mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-25 17:23:16 +00:00
dd7f343d43
- Now that each addon form is in their own form tag, we have to check whether the addon submit button was pressed. - This was already done in every other addon but mailstream and this change will prevent unexpected loss of mailstream settings when saving any other addon settings.
553 lines
17 KiB
PHP
553 lines
17 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: 2.0
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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\Core\Worker;
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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\Model\User;
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use Friendica\Protocol\Activity;
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use Friendica\Util\DateTimeFormat;
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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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Hook::register('mailstream_send_hook', 'addon/mailstream/mailstream.php', 'mailstream_send_hook');
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Logger::info("mailstream: installed");
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}
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/**
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* Enforces that mailstream_install has set up the current version
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*/
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function mailstream_check_version()
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{
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if (!is_null(DI::config()->get('mailstream', 'dbversion'))) {
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DI::config()->delete('mailstream', 'dbversion');
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Logger::info("mailstream_check_version: old version detected, reinstalling");
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mailstream_install();
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Hook::loadHooks();
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Hook::add(
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'mailstream_convert_table_entries',
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'addon/mailstream/mailstream.php',
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'mailstream_convert_table_entries'
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);
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Hook::fork(PRIORITY_LOW, 'mailstream_convert_table_entries');
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}
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}
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/**
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* This function 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 $message_id;
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}
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function mailstream_send_hook(&$a, $data)
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{
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$criteria = array('uid' => $data['uid'], 'contact-id' => $data['contact-id'], 'uri' => $data['uri']);
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$item = Post::selectFirst([], $criteria);
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if (empty($item)) {
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Logger::error('mailstream_send_hook could not find item');
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return;
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}
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$user = User::getById($item['uid']);
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if (empty($user)) {
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Logger::error('mailstream_send_hook could not fund user', ['uid' => $item['uid']]);
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return;
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}
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if (!mailstream_send($data['message_id'], $item, $user)) {
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Logger::debug('mailstream_send_hook send failed, will retry', $data);
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if (!Worker::defer()) {
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Logger::error('mailstream_send_hook failed and could not defer', $data);
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}
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}
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}
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/**
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* Called when either a local or remote post is created. If
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* mailstream is enabled and the necessary data is available, forks a
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* workerqueue item to send the email.
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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, &$item)
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{
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mailstream_check_version();
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if (!DI::pConfig()->get($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($item['uri']);
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$send_hook_data = array('uid' => $item['uid'],
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'contact-id' => $item['contact-id'],
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'uri' => $item['uri'],
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'message_id' => $message_id,
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'tries' => 0);
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Hook::fork(PRIORITY_LOW, 'mailstream_send_hook', $send_hook_data);
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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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['id' => $item['id'],
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'plink' => $item['plink'],
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'contact id' => $item['contact-id'],
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'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 $user results from the user table
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*
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* @return bool True if this message has been completed. False if it should be retried.
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*/
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function mailstream_send($message_id, $item, $user)
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{
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if (!is_array($item)) {
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Logger::error('mailstream_send item is empty', ['message_id' => $message_id]);
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return;
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}
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if (!$item['visible']) {
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Logger::debug('mailstream_send item not yet visible', ['item uri' => $item['uri']]);
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return false;
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}
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if (!$message_id) {
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Logger::error('mailstream_send no message ID supplied', ['item uri' => $item['uri'],
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'user email' => $user['email']]);
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return true;
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}
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require_once(dirname(__file__).'/phpmailer/class.phpmailer.php');
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$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', ['message ID' => $mail->MessageID,
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'subject' => $mail->Subject,
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'address' => $address]);
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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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return true;
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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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* Convert v1 mailstream table entries to v2 workerqueue items
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*/
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function mailstream_convert_table_entries()
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{
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$query = <<< EOT
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SELECT
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`message-id`,
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`uri`,
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`uid`,
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`contact-id`
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FROM
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`mailstream_item`
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WHERE
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`mailstream_item`.`completed` IS NULL
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EOT;
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$ms_item_ids = q($query);
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if (DBA::isResult($ms_item_ids)) {
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Logger::debug('mailstream_convert_table_entries processing ' . count($ms_item_ids) . ' items');
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foreach ($ms_item_ids as $ms_item_id) {
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$send_hook_data = array('uid' => $ms_item_id['uid'],
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'contact-id' => $ms_item_id['contact-id'],
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'uri' => $ms_item_id['uri'],
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'message_id' => $ms_item_id['message-id'],
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'tries' => 0);
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if (!$ms_item_id['message-id'] || !strlen($ms_item_id['message-id'])) {
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Logger::info('mailstream_cron: Item ' .
