// ==UserScript==
// @name:zh-CN      卡单小工具
// @name            Fake_Purchase
// @namespace       https://blog.chrxw.com
// @supportURL      https://blog.chrxw.com/scripts.html
// @contributionURL https://afdian.com/@chr233
// @version         1.5
// @description     一键批量卡单
// @description:zh-CN  一键批量卡单
// @author          Chr_
// @include         https://checkout.steampowered.com/checkout/*
// @license         AGPL-3.0
// @icon            https://blog.chrxw.com/favicon.ico
// @grant           GM_addStyle
// ==/UserScript==
// 初始化
(() => {
"use strict";
const sessionId = g_sessionID;
let fpValue = parseInt(localStorage.getItem("fpValue") ?? "5");
if (fpValue !== fpValue) {
fpValue = 5;
}
if (sessionId  ) {
const logContainer = genTextArea();
function log(msg) {
if (logContainer.value) {
logContainer.value += "\n";
}
logContainer.value += msg;
logContainer.scrollTop = logContainer.scrollHeight;
console.log(msg);
}
setTimeout(() => {
const container = document.getElementById("col_right_payment_info");
const div1 = genDiv("block_content fp_div");
const span = genSpan("卡单次数");
const input = genInput(fpValue);
const btn = genBtn("给我卡", async () => {
try {
btn.disabled = true;
localStorage.setItem("fpValue", input.value);
for (let i = 1; i <= input.value; i++) {
try {
const transId =  await initTransaction();
log(`${i} 初始化付款成功`);
await asyncDelay(800);
const price = await getFinalPrice(transId);
log(`${i} 购物车总价 ${price}`);
await cancelTransaction(transId);
log(`${i} 取消付款成功`);
} catch (err) {
log(`${i} ${err}`);
await asyncDelay(2000);
} finally {
await asyncDelay(800);
}
}
} catch (err) {
log(err);
} finally {
btn.disabled = false;
}
})
div1.appendChild(span);
div1.appendChild(input);
div1.appendChild(btn);
container.appendChild(div1);
const div2 = genDiv("block_content fp_div2");
div2.appendChild(logContainer);
container.appendChild(div2);
}, 500);
} else {
console.log("sessionId或者cartGid为null")
}
function genBtn(text, foo) {
const btn = document.createElement("button");
btn.textContent = text;
btn.addEventListener("click", foo);
return btn;
}
function genDiv(cls) {
const div = document.createElement("div");
div.className = cls;
return div;
}
function genSpan(name) {
const span = document.createElement("span");
span.textContent = name;
return span;
}
function genInput(value) {
const input = document.createElement("input");
input.type = "number";
input.min = 1;
input.max = 99;
input.value = value;
return input;
}
function genTextArea() {
return document.createElement("textarea");
}
function asyncDelay(ms) {
return new Promise((resolve, _) => {
setTimeout(resolve, ms);
})
}
// 初始化付款
async function initTransaction() {
return new Promise((resolve, reject) => {
fetch(
`https://checkout.steampowered.com/checkout/inittransaction/`,
{
method: "POST",
credentials: "include",
body: `gidShoppingCart=-1&gidReplayOfTransID=-1&bUseAccountCart=-1&PaymentMethod=steamaccount&sessionid=${sessionId}`,
headers: {
"content-type":
"application/x-www-form-urlencoded; charset=UTF-8",
},
}
)
.then(response => {
response.json().then(json => {
const { success, transid } = json;
if (success === 1) {
resolve(transid);
} else {
reject("初始化付款失败");
}
})
})
.catch((err) => {
console.error(err);
reject(`初始化付款失败 ${err}`);
});
});
}
function getFinalPrice(transId) {
return new Promise((resolve, reject) => {
fetch(
`https://checkout.steampowered.com/checkout/getfinalprice/?count=1&transid=${transId}&purchasetype=self&microtxnid=-1&cart=-1&gidReplayOfTransID=-1`,
{
method: "POST",
credentials: "include",
body: `gidShoppingCart=-1&gidReplayOfTransID=-1&PaymentMethod=steamaccount&sessionid=${sessionId}`,
headers: {
"content-type":
"application/x-www-form-urlencoded; charset=UTF-8",
},
}
)
.then(response => {
response.json().then(json => {
const { success, formattedTotal } = json;
if (success === 1) {
resolve(formattedTotal);
} else {
reject("获取最终价格失败");
}
})
})
.catch((err) => {
console.error(err);
reject(`获取最终价格失败 ${err}`);
});
});
}
// 取消付款
function cancelTransaction(transId) {
return new Promise((resolve, reject) => {
fetch(
`https://checkout.steampowered.com/checkout/canceltransaction/`,
{
method: "POST",
credentials: "include",
body: `transid=${transId}&sessionid=${sessionId}`,
headers: {
"content-type":
"application/x-www-form-urlencoded; charset=UTF-8",
},
}
)
.then(async (response) => {
response.json().then(json => {
const { success, transid } = json;
if (success === 2) {
resolve();
} else {
reject("取消付款失败");
}
})
})
.catch((err) => {
console.error(err);
reject(`取消付款失败 ${err}`);
});
});
}
})();
GM_addStyle(`
.fp_div > * {
margin-right: 10px;
}
.fp_div > input {
width: 50px;
}
.fp_div2 > textarea {
width: 100%;
height: 100px;
font-size: 14px;
resize: vertical;
}
`);