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Versions: 5
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Contents
# frozen_string_literal: true
module MinimalistAuthentication
class Authenticator
LOGIN_FIELDS = %w[email username].freeze
attr_reader :field, :value, :password
# Attempts to find and authenticate a user based on the provided params. Expects a params
# hash with email or username and password keys. Returns user upon successful authentication.
# Otherwise returns nil.
#
# Params examples:
# { email: 'user@example.com', password: 'abc123' }
# { username: 'user', password: 'abc123' }
# Returns user object upon successful authentication.
def self.authenticated_user(params)
hash = params.to_h.with_indifferent_access
# Extract login field from hash
field = (hash.keys & LOGIN_FIELDS).first
# Attempt to authenticate user
new(field:, value: hash[field], password: hash["password"]).authenticated_user
end
def initialize(field:, value:, password:)
@field = field
@value = value
@password = password
end
# Returns user upon successful authentication, otherwise returns nil.
def authenticated_user
user if valid? && user&.authenticated?(password)
end
# Returns true if all the authentication attributes are present.
def valid?
[field, value, password].all?(&:present?)
end
private
def user
@user ||= MinimalistAuthentication.configuration.user_model.active.find_by(field => value)
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems