# Pleroma: A lightweight social networking server # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Emails.UserEmail do @moduledoc "User emails" use Phoenix.Swoosh, view: Pleroma.Web.EmailView, layout: {Pleroma.Web.LayoutView, :email} alias Pleroma.Config alias Pleroma.User alias Pleroma.Web.Endpoint alias Pleroma.Web.Router defp instance_name, do: Config.get([:instance, :name]) defp sender do email = Config.get([:instance, :notify_email]) || Config.get([:instance, :email]) {instance_name(), email} end defp recipient(email, nil), do: email defp recipient(email, name), do: {name, email} defp recipient(%User{} = user), do: recipient(user.email, user.name) def password_reset_email(user, token) when is_binary(token) do password_reset_url = Router.Helpers.reset_password_url(Endpoint, :reset, token) html_body = """ <h3>Reset your password at #{instance_name()}</h3> <p>Someone has requested password change for your account at #{instance_name()}.</p> <p>If it was you, visit the following link to proceed: <a href="#{password_reset_url}">reset password</a>.</p> <p>If it was someone else, nothing to worry about: your data is secure and your password has not been changed.</p> """ new() |> to(recipient(user)) |> from(sender()) |> subject("Password reset") |> html_body(html_body) end def user_invitation_email( user, %Pleroma.UserInviteToken{} = user_invite_token, to_email, to_name \\ nil ) do registration_url = Router.Helpers.redirect_url( Endpoint, :registration_page, user_invite_token.token ) html_body = """ <h3>You are invited to #{instance_name()}</h3> <p>#{user.name} invites you to join #{instance_name()}, an instance of Pleroma federated social networking platform.</p> <p>Click the following link to register: <a href="#{registration_url}">accept invitation</a>.</p> """ new() |> to(recipient(to_email, to_name)) |> from(sender()) |> subject("Invitation to #{instance_name()}") |> html_body(html_body) end def account_confirmation_email(user) do confirmation_url = Router.Helpers.confirm_email_url( Endpoint, :confirm_email, user.id, to_string(user.confirmation_token) ) html_body = """ <h3>Welcome to #{instance_name()}!</h3> <p>Email confirmation is required to activate the account.</p> <p>Click the following link to proceed: <a href="#{confirmation_url}">activate your account</a>.</p> """ new() |> to(recipient(user)) |> from(sender()) |> subject("#{instance_name()} account confirmation") |> html_body(html_body) end @doc """ Email used in digest email notifications Includes Mentions and New Followers data If there are no mentions (even when new followers exist), the function will return nil """ @spec digest_email(User.t()) :: Swoosh.Email.t() | nil def digest_email(user) do notifications = Pleroma.Notification.for_user_since(user, user.last_digest_emailed_at) mentions = notifications |> Enum.filter(&(&1.activity.data["type"] == "Create")) |> Enum.map(fn notification -> object = Pleroma.Object.normalize(notification.activity) object = update_in(object.data["content"], &format_links/1) %{ data: notification, object: object, from: User.get_by_ap_id(notification.activity.actor) } end) followers = notifications |> Enum.filter(&(&1.activity.data["type"] == "Follow")) |> Enum.map(fn notification -> %{ data: notification, object: Pleroma.Object.normalize(notification.activity), from: User.get_by_ap_id(notification.activity.actor) } end) unless Enum.empty?(mentions) do styling = Config.get([__MODULE__, :styling]) logo = Config.get([__MODULE__, :logo]) html_data = %{ instance: instance_name(), user: user, mentions: mentions, followers: followers, unsubscribe_link: unsubscribe_url(user, "digest"), styling: styling } logo_path = if is_nil(logo) do Path.join(:code.priv_dir(:pleroma), "static/static/logo.png") else Path.join(Config.get([:instance, :static_dir]), logo) end new() |> to(recipient(user)) |> from(sender()) |> subject("Your digest from #{instance_name()}") |> put_layout(false) |> render_body("digest.html", html_data) |> attachment(Swoosh.Attachment.new(logo_path, filename: "logo.png", type: :inline)) end end defp format_links(str) do re = ~r/<a.+href=['"].*>/iU %{link_color: color} = Config.get([__MODULE__, :styling]) Regex.replace(re, str, fn link -> String.replace(link, "<a", "<a style=\"color: #{color};text-decoration: none;\"") end) end @doc """ Generate unsubscribe link for given user and notifications type. The link contains JWT token with the data, and subscription can be modified without authorization. """ @spec unsubscribe_url(User.t(), String.t()) :: String.t() def unsubscribe_url(user, notifications_type) do token = %{"sub" => user.id, "act" => %{"unsubscribe" => notifications_type}, "exp" => false} |> Pleroma.JWT.generate_and_sign!() |> Base.encode64() Router.Helpers.subscription_url(Endpoint, :unsubscribe, token) end end