friendica-addons/mailstream/mailstream.php

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<?php
/**
* Name: Mail Stream
* Description: Mail all items coming into your network feed to an email address
* Version: 0.2
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* Author: Matthew Exon <http://mat.exon.name>
*/
function mailstream_install() {
register_hook('plugin_settings', 'addon/mailstream/mailstream.php', 'mailstream_plugin_settings');
register_hook('plugin_settings_post', 'addon/mailstream/mailstream.php', 'mailstream_plugin_settings_post');
register_hook('post_remote_end', 'addon/mailstream/mailstream.php', 'mailstream_post_remote_hook');
register_hook('cron', 'addon/mailstream/mailstream.php', 'mailstream_cron');
$schema = file_get_contents(dirname(__file__).'/database.sql');
$arr = explode(';', $schema);
foreach ($arr as $a) {
$r = q($a);
}
if (get_config('mailstream', 'dbversion') == '0.1') {
q('ALTER TABLE `mailstream_item` DROP INDEX `uid`');
q('ALTER TABLE `mailstream_item` DROP INDEX `contact-id`');
q('ALTER TABLE `mailstream_item` DROP INDEX `plink`');
q('ALTER TABLE `mailstream_item` CHANGE `plink` `uri` char(255) NOT NULL');
}
if (get_config('mailstream', 'dbversion') == '0.2') {
q('DELETE FROM `pconfig` WHERE `cat` = "mailstream" AND `k` = "delay"');
}
if (get_config('mailstream', 'dbversion') == '0.3') {
q('ALTER TABLE `mailstream_item` CHANGE `created` `created` timestamp NOT NULL DEFAULT now()');
q('ALTER TABLE `mailstream_item` CHANGE `completed` `completed` timestamp NULL DEFAULT NULL');
}
if (get_config('mailstream', 'dbversion') == '0.4') {
q('ALTER TABLE `mailstream_item` CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin');
}
set_config('mailstream', 'dbversion', '0.5');
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}
function mailstream_uninstall() {
unregister_hook('plugin_settings', 'addon/mailstream/mailstream.php', 'mailstream_plugin_settings');
unregister_hook('plugin_settings_post', 'addon/mailstream/mailstream.php', 'mailstream_plugin_settings_post');
unregister_hook('post_remote', 'addon/mailstream/mailstream.php', 'mailstream_post_remote_hook');
unregister_hook('post_remote_end', 'addon/mailstream/mailstream.php', 'mailstream_post_remote_hook');
unregister_hook('cron', 'addon/mailstream/mailstream.php', 'mailstream_cron');
unregister_hook('incoming_mail', 'addon/mailstream/mailstream.php', 'mailstream_incoming_mail');
}
function mailstream_module() {}
function mailstream_plugin_admin(&$a,&$o) {
$frommail = get_config('mailstream', 'frommail');
$template = get_markup_template('admin.tpl', 'addon/mailstream/');
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$config = array('frommail',
t('From Address'),
$frommail,
t('Email address that stream items will appear to be from.'));
$o .= replace_macros($template, array(
'$frommail' => $config,
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'$submit' => t('Save Settings')));
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}
function mailstream_plugin_admin_post ($a) {
if (x($_POST, 'frommail')) {
set_config('mailstream', 'frommail', $_POST['frommail']);
}
}
function mailstream_generate_id($a, $uri) {
// http://www.jwz.org/doc/mid.html
$host = $a->get_hostname();
$resource = hash('md5', $uri);
return "<" . $resource . "@" . $host . ">";
}
function mailstream_post_remote_hook(&$a, &$item) {
if (!get_pconfig($item['uid'], 'mailstream', 'enabled')) {
return;
}
if (!$item['uid']) {
return;
}
if (!$item['contact-id']) {
return;
}
if (!$item['uri']) {
return;
}
q("INSERT INTO `mailstream_item` (`uid`, `contact-id`, `uri`, `message-id`) " .
