin_admin (&$a, &$o) { $t = get_markup_template( "admin.tpl", "addon/libravatar" ); $default_avatar = get_config('libravatar', 'default_img'); // 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 = 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'), ); // Show warning if PHP version is too old if (! version_compare(PHP_VERSION, '5.3.0', '>=')) { $o = '<h5>' .t('Warning') .'</h5><p>'; $o .= sprintf(t('Your PHP version %s is lower than the required PHP >= 5.3.'), PHP_VERSION); $o .= '<br>' .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 $r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1", dbesc('gravatar') ); if (count($r)) { $o = '<h5>' .t('Information') .'</h5><p>' .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="' .get_form_security_token("libravatarsave") .'">'; $o .= replace_macros( $t, array( '$submit' => t('Save Settings'), '$default_avatar' => array('avatar', t('Default avatar image'), $default_avatar, t('Select default avatar image if none was found. See README'), $default_avatars), )); } /** * Save admin settings */ function libravatar_plugin_admin_post (&$a) { check_form_security_token('libravatarrsave'); $default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon'); set_config('libravatar', 'default_img', $default_avatar); info(t('Libravatar settings updated.') .EOL); } ?>