discourse/app/controllers/invites_controller.rb

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require_dependency 'rate_limiter'
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class InvitesController < ApplicationController
requires_login only: [
:destroy, :create, :create_invite_link, :rescind_all_invites,
: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_new_registrations_allowed, only: [:show, :perform_accept_invitation]
before_action :ensure_not_logged_in, only: [:show, :perform_accept_invitation]
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def show
expires_now
invite = Invite.find_by(invite_key: params[:id])
if invite.present? && !invite.redeemed?
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store_preloaded("invite_info", MultiJson.dump(
invited_by: UserNameSerializer.new(invite.invited_by, scope: guardian, root: false),
email: invite.email,
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username: UserNameSuggester.suggest(invite.email))
)
render layout: 'application'
else
flash.now[:error] = I18n.t('invite.not_found_template', site_name: SiteSetting.title, base_url: Discourse.base_url)
render layout: 'no_ember'
end
end
def perform_accept_invitation
params.require(:id)
params.permit(:username, :name, :password, user_custom_fields: {})
invite = Invite.find_by(invite_key: params[:id])
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if invite.present?
begin
user = invite.redeem(username: params[:username], name: params[:name], password: params[:password], user_custom_fields: params[:user_custom_fields])
if user.present?
log_on_user(user)
post_process_invite(user)
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end
topic = user.present? ? invite.topics.first : nil
render json: {
success: true,
redirect_to: topic.present? ? path("#{topic.relative_url}") : path("/")
}
rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotSaved => e
render json: {
success: false,
errors: e.record&.errors&.to_hash || {}
}
end
else
render json: { success: false, message: I18n.t('invite.not_found') }
end
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end
def create
params.require(:email)
groups = Group.lookup_groups(
group_ids: params[:group_ids],
group_names: params[:group_names]
)
guardian.ensure_can_invite_to_forum!(groups)
group_ids = groups.map(&:id)
invite_exists = Invite.where(email: params[:email], invited_by_id: current_user.id).first
if invite_exists && !guardian.can_send_multiple_invites?(current_user)
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return render json: failed_json, status: 422
end
begin
if Invite.invite_by_email(params[:email], current_user, nil, group_ids, params[:custom_message])
render json: success_json
else
render json: failed_json, status: 422
end
rescue Invite::UserExists, ActiveRecord::RecordInvalid => e
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render json: { errors: [e.message] }, status: 422
end
end
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def create_invite_link
params.require(:email)
groups = Group.lookup_groups(
group_ids: params[:group_ids],
group_names: params[:group_names]
)
guardian.ensure_can_invite_to_forum!(groups)
topic = Topic.find_by(id: params[:topic_id])
guardian.ensure_can_invite_to!(topic) if topic.present?
group_ids = groups.map(&:id)
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invite_exists = Invite.where(email: params[:email], invited_by_id: current_user.id).first
if invite_exists && !guardian.can_send_multiple_invites?(current_user)
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return render json: failed_json, status: 422
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end
begin
# generate invite link
if invite_link = Invite.generate_invite_link(params[:email], current_user, topic, group_ids)
render_json_dump(invite_link)
else
render json: failed_json, status: 422
end
rescue => e
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render json: { errors: [e.message] }, status: 422
end
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end
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def destroy
params.require(:email)
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invite = Invite.find_by(invited_by_id: current_user.id, email: params[:email])
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raise Discourse::InvalidParameters.new(:email) if invite.blank?
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invite.trash!(current_user)
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render body: nil
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end
def rescind_all_invites
guardian.ensure_can_rescind_all_invites!(current_user)
Invite.rescind_all_invites_from(current_user)
render body: nil
end
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def resend_invite
params.require(:email)
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RateLimiter.new(current_user, "resend-invite-per-hour", 10, 1.hour).performed!
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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 body: nil
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rescue RateLimiter::LimitExceeded
render_json_error(I18n.t("rate_limiter.slow_down"))
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end
def resend_all_invites
guardian.ensure_can_resend_all_invites!(current_user)
Invite.resend_all_invites_from(current_user.id)
render body: nil
end
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def upload_csv
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guardian.ensure_can_bulk_invite_to_forum!(current_user)
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file = params[:file] || params[:files].first
name = params[:name] || File.basename(file.original_filename, ".*")
extension = File.extname(file.original_filename)
begin
data = if extension.downcase == ".csv"
path = Invite.create_csv(file, name)
Jobs.enqueue(:bulk_invite, filename: "#{name}#{extension}", current_user_id: current_user.id)
{ url: path }
else
failed_json.merge(errors: [I18n.t("bulk_invite.file_should_be_csv")])
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end
rescue
failed_json.merge(errors: [I18n.t("bulk_invite.error")])
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end
MessageBus.publish("/uploads/csv", data.as_json, user_ids: [current_user.id])
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render json: success_json
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end
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def fetch_username
params.require(:username)
params[:username]
end
def fetch_email
params.require(:email)
params[:email]
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", current_user: current_user.username)
render layout: 'no_ember'
false
end
end
private
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def post_process_invite(user)
user.enqueue_welcome_message('welcome_invite') if user.send_welcome_message
if user.has_password?
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)
elsif !SiteSetting.enable_sso && SiteSetting.enable_local_logins
Jobs.enqueue(:invite_password_instructions_email, username: user.username)
end
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end
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end