friendica-addons/wppost/wppost.php

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<?php
/**
* Name: WordPress Post Connector
* Description: Post to WordPress (or anything else which uses blogger XMLRPC API)
* Version: 1.1
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
*/
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Item;
use Friendica\Model\Post;
use Friendica\Model\User;
use Friendica\Util\XML;
function wppost_install()
{
Hook::register('hook_fork', 'addon/wppost/wppost.php', 'wppost_hook_fork');
Hook::register('post_local', 'addon/wppost/wppost.php', 'wppost_post_local');
Hook::register('notifier_normal', 'addon/wppost/wppost.php', 'wppost_send');
Hook::register('jot_networks', 'addon/wppost/wppost.php', 'wppost_jot_nets');
Hook::register('connector_settings', 'addon/wppost/wppost.php', 'wppost_settings');
Hook::register('connector_settings_post', 'addon/wppost/wppost.php', 'wppost_settings_post');
}
function wppost_jot_nets(array &$jotnets_fields)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post')) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'wppost_enable',
DI::l10n()->t('Post to Wordpress'),
DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default')
]
];
}
}
function wppost_settings(array &$data)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
$enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post', false);
$wp_username = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_username');
$wp_blog = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_blog');
$def_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default', false);
$back_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'backlink', false);
$wp_backlink_text = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_backlink_text');
$shortcheck_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'shortcheck', false);
$t = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/wppost/');
$html = Renderer::replaceMacros($t, [
'$enabled' => ['wppost', DI::l10n()->t('Enable Wordpress Post Addon'), $enabled],
'$username' => ['wp_username', DI::l10n()->t('Wordpress username'), $wp_username],
'$password' => ['wp_password', DI::l10n()->t('Wordpress password')],
'$blog' => ['wp_blog', DI::l10n()->t('WordPress API URL'), $wp_blog],
'$bydefault' => ['wp_bydefault', DI::l10n()->t('Post to Wordpress by default'), $def_enabled],
'$backlink' => ['wp_backlink', DI::l10n()->t('Provide a backlink to the Friendica post'), $back_enabled],
'$backlink_text' => ['wp_backlink_text', DI::l10n()->t('Text for the backlink, e.g. Read the original post and comment stream on Friendica.'), $wp_backlink_text],
'$shortcheck' => ['wp_shortcheck', DI::l10n()->t('Don\'t post messages that are too short'), $shortcheck_enabled],
]);
$data = [
'connector' => 'wppost',
'title' => DI::l10n()->t('Wordpress Export'),
'image' => 'images/wordpress.png',
'enabled' => $enabled,
'html' => $html,
];
}
function wppost_settings_post(array &$b)
{
if (!empty($_POST['wppost-submit'])) {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'post', intval($_POST['wppost']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default', intval($_POST['wp_bydefault']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_username', trim($_POST['wp_username']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_password', trim($_POST['wp_password']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_blog', trim($_POST['wp_blog']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'backlink', intval($_POST['wp_backlink']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'shortcheck', intval($_POST['wp_shortcheck']));
$wp_backlink_text = BBCode::convertForUriId(User::getSystemUriId(), trim($_POST['wp_backlink_text']), BBCode::BACKLINK);
$wp_backlink_text = HTML::toPlaintext($wp_backlink_text, 0, true);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_backlink_text', $wp_backlink_text);
}
}
function wppost_hook_fork(array &$b)
{
if ($b['name'] != 'notifier_normal') {
return;
}
$post = $b['data'];
if (
$post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
!strstr($post['postopts'] ?? '', 'wppost') || ($post['parent'] != $post['id'])
) {
$b['execute'] = false;
return;
}
}
function wppost_post_local(array &$b)
{
// This can probably be changed to allow editing by pointing to a different API endpoint
if ($b['edit']) {
return;
}
if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['private'] || $b['parent']) {
return;
}
$wp_post = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post'));
$wp_enable = (($wp_post && !empty($_REQUEST['wppost_enable'])) ? intval($_REQUEST['wppost_enable']) : 0);
if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default'))) {
$wp_enable = 1;
}
if (!$wp_enable) {
return;
}
if (strlen($b['postopts'])) {
$b['postopts'] .= ',';
}
$b['postopts'] .= 'wppost';
}
function wppost_send(array &$b)
{
if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
return;
}
if (!strstr($b['postopts'], 'wppost')) {
return;
}
if ($b['gravity'] != Item::GRAVITY_PARENT) {
return;
}
// Dont't post if the post doesn't belong to us.
