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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; 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: // Private address space:
// http://en.wikipedia.org/wiki/Private_network // http://en.wikipedia.org/wiki/Private_network
@ -96,9 +104,6 @@ namespace MediaBrowser.Common.Implementations.Networking
return return
// If url was requested with computer name, we may see this
endpoint.IndexOf("::", StringComparison.OrdinalIgnoreCase) != -1 ||
endpoint.StartsWith("localhost", StringComparison.OrdinalIgnoreCase) || endpoint.StartsWith("localhost", StringComparison.OrdinalIgnoreCase) ||
endpoint.StartsWith("127.", StringComparison.OrdinalIgnoreCase) || endpoint.StartsWith("127.", StringComparison.OrdinalIgnoreCase) ||
endpoint.StartsWith("10.", StringComparison.OrdinalIgnoreCase) || endpoint.StartsWith("10.", StringComparison.OrdinalIgnoreCase) ||
@ -131,25 +136,40 @@ namespace MediaBrowser.Common.Implementations.Networking
throw new ArgumentNullException("endpoint"); throw new ArgumentNullException("endpoint");
} }
if (IsInPrivateAddressSpace(endpoint)) IPAddress address;
if (IPAddress.TryParse(endpoint, out address))
{ {
return true; int lengthMatch = 100;
} if (address.AddressFamily == AddressFamily.InterNetwork)
const int lengthMatch = 4;
if (endpoint.Length >= lengthMatch)
{
var prefix = endpoint.Substring(0, lengthMatch);
if (GetLocalIpAddresses()
.Any(i => i.StartsWith(prefix, StringComparison.OrdinalIgnoreCase)))
{ {
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)) if (resolveHost && !IPAddress.TryParse(endpoint, out address))
{ {
Uri uri; Uri uri;