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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Net;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Extensions.Hosting;
namespace Microsoft.AspNetCore.Rewrite.Tests.ModRewrite;
public class ModRewriteMiddlewareTest
{
[Fact]
public async Task Invoke_RewritePathWhenMatching()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader("RewriteRule /hey/(.*) /$1 "));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("/hey/hello");
Assert.Equal("/hello", response);
}
[Fact]
public async Task Invoke_RewritePathTerminatesOnFirstSuccessOfRule()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader("RewriteRule /hey/(.*) /$1 [L]"))
.AddApacheModRewrite(new StringReader("RewriteRule /hello /what"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("/hey/hello");
Assert.Equal("/hello", response);
}
[Fact]
public async Task Invoke_RewritePathDoesNotTerminateOnFirstSuccessOfRule()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader("RewriteRule /hey/(.*) /$1"))
.AddApacheModRewrite(new StringReader("RewriteRule /hello /what"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("/hey/hello");
Assert.Equal("/what", response);
}
[Fact]
public async Task Invoke_ShouldIgnoreComments()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader("#RewriteRule ^/hey/(.*) /$1 "));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("/hey/hello");
Assert.Equal("/hey/hello", response);
}
[Fact]
public async Task Invoke_ShouldRewriteHomepage()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(@"RewriteRule ^/$ /homepage.html"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org/");
Assert.Equal("/homepage.html", response);
}
[Fact]
public async Task Invoke_ShouldIgnorePorts()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(@"RewriteRule ^/$ /homepage.html"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org:42/");
Assert.Equal("/homepage.html", response);
}
[Fact]
public async Task Invoke_HandleNegatedRewriteRules()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(@"RewriteRule !^/$ /homepage.html"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org/");
Assert.Equal("/", response);
}
[Theory]
[InlineData("http://www.foo.org/homepage.aspx", @"RewriteRule (.*)\.aspx $1.php", "/homepage.php")]
[InlineData("http://www.foo.org/pages/homepage.aspx", @"RewriteRule (.*)/(.*)\.aspx $2.php", "/homepage.php")]
public async Task Invoke_BackReferencesShouldBeApplied(string url, string rule, string expected)
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(rule));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync(url);
Assert.Equal(expected, response);
}
[Theory]
[InlineData("http://www.foo.org/homepage.aspx", @"RewriteRule (.*)\.aspx $1.php", "/homepage.php")]
[InlineData("http://www.foo.org/homepage.ASPX", @"RewriteRule (.*)\.aspx $1.php", "/homepage.ASPX")]
[InlineData("http://www.foo.org/homepage.aspx", @"RewriteRule (.*)\.aspx $1.php [NC]", "/homepage.php")]
[InlineData("http://www.foo.org/homepage.ASPX", @"RewriteRule (.*)\.aspx $1.php [NC]", "/homepage.php")]
[InlineData("http://www.foo.org/homepage.aspx", @"RewriteRule (.*)\.aspx $1.php [nocase]", "/homepage.php")]
[InlineData("http://www.foo.org/homepage.ASPX", @"RewriteRule (.*)\.aspx $1.php [nocase]", "/homepage.php")]
public async Task Invoke_ShouldHandleFlagNoCase(string url, string rule, string expected)
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(rule));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync(url);
Assert.Equal(expected, response);
}
[Fact]
public async Task Invoke_CheckFullUrlWithOnlyPath()
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader(@"RewriteRule (.+) http://www.example.com$1/"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org/blog/2016-jun");
Assert.Equal(@"/blog/2016-jun/", response);
}
[Fact]
public async Task Invoke_CheckFullUrlWithUFlag()
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader(@"RewriteRule (.+) http://www.example.com$1/"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Scheme + "://" + context.Request.Host.Host + context.Request.Path + context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org/blog/2016-jun");
Assert.Equal(@"http://www.example.com/blog/2016-jun/", response);
}
[Fact]
public async Task Invoke_CheckModFileConditions()
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader(@"RewriteRule (.+) http://www.example.com$1/"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Scheme + "://" + context.Request.Host.Host + context.Request.Path + context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync("http://www.foo.org/blog/2016-jun");
Assert.Equal(@"http://www.example.com/blog/2016-jun/", response);
}
[Theory]
[InlineData("http://www.example.com/foo/")]
public async Task Invoke_EnsureHttps(string input)
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader("RewriteCond %{REQUEST_URI} /foo/ \nRewriteCond %{HTTPS} !on \nRewriteRule ^(.*)$ https://www.example.com$1 [R=301,L]"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Scheme + "://" + context.Request.Host.Host + context.Request.Path + context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetAsync(input);
Assert.Equal((HttpStatusCode)301, response.StatusCode);
Assert.Equal(@"https://www.example.com/foo/", response.Headers.Location.AbsoluteUri);
}
[Theory]
[InlineData("http://www.example.com/")]
public async Task Invoke_CaptureEmptyStringInRegexAssertRedirectLocationHasForwardSlash(string input)
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader("RewriteRule ^(.*)$ $1 [R=301,L]"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Scheme + "://" + context.Request.Host.Host + context.Request.Path + context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetAsync(input);
Assert.Equal(HttpStatusCode.MovedPermanently, response.StatusCode);
Assert.Equal("/", response.Headers.Location.OriginalString);
}
[Theory]
[InlineData("http://www.example.com/")]
public async Task Invoke_CaptureEmptyStringInRegexAssertRewriteHasForwardSlash(string input)
{
var options = new RewriteOptions()
.AddApacheModRewrite(new StringReader("RewriteRule ^(.*)$ $1 [L]"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(context.Request.Path + context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
var response = await server.CreateClient().GetStringAsync(input);
Assert.Equal("/", response);
}
[Fact]
public async Task Invoke_CaptureEmptyStringInRegexAssertLocationHeaderContainsPathBase()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(@"RewriteRule ^(.*)$ $1 [R=301,L]"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(
context.Request.Path +
context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
server.BaseAddress = new Uri("http://localhost:5000/foo");
var response = await server.CreateClient().GetAsync("");
Assert.Equal("/foo", response.Headers.Location.OriginalString);
}
[Fact]
public async Task CapturedVariablesInConditionsArePreservedToRewriteRule()
{
var options = new RewriteOptions().AddApacheModRewrite(new StringReader(@"RewriteCond %{REQUEST_URI} /home
RewriteCond %{QUERY_STRING} report_id=(.+)
RewriteRule (.*) http://localhost:80/home/report/%1 [R=301,L,QSD]"));
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
app.UseRewriter(options);
app.Run(context => context.Response.WriteAsync(
context.Request.Path +
context.Request.QueryString));
});
}).Build();
await host.StartAsync();
var server = host.GetTestServer();
server.BaseAddress = new Uri("http://localhost:5000/foo");
var response = await server.CreateClient().GetAsync("/home?report_id=123");
Assert.Equal("http://localhost:80/home/report/123", response.Headers.Location.OriginalString);
}
}
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