"VALUES (%d, '%s', '%s', '%s')", intval($item['uid']),
intval($item['contact-id']), dbesc($item['uri']), dbesc(mailstream_generate_id($a, $item['uri'])));
$r = q('SELECT * FROM `mailstream_item` WHERE `uid` = %d AND `contact-id` = %d AND `uri` = "%s"', intval($item['uid']), intval($item['contact-id']), dbesc($item['uri']));
if (count($r) != 1) {
logger('mailstream_post_remote_hook: Unexpected number of items returned from mailstream_item', LOGGER_NORMAL);
return;
}
$ms_item = $r[0];
logger('mailstream_post_remote_hook: created mailstream_item '
. $ms_item['id'] . ' for item ' . $item['uri'] . ' '
. $item['uid'] . ' ' . $item['contact-id'], LOGGER_DATA);
$user = mailstream_get_user($item['uid']);
if (!$user) {
logger('mailstream_post_remote_hook: no user ' . $item['uid'], LOGGER_NORMAL);
return;
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}
mailstream_send($a, $ms_item, $item, $user);
}
function mailstream_get_user($uid) {
$r = q('SELECT * FROM `user` WHERE `uid` = %d', intval($uid));
if (count($r) != 1) {
logger('mailstream_post_remote_hook: Unexpected number of users returned', LOGGER_NORMAL);
return;
}
return $r[0];
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}
function mailstream_do_images($a, &$item, &$attachments) {
$baseurl = $a->get_baseurl();
$id = 1;
$matches = array();
preg_match_all("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", $item["body"], $matches);
if (count($matches)) {
foreach ($matches[3] as $url) {
$attachments[$url] = array();
}
}
preg_match_all("/\[img\](.*?)\[\/img\]/ism", $item["body"], $matches);
if (count($matches)) {
foreach ($matches[1] as $url) {
$attachments[$url] = array();
}
}
foreach ($attachments as $url=>$cid) {
if (strncmp($url, $baseurl, strlen($baseurl))) {
unset($attachments[$url]); // Not a local image, don't replace
}
else {
$attachments[$url]['guid'] = substr($url, strlen($baseurl) + strlen('/photo/'));
$r = q("SELECT `data`, `filename`, `type` FROM `photo` WHERE `resource-id` = '%s'", dbesc($attachments[$url]['guid']));
$attachments[$url]['data'] = $r[0]['data'];
$attachments[$url]['filename'] = $r[0]['filename'];
$attachments[$url]['type'] = $r[0]['type'];
$item['body'] = str_replace($url, 'cid:' . $attachments[$url]['guid'], $item['body']);
}
}
}
function mailstream_subject($item) {
if ($item['title']) {
return $item['title'];
}
$parent = $item['thr-parent'];
// Don't look more than 100 levels deep for a subject, in case of loops
for ($i = 0; ($i < 100) && $parent; $i++) {
$r = q("SELECT `thr-parent`, `title` FROM `item` WHERE `uri` = '%s'", dbesc($parent));
if (!count($r)) {
break;
}
if ($r[0]['thr-parent'] === $parent) {
break;
}
if ($r[0]['title']) {
return t('Re:') . ' ' . $r[0]['title'];
}
$parent = $r[0]['thr-parent'];
}
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d",
intval($item['contact-id']), intval($item['uid']));
$contact = $r[0];
if ($contact['network'] === 'dfrn') {
return t("Friendica post");
}
if ($contact['network'] === 'dspr') {
return t("Diaspora post");
}
if ($contact['network'] === 'face') {
$subject = (strlen($item['body']) > 150) ? (substr($item['body'], 0, 140) . '...') : $item['body'];
return preg_replace('/\\s+/', ' ', $subject);
}
if ($contact['network'] === 'feed') {
return t("Feed item");
}
if ($contact['network'] === 'mail') {
return t("Email");
}
return t("Friendica Item");
}
function mailstream_send($a, $ms_item, $item, $user) {
if (!$item['visible']) {
return;
}
require_once(dirname(__file__).'/class.phpmailer.php');
require_once('include/bbcode.php');
$attachments = array();
mailstream_do_images($a, $item, $attachments);
$frommail = get_config('mailstream', 'frommail');
if ($frommail == "") {
$frommail = 'friendica@localhost.local';
}
$address = get_pconfig($item['uid'], 'mailstream', 'address');
if (!$address) {
$address = $user['email'];
}
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$mail = new PHPmailer;
try {
$mail->XMailer = 'Friendica Mailstream Plugin';
$mail->SetFrom($frommail, $item['author-name']);
$mail->AddAddress($address, $user['username']);
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$mail->MessageID = $ms_item['message-id'];
