136 lines
4.8 KiB
Ruby
136 lines
4.8 KiB
Ruby
# frozen_string_literal: true
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# If Mini Profiler is included via gem
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if Rails.configuration.respond_to?(:load_mini_profiler) && Rails.configuration.load_mini_profiler &&
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RUBY_ENGINE == "ruby"
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require "rack-mini-profiler"
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require "stackprof"
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begin
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require "memory_profiler"
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rescue => e
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STDERR.put "#{e} failed to require mini profiler"
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end
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# initialization is skipped so trigger it
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Rack::MiniProfilerRails.initialize!(Rails.application)
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end
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if defined?(Rack::MiniProfiler) && defined?(Rack::MiniProfiler::Config)
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# note, we may want to add some extra security here that disables mini profiler in a multi hosted env unless user global admin
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# raw_connection means results are not namespaced
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#
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# namespacing gets complex, cause mini profiler is in the rack chain way before multisite
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Rack::MiniProfiler.config.storage_instance =
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Rack::MiniProfiler::RedisStore.new(connection: DiscourseRedis.new(nil, namespace: false))
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Rack::MiniProfiler.config.snapshot_every_n_requests = GlobalSetting.mini_profiler_snapshots_period
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Rack::MiniProfiler.config.snapshots_transport_destination_url =
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GlobalSetting.mini_profiler_snapshots_transport_url
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Rack::MiniProfiler.config.snapshots_transport_auth_key =
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GlobalSetting.mini_profiler_snapshots_transport_auth_key
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Rack::MiniProfiler.config.skip_paths =
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%w[
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/assets/
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/cdn_asset/
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/extra-locales/
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/favicon/proxied
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/highlight-js/
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/images/
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/javascripts/
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/letter_avatar_proxy/
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/letter_avatar/
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/logs
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/manifest.webmanifest
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/message-bus/
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/opensearch.xml
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/presence/
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/secure-media-uploads/
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/secure-uploads/
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/srv/status
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/stylesheets/
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/svg-sprite/
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/theme-javascripts
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/topics/timings
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/uploads/
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/user_avatar/
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].map { |path| "#{Discourse.base_path}#{path}" }.concat([/.*theme-qunit/])
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# we DO NOT WANT mini-profiler loading on anything but real desktops and laptops
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# so let's rule out all handheld, tablet, and mobile devices
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Rack::MiniProfiler.config.pre_authorize_cb =
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lambda { |env| env["HTTP_USER_AGENT"] !~ /iPad|iPhone|Android/ }
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# without a user provider our results will use the ip address for namespacing
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# with a load balancer in front this becomes really bad as some results can
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# be stored associated with ip1 as the user and retrieved using ip2 causing 404s
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Rack::MiniProfiler.config.user_provider =
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lambda do |env|
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request = Rack::Request.new(env)
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id = request.cookies["_t"] || request.ip || "unknown"
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id = id.to_s
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# some security, lets not have these tokens floating about
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Digest::MD5.hexdigest(id)
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end
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# Cookie path should be set to the base path so Discourse's session cookie path
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# does not get clobbered.
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Rack::MiniProfiler.config.cookie_path = Discourse.base_path.presence || "/"
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Rack::MiniProfiler.config.position = "right"
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Rack::MiniProfiler.config.backtrace_ignores ||= []
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Rack::MiniProfiler.config.backtrace_ignores << %r{lib/rack/message_bus.rb}
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Rack::MiniProfiler.config.backtrace_ignores << %r{config/initializers/silence_logger}
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Rack::MiniProfiler.config.backtrace_ignores << %r{config/initializers/quiet_logger}
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Rack::MiniProfiler.config.backtrace_includes = [%r{^/?(app|config|lib|test|plugins)}]
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Rack::MiniProfiler.config.max_traces_to_show = 100 if Rails.env.development?
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Rack::MiniProfiler.config.content_security_policy_nonce =
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Proc.new do |env, headers|
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if csp = headers["Content-Security-Policy"]
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csp[/script-src[^;]+'nonce-([^']+)'/, 1]
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end
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end
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Rack::MiniProfiler.counter_method(Redis::Client, :call) { "redis" }
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# Rack::MiniProfiler.counter_method(ActiveRecord::QueryMethods, 'build_arel')
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# Rack::MiniProfiler.counter_method(Array, 'uniq')
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# require "#{Rails.root}/vendor/backports/notification"
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# inst = Class.new
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# class << inst
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# def start(name,id,payload)
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# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
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# @prf ||= {}
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# @prf[id] ||= []
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# @prf[id] << Rack::MiniProfiler.start_step("#{payload[:serializer] if name =~ /serialize.serializer/} #{name}")
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# end
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# end
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# def finish(name,id,payload)
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# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
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# t = @prf[id].pop
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# @prf.delete id unless t
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# Rack::MiniProfiler.finish_step t
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# end
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# end
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# end
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# disabling for now cause this slows stuff down too much
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# ActiveSupport::Notifications.subscribe(/.*/, inst)
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# Rack::MiniProfiler.profile_method ActionView::PathResolver, 'find_templates'
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end
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if ENV["PRINT_EXCEPTIONS"]
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trace =
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TracePoint.new(:raise) do |tp|
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puts tp.raised_exception
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puts tp.raised_exception.backtrace.join("\n")
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puts
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end
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trace.enable
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end
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