clover_web.rb

# frozen_string_literal: true

require "tilt"
require "tilt/erubi"

class CloverWeb < Roda
  include CloverBase

  opts[:check_dynamic_arity] = false
  opts[:check_arity] = :warn

  plugin :default_headers, {
    "Content-Type" => "text/html",
    "X-Frame-Options" => "deny",
    "X-Content-Type-Options" => "nosniff"
  }.merge(
    # :nocov:
    Config.production? ? {"Strict-Transport-Security" => "max-age=2629800; includeSubDomains"} : {}
    # :nocov:
  )

  plugin :content_security_policy do |csp|
    csp.default_src :none
    csp.style_src :self, "https://cdn.jsdelivr.net/npm/flatpickr@4.6.13/dist/flatpickr.min.css"
    csp.img_src :self, "data: image/svg+xml"
    csp.form_action :self, "https://checkout.stripe.com"
    csp.script_src :self, "https://cdn.jsdelivr.net/npm/jquery@3.7.0/dist/jquery.min.js", "https://cdn.jsdelivr.net/npm/dompurify@3.0.5/dist/purify.min.js", "https://cdn.jsdelivr.net/npm/flatpickr@4.6.13/dist/flatpickr.min.js"
    csp.connect_src :self
    csp.base_uri :none
    csp.frame_ancestors :none
  end

  plugin :route_csrf do |token|
    flash["error"] = "An invalid security token submitted with this request, please try again"
    return redirect_back_with_inputs
  end

  plugin :disallow_file_uploads
  plugin :flash
  plugin :assets, js: "app.js", css: "app.css", css_opts: {style: :compressed, cache: false}, timestamp_paths: true
  plugin :render, escape: true, layout: "./layouts/app", template_opts: {chain_appends: true, freeze: true, skip_compiled_encoding_detection: true}
  plugin :public
  plugin :Integer_matcher_max
  plugin :typecast_params_sized_integers, sizes: [64], default_size: 64
  plugin :hash_branch_view_subdir
  plugin :h

  plugin :not_found do
    @error = {
      code: 404,
      type: "ResourceNotFound",
      message: "Sorry, we couldn’t find the resource you’re looking for."
    }

    view "/error"
  end

  if Config.development?
    # :nocov:
    plugin :exception_page
    class RodaRequest
      def assets
        exception_page_assets
        super
      end
    end
    # :nocov:
  end

  plugin :error_handler do |e|
    @error = parse_error(e)

    case e
    when Sequel::ValidationFailed
      flash["error"] = @error[:message]
      return redirect_back_with_inputs
    when Validation::ValidationFailed
      flash["errors"] = (flash["errors"] || {}).merge(@error[:details])
      return redirect_back_with_inputs
    end

    # :nocov:
    next exception_page(e, assets: true) if Config.development? && @error[:code] == 500
    # :nocov:

    view "/error"
  end

  plugin :sessions,
    key: "_Clover.session",
    cookie_options: {secure: !(Config.development? || Config.test?)},
    secret: Config.clover_session_secret

  autoload_routes("web")

  plugin :rodauth do
    enable :argon2, :change_login, :change_password, :close_account, :create_account,
      :lockout, :login, :logout, :remember, :reset_password,
      :disallow_password_reuse, :password_grace_period, :active_sessions,
      :verify_login_change, :change_password_notify, :confirm_password,
      :otp, :webauthn, :recovery_codes

    title_instance_variable :@page_title

    # :nocov:
    unless Config.development?
      enable :disallow_common_passwords, :verify_account

      email_from Config.mail_from

      verify_account_view { view "auth/verify_account", "Verify Account" }
      resend_verify_account_view { view "auth/verify_account_resend", "Resend Verification" }
      verify_account_email_sent_redirect { login_route }
      verify_account_email_recently_sent_redirect { login_route }
      verify_account_set_password? false

      send_verify_account_email do
        Util.send_email(email_to, "Welcome to Ubicloud: Please Verify Your Account",
          greeting: "Welcome to Ubicloud,",
          body: ["To complete your registration and activate your account, click the button below.",
            "If you did not initiate this registration process, you may disregard this message.",
            "We're excited to serve you. Should you require any assistance, our customer support team stands ready to help at support@ubicloud.com."],
          button_title: "Verify Account",
          button_link: verify_account_email_link)
      end
    end
    # :nocov:

    hmac_secret Config.clover_session_secret

    login_view { view "auth/login", "Login" }
    login_redirect { "/after-login" }
    login_return_to_requested_location? true
    login_label "Email Address"
    two_factor_auth_return_to_requested_location? true
    already_logged_in { redirect login_redirect }
    after_login { remember_login if request.params["remember-me"] == "on" }

    before_login do
      if Account[account_id].suspended_at
        flash["error"] = "Your account has been suspended. " \
          "If you believe there's a mistake, or if you need further assistance, " \
          "please reach out to our support team at support@ubicloud.com."

