discourse/app/controllers/invites_controller.rb
Dan Ungureanu 534008ba24
FIX: Improve handling when email is obfuscated (#12450)
This commit ensures that email validation is skipped when the email is
obfuscated, that the email is no longer send when it is not an invite
link and no username is suggested if the email is hidden as it may
reveal the first part of the email.

Follow up to commit 033d6b64374dce833ecb073fbf824428d3a78bcd.
2021-03-19 17:15:46 +02:00

349 lines
11 KiB
Ruby

# frozen_string_literal: true
class InvitesController < ApplicationController
requires_login only: [:create, :destroy, :destroy_all_expired, :resend_invite, :resend_all_invites, :upload_csv]
skip_before_action :check_xhr, except: [:perform_accept_invitation]
skip_before_action :preload_json, except: [:show]
skip_before_action :redirect_to_login_if_required
before_action :ensure_invites_allowed, only: [:show, :perform_accept_invitation]
before_action :ensure_new_registrations_allowed, only: [:show, :perform_accept_invitation]
before_action :ensure_not_logged_in, only: [:show, :perform_accept_invitation]
def show
expires_now
invite = Invite.find_by(invite_key: params[:id])
if invite.present? && invite.redeemable?
email = Email.obfuscate(invite.email)
# Show email if the user already authenticated their email
if session[:authentication]
auth_result = Auth::Result.from_session_data(session[:authentication], user: nil)
if invite.email == auth_result.email
email = invite.email
end
end
hidden_email = email != invite.email
store_preloaded("invite_info", MultiJson.dump(
invited_by: UserNameSerializer.new(invite.invited_by, scope: guardian, root: false),
email: email,
hidden_email: hidden_email,
username: hidden_email ? '' : UserNameSuggester.suggest(invite.email),
is_invite_link: invite.is_invite_link?
))
secure_session["invite-key"] = invite.invite_key
render layout: 'application'
else
flash.now[:error] = if invite.blank?
I18n.t('invite.not_found', base_url: Discourse.base_url)
elsif invite.redeemed?
I18n.t('invite.not_found_template', site_name: SiteSetting.title, base_url: Discourse.base_url)
elsif invite.expired?
I18n.t('invite.expired', base_url: Discourse.base_url)
end
render layout: 'no_ember'
end
end
def create
if params[:email].present? && Invite.exists?(email: params[:email])
return render json: failed_json, status: 422
end
if params[:topic_id].present?
topic = Topic.find_by(id: params[:topic_id])
raise Discourse::InvalidParameters.new(:topic_id) if topic.blank?
guardian.ensure_can_invite_to!(topic)
end
if params[:group_ids].present? || params[:group_names].present?
groups = Group.lookup_groups(group_ids: params[:group_ids], group_names: params[:group_names])
end
guardian.ensure_can_invite_to_forum!(groups)
begin
invite = Invite.generate(current_user,
email: params[:email],
skip_email: params[:skip_email],
invited_by: current_user,
custom_message: params[:custom_message],
max_redemptions_allowed: params[:max_redemptions_allowed],
topic_id: topic&.id,
group_ids: groups&.map(&:id),
expires_at: params[:expires_at],
)
if invite.present?
render_serialized(invite, InviteSerializer, scope: guardian, root: nil, show_emails: params.has_key?(:email))
else
render json: failed_json, status: 422
end
rescue Invite::UserExists, ActiveRecord::RecordInvalid => e
render_json_error(e.message)
end
end
def update
invite = Invite.find_by(invited_by: current_user, id: params[:id])
raise Discourse::InvalidParameters.new(:id) if invite.blank?
if params[:topic_id].present?
topic = Topic.find_by(id: params[:topic_id])
raise Discourse::InvalidParameters.new(:topic_id) if topic.blank?
guardian.ensure_can_invite_to!(topic)
end
if params[:group_ids].present? || params[:group_names].present?
groups = Group.lookup_groups(group_ids: params[:group_ids], group_names: params[:group_names])
end
guardian.ensure_can_invite_to_forum!(groups)
Invite.transaction do
if params.has_key?(:topic_id)
invite.topic_invites.destroy_all
invite.topic_invites.create!(topic_id: topic.id) if topic.present?
end
if params.has_key?(:group_ids) || params.has_key?(:group_names)
invite.invited_groups.destroy_all
groups.each { |group| invite.invited_groups.find_or_create_by!(group_id: group.id) } if groups.present?
end
if params.has_key?(:email)
old_email = invite.email.presence
new_email = params[:email].presence
if old_email != new_email
invite.emailed_status = if new_email && !params[:skip_email]
Invite.emailed_status_types[:pending]
else
Invite.emailed_status_types[:not_required]
end
end
end
if params[:send_email]
if invite.emailed_status != Invite.emailed_status_types[:pending]
begin
RateLimiter.new(current_user, "resend-invite-per-hour", 10, 1.hour).performed!
rescue RateLimiter::LimitExceeded
return render_json_error(I18n.t("rate_limiter.slow_down"))
end
end
invite.emailed_status = Invite.emailed_status_types[:pending]
end
begin
invite.update!(params.permit(:email, :custom_message, :max_redemptions_allowed, :expires_at))
rescue ActiveRecord::RecordInvalid => e
return render_json_error(e.message)
end
end
