Allow emoji in manifest shortname

Signed-off-by: Matt Friedman <maf675@gmail.com>

Author: iMattPro

controller/manifest.php

@@ -15,7 +15,6 @@
 use phpbb\language\language;
 use phpbb\path_helper;
 use phpbb\user;
-use phpbb\webpushnotifications\json\sanitizer as json_sanitizer;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -66,7 +65,7 @@ public function handle(): JsonResponse
 
 		$manifest = [
 			'name'			=> $this->config['sitename'],
-			'short_name'	=> $this->config['pwa_short_name'] ?: utf8_substr(preg_replace('/\s+/', '', json_sanitizer::strip_emoji($this->config['sitename'])), 0, 12),
+			'short_name'	=> $this->config['pwa_short_name'] ?: utf8_substr(html_entity_decode($this->config['sitename'], ENT_QUOTES, 'UTF-8'), 0, 12),
 			'display'		=> 'standalone',
 			'orientation'	=> 'portrait',
 			'dir'			=> $this->language->lang('DIRECTION'),

event/listener.php

@@ -18,7 +18,6 @@
 use phpbb\template\template;
 use phpbb\user;
 use phpbb\webpushnotifications\form\form_helper;
-use phpbb\webpushnotifications\json\sanitizer as json_sanitizer;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 /**
@@ -226,13 +225,6 @@ public function validate_pwa_options($event)
 
 				$short_name = $event['cfg_array']['pwa_short_name'];
 
-				// Do not allow emoji
-				if (preg_match(json_sanitizer::EMOJI_REGEX, $short_name))
-				{
-					$this->add_error($event, 'PWA_SHORT_NAME_INVALID');
-					return;
-				}
-
 				// Do not allow strings longer than 12 characters
 				if (mb_strlen($short_name, 'UTF-8') > 12)
 				{
@@ -354,6 +346,6 @@ protected function can_use_notifications()
 	 */
 	protected function get_shortname($name)
 	{
-		return utf8_substr(preg_replace('/\s+/', '', json_sanitizer::strip_emoji($name)), 0, 12);
+		return utf8_substr(html_entity_decode($name, ENT_QUOTES, 'UTF-8'), 0, 12);
 	}
 }

json/sanitizer.php

@@ -51,30 +51,4 @@ public static function decode(string $json) : array
 		$data = json_decode($json, true);
 		return !empty($data) ? self::sanitize($data) : [];
 	}
-
-	/**
-	 * regex for emoji
-	 * Basic emoji (U+1F000 to U+1F9FF)
-	 * Transport and map symbols (U+1F680 to U+1F6FF)
-	 * Miscellaneous symbols and pictographs (U+1F300 to U+1F5FF)
-	 * Additional emoji symbols (U+1F600 to U+1F64F)
-	 *
-	 * @var string
-	 */
-	public const EMOJI_REGEX = '/[\x{1F000}-\x{1F9FF}]|[\x{2600}-\x{27FF}]|[\x{1F300}-\x{1F64F}]|[\x{1F680}-\x{1F6FF}]|[\x{1F600}-\x{1F64F}]/u';
-
-	/**
-	 * Remove emoji from a string
-	 *
-	 * @param string $string
-	 * @return string
-	 */
-	public static function strip_emoji(string $string) : string
-	{
-		return preg_replace(
-			self::EMOJI_REGEX,
-			'',
-			html_entity_decode($string, ENT_QUOTES, 'UTF-8')
-		);
-	}
 }

language/en/webpushnotifications_common_acp.php

@@ -41,7 +41,7 @@
 	'PWA_SETTINGS'				=> 'Progressive web application options',
 	'PWA_SHORT_NAME'			=> 'Short site name',
 	'PWA_SHORT_NAME_EXPLAIN'	=> 'Your site name in 12 characters or fewer, which may be used as a label for an icon on a mobile device’s home screen. (If this field is left empty, the first 12 characters of the <samp>Site name</samp> will be used.)',
-	'PWA_SHORT_NAME_INVALID'	=> '“Short site name” contains illegal characters or exceeds the 12 character limit.',
+	'PWA_SHORT_NAME_INVALID'	=> '“Short site name” exceeds the 12 character limit.',
 	'PWA_ICON_SMALL'			=> 'Small mobile device icon',
 	'PWA_ICON_SMALL_EXPLAIN'	=> 'File name of a 192px x 192px PNG image. This file must be uploaded to your board’s <samp>icons</samp> directory.',
 	'PWA_ICON_LARGE'			=> 'Large mobile device icon',