Class: OneboxController
- Inherits:
-
ApplicationController
- Object
- ActionController::Base
- ApplicationController
- OneboxController
- Defined in:
- app/controllers/onebox_controller.rb
Constant Summary
Constants inherited from ApplicationController
ApplicationController::CHALLENGE_KEY, ApplicationController::HONEYPOT_KEY, ApplicationController::LEGACY_NO_THEMES, ApplicationController::LEGACY_NO_UNOFFICIAL_PLUGINS, ApplicationController::NO_PLUGINS, ApplicationController::NO_THEMES, ApplicationController::NO_UNOFFICIAL_PLUGINS, ApplicationController::SAFE_MODE
Constants included from CanonicalURL::ControllerExtensions
CanonicalURL::ControllerExtensions::ALLOWED_CANONICAL_PARAMS
Instance Attribute Summary
Attributes inherited from ApplicationController
Instance Method Summary collapse
Methods inherited from ApplicationController
#application_layout, #can_cache_content?, #clear_notifications, #conditionally_allow_site_embedding, #current_homepage, #discourse_expires_in, #dont_cache_page, #ember_cli_required?, #fetch_user_from_params, #guardian, #handle_permalink, #handle_theme, #handle_unverified_request, #has_escaped_fragment?, #immutable_for, #login_method, #no_cookies, #perform_refresh_session, #post_ids_including_replies, #preload_json, #rate_limit_second_factor!, #redirect_with_client_support, #render_json_dump, #render_serialized, requires_plugin, #rescue_discourse_actions, #resolve_safe_mode, #secure_session, #serialize_data, #set_current_user_for_logs, #set_layout, #set_mobile_view, #set_mp_snapshot_fields, #show_browser_update?, #store_preloaded, #use_crawler_layout?, #with_resolved_locale
Methods included from VaryHeader
Methods included from ThemeResolver
Methods included from ReadOnlyMixin
#add_readonly_header, #allowed_in_staff_writes_only_mode?, #block_if_readonly_mode, #check_readonly_mode, #get_or_check_readonly_mode, #get_or_check_staff_writes_only_mode, included, #staff_writes_only_mode?
Methods included from Hijack
Methods included from GlobalPath
#cdn_path, #cdn_relative_path, #full_cdn_url, #path, #upload_cdn_path
Methods included from JsonError
Methods included from CanonicalURL::ControllerExtensions
#canonical_url, #default_canonical, included
Methods included from CurrentUser
#clear_current_user, #current_user, has_auth_cookie?, #is_api?, #is_user_api?, #log_off_user, #log_on_user, lookup_from_env, #refresh_session
Instance Method Details
#show ⇒ Object
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# File 'app/controllers/onebox_controller.rb', line 6 def show unless params[:refresh] == "true" preview = Oneboxer.cached_preview(params[:url]) preview = preview.strip if preview.present? return render(plain: preview) if preview.present? end # only 1 outgoing preview per user return render(body: nil, status: 429) if Oneboxer.is_previewing?(current_user.id) user_id = current_user.id category_id = params[:category_id].to_i topic_id = params[:topic_id].to_i invalidate = params[:refresh] == "true" url = params[:url] return render(body: nil, status: 404) if Oneboxer.recently_failed?(url) hijack(info: "#{url} topic_id: #{topic_id} user_id: #{user_id}") do Oneboxer.preview_onebox!(user_id) preview = Oneboxer.preview( url, invalidate_oneboxes: invalidate, user_id: user_id, category_id: category_id, topic_id: topic_id, ) preview = preview.strip if preview.present? Oneboxer.onebox_previewed!(user_id) if preview.blank? Oneboxer.cache_failed!(url) render body: nil, status: 404 else render plain: preview end end end |