Module: Passwordless::ControllerHelpers

Included in:
SessionsController
Defined in:
lib/passwordless/controller_helpers.rb

Overview

Helpers to work with Passwordless sessions from controllers

Instance Method Summary collapse

Instance Method Details

Deprecated.

Use #authenticate_by_session

Authenticate a record using cookies. Looks for a cookie corresponding to the authenticatable_class. If found try to find it in the database.

Parameters:

  • authenticatable_class (ActiveRecord::Base) —

    any Model connected to passwordless. (e.g - User or Admin).

Returns:

  • (ActiveRecord::Base|nil) —

    an instance of Model found by id stored in cookies.encrypted or nil if nothing is found.

See Also:



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# File 'lib/passwordless/controller_helpers.rb', line 34

def authenticate_by_cookie(authenticatable_class)
  key = cookie_name(authenticatable_class)
  authenticatable_id = cookies.encrypted[key]

  return authenticatable_class.find_by(id: authenticatable_id) if authenticatable_id

  authenticate_by_session(authenticatable_class)
end

#authenticate_by_session(authenticatable_class) ⇒ ActiveRecord::Base|nil

Authenticate a record using the session. Looks for a session key corresponding to the authenticatable_class. If found try to find it in the database.

Parameters:

  • authenticatable_class (ActiveRecord::Base) —

    any Model connected to passwordless. (e.g - User or Admin).

Returns:

  • (ActiveRecord::Base|nil) —

    an instance of Model found by id stored in cookies.encrypted or nil if nothing is found.

See Also:



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# File 'lib/passwordless/controller_helpers.rb', line 66

def authenticate_by_session(authenticatable_class)
  return unless find_passwordless_session_for(authenticatable_class)&.available?
  find_passwordless_session_for(authenticatable_class).authenticatable
end

#build_passwordless_session(authenticatable) ⇒ Session

Build a new Passwordless::Session from an authenticatable record. Set’s ‘user_agent` and `remote_addr` from Rails’ ‘request`.

Parameters:

  • authenticatable (ActiveRecord::Base) —

    Instance of an authenticatable Rails model

Returns:

  • (Session) —

    the new Session object

See Also:



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# File 'lib/passwordless/controller_helpers.rb', line 18

def build_passwordless_session(authenticatable)
  Session.new.tap do |us|
    us.remote_addr = request.remote_addr
    us.user_agent = request.env["HTTP_USER_AGENT"]
    us.authenticatable = authenticatable
  end
end

#find_passwordless_session_for(authenticatable_class) ⇒ Session?

Returns the Session (if set) from the session.

Returns:



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# File 'lib/passwordless/controller_helpers.rb', line 8

def find_passwordless_session_for(authenticatable_class)
  Passwordless::Session.find_by(id: session[session_key(authenticatable_class)])
end

#redirect_session_key(authenticatable_class) ⇒ Object 



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# File 'lib/passwordless/controller_helpers.rb', line 135

def redirect_session_key(authenticatable_class)
  :"passwordless_prev_location--#{authenticatable_class_parameterized(authenticatable_class)}"
end

#reset_passwordless_redirect_location!(authenticatable_class) ⇒ String?

Resets the redirect_location to root_path by deleting the redirect_url from session.

Parameters:

  • authenticatable_class (ActiveRecord::Base) —

    any Model connected to passwordless. (e.g - User or Admin).

Returns:

  • (String, nil) —

    the redirect url that was just deleted, or nil if no url found for given Model.



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# File 'lib/passwordless/controller_helpers.rb', line 127

def reset_passwordless_redirect_location!(authenticatable_class)
  session.delete(redirect_session_key(authenticatable_class))
end

#save_passwordless_redirect_location!(authenticatable_class) ⇒ String

Saves request.original_url as the redirect location for a passwordless Model.

Parameters:

  • authenticatable_class (ActiveRecord::Base) —

    any Model connected to passwordless. (e.g - User or Admin).

Returns:

  • (String) —

    the redirect url that was just saved.



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# File 'lib/passwordless/controller_helpers.rb', line 118

def save_passwordless_redirect_location!(authenticatable_class)
  session[redirect_session_key(authenticatable_class)] = request.original_url
end

#session_key(authenticatable_class) ⇒ Object 



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# File 'lib/passwordless/controller_helpers.rb', line 131

def session_key(authenticatable_class)
  :"passwordless_session_id--#{authenticatable_class_parameterized(authenticatable_class)}"
end

#sign_in(record) ⇒ ActiveRecord::Base

Signs in session to sign in

Parameters:

Returns:

  • (ActiveRecord::Base) —

    the record that is passed in.

Raises:



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# File 'lib/passwordless/controller_helpers.rb', line 75

def (record)
  passwordless_session =
    if record.is_a?(Passwordless::Session)
      record
    else
      warn "Passwordless::ControllerHelpers#sign_in with authenticatable " \
        "(`#{record.class}') is deprecated. Falling back to creating a " \
        "new Passwordless::Session"
      build_passwordless_session(record).tap { |s| s.save! }
    end

  passwordless_session.claim! if Passwordless.restrict_token_reuse

  raise Passwordless::Errors::SessionTimedOutError if passwordless_session.timed_out?

  key = session_key(passwordless_session.authenticatable_type)
  session[key] = passwordless_session.id

  if record.is_a?(Passwordless::Session)
    passwordless_session
  else
    passwordless_session.authenticatable
  end
end

#sign_out(authenticatable_class) ⇒ boolean

Signs out user by deleting the session key.

Parameters:

  • authenticatable_class (ActiveRecord::Base) —

    any Model connected to passwordless. (e.g - User or Admin).

Returns:

  • (boolean) —

    Always true



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# File 'lib/passwordless/controller_helpers.rb', line 103

def sign_out(authenticatable_class)
  # Deprecated - cookies
  key = cookie_name(authenticatable_class)
  cookies.encrypted.permanent[key] = {value: nil}
  cookies.delete(key)
  # /deprecated

  reset_session
  true
end

#upgrade_passwordless_cookie(authenticatable_class) ⇒ Object 



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# File 'lib/passwordless/controller_helpers.rb', line 44

def upgrade_passwordless_cookie(authenticatable_class)
  key = cookie_name(authenticatable_class)

  return unless (authenticatable_id = cookies.encrypted[key])
  cookies.encrypted.permanent[key] = {value: nil}
  cookies.delete(key)

  return unless (record = authenticatable_class.find_by(id: authenticatable_id))
  new_session = build_passwordless_session(record).tap { |s| s.save! }

   new_session

  new_session.authenticatable
end