gotosrc.ballfoot.user.js

// ==UserScript==
// @name        ballfoot.goToIFrame
// @match       http://www.p2pfree.net/view-live-video/*
// @version     1.0.0
// @grant       none
// @namespace   https://gist.github.com/Mido22
// ==/UserScript==

(function(w, d){
  'use strict'

  w.addEventListener('load', () => {
		addButton('go to src', onClick)
	})

	function onClick() {
		let a = d.querySelector('.player600 iframe').src
    if(a) d.location.href = a
	}

	function addButton(text, onclick, cssObj) {
		cssObj = cssObj || {}
		let dflt = {position: 'fixed', bottom: '7%', left:'13%', 'z-index': 3}
		Object.keys(dflt).filter(k => !cssObj[k]).forEach(k => cssObj[k]=dflt[k])
		let button = d.createElement('button'), btnStyle = button.style
		d.body.appendChild(button)
		button.innerHTML = text
		button.onclick = onclick
		btnStyle.position = 'absolute'
		Object.keys(cssObj).forEach(key => btnStyle[key] = cssObj[key])
		return button
	}
}(window, document))