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$ms_item_id['id'] . ' URI ' . $ms_item_id['uri'] . ' has no message-id');
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continue;
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}
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Logger::info('mailstream_convert_table_entries: convert item to workerqueue', $send_hook_data);
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Hook::fork(PRIORITY_LOW, 'mailstream_send_hook', $send_hook_data);
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}
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}
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q('DROP TABLE `mailstream_item`');
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}
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/**
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* Form for configuring mailstream features for a user
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*
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* @param Friendica\App $a App object
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* @param string $o HTML form data
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*/
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function mailstream_addon_settings(&$a, &$s)
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{
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$enabled = DI::pConfig()->get(local_user(), 'mailstream', 'enabled');
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$address = DI::pConfig()->get(local_user(), 'mailstream', 'address');
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$nolikes = DI::pConfig()->get(local_user(), 'mailstream', 'nolikes');
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$attachimg= DI::pConfig()->get(local_user(), 'mailstream', 'attachimg');
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$template = Renderer::getMarkupTemplate('settings.tpl', 'addon/mailstream/');
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$s .= Renderer::replaceMacros($template, [
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'$enabled' => [
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'mailstream_enabled',
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DI::l10n()->t('Enabled'),
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$enabled
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],
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'$address' => [
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'mailstream_address',
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DI::l10n()->t('Email Address'),
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$address,
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DI::l10n()->t("Leave blank to use your account email address")
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],
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'$nolikes' => [
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'mailstream_nolikes',
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DI::l10n()->t('Exclude Likes'),
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$nolikes,
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DI::l10n()->t("Check this to omit mailing \"Like\" notifications")
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],
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'$attachimg' => [
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'mailstream_attachimg',
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DI::l10n()->t('Attach Images'),
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$attachimg,
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DI::l10n()->t("Download images in posts and attach them to the email. " .
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"Useful for reading email while offline.")
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],
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'$title' => DI::l10n()->t('Mail Stream Settings'),
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'$submit' => DI::l10n()->t('Save Settings')]);
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}
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/**
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* Process data submitted to user's mailstream features form
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* @param \Friendica\App $a
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* @param array $post POST data
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*/
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function mailstream_addon_settings_post(\Friendica\App $a, array $post)
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{
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if (!local_user() || empty($post['mailstream-submit'])) {
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return;
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}
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if ($post['mailstream_address'] != "") {
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DI::pConfig()->set(local_user(), 'mailstream', 'address', $post['mailstream_address']);
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} else {
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DI::pConfig()->delete(local_user(), 'mailstream', 'address');
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}
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if ($post['mailstream_nolikes']) {
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DI::pConfig()->set(local_user(), 'mailstream', 'nolikes', $post['mailstream_enabled']);
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} else {
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DI::pConfig()->delete(local_user(), 'mailstream', 'nolikes');
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}
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if ($post['mailstream_enabled']) {
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DI::pConfig()->set(local_user(), 'mailstream', 'enabled', $post['mailstream_enabled']);
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} else {
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DI::pConfig()->delete(local_user(), 'mailstream', 'enabled');
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}
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if ($post['mailstream_attachimg']) {
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DI::pConfig()->set(local_user(), 'mailstream', 'attachimg', $post['mailstream_attachimg']);
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} else {
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DI::pConfig()->delete(local_user(), 'mailstream', 'attachimg');
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}
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}
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