296 lines
11 KiB
C#
296 lines
11 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. 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.IO;
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using System.Text;
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using System.Threading.Tasks;
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using Xunit;
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namespace Microsoft.AspNet.WebUtilities
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{
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public class MultipartReaderTests
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{
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private const string Boundary = "9051914041544843365972754266";
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private const string OnePartBody =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266--
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";
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private const string OnePartBodyWithTrailingWhitespace =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266--
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";
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// It's non-compliant but common to leave off the last CRLF.
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private const string OnePartBodyWithoutFinalCRLF =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266--";
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private const string TwoPartBody =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266
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Content-Disposition: form-data; name=""file1""; filename=""a.txt""
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Content-Type: text/plain
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Content of a.txt.
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--9051914041544843365972754266--
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";
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private const string TwoPartBodyWithUnicodeFileName =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266
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Content-Disposition: form-data; name=""file1""; filename=""a色.txt""
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Content-Type: text/plain
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Content of a.txt.
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--9051914041544843365972754266--
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";
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private const string ThreePartBody =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text""
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text default
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--9051914041544843365972754266
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Content-Disposition: form-data; name=""file1""; filename=""a.txt""
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Content-Type: text/plain
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Content of a.txt.
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--9051914041544843365972754266
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Content-Disposition: form-data; name=""file2""; filename=""a.html""
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Content-Type: text/html
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<!DOCTYPE html><title>Content of a.html.</title>
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--9051914041544843365972754266--
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";
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private static MemoryStream MakeStream(string text)
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{
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return new MemoryStream(Encoding.UTF8.GetBytes(text));
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}
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[Fact]
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public async Task MutipartReader_ReadSinglePartBody_Success()
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{
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var stream = MakeStream(OnePartBody);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadSinglePartBodyWithTrailingWhitespace_Success()
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{
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var stream = MakeStream(OnePartBodyWithTrailingWhitespace);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadSinglePartBodyWithoutLastCRLF_Success()
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{
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var stream = MakeStream(OnePartBodyWithoutFinalCRLF);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadTwoPartBody_Success()
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{
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var stream = MakeStream(TwoPartBody);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(2, section.Headers.Count);
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Assert.Equal("form-data; name=\"file1\"; filename=\"a.txt\"", section.Headers["Content-Disposition"][0]);
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Assert.Equal("text/plain", section.Headers["Content-Type"][0]);
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buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("Content of a.txt.\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadTwoPartBodyWithUnicodeFileName_Success()
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{
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var stream = MakeStream(TwoPartBodyWithUnicodeFileName);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(2, section.Headers.Count);
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Assert.Equal("form-data; name=\"file1\"; filename=\"a色.txt\"", section.Headers["Content-Disposition"][0]);
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Assert.Equal("text/plain", section.Headers["Content-Type"][0]);
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buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("Content of a.txt.\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ThreePartBody_Success()
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{
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var stream = MakeStream(ThreePartBody);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(2, section.Headers.Count);
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Assert.Equal("form-data; name=\"file1\"; filename=\"a.txt\"", section.Headers["Content-Disposition"][0]);
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Assert.Equal("text/plain", section.Headers["Content-Type"][0]);
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buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("Content of a.txt.\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
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section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(2, section.Headers.Count);
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Assert.Equal("form-data; name=\"file2\"; filename=\"a.html\"", section.Headers["Content-Disposition"][0]);
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Assert.Equal("text/html", section.Headers["Content-Type"][0]);
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buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("<!DOCTYPE html><title>Content of a.html.</title>\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadInvalidUtf8Header_ReplacementCharacters()
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{
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var body1 =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text"" filename=""a";
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var body2 =
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@".txt""
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text default
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--9051914041544843365972754266--
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";
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var stream = new MemoryStream();
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var bytes = Encoding.UTF8.GetBytes(body1);
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stream.Write(bytes, 0, bytes.Length);
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// Write an invalid utf-8 segment in the middle
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stream.Write(new byte[] { 0xC1, 0x21 }, 0, 2);
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bytes = Encoding.UTF8.GetBytes(body2);
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stream.Write(bytes, 0, bytes.Length);
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stream.Seek(0, SeekOrigin.Begin);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\" filename=\"a\uFFFD!.txt\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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[Fact]
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public async Task MutipartReader_ReadInvalidUtf8SurrogateHeader_ReplacementCharacters()
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{
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var body1 =
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@"--9051914041544843365972754266
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Content-Disposition: form-data; name=""text"" filename=""a";
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var body2 =
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@".txt""
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text default
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--9051914041544843365972754266--
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";
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var stream = new MemoryStream();
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var bytes = Encoding.UTF8.GetBytes(body1);
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stream.Write(bytes, 0, bytes.Length);
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// Write an invalid utf-8 segment in the middle
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stream.Write(new byte[] { 0xED, 0xA0, 85 }, 0, 3);
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bytes = Encoding.UTF8.GetBytes(body2);
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stream.Write(bytes, 0, bytes.Length);
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stream.Seek(0, SeekOrigin.Begin);
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var reader = new MultipartReader(Boundary, stream);
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var section = await reader.ReadNextSectionAsync();
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Assert.NotNull(section);
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Assert.Equal(1, section.Headers.Count);
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Assert.Equal("form-data; name=\"text\" filename=\"a\uFFFDU.txt\"", section.Headers["Content-Disposition"][0]);
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var buffer = new MemoryStream();
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await section.Body.CopyToAsync(buffer);
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Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
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Assert.Null(await reader.ReadNextSectionAsync());
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}
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}
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} |