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update local network detection

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This commit is contained in:
Luke Pulverenti 2015-11-12 14:19:30 -05:00
parent e6329c46d1
commit 8e41918ac5
1 changed files with 38 additions and 18 deletions
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56
MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs
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@ -84,7 +84,15 @@ namespace MediaBrowser.Common.Implementations.Networking
return true;
}
private bool IsInPrivateAddressSpace(string endpoint)
private bool IsInPrivateAddressSpaceIpv6(string endpoint)
{
return
// If url was requested with computer name, we may see this
string.Equals(endpoint, "::1", StringComparison.OrdinalIgnoreCase);
}
private bool IsInPrivateAddressSpaceIpv4(string endpoint)
{
// Private address space:
// http://en.wikipedia.org/wiki/Private_network
@ -96,9 +104,6 @@ namespace MediaBrowser.Common.Implementations.Networking
return
// If url was requested with computer name, we may see this
endpoint.IndexOf("::", StringComparison.OrdinalIgnoreCase) != -1 ||
endpoint.StartsWith("localhost", StringComparison.OrdinalIgnoreCase) ||
endpoint.StartsWith("127.", StringComparison.OrdinalIgnoreCase) ||
endpoint.StartsWith("10.", StringComparison.OrdinalIgnoreCase) ||
@ -131,25 +136,40 @@ namespace MediaBrowser.Common.Implementations.Networking
throw new ArgumentNullException("endpoint");
}
if (IsInPrivateAddressSpace(endpoint))
IPAddress address;
if (IPAddress.TryParse(endpoint, out address))
{
return true;
}
const int lengthMatch = 4;
if (endpoint.Length >= lengthMatch)
{
var prefix = endpoint.Substring(0, lengthMatch);
if (GetLocalIpAddresses()
.Any(i => i.StartsWith(prefix, StringComparison.OrdinalIgnoreCase)))
int lengthMatch = 100;
if (address.AddressFamily == AddressFamily.InterNetwork)
{
return true;
lengthMatch = 4;
if (IsInPrivateAddressSpaceIpv4(endpoint))
{
return true;
}
}
else if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
lengthMatch = 10;
if (IsInPrivateAddressSpaceIpv6(endpoint))
{
return true;
}
}
// Should be even be doing this with ipv6?
if (endpoint.Length >= lengthMatch)
{
var prefix = endpoint.Substring(0, lengthMatch);
if (GetLocalIpAddresses()
.Any(i => i.StartsWith(prefix, StringComparison.OrdinalIgnoreCase)))
{
return true;
}
}
}
IPAddress address;
if (resolveHost && !IPAddress.TryParse(endpoint, out address))
{
Uri uri;