You can either use them as-is, or extend them to include non standard claims or properties. The package also exports types for a JwtHeader and JwtPayload with some default claims. You can specify what the expected return type should be by passing a type argument to the jwt_decode function. The jwt_decode function will return an unknown type by default. Invalid token specified: invalid json for part # => the part was correctly base64 decoded, however the decoded value was not valid json (the message should contain the error the json parser gave).Invalid token specified: invalid base64 for part # => the part could not be base64 decoded (the message should contain the error the base64 decoder gave).Invalid token specified: missing part # => this probably means you are missing a dot (.Invalid token specified: must be a string => the token passed was not a string, this library only works on strings. Not adhering to the format will result in a InvalidTokenError with one of the following messages: If you use this feature, you will likely want to create conditional behaviour to support setting different cookies policies in development and production builds, as you will be opting out of the built-in dynamic policy.All parts are supposed to be valid base64 (url) encoded json.ĭepending on the option it will decode part 1 (only if header: true is specified) or part 2 (default) You can specify one or more cookies with custom properties, but if you specify custom options for a cookie you must provide all the options for that cookie. This is an advanced option and using it is not recommended as you may break authentication or introduce security flaws into your application. You can override the default cookie names and options for any of the cookies used by NextAuth.js. This was introduced to avoid size constraints which can occur when users want to store additional data in their sessionToken, for example. jwt-js-decode - javascript library for JSON Web. suffix and reassemble the cookies in the correct order when parsing / reading them. Here you can check how to encode, decode, sign and validate JWT (JSON Web Token). Using this option is not recommended.Ĭookies in NextAuth.js are chunked by default, meaning that once they reach the 4kb limit, we will create a new cookie with the. It is intended to support development and testing. Setting this option to false in production is a security risk and may allow sessions to be hijacked if used in production. If set to true returns the raw token without decrypting or verifying it. Raw - (boolean) Get raw token (not decoded) The secureCookie option is ignored if cookieName is explicitly specified. true in production and false in development, unless NEXTAUTH_URL contains an HTTPS URL).ĬookieName - (string) Session token cookie name The JSON payload of an encrypted token is encrypted, so you cannot see it after a decode. In Apigee, the VerifyJWT policy does this. Decrypt decrypt the JWT, and implicitly Verify the encryption, using the private key. In Apigee, the DecodeJWT policy does this. SecureCookie - (boolean) Use secure prefixed cookie nameīy default, the helper function will attempt to determine if it should use the secure prefixed cookie (e.g. Decode split the JWT by dots, and base64-decode the resulting parts. Including custom session maxAge and custom signing and/or encryption keys or options You must also pass any options configured on the jwt option to the helper.Į.g. The getToken() helper requires the following options: toString ( "hex" )įor convenience, this helper function is also able to read and decode tokens passed from the Authorization: 'Bearer token' HTTP header. need a more customized session token string, you can define your own generate function. The session token is usually either a random UUID or string, however if you Note: This option is ignored if using JSON Web Tokens Seconds - Throttle how frequently to write to database to extend a session. Seconds - How long until an idle session expires and is no longer valid. which is used to look up the session in the database. When using `"database"`, the session cookie will only contain a `sessionToken` value, You can still force a JWT session by explicitly defining `"jwt"`. If you use an `adapter` however, we default it to `"database"` instead. The default is `"jwt"`, an encrypted JWT (JWE) stored in the session cookie. Choose how you want to save the user session.
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