Authentication

faraday/authentication.md at main · lostisland/faraday

Faraday.new(...) do |conn|
  conn.request :authorization, 'Bearer', 'authentication-token'
  # or
  # conn.request :authorization, 'Bearer', -> { MyAuthStorage.get_auth_token }
end

Faraday.new(...) do |conn|
  conn.request :authorization, :basic, 'username', 'password'
end

How to access the page protected by basic auth using Faraday? - Stack Overflow

connection = Faraday.new(url: url) do |conn|
  conn.basic_auth(username, password)
end

👆これは Deprecated な書き方なので注意⚠

WARNING: `Faraday::Connection#basic_auth` is deprecated; it will be removed in version 2.0.
While initializing your connection, use `#request(:basic_auth, ...)` instead.
See https://lostisland.github.io/faraday/middleware/authentication for more usage info.

Twitter認証

Ruby: Faraday を使って HTTP リクエストを送信する - Sarabande.jp

require 'faraday'
require 'faraday_middleware'
require 'base64'
require 'uri'

key = 'xxxxxxx'
secret = 'xxxxxxx'
basic_token = Base64.strict_encode64(URI.encode(key) + ':' + URI.encode(secret))

client = Faraday.new 'https://api.twitter.com' do |b|
  b.request :url_encoded
  b.response :json, :content_type => /\bjson$/
  b.adapter Faraday.default_adapter
end

client.authorization :Basic, basic_token
res = client.post 'oauth2/token', { :grant_type => 'client_credentials' }
bearer_token = res.body['access_token']

screen_name = 'sarabandejp'
client.authorization :Bearer, bearer_token
res = client.get '1.1/statuses/user_timeline.json?count=3&screen_name=' + screen_name

puts res.body[0]['text']

Simple get & post

Ruby HTTPクライアントの比較表 - Qiita

require "faraday"
res = Faraday.get "http://httpbin.org/get", {a: "hoge"}
res = Faraday.post "http://httpbin.org/post", {a: "hoge"}
p res.status    # => 200
p res.success?  # => true
res.headers.each do |k, v|
  puts "#{k}: #{v}"
end
puts res.body

conn = Faraday.new(:url => 'http://sushi.com') do |faraday|
  faraday.request  :url_encoded             # form-encode POST params
  faraday.response :logger                  # log requests to STDOUT
  faraday.adapter  Faraday.default_adapter  # make requests with Net::HTTP
end

conn.post do |req|
  req.url '/nigiri'
  req.headers['Content-Type'] = 'application/json'
  req.body = '{ "name": "Unagi" }'
end

## Per-request options ##

conn.get do |req|
  req.url '/search'
  req.options.timeout = 5           # open/read timeout in seconds
  req.options.open_timeout = 2      # connection open timeout in seconds
end

Request を組み立てる

Faradayの使い方 59のレシピ - 猫Rails

# コネクション生成時にミドルウェアをセット
connection = Faraday.new("http://example.com") do |builder|
  builder.request  :url_encoded  # リクエストパラメータをURLエンコードする
  builder.response :logger       # リクエスト・レスポンスの内容を標準出力に出力する
  builder.adapter  :net_http     # net/httpをアダプタに使う
end

# GETリクエスト
connection.get("/cats")

faraday のコード

faraday/faraday.rb at main · lostisland/faraday

Other Resources