156 lines
4.2 KiB
Ruby
156 lines
4.2 KiB
Ruby
require "rails_helper"
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require_dependency "middleware/anonymous_cache"
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describe Middleware::AnonymousCache::Helper do
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def env(opts = {})
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{
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"HTTP_HOST" => "http://test.com",
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"REQUEST_URI" => "/path?bla=1",
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"REQUEST_METHOD" => "GET",
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"rack.input" => ""
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}.merge(opts)
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end
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def new_helper(opts = {})
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Middleware::AnonymousCache::Helper.new(env(opts))
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end
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context "cachable?" do
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it "true by default" do
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expect(new_helper.cacheable?).to eq(true)
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end
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it "is false for non GET" do
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expect(new_helper("ANON_CACHE_DURATION" => 10, "REQUEST_METHOD" => "POST").cacheable?).to eq(false)
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end
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it "is false if it has an auth cookie" do
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expect(new_helper("HTTP_COOKIE" => "jack=1; _t=#{"1" * 32}; jill=2").cacheable?).to eq(false)
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end
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end
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context "per theme cache" do
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it "handles theme keys" do
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theme = Theme.create(name: "test", user_id: -1, user_selectable: true)
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with_bad_theme_key = new_helper("HTTP_COOKIE" => "theme_key=abc").cache_key
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with_no_theme_key = new_helper().cache_key
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expect(with_bad_theme_key).to eq(with_no_theme_key)
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with_good_theme_key = new_helper("HTTP_COOKIE" => "theme_key=#{theme.key}").cache_key
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expect(with_good_theme_key).not_to eq(with_no_theme_key)
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end
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end
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context 'force_anonymous!' do
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before do
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RateLimiter.enable
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end
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after do
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RateLimiter.disable
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end
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it 'will revert to anonymous once we reach the limit' do
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RateLimiter.clear_all!
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is_anon = false
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app = Middleware::AnonymousCache.new(
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lambda do |env|
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is_anon = env["HTTP_COOKIE"].nil?
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[200, {}, ["ok"]]
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end
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)
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global_setting :force_anonymous_min_per_10_seconds, 2
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global_setting :force_anonymous_min_queue_seconds, 1
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env = {
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"HTTP_COOKIE" => "_t=#{SecureRandom.hex}",
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"HOST" => "site.com",
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"REQUEST_METHOD" => "GET",
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"REQUEST_URI" => "/somewhere/rainbow",
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"REQUEST_QUEUE_SECONDS" => 2.1,
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"rack.input" => StringIO.new
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}
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is_anon = false
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app.call(env.dup)
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expect(is_anon).to eq(false)
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is_anon = false
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app.call(env.dup)
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expect(is_anon).to eq(false)
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is_anon = false
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app.call(env.dup)
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expect(is_anon).to eq(true)
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is_anon = false
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_status, headers, _body = app.call(env.dup)
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expect(is_anon).to eq(true)
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expect(headers['Set-Cookie']).to eq('dosp=1; Path=/')
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# tricky change, a 50ms delay still will trigger protection
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# once it is tripped
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env["REQUEST_QUEUE_SECONDS"] = 0.05
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is_anon = false
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app.call(env.dup)
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expect(is_anon).to eq(true)
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is_anon = false
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env["REQUEST_QUEUE_SECONDS"] = 0.01
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app.call(env.dup)
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expect(is_anon).to eq(false)
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end
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end
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context "cached" do
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let!(:helper) do
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new_helper("ANON_CACHE_DURATION" => 10)
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end
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let!(:crawler) do
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new_helper("ANON_CACHE_DURATION" => 10, "HTTP_USER_AGENT" => "AdsBot-Google (+http://www.google.com/adsbot.html)")
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end
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after do
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helper.clear_cache
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crawler.clear_cache
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end
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it "handles brotli switching" do
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helper.cache([200, { "HELLO" => "WORLD" }, ["hello ", "my world"]])
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helper = new_helper("ANON_CACHE_DURATION" => 10)
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expect(helper.cached).to eq([200, { "X-Discourse-Cached" => "true", "HELLO" => "WORLD" }, ["hello my world"]])
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helper = new_helper("ANON_CACHE_DURATION" => 10, "HTTP_ACCEPT_ENCODING" => "gz, br")
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expect(helper.cached).to eq(nil)
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end
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it "returns cached data for cached requests" do
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helper.is_mobile = true
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expect(helper.cached).to eq(nil)
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helper.cache([200, { "HELLO" => "WORLD" }, ["hello ", "my world"]])
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helper = new_helper("ANON_CACHE_DURATION" => 10)
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helper.is_mobile = true
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expect(helper.cached).to eq([200, { "X-Discourse-Cached" => "true", "HELLO" => "WORLD" }, ["hello my world"]])
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expect(crawler.cached).to eq(nil)
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crawler.cache([200, { "HELLO" => "WORLD" }, ["hello ", "world"]])
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expect(crawler.cached).to eq([200, { "X-Discourse-Cached" => "true", "HELLO" => "WORLD" }, ["hello world"]])
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end
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end
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end
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