592 lines
19 KiB
PHP
592 lines
19 KiB
PHP
<?php
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/**
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* Name: Mail Stream
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* Description: Mail all items coming into your network feed to an email address
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* Version: 1.1
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* Author: Matthew Exon <http://mat.exon.name>
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*/
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Protocol\Activity;
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/**
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* Sets up the addon hooks and the database table
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*/
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function mailstream_install()
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{
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Hook::register('addon_settings', 'addon/mailstream/mailstream.php', 'mailstream_addon_settings');
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Hook::register('addon_settings_post', 'addon/mailstream/mailstream.php', 'mailstream_addon_settings_post');
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Hook::register('post_local_end', 'addon/mailstream/mailstream.php', 'mailstream_post_hook');
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Hook::register('post_remote_end', 'addon/mailstream/mailstream.php', 'mailstream_post_hook');
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Hook::register('cron', 'addon/mailstream/mailstream.php', 'mailstream_cron');
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if (DI::config()->get('mailstream', 'dbversion') == '0.1') {
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q('ALTER TABLE `mailstream_item` DROP INDEX `uid`');
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q('ALTER TABLE `mailstream_item` DROP INDEX `contact-id`');
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q('ALTER TABLE `mailstream_item` DROP INDEX `plink`');
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q('ALTER TABLE `mailstream_item` CHANGE `plink` `uri` char(255) NOT NULL');
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DI::config()->set('mailstream', 'dbversion', '0.2');
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}
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if (DI::config()->get('mailstream', 'dbversion') == '0.2') {
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q('DELETE FROM `pconfig` WHERE `cat` = "mailstream" AND `k` = "delay"');
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DI::config()->set('mailstream', 'dbversion', '0.3');
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}
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if (DI::config()->get('mailstream', 'dbversion') == '0.3') {
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q('ALTER TABLE `mailstream_item` CHANGE `created` `created` timestamp NOT NULL DEFAULT now()');
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q('ALTER TABLE `mailstream_item` CHANGE `completed` `completed` timestamp NULL DEFAULT NULL');
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DI::config()->set('mailstream', 'dbversion', '0.4');
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}
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if (DI::config()->get('mailstream', 'dbversion') == '0.4') {
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q('ALTER TABLE `mailstream_item` CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin');
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DI::config()->set('mailstream', 'dbversion', '0.5');
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}
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if (DI::config()->get('mailstream', 'dbversion') == '0.5') {
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DI::config()->set('mailstream', 'dbversion', '1.0');
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}
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if (DI::config()->get('retriever', 'dbversion') != '1.0') {
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$schema = file_get_contents(dirname(__file__).'/database.sql');
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$arr = explode(';', $schema);
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foreach ($arr as $a) {
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$r = q($a);
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}
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DI::config()->set('mailstream', 'dbversion', '1.0');
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}
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}
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/**
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* This funciton indicates a module that can be wrapped in the LegacyModule class
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*/
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function mailstream_module()
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{
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}
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/**
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* Adds an item in "addon features" in the admin menu of the site
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*
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* @param Friendica\App $a App object (unused)
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* @param string $o HTML form data
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*/
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function mailstream_addon_admin(&$a, &$o)
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{
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$frommail = DI::config()->get('mailstream', 'frommail');
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$template = Renderer::getMarkupTemplate('admin.tpl', 'addon/mailstream/');
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$config = ['frommail',
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DI::l10n()->t('From Address'),
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$frommail,
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DI::l10n()->t('Email address that stream items will appear to be from.')];
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$o .= Renderer::replaceMacros($template, [
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'$frommail' => $config,
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'$submit' => DI::l10n()->t('Save Settings')]);
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}
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/**
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* Process input from the "addon features" part of the admin menu
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*/
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function mailstream_addon_admin_post()
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{
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if (!empty($_POST['frommail'])) {
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DI::config()->set('mailstream', 'frommail', $_POST['frommail']);
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}
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}
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/**
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* Creates a message ID for a post URI in accordance with RFC 1036
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* See also http://www.jwz.org/doc/mid.html
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*
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* @param string $uri the URI to be converted to a message ID
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*
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* @return string the created message ID
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*/
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function mailstream_generate_id($uri)
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{
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$host = DI::baseUrl()->getHostname();
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$resource = hash('md5', $uri);
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$message_id = "<" . $resource . "@" . $host . ">";
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Logger::debug('mailstream: Generated message ID ' . $message_id . ' for URI ' . $uri);
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return $message_id;
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}
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/**
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* Called when either a local or remote post is created. Creates a
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* record in the mailstream_item table to track this email, and then
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* immediately attempts to send it
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*
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* @param Friendica\App $a App object (unused)
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* @param array $item content of the item (may or may not already be stored in the item table)
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*/
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function mailstream_post_hook(&$a, &$item)
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{
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if (!DI::pConfig()->get($item['uid'], 'mailstream', 'enabled')) {
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Logger::debug('mailstream: not enabled for item ' . $item['id']);
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return;
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}
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if (!$item['uid']) {
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Logger::debug('mailstream: no uid for item ' . $item['id']);
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return;
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}
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if (!$item['contact-id']) {
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Logger::debug('mailstream: no contact-id for item ' . $item['id']);
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return;
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}
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if (!$item['uri']) {
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Logger::debug('mailstream: no uri for item ' . $item['id']);
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return;
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}
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if (!$item['plink']) {
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Logger::debug('mailstream: no plink for item ' . $item['id']);
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return;
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}
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if (DI::pConfig()->get($item['uid'], 'mailstream', 'nolikes')) {
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if ($item['verb'] == Activity::LIKE) {
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Logger::debug('mailstream: like item ' . $item['id']);
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return;
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}
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}
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$message_id = mailstream_generate_id($item['uri']);
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q(
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"INSERT INTO `mailstream_item` (`uid`, `contact-id`, `uri`, `message-id`) " .
