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module Clearance
# Middleware which allows signing in by passing as=USER_ID in a query
# parameter. If `User#to_param` is overriden you may pass a block to
# override the default user lookup behaviour
#
# Designed to eliminate time in integration tests wasted by visiting and
# submitting the sign in form.
#
# Configuration:
#
# # config/environments/test.rb
# MyRailsApp::Application.configure do
# # ...
# config.middleware.use Clearance::BackDoor
# # ...
# end
#
# # or if `User#to_param` is overridden (to `username` for example):
#
# # config/environments/test.rb
# MyRailsApp::Application.configure do
# # ...
# config.middleware.use Clearance::BackDoor do |username|
# User.find_by(username: username)
# end
# # ...
# end
#
# Usage:
#
# visit new_feedback_path(as: user)
class BackDoor
def initialize(app, &block)
@app = app
@block = block
end
def call(env)
sign_in_through_the_back_door(env)
@app.call(env)
end
private
# @api private
def sign_in_through_the_back_door(env)
params = Rack::Utils.parse_query(env["QUERY_STRING"])
user_param = params["as"]
if user_param.present?
user = find_user(user_param)
env[:clearance].sign_in(user)
end
end
# @api private
def find_user(user_param)
if @block
@block.call(user_param)
else
Clearance.configuration.user_model.find(user_param)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems