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Merge pull request #445 from NLog/release/4.8.4
Release 4.8.4
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Original file line number | Diff line number | Diff line change |
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using System; | ||
#if !ASP_NET_CORE | ||
using System.Web; | ||
#else | ||
using System.Text; | ||
using Microsoft.AspNetCore.Http; | ||
using Microsoft.AspNetCore.Http.Features; | ||
#endif | ||
using NLog.Common; | ||
|
||
namespace NLog.Web.Internal | ||
{ | ||
internal static class HttpContextExtensions | ||
{ | ||
#if !ASP_NET_CORE | ||
internal static HttpRequestBase TryGetRequest(this HttpContextBase context) | ||
{ | ||
try | ||
{ | ||
var request = context?.Request; | ||
if (request == null) | ||
InternalLogger.Debug("HttpContext Request Lookup returned null"); | ||
return request; | ||
} | ||
catch (HttpException ex) | ||
{ | ||
InternalLogger.Debug(ex, "HttpContext Request Lookup failed."); | ||
return null; | ||
} | ||
} | ||
#else | ||
internal static HttpRequest TryGetRequest(this HttpContext context) | ||
{ | ||
var request = context?.Request; | ||
if (request == null) | ||
InternalLogger.Debug("HttpContext Request Lookup returned null"); | ||
return request; | ||
} | ||
#endif | ||
|
||
#if ASP_NET_CORE | ||
internal static string GetString(this ISession session, string key) | ||
{ | ||
if (!session.TryGetValue(key, out var data)) | ||
{ | ||
return null; | ||
} | ||
|
||
if (data == null) | ||
{ | ||
return null; | ||
} | ||
|
||
if (data.Length == 0) | ||
{ | ||
return string.Empty; | ||
} | ||
|
||
return Encoding.UTF8.GetString(data); | ||
} | ||
#endif | ||
|
||
#if !ASP_NET_CORE | ||
internal static HttpSessionStateBase TryGetSession(this HttpContextBase context) | ||
{ | ||
var session = context?.Session; | ||
if (session == null) | ||
InternalLogger.Debug("HttpContext Session Lookup returned null"); | ||
return session; | ||
} | ||
#else | ||
internal static ISession TryGetSession(this HttpContext context) | ||
{ | ||
try | ||
{ | ||
if (context?.Features.Get<ISessionFeature>()?.Session != null) | ||
{ | ||
var session = context?.Session; | ||
if (session == null) | ||
InternalLogger.Debug("HttpContext Session Lookup returned null"); | ||
return session; | ||
} | ||
else | ||
{ | ||
InternalLogger.Debug("HttpContext Session Feature not available"); | ||
return null; | ||
} | ||
} | ||
catch (InvalidOperationException ex) | ||
{ | ||
InternalLogger.Debug(ex, "HttpContext Session Lookup failed."); | ||
return null; // System.InvalidOperationException: Session has not been configured for this application or request. | ||
} | ||
} | ||
#endif | ||
} | ||
} |
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