gnu-social/lib/mail.php

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* utilities for sending email
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Mail
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Zach Copley <zach@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @copyright 2008 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once 'Mail.php';
/**
* return the configured mail backend
*
* Uses the $config array to make a mail backend. Cached so it is safe to call
* more than once.
*
* @return Mail backend
*/
function mail_backend()
{
static $backend = null;
if (!$backend) {
$backend = Mail::factory(common_config('mail', 'backend'),
(common_config('mail', 'params')) ?
common_config('mail', 'params') :
array());
if (PEAR::isError($backend)) {
common_server_error($backend->getMessage(), 500);
}
}
return $backend;
}
/**
* send an email to one or more recipients
*
* @param array $recipients array of strings with email addresses of recipients
* @param array $headers array mapping strings to strings for email headers
* @param string $body body of the email
*
* @return boolean success flag
*/
function mail_send($recipients, $headers, $body)
{
// XXX: use Mail_Queue... maybe
$backend = mail_backend();
if (!isset($headers['Content-Type'])) {
$headers['Content-Type'] = 'text/plain; charset=UTF-8';
}
assert($backend); // throws an error if it's bad
$sent = $backend->send($recipients, $headers, $body);
if (PEAR::isError($sent)) {
common_log(LOG_ERR, 'Email error: ' . $sent->getMessage());
return false;
}
return true;
}
/**
* returns the configured mail domain
*
* Defaults to the server name.
*
* @return string mail domain, suitable for making email addresses.
*/
function mail_domain()
{
$maildomain = common_config('mail', 'domain');
if (!$maildomain) {
$maildomain = common_config('site', 'server');
}
return $maildomain;
}
/**
* returns a good address for sending email from this server
*
* Uses either the configured value or a faked-up value made
* from the mail domain.
*
* @return string notify from address
*/
function mail_notify_from()
{
$notifyfrom = common_config('mail', 'notifyfrom');
if (!$notifyfrom) {
$domain = mail_domain();
$notifyfrom = '"'.common_config('site', 'name') .'" <noreply@'.$domain.'>';
}
return $notifyfrom;
}
/**
* sends email to a user
*
* @param User &$user user to send email to
* @param string $subject subject of the email
* @param string $body body of the email
* @param string $address optional specification of email address
*
* @return boolean success flag
*/
function mail_to_user(&$user, $subject, $body, $address=null)
{
if (!$address) {
$address = $user->email;
}
$recipients = $address;
$profile = $user->getProfile();
$headers['From'] = mail_notify_from();
$headers['To'] = $profile->getBestName() . ' <' . $address . '>';
$headers['Subject'] = $subject;
return mail_send($recipients, $headers, $body);
}
/**
* Send an email to confirm a user's control of an email address
*
* @param User $user User claiming the email address
* @param string $code Confirmation code
* @param string $nickname Nickname of user
* @param string $address email address to confirm
*
* @see common_confirmation_code()
*
* @return success flag
*/
function mail_confirm_address($user, $code, $nickname, $address)
{
$subject = _('Email address confirmation');
$body = sprintf(_("Hey, %s.\n\n".
"Someone just entered this email address on %s.\n\n" .
"If it was you, and you want to confirm your entry, ".
"use the URL below:\n\n\t%s\n\n" .
"If not, just ignore this message.\n\n".
"Thanks for your time, \n%s\n"),
$nickname, common_config('site', 'name'),
common_local_url('confirmaddress', array('code' => $code)),
common_config('site', 'name'));
return mail_to_user($user, $subject, $body, $address);
}
/**
* notify a user of subscription by another user
*
* This is just a wrapper around the profile-based version.
*
* @param User $listenee user who is being subscribed to
* @param User $listener user who is subscribing
*
* @see mail_subscribe_notify_profile()
*
* @return void
*/
function mail_subscribe_notify($listenee, $listener)
{
$other = $listener->getProfile();
mail_subscribe_notify_profile($listenee, $other);
}
/**
* notify a user of subscription by a profile (remote or local)
*
* This function checks to see if the listenee has an email
* address and wants subscription notices.
*
* @param User $listenee user who's being subscribed to
* @param Profile $other profile of person who's listening
*
* @return void
*/
function mail_subscribe_notify_profile($listenee, $other)
{
if ($listenee->email && $listenee->emailnotifysub) {
// use the recipient's localization
common_init_locale($listenee->language);
$profile = $listenee->getProfile();
$name = $profile->getBestName();
$long_name = ($other->fullname) ?
