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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.IO.Pipelines;
using System.Text;
namespace Microsoft.AspNetCore.Http.Features;
public class FormFeatureTests
{
[Fact]
public async Task ReadFormAsync_0ContentLength_ReturnsEmptyForm()
{
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.ContentLength = 0;
var formFeature = new FormFeature(context.Request, new FormOptions());
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.Same(FormCollection.Empty, formCollection);
}
[Fact]
public async Task FormFeatureReadsOptionsFromDefaultHttpContext()
{
var context = new DefaultHttpContext();
context.Request.ContentType = "application/x-www-form-urlencoded; charset=utf-8";
context.FormOptions = new FormOptions
{
ValueCountLimit = 1
};
var formContent = Encoding.UTF8.GetBytes("foo=bar&baz=2");
context.Request.Body = new NonSeekableReadStream(formContent);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form value count limit 1 exceeded.", exception.Message);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_SimpleData_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes("foo=bar&baz=2");
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = "application/x-www-form-urlencoded; charset=utf-8";
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.Equal("bar", formCollection["foo"]);
Assert.Equal("2", formCollection["baz"]);
Assert.Equal(bufferRequest, context.Request.Body.CanSeek);
if (bufferRequest)
{
Assert.Equal(0, context.Request.Body.Position);
}
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
// Cleanup
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_SimpleData_ReplacePipeReader_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes("foo=bar&baz=2");
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = "application/x-www-form-urlencoded; charset=utf-8";
var pipe = new Pipe();
await pipe.Writer.WriteAsync(formContent);
pipe.Writer.Complete();
var mockFeature = new MockRequestBodyPipeFeature();
mockFeature.Reader = pipe.Reader;
context.Features.Set<IRequestBodyPipeFeature>(mockFeature);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.Equal("bar", formCollection["foo"]);
Assert.Equal("2", formCollection["baz"]);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
// Cleanup
await responseFeature.CompleteAsync();
}
private class MockRequestBodyPipeFeature : IRequestBodyPipeFeature
{
public PipeReader Reader { get; set; }
}
private const string MultipartContentType = "multipart/form-data; boundary=WebKitFormBoundary5pDRpGheQXaM8k3T";
private const string MultipartContentTypeWithSpecialCharacters = "multipart/form-data; boundary=\"WebKitFormBoundary/:5pDRpGheQXaM8k3T\"";
private const string EmptyMultipartForm = "--WebKitFormBoundary5pDRpGheQXaM8k3T--";
// Note that CRLF (\r\n) is required. You can't use multi-line C# strings here because the line breaks on Linux are just LF.
private const string MultipartFormEnd = "--WebKitFormBoundary5pDRpGheQXaM8k3T--\r\n";
private const string MultipartFormEndWithSpecialCharacters = "--WebKitFormBoundary/:5pDRpGheQXaM8k3T--\r\n";
private const string MultipartFormField = "--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: form-data; name=\"description\"\r\n" +
"\r\n" +
"Foo\r\n";
private const string MultipartFormFile = "--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: form-data; name=\"myfile1\"; filename=\"temp.html\"\r\n" +
"Content-Type: text/html\r\n" +
"\r\n" +
"<html><body>Hello World</body></html>\r\n";
private const string MultipartFormEncodedFilename = "--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: form-data; name=\"myfile1\"; filename=\"temp.html\"; filename*=utf-8\'\'t%c3%a9mp.html\r\n" +
"Content-Type: text/html\r\n" +
"\r\n" +
"<html><body>Hello World</body></html>\r\n";
private const string MultipartFormFileSpecialCharacters = "--WebKitFormBoundary/:5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: form-data; name=\"description\"\r\n" +
"\r\n" +
"Foo\r\n";
private const string InvalidContentDispositionValue = "form-data; name=\"description\" - filename=\"temp.html\"";
private const string MultipartFormFileInvalidContentDispositionValue = "--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: " +
InvalidContentDispositionValue +
"\r\n" +
"\r\n" +
"Foo\r\n";
private const string MultipartFormFileNonFormOrFileContentDispositionValue = "--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition:x" +
"\r\n" +
"\r\n" +
"Foo\r\n";
private const string MultipartFormWithField =
MultipartFormField +
MultipartFormEnd;
private const string MultipartFormWithFile =
MultipartFormFile +
MultipartFormEnd;
private const string MultipartFormWithFieldAndFile =
MultipartFormField +
MultipartFormFile +
MultipartFormEnd;
private const string MultipartFormWithEncodedFilename =
MultipartFormEncodedFilename +
MultipartFormEnd;
private const string MultipartFormWithSpecialCharacters =
MultipartFormFileSpecialCharacters +
MultipartFormEndWithSpecialCharacters;
private const string MultipartFormWithInvalidContentDispositionValue =
MultipartFormFileInvalidContentDispositionValue +
MultipartFormEnd;
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadForm_EmptyMultipart_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(EmptyMultipartForm);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = context.Request.Form;
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formCollection, formFeature.Form);
Assert.Same(formCollection, await context.Request.ReadFormAsync());
// Content
Assert.Equal(0, formCollection.Count);
Assert.NotNull(formCollection.Files);
Assert.Empty(formCollection.Files);
// Cleanup
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadForm_MultipartWithField_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithField);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = context.Request.Form;
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formCollection, formFeature.Form);
Assert.Same(formCollection, await context.Request.ReadFormAsync());
// Content
Assert.Equal(1, formCollection.Count);
Assert.Equal("Foo", formCollection["description"]);
Assert.NotNull(formCollection.Files);
Assert.Empty(formCollection.Files);
// Cleanup
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_MultipartWithFile_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithFile);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