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"VALUES (%d, '%s', '%s', '%s')",
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intval($item['uid']),
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intval($item['contact-id']),
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DBA::escape($item['uri']),
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DBA::escape($message_id)
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);
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$r = q(
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'SELECT * FROM `mailstream_item` WHERE `uid` = %d AND `contact-id` = %d AND `uri` = "%s"',
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intval($item['uid']),
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intval($item['contact-id']),
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DBA::escape($item['uri'])
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);
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if (count($r) != 1) {
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Logger::info('mailstream_post_remote_hook: Unexpected number of items returned from mailstream_item');
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return;
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}
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$ms_item = $r[0];
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Logger::debug('mailstream_post_remote_hook: created mailstream_item ' . $ms_item['id'] .
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' for item ' . $item['uri'] . ' ' . $item['uid'] . ' ' . $item['contact-id']);
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$user = mailstream_get_user($item['uid']);
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if (!$user) {
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Logger::info('mailstream_post_remote_hook: no user ' . $item['uid']);
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return;
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}
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mailstream_send($ms_item['message-id'], $item, $user);
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}
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/**
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* Converts a user ID into a full user record from the corresponding database table
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*
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* @param int $uid ID of the user to query
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*
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* @return array results from the user table
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*/
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function mailstream_get_user($uid)
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{
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$r = q('SELECT * FROM `user` WHERE `uid` = %d', intval($uid));
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if (count($r) != 1) {
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Logger::info('mailstream_post_remote_hook: Unexpected number of users returned');
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return;
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}
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return $r[0];
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}
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/**
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* If the user has configured attaching images to emails as
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* attachments, this function searches the post for such images,
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* retrieves the image, and inserts the data and metadata into the
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* supplied array
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*
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* @param array $item content of the item
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* @param array $attachments contains an array element for each attachment to add to the email
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*
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* @return array new value of the attachments table (results are also stored in the reference parameter)
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*/
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function mailstream_do_images(&$item, &$attachments)
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{
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if (!DI::pConfig()->get($item['uid'], 'mailstream', 'attachimg')) {
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return;
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}
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$attachments = [];
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preg_match_all("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", $item["body"], $matches1);
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preg_match_all("/\[img\](.*?)\[\/img\]/ism", $item["body"], $matches2);
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preg_match_all("/\[img\=([^\]]*)\]([^[]*)\[\/img\]/ism", $item["body"], $matches3);
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foreach (array_merge($matches1[3], $matches2[1], $matches3[1]) as $url) {
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$components = parse_url($url);
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if (!$components) {
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continue;
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}
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$cookiejar = tempnam(get_temppath(), 'cookiejar-mailstream-');
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$curlResult = DI::httpRequest()->fetchFull($url, 0, '', $cookiejar);
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$attachments[$url] = [
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'data' => $curlResult->getBody(),
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'guid' => hash("crc32", $url),
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'filename' => basename($components['path']),
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'type' => $curlResult->getContentType()
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];
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if (strlen($attachments[$url]['data'])) {
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$item['body'] = str_replace($url, 'cid:' . $attachments[$url]['guid'], $item['body']);
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continue;
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}
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}
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return $attachments;
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}
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/**
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* Creates a sender to use in the email, either from the contact or the author of the item, or both
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*
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* @param array $item content of the item
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*
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* @return string sender suitable for use in the email
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*/
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function mailstream_sender($item)
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{
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$r = q('SELECT * FROM `contact` WHERE `id` = %d', $item['contact-id']);
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if (DBA::isResult($r)) {
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$contact = $r[0];
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if ($contact['name'] != $item['author-name']) {
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return $contact['name'] . ' - ' . $item['author-name'];
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}
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}
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return $item['author-name'];
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}
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/**
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* Converts a bbcode-encoded subject line into a plaintext version suitable for the subject line of an email
