private static async Task writeFileAsync(StreamWriter writer, MultiPartFile file)
{
string header = getFileSectionHeader(file);
await writer.WriteAsync(header);
await file.Writer.WriteAsync(writer.BaseStream);
await writer.WriteAsync(newLine);
}
private static void writeFile(StreamWriter writer, MultiPartFile file)
{
string header = getFileSectionHeader(file);
writer.Write(header);
file.Writer.Write(writer.BaseStream);
writer.Write(newLine);
}
public IMultiPartBodyBuilder WithFile(string name, string filePath, string contentType = null, NameValueCollection headers = null)
{
MultiPartFile file = new MultiPartFile()
{
Name = name,
FileName = Path.GetFileName(filePath),
ContentType = contentType,
Writer = MultiPartFile.GetPathWriter(filePath),
Headers = headers ?? new NameValueCollection()
};
fileStreams.Add(file);
return(this);
}
public IMultiPartBodyBuilder WithFile(string name, string fileName, byte[] content, string contentType = null, NameValueCollection headers = null)
{
MultiPartFile file = new MultiPartFile()
{
Name = name,
FileName = fileName,
ContentType = contentType,
Writer = MultiPartFile.GetStreamWriter(new MemoryStream(content)),
Headers = headers ?? new NameValueCollection()
};
fileStreams.Add(file);
return(this);
}
private static string getFileSectionHeader(MultiPartFile file)
{
WebHeaderCollection headers = new WebHeaderCollection();
headers.Add(file.Headers);
headers.Add("Content-Disposition", "form-data");
headers.Add("Content-Disposition", "name=\"" + escapeQuotes(file.Name) + "\"");
headers.Add("Content-Disposition", "filename=\"" + escapeQuotes(file.FileName) + "\"");
headers.Add("Content-Type", file.ContentType ?? "application/octet-stream");
StringBuilder builder = new StringBuilder();
builder.Append("--" + Boundary + newLine);
writeHeaders(builder, headers);
return(builder.ToString());
}
public void Add(string name, MultiPartFile file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
if (name == null)
{
nullFiles.Add(file);
}
else
{
List <MultiPartFile> files;
if (!fileLookup.TryGetValue(name ?? String.Empty, out files))
{
files = new List <MultiPartFile>();
fileLookup.Add(name ?? String.Empty, files);
}
files.Add(file);
}
}
public void Add(string name, MultiPartFile file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
if (name == null)
{
nullFiles.Add(file);
}
else
{
List<MultiPartFile> files;
if (!fileLookup.TryGetValue(name ?? String.Empty, out files))
{
files = new List<MultiPartFile>();
fileLookup.Add(name ?? String.Empty, files);
}
files.Add(file);
}
}
public static MultiPartResponse FromMultiPart(this IWebResponse response)
{
if (response == null)
{
throw new ArgumentNullException("response");
}
// Make sure it is a multi-part request
string[] parts = response.Response.ContentType.Split(';').Select(s => s.Trim()).ToArray();
if (!parts[0].Equals(ContentTypePrefix, StringComparison.InvariantCultureIgnoreCase))
{
return new MultiPartResponse() { Files = new MultiPartFileLookup(), FormData = new NameValueCollection() };
}
// 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 new MultiPartResponse() { Files = new MultiPartFileLookup(), FormData = new NameValueCollection() };
}
string boundary = contentTypeParameters["boundary"].First();
using (Stream responseStream = response.Response.GetResponseStream())
{
Encoding encoding = response.Response.ContentEncoding == null
? Encoding.UTF8
: Encoding.GetEncoding(response.Response.ContentEncoding);
StreamingMultiPartParser parser = new StreamingMultiPartParser(responseStream, encoding, boundary);
MultiPartFileLookup fileLookup = new MultiPartFileLookup();
NameValueCollection collection = new NameValueCollection();
parser.SectionFound += (o, e) =>
{
var data = getSectionData(e);
if (data == null)
{
return;
}
if (String.IsNullOrWhiteSpace(data.FileName))
{
string value = encoding.GetString(data.Contents);
collection.Add(data.Name, value);
}
else
{
var file = new MultiPartFile()
{
Name = data.Name,
FileName = data.FileName,
ContentType = data.ContentType,
Contents = data.Contents
};
fileLookup.Add(file.Name, file);
}
};
return new MultiPartResponse() { Files = fileLookup, FormData = collection };
}
}
public static MultiPartResponse FromMultiPart(this IWebResponse response)
{
if (response == null)
{
throw new ArgumentNullException("response");
}
// Make sure it is a multi-part request
string[] parts = response.Response.ContentType.Split(';').Select(s => s.Trim()).ToArray();
if (!parts[0].Equals(ContentTypePrefix, StringComparison.InvariantCultureIgnoreCase))
{
return(new MultiPartResponse()
{
Files = new MultiPartFileLookup(), FormData = new NameValueCollection()
});
}
// 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(new MultiPartResponse()
{
Files = new MultiPartFileLookup(), FormData = new NameValueCollection()
});
}
string boundary = contentTypeParameters["boundary"].First();
using (Stream responseStream = response.Response.GetResponseStream())
{
Encoding encoding = response.Response.ContentEncoding == null
? Encoding.UTF8
: Encoding.GetEncoding(response.Response.ContentEncoding);
StreamingMultiPartParser parser = new StreamingMultiPartParser(responseStream, encoding, boundary);
MultiPartFileLookup fileLookup = new MultiPartFileLookup();
NameValueCollection collection = new NameValueCollection();
parser.SectionFound += (o, e) =>
{
var data = getSectionData(e);
if (data == null)
{
return;
}
if (String.IsNullOrWhiteSpace(data.FileName))
{
string value = encoding.GetString(data.Contents);
collection.Add(data.Name, value);
}
else
{
var file = new MultiPartFile()
{
Name = data.Name,
FileName = data.FileName,
ContentType = data.ContentType,
Contents = data.Contents
};
fileLookup.Add(file.Name, file);
}
};
return(new MultiPartResponse()
{
Files = fileLookup, FormData = collection
});
}
}