Initial commit

Probably the last, too.

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2020 The s9e authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

s9e/linkshortenerer/composer.json

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+{
+	"name": "s9e/linkshortenerer",
+	"type": "phpbb-extension",
+	"description": "Shortens links to this forum, or maybe not this forum but close enough.",
+	"homepage": "https://github.com/s9e/phpbb-ext-link-shortenerer/",
+	"version": "1.0.0",
+	"keywords": ["phpbb"],
+	"license": "MIT",
+	"require": {
+		"php": ">=7.3.1"
+	},
+	"authors": [{ "name": "JoshyPHP" }],
+	"extra": {
+		"display-name": "s9e/link-shortenerer",
+		"soft-require": {
+			"phpbb/phpbb": "3.3.0"
+		}
+	}
+}

s9e/linkshortenerer/config/services.yml

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+services:
+  s9e.linkshortenerer.listener:
+    class: s9e\linkshortenerer\listener
+    arguments:
+      - '@config'
+    tags:
+      - { name: event.listener }

s9e/linkshortenerer/listener.php

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+<?php declare(strict_types=1);
+
+/**
+* @package   s9e\linkshortenerer
+* @copyright Copyright (c) 2020 The s9e authors
+* @license   http://www.opensource.org/licenses/mit-license.php The MIT License
+*/
+namespace s9e\linkshortenerer;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use phpbb\config\config;
+
+class listener implements EventSubscriberInterface
+{
+	protected $regexp;
+
+	public function __construct(config $config)
+	{
+		$this->regexp = '/^(?:\\w++:)?\\/\\/(?:[-\\w]++\\.)*'
+		              . preg_quote($config['server_name'], '/')
+		              . '(?::\\d++)?'
+		              . preg_quote(rtrim($config['script_path'], '/'), '/')
+		              . '\\//';
+	}
+
+	public static function getSubscribedEvents()
+	{
+		return ['core.text_formatter_s9e_configure_after' => 'onConfigure'];
+	}
+
+	public function onConfigure($event)
+	{
+		if (!isset($event['configurator']->tags['LINK_TEXT']))
+		{
+			return;
+		}
+
+		$event['configurator']->tags['LINK_TEXT']->attributes['text']->filterChain
+			->prepend('preg_replace(' . $this->regexp . ', "", $attrValue)');
+	}
+}