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
13 use Friendica\Content\Smilies;
14 use Friendica\Core\Cache;
15 use Friendica\Core\Config;
16 use Friendica\Core\Hook;
17 use Friendica\Core\Protocol;
18 use Friendica\Util\Network;
19 use Friendica\Util\Proxy as ProxyUtils;
21 function mastodoncustomemojis_install()
23 Hook::register('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
24 Hook::register('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
25 Hook::register('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
26 Hook::register('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
27 Hook::register('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
28 Hook::register('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
31 function mastodoncustomemojis_uninstall()
33 Hook::unregister('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
34 Hook::unregister('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
35 Hook::unregister('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
36 Hook::unregister('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
37 Hook::unregister('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
38 Hook::unregister('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
41 function mastodoncustomemojis_css_hook(App $a)
43 $a->page['htmlhead'] .= <<<HTML
44 <!-- Style added by mastodoncustomemojis -->
45 <style type="text/css">
48 vertical-align: middle;
56 function mastodoncustomemojis_put_item_in_cache(App $a, array &$hook_data)
58 // Mastodon uses OStatus and ActivityPub, skipping other network protocols
59 if (empty($hook_data['item']['author-link']) || !in_array($hook_data['item']['network'], [Protocol::OSTATUS, Protocol::ACTIVITYPUB])) {
63 $emojis = mastodoncustomemojis_get_custom_emojis_for_author($hook_data['item']['author-link']);
65 $hook_data["rendered-html"] = Smilies::replaceFromArray($hook_data["rendered-html"], $emojis);
68 function mastodoncustomemojis_get_custom_emojis_for_author($author_link)
70 $url_parts = parse_url($author_link);
72 $api_base_url = $url_parts['scheme'] . '://' . $url_parts['host'] . (isset($url_parts['port']) ? ':' . $url_parts['port'] : '');
74 $cache_key = 'mastodoncustomemojis:' . $api_base_url;
76 $return = Cache::get($cache_key);
78 if (empty($return) || Config::get('system', 'ignore_cache')) {
79 $return = mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url);
81 Cache::set($cache_key, $return, empty($return['texts']) ? Cache::QUARTER_HOUR : Cache::HOUR);
87 function mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url)
89 $return = ['texts' => [], 'icons' => []];
91 $api_url = $api_base_url . '/api/v1/custom_emojis';
93 $fetchResult = Network::fetchUrlFull($api_url);
95 if ($fetchResult->isSuccess()) {
96 $emojis_array = json_decode($fetchResult->getBody(), true);
98 if (is_array($emojis_array) && count($emojis_array)) {
99 foreach ($emojis_array as $emoji) {
100 if (!empty($emoji['shortcode']) && !empty($emoji['static_url'])) {
101 $return['texts'][] = ':' . $emoji['shortcode'] . ':';
102 $return['icons'][] = '<img class="emoji mastodon" src="' . ProxyUtils::proxifyUrl($emoji['static_url']) . '" alt=":' . $emoji['shortcode'] . ':" title=":' . $emoji['shortcode'] . ':"/>';