mirror of
https://github.com/dpnmw/community-landing.git
synced 2026-03-18 09:27:16 +00:00
89 lines
3.4 KiB
Ruby
89 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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# name: community-landing
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# about: Branded public landing page for unauthenticated visitors
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# version: 2.4.0
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# authors: DPN MEDiA WORKS
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# url: https://github.com/dpnmw/community-landing
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# meta_url: https://dpnmediaworks.com
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enabled_site_setting :community_landing_enabled
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register_asset "stylesheets/community_landing/admin.css", :admin
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after_initialize do
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module ::CommunityLanding
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PLUGIN_NAME = "community-landing"
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PLUGIN_DIR = File.expand_path("..", __FILE__)
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end
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require_relative "lib/community_landing/icons"
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require_relative "lib/community_landing/helpers"
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require_relative "lib/community_landing/data_fetcher"
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require_relative "lib/community_landing/style_builder"
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require_relative "lib/community_landing/page_builder"
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class ::CommunityLanding::LandingController < ::ApplicationController
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requires_plugin CommunityLanding::PLUGIN_NAME
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skip_before_action :check_xhr
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skip_before_action :redirect_to_login_if_required
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skip_before_action :preload_json, raise: false
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content_security_policy false
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def index
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data = CommunityLanding::DataFetcher.fetch
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css = load_file("assets", "stylesheets", "community_landing", "landing.css")
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js = load_file("assets", "javascripts", "community_landing", "landing.js")
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html = CommunityLanding::PageBuilder.new(data: data, css: css, js: js).build
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base_url = Discourse.base_url
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csp = "default-src 'self' #{base_url}; " \
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"script-src 'self' 'unsafe-inline'; " \
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"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; " \
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"style-src-elem 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; " \
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"img-src 'self' #{base_url} data: https:; " \
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"font-src 'self' #{base_url} https://fonts.gstatic.com https://cdnjs.cloudflare.com; " \
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"media-src 'self' https:; " \
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"connect-src 'self' #{base_url}; " \
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"frame-src https://www.youtube.com https://www.youtube-nocookie.com; " \
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"frame-ancestors 'self'"
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response.headers["Content-Security-Policy"] = csp
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render html: html.html_safe, layout: false, content_type: "text/html"
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rescue => e
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bt = e.backtrace&.first(15)&.join("\n") rescue ""
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error_page = <<~HTML
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<!DOCTYPE html>
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<html><head><meta charset="UTF-8"><title>Landing Page Error</title>
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<style>body{font-family:monospace;padding:2em;background:#111;color:#eee}
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pre{background:#1a1a2e;padding:1em;overflow-x:auto;border-radius:8px;font-size:13px}</style></head>
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<body>
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<h1 style="color:#e74c3c">CommunityLanding Error</h1>
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<p><strong>#{ERB::Util.html_escape(e.class)}</strong>: #{ERB::Util.html_escape(e.message)}</p>
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<pre>#{ERB::Util.html_escape(bt)}</pre>
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</body></html>
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HTML
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render html: error_page.html_safe, layout: false, content_type: "text/html", status: 500
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end
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private
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def load_file(*path_parts)
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File.read(File.join(CommunityLanding::PLUGIN_DIR, *path_parts))
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rescue StandardError => e
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"/* Error loading #{path_parts.last}: #{e.message} */"
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end
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end
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Discourse::Application.routes.prepend do
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root to: "community_landing/landing#index",
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constraints: ->(req) {
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req.cookies["_t"].blank? &&
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SiteSetting.community_landing_enabled
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}
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end
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end
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