// This is a check for group postings
$self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
if ($b['contact-id'] != $self['id']) {
return;
}
$b['body'] = Post\Media::addAttachmentsToBody($b['uri-id'], DI::contentItem()->addSharedPost($b));
$wp_username = XML::escape(DI::pConfig()->get($b['uid'], 'wppost', 'wp_username'));
$wp_password = XML::escape(DI::pConfig()->get($b['uid'], 'wppost', 'wp_password'));
$wp_blog = DI::pConfig()->get($b['uid'], 'wppost', 'wp_blog');
$wp_backlink_text = DI::pConfig()->get($b['uid'], 'wppost', 'wp_backlink_text');
if ($wp_backlink_text == '') {
$wp_backlink_text = DI::l10n()->t('Read the orig­i­nal post and com­ment stream on Friendica');
}
if ($wp_username && $wp_password && $wp_blog) {
$wptitle = trim($b['title']);
if (intval(DI::pConfig()->get($b['uid'], 'wppost', 'shortcheck'))) {
// Checking, if its a post that is worth a blog post
$postentry = (bool)Post\Media::getByURIId($b['uri-id'], [Post\Media::HTML, Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE]);
// Does it have a title?
if ($wptitle != "") {
$postentry = true;
}
// Is it larger than 500 characters?
if (strlen($b['body']) > 500) {
$postentry = true;
}
if (!$postentry) {
return;
}
}
// If the title is empty then try to guess
if ($wptitle == '') {
// Fetch information about the post
$media = Post\Media::getByURIId($b['uri-id'], [Post\Media::HTML]);
if (!empty($media) && !empty($media[0]['name']) && ($media[0]['name'] != $media[0]['url'])) {
$wptitle = $media[0]['name'];
}
// If no bookmark is found then take the first line
if ($wptitle == '') {
// Remove the share element before fetching the first line
$title = trim(preg_replace("/\[share.*?\](.*?)\[\/share\]/ism", "\n$1\n", $b['body']));
$title = BBCode::toPlaintext($title) . "\n";
$pos = strpos($title, "\n");
$trailer = "";
if (($pos == 0) || ($pos > 100)) {
$pos = 100;
$trailer = "...";
}
$wptitle = substr($title, 0, $pos) . $trailer;
}
}
$title = '<title>' . (($wptitle) ? $wptitle : DI::l10n()->t('Post from Friendica')) . '</title>';
$post = BBCode::convertForUriId($b['uri-id'], $b['body'], BBCode::CONNECTORS);
// If a link goes to youtube then remove the stuff around it. Wordpress detects youtube links and embeds it
$post = preg_replace('/<a.*?href="(https?:\/\/www.youtube.com\/.*?)".*?>(.*?)<\/a>/ism', "\n$1\n", $post);
$post = preg_replace('/<a.*?href="(https?:\/\/youtu.be\/.*?)".*?>(.*?)<\/a>/ism', "\n$1\n", $post);
$post = $title . $post;
$wp_backlink = intval(DI::pConfig()->get($b['uid'], 'wppost', 'backlink'));
if ($wp_backlink && $b['plink']) {
$post .= '<p><a href="' . $b['plink'] . '">' . $wp_backlink_text . '</a></p>';
}
$post = XML::escape($post);
$xml = <<< EOT
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<methodCall>
<methodName>blogger.newPost</methodName>
<params>
<param><value><string/></value></param>
<param><value><string/></value></param>
<param><value><string>$wp_username</string></value></param>
<param><value><string>$wp_password</string></value></param>
<param><value><string>$post</string></value></param>
<param><value><int>1</int></value></param>
</params>
</methodCall>
EOT;
Logger::debug('wppost: data: ' . $xml);
if ($wp_blog !== 'test') {
$x = DI::httpClient()->post($wp_blog, $xml)->getBodyString();
}
Logger::info('posted to wordpress: ' . (($x) ? $x : ''));
}
}