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Authentication

const createAuth = require('@arangodb/foxx/auth');

Authenticators allow implementing basic password mechanism using simple built-in hashing functions.

For a full example of sessions with authentication and registration see the example in the chapter on User Management.

Creating an authenticator

createAuth([options]): Authenticator

Creates an authenticator.

Arguments

  • options: Object (optional)

    An object with the following properties:

    • method: string (Default: "sha256")

      The hashing algorithm to use to create password hashes. The authenticator will be able to verify passwords against hashes using any supported hashing algorithm. This only affects new hashes created by the authenticator.

      Supported values:

      • "md5"
      • "sha1"
      • "sha224"
      • "sha256"
      • "sha384"
      • "sha512"
    • saltLength: number (Default: 16)

      Length of the salts that will be generated for password hashes.

Returns an authenticator.

Creating authentication data objects

auth.create(password): AuthData

Creates an authentication data object for the given password with the following properties:

  • method: string

    The method used to generate the hash.

  • salt: string

    A random salt used to generate this hash.

  • hash: string

    The hash string itself.

Arguments

  • password: string

    A password to hash.

Returns the authentication data object.

Validating passwords against authentication data objects

auth.verify([hash, [password]]): boolean

Verifies the given password against the given hash using a constant time string comparison.

Arguments

  • hash: AuthData (optional)

    A authentication data object generated with the create method.

  • password: string (optional)

    A password to verify against the hash.

Returns true if the hash matches the given password. Returns false otherwise.