Plug used to add simple authentication.

Options should be provided with at least passwords field.

Possible options:

• :passwords - list of passwords that should allow users to pass authentication. Example: [“hello”, “world”]
• :template - module which implement PlugPassword.Template.Behaviour. Example: MyApp.PlugPassword.Template
• :path_whitelist - regex which will be used to check if path is whitelisted. Example: ~r/users/
• :ip_whitelist - list of IPs that should be whitelisted. Example: [“127.0.0.1”]

• :custom_rule - function which is run with conn so you can implement custom rules. Example:

        f(conn) -> conn.port == 80 end

  or

         &ExampleApplication.Authentication.check_user_agent/1

Example

  plug PlugPassword.Block, passwords: ["hello", world],
    template: Authentication,
    path_whitelist: ~r/users/,
    ip_whitelist: ["86.123.112.78"],
    custom_rule: &Authentication.custom_rule/1