Class: Rage::SidekiqSession

Inherits:
Object
  • Object
show all
Defined in:
lib/rage/sidekiq_session.rb

Overview

Used specifically for compatibility with Sidekiq's Web interface. Remove once we have real sessions or once Sidekiq's author decides they don't need cookie sessions to protect against CSRF.

Constant Summary collapse

KEY = 
Digest::SHA2.hexdigest(ENV["SECRET_KEY_BASE"] || File.read("Gemfile.lock") + File.read("config/routes.rb"))
SESSION_KEY = 
"rage.sidekiq.session"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ SidekiqSession

Returns a new instance of SidekiqSession.



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# File 'lib/rage/sidekiq_session.rb', line 32

def initialize(env)
  @env = env
  session = Rack::Utils.parse_cookies(@env)[SESSION_KEY]
  @data = decode_session(session)
end

Instance Attribute Details

#changed ⇒ Object (readonly)

Returns the value of attribute changed.



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# File 'lib/rage/sidekiq_session.rb', line 30

def changed
  @changed
end

Class Method Details

.with_session(env) ⇒ Object 



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# File 'lib/rage/sidekiq_session.rb', line 15

def self.with_session(env)
  env["rack.session"] = session = new(env)
  response = yield

  if session.changed
    Rack::Utils.set_cookie_header!(
      response[1],
      SESSION_KEY,
      { path: env["SCRIPT_NAME"], httponly: true, same_site: true, value: session.dump }
    )
  end

  response
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/rage/sidekiq_session.rb', line 38

def [](key)
  @data[key]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/rage/sidekiq_session.rb', line 42

def[]=(key, value)
  @changed = true
  @data[key] = value
end

#dump ⇒ Object 



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# File 'lib/rage/sidekiq_session.rb', line 51

def dump
  encoded_data = Marshal.dump(@data)
  signature = OpenSSL::HMAC.hexdigest("SHA256", KEY, encoded_data)

  Base64.urlsafe_encode64("#{encoded_data}--#{signature}")
end

#to_hash ⇒ Object 



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# File 'lib/rage/sidekiq_session.rb', line 47

def to_hash
  @data
end