$mail->Subject = mailstream_subject($item);
if ($item['thr-parent'] != $item['uri']) {
$mail->addCustomHeader('In-Reply-To: ' . mailstream_generate_id($a, $item['thr-parent']));
}
$mail->addCustomHeader('X-Friendica-Mailstream-URI: ' . $item['uri']);
$mail->addCustomHeader('X-Friendica-Mailstream-Plink: ' . $item['plink']);
$encoding = 'base64';
foreach ($attachments as $url=>$image) {
$mail->AddStringEmbeddedImage($image['data'], $image['guid'], $image['filename'], $encoding, $image['type']);
}
$mail->IsHTML(true);
$mail->CharSet = 'utf-8';
$template = get_markup_template('mail.tpl', 'addon/mailstream/');
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$item['body'] = bbcode($item['body']);
$item['url'] = $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $item['id'];
$mail->Body = replace_macros($template, array(
'$upstream' => t('Upstream'),
'$local' => t('Local'),
'$item' => $item));
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if (!$mail->Send()) {
throw new Exception($mail->ErrorInfo);
}
logger('mailstream_send sent message ' . $mail->MessageID . ' ' . $mail->Subject, LOGGER_DEBUG);
} catch (phpmailerException $e) {
logger('mailstream_send PHPMailer exception sending message ' . $ms_item['message-id'] . ': ' . $e->errorMessage(), LOGGER_NORMAL);
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} catch (Exception $e) {
logger('mailstream_send exception sending message ' . $ms_item['message-id'] . ': ' . $e->getMessage(), LOGGER_NORMAL);
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}
// In case of failure, still set the item to completed. Otherwise
// we'll just try to send it over and over again and it'll fail
// every time.
q("UPDATE `mailstream_item` SET `completed` = now() WHERE `id` = %d", intval($ms_item['id']));
}
function mailstream_cron($a, $b) {
$ms_items = q("SELECT * FROM `mailstream_item` WHERE `completed` IS NULL LIMIT 100");
logger('mailstream_cron processing ' . count($ms_items) . ' items', LOGGER_DEBUG);
foreach ($ms_items as $ms_item) {
$items = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `contact-id` = %d",
intval($ms_item['uid']), dbesc($ms_item['uri']), intval($ms_item['contact-id']));
$item = $items[0];
$users = q("SELECT * FROM `user` WHERE `uid` = %d", intval($ms_item['uid']));
$user = $users[0];
if ($user && $item) {
mailstream_send($a, $ms_item, $item, $user);
}
else {
logger('mailstream_cron: Unable to find item ' . $ms_item['uri'], LOGGER_NORMAL);
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q("UPDATE `mailstream_item` SET `completed` = now() WHERE `id` = %d", intval($ms_item['id']));
}
}
mailstream_tidy();
}
function mailstream_plugin_settings(&$a,&$s) {
$enabled = get_pconfig(local_user(), 'mailstream', 'enabled');
$address = get_pconfig(local_user(), 'mailstream', 'address');
$template = get_markup_template('settings.tpl', 'addon/mailstream/');
$s .= replace_macros($template, array(
'$address' => array(
'mailstream_address',
t('Email Address'),
$address,
t("Leave blank to use your account email address")),
'$enabled' => array(
'mailstream_enabled',
t('Enabled'),
$enabled),
'$title' => t('Mail Stream Settings'),
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'$submit' => t('Save Settings')));
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}
function mailstream_plugin_settings_post($a,$post) {
if ($_POST['mailstream_address'] != "") {
set_pconfig(local_user(), 'mailstream', 'address', $_POST['mailstream_address']);
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}
else {
del_pconfig(local_user(), 'mailstream', 'address');
}
if ($_POST['mailstream_enabled']) {
set_pconfig(local_user(), 'mailstream', 'enabled', $_POST['mailstream_enabled']);
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}
else {
del_pconfig(local_user(), 'mailstream', 'enabled');
}
}
function mailstream_tidy() {
$r = q("SELECT id FROM mailstream_item WHERE completed IS NOT NULL AND completed < DATE_SUB(NOW(), INTERVAL 1 YEAR)");
foreach ($r as $rr) {
q('DELETE FROM mailstream_item WHERE id = %d', intval($rr['id']));
}
logger('mailstream_tidy: deleted ' . count($r) . ' old items', LOGGER_DEBUG);
}