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-2026-08-31/实战案例-中国观鸟记录中心/python调用.py

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+import time
+
+import requests
+import execjs
+
+
+with open("参数加密.js", "r", encoding="utf-8") as f:
+    code_js = f.read()
+
+code = execjs.compile(code_js)
+for page in range(1, 2):
+    temp_params = code.call("beforeSend", page)
+
+    headers = {
+        "Accept": "application/json, text/javascript, */*; q=0.01",
+        "Accept-Language": "zh-CN,zh;q=0.9",
+        "Connection": "keep-alive",
+        "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
+        "Origin": "https://www.birdreport.cn",
+        "Referer": "https://www.birdreport.cn/",
+        "Sec-Fetch-Dest": "empty",
+        "Sec-Fetch-Mode": "cors",
+        "Sec-Fetch-Site": "same-site",
+        "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",
+        "requestId": str(temp_params["requestId"]),
+        "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\"",
+        "sign": str(temp_params["sign"]),
+        "timestamp": str(temp_params["timestamp"])
+    }
+
+    enc_data = temp_params["data"]
+    url = 'https://api.birdreport.cn/front/activity/search'
+    response = requests.post(url, headers=headers, data=enc_data)
+    response_json = response.json()
+    result = code.call("aes_decrypt", response_json["data"])
+
+    print(result)
+    print(response)
+    time.sleep(1)

非对称加密-2026-08-31/实战案例-中国观鸟记录中心/参数加密.js

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+const JSEncrypt = require("jsencrypt");
+var crypto_js = require("crypto-js");
+
+const encrypt = new JSEncrypt();
+var paramPublicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvxXa98E1uWXnBzXkS2yHUfnBM6n3PCwLdfIox03T91joBvjtoDqiQ5x3tTOfpHs3LtiqMMEafls6b0YWtgB1dse1W5m+FpeusVkCOkQxB4SZDH6tuerIknnmB/Hsq5wgEkIvO5Pff9biig6AyoAkdWpSek/1/B7zYIepYY0lxKQIDAQAB";
+encrypt.setPublicKey(paramPublicKey);
+
+function MD5(text) {
+    return crypto_js.MD5(text).toString();
+}
+
+function getUuid() {
+    var s = [];
+    var hexDigits = "0123456789abcdef";
+    for (var i = 0; i < 32; i++) {
+        s[i] = hexDigits.substr(Math.floor(Math.random() * 16), 1)
+    }
+    s[14] = "4";
+    s[19] = hexDigits.substr(s[19] & 3 | 8, 1);
+    s[8] = s[13] = s[18] = s[23];
+    var uuid = s.join("");
+    return uuid
+}
+
+function beforeSend(page) {
+    var timestamp = Date.parse(new Date);
+    var requestId = getUuid();
+
+    var data = `{"limit":"20","page":"${page}"}`
+    const sign = MD5(data + requestId + timestamp)
+    return {
+        timestamp: timestamp,
+        requestId: requestId,
+        sign: sign,
+        data: encrypt.encrypt(data)
+    };
+}
+
+
+function aes_decrypt(encrypt_data) {
+    var key = crypto_js.enc.Utf8.parse("C8EB5514AF5ADDB94B2207B08C66601C");
+    var iv = crypto_js.enc.Utf8.parse("55DD79C6F04E1A67");
+    var decrypted = crypto_js.AES.decrypt(encrypt_data, key, {
+        iv: iv,
+        mode: crypto_js.mode.CBC,
+        padding: crypto_js.pad.Pkcs7,
+    })
+    return decrypted.toString(crypto_js.enc.Utf8);
+}
+
+// console.log(beforeSend(1));

非对称加密-2026-08-31/实战案例-中国观鸟记录中心/混淆代码.js

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+_0x48989b["prototype"]['decode'] = function (_0x291626) {
+    var _0x3c6fa1 = CryptoJS['enc']["Utf8"]["parse"]("C8EB5514AF5ADDB94B2207B08C66601C")
+        , _0x3ec027 = CryptoJS["enc"]["Utf8"]["parse"]("55DD79C6F04E1A67");
+    return CryptoJS["AES"]["decrypt"](_0x291626, _0x3c6fa1, {
+        'iv': _0x3ec027,
+        'mode': CryptoJS["mode"]['CBC'],
+        'padding': CryptoJS['pad']["Pkcs7"]
+    })['toString'](CryptoJS['enc']['Utf8']);
+}