forked from friendica/friendica-addons
116 lines
3.6 KiB
PHP
116 lines
3.6 KiB
PHP
<?php
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/**
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* Name: Gravatar 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 Gravatar.
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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\Core\Addon;
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use Friendica\Core\Config;
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/**
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* Installs the addon hook
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*/
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function gravatar_install() {
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Addon::registerHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
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logger("registered gravatar 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 gravatar_uninstall() {
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Addon::unregisterHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
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logger("unregistered gravatar in avatar_lookup hook");
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}
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/**
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* Looks up the avatar at gravatar.com 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 gravatar_lookup($a, &$b) {
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$default_avatar = Config::get('gravatar', 'default_img');
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$rating = Config::get('gravatar', 'rating');
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// setting default value 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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if(! $rating)
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$rating = 'g'; // suitable for display on all websites with any audience type
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$hash = md5(trim(strtolower($b['email'])));
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$url = 'https://secure.gravatar.com/avatar/' .$hash .'.jpg';
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$url .= '?s=' .$b['size'] .'&r=' .$rating;
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if ($default_avatar != "gravatar")
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$url .= '&d=' .$default_avatar;
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$b['url'] = $url;
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$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 gravatar_addon_admin (&$a, &$o) {
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$t = get_markup_template( "admin.tpl", "addon/gravatar/" );
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$default_avatar = Config::get('gravatar', 'default_img');
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$rating = Config::get('gravatar', 'rating');
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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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if(! $rating)
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$rating = 'g'; // suitable for display on all websites with any audience type
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// Available options for the select boxes
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$default_avatars = [
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'mm' => t('generic profile image'),
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'identicon' => t('random geometric pattern'),
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'monsterid' => t('monster face'),
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'wavatar' => t('computer generated face'),
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'retro' => t('retro arcade style face'),
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];
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$ratings = [
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'g' => 'g',
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'pg' => 'pg',
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'r' => 'r',
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'x' => 'x'
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];
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// Check if Libravatar is enabled and show warning
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$r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1",
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dbesc('libravatar')
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);
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if (count($r)) {
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$o = '<h5>' .t('Information') .'</h5><p>' .t('Libravatar addon is installed, too. Please disable Libravatar addon or this Gravatar addon.<br>The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.') .'</p><br><br>';
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}
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// output Gravatar settings
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$o .= '<input type="hidden" name="form_security_token" value="' .get_form_security_token("gravatarsave") .'">';
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$o .= replace_macros( $t, [
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'$submit' => t('Save Settings'),
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'$default_avatar' => ['avatar', t('Default avatar image'), $default_avatar, t('Select default avatar image if none was found at Gravatar. See README'), $default_avatars],
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'$rating' => ['rating', t('Rating of images'), $rating, t('Select the appropriate avatar rating for your site. See README'), $ratings],
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]);
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}
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/**
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* Save admin settings
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*/
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function gravatar_addon_admin_post (&$a) {
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check_form_security_token('gravatarsave');
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$default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon');
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$rating = ((x($_POST, 'rating')) ? notags(trim($_POST['rating'])) : 'g');
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Config::set('gravatar', 'default_img', $default_avatar);
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Config::set('gravatar', 'rating', $rating);
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info( t('Gravatar settings updated.') .EOL);
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}
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?>
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