4 * Name: Mastodon Custom Emojis
5 * Description: Replace emojis shortcodes in Mastodon posts with their originating server custom emojis images.
7 * Author: Hypolite Petovan
8 * Author: Roland Haeder
12 use Friendica\Content\Smilies;
13 use Friendica\Core\Addon;
14 use Friendica\Core\Cache;
15 use Friendica\Core\Config;
16 use Friendica\Core\Protocol;
17 use Friendica\Util\Network;
18 use Friendica\Util\Proxy as ProxyUtils;
20 function mastodoncustomemojis_install()
22 Addon::registerHook('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
23 Addon::registerHook('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
24 Addon::registerHook('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
25 Addon::registerHook('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
26 Addon::registerHook('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
27 Addon::registerHook('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
30 function mastodoncustomemojis_uninstall()
32 Addon::unregisterHook('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
33 Addon::unregisterHook('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
34 Addon::unregisterHook('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
35 Addon::unregisterHook('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
36 Addon::unregisterHook('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
37 Addon::unregisterHook('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
40 function mastodoncustomemojis_css_hook(App $a)
42 $a->page['htmlhead'] .= <<<HTML
43 <!-- Style added by mastodoncustomemojis -->
44 <style type="text/css">
47 vertical-align: middle;
55 function mastodoncustomemojis_put_item_in_cache(App $a, array &$hook_data)
57 // Mastodon uses OStatus and ActivityPub, skipping other network protocols
58 if (empty($hook_data['item']['author-link']) || !in_array($hook_data['item']['network'], [Protocol::OSTATUS, Protocol::ACTIVITYPUB])) {
62 $emojis = mastodoncustomemojis_get_custom_emojis_for_author($hook_data['item']['author-link']);
64 $hook_data["rendered-html"] = Smilies::replaceFromArray($hook_data["rendered-html"], $emojis);
67 function mastodoncustomemojis_get_custom_emojis_for_author($author_link)
69 $url_parts = parse_url($author_link);
71 $api_base_url = $url_parts['scheme'] . '://' . $url_parts['host'] . (isset($url_parts['port']) ? ':' . $url_parts['port'] : '');
73 $cache_key = 'mastodoncustomemojis:' . $api_base_url;
75 $return = Cache::get($cache_key);
77 if (empty($return) || Config::get('system', 'ignore_cache')) {
78 $return = mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url);
80 Cache::set($cache_key, $return, empty($return['texts']) ? Cache::QUARTER_HOUR : Cache::HOUR);
86 function mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url)
88 $return = ['texts' => [], 'icons' => []];
90 $api_url = $api_base_url . '/api/v1/custom_emojis';
92 $fetchResult = Network::fetchUrlFull($api_url);
94 if ($fetchResult->isSuccess()) {
95 $emojis_array = json_decode($fetchResult->getBody(), true);
97 if (is_array($emojis_array) && count($emojis_array)) {
98 foreach ($emojis_array as $emoji) {
99 if (!empty($emoji['shortcode']) && !empty($emoji['static_url'])) {
100 $return['texts'][] = ':' . $emoji['shortcode'] . ':';
101 $return['icons'][] = '<img class="emoji mastodon" src="' . ProxyUtils::proxifyUrl($emoji['static_url']) . '" alt=":' . $emoji['shortcode'] . ':" title=":' . $emoji['shortcode'] . ':"/>';