        redirect login_route
      end
    end

    create_account_view { view "auth/create_account", "Create Account" }
    create_account_redirect { login_route }
    create_account_set_password? true
    password_confirm_label "Password Confirmation"
    before_create_account do
      account[:id] = Account.generate_uuid
      account[:name] = param("name")
      Validation.validate_account_name(account[:name])
    end
    after_create_account do
      account = Account[account_id]
      account.create_project_with_default_policy("Default")
      ProjectInvitation.where(email: account.email).each do |inv|
        account.associate_with_project(inv.project)
        inv.destroy
      end
    end

    reset_password_view { view "auth/reset_password", "Request Password" }
    reset_password_request_view { view "auth/reset_password_request", "Request Password Reset" }
    reset_password_redirect { login_route }
    reset_password_email_sent_redirect { login_route }
    reset_password_email_recently_sent_redirect { reset_password_request_route }

    send_reset_password_email do
      user = Account[account_id]
      Util.send_email(user.email, "Reset Ubicloud Account Password",
        greeting: "Hello #{user.name},",
        body: ["We received a request to reset your account password. To reset your password, click the button below.",
          "If you did not initiate this request, no action is needed. Your account remains secure.",
          "For any questions or assistance, reach out to our team at support@ubicloud.com."],
        button_title: "Reset Password",
        button_link: reset_password_email_link)
    end
    after_reset_password do
      remove_all_active_sessions_except_current
    end

    change_password_redirect "/account/change-password"
    change_password_route "account/change-password"
    change_password_view { view "account/change_password", "My Account" }
    after_change_password do
      remove_all_active_sessions_except_current
    end

    send_password_changed_email do
      user = Account[account_id]
      Util.send_email(email_to, "Ubicloud Account Password Changed",
        greeting: "Hello #{user.name},",
        body: ["Someone has changed the password for the account associated to this email address.",
          "If you did not initiate this request or for any questions, reach out to our team at support@ubicloud.com."])
    end

    change_login_redirect "/account/change-login"
    change_login_route "account/change-login"
    change_login_view { view "account/change_login", "My Account" }

    verify_login_change_view { view "auth/verify_login_change", "Verify Email Change" }
    send_verify_login_change_email do |new_login|
      user = Account[account_id]
      Util.send_email(email_to, "Please Verify New Email Address for Ubicloud",
        greeting: "Hello #{user.name},",
        body: ["We received a request to change your account email to '#{new_login}'. To verify new email, click the button below.",
          "If you did not initiate this request, no action is needed. Current email address can be used to login your account.",
          "For any questions or assistance, reach out to our team at support@ubicloud.com."],
        button_title: "Verify Email",
        button_link: verify_login_change_email_link)
    end
    after_verify_login_change do
      remove_all_active_sessions_except_current
    end

    close_account_redirect "/login"
    close_account_route "account/close-account"
    close_account_view { view "account/close_account", "My Account" }

    before_close_account do
      account = Account[account_id]
      # Do not allow to close account if the project has resources and
      # the account is the only user
      if (project = account.projects.find { _1.accounts.count == 1 && _1.has_resources })
        flash["error"] = "'#{project.name}' project has some resources. Delete all related resources first."
        redirect "/project"
      end
    end

    delete_account_on_close? true
    delete_account do
      account = Account[account_id]
      account.projects.each { account.dissociate_with_project(_1) }
      account.destroy
    end

    argon2_secret { Config.clover_session_secret }
    require_bcrypt? false

    # Multifactor Manage
    two_factor_manage_route "account/multifactor-manage"
    two_factor_manage_view { view "account/two_factor_manage", "My Account" }

    # Multifactor Auth
    two_factor_auth_view { view "auth/two_factor_auth", "Two-factor Authentication" }
    two_factor_auth_notice_flash { login_notice_flash }
    # don't show error message when redirected after login
    # :nocov:
    two_factor_need_authentication_error_flash { (flash["notice"] == login_notice_flash) ? nil : super() }
    # :nocov:

