node-ciphers/dist/_internals/base-cipher.js

Lightweight AES and DES encryption library for Node.js, featuring flexible encoding, multiple cipher modes, and TypeScript support.

import { defaultEncodingOptions } from "./constants.js";
import { Buffer } from "node:buffer";
//#region src/_internals/base-cipher.ts
var BaseCipher = class {
	#encodingOptions;
	constructor(encodingOptions) {
		this.#encodingOptions = {
			...defaultEncodingOptions,
			...encodingOptions
		};
	}
	get encodingOptions() {
		return this.#encodingOptions;
	}
	createErrorResult(error) {
		return {
			error,
			ok: false
		};
	}
	createOkResult(value) {
		return {
			ok: true,
			value
		};
	}
	dataToBuffer(data, encoding) {
		if (typeof data === "string") return Buffer.from(data, encoding);
		if (ArrayBuffer.isView(data)) return data;
		return Buffer.from(data);
	}
	getCipherResult(cipher, data, encodingOptions) {
		const outputEncoding = encodingOptions?.encryptOutput || this.#encodingOptions.encryptOutput;
		return cipher.update(this.dataToBuffer(data, encodingOptions?.encryptInput || this.#encodingOptions.encryptInput), void 0, outputEncoding) + cipher.final(outputEncoding);
	}
	getDecipherResult(decipher, encryptedData, encodingOptions) {
		const outputEncoding = encodingOptions?.decryptOutput || this.#encodingOptions.decryptOutput;
		return decipher.update(this.dataToBuffer(encryptedData, encodingOptions?.decryptInput || this.#encodingOptions.decryptInput), void 0, outputEncoding) + decipher.final(outputEncoding);
	}
	parseJson(data) {
		try {
			return this.createOkResult(JSON.parse(data));
		} catch (error) {
			return this.createErrorResult(error);
		}
	}
};
//#endregion
export { BaseCipher };

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