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Authentication library for Elixir using Plug
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Files
lib/openmaize/confirm_email.ex
defmodule Openmaize.ConfirmEmail do
@moduledoc """
Confirm a user's email address.
## Options
There are three options:
* key_expires_after - the length, in minutes, that the token is valid for
* the default is 120 minutes (2 hours)
* unique_id - the identifier in the query string, or the parameters
* the default is :email
* mail_function - the emailing function that you need to define
## Examples
First, define a `get "/confirm"` route in the web/router.ex file.
Then, add the following command to the relevant controller file:
plug Openmaize.ConfirmEmail, [mail_function: &Mailer.send_receipt/1] when action in [:confirm]
This command will be run when the user accesses the `confirm` route.
"""
use Openmaize.Confirm.Base
@doc """
Generate a confirmation token and a link containing the email address
and the token.
The link is used to create the url that the user needs to follow to
confirm the email address.
The user_id is the actual name or email address of the user, and
unique_id refers to the type of identifier. For example, if you
want to use `username=fred` in your link, you need to set the
unique_id to :username. The default unique_id is :email.
"""
def gen_token_link(user_id, unique_id \\ :email) do
key = :crypto.strong_rand_bytes(24) |> Base.url_encode64
{key, "#{unique_id}=#{URI.encode_www_form(user_id)}&key=#{key}"}
end
end