diff options
Diffstat (limited to 'MediaBrowser.Common/Net/NetworkExtensions.cs')
| -rw-r--r-- | MediaBrowser.Common/Net/NetworkExtensions.cs | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/MediaBrowser.Common/Net/NetworkExtensions.cs b/MediaBrowser.Common/Net/NetworkExtensions.cs index 4cba1c99f..ae1e47ccc 100644 --- a/MediaBrowser.Common/Net/NetworkExtensions.cs +++ b/MediaBrowser.Common/Net/NetworkExtensions.cs @@ -13,6 +13,10 @@ namespace MediaBrowser.Common.Net /// </summary> public static class NetworkExtensions { + // Use regular expression as CheckHostName isn't RFC5892 compliant. + // Modified from gSkinner's expression at https://stackoverflow.com/questions/11809631/fully-qualified-domain-name-validation + private static readonly Regex _fqdnRegex = new Regex(@"(?im)^(?!:\/\/)(?=.{1,255}$)((.{1,63}\.){0,127}(?![0-9]*$)[a-z0-9-]+\.?)(:(\d){1,5}){0,1}$"); + /// <summary> /// Returns true if the IPAddress contains an IP6 Local link address. /// </summary> @@ -227,12 +231,8 @@ namespace MediaBrowser.Common.Net if (hosts.Length <= 2) { - // Use regular expression as CheckHostName isn't RFC5892 compliant. - // Modified from gSkinner's expression at https://stackoverflow.com/questions/11809631/fully-qualified-domain-name-validation - string pattern = @"(?im)^(?!:\/\/)(?=.{1,255}$)((.{1,63}\.){0,127}(?![0-9]*$)[a-z0-9-]+\.?)(:(\d){1,5}){0,1}$"; - // Is hostname or hostname:port - if (Regex.IsMatch(hosts[0], pattern)) + if (_fqdnRegex.IsMatch(hosts[0])) { try { |