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*
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* @param string $subject bbcode-encoded subject line
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*
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* @return string plaintext subject line
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*/
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function mailstream_decode_subject($subject)
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{
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$html = BBCode::convert($subject);
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if (!$html) {
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return $subject;
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}
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$notags = strip_tags($html);
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if (!$notags) {
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return $subject;
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}
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$noentity = html_entity_decode($notags);
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if (!$noentity) {
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return $notags;
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}
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$nocodes = preg_replace_callback("/(&#[0-9]+;)/", function ($m) {
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return mb_convert_encoding($m[1], "UTF-8", "HTML-ENTITIES");
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}, $noentity);
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if (!$nocodes) {
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return $noentity;
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}
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$trimmed = trim($nocodes);
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if (!$trimmed) {
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return $nocodes;
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}
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return $trimmed;
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}
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/**
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* Creates a subject line to use in the email
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*
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* @param array $item content of the item
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*
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* @return string subject line suitable for use in the email
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*/
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function mailstream_subject($item)
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{
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if ($item['title']) {
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return mailstream_decode_subject($item['title']);
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}
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$parent = $item['thr-parent'];
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// Don't look more than 100 levels deep for a subject, in case of loops
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for ($i = 0; ($i < 100) && $parent; $i++) {
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$parent_item = Post::selectFirst(['thr-parent', 'title'], ['uri' => $parent]);
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if (!DBA::isResult($parent_item)) {
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break;
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}
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if ($parent_item['thr-parent'] === $parent) {
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break;
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}
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if ($parent_item['title']) {
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return DI::l10n()->t('Re:') . ' ' . mailstream_decode_subject($parent_item['title']);
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}
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$parent = $parent_item['thr-parent'];
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}
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$r = q(
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"SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d",
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intval($item['contact-id']),
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intval($item['uid'])
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);
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if (!DBA::isResult($r)) {
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Logger::error(
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'mailstream_subject no contact for item',
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['item id' => $item['id'], 'plink' => $item['plink'], 'contact id' => $item['contact-id'], 'uid' => $item['uid']]
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);
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return DI::l10n()->t("Friendica post");
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}
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$contact = $r[0];
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if ($contact['network'] === 'dfrn') {
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return DI::l10n()->t("Friendica post");
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}
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if ($contact['network'] === 'dspr') {
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return DI::l10n()->t("Diaspora post");
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}
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if ($contact['network'] === 'face') {
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$text = mailstream_decode_subject($item['body']);
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// For some reason these do show up in Facebook
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$text = preg_replace('/\xA0$/', '', $text);
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$subject = (strlen($text) > 150) ? (substr($text, 0, 140) . '...') : $text;
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return preg_replace('/\\s+/', ' ', $subject);
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}
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if ($contact['network'] === 'feed') {
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return DI::l10n()->t("Feed item");
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}
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if ($contact['network'] === 'mail') {
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return DI::l10n()->t("Email");
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}
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return DI::l10n()->t("Friendica Item");
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}
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/**
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* Sends a message using PHPMailer
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*
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* @param string $message_id ID of the message (RFC 1036)
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* @param array $item content of the item
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* @param array $user results from the user table
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*/
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function mailstream_send($message_id, $item, $user)
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{
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if (!$item['visible']) {
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return;
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}
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if (!$message_id) {
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return;
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}
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require_once(dirname(__file__).'/phpmailer/class.phpmailer.php');
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$attachments = [];
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mailstream_do_images($item, $attachments);
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$frommail = DI::config()->get('mailstream', 'frommail');
