PayWall Buster - Spain Newspapers

Quita el paywall de varios medios de "descomunicación" de España. Información por la que no se debería pagar, ya que está manipulada en gran medida por lobbies.
Install this script ?
Ask a question, post a review, or report the script.
Wrap lines
// ==UserScript==
// @name         PayWall Buster - Spain Newspapers
// @version      0.5.7
// @description  Quita el paywall de varios medios de "descomunicación" de España. Información por la que no se debería pagar, ya que está manipulada en gran medida por lobbies.
// @match        https://elpais.com/*
// @match        https://*.elcorreo.com/*
// @match        https://*.canarias7.es/*
// @match        https://*.elnortedecastilla.es/*
// @match        https://*.larioja.com/*
// @match        https://*.abc.es/*
// @match        https://*.diariosur.es/*
// @match        https://*.diariovasco.com/*
// @match        https://*.lavanguardia.com/*
// @match        https://*.mujerhoy.com/*
// @match        https://*.hoy.es/*
// @match        https://*.leonoticias.com/*
// @match        https://*.elcomercio.es/*
// @match        https://*.lasprovincias.es/*
// @match        https://*.eldiariomontanes.es/*
// @match        https://*.laverdad.es/*
// @match        https://*.burgosconecta.es/*
// @match        https://*.niusdiario.es/*
// @match        https://*.20minutos.es/*
// @match        https://*.ideal.es/*
// @match        https://*.elperiodico.com/*
// @grant        none
// @run-at       document-start
// jshint esversion: 6
// @namespace https://greasyfork.org/users/161767
// @license MIT
// ==/UserScript==

// Blocks paywall scripts
function needsToBeBlacklisted(value, type){
    let response = false;
    if(value !== undefined && value !== null && value.search(/p\.js/) > -1){
      response = true;
    }

    return response;
}

const createElementBackup = document.createElement
document.createElement = function(...args) {
    // If this is not a script tag, bypass
    if(args[0].toLowerCase() !== 'script')
        // Binding to document is essential
        return createElementBackup.bind(document)(...args)

    const scriptElt = createElementBackup.bind(document)(...args)
   
    // Backup the original setAttribute function
    const originalSetAttribute = scriptElt.setAttribute.bind(scriptElt)

    // Define getters / setters to ensure that the script type is properly set
    Object.defineProperties(scriptElt, {
        'src': {
            get() {
                return scriptElt.getAttribute('src')
            },
            set(value) {
                if(scriptElt.type !== undefined && scriptElt.type !== null && needsToBeBlacklisted(value, scriptElt.type)) {
                    originalSetAttribute('type', 'javascript/blocked')
                }
              
                if(scriptElt.src !== null && scriptElt.src !== undefined) {
                    originalSetAttribute('src', value)
                }
                return true
            }
        },
        'type': {
            set(value) {
                const src = scriptElt.src !== undefined ? scriptElt.src : '';
                const type = scriptElt.type !== undefined ? scriptElt.type : '';
                const typeValue = needsToBeBlacklisted(src, type) ? 'javascript/blocked' : value
                if(scriptElt.type !== undefined){
                    originalSetAttribute('type', typeValue)
                }
                return true
            }
        }
    })

    // Monkey patch the setAttribute function so that the setter is called instead.
    // Otherwise, setAttribute('type', 'whatever') will bypass our custom descriptors!
    scriptElt.setAttribute = function(name, value) {
        if(name === 'type' || name === 'src')
            scriptElt[name] = value
        else
            HTMLScriptElement.prototype.setAttribute.call(scriptElt, name, value)
    }

    return scriptElt
}