42 lines
1.7 KiB
JavaScript
42 lines
1.7 KiB
JavaScript
"use strict";
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// @ts-check
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.default = decrypt;
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const crypto_1 = require("crypto");
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const buffer_1 = require("buffer");
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/**
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* # Decrypt Function
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*/
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function decrypt({ encryptedString, encryptionKey, encryptionSalt, }) {
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if (!(encryptedString === null || encryptedString === void 0 ? void 0 : encryptedString.match(/./))) {
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console.log("Encrypted string is invalid");
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return encryptedString;
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}
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const finalEncryptionKey = encryptionKey || process.env.DSQL_ENCRYPTION_PASSWORD;
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const finalEncryptionSalt = encryptionSalt || process.env.DSQL_ENCRYPTION_SALT;
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const finalKeyLen = process.env.DSQL_ENCRYPTION_KEY_LENGTH
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? Number(process.env.DSQL_ENCRYPTION_KEY_LENGTH)
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: 24;
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if (!(finalEncryptionKey === null || finalEncryptionKey === void 0 ? void 0 : finalEncryptionKey.match(/.{8,}/))) {
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console.log("Decrption key is invalid");
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return encryptedString;
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}
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if (!(finalEncryptionSalt === null || finalEncryptionSalt === void 0 ? void 0 : finalEncryptionSalt.match(/.{8,}/))) {
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console.log("Decrption salt is invalid");
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return encryptedString;
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}
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const algorithm = "aes-192-cbc";
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let key = (0, crypto_1.scryptSync)(finalEncryptionKey, finalEncryptionSalt, finalKeyLen);
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let iv = buffer_1.Buffer.alloc(16, 0);
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const decipher = (0, crypto_1.createDecipheriv)(algorithm, key, iv);
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try {
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let decrypted = decipher.update(encryptedString, "hex", "utf8");
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decrypted += decipher.final("utf8");
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return decrypted;
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}
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catch (error) {
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console.log("Error in decrypting =>", error.message);
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return encryptedString;
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}
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}
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