($other->fullname . ' (' . $other->nickname . ')') : $other->nickname;
$recipients = $listenee->email;
$headers['From'] = mail_notify_from();
$headers['To'] = $name . ' <' . $listenee->email . '>';
$headers['Subject'] = sprintf(_('%1$s is now listening to '.
'your notices on %2$s.'),
$other->getBestName(),
common_config('site', 'name'));
$body = sprintf(_('%1$s is now listening to your notices on %2$s.'."\n\n".
"\t".'%3$s'."\n\n".
'%4$s'.
'%5$s'.
'%6$s'.
"\n".'Faithfully yours,'."\n".'%7$s.'."\n\n".
"----\n".
"Change your email address or ".
"notification options at ".'%8$s' ."\n"),
$long_name,
common_config('site', 'name'),
$other->profileurl,
($other->location) ?
sprintf(_("Location: %s\n"), $other->location) : '',
($other->homepage) ?
sprintf(_("Homepage: %s\n"), $other->homepage) : '',
($other->bio) ?
sprintf(_("Bio: %s\n\n"), $other->bio) : '',
common_config('site', 'name'),
common_local_url('emailsettings'));
// reset localization
common_init_locale();
mail_send($recipients, $headers, $body);
}
}
/**
* notify a user of their new incoming email address
*
* User's email and incoming fields should already be updated.
*
* @param User $user user with the new address
*
* @return void
*/
function mail_new_incoming_notify($user)
{
$profile = $user->getProfile();
$name = $profile->getBestName();
$headers['From'] = $user->incomingemail;
$headers['To'] = $name . ' <' . $user->email . '>';
$headers['Subject'] = sprintf(_('New email address for posting to %s'),
common_config('site', 'name'));
$body = sprintf(_("You have a new posting address on %1\$s.\n\n".
"Send email to %2\$s to post new messages.\n\n".
"More email instructions at %3\$s.\n\n".
"Faithfully yours,\n%4\$s"),
common_config('site', 'name'),
$user->incomingemail,
common_local_url('doc', array('title' => 'email')),
common_config('site', 'name'));
mail_send($user->email, $headers, $body);
}
/**
* generate a new address for incoming messages
*
* @todo check the database for uniqueness
*
* @return string new email address for incoming messages
*/
function mail_new_incoming_address()
{
$prefix = common_confirmation_code(64);
$suffix = mail_domain();
return $prefix . '@' . $suffix;
}
/**
* broadcast a notice to all subscribers with SMS notification on
*
* This function sends SMS messages to all users who have sms addresses;
* have sms notification on; and have sms enabled for this particular
* subscription.
*
* @param Notice $notice The notice to broadcast
*
* @return success flag
*/
function mail_broadcast_notice_sms($notice)
{
// Now, get users subscribed to this profile
$user = new User();
$UT = common_config('db','type')=='pgsql'?'"user"':'user';
$user->query('SELECT nickname, smsemail, incomingemail ' .
"FROM $UT JOIN subscription " .
"ON $UT.id = subscription.subscriber " .
'WHERE subscription.subscribed = ' . $notice->profile_id . ' ' .
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'AND subscription.subscribed != subscription.subscriber ' .
"AND $UT.smsemail IS NOT null " .
"AND $UT.smsnotify = 1 " .
'AND subscription.sms = 1 ');
while ($user->fetch()) {
common_log(LOG_INFO,
'Sending notice ' . $notice->id . ' to ' . $user->smsemail,
__FILE__);
$success = mail_send_sms_notice_address($notice,
$user->smsemail,
$user->incomingemail);
if (!$success) {
// XXX: Not sure, but I think that's the right thing to do
common_log(LOG_WARNING,
'Sending notice ' . $notice->id . ' to ' .
$user->smsemail . ' FAILED, cancelling.',
__FILE__);
return false;
}
}
$user->free();
unset($user);
return true;
}
/**
* send a notice to a user via SMS
*
* A convenience wrapper around mail_send_sms_notice_address()
*
* @param Notice $notice notice to send
* @param User $user user to receive notice
*
* @see mail_send_sms_notice_address()
*
* @return boolean success flag
*/
function mail_send_sms_notice($notice, $user)
{
return mail_send_sms_notice_address($notice,
$user->smsemail,
$user->incomingemail);
}
/**
* send a notice to an SMS email address from a given address
*
* We use the user's incoming email address as the "From" address to make
* replying to notices easier.
