public void ShouldHandleEmptyContent()
{
Encoding encoding = Encoding.UTF8;
byte[] binaryContent = encoding.GetBytes(String.Empty);
MemoryStream bodyStream = new MemoryStream(binaryContent);
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, "AaB03x");
parser.PreambleFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.SectionFound += (o, e) => Assert.Fail("No sections should be found if the contents are empty.");
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
}
public void ShouldHandlePreambleOnly()
{
Encoding encoding = Encoding.UTF8;
const string preamble = "This is an invalid message containing only a preamble.";
byte[] binaryContent = encoding.GetBytes(preamble);
MemoryStream bodyStream = new MemoryStream(binaryContent);
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, "AaB03x");
parser.PreambleFound += (o, e) => Assert.AreEqual(preamble, toString(encoding, e));
parser.SectionFound += (o, e) => Assert.Fail("No sections should be found if the contents are empty.");
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
}
public void ShouldHandleEndBoundaryOnly()
{
Encoding encoding = Encoding.UTF8;
const string boundary = "ABC123abc456";
const string contents = "--" + boundary + "--";
byte[] binaryContent = encoding.GetBytes(contents);
MemoryStream bodyStream = new MemoryStream(binaryContent);
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, boundary);
parser.PreambleFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.SectionFound += (o, e) => Assert.Fail("No sections should be returned if the content is just the end boundary.");
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
}
public void ShouldHandlePartialSection()
{
Encoding encoding = Encoding.UTF8;
const string contents = "--" + boundary + @"
" + formDataHeaderName1 + ": " + formDataHeaderValue1 + @"
";
byte[] binaryContent = encoding.GetBytes(contents);
MemoryStream bodyStream = new MemoryStream(binaryContent);
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, boundary);
parser.PreambleFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.SectionFound += (o, e) => Assert.Fail("No sections should be returned if the content is just the end boundary.");
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
}
public void ShouldHandlePreambleWithStartBoundary()
{
Encoding encoding = Encoding.UTF8;
const string boundary = "ABC123abc456";
const string thisPreamble = "This is an invalid message containing only a preamble.";
const string contents = thisPreamble + @"
--" + boundary;
byte[] binaryContent = encoding.GetBytes(contents);
MemoryStream bodyStream = new MemoryStream(binaryContent);
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, boundary);
parser.PreambleFound += (o, e) => Assert.AreEqual(thisPreamble, toString(encoding, e));
parser.SectionFound += (o, e) => Assert.Fail("No sections should be returned because the message ends prematurely.");
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
}
public void ShouldHandleMultiPartMixedContent()
{
Encoding encoding = Encoding.UTF8;
byte[] binaryContent = encoding.GetBytes(getMultiPartMixedContents());
MemoryStream bodyStream = new MemoryStream(binaryContent);
List <MultiPartSection> sections = new List <MultiPartSection>();
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, "AaB03x");
parser.PreambleFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.SectionFound += (o, e) => sections.Add(e);
parser.EpilogueFound += (o, e) => Assert.AreEqual(String.Empty, toString(encoding, e));
parser.Parse().Wait();
Assert.AreEqual(3, sections.Count, "The wrong number of sections were found.");
Assert.AreEqual("Larry", toString(encoding, sections[0].Content), "The first section content was wrong.");
Assert.AreEqual("... contents of file1.txt ...", toString(encoding, sections[1].Content), "The second section content was wrong.");
Assert.AreEqual("...contents of file2.gif...", toString(encoding, sections[2].Content), "The third section content was wrong.");
}
public void ShouldParseMultiPartFile()
{
Encoding encoding = Encoding.UTF8;
byte[] binaryContent = encoding.GetBytes(getMultiPartContents());
MemoryStream bodyStream = new MemoryStream(binaryContent);
