Provide GM_functions in non-ScriptManager-environment
Version vom
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/429613/952103/GM_Polyfill.js
/* eslint-disable no-multi-spaces */
// ==UserScript==
// @name GM_Polyfill
// @namespace GM_Polyfill
// @version 0.1
// @description Provide GM_functions in non-ScriptManager-environment
// @author PY-DNG
// @match *
// @icon data:image/png;base64,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
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_xmlhttpRequest
// @grant GM_openInTab
// @grant GM_setClipboard
// ==/UserScript==
// GM_Polyfill By PY-DNG
// 2021.07.18 - 2021.07.19
// Simply provides the following GM_functions using localStorage, XMLHttpRequest and window.open:
// Returns object GM_POLYFILLED which has the following properties that shows you which GM_functions are actually polyfilled:
// GM_setValue, GM_getValue, GM_deleteValue, GM_listValues, GM_xmlhttpRequest, GM_openInTab, GM_setClipboard
function GM_PolyFill(name='default') {
const GM_POLYFILL_KEY_STORAGE = 'GM_STORAGE_POLYFILL';
const GM_POLYFILL_storage = GM_POLYFILL_getStorage();
const GM_POLYFILLED = {
GM_setValue: true,
GM_getValue: true,
GM_deleteValue: true,
GM_listValues: true,
GM_xmlhttpRequest: true,
GM_openInTab: true,
GM_setClipboard: true,
}
GM_setValue_polyfill();
GM_getValue_polyfill();
GM_deleteValue_polyfill();
GM_listValues_polyfill();
GM_xmlhttpRequest_polyfill();
GM_openInTab_polyfill();
GM_setClipboard_polyfill();
function GM_POLYFILL_getStorage() {
let gstorage = localStorage.getItem(GM_POLYFILL_KEY_STORAGE);
gstorage = gstorage ? JSON.parse(gstorage) : {};
let storage = gstorage[name] ? gstorage[name] : {};
return storage;
}
function GM_POLYFILL_saveStorage() {
let gstorage = localStorage.getItem(GM_POLYFILL_KEY_STORAGE);
gstorage = gstorage ? JSON.parse(gstorage) : {};
gstorage[name] = GM_POLYFILL_storage;
localStorage.setItem(GM_POLYFILL_KEY_STORAGE, JSON.stringify(gstorage));
}
// GM_setValue
function GM_setValue_polyfill() {
typeof (GM_setValue) === 'function' ? GM_POLYFILLED.GM_setValue = false: window.GM_setValue = PF_GM_setValue;;
function PF_GM_setValue(name, value) {
name = String(name);
GM_POLYFILL_storage[name] = value;
GM_POLYFILL_saveStorage();
}
}
// GM_getValue
function GM_getValue_polyfill() {
typeof (GM_getValue) === 'function' ? GM_POLYFILLED.GM_getValue = false: window.GM_getValue = PF_GM_getValue;
function PF_GM_getValue(name, defaultValue) {
name = String(name);
if (GM_POLYFILL_storage.hasOwnProperty(name)) {
return GM_POLYFILL_storage[name];
} else {
return defaultValue;
}
}
}
// GM_deleteValue
function GM_deleteValue_polyfill() {
typeof (GM_deleteValue) === 'function' ? GM_POLYFILLED.GM_deleteValue = false: window.GM_deleteValue = PF_GM_deleteValue;
function PF_GM_deleteValue(name) {
name = String(name);
if (GM_POLYFILL_storage.hasOwnProperty(name)) {
delete GM_POLYFILL_storage[name];
GM_POLYFILL_saveStorage();
}
}
}
// GM_listValues
function GM_listValues_polyfill() {
typeof (GM_listValues) === 'function' ? GM_POLYFILLED.GM_listValues = false: window.GM_listValues = PF_GM_listValues;
function PF_GM_listValues() {
return Object.keys(GM_POLYFILL_storage);
}
}
// GM_xmlhttpRequest
// not supported properties of details: synchronous binary nocache revalidate context fetch
// not supported properties of response(onload arguments[0]): finalUrl
// ---!IMPORTANT!--- DOES NOT SUPPORT CROSS-ORIGIN REQUESTS!!!!! ---!IMPORTANT!---
function GM_xmlhttpRequest_polyfill() {
typeof (GM_xmlhttpRequest) === 'function' ? GM_POLYFILLED.GM_xmlhttpRequest = false: window.GM_xmlhttpRequest = PF_GM_xmlhttpRequest;
// details.synchronous is not supported as Tempermonkey
function PF_GM_xmlhttpRequest(details) {
const xhr = new XMLHttpRequest();
// open request
const openArgs = [details.method, details.url, true];
if (details.user && details.password) {
openArgs.push(details.user);
openArgs.push(details.password);
}
xhr.open.apply(xhr, openArgs);
// set headers
if (details.headers) {
for (const key of Object.keys(details.headers)) {
xhr.setRequestHeader(key, details.headers[key]);
}
}
details.cookie ? xhr.setRequestHeader('cookie', details.cookie) : function () {};
details.anonymous ? xhr.setRequestHeader('cookie', '') : function () {};
// properties
xhr.timeout = details.timeout;
xhr.responseType = details.responseType;
details.overrideMimeType ? xhr.overrideMimeType(details.overrideMimeType) : function () {};
// events
xhr.onabort = details.onabort;
xhr.onerror = details.onerror;
xhr.onloadstart = details.onloadstart;
xhr.onprogress = details.onprogress;
xhr.onreadystatechange = details.onreadystatechange;
xhr.ontimeout = details.ontimeout;
xhr.onload = function (e) {
const response = {
readyState: xhr.readyState,
status: xhr.status,
statusText: xhr.statusText,
responseHeaders: xhr.getAllResponseHeaders(),
response: xhr.response
};
(details.responseType === '' || details.responseType === 'text') ? (response.responseText = xhr.responseText) : function () {};
(details.responseType === '' || details.responseType === 'document') ? (response.responseXML = xhr.responseXML) : function () {};
details.onload(response);
}
// send request
details.data ? xhr.send(details.data) : xhr.send();
return {
abort: xhr.abort
};
}
}
// NOTE: options(arg2) is NOT SUPPORTED! if provided, then will just be skipped.
function GM_openInTab_polyfill() {
typeof (GM_openInTab) === 'function' ? GM_POLYFILLED.GM_openInTab = false: window.GM_openInTab = PF_GM_openInTab;
function PF_GM_openInTab(url) {
window.open(url);
}
}
// NOTE: needs to be called in an event handler function, and info(arg2) is NOT SUPPORTED!
function GM_setClipboard_polyfill() {
typeof (GM_setClipboard) === 'function' ? GM_POLYFILLED.GM_setClipboard = false: window.GM_setClipboard = PF_GM_setClipboard;
function PF_GM_setClipboard(text) {
// Create a new textarea for copying
const newInput = document.createElement('textarea');
document.body.appendChild(newInput);
newInput.value = text;
newInput.select();
document.execCommand('copy');
document.body.removeChild(newInput);
}
}
return GM_POLYFILLED;
}