87 lines
3.9 KiB
C#
87 lines
3.9 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.IO;
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using System.Linq;
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using System.Xml.Linq;
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namespace Microsoft.AspNetCore.Server.IISIntegration.Tools
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{
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public static class WebConfigTransform
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{
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public static XDocument Transform(XDocument webConfig, string appName, bool configureForAzure)
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{
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const string HandlersElementName = "handlers";
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const string aspNetCoreElementName = "aspNetCore";
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webConfig = webConfig == null || webConfig.Root.Name.LocalName != "configuration"
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? XDocument.Parse("<configuration />")
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: webConfig;
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var webServerSection = GetOrCreateChild(webConfig.Root, "system.webServer");
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TransformHandlers(GetOrCreateChild(webServerSection, HandlersElementName));
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TransformAspNetCore(GetOrCreateChild(webServerSection, aspNetCoreElementName), appName, configureForAzure);
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// make sure that the aspNetCore element is after handlers element
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var aspNetCoreElement = webServerSection.Element(HandlersElementName)
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.ElementsBeforeSelf(aspNetCoreElementName).SingleOrDefault();
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if (aspNetCoreElement != null)
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{
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aspNetCoreElement.Remove();
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webServerSection.Element(HandlersElementName).AddAfterSelf(aspNetCoreElement);
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}
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return webConfig;
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}
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private static void TransformHandlers(XElement handlersElement)
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{
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var aspNetCoreElement =
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handlersElement.Elements("add")
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.FirstOrDefault(e => string.Equals((string)e.Attribute("name"), "aspnetcore", StringComparison.OrdinalIgnoreCase));
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if (aspNetCoreElement == null)
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{
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aspNetCoreElement = new XElement("add");
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handlersElement.Add(aspNetCoreElement);
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}
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aspNetCoreElement.SetAttributeValue("name", "aspNetCore");
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SetAttributeValueIfEmpty(aspNetCoreElement, "path", "*");
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SetAttributeValueIfEmpty(aspNetCoreElement, "verb", "*");
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SetAttributeValueIfEmpty(aspNetCoreElement, "modules", "AspNetCoreModule");
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SetAttributeValueIfEmpty(aspNetCoreElement, "resourceType", "Unspecified");
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}
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private static void TransformAspNetCore(XElement aspNetCoreElement, string appName, bool configureForAzure)
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{
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// Forward slashes currently work neither in AspNetCoreModule nor in dotnet so they need to be
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// replaced with backwards slashes when the application is published on a non-Windows machine
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var appPath = Path.Combine(configureForAzure ? @"%home%\site" : ".", appName).Replace("/", "\\");
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var logPath = Path.Combine(configureForAzure ? @"\\?\%home%\LogFiles" : @".\logs", "stdout").Replace("/", "\\");
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aspNetCoreElement.SetAttributeValue("processPath", appPath);
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SetAttributeValueIfEmpty(aspNetCoreElement, "stdoutLogEnabled", "false");
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SetAttributeValueIfEmpty(aspNetCoreElement, "stdoutLogFile", logPath);
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SetAttributeValueIfEmpty(aspNetCoreElement, "startupTimeLimit", "3600");
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}
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private static XElement GetOrCreateChild(XElement parent, string childName)
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{
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var childElement = parent.Element(childName);
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if (childElement == null)
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{
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childElement = new XElement(childName);
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parent.Add(childElement);
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}
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return childElement;
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}
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private static void SetAttributeValueIfEmpty(XElement element, string attributeName, string value)
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{
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element.SetAttributeValue(attributeName, (string)element.Attribute(attributeName) ?? value);
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}
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}
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} |