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if ($frommail == "") {
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$frommail = 'friendica@localhost.local';
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}
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$address = DI::pConfig()->get($item['uid'], 'mailstream', 'address');
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if (!$address) {
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$address = $user['email'];
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}
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$mail = new PHPmailer;
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try {
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$mail->XMailer = 'Friendica Mailstream Addon';
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$mail->SetFrom($frommail, mailstream_sender($item));
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$mail->AddAddress($address, $user['username']);
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$mail->MessageID = $message_id;
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$mail->Subject = mailstream_subject($item);
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if ($item['thr-parent'] != $item['uri']) {
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$mail->addCustomHeader('In-Reply-To: ' . mailstream_generate_id($item['thr-parent']));
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}
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$mail->addCustomHeader('X-Friendica-Mailstream-URI: ' . $item['uri']);
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$mail->addCustomHeader('X-Friendica-Mailstream-Plink: ' . $item['plink']);
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$encoding = 'base64';
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foreach ($attachments as $url => $image) {
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$mail->AddStringEmbeddedImage(
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$image['data'],
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$image['guid'],
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$image['filename'],
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$encoding,
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$image['type']
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);
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}
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$mail->IsHTML(true);
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$mail->CharSet = 'utf-8';
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$template = Renderer::getMarkupTemplate('mail.tpl', 'addon/mailstream/');
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$mail->AltBody = BBCode::toPlaintext($item['body']);
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$item['body'] = BBCode::convert($item['body'], false, BBCode::CONNECTORS);
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$item['url'] = DI::baseUrl()->get() . '/display/' . $item['guid'];
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$mail->Body = Renderer::replaceMacros($template, [
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'$upstream' => DI::l10n()->t('Upstream'),
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'$local' => DI::l10n()->t('Local'),
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'$item' => $item]);
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mailstream_html_wrap($mail->Body);
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if (!$mail->Send()) {
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throw new Exception($mail->ErrorInfo);
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}
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Logger::debug('mailstream_send sent message ' . $mail->MessageID . ' ' . $mail->Subject);
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} catch (phpmailerException $e) {
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Logger::debug('mailstream_send PHPMailer exception sending message ' . $message_id . ': ' . $e->errorMessage());
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} catch (Exception $e) {
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Logger::debug('mailstream_send exception sending message ' . $message_id . ': ' . $e->getMessage());
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}
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// In case of failure, still set the item to completed. Otherwise
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// we'll just try to send it over and over again and it'll fail
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// every time.
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q('UPDATE `mailstream_item` SET `completed` = now() WHERE `message-id` = "%s"', DBA::escape($message_id));
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}
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/**
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* Email tends to break if you send excessively long lines. To make
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* bbcode's output suitable for transmission, we try to break things
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* up so that lines are about 200 characters.
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*
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* @param string $text text to word wrap - modified in-place
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*/
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function mailstream_html_wrap(&$text)
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{
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$lines = str_split($text, 200);
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for ($i = 0; $i < count($lines); $i++) {
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$lines[$i] = preg_replace('/ /', "\n", $lines[$i], 1);
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}
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$text = implode($lines);
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}
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/**
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* Cron job for the mailstream plugin. Sends delayed messages and cleans up old successful entries from the table.
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*/
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function mailstream_cron()
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{
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// Only process items older than an hour in cron. This is because
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// we want to give mailstream_post_remote_hook a fair chance to
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// send the email itself before cron jumps in. Only if
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// mailstream_post_remote_hook fails for some reason will this get
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// used, and in that case it's worth holding off a bit anyway.
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$query = <<< EOT
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SELECT
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`mailstream_item`.`message-id`,
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`mailstream_item`.`uri`,
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`post-user-view`.`id`
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FROM
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`mailstream_item`
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JOIN
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`post-user-view`
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ON (
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`mailstream_item`.`uid` = `post-user-view`.`uid` AND
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`mailstream_item`.`uri` = `post-user-view`.`uri` AND
|
|
`mailstream_item`.`contact-id` = `post-user-view`.`contact-id`
|
|
)
|
|
WHERE
|
|
`mailstream_item`.`completed` IS NULL AND
|
|
`mailstream_item`.`created` < DATE_SUB(NOW(), INTERVAL 1 HOUR) AND
|
|
`post-user-view`.`visible` = 1
|
|
ORDER BY `mailstream_item`.`created`
|
|
LIMIT 100
|
|
|
|
EOT;
|
|
$ms_item_ids = q($query);
|
|
if (DBA::isResult($ms_item_ids)) {
|
|
Logger::debug('mailstream_cron processing ' . count($ms_item_ids) . ' items');
|
|
foreach ($ms_item_ids as $ms_item_id) {
|
|
if (!$ms_item_id['message-id'] || !strlen($ms_item_id['message-id'])) {
|
|
Logger::info('mailstream_cron: Item ' . $ms_item_id['id'] .
