When your custormers download a PDF file it will watermark each page with a text header and footer. The header consists of user details such as their name, email and telephone number. The footer contains the date downloaded and a md5 hash of the download details.
Author: Joseph Nadler (joseph@antijoe.com) and
Niculae Dica (niculae.dica@msolutions.ro) and
Jason Clark (mithereal@gmail.com)
Copyright 2014 Jason Clark
Licensed under the GPL License, Version 3.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.gnu.org/licenses/gpl-3.0.html
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.