*
* @param Notice $notice notice to send
* @param string $smsemail email address to send to
* @param string $incomingemail email address to set as 'from'
*
* @return boolean success flag
*/
function mail_send_sms_notice_address($notice, $smsemail, $incomingemail)
{
$to = $nickname . ' <' . $smsemail . '>';
$other = $notice->getProfile();
common_log(LOG_INFO, 'Sending notice ' . $notice->id .
' to ' . $smsemail, __FILE__);
$headers = array();
$headers['From'] = ($incomingemail) ? $incomingemail : mail_notify_from();
$headers['To'] = $to;
$headers['Subject'] = sprintf(_('%s status'),
$other->getBestName());
$body = $notice->content;
return mail_send($smsemail, $headers, $body);
}
/**
* send a message to confirm a claim for an SMS number
*
* @param string $code confirmation code
* @param string $nickname nickname of user claiming number
* @param string $address email address to send the confirmation to
*
* @see common_confirmation_code()
*
* @return void
*/
function mail_confirm_sms($code, $nickname, $address)
{
$recipients = $address;
$headers['From'] = mail_notify_from();
$headers['To'] = $nickname . ' <' . $address . '>';
$headers['Subject'] = _('SMS confirmation');
// FIXME: I18N
$body = "$nickname: confirm you own this phone number with this code:";
$body .= "\n\n";
$body .= $code;
$body .= "\n\n";
mail_send($recipients, $headers, $body);
}
/**
* send a mail message to notify a user of a 'nudge'
*
* @param User $from user nudging
* @param User $to user being nudged
*
* @return boolean success flag
*/
function mail_notify_nudge($from, $to)
{
common_init_locale($to->language);
$subject = sprintf(_('You\'ve been nudged by %s'), $from->nickname);
$from_profile = $from->getProfile();
$body = sprintf(_("%1\$s (%2\$s) is wondering what you are up to ".
"these days and is inviting you to post some news.\n\n".
"So let's hear from you :)\n\n".
"%3\$s\n\n".
"Don't reply to this email; it won't get to them.\n\n".
"With kind regards,\n".
"%4\$s\n"),
$from_profile->getBestName(),
$from->nickname,
common_local_url('all', array('nickname' => $to->nickname)),
common_config('site', 'name'));
common_init_locale();
return mail_to_user($to, $subject, $body);
}
/**
* send a message to notify a user of a direct message (DM)
*
* This function checks to see if the recipient wants notification
* of DMs and has a configured email address.
*
* @param Message $message message to notify about
* @param User $from user sending message; default to sender
* @param User $to user receiving message; default to recipient
*
* @return boolean success code
*/
function mail_notify_message($message, $from=null, $to=null)
{
if (is_null($from)) {
$from = User::staticGet('id', $message->from_profile);
}
if (is_null($to)) {
$to = User::staticGet('id', $message->to_profile);
}
if (is_null($to->email) || !$to->emailnotifymsg) {
return true;
}
common_init_locale($to->language);
$subject = sprintf(_('New private message from %s'), $from->nickname);
$from_profile = $from->getProfile();
$body = sprintf(_("%1\$s (%2\$s) sent you a private message:\n\n".
"------------------------------------------------------\n".
"%3\$s\n".
"------------------------------------------------------\n\n".
"You can reply to their message here:\n\n".
"%4\$s\n\n".
"Don't reply to this email; it won't get to them.\n\n".
"With kind regards,\n".
"%5\$s\n"),
$from_profile->getBestName(),
$from->nickname,
$message->content,
common_local_url('newmessage', array('to' => $from->id)),
common_config('site', 'name'));
common_init_locale();
return mail_to_user($to, $subject, $body);
}
/**
* notify a user that one of their notices has been chosen as a 'fave'
*
* Doesn't check that the user has an email address nor if they
* want to receive notification of faves. Maybe this happens higher
* up the stack...?