Assert.Same(formCollection, context.Request.Form);
// Content
Assert.Equal(0, formCollection.Count);
Assert.NotNull(formCollection.Files);
Assert.Single(formCollection.Files);
var file = formCollection.Files["myfile1"];
Assert.Equal("myfile1", file.Name);
Assert.Equal("temp.html", file.FileName);
Assert.Equal("text/html", file.ContentType);
Assert.Equal(@"form-data; name=""myfile1""; filename=""temp.html""", file.ContentDisposition);
var body = file.OpenReadStream();
using (var reader = new StreamReader(body))
{
Assert.True(body.CanSeek);
var content = reader.ReadToEnd();
Assert.Equal("<html><body>Hello World</body></html>", content);
}
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_MultipartWithFileAndQuotedBoundaryString_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithSpecialCharacters);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentTypeWithSpecialCharacters;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = context.Request.Form;
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formCollection, formFeature.Form);
Assert.Same(formCollection, await context.Request.ReadFormAsync());
// Content
Assert.Equal(1, formCollection.Count);
Assert.Equal("Foo", formCollection["description"]);
Assert.NotNull(formCollection.Files);
Assert.Empty(formCollection.Files);
// Cleanup
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_MultipartWithEncodedFilename_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithEncodedFilename);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
Assert.Same(formCollection, context.Request.Form);
// Content
Assert.Equal(0, formCollection.Count);
Assert.NotNull(formCollection.Files);
Assert.Single(formCollection.Files);
var file = formCollection.Files["myfile1"];
Assert.Equal("myfile1", file.Name);
Assert.Equal("t\u00e9mp.html", file.FileName);
Assert.Equal("text/html", file.ContentType);
Assert.Equal(@"form-data; name=""myfile1""; filename=""temp.html""; filename*=utf-8''t%c3%a9mp.html", file.ContentDisposition);
var body = file.OpenReadStream();
using (var reader = new StreamReader(body))
{
Assert.True(body.CanSeek);
var content = reader.ReadToEnd();
Assert.Equal("<html><body>Hello World</body></html>", content);
}
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_MultipartWithFieldAndFile_ReturnsParsedFormCollection(bool bufferRequest)
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithFieldAndFile);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
Assert.Same(formCollection, context.Request.Form);
// Content
Assert.Equal(1, formCollection.Count);
Assert.Equal("Foo", formCollection["description"]);
Assert.NotNull(formCollection.Files);
Assert.Single(formCollection.Files);
var file = formCollection.Files["myfile1"];
Assert.Equal("text/html", file.ContentType);
Assert.Equal(@"form-data; name=""myfile1""; filename=""temp.html""", file.ContentDisposition);
var body = file.OpenReadStream();
using (var reader = new StreamReader(body))
{
Assert.True(body.CanSeek);
var content = reader.ReadToEnd();
Assert.Equal("<html><body>Hello World</body></html>", content);
}
await responseFeature.CompleteAsync();
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_NonFormOrFieldContentDisposition_ValueCountLimitExceeded_Throw(bool bufferRequest)
{
var formContent = new List<byte>();
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFileNonFormOrFileContentDispositionValue));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFileNonFormOrFileContentDispositionValue));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFileNonFormOrFileContentDispositionValue));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormEnd));
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent.ToArray());
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest, ValueCountLimit = 2 });
context.Features.Set<IFormFeature>(formFeature);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form value count limit 2 exceeded.", exception.Message);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_ValueCountLimitExceeded_Throw(bool bufferRequest)
{
var formContent = new List<byte>();
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormField));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormField));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormField));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormEnd));
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent.ToArray());
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest, ValueCountLimit = 2 });
context.Features.Set<IFormFeature>(formFeature);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form value count limit 2 exceeded.", exception.Message);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_ValueCountLimitExceededWithFiles_Throw(bool bufferRequest)
{
var formContent = new List<byte>();
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFile));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFile));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFile));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormEnd));
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent.ToArray());
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest, ValueCountLimit = 2 });
context.Features.Set<IFormFeature>(formFeature);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form value count limit 2 exceeded.", exception.Message);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public async Task ReadFormAsync_ValueCountLimitExceededWithMixedDisposition_Throw(bool bufferRequest)
{
var formContent = new List<byte>();
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormField));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFile));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormFileNonFormOrFileContentDispositionValue));
formContent.AddRange(Encoding.UTF8.GetBytes(MultipartFormEnd));
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent.ToArray());
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest, ValueCountLimit = 2 });
context.Features.Set<IFormFeature>(formFeature);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form value count limit 2 exceeded.", exception.Message);
}
[Theory]
// FileBufferingReadStream transitions to disk storage after 30kb, and stops pooling buffers at 1mb.
