From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Sat, 14 Jul 2018 10:08:36 +0000 (-0400)
Subject: [mastodoncustomemojis] Add new addon
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=6e4d594c7d4dd4c18860ca40fdfc3edc939c0e2a;p=friendica-addons.git

[mastodoncustomemojis] Add new addon
---

diff --git a/mastodoncustomemojis/README.md b/mastodoncustomemojis/README.md
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+++ b/mastodoncustomemojis/README.md
@@ -0,0 +1,12 @@
+Mastodon Custom Emojis
+======================
+
+Main author Hypolite Petovan.
+
+Replace emojis shortcodes in Mastodon posts with their originating server custom emojis images.
+
+## License
+
+The _Mastodon Custom Emojis_ addon is licensed under the [3-clause BSD license][2] see the LICENSE file in the addons directory.
+
+[1]: http://opensource.org/licenses/BSD-3-Clause
diff --git a/mastodoncustomemojis/mastodoncustomemojis.php b/mastodoncustomemojis/mastodoncustomemojis.php
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+++ b/mastodoncustomemojis/mastodoncustomemojis.php
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+<?php
+
+/*
+ * Name: Mastodon Custom Emojis
+ * Description: Replace emojis shortcodes in Mastodon posts with their originating server custom emojis images.
+ * Version: 1.0
+ * Author: Hypolite Petovan
+ */
+
+use Friendica\Core\Addon;
+
+function mastodoncustomemojis_install()
+{
+	Addon::registerHook('put_item_in_cache',  __FILE__, 'mastodoncustomemojis_put_item_in_cache');
+	Addon::registerHook('network_mod_init',   __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::registerHook('display_mod_init',   __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::registerHook('search_mod_init',    __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::registerHook('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::registerHook('contacts_mod_init',  __FILE__, 'mastodoncustomemojis_css_hook');
+}
+
+function mastodoncustomemojis_uninstall()
+{
+	Addon::unregisterHook('put_item_in_cache',  __FILE__, 'mastodoncustomemojis_put_item_in_cache');
+	Addon::unregisterHook('network_mod_init',   __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::unregisterHook('display_mod_init',   __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::unregisterHook('search_mod_init',    __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::unregisterHook('community_mod_init', __FILE__, 'mastodoncustomemojis_css_hook');
+	Addon::unregisterHook('contacts_mod_init',  __FILE__, 'mastodoncustomemojis_css_hook');
+}
+
+function mastodoncustomemojis_css_hook(Friendica\App $a)
+{
+	$a->page['htmlhead'] .= <<<HTML
+<!-- Style added by mastodoncustomemojis -->
+<style type="text/css">
+	.emoji.mastodon {
+		height: 1.2em;
+		vertical-align: middle;
+	}
+</style>
+
+
+HTML;
+}
+
+function mastodoncustomemojis_put_item_in_cache(Friendica\App $a, &$hook_data)
+{
+	// Mastodon uses OStatus, skipping other network protocols
+	if ($hook_data['item']['network'] != Friendica\Core\Protocol::OSTATUS) {
+		return;
+	}
+
+	$emojis = mastodoncustomemojis_get_custom_emojis_for_author($hook_data['item']['author-link']);
+
+	$hook_data["rendered-html"] = Friendica\Content\Smilies::replaceFromArray($hook_data["rendered-html"], $emojis);
+}
+
+function mastodoncustomemojis_get_custom_emojis_for_author($author_link)
+{
+	$return = ['texts' => [], 'icons' => []];
+
+	$url_parts = parse_url($author_link);
+
+	$api_base_url = $url_parts['scheme'] . '://' . $url_parts['host'] . ($url_parts['port'] ? ':' . $url_parts['port'] : '');
+
+	$cache_key = 'mastodoncustomemojis:' . $api_base_url;
+
+	$emojis = Friendica\Core\Cache::get($cache_key);
+	if (empty($emojis)) {
+		// Reset the emojis array
+		$emojis = $return;
+
+		$api_url = $api_base_url . '/api/v1/custom_emojis';
+
+		$ret = Friendica\Util\Network::fetchUrlFull($api_url);
+
+		if ($ret['success']) {
+			$emojis_array = json_decode($ret['body'], true);
+
+			if (is_array($emojis_array)) {
+				foreach ($emojis_array as $emoji) {
+					$emojis['texts'][] = ':' . $emoji['shortcode'] . ':';
+					$emojis['icons'][] = '<img class="emoji mastodon" src="' . proxy_url($emoji['static_url']) . '" alt=":' . $emoji['shortcode'] . ':" title=":' . $emoji['shortcode'] . ':"/>';
+				}
+			}
+		}
+
+		Friendica\Core\Cache::set($cache_key, $emojis, Friendica\Core\Cache::WEEK);
+
+		$return = $emojis;
+	}
+
+	return $return;
+}