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# frozen_string_literal: true
require 'spec_helper'
describe InternalRedirect do
let(:controller_class) do
Class.new do
include InternalRedirect
def request
@request ||= Struct.new(:host, :port).new('test.host', 80)
end
end
end
subject(:controller) { controller_class.new }
describe '#safe_redirect_path' do
it 'is `nil` for invalid uris' do
expect(controller.safe_redirect_path('Hello world')).to be_nil
end
it 'is `nil` for paths trying to include a host' do
expect(controller.safe_redirect_path('//example.com/hello/world')).to be_nil
end
it 'returns the path if it is valid' do
expect(controller.safe_redirect_path('/hello/world')).to eq('/hello/world')
end
it 'returns the path with querystring if it is valid' do
expect(controller.safe_redirect_path('/hello/world?hello=world#L123'))
.to eq('/hello/world?hello=world#L123')
end
end
describe '#safe_redirect_path_for_url' do
it 'is `nil` for invalid urls' do
expect(controller.safe_redirect_path_for_url('Hello world')).to be_nil
end
it 'is `nil` for urls from a with a different host' do
expect(controller.safe_redirect_path_for_url('http://example.com/hello/world')).to be_nil
end
it 'is `nil` for urls from a with a different port' do
expect(controller.safe_redirect_path_for_url('http://test.host:3000/hello/world')).to be_nil
end
it 'returns the path if the url is on the same host' do
expect(controller.safe_redirect_path_for_url('http://test.host/hello/world')).to eq('/hello/world')
end
it 'returns the path including querystring if the url is on the same host' do
expect(controller.safe_redirect_path_for_url('http://test.host/hello/world?hello=world#L123'))
.to eq('/hello/world?hello=world#L123')
end
end
describe '#sanitize_redirect' do
let(:valid_path) { '/hello/world?hello=world' }
let(:valid_url) { "http://test.host#{valid_path}" }
it 'returns `nil` for invalid paths' do
invalid_path = '//not/valid'
expect(controller.sanitize_redirect(invalid_path)).to eq nil
end
it 'returns `nil` for invalid urls' do
input = 'http://test.host:3000/invalid'
expect(controller.sanitize_redirect(input)).to eq nil
end
it 'returns input for valid paths' do
expect(controller.sanitize_redirect(valid_path)).to eq valid_path
end
it 'returns path for valid urls' do
expect(controller.sanitize_redirect(valid_url)).to eq valid_path
end
end
describe '#host_allowed?' do
it 'allows uris with the same host and port' do
expect(controller.host_allowed?(URI('http://test.host/test'))).to be(true)
end
it 'rejects uris with other host and port' do
expect(controller.host_allowed?(URI('http://example.com/test'))).to be(false)
end
end
end
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