[InlineData(true, 1024)]
[InlineData(false, 1024)]
[InlineData(true, 40 * 1024)]
[InlineData(false, 40 * 1024)]
[InlineData(true, 4 * 1024 * 1024)]
[InlineData(false, 4 * 1024 * 1024)]
public async Task ReadFormAsync_MultipartWithFieldAndMediumFile_ReturnsParsedFormCollection(bool bufferRequest, int fileSize)
{
var fileContents = CreateFile(fileSize);
var formContent = CreateMultipartWithFormAndFile(fileContents);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions() { BufferBody = bufferRequest });
context.Features.Set<IFormFeature>(formFeature);
var formCollection = await context.Request.ReadFormAsync();
Assert.NotNull(formCollection);
// Cached
formFeature = context.Features.Get<IFormFeature>();
Assert.NotNull(formFeature);
Assert.NotNull(formFeature.Form);
Assert.Same(formFeature.Form, formCollection);
Assert.Same(formCollection, context.Request.Form);
// Content
Assert.Equal(1, formCollection.Count);
Assert.Equal("Foo", formCollection["description"]);
Assert.NotNull(formCollection.Files);
Assert.Single(formCollection.Files);
var file = formCollection.Files["myfile1"];
Assert.Equal("text/html", file.ContentType);
Assert.Equal(@"form-data; name=""myfile1""; filename=""temp.html""", file.ContentDisposition);
using (var body = file.OpenReadStream())
{
Assert.True(body.CanSeek);
CompareStreams(fileContents, body);
}
await responseFeature.CompleteAsync();
}
[Fact]
public async Task ReadFormAsync_MultipartWithInvalidContentDisposition_Throw()
{
var formContent = Encoding.UTF8.GetBytes(MultipartFormWithInvalidContentDispositionValue);
var context = new DefaultHttpContext();
var responseFeature = new FakeResponseFeature();
context.Features.Set<IHttpResponseFeature>(responseFeature);
context.Request.ContentType = MultipartContentType;
context.Request.Body = new NonSeekableReadStream(formContent);
IFormFeature formFeature = new FormFeature(context.Request, new FormOptions());
context.Features.Set<IFormFeature>(formFeature);
var exception = await Assert.ThrowsAsync<InvalidDataException>(() => context.Request.ReadFormAsync());
Assert.Equal("Form section has invalid Content-Disposition value: " + InvalidContentDispositionValue, exception.Message);
}
private Stream CreateFile(int size)
{
var stream = new MemoryStream(size);
var bytes = Encoding.ASCII.GetBytes("HelloWorld_ABCDEFGHIJKLMNOPQRSTUVWXYZ.abcdefghijklmnopqrstuvwxyz,0123456789;");
int written = 0;
while (written < size)
{
var toWrite = Math.Min(size - written, bytes.Length);
stream.Write(bytes, 0, toWrite);
written += toWrite;
}
stream.Position = 0;
return stream;
}
private Stream CreateMultipartWithFormAndFile(Stream fileContents)
{
var stream = new MemoryStream();
var header =
MultipartFormField +
"--WebKitFormBoundary5pDRpGheQXaM8k3T\r\n" +
"Content-Disposition: form-data; name=\"myfile1\"; filename=\"temp.html\"\r\n" +
"Content-Type: text/html\r\n" +
"\r\n";
var footer =
"\r\n--WebKitFormBoundary5pDRpGheQXaM8k3T--";
var bytes = Encoding.ASCII.GetBytes(header);
stream.Write(bytes, 0, bytes.Length);
fileContents.CopyTo(stream);
fileContents.Position = 0;
bytes = Encoding.ASCII.GetBytes(footer);
stream.Write(bytes, 0, bytes.Length);
stream.Position = 0;
return stream;
}
private void CompareStreams(Stream streamA, Stream streamB)
{
Assert.Equal(streamA.Length, streamB.Length);
byte[] bytesA = new byte[1024], bytesB = new byte[1024];
var readA = streamA.Read(bytesA, 0, bytesA.Length);
var readB = streamB.Read(bytesB, 0, bytesB.Length);
Assert.Equal(readA, readB);
var loops = 0;
while (readA > 0)
{
for (int i = 0; i < readA; i++)
{
if (bytesA[i] != bytesB[i])
{
throw new Exception($"Value mismatch at loop {loops}, index {i}; A:{bytesA[i]}, B:{bytesB[i]}");
}
}
readA = streamA.Read(bytesA, 0, bytesA.Length);
readB = streamB.Read(bytesB, 0, bytesB.Length);
Assert.Equal(readA, readB);
loops++;
}
}
}
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