n8n-nodes-feishu-lark/dist/nodes/lark-sdk/utils/aes-cipher.js

n8n custom nodes for n8n to interact with Feishu/Lark, including Lark Bot, Lark MCP, and Lark Trigger.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AESCipher = void 0;
const crypto_1 = __importDefault(require("crypto"));
class AESCipher {
    constructor(key) {
        const hash = crypto_1.default.createHash('sha256');
        hash.update(key);
        this.key = hash.digest();
    }
    decrypt(encrypt) {
        const encryptBuffer = Buffer.from(encrypt, 'base64');
        const decipher = crypto_1.default.createDecipheriv('aes-256-cbc', this.key, encryptBuffer.subarray(0, 16));
        let decrypted = decipher.update(encryptBuffer.subarray(16).toString('hex'), 'hex', 'utf8');
        decrypted += decipher.final('utf8');
        return decrypted;
    }
}
exports.AESCipher = AESCipher;
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