Initialize encryption and JavaScript reverse-engineering study repository

Document the project structure and setup while excluding local dependencies and IDE settings.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

非对称加密-2026-09-02/_invoke方法执行过程.js

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+class MyFunc {
+    _invoke(func_name, a, b) {
+        switch (func_name) {
+            case 'add':
+                return this._add(a, b);
+            case 'subtract':
+                return this._subtract(a, b);
+            default:
+                throw new Error(`Invalid func name, ${operation}`);
+        }
+
+    }
+
+    _add(a, b) {
+        return a + b;
+    }
+
+    _subtract(a, b) {
+        return a - b;
+    }
+}
+
+const myFunc = new MyFunc();
+console.log(myFunc._invoke("add", 10, 5))

非对称加密-2026-09-02/promise异步任务的执行过程.js

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+function run_async_task() {
+    return new Promise(function (resolve, reject) {
+        resolve("这是异步任务执行之后得到的结果");
+    });
+}
+
+run_async_task().then(function (result) {
+    console.log(result);
+});

非对称加密-2026-09-02/实战案例-五矿集团/python调用.py

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+import time
+
+import requests
+import execjs
+
+headers = {
+    "Accept": "application/json, text/plain, */*",
+    "Accept-Language": "zh-CN,zh;q=0.9",
+    "Connection": "keep-alive",
+    "Content-Length": "0",
+    "Origin": "https://ec.minmetals.com.cn",
+    "Referer": "https://ec.minmetals.com.cn/open/home/purchase-info",
+    "Sec-Fetch-Dest": "empty",
+    "Sec-Fetch-Mode": "cors",
+    "Sec-Fetch-Site": "same-origin",
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36",
+    "sec-ch-ua": "\"Chromium\";v=\"152\", \"Not?A_Brand\";v=\"24\", \"Google Chrome\";v=\"152\"",
+    "sec-ch-ua-mobile": "?0",
+    "sec-ch-ua-platform": "\"Windows\""
+}
+with open("五矿集团.js", "r", encoding="utf-8") as f:
+    code_js = f.read()
+cookies = {
+    # "__jsluid_s": "e761c17024077e17ad5b78ccdd2b3df3",
+    "SUNWAY-ESCM-COOKIE": "a9a9e461-c1c4-4348-b1f3-60ace80a499e",
+    "JSESSIONID": "C1F0A4A6E17FA8D3F9674563DF3F20C9"
+}
+ctx = execjs.compile(code_js)
+
+for page in range(1, 6):
+    public_key = requests.post("https://ec.minmetals.com.cn/open/homepage/public", headers=headers).text
+
+    encrypt_params = ctx.call("encrypt_param", public_key, page)
+
+    json_data = {
+        "param": encrypt_params,
+    }
+
+    response = requests.post(
+        "https://ec.minmetals.com.cn/open/homepage/zbs/by-lx-page",
+        cookies=cookies,
+        headers=headers,
+        json=json_data
+    )
+    print(response.json())
+    # print(response.text)
+    time.sleep(1)

非对称加密-2026-09-02/实战案例-五矿集团/五矿集团.js

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+var JSEncrypt = require("jsencrypt");
+var crypto_js = require("crypto-js");
+
+function w(A) {
+    var e, t, n = "", r = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", a = "=";
+    for (e = 0; e + 3 <= A.length; e += 3)
+        t = parseInt(A.substring(e, e + 3), 16),
+            n += r.charAt(t >> 6) + r.charAt(63 & t);
+    e + 1 == A.length ? (t = parseInt(A.substring(e, e + 1), 16),
+        n += r.charAt(t << 2)) : e + 2 == A.length && (t = parseInt(A.substring(e, e + 2), 16),
+        n += r.charAt(t >> 2) + r.charAt((3 & t) << 4));
+    while ((3 & n.length) > 0)
+        n += a;
+    return n
+}
+
+function encryptLong(jsencrypt_object, A) {
+    var e = jsencrypt_object.getKey()
+        , t = (e.n.bitLength() + 7 >> 3) - 11;
+    try {
+        var n = ""
+            , r = "";
+        if (A.length > t)
+            return n = A.match(/.{1,50}/g),
+                n.forEach((function (A) {
+                        var t = e.encrypt(A);
+                        r += t
+                    }
+                )),
+                w(r);
+        var a = e.encrypt(A)
+            , s = w(a);
+        return s
+    } catch (i) {
+        return i
+    }
+}
+
+function v(A, e) {
+    var t = Object.keys(A);
+    if (Object.getOwnPropertySymbols) {
+        var n = Object.getOwnPropertySymbols(A);
+        e && (n = n.filter((function (e) {
+                return Object.getOwnPropertyDescriptor(A, e).enumerable
+            }
+        ))),
+            t.push.apply(t, n)
+    }
+    return t
+}
+
+function encode_MD5(data) {
+    return crypto_js.MD5(data).toString()
+}
+
+function m(A) {
+    for (var e = 1; e < arguments.length; e++) {
+        var t = null != arguments[e] ? arguments[e] : {};
+        e % 2 ? v(Object(t), !0).forEach((function (e) {
+                b(A, e, t[e])
+            }
+        )) : Object.getOwnPropertyDescriptors ? Object.defineProperties(A, Object.getOwnPropertyDescriptors(t)) : v(Object(t)).forEach((function (e) {
+                Object.defineProperty(A, e, Object.getOwnPropertyDescriptor(t, e))
+            }
+        ))
+    }
+    return A
+}
+
+function b(A, e, t) {
+    return e in A ? Object.defineProperty(A, e, {
+        value: t,
+        enumerable: !0,
+        configurable: !0,
+        writable: !0
+    }) : A[e] = t,
+        A
+}
+
+function encrypt_param(public_key, page) {
+    var r = public_key;
+    var t = new JSEncrypt();
+    t.setPublicKey(r);
+    var e = {
+        "inviteMethod": "",
+        "businessClassfication": "",
+        "mc": "",
+        "lx": "ZBGG",
+        "dwmc": "",
+        "pageIndex": page
+    };
+    a = m(m({}, e), {}, {
+        sign: encode_MD5(JSON.stringify(e)),
+        timeStamp: +new Date
+    });
+    return encryptLong(t, JSON.stringify(a))
+}
+
+// var key = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrD7FHuUUHUCWeInEnnRraglf7ytCal3jB4bP66T7vkUQZRepM1uNr1LWucdPMYvDsaN8LSsu8HHwoqqRoQx33T5pNrFWe4/daccjbM7m7h8VWRQ2Ny3rgRNuSIIg012o25ORgpAHjGBXQ+mMzFYvCFYzY6sKMmqS3k0xYpy6KwwIDAQAB";
+
+
+// console.log(new JSEncrypt().__proto__)
+// console.log(encrypt_param(key, 0))