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author3D-I <marktravai@gmail.com>2019-03-31 07:08:20 +0200
committer3D-I <marktravai@gmail.com>2019-03-31 07:08:26 +0200
commitdc80ffdb40472fa9344765162c9d21d57f270de0 (patch)
tree30397a98129bfa62b48417b5ef6d90cab8d798a4 /phpBB/includes/functions_user.php
parente6ac4daf64a0671f21166708045a74ae59f5f048 (diff)
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[ticket/16004] Add check-in for Emojis in Username
PHPBB3-16004
Diffstat (limited to 'phpBB/includes/functions_user.php')
-rw-r--r--phpBB/includes/functions_user.php7
1 files changed, 7 insertions, 0 deletions
diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index d019b867fa..5789981429 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -1760,6 +1760,13 @@ function validate_username($username, $allowed_username = false)
return 'USERNAME_TAKEN';
}
+ // Check for out-of-bounds characters that are currently
+ // not supported by utf8_bin in MySQL
+ if (preg_match('/[\x{10000}-\x{10FFFF}]/u', $username))
+ {
+ return 'INVALID_EMOJIS_USERNAME';
+ }
+
$sql = 'SELECT group_name
FROM ' . GROUPS_TABLE . "
WHERE LOWER(group_name) = '" . $db->sql_escape(utf8_strtolower($username)) . "'";