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Ruby Net::HTTP cheat sheet

A bunch of examples of various use cases, implemented with Ruby's Net::HTTP library.

Alternatives to Net::HTTP

This cheat sheet was created many years ago, when invoking Net::HTTP directly was common. These days, there are better alternatives around, with much nicer APIs.

Compare multipart file uploads with Net::HTTP:

BOUNDARY = "AaB03x"

uri = URI.parse("http://something.com/uploads")
file = "/path/to/your/testfile.txt"

post_body = []
post_body << "--#{BOUNDARY}\r\n"
post_body << "Content-Disposition: form-data; name=\"datafile\"; filename=\"#{File.basename(file)}\"\r\n"
post_body << "Content-Type: text/plain\r\n"
post_body << "\r\n"
post_body << File.read(file)
post_body << "\r\n--#{BOUNDARY}--\r\n"

http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri)
request.body = post_body.join
request["Content-Type"] = "multipart/form-data, boundary=#{BOUNDARY}"

http.request(request)

And file uploads with RestClient - just a single line, and no shoddy manual string concatenation:

RestClient.post '/data', :myfile => File.new("/path/to/image.jpg", 'rb')

Check out RestClient! https://github.com/rest-client/rest-client