111 lines
3.7 KiB
PHP
111 lines
3.7 KiB
PHP
<?php
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/*
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* Name: Mastodon Custom Emojis
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* Description: Replace emojis shortcodes in Mastodon posts with their originating server custom emojis images.
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* Version: 1.0
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* Author: Hypolite Petovan
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* Author: Roland Haeder
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* Status: Unsupported
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*/
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use Friendica\App;
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use Friendica\Content\Smilies;
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use Friendica\Core\Cache\Duration;
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use Friendica\Core\Config;
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use Friendica\Core\Hook;
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use Friendica\Core\Protocol;
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use Friendica\DI;
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use Friendica\Util\Network;
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use Friendica\Util\Proxy as ProxyUtils;
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function mastodoncustomemojis_install()
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{
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Hook::register('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
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Hook::register('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::register('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::register('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::register('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::register('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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}
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function mastodoncustomemojis_uninstall()
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{
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Hook::unregister('put_item_in_cache', __FILE__, 'mastodoncustomemojis_put_item_in_cache');
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Hook::unregister('network_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::unregister('display_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::unregister('search_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::unregister('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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Hook::unregister('contacts_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
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}
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function mastodoncustomemojis_css_hook(App $a)
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{
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DI::page()['htmlhead'] .= <<<HTML
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<!-- Style added by mastodoncustomemojis -->
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<style type="text/css">
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.emoji.mastodon {
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height: 1.2em;
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vertical-align: middle;
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}
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</style>
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HTML;
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}
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function mastodoncustomemojis_put_item_in_cache(App $a, array &$hook_data)
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{
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// Mastodon uses OStatus and ActivityPub, skipping other network protocols
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if (empty($hook_data['item']['author-link']) || !in_array($hook_data['item']['network'], [Protocol::OSTATUS, Protocol::ACTIVITYPUB])) {
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return;
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}
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$emojis = mastodoncustomemojis_get_custom_emojis_for_author($hook_data['item']['author-link']);
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$hook_data["rendered-html"] = Smilies::replaceFromArray($hook_data["rendered-html"], $emojis);
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}
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function mastodoncustomemojis_get_custom_emojis_for_author($author_link)
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{
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$url_parts = parse_url($author_link);
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$api_base_url = $url_parts['scheme'] . '://' . $url_parts['host'] . (isset($url_parts['port']) ? ':' . $url_parts['port'] : '');
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$cache_key = 'mastodoncustomemojis:' . $api_base_url;
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$return = DI::cache()->get($cache_key);
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if (empty($return) || DI::config()->get('system', 'ignore_cache')) {
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$return = mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url);
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DI::cache()->set($cache_key, $return, empty($return['texts']) ? Duration::QUARTER_HOUR : Duration::HOUR);
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}
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return $return;
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}
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function mastodoncustomemojis_fetch_custom_emojis_for_url($api_base_url)
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{
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$return = ['texts' => [], 'icons' => []];
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$api_url = $api_base_url . '/api/v1/custom_emojis';
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$fetchResult = Network::fetchUrlFull($api_url);
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if ($fetchResult->isSuccess()) {
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$emojis_array = json_decode($fetchResult->getBody(), true);
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if (is_array($emojis_array) && count($emojis_array)) {
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foreach ($emojis_array as $emoji) {
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if (!empty($emoji['shortcode']) && !empty($emoji['static_url'])) {
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$return['texts'][] = ':' . $emoji['shortcode'] . ':';
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$return['icons'][] = '<img class="emoji mastodon" src="' . ProxyUtils::proxifyUrl($emoji['static_url']) . '" alt=":' . $emoji['shortcode'] . ':" title=":' . $emoji['shortcode'] . ':"/>';
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}
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}
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}
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}
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return $return;
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}
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