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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Emails.UserEmail do
@moduledoc "User emails"
require Pleroma.Web.Gettext
alias Pleroma.Config
alias Pleroma.User
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Gettext
alias Pleroma.Web.Router
import Swoosh.Email
import Phoenix.Swoosh, except: [render_body: 3]
import Pleroma.Config.Helpers, only: [instance_name: 0, sender: 0]
def render_body(email, template, assigns \\ %{}) do
email
|> put_new_layout({Pleroma.Web.LayoutView, :email})
|> put_new_view(Pleroma.Web.EmailView)
|> Phoenix.Swoosh.render_body(template, assigns)
end
defp recipient(email, nil), do: email
defp recipient(email, name), do: {name, email}
defp recipient(%User{} = user), do: recipient(user.email, user.name)
@spec welcome(User.t(), map()) :: Swoosh.Email.t()
def welcome(user, opts \\ %{}) do
Gettext.with_locale_or_default user.language do
new()
|> to(recipient(user))
|> from(Map.get(opts, :sender, sender()))
|> subject(
Map.get(
opts,
:subject,
Gettext.dpgettext(
"static_pages",
"welcome email subject",
"Welcome to %{instance_name}!",
instance_name: instance_name()
)
)
)
|> html_body(
Map.get(
opts,
:html,
Gettext.dpgettext(
"static_pages",
"welcome email html body",
"Welcome to %{instance_name}!",
instance_name: instance_name()
)
)
)
|> text_body(
Map.get(
opts,
:text,
Gettext.dpgettext(
"static_pages",
"welcome email text body",
"Welcome to %{instance_name}!",
instance_name: instance_name()
)
)
)
end
end
def password_reset_email(user, token) when is_binary(token) do
Gettext.with_locale_or_default user.language do
password_reset_url = Router.Helpers.reset_password_url(Endpoint, :reset, token)
html_body =
Gettext.dpgettext(
"static_pages",
"password reset email 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>
""",
instance_name: instance_name(),
password_reset_url: password_reset_url
)
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext("static_pages", "password reset email subject", "Password reset")
)
|> html_body(html_body)
end
end
def user_invitation_email(
user,
%Pleroma.UserInviteToken{} = user_invite_token,
to_email,
to_name \\ nil
) do
Gettext.with_locale_or_default user.language do
registration_url =
Router.Helpers.redirect_url(
Endpoint,
:registration_page,
user_invite_token.token
)
html_body =
Gettext.dpgettext(
"static_pages",
"user invitation email body",
"""
<h3>You are invited to %{instance_name}</h3>
<p>%{inviter_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>
""",
instance_name: instance_name(),
inviter_name: user.name,
registration_url: registration_url
)
new()
|> to(recipient(to_email, to_name))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"user invitation email subject",
"Invitation to %{instance_name}",
instance_name: instance_name()
)
)
|> html_body(html_body)
end
end
def account_confirmation_email(user) do
Gettext.with_locale_or_default user.language do
confirmation_url =
Router.Helpers.confirm_email_url(
Endpoint,
:confirm_email,
user.id,
to_string(user.confirmation_token)
)
html_body =
Gettext.dpgettext(
"static_pages",
"confirmation email body",
"""
<h3>Thank you for registering on %{instance_name}</h3>
<p>Email confirmation is required to activate the account.</p>
<p>Please click the following link to <a href="%{confirmation_url}">activate your account</a>.</p>
""",
instance_name: instance_name(),
confirmation_url: confirmation_url
)
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"confirmation email subject",
"%{instance_name} account confirmation",
instance_name: instance_name()
)
)
|> html_body(html_body)
end
end
def approval_pending_email(user) do
Gettext.with_locale_or_default user.language do
html_body =
Gettext.dpgettext(
"static_pages",
"approval pending email body",
"""
<h3>Awaiting Approval</h3>
<p>Your account at %{instance_name} is being reviewed by staff. You will receive another email once your account is approved.</p>
""",
instance_name: instance_name()
)
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"approval pending email subject",
"Your account is awaiting approval"
)
)
|> html_body(html_body)
end
end
def successful_registration_email(user) do
Gettext.with_locale_or_default user.language do
html_body =
Gettext.dpgettext(
"static_pages",
"successful registration email body",
"""
<h3>Hello @%{nickname},</h3>
<p>Your account at %{instance_name} has been registered successfully.</p>
<p>No further action is required to activate your account.</p>
""",
nickname: user.nickname,
instance_name: instance_name()
)
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"successful registration email subject",
"Account registered on %{instance_name}",
instance_name: instance_name()
)
)
|> html_body(html_body)
end
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
Gettext.with_locale_or_default user.language 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, fetch: false)
if not is_nil(object) do
object = update_in(object.data["content"], &format_links/1)
%{
data: notification,
object: object,
from: User.get_by_ap_id(notification.activity.actor)
}
end
end)
|> Enum.filter(& &1)
followers =
notifications
|> Enum.filter(&(&1.activity.data["type"] == "Follow"))
|> Enum.map(fn notification ->
from = User.get_by_ap_id(notification.activity.actor)
if not is_nil(from) do
%{
data: notification,
object: Pleroma.Object.normalize(notification.activity, fetch: false),
from: User.get_by_ap_id(notification.activity.actor)
}
end
end)
|> Enum.filter(& &1)
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.svg")
else
Path.join(Config.get([:instance, :static_dir]), logo)
end
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"digest email subject",
"Your digest from %{instance_name}",
instance_name: instance_name()
)
)
|> put_layout(false)
|> render_body("digest.html", html_data)
|> attachment(Swoosh.Attachment.new(logo_path, filename: "logo.svg", type: :inline))
end
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
def backup_is_ready_email(backup, admin_user_id \\ nil) do
%{user: user} = Pleroma.Repo.preload(backup, :user)
Gettext.with_locale_or_default user.language do
download_url = Pleroma.Web.PleromaAPI.BackupView.download_url(backup)
html_body =
if is_nil(admin_user_id) do
Gettext.dpgettext(
"static_pages",
"account archive email body - self-requested",
"""
<p>You requested a full backup of your Pleroma account. It's ready for download:</p>
<p><a href="%{download_url}">%{download_url}</a></p>
""",
download_url: download_url
)
else
admin = Pleroma.Repo.get(User, admin_user_id)
Gettext.dpgettext(
"static_pages",
"account archive email body - admin requested",
"""
<p>Admin @%{admin_nickname} requested a full backup of your Pleroma account. It's ready for download:</p>
<p><a href="%{download_url}">%{download_url}</a></p>
""",
admin_nickname: admin.nickname,
download_url: download_url
)
end
new()
|> to(recipient(user))
|> from(sender())
|> subject(
Gettext.dpgettext(
"static_pages",
"account archive email subject",
"Your account archive is ready"
)
)
|> html_body(html_body)
end
end
end

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