Patch for "External images as link" extension (for phpBB 3.2.0 and 3.2.1)

patch.diff

diff --git a/event/listener.php b/event/listener.php
index 07bc2c4..818596d 100644
--- a/event/listener.php
+++ b/event/listener.php
@@ -67,6 +67,7 @@ class listener implements EventSubscriberInterface
 			// 3.2 TextFormatter events (will only trigger in >=3.2)
 			'core.text_formatter_s9e_configure_after'	=> 'configure_textformatter',
 			'core.text_formatter_s9e_renderer_setup'	=> 'setup_textformatter_renderer',
+			'core.text_formatter_s9e_parse_after'		=> 'legacy_replace',
 		);
 	}
 
@@ -183,4 +184,23 @@ class listener implements EventSubscriberInterface
 		$renderer = $event['renderer']->get_renderer();
 		$renderer->setParameter('S_IMG_SECURE_URLS', ($this->config['extimgaslink_config'] & constants::SECURE_SITES) === constants::SECURE_SITES);
 	}
+
+	/**
+	 * Catch all img tags that slip through because of
+	 * using an outdated version of s9e's TextFormatter
+	 *
+	 * @param \phpbb\event\data $event
+	 * @return null
+	 */
+	public function legacy_replace($event)
+	{
+		/** @var \s9e\TextFormatter\Parser $parser */
+		$parser = $event['parser']->get_parser();
+		$xml = $event['xml'];
+		$xml = preg_replace_callback('#\[img\][^<>]+\[/img\]#i', function ($matches) use ($parser) {
+			return preg_replace('#<([rt])>(.+)</\1>#i', '$2', $parser->parse($matches[0]));
+		}, $xml);
+
+		$event['xml'] = $xml;
+	}
 }