friendica-addons/libertree/libertree.php

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<?php
/**
* Name: Libertree Post Connector
* Description: Post to libertree accounts
* Version: 1.0
* Author: Tony Baldwin <https://free-haven.org/u/tony>
*/
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use Friendica\App;
use Friendica\Content\Text\BBCode;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Post;
function libertree_install()
{
Hook::register('hook_fork', 'addon/libertree/libertree.php', 'libertree_hook_fork');
Hook::register('post_local', 'addon/libertree/libertree.php', 'libertree_post_local');
Hook::register('notifier_normal', 'addon/libertree/libertree.php', 'libertree_send');
Hook::register('jot_networks', 'addon/libertree/libertree.php', 'libertree_jot_nets');
Hook::register('connector_settings', 'addon/libertree/libertree.php', 'libertree_settings');
Hook::register('connector_settings_post', 'addon/libertree/libertree.php', 'libertree_settings_post');
}
function libertree_jot_nets(array &$jotnets_fields)
{
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if (!DI::userSession()->getLocalUserId()) {
return;
}
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if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'post')) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'libertree_enable',
DI::l10n()->t('Post to libertree'),
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DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'post_by_default'),
],
];
}
}
function libertree_settings(array &$data)
{
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if (!DI::userSession()->getLocalUserId()) {
return;
}
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$enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'post', false);
$ltree_api_token = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'libertree_api_token');
$ltree_url = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'libertree_url');
$def_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'libertree', 'post_by_default');
$t = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/libertree/');
$html = Renderer::replaceMacros($t, [
'$enabled' => ['libertree', DI::l10n()->t('Enable Libertree Post Addon'), $enabled],
'$ltree_url' => ['libertree_url', DI::l10n()->t('Libertree site URL'), $ltree_url],
'$ltree_api_token' => ['libertree_api_token', DI::l10n()->t('Libertree API token'), $ltree_api_token],
'$bydefault' => ['ij_bydefault', DI::l10n()->t('Post to Libertree by default'), $def_enabled],
]);
$data = [
'connector' => 'libertree',
'title' => DI::l10n()->t('Libertree Export'),
'image' => 'images/libertree.png',
'enabled' => $enabled,
'html' => $html,
];
}
function libertree_settings_post(array &$b)
{
if (!empty($_POST['libertree-submit'])) {
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DI::pConfig()->set(DI::userSession()->getLocalUserId(),'libertree','post',intval($_POST['libertree']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(),'libertree','post_by_default',intval($_POST['libertree_bydefault']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(),'libertree','libertree_api_token',trim($_POST['libertree_api_token']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(),'libertree','libertree_url',trim($_POST['libertree_url']));
}
}
function libertree_hook_fork(array &$b)
{
if ($b['name'] != 'notifier_normal') {
return;
}
$post = $b['data'];
if ($post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
!strstr($post['postopts'], 'libertree') || ($post['parent'] != $post['id'])) {
$b['execute'] = false;
return;
}
}
function libertree_post_local(array &$b)
{
// This can probably be changed to allow editing by pointing to a different API endpoint
if ($b['edit']) {
return;
}
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if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['private'] || $b['parent']) {
return;
}
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$ltree_post = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(),'libertree','post'));
$ltree_enable = (($ltree_post && !empty($_REQUEST['libertree_enable'])) ? intval($_REQUEST['libertree_enable']) : 0);
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if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(),'libertree','post_by_default'))) {
$ltree_enable = 1;
}
if (!$ltree_enable) {
return;
}
if (strlen($b['postopts'])) {
$b['postopts'] .= ',';
}
$b['postopts'] .= 'libertree';
}
function libertree_send(array &$b)
{
Logger::notice('libertree_send: invoked');
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if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
return;
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}
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if (! strstr($b['postopts'],'libertree')) {
return;
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}
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if ($b['parent'] != $b['id']) {
return;
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}
// 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'] != $self['id']) {
return;
}
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$b['body'] = Post\Media::addAttachmentsToBody($b['uri-id'], DI::contentItem()->addSharedPost($b));
$ltree_api_token = DI::pConfig()->get($b['uid'],'libertree','libertree_api_token');
$ltree_url = DI::pConfig()->get($b['uid'],'libertree','libertree_url');
$ltree_blog = "$ltree_url/api/v1/posts/create/?token=$ltree_api_token";
$ltree_source = DI::baseUrl()->getHost();
if ($b['app'] != "")
$ltree_source .= " (".$b['app'].")";
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if($ltree_url && $ltree_api_token && $ltree_blog && $ltree_source) {
$title = $b['title'];
$body = $b['body'];
// Insert a newline before and after a quote
$body = str_ireplace("[quote", "\n\n[quote", $body);
$body = str_ireplace("[/quote]", "[/quote]\n\n", $body);
// Removal of tags and mentions
// #-tags
$body = preg_replace('/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $body);
// @-mentions
$body = preg_replace('/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $body);
// remove multiple newlines
do {
$oldbody = $body;
$body = str_replace("\n\n\n", "\n\n", $body);
} while ($oldbody != $body);
// convert to markdown
$body = BBCode::toMarkdown($body, false);
// Adding the title
if (strlen($title)) {
$body = '## ' . html_entity_decode($title) . "\n\n" . $body;
}
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$params = [
'text' => $body,
'source' => $ltree_source
// 'token' => $ltree_api_token
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];
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$result = DI::httpClient()->post($ltree_blog, $params)->getBodyString();
Logger::notice('libertree: ' . $result);
}
}