Any addiction that has been caused by porn viewing can be helped and some times solved with starving the eyes so the mind does not have any sexual images to process..... keeping in mind that one will emotionally bond to what they see when they have a sexual release - this is referred to as Sex Glue.

You can also try wearing a rubber band around your wrist and snapping it each time your mind allows an unwanted thought, sexual desire or image into your conscious mind..... keep in mind that it takes a good 30 days to start the process of re-programing the mind.

From my own personally experience in this area and with you telling me that you do not think you are gay - I would say that this is an event in life that will pass as you work on the inner wounded source of it - as I had to do.