List <MultiPartSection> sections = new List <MultiPartSection>();
StreamingMultiPartParser parser = new StreamingMultiPartParser(bodyStream, encoding, boundary);
string parsedPreamble = null;
string parsedEpilogue = null;
parser.PreambleFound += (o, e) => parsedPreamble = toString(encoding, e);
parser.SectionFound += (o, e) => sections.Add(e);
parser.EpilogueFound += (o, e) => parsedEpilogue = toString(encoding, e);
parser.Parse().Wait();
Assert.AreEqual(preamble, parsedPreamble, "The preample was not read correctly.");
Assert.AreEqual(2, sections.Count, "Two sections should have been parsed from the body.");
var section1 = sections[0];
Assert.AreEqual(formDataHeaderValue1, section1.Headers[formDataHeaderName1], "The first header was not parsed.");
string parsedFormData = toString(encoding, section1.Content);
Assert.AreEqual(formData, parsedFormData, "The form data was not read correctly.");
var section2 = sections[1];
Assert.AreEqual(formDataHeaderValue2, section2.Headers[formDataHeaderName2], "The second header was not parsed.");
Assert.AreEqual(formDataHeaderValue3, section2.Headers[formDataHeaderName3], "The third header was not parsed.");
string parsedFileData = toString(encoding, section2.Content);
Assert.AreEqual(fileData, parsedFileData, "The file data was not read correctly.");
Assert.AreEqual(epilogue, parsedEpilogue, "The epilogue was not parsed.");
}
public void Extract(HttpListenerRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (!request.HasEntityBody)
{
return;
}
// Make sure it is a multi-part request
string[] parts = request.ContentType.Split(';').Select(s => s.Trim()).ToArray();
if (!parts[0].Equals("multipart/form-data", StringComparison.InvariantCultureIgnoreCase))
{
return;
}
// Parse the content type parameters
var contentTypeParameters = parts
.Skip(1)
.Select(p => p.Split(new char[] { '=' }, 2))
.Where(p => p.Length == 2)
.ToLookup(p => p[0], p => p[1], StringComparer.InvariantCultureIgnoreCase);
// Check the boundary is specified, and only once
if (contentTypeParameters["boundary"].Count() != 1)
{
return;
}
string boundary = contentTypeParameters["boundary"].First();
using (Stream responseStream = request.InputStream)
{
Encoding encoding = request.ContentEncoding;
StreamingMultiPartParser parser = new StreamingMultiPartParser(responseStream, encoding, boundary);
parser.SectionFound += (o, e) =>
{
var data = getSectionData(e);
if (data == null)
{
return;
}
if (String.IsNullOrWhiteSpace(data.FileName))
{
string value = encoding.GetString(data.Contents);
this.parameters.Add(data.Name, value);
}
else
{
var file = new MultiPartFile()
{
Name = data.Name,
FileName = data.FileName,
ContentType = data.ContentType,
Contents = data.Contents
};
this.files.Add(file.Name, file);
}
};
parser.Parse().Wait();
}
}
public void Extract(HttpListenerRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (!request.HasEntityBody)
{
return;
}
// Make sure it is a multi-part request
string[] parts = request.ContentType.Split(';').Select(s => s.Trim()).ToArray();
if (!parts[0].Equals("multipart/form-data", StringComparison.InvariantCultureIgnoreCase))
{
return;
}
// Parse the content type parameters
var contentTypeParameters = parts
.Skip(1)
.Select(p => p.Split(new char[] { '=' }, 2))
.Where(p => p.Length == 2)
.ToLookup(p => p[0], p => p[1], StringComparer.InvariantCultureIgnoreCase);
// Check the boundary is specified, and only once
if (contentTypeParameters["boundary"].Count() != 1)
{
return;
}
string boundary = contentTypeParameters["boundary"].First();
using (Stream responseStream = request.InputStream)
{
Encoding encoding = request.ContentEncoding;
StreamingMultiPartParser parser = new StreamingMultiPartParser(responseStream, encoding, boundary);
parser.SectionFound += (o, e) =>
{
var data = getSectionData(e);
if (data == null)
{
return;
}
if (String.IsNullOrWhiteSpace(data.FileName))
{
string value = encoding.GetString(data.Contents);
this.parameters.Add(data.Name, value);
}
else
{
var file = new MultiPartFile()
{
Name = data.Name,
FileName = data.FileName,
ContentType = data.ContentType,
Contents = data.Contents
};
this.files.Add(file.Name, file);
}
};
parser.Parse().Wait();
}
}