|
|
' URI ' . $ms_item_id['uri'] . ' has no message-id');
|
|
}
|
|
$item = Post::selectFirst([], ['id' => $ms_item_id['id']]);
|
|
$users = q("SELECT * FROM `user` WHERE `uid` = %d", intval($item['uid']));
|
|
$user = $users[0];
|
|
if ($user && $item) {
|
|
mailstream_send($ms_item_id['message-id'], $item, $user);
|
|
} else {
|
|
Logger::info('mailstream_cron: Unable to find item ' . $ms_item_id['id']);
|
|
q(
|
|
"UPDATE `mailstream_item` SET `completed` = now() WHERE `message-id` = %d",
|
|
intval($ms_item_id['message-id'])
|
|
);
|
|
}
|
|
}
|
|
}
|
|
mailstream_tidy();
|
|
}
|
|
|
|
/**
|
|
* Form for configuring mailstream features for a user
|
|
*
|
|
* @param Friendica\App $a App object
|
|
* @param string $o HTML form data
|
|
*/
|
|
function mailstream_addon_settings(&$a, &$s)
|
|
{
|
|
$enabled = DI::pConfig()->get(local_user(), 'mailstream', 'enabled');
|
|
$address = DI::pConfig()->get(local_user(), 'mailstream', 'address');
|
|
$nolikes = DI::pConfig()->get(local_user(), 'mailstream', 'nolikes');
|
|
$attachimg= DI::pConfig()->get(local_user(), 'mailstream', 'attachimg');
|
|
$template = Renderer::getMarkupTemplate('settings.tpl', 'addon/mailstream/');
|
|
$s .= Renderer::replaceMacros($template, [
|
|
'$enabled' => [
|
|
'mailstream_enabled',
|
|
DI::l10n()->t('Enabled'),
|
|
$enabled],
|
|
'$address' => [
|
|
'mailstream_address',
|
|
DI::l10n()->t('Email Address'),
|
|
$address,
|
|
DI::l10n()->t("Leave blank to use your account email address")],
|
|
'$nolikes' => [
|
|
'mailstream_nolikes',
|
|
DI::l10n()->t('Exclude Likes'),
|
|
$nolikes,
|
|
DI::l10n()->t("Check this to omit mailing \"Like\" notifications")],
|
|
'$attachimg' => [
|
|
'mailstream_attachimg',
|
|
DI::l10n()->t('Attach Images'),
|
|
$attachimg,
|
|
DI::l10n()->t("Download images in posts and attach them to the email. " .
|
|
"Useful for reading email while offline.")],
|
|
'$title' => DI::l10n()->t('Mail Stream Settings'),
|
|
'$submit' => DI::l10n()->t('Save Settings')]);
|
|
}
|
|
|
|
/**
|
|
* Process data submitted to user's mailstream features form
|
|
*/
|
|
function mailstream_addon_settings_post()
|
|
{
|
|
if ($_POST['mailstream_address'] != "") {
|
|
DI::pConfig()->set(local_user(), 'mailstream', 'address', $_POST['mailstream_address']);
|
|
} else {
|
|
DI::pConfig()->delete(local_user(), 'mailstream', 'address');
|
|
}
|
|
if ($_POST['mailstream_nolikes']) {
|
|
DI::pConfig()->set(local_user(), 'mailstream', 'nolikes', $_POST['mailstream_enabled']);
|
|
} else {
|
|
DI::pConfig()->delete(local_user(), 'mailstream', 'nolikes');
|
|
}
|
|
if ($_POST['mailstream_enabled']) {
|
|
DI::pConfig()->set(local_user(), 'mailstream', 'enabled', $_POST['mailstream_enabled']);
|
|
} else {
|
|
DI::pConfig()->delete(local_user(), 'mailstream', 'enabled');
|
|
}
|
|
if ($_POST['mailstream_attachimg']) {
|
|
DI::pConfig()->set(local_user(), 'mailstream', 'attachimg', $_POST['mailstream_attachimg']);
|
|
} else {
|
|
DI::pConfig()->delete(local_user(), 'mailstream', 'attachimg');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deletes records from the mailstream_item table older than one year
|
|
*/
|
|
function mailstream_tidy()
|
|
{
|
|
$query = <<< EOT
|
|
SELECT
|
|
id
|
|
FROM
|
|
mailstream_item
|
|
WHERE
|
|
completed IS NOT NULL AND
|
|
completed < DATE_SUB(NOW(), INTERVAL 1 YEAR)
|
|
|
|
EOT;
|
|
$r = q($query);
|
|
foreach ($r as $rr) {
|
|
q('DELETE FROM mailstream_item WHERE id = %d', intval($rr['id']));
|
|
}
|
|
Logger::debug('mailstream_tidy: deleted ' . count($r) . ' old items');
|
|
}
|