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Shadowghost
2023-07-02 12:34:50 +02:00
parent a6e9824e8a
commit 9b0e44019a
4 changed files with 30 additions and 26 deletions
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35
MediaBrowser.Common/Net/NetworkExtensions.cs
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@@ -166,28 +166,30 @@ namespace MediaBrowser.Common.Net
/// <param name="result">Collection of <see cref="IPNetwork"/>.</param>
/// <param name="negated">Boolean signaling if negated or not negated values should be parsed.</param>
/// <returns><c>True</c> if parsing was successful.</returns>
public static bool TryParseToSubnets(string[] values, out List<IPNetwork> result, bool negated = false)
public static bool TryParseToSubnets(string[] values, [NotNullWhen(true)] out IReadOnlyList<IPNetwork>? result, bool negated = false)
{
result = new List<IPNetwork>();
if (values is null || values.Length == 0)
{
result = null;
return false;
}
var tmpResult = new List<IPNetwork>();
for (int a = 0; a < values.Length; a++)
{
if (TryParseToSubnet(values[a], out var innerResult, negated))
{
result.Add(innerResult);
tmpResult.Add(innerResult);
}
}
if (result.Count > 0)
if (tmpResult.Count > 0)
{
result = tmpResult;
return true;
}
result = null;
return false;
}
@@ -199,9 +201,8 @@ namespace MediaBrowser.Common.Net
/// <param name="result">An <see cref="IPNetwork"/>.</param>
/// <param name="negated">Boolean signaling if negated or not negated values should be parsed.</param>
/// <returns><c>True</c> if parsing was successful.</returns>
public static bool TryParseToSubnet(ReadOnlySpan<char> value, out IPNetwork result, bool negated = false)
public static bool TryParseToSubnet(ReadOnlySpan<char> value, [NotNullWhen(true)] out IPNetwork? result, bool negated = false)
{
result = new IPNetwork(IPAddress.None, 32);
var splitString = value.Trim().Split('/');
if (splitString.MoveNext())
{
@@ -224,25 +225,28 @@ namespace MediaBrowser.Common.Net
if (int.TryParse(subnetBlock, out var netmask))
{
result = new IPNetwork(address, netmask);
return true;
}
else if (IPAddress.TryParse(subnetBlock, out var netmaskAddress))
{
result = new IPNetwork(address, NetworkExtensions.MaskToCidr(netmaskAddress));
return true;
}
}
else if (address.AddressFamily == AddressFamily.InterNetwork)
{
result = new IPNetwork(address, 32);
return true;
}
else if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
result = new IPNetwork(address, 128);
return true;
}
return true;
}
}
result = null;
return false;
}
@@ -254,11 +258,11 @@ namespace MediaBrowser.Common.Net
/// <param name="isIPv4Enabled"><c>true</c> if IPv4 is enabled.</param>
/// <param name="isIPv6Enabled"><c>true</c> if IPv6 is enabled.</param>
/// <returns><c>true</c> if the parsing is successful, <c>false</c> if not.</returns>
public static bool TryParseHost(ReadOnlySpan<char> host, [NotNullWhen(true)] out IPAddress[] addresses, bool isIPv4Enabled = true, bool isIPv6Enabled = false)
public static bool TryParseHost(ReadOnlySpan<char> host, [NotNullWhen(true)] out IPAddress[]? addresses, bool isIPv4Enabled = true, bool isIPv6Enabled = false)
{
if (host.IsEmpty)
{
addresses = Array.Empty<IPAddress>();
addresses = null;
return false;
}
@@ -301,9 +305,7 @@ namespace MediaBrowser.Common.Net
}
// Is an IP4 or IP4:port
host = hosts[0].Split('/')[0];
if (IPAddress.TryParse(host, out var address))
if (IPAddress.TryParse(hosts[0].AsSpan().LeftPart('/'), out var address))
{
if (((address.AddressFamily == AddressFamily.InterNetwork) && (!isIPv4Enabled && isIPv6Enabled)) ||
((address.AddressFamily == AddressFamily.InterNetworkV6) && (isIPv4Enabled && !isIPv6Enabled)))
@@ -318,10 +320,9 @@ namespace MediaBrowser.Common.Net
return true;
}
}
else if (hosts.Count <= 9) // 8 octets + port
else if (hosts.Count > 0 && hosts.Count <= 9) // 8 octets + port
{
var splitSpan = host.Split('/');
if (splitSpan.MoveNext() && IPAddress.TryParse(splitSpan.Current, out var address))
if (IPAddress.TryParse(host.LeftPart('/'), out var address))
{
addresses = new[] { address };
return true;