node-ciphers/dist/base.mjs.map

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

{"version":3,"file":"base.mjs","sources":["../src/base.ts"],"sourcesContent":["import { Buffer } from 'node:buffer';\nimport type {\n    BinaryLike,\n    Cipher,\n    Decipher,\n} from 'node:crypto';\n\nimport type { RequiredDeep } from 'type-fest';\n\nimport { defaultEncodingOptions } from './constants';\nimport type {\n    BaseCipherEncodingOptions,\n    HasAuthTagAesCipherEncodingOptions,\n    Result,\n} from './types';\n\nexport class BaseCipher<EncodingOptions extends HasAuthTagAesCipherEncodingOptions = BaseCipherEncodingOptions> {\n    readonly #encodingOptions: Readonly<RequiredDeep<EncodingOptions>>;\n\n    constructor(encodingOptions?: EncodingOptions) {\n        this.#encodingOptions = <Readonly<RequiredDeep<EncodingOptions>>>{\n            ...defaultEncodingOptions,\n            ...encodingOptions,\n        };\n    }\n\n    get encodingOptions(): Readonly<RequiredDeep<EncodingOptions>> {\n        return this.#encodingOptions;\n    }\n\n    protected createErrorResult(error: unknown) {\n        return {\n            error: error as unknown,\n            ok: false as const,\n        };\n    }\n\n    protected createOkResult<T>(value: T) {\n        return {\n            ok: true as const,\n            value: value as T,\n        };\n    }\n\n    protected dataToBuffer(\n        data: BinaryLike,\n        encoding: BufferEncoding,\n    ): Buffer<ArrayBuffer> | NodeJS.ArrayBufferView<ArrayBufferLike> {\n        return typeof data === 'string' ? Buffer.from(data, encoding) : data;\n    }\n\n    protected getCipherResult(cipher: Cipher, data: BinaryLike, encodingOptions?: EncodingOptions): string {\n        const outputEncoding = encodingOptions?.encryptOutput || this.#encodingOptions.encryptOutput;\n        return cipher.update(\n            this.dataToBuffer(data, encodingOptions?.encryptInput || this.#encodingOptions.encryptInput),\n            undefined,\n            outputEncoding,\n        ) + cipher.final(outputEncoding);\n    }\n\n    protected getDecipherResult(\n        decipher: Decipher,\n        encryptedData: BinaryLike,\n        encodingOptions?: EncodingOptions,\n    ): string {\n        const outputEncoding = encodingOptions?.decryptOutput || this.#encodingOptions.decryptOutput;\n        return decipher.update(\n            this.dataToBuffer(encryptedData, encodingOptions?.decryptInput || this.#encodingOptions.decryptInput),\n            undefined,\n            outputEncoding,\n        ) + decipher.final(outputEncoding);\n    }\n\n    protected parseJson<T>(data: string): Result<T> {\n        try {\n            return this.createOkResult(JSON.parse(data) as T);\n        } catch (error) {\n            return this.createErrorResult(error);\n        }\n    }\n}\n"],"names":[],"mappings":";;;MAgBa,UAAU,CAAA;AACV,IAAA,gBAAgB;AAEzB,IAAA,WAAA,CAAY,eAAiC,EAAA;QACzC,IAAI,CAAC,gBAAgB,GAA4C;AAC7D,YAAA,GAAG,sBAAsB;AACzB,YAAA,GAAG,eAAe;SACrB;;AAGL,IAAA,IAAI,eAAe,GAAA;QACf,OAAO,IAAI,CAAC,gBAAgB;;AAGtB,IAAA,iBAAiB,CAAC,KAAc,EAAA;QACtC,OAAO;AACH,YAAA,KAAK,EAAE,KAAgB;AACvB,YAAA,EAAE,EAAE,KAAc;SACrB;;AAGK,IAAA,cAAc,CAAI,KAAQ,EAAA;QAChC,OAAO;AACH,YAAA,EAAE,EAAE,IAAa;AACjB,YAAA,KAAK,EAAE,KAAU;SACpB;;IAGK,YAAY,CAClB,IAAgB,EAChB,QAAwB,EAAA;AAExB,QAAA,OAAO,OAAO,IAAI,KAAK,QAAQ,GAAG,MAAM,CAAC,IAAI,CAAC,IAAI,EAAE,QAAQ,CAAC,GAAG,IAAI;;AAG9D,IAAA,eAAe,CAAC,MAAc,EAAE,IAAgB,EAAE,eAAiC,EAAA;QACzF,MAAM,cAAc,GAAG,eAAe,EAAE,aAAa,IAAI,IAAI,CAAC,gBAAgB,CAAC,aAAa;AAC5F,QAAA,OAAO,MAAM,CAAC,MAAM,CAChB,IAAI,CAAC,YAAY,CAAC,IAAI,EAAE,eAAe,EAAE,YAAY,IAAI,IAAI,CAAC,gBAAgB,CAAC,YAAY,CAAC,EAC5F,SAAS,EACT,cAAc,CACjB,GAAG,MAAM,CAAC,KAAK,CAAC,cAAc,CAAC;;AAG1B,IAAA,iBAAiB,CACvB,QAAkB,EAClB,aAAyB,EACzB,eAAiC,EAAA;QAEjC,MAAM,cAAc,GAAG,eAAe,EAAE,aAAa,IAAI,IAAI,CAAC,gBAAgB,CAAC,aAAa;AAC5F,QAAA,OAAO,QAAQ,CAAC,MAAM,CAClB,IAAI,CAAC,YAAY,CAAC,aAAa,EAAE,eAAe,EAAE,YAAY,IAAI,IAAI,CAAC,gBAAgB,CAAC,YAAY,CAAC,EACrG,SAAS,EACT,cAAc,CACjB,GAAG,QAAQ,CAAC,KAAK,CAAC,cAAc,CAAC;;AAG5B,IAAA,SAAS,CAAI,IAAY,EAAA;AAC/B,QAAA,IAAI;YACA,OAAO,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAM,CAAC;;QACnD,OAAO,KAAK,EAAE;AACZ,YAAA,OAAO,IAAI,CAAC,iBAAiB,CAAC,KAAK,CAAC;;;AAG/C;;;;"}