@aws-amplify/auth/dist/esm/providers/cognito/utils/oauth/generateCodeVerifier.mjs.map

Auth category of aws-amplify

{"version":3,"file":"generateCodeVerifier.mjs","sources":["../../../../../../src/providers/cognito/utils/oauth/generateCodeVerifier.ts"],"sourcesContent":["// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { Sha256 } from '@aws-crypto/sha256-js';\nimport { base64Encoder, getCrypto } from '@aws-amplify/core/internals/utils';\nconst CODE_VERIFIER_CHARSET = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';\n/**\n *\n * @param length Desired length of the code verifier.\n *\n * **NOTE:** According to the [RFC 7636](https://datatracker.ietf.org/doc/html/rfc7636#section-4.1)\n * A code verifier must be with a length >= 43 and <= 128.\n *\n * @returns An object that contains the generated `codeVerifier` and a method\n * `toCodeChallenge` to generate the code challenge from the `codeVerifier`\n * following the spec of [RFC 7636](https://datatracker.ietf.org/doc/html/rfc7636#section-4.2).\n */\nexport const generateCodeVerifier = (length) => {\n    const randomBytes = new Uint8Array(length);\n    getCrypto().getRandomValues(randomBytes);\n    let value = '';\n    let codeChallenge;\n    for (const byte of randomBytes) {\n        value += CODE_VERIFIER_CHARSET.charAt(byte % CODE_VERIFIER_CHARSET.length);\n    }\n    return {\n        value,\n        method: 'S256',\n        toCodeChallenge() {\n            if (codeChallenge) {\n                return codeChallenge;\n            }\n            codeChallenge = generateCodeChallenge(value);\n            return codeChallenge;\n        },\n    };\n};\nfunction generateCodeChallenge(codeVerifier) {\n    const awsCryptoHash = new Sha256();\n    awsCryptoHash.update(codeVerifier);\n    const codeChallenge = removePaddingChar(base64Encoder.convert(awsCryptoHash.digestSync(), { urlSafe: true }));\n    return codeChallenge;\n}\nfunction removePaddingChar(base64Encoded) {\n    return base64Encoded.replace(/=/g, '');\n}\n"],"names":[],"mappings":";;;AAAA;AACA;AAGA,MAAM,qBAAqB,GAAG,gEAAgE;AAC9F;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,oBAAoB,GAAG,CAAC,MAAM,KAAK;AAChD,IAAI,MAAM,WAAW,GAAG,IAAI,UAAU,CAAC,MAAM,CAAC;AAC9C,IAAI,SAAS,EAAE,CAAC,eAAe,CAAC,WAAW,CAAC;AAC5C,IAAI,IAAI,KAAK,GAAG,EAAE;AAClB,IAAI,IAAI,aAAa;AACrB,IAAI,KAAK,MAAM,IAAI,IAAI,WAAW,EAAE;AACpC,QAAQ,KAAK,IAAI,qBAAqB,CAAC,MAAM,CAAC,IAAI,GAAG,qBAAqB,CAAC,MAAM,CAAC;AAClF;AACA,IAAI,OAAO;AACX,QAAQ,KAAK;AACb,QAAQ,MAAM,EAAE,MAAM;AACtB,QAAQ,eAAe,GAAG;AAC1B,YAAY,IAAI,aAAa,EAAE;AAC/B,gBAAgB,OAAO,aAAa;AACpC;AACA,YAAY,aAAa,GAAG,qBAAqB,CAAC,KAAK,CAAC;AACxD,YAAY,OAAO,aAAa;AAChC,SAAS;AACT,KAAK;AACL;AACA,SAAS,qBAAqB,CAAC,YAAY,EAAE;AAC7C,IAAI,MAAM,aAAa,GAAG,IAAI,MAAM,EAAE;AACtC,IAAI,aAAa,CAAC,MAAM,CAAC,YAAY,CAAC;AACtC,IAAI,MAAM,aAAa,GAAG,iBAAiB,CAAC,aAAa,CAAC,OAAO,CAAC,aAAa,CAAC,UAAU,EAAE,EAAE,EAAE,OAAO,EAAE,IAAI,EAAE,CAAC,CAAC;AACjH,IAAI,OAAO,aAAa;AACxB;AACA,SAAS,iBAAiB,CAAC,aAAa,EAAE;AAC1C,IAAI,OAAO,aAAa,CAAC,OAAO,CAAC,IAAI,EAAE,EAAE,CAAC;AAC1C;;;;"}