public void MultipartReader_BufferSizeMustBeLargerThanBoundary_Throws()
{
var stream = MakeStream(ThreePartBody);
Assert.Throws <ArgumentOutOfRangeException>(() =>
{
var reader = new MultipartReader(Boundary, stream, 5);
});
}
public async Task MultipartReader_HeadersLengthExceeded_Throws()
{
var stream = MakeStream(OnePartBodyTwoHeaders);
var reader = new MultipartReader(Boundary, stream)
{
HeadersLengthLimit = 60,
};
var exception = await Assert.ThrowsAsync <InvalidDataException>(() => reader.ReadNextSectionAsync());
Assert.Equal("Line length limit 17 exceeded.", exception.Message);
}
public async Task MultipartReader_ReadSinglePartBodyWithoutLastCRLF_Success()
{
var stream = MakeStream(OnePartBodyWithoutFinalCRLF);
var reader = new MultipartReader(Boundary, stream);
var section = await reader.ReadNextSectionAsync();
Assert.NotNull(section);
Assert.Single(section.Headers);
Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
var buffer = new MemoryStream();
await section.Body.CopyToAsync(buffer);
Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
Assert.Null(await reader.ReadNextSectionAsync());
}
public async Task MultipartReader_ThreePartBody_Success()
{
var stream = MakeStream(ThreePartBody);
var reader = new MultipartReader(Boundary, stream);
var section = await reader.ReadNextSectionAsync();
Assert.NotNull(section);
Assert.Single(section.Headers);
Assert.Equal("form-data; name=\"text\"", section.Headers["Content-Disposition"][0]);
var buffer = new MemoryStream();
await section.Body.CopyToAsync(buffer);
Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
section = await reader.ReadNextSectionAsync();
Assert.NotNull(section);
Assert.Equal(2, section.Headers.Count);
Assert.Equal("form-data; name=\"file1\"; filename=\"a.txt\"", section.Headers["Content-Disposition"][0]);
Assert.Equal("text/plain", section.Headers["Content-Type"][0]);
buffer = new MemoryStream();
await section.Body.CopyToAsync(buffer);
Assert.Equal("Content of a.txt.\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
section = await reader.ReadNextSectionAsync();
Assert.NotNull(section);
Assert.Equal(2, section.Headers.Count);
Assert.Equal("form-data; name=\"file2\"; filename=\"a.html\"", section.Headers["Content-Disposition"][0]);
Assert.Equal("text/html", section.Headers["Content-Type"][0]);
buffer = new MemoryStream();
await section.Body.CopyToAsync(buffer);
Assert.Equal("<!DOCTYPE html><title>Content of a.html.</title>\r\n", Encoding.ASCII.GetString(buffer.ToArray()));
Assert.Null(await reader.ReadNextSectionAsync());
}
public async Task MultipartReader_ReadInvalidUtf8SurrogateHeader_ReplacementCharacters()
{
var body1 =
"--9051914041544843365972754266\r\n" +
"Content-Disposition: form-data; name=\"text\" filename=\"a";
var body2 =
".txt\"\r\n" +
"\r\n" +
"text default\r\n" +
"--9051914041544843365972754266--\r\n";
var stream = new MemoryStream();
var bytes = Encoding.UTF8.GetBytes(body1);
stream.Write(bytes, 0, bytes.Length);
// Write an invalid utf-8 segment in the middle
stream.Write(new byte[] { 0xED, 0xA0, 85 }, 0, 3);
bytes = Encoding.UTF8.GetBytes(body2);
stream.Write(bytes, 0, bytes.Length);
stream.Seek(0, SeekOrigin.Begin);
var reader = new MultipartReader(Boundary, stream);
var section = await reader.ReadNextSectionAsync();
Assert.NotNull(section);
Assert.Single(section.Headers);
Assert.Equal("form-data; name=\"text\" filename=\"a\uFFFDU.txt\"", section.Headers["Content-Disposition"][0]);
var buffer = new MemoryStream();
await section.Body.CopyToAsync(buffer);
Assert.Equal("text default", Encoding.ASCII.GetString(buffer.ToArray()));
Assert.Null(await reader.ReadNextSectionAsync());
}