*
* @param User $other The user whose notice was faved
* @param User $user The user who faved the notice
* @param Notice $notice The notice that was faved
*
* @return void
*/
function mail_notify_fave($other, $user, $notice)
{
$profile = $user->getProfile();
$bestname = $profile->getBestName();
common_init_locale($other->language);
$subject = sprintf(_('%s added your notice as a favorite'), $bestname);
$body = sprintf(_("%1\$s just added your notice from %2\$s".
" as one of their favorites.\n\n" .
"The URL of your notice is:\n\n" .
"%3\$s\n\n" .
"The text of your notice is:\n\n" .
"%4\$s\n\n" .
"You can see the list of %1\$s's favorites here:\n\n" .
"%5\$s\n\n" .
"Faithfully yours,\n" .
"%6\$s\n"),
$bestname,
common_exact_date($notice->created),
common_local_url('shownotice',
array('notice' => $notice->id)),
$notice->content,
common_local_url('showfavorites',
array('nickname' => $user->nickname)),
common_config('site', 'name'));
common_init_locale();
mail_to_user($other, $subject, $body);
}
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/**
* notify a user that they have received an "attn:" message AKA "@-reply"
*
* @param User $user The user who recevied the notice
* @param Notice $notice The notice that was sent
*
* @return void
*/
function mail_notify_attn($user, $notice)
{
if (!$user->email || !$user->emailnotifyattn) {
return;
}
$sender = $notice->getProfile();
$bestname = $sender->getBestName();
common_init_locale($user->language);
$subject = sprintf(_('%s sent a notice to your attention'), $bestname);
$body = sprintf(_("%1\$s just sent a notice to your attention (an '@-reply') on %2\$s.\n\n".
"The notice is here:\n\n".
"\t%3\$s\n\n" .
"It reads:\n\n".
"\t%4\$s\n\n" .
"You can reply back here:\n\n".
"\t%5\$s\n\n" .
"The list of all @-replies for you here:\n\n" .
"%6\$s\n\n" .
"Faithfully yours,\n" .
"%2\$s\n\n" .
"P.S. You can turn off these email notifications here: %7\$s\n"),
$bestname,
common_config('site', 'name'),
common_local_url('shownotice',
array('notice' => $notice->id)),
$notice->content,
common_local_url('newnotice',
array('replyto' => $sender->nickname)),
common_local_url('replies',
array('nickname' => $user->nickname)),
common_local_url('emailsettings'));
common_init_locale();
mail_to_user($user, $subject, $body);
}
/**
* Send a mail message to notify a user that her Twitter bridge link
* has stopped working, and therefore has been removed. This can
* happen when the user changes her Twitter password, or otherwise
* revokes access.
*
* @param User $user user whose Twitter bridge link has been removed
*
* @return boolean success flag
*/
function mail_twitter_bridge_removed($user)
{
common_init_locale($user->language);
$profile = $user->getProfile();
$subject = sprintf(_('Your Twitter bridge has been disabled.'));
$body = sprintf(_("Hi, %1\$s. We're sorry to inform you that your " .
'link to Twitter has been disabled. Your Twitter credentials ' .
'have either changed (did you recently change your Twitter ' .
'password?) or you have otherwise revoked our access to your ' .
"Twitter account.\n\n" .
'You can re-enable your Twitter bridge by visiting your ' .
"Twitter settings page:\n\n\t%2\$s\n\n" .
"Regards,\n%3\$s\n"),
$profile->getBestName(),
common_local_url('twittersettings'),
common_config('site', 'name'));
common_init_locale();
return mail_to_user($user, $subject, $body);
}
/**
* Send a mail message to notify a user that her Facebook Application
* access has been removed.
*
* @param User $user user whose Facebook app link has been removed
*
* @return boolean success flag
*/
function mail_facebook_app_removed($user)
{
common_init_locale($user->language);
$profile = $user->getProfile();
$site_name = common_config('site', 'name');
$subject = sprintf(
_('Your %s Facebook application access has been disabled.',
$site_name));
$body = sprintf(_("Hi, %1\$s. We're sorry to inform you that we are " .
'unable to update your Facebook status from %s, and have disabled ' .
'the Facebook application for your account. This may be because ' .
'you have removed the Facebook application\'s authorization, or ' .
'have deleted your Facebook account. You can re-enable the ' .
'Facebook application and automatic status updating by ' .
"re-installing the %1\$s Facebook application.\n\nRegards,\n\n%1\$s"),
$site_name);
common_init_locale();
return mail_to_user($user, $subject, $body);
}