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A Faraday Middleware sets body encoding when specified by server.


Response body's encoding is set always ASCII-8BIT using with net/http adapter. Net::HTTP doesn't handle encoding when server specifies encoding in content-type header. Sometimes we caught an Error such as the following:

body = Faraday.new(url: 'https://example.com').get('/').body# body contains utf-8 string. ex: "赤坂"

body.to_json# => raise Encoding::UndefinedConversionError: "\xE8" from ASCII-8BIT to UTF-8

That's why I wrote Farday::Encoding gem.

SEE ALSO: response.body is ASCII-8BIT when Content-Type is text/xml; charset=utf-8


Add this line to your application's Gemfile:

gem 'faraday-encoding'

And then execute:

$ bundle

Or install it yourself as:

$ gem install faraday-encoding


require 'faraday/encoding'

conn = Faraday.new do |connection|
  connection.response :encoding  # use Faraday::Encoding middleware
  connection.adapter Faraday.default_adapter # net/http

response = conn.get '/nya.html'  # content-type is specified as 'text/plain; charset=utf-8'
response.body.encoding# => #<Encoding:UTF-8>


  1. Fork it ( https://github.com/ma2gedev/faraday-encoding/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request