Merge pull request #20 from serilog-contrib/19-ipv6-address

Fixed bug #19.

Author: mo-esmp

src/Serilog.Enrichers.ClientInfo/Enrichers/ClientIpEnricher.cs

@@ -1,6 +1,5 @@
 using Serilog.Core;
 using Serilog.Events;
-using System;
 using System.Linq;
 using System.Runtime.CompilerServices;
 
@@ -72,26 +71,17 @@ private string GetIpAddress()
         {
             var ipAddress = _contextAccessor.HttpContext?.Request?.Headers[ClinetIpConfiguration.XForwardHeaderName].FirstOrDefault();
 
-            if (!string.IsNullOrEmpty(ipAddress))
-                return GetIpAddressFromProxy(ipAddress);
-
-            return _contextAccessor.HttpContext?.Connection?.RemoteIpAddress?.ToString();
+            return !string.IsNullOrEmpty(ipAddress)
+                ? GetIpAddressFromProxy(ipAddress)
+                : _contextAccessor.HttpContext?.Connection?.RemoteIpAddress?.ToString();
         }
 #endif
 
         private string GetIpAddressFromProxy(string proxifiedIpList)
         {
             var addresses = proxifiedIpList.Split(',');
 
-            if (addresses.Length != 0)
-            {
-                // If IP contains port, it will be after the last : (IPv6 uses : as delimiter and could have more of them)
-                return addresses[0].Contains(":")
-                    ? addresses[0].Substring(0, addresses[0].LastIndexOf(":", StringComparison.Ordinal))
-                    : addresses[0];
-            }
-
-            return string.Empty;
+            return addresses.Length == 0 ? string.Empty : addresses[0].Trim();
         }
     }
 }

src/Serilog.Enrichers.ClientInfo/Serilog.Enrichers.ClientInfo.csproj

@@ -4,8 +4,10 @@
     <AssemblyName>Serilog.Enrichers.ClientInfo</AssemblyName>
     <RootNamespace>Serilog</RootNamespace>
     <TargetFrameworks>net462;netstandard2.0;netstandard2.1</TargetFrameworks>
-    <LangVersion>7.3</LangVersion>
+	<Version>1.3.0</Version>
+    <LangVersion>latest</LangVersion>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+	<GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">

test/Serilog.Enrichers.ClientInfo.Tests/ClientIpEnricherTests.cs

@@ -17,11 +17,16 @@ public ClientIpEnricherTests()
             _contextAccessor.HttpContext.Returns(httpContext);
         }
 
-        [Fact]
-        public void When_Enrich_Log_Event_With_IpEnricher_Should_Contain_ClientIp_Property()
+        [Theory]
+        [InlineData("::1")]
+        [InlineData("192.168.1.1")]
+        [InlineData("2001:0db8:85a3:0000:0000:8a2e:0370:7334")]
+        [InlineData("2001:db8:85a3:8d3:1319:8a2e:370:7348")]
+        public void When_Enrich_Log_Event_With_IpEnricher_Should_Contain_ClientIp_Property(string ip)
         {
             // Arrange
-            _contextAccessor.HttpContext.Connection.RemoteIpAddress = IPAddress.Parse("::1");
+            var ipAddress = IPAddress.Parse(ip);
+            _contextAccessor.HttpContext.Connection.RemoteIpAddress = ipAddress;
 
             var ipEnricher = new ClientIpEnricher(_contextAccessor);
 
@@ -37,7 +42,7 @@ public void When_Enrich_Log_Event_With_IpEnricher_Should_Contain_ClientIp_Proper
             // Assert
             Assert.NotNull(evt);
             Assert.True(evt.Properties.ContainsKey("ClientIp"));
-            Assert.Equal("::1", evt.Properties["ClientIp"].LiteralValue());
+            Assert.Equal(ipAddress.ToString(), evt.Properties["ClientIp"].LiteralValue());
         }
 
         [Fact]
@@ -63,12 +68,17 @@ public void When_Enrich_Log_Event_With_IpEnricher_And_Log_More_Than_Once_Should_
             Assert.Equal(IPAddress.Loopback.ToString(), evt.Properties["ClientIp"].LiteralValue());
         }
 
-        [Fact]
-        public void When_Enrich_Log_Event_With_IpEnricher_AndRequest_Contain_ForwardHeader_Should_Read_ClientIp_Value_From_Header_Value()
+        [Theory]
+        [InlineData("::1")]
+        [InlineData("192.168.1.1")]
+        [InlineData("2001:0db8:85a3:0000:0000:8a2e:0370:7334")]
+        [InlineData("2001:db8:85a3:8d3:1319:8a2e:370:7348")]
+        public void When_Enrich_Log_Event_With_IpEnricher_AndRequest_Contain_ForwardHeader_Should_Read_ClientIp_Value_From_Header_Value(string ip)
         {
             //Arrange
+            var ipAddress = IPAddress.Parse(ip);
             _contextAccessor.HttpContext.Connection.RemoteIpAddress = IPAddress.Loopback;
-            _contextAccessor.HttpContext.Request.Headers.Add(ClinetIpConfiguration.XForwardHeaderName, IPAddress.Broadcast.ToString());
+            _contextAccessor.HttpContext.Request.Headers.Add(ClinetIpConfiguration.XForwardHeaderName, ipAddress.ToString());
 
             var ipEnricher = new ClientIpEnricher(_contextAccessor);
 
@@ -84,7 +94,7 @@ public void When_Enrich_Log_Event_With_IpEnricher_AndRequest_Contain_ForwardHead
             // Assert
             Assert.NotNull(evt);
             Assert.True(evt.Properties.ContainsKey("ClientIp"));
-            Assert.Equal(IPAddress.Broadcast.ToString(), evt.Properties["ClientIp"].LiteralValue());
+            Assert.Equal(ipAddress.ToString(), evt.Properties["ClientIp"].LiteralValue());
         }
 
         [Fact]