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# frozen_string_literal: true |
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# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/. |
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# |
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# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below). |
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# |
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# This program is free software; you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free Software |
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# Foundation; either version 3.0 of the License, or (at your option) any later |
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# version. |
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# |
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# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY |
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
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# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>. |
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require 'bigbluebutton_api' |
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class ApplicationController < ActionController::Base |
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include ApplicationHelper |
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include SessionsHelper |
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include ThemingHelper |
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# Force SSL for loadbalancer configurations. |
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before_action :redirect_to_https |
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before_action :set_user_domain |
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before_action :maintenance_mode? |
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before_action :migration_error? |
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before_action :set_locale |
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before_action :check_admin_password |
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before_action :check_user_role |
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# Manually handle BigBlueButton errors |
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rescue_from BigBlueButton::BigBlueButtonException, with: :handle_bigbluebutton_error |
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protect_from_forgery with: :exception |
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MEETING_NAME_LIMIT = 90 |
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USER_NAME_LIMIT = 32 |
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# Include user domain in lograge logs |
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def append_info_to_payload(payload) |
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super |
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payload[:host] = @user_domain |
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end |
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# Show an information page when migration fails and there is a version error. |
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def migration_error? |
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render :migration_error unless ENV["DB_MIGRATE_FAILED"].blank? |
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end |
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def maintenance_mode? |
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if Rails.configuration.maintenance_mode |
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render "errors/greenlight_error", status: 503, formats: :html, |
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locals: { |
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status_code: 503, |
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message: I18n.t("errors.maintenance.message"), |
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help: I18n.t("errors.maintenance.help"), |
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} |
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end |
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if Rails.configuration.maintenance_window.present? |
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unless cookies[:maintenance_window] == Rails.configuration.maintenance_window |
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flash.now[:maintenance] = I18n.t("maintenance.window_alert", date: Rails.configuration.maintenance_window) |
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end |
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end |
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end |
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# Sets the appropriate locale. |
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def set_locale |
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update_locale(current_user) |
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end |
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def update_locale(user) |
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locale = if user && user.language != 'default' |
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user.language |
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else |
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http_accept_language.language_region_compatible_from(I18n.available_locales) |
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end |
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I18n.locale = locale.tr('-', '_') unless locale.nil? |
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end |
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def meeting_name_limit |
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MEETING_NAME_LIMIT |
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end |
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helper_method :meeting_name_limit |
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def user_name_limit |
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USER_NAME_LIMIT |
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end |
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helper_method :user_name_limit |
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# Relative root helper (when deploying to subdirectory). |
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def relative_root |
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Rails.configuration.relative_url_root || "" |
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end |
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helper_method :relative_root |
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# Determines if the BigBlueButton endpoint is configured (or set to default). |
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def bigbluebutton_endpoint_default? |
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return false if Rails.configuration.loadbalanced_configuration |
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Rails.configuration.bigbluebutton_endpoint_default == Rails.configuration.bigbluebutton_endpoint |
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end |
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helper_method :bigbluebutton_endpoint_default? |
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def recording_thumbnails? |
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Rails.configuration.recording_thumbnails |
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end |
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helper_method :recording_thumbnails? |
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def allow_greenlight_users? |
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allow_greenlight_accounts? |
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end |
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helper_method :allow_greenlight_users? |
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# Determines if a form field needs the is-invalid class. |
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def form_is_invalid?(obj, key) |
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'is-invalid' unless obj.errors.messages[key].empty? |
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end |
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helper_method :form_is_invalid? |
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# Default, unconfigured meeting options. |
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def default_meeting_options |
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invite_msg = I18n.t("invite_message") |
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{ |
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user_is_moderator: false, |
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meeting_logout_url: request.base_url + logout_room_path(@room), |
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meeting_recorded: true, |
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moderator_message: "#{invite_msg}\n\n#{request.base_url + room_path(@room)}", |
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host: request.host, |
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recording_default_visibility: Setting.find_or_create_by!(provider: user_settings_provider) |
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.get_value("Default Recording Visibility") == "public" |
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} |
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end |
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# Manually deal with 401 errors |
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rescue_from CanCan::AccessDenied do |_exception| |
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render "errors/greenlight_error" |
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end |
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# Checks to make sure that the admin has changed his password from the default |
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def check_admin_password |
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if current_user&.has_role?(:admin) && current_user.email == "[email protected]" && |
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current_user&.greenlight_account? && current_user&.authenticate(Rails.configuration.admin_password_default) |
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flash.now[:alert] = I18n.t("default_admin", |
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edit_link: edit_user_path(user_uid: current_user.uid) + "?setting=password").html_safe |
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end |
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end |
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def redirect_to_https |
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if Rails.configuration.loadbalanced_configuration && request.headers["X-Forwarded-Proto"] == "http" |
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redirect_to protocol: "https://" |
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end |
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end |
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def set_user_domain |
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if Rails.env.test? || !Rails.configuration.loadbalanced_configuration |
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@user_domain = "greenlight" |
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else |
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@user_domain = parse_user_domain(request.host) |
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check_provider_exists |
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end |
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end |
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helper_method :set_user_domain |
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# Checks if the user is banned and logs him out if he is |
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def check_user_role |
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if current_user&.has_role? :denied |
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session.delete(:user_id) |
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redirect_to root_path, flash: { alert: I18n.t("registration.banned.fail") } |
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elsif current_user&.has_role? :pending |
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session.delete(:user_id) |
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redirect_to root_path, flash: { alert: I18n.t("registration.approval.fail") } |
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end |
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end |
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helper_method :check_user_role |
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# Manually Handle BigBlueButton errors |
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def handle_bigbluebutton_error |
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render "errors/bigbluebutton_error" |
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end |
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private |
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def check_provider_exists |
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# Checks to see if the user exists |
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begin |
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# Check if the session has already checked that the user exists |
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# and return true if they did for this domain |
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return if session[:provider_exists] == @user_domain |
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retrieve_provider_info(@user_domain, 'api2', 'getUserGreenlightCredentials') |
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# Add a session variable if the provider exists |
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session[:provider_exists] = @user_domain |
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rescue => e |
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# Use the default site settings |
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@user_domain = "greenlight" |
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if e.message.eql? "No user with that id exists" |
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render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_not_found.message"), |
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help: I18n.t("errors.not_found.user_not_found.help") } |
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elsif e.message.eql? "Provider not included." |
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render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_missing.message"), |
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help: I18n.t("errors.not_found.user_missing.help") } |
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elsif e.message.eql? "That user has no configured provider." |
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render "errors/greenlight_error", locals: { status_code: 501, |
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message: I18n.t("errors.no_provider.message"), |
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help: I18n.t("errors.no_provider.help") } |
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else |
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render "errors/greenlight_error", locals: { status_code: 500, message: I18n.t("errors.internal.message"), |
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help: I18n.t("errors.internal.help"), display_back: true } |
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end |
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end |
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end |
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end |
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