forked from friendica/friendica-addons
		
	
		
			
				
	
	
		
			131 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Name: Libravatar Support
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 * 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)
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 * Version: 1.1
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 * Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
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 */
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use Friendica\App;
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use Friendica\BaseModule;
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use Friendica\Core\Config;
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use Friendica\Core\Hook;
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use Friendica\Core\L10n;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\Database\DBA;
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use Friendica\Util\Config\ConfigFileLoader;
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use Friendica\Util\Strings;
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/**
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 * Installs the addon hook
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 */
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function libravatar_install()
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{
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	Hook::register('load_config',   'addon/libravatar/libravatar.php', 'libravatar_load_config');
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	Hook::register('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
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	Logger::log("registered libravatar in avatar_lookup hook");
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}
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/**
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 * Removes the addon hook
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 */
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function libravatar_uninstall()
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{
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	Hook::unregister('load_config',   'addon/libravatar/libravatar.php', 'libravatar_load_config');
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	Hook::unregister('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
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	Logger::log("unregistered libravatar in avatar_lookup hook");
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}
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function libravatar_load_config(App $a, ConfigFileLoader $loader)
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{
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	$a->getConfigCache()->load($loader->loadAddonConfig('libravatar'));
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}
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/**
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 * Looks up the avatar at Libravatar and returns the URL.
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 *
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 * @param $a array
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 * @param &$b array
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 */
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function libravatar_lookup($a, &$b)
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{
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	$default_avatar = Config::get('libravatar', 'default_avatar');
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	if (! $default_avatar) {
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		// if not set, look up if there was one from the gravatar addon
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		$default_avatar = Config::get('gravatar', 'default_avatar');
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		// setting default avatar if nothing configured
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		if (!$default_avatar) {
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			$default_avatar = 'identicon'; // default image will be a random pattern
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		}
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	}
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	require_once 'Services/Libravatar.php';
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	$libravatar = new Services_Libravatar();
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	$libravatar->setSize($b['size']);
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	$libravatar->setDefault($default_avatar);
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	$avatar_url = $libravatar->getUrl($b['email']);
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	$b['url'] = $avatar_url;
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	$b['success'] = true;
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}
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/**
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 * Display admin settings for this addon
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 */
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function libravatar_addon_admin(&$a, &$o)
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{
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	$t = Renderer::getMarkupTemplate("admin.tpl", "addon/libravatar");
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	$default_avatar = Config::get('libravatar', 'default_avatar');
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	// set default values for first configuration
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	if (!$default_avatar) {
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		$default_avatar = 'identicon'; // pseudo-random geometric pattern based on email hash
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	}
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	// Available options for the select boxes
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	$default_avatars = [
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		'mm' => L10n::t('generic profile image'),
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		'identicon' => L10n::t('random geometric pattern'),
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		'monsterid' => L10n::t('monster face'),
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		'wavatar' => L10n::t('computer generated face'),
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		'retro' => L10n::t('retro arcade style face'),
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	];
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	// Show warning if PHP version is too old
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	if (! version_compare(PHP_VERSION, '5.3.0', '>=')) {
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		$o = '<h5>' .L10n::t('Warning') .'</h5><p>';
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		$o .= L10n::t('Your PHP version %s is lower than the required PHP >= 5.3.', PHP_VERSION);
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		$o .= '<br>' .L10n::t('This addon is not functional on your server.') .'<p><br>';
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		return;
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	}
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	// Libravatar falls back to gravatar, so show warning about gravatar addon if enabled
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	$r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1",
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		DBA::escape('gravatar')
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	);
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	if (count($r)) {
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		$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>';
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	}
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	// output Libravatar settings
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	$o .= '<input type="hidden" name="form_security_token" value="' . BaseModule::getFormSecurityToken("libravatarsave") .'">';
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	$o .= Renderer::replaceMacros( $t, [
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		'$submit' => L10n::t('Save Settings'),
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		'$default_avatar' => ['avatar', L10n::t('Default avatar image'), $default_avatar, L10n::t('Select default avatar image if none was found. See README'), $default_avatars],
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	]);
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}
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/**
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 * Save admin settings
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 */
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function libravatar_addon_admin_post(&$a)
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{
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	BaseModule::checkFormSecurityToken('libravatarrsave');
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	$default_avatar = (!empty($_POST['avatar']) ? Strings::escapeTags(trim($_POST['avatar'])) : 'identicon');
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	Config::set('libravatar', 'default_avatar', $default_avatar);
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	info(L10n::t('Libravatar settings updated.') .EOL);
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}
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