discourse/app/controllers/bootstrap_controller.rb

187 lines
5.3 KiB
Ruby

# frozen_string_literal: true
class BootstrapController < ApplicationController
include ApplicationHelper
skip_before_action :redirect_to_login_if_required, :check_xhr
# This endpoint allows us to produce the data required to start up Discourse via JSON API,
# so that you don't have to scrape the HTML for `data-*` payloads
def index
locale = script_asset_path("locales/#{I18n.locale}")
preload_anonymous_data
if current_user
current_user.sync_notification_channel_position
preload_current_user_data
end
@stylesheets = []
add_scheme(scheme_id, "all", "light-scheme")
add_scheme(dark_scheme_id, "(prefers-color-scheme: dark)", "dark-scheme")
if rtl?
add_style(mobile_view? ? :mobile_rtl : :desktop_rtl)
else
add_style(mobile_view? ? :mobile : :desktop)
end
add_style(:admin) if staff?
add_style(:wizard) if admin?
assets_fake_request = ActionDispatch::Request.new(request.env.dup)
assets_for_url = params[:for_url]
if assets_for_url
path, query = assets_for_url.split("?", 2)
assets_fake_request.env["PATH_INFO"] = path
assets_fake_request.env["QUERY_STRING"] = query
end
Discourse
.find_plugin_css_assets(
include_official: allow_plugins?,
include_unofficial: allow_third_party_plugins?,
mobile_view: mobile_view?,
desktop_view: !mobile_view?,
request: assets_fake_request,
)
.each { |file| add_style(file, plugin: true) }
add_style(mobile_view? ? :mobile_theme : :desktop_theme) if theme_id.present?
extra_locales = []
if ExtraLocalesController.client_overrides_exist?
extra_locales << ExtraLocalesController.url("overrides")
end
extra_locales << ExtraLocalesController.url("admin") if staff?
extra_locales << ExtraLocalesController.url("wizard") if admin?
plugin_js =
Discourse
.find_plugin_js_assets(
include_official: allow_plugins?,
include_unofficial: allow_third_party_plugins?,
request: assets_fake_request,
)
.map { |f| script_asset_path(f) }
plugin_test_js =
if Rails.env != "production"
script_asset_path("plugin-tests")
else
[]
end
bootstrap = {
theme_id: theme_id,
theme_color: "##{ColorScheme.hex_for_name("header_background", scheme_id)}",
title: SiteSetting.title,
current_homepage: current_homepage,
locale_script: locale,
stylesheets: @stylesheets,
plugin_js: plugin_js,
plugin_test_js: plugin_test_js,
setup_data: client_side_setup_data,
preloaded: @preloaded,
html: create_html,
theme_html: create_theme_html,
html_classes: html_classes,
html_lang: html_lang,
login_path: main_app.login_path,
authentication_data: authentication_data,
}
bootstrap[:extra_locales] = extra_locales if extra_locales.present?
bootstrap[:csrf_token] = form_authenticity_token if current_user
render_json_dump(bootstrap: bootstrap)
end
def plugin_css_for_tests
urls =
Discourse
.find_plugin_css_assets(include_disabled: true, desktop_view: true)
.map do |target|
details = Stylesheet::Manager.new().stylesheet_details(target, "all")
details[0][:new_href]
end
stylesheet = <<~CSS
/* For use in tests only - `@import`s all plugin stylesheets */
#{urls.map { |url| "@import \"#{url}\";" }.join("\n")}
CSS
render plain: stylesheet, content_type: "text/css"
end
private
def add_scheme(scheme_id, media, css_class)
return if scheme_id.to_i == -1
if style =
Stylesheet::Manager.new(theme_id: theme_id).color_scheme_stylesheet_details(
scheme_id,
media,
)
@stylesheets << { href: style[:new_href], media: media, class: css_class }
end
end
def add_style(target, opts = nil)
if styles = Stylesheet::Manager.new(theme_id: theme_id).stylesheet_details(target, "all")
styles.each do |style|
@stylesheets << {
href: style[:new_href],
media: "all",
theme_id: style[:theme_id],
target: style[:target],
}.merge(opts || {})
end
end
end
def create_html
html = {}
return html unless allow_plugins?
add_plugin_html(html, :before_body_close)
add_plugin_html(html, :before_head_close)
add_plugin_html(html, :before_script_load)
add_plugin_html(html, :header)
html
end
def add_plugin_html(html, key)
add_if_present(
html,
key,
DiscoursePluginRegistry.build_html("server:#{key.to_s.dasherize}", self),
)
end
def create_theme_html
theme_html = {}
return theme_html if customization_disabled?
theme_view = mobile_view? ? :mobile : :desktop
add_if_present(theme_html, :body_tag, Theme.lookup_field(theme_id, theme_view, "body_tag"))
add_if_present(theme_html, :head_tag, Theme.lookup_field(theme_id, theme_view, "head_tag"))
add_if_present(theme_html, :header, Theme.lookup_field(theme_id, theme_view, "header"))
add_if_present(
theme_html,
:translations,
Theme.lookup_field(theme_id, :translations, I18n.locale),
)
add_if_present(theme_html, :js, Theme.lookup_field(theme_id, :extra_js, nil))
theme_html
end
def add_if_present(hash, key, val)
hash[key] = val if val.present?
end
end