71 lines
3.6 KiB
C#
71 lines
3.6 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 Microsoft.AspNetCore.Rewrite.Internal.PatternSegments;
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using Microsoft.Net.Http.Headers;
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namespace Microsoft.AspNetCore.Rewrite.Internal.IISUrlRewrite
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{
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public static class ServerVariables
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{
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/// <summary>
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/// Returns the matching <see cref="PatternSegment"/> for the given <paramref name="serverVariable"/>
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/// </summary>
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/// <param name="serverVariable">The server variable</param>
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/// <param name="context">The parser context which is utilized when an exception is thrown</param>
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/// <param name="global">Indicates if the rule being parsed is a global rule</param>
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/// <exception cref="FormatException">Thrown when the server variable is unknown</exception>
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/// <returns>The matching <see cref="PatternSegment"/></returns>
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public static PatternSegment FindServerVariable(string serverVariable, ParserContext context, bool global)
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{
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switch (serverVariable)
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{
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// TODO Add all server variables here.
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case "ALL_RAW":
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throw new NotSupportedException(Resources.FormatError_UnsupportedServerVariable(serverVariable));
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case "APP_POOL_ID":
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throw new NotSupportedException(Resources.FormatError_UnsupportedServerVariable(serverVariable));
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case "CONTENT_LENGTH":
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return new HeaderSegment(HeaderNames.ContentLength);
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case "CONTENT_TYPE":
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return new HeaderSegment(HeaderNames.ContentType);
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case "HTTP_ACCEPT":
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return new HeaderSegment(HeaderNames.Accept);
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case "HTTP_COOKIE":
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return new HeaderSegment(HeaderNames.Cookie);
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case "HTTP_HOST":
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return new HeaderSegment(HeaderNames.Host);
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case "HTTP_REFERER":
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return new HeaderSegment(HeaderNames.Referer);
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case "HTTP_USER_AGENT":
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return new HeaderSegment(HeaderNames.UserAgent);
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case "HTTP_CONNECTION":
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return new HeaderSegment(HeaderNames.Connection);
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case "HTTP_URL":
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return global ? (PatternSegment)new GlobalRuleUrlSegment() : (PatternSegment)new UrlSegment();
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case "HTTPS":
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return new IsHttpsUrlSegment();
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case "LOCAL_ADDR":
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return new LocalAddressSegment();
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case "HTTP_PROXY_CONNECTION":
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throw new NotSupportedException(Resources.FormatError_UnsupportedServerVariable(serverVariable));
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case "QUERY_STRING":
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return new QueryStringSegment();
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case "REMOTE_ADDR":
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return new RemoteAddressSegment();
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case "REMOTE_HOST":
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throw new NotSupportedException(Resources.FormatError_UnsupportedServerVariable(serverVariable));
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case "REMOTE_PORT":
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return new RemotePortSegment();
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case "REQUEST_FILENAME":
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return new RequestFileNameSegment();
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case "REQUEST_URI":
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return global ? (PatternSegment)new GlobalRuleUrlSegment() : (PatternSegment)new UrlSegment();
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default:
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throw new FormatException(Resources.FormatError_InputParserUnrecognizedParameter(serverVariable, context.Index));
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}
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}
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}
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}
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