Chatwoot/app/controllers/api/v1/widget/contacts_controller.rb
Sojan Jose b6e8173b24
feat: HMAC verification for web widget (#1643)
* feat: HMAC verification for web widget. Let you verify the authenticated contact via HMAC on the web widget to prevent data tampering.
* Add docs for identity-validation

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
2021-01-17 22:44:03 +05:30

31 lines
842 B
Ruby

class Api::V1::Widget::ContactsController < Api::V1::Widget::BaseController
def update
process_hmac
contact_identify_action = ContactIdentifyAction.new(
contact: @contact,
params: permitted_params.to_h.deep_symbolize_keys
)
render json: contact_identify_action.perform
end
private
def process_hmac
return if params[:identifier_hash].blank?
raise StandardError, 'HMAC failed: Invalid Identifer Hash Provided' unless valid_hmac?
@contact_inbox.update(hmac_verified: true)
end
def valid_hmac?
params[:identifier_hash] == OpenSSL::HMAC.hexdigest(
'sha256',
@web_widget.hmac_token,
params[:identifier].to_s
)
end
def permitted_params
params.permit(:website_token, :identifier, :identifier_hash, :email, :name, :avatar_url, custom_attributes: {})
end
end