    # If the single multifactor auth method is setup, redirect to it
    before_two_factor_auth_route do
      redirect otp_auth_path if otp_exists? && !webauthn_setup?
      redirect webauthn_auth_path if webauthn_setup? && !otp_exists?
    end

    # OTP Setup
    otp_setup_route "account/multifactor/otp-setup"
    otp_setup_view { view "account/multifactor/otp_setup", "My Account" }
    otp_setup_link_text "Enable"
    otp_setup_button "Enable One-Time Password Authentication"
    otp_setup_notice_flash "One-time password authentication is now setup, please make note of your recovery codes"
    otp_setup_error_flash "Error setting up one-time password authentication"

    # :nocov:
    after_otp_setup do
      flash["notice"] = otp_setup_notice_flash
      redirect "/" + recovery_codes_route
    end
    # :nocov:

    # OTP Disable
    otp_disable_route "account/multifactor/otp-disable"
    otp_disable_view { view "account/multifactor/otp_disable", "My Account" }
    otp_disable_link_text "Disable"
    otp_disable_button "Disable One-Time Password Authentication"
    otp_disable_notice_flash "One-time password authentication has been disabled"
    otp_disable_error_flash "Error disabling one-time password authentication"
    otp_disable_redirect { "/" + two_factor_manage_route }

    # OTP Auth
    otp_auth_view { view "auth/otp_auth", "One-Time" }
    otp_auth_button "Authenticate Using One-Time Password"
    otp_auth_link_text "One-Time Password Generator"

    # Webauthn Setup
    webauthn_setup_route "account/multifactor/webauthn-setup"
    webauthn_setup_view { view "account/multifactor/webauthn_setup", "My Account" }
    webauthn_setup_link_text "Add"
    webauthn_setup_button "Setup Security Key"
    webauthn_setup_notice_flash "Security key is now setup, please make note of your recovery codes"
    webauthn_setup_error_flash "Error setting up security key"
    webauthn_key_insert_hash { |credential| super(credential).merge(name: request.params["name"]) }

    # :nocov:
    after_webauthn_setup do
      flash["notice"] = webauthn_setup_notice_flash
      redirect "/" + recovery_codes_route
    end
    # :nocov:

    # Webauthn Remove
    webauthn_remove_route "account/multifactor/webauthn-remove"
    webauthn_remove_view { view "account/multifactor/webauthn_remove", "My Account" }
    webauthn_remove_link_text "Remove"
    webauthn_remove_button "Remove Security Key"
    webauthn_remove_notice_flash "Security key has been removed"
    webauthn_remove_error_flash "Error removing security key"
    webauthn_invalid_remove_param_message "Invalid security key to remove"
    webauthn_remove_redirect { "/" + two_factor_manage_route }

    # Webauthn Auth
    webauthn_auth_view { view "auth/webauthn_auth", "Security Keys" }
    webauthn_auth_button "Authenticate Using Security Keys"
    webauthn_auth_link_text "Security Keys"

    # Recovery Codes
    recovery_codes_route "account/multifactor/recovery-codes"
    recovery_codes_view { view "account/multifactor/recovery_codes", "My Account" }
    recovery_codes_link_text "View"
    add_recovery_codes_view { view "account/multifactor/recovery_codes", "My Account" }
    auto_add_recovery_codes? true
    auto_remove_recovery_codes? true
    recovery_auth_view { view "auth/recovery_auth", "Recovery Codes" }
  end

  def csrf_tag(*)
    render("components/form/hidden", locals: {name: csrf_field, value: csrf_token(*)})
  end

  def redirect_back_with_inputs
    flash["old"] = request.params
    request.redirect env["HTTP_REFERER"]
  end

  def has_project_permission(actions)
    @project_permissions.intersection(Authorization.expand_actions(actions)).any?
  end

  hash_branch("dashboard") do |r|
    view "/dashboard"
  end

  hash_branch("after-login") do |r|
    if (project = @current_user.projects_dataset.order(:created_at).first)
      r.redirect "#{project.path}/dashboard"
    else
      r.redirect "/project"
    end
  end

  route do |r|
    r.public
    r.assets

    r.on "webhook" do
      r.hash_branches(:webhook_prefix)
    end
    check_csrf!

    @current_user = Account[rodauth.session_value]
    r.rodauth
    rodauth.load_memory
    rodauth.check_active_session

    r.root do
      r.redirect rodauth.login_route
    end
    rodauth.require_authentication

    r.hash_branches("")
  end
end