cannery/lib/cannery_web/controllers/user_confirmation_controller.ex

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Elixir
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defmodule CanneryWeb.UserConfirmationController do
use CanneryWeb, :controller
alias Cannery.Accounts
def new(conn, _params) do
render(conn, "new.html")
end
def create(conn, %{"user" => %{"email" => email}}) do
if user = Accounts.get_user_by_email(email) do
Accounts.deliver_user_confirmation_instructions(
user,
&Routes.user_confirmation_url(conn, :confirm, &1)
)
end
# Regardless of the outcome, show an impartial success/error message.
conn
|> put_flash(
:info,
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dgettext(
"prompts",
"If your email is in our system and it has not been confirmed yet, " <>
"you will receive an email with instructions shortly."
)
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)
|> redirect(to: "/")
end
# Do not log in the user after confirmation to avoid a
# leaked token giving the user access to the account.
def confirm(conn, %{"token" => token}) do
case Accounts.confirm_user(token) do
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{:ok, %{email: email}} ->
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conn
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|> put_flash(:info, dgettext("prompts", "%{email} confirmed successfully.", email: email))
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|> redirect(to: "/")
:error ->
# If there is a current user and the account was already confirmed,
# then odds are that the confirmation link was already visited, either
# by some automation or by the user themselves, so we redirect without
# a warning message.
case conn.assigns do
%{current_user: %{confirmed_at: confirmed_at}} when not is_nil(confirmed_at) ->
redirect(conn, to: "/")
%{} ->
conn
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|> put_flash(
:error,
dgettext("errors", "User confirmation link is invalid or it has expired.")
)
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|> redirect(to: "/")
end
end
end
end