if invite.emailed_status == Invite.emailed_status_types[:pending]
invite.update_column(:emailed_status, Invite.emailed_status_types[:sending])
Jobs.enqueue(:invite_email, invite_id: invite.id)
end
render_serialized(invite, InviteSerializer, scope: guardian, root: nil, show_emails: params.has_key?(:email))
end
def destroy
params.require(:id)
invite = Invite.find_by(invited_by_id: current_user.id, id: params[:id])
raise Discourse::InvalidParameters.new(:id) if invite.blank?
invite.trash!(current_user)
render json: success_json
end
# For DiscourseConnect SSO, all invite acceptance is done
# via the SessionController#sso_login route
def perform_accept_invitation
params.require(:id)
params.permit(:email, :username, :name, :password, :timezone, user_custom_fields: {})
invite = Invite.find_by(invite_key: params[:id])
if invite.present?
begin
attrs = {
username: params[:username],
name: params[:name],
password: params[:password],
user_custom_fields: params[:user_custom_fields],
ip_address: request.remote_ip,
session: session
}
attrs[:email] =
if invite.is_invite_link?
params.require([:email])
params[:email]
else
invite.email
end
user = invite.redeem(**attrs)
rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotSaved => e
return render json: failed_json.merge(errors: e.record&.errors&.to_hash, message: I18n.t('invite.error_message')), status: 412
rescue Invite::UserExists => e
return render json: failed_json.merge(message: e.message), status: 412
end
if user.blank?
return render json: failed_json.merge(message: I18n.t('invite.not_found_json')), status: 404
end
log_on_user(user) if user.active?
user.update_timezone_if_missing(params[:timezone])
post_process_invite(user)
topic = invite.topics.first
response = {}
if user.present? && user.active?
response[:redirect_to] = topic.present? ? path(topic.relative_url) : path("/")
elsif user.present?
response[:message] = I18n.t('invite.confirm_email')
cookies[:destination_url] = path(topic.relative_url) if topic.present?
end
render json: success_json.merge(response)
else
render json: failed_json.merge(message: I18n.t('invite.not_found_json')), status: 404
end
end
def destroy_all_expired
guardian.ensure_can_destroy_all_invites!(current_user)
Invite
.where(invited_by: current_user)
.where('expires_at < ?', Time.zone.now)
.find_each { |invite| invite.trash!(current_user) }
render json: success_json
end
def resend_invite
params.require(:email)
RateLimiter.new(current_user, "resend-invite-per-hour", 10, 1.hour).performed!
invite = Invite.find_by(invited_by_id: current_user.id, email: params[:email])
raise Discourse::InvalidParameters.new(:email) if invite.blank?
invite.resend_invite
render json: success_json
rescue RateLimiter::LimitExceeded
render_json_error(I18n.t("rate_limiter.slow_down"))
end
def resend_all_invites
guardian.ensure_can_resend_all_invites!(current_user)
Invite
.left_outer_joins(:invited_users)
.where(invited_by: current_user)
.where('invites.email IS NOT NULL')
.where('invited_users.user_id IS NULL')
.group('invites.id')
.find_each { |invite| invite.resend_invite }
render json: success_json
end
def upload_csv
require 'csv'
guardian.ensure_can_bulk_invite_to_forum!(current_user)
hijack do
begin
file = params[:file] || params[:files].first
count = 0
invites = []
max_bulk_invites = SiteSetting.max_bulk_invites
CSV.foreach(file.tempfile) do |row|
count += 1
invites.push(email: row[0], groups: row[1], topic_id: row[2]) if row[0].present?
break if count >= max_bulk_invites
end
if invites.present?
Jobs.enqueue(:bulk_invite, invites: invites, current_user_id: current_user.id)
if count >= max_bulk_invites
render json: failed_json.merge(errors: [I18n.t("bulk_invite.max_rows", max_bulk_invites: max_bulk_invites)]), status: 422
else
render json: success_json
end
else
render json: failed_json.merge(errors: [I18n.t("bulk_invite.error")]), status: 422
end
rescue
render json: failed_json.merge(errors: [I18n.t("bulk_invite.error")]), status: 422
end
end
end
private
def ensure_invites_allowed
if (!SiteSetting.enable_local_logins && Discourse.enabled_auth_providers.count == 0 && !SiteSetting.enable_discourse_connect)
raise Discourse::NotFound
end
end
def ensure_new_registrations_allowed
unless SiteSetting.allow_new_registrations
flash[:error] = I18n.t('login.new_registrations_disabled')
render layout: 'no_ember'
false
end
end
def ensure_not_logged_in
if current_user
flash[:error] = I18n.t("login.already_logged_in")
render layout: 'no_ember'
false
end
end
def post_process_invite(user)
user.enqueue_welcome_message('welcome_invite') if user.send_welcome_message
Group.refresh_automatic_groups!(:admins, :moderators, :staff) if user.staff?
if user.has_password?
send_activation_email(user) unless user.active
elsif !SiteSetting.enable_discourse_connect && SiteSetting.enable_local_logins
Jobs.enqueue(:invite_password_instructions_email, username: user.username)
end
end
def send_activation_email(user)
email_token = user.email_tokens.create!(email: user.email)
Jobs.enqueue(:critical_user_email,
type: :signup,
user_id: user.id,
email_token: email_token.token
)
end
end