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<?php
namespace Zotlabs\Module; /** @file */

use Zotlabs\Lib\Libzot;

require_once('include/acl_selectors.php');
require_once('include/crypto.php');
require_once('include/items.php');
require_once('include/taxonomy.php');
require_once('include/conversation.php');

/**
 * remote post
 *
 * https://yoursite/rpost?f=&title=&body=&remote_return=
 *
 * This can be called via either GET or POST, use POST for long body content as suhosin often limits GET parameter length
 *
 * f= placeholder, often required
 * title= Title of post
 * body= Body of post
 * url= URL which will be parsed and the results appended to the body
 * source= Source application
 * post_id= post_id of post to 'share' (local use only)
 * remote_return= absolute URL to return after posting is finished
 * type= choices are 'html' or 'bbcode', default is 'bbcode'
 *
 */




class Rpost extends \Zotlabs\Web\Controller {

	function get() {

		$o = '';

		if(! local_channel()) {
			if(remote_channel()) {
				// redirect to your own site.
				// We can only do this with a GET request so you'll need to keep the text short or risk getting truncated
				// by the wretched beast called 'suhosin'. All the browsers now allow long GET requests, but suhosin
				// blocks them.

				$url = Libzot::get_rpost_path(\App::get_observer());
				// make sure we're not looping to our own hub
				if(($url) && (! stristr($url, \App::get_hostname()))) {
					foreach($_GET as $key => $arg) {
						if($key === 'q')
							continue;
						$url .= '&' . $key . '=' . $arg;
					}
					goaway($url);
				}
			}

			// The login procedure is going to bugger our $_REQUEST variables
			// so save them in the session.

			if(array_key_exists('body',$_REQUEST)) {
				$_SESSION['rpost'] = $_REQUEST;
			}
			return login();
		}

		nav_set_selected('Post');

		if (local_channel() && array_key_exists('userfile',$_FILES)) {

			$channel = App::get_channel();
			$observer = App::get_observer();

			$def_album  = get_pconfig($channel['channel_id'],'system','photo_path');
			$def_attach = get_pconfig($channel['channel_id'],'system','attach_path');

			$r = attach_store($channel, (($observer) ? $observer['xchan_hash'] : ''), '', [
				'source'    => 'editor',
				'visible'   => 0,
				'album'     => $def_album,
				'directory' => $def_attach,
				'flags'     => 1, // indicates temporary permissions are created
				'allow_cid' => '<' . $channel['channel_hash'] . '>'
			]);

			if (! $r['success']) {
				notice( $r['message'] . EOL);
			}

			$s = EMPTY_STR;

			if (intval($r['data']['is_photo'])) {
				$s .= "\n\n" . $r['body'] . "\n\n";
			}

			$url = z_root() . '/cloud/' . $channel['channel_address'] . '/' . $r['data']['display_path'];

			if (strpos($r['data']['filetype'],'video') === 0) {
				$s .= "\n\n" . '[zvideo]' . $url . '[/zvideo]' . "\n\n";
			}

			if (strpos($r['data']['filetype'],'audio') === 0) {
				$s .= "\n\n" . '[zaudio]' . $url . '[/zaudio]' . "\n\n";
			}

			if ($r['data']['filetype'] === 'image/svg+xml') {
				$x = @file_get_contents('store/' . $channel['channel_address'] . '/' . $r['data']['os_path']);
				if ($x) {
					$bb = svg2bb($x);
					if ($bb) {
						$s .= "\n\n" . $bb;
					}
					else {
						logger('empty return from svgbb');
					}
				}
				else {
					logger('unable to read svg data file: ' . 'store/' . $channel['channel_address'] . '/' . $r['data']['os_path']);
				}
			}

			if ($r['data']['filetype'] === 'text/calendar') {
				$content = @file_get_contents('store/' . $channel['channel_address'] . '/' . $r['data']['os_path']);
				if ($content) {
					$ev = ical_to_ev($content);
					if ($ev) {
						$s .= "\n\n" . format_event_bbcode($ev[0]) . "\n\n";
					}
				}
			}

			$s .=  "\n\n" . '[attachment]' . $r['data']['hash'] . ',' . $r['data']['revision'] . '[/attachment]' . "\n";
			$_REQUEST['body'] = ((array_key_exists('body',$_REQUEST)) ? $_REQUEST['body'] . $s : $s);
		}

		// If we have saved rpost session variables, but nothing in the current $_REQUEST, recover the saved variables

		if((! array_key_exists('body',$_REQUEST)) && (array_key_exists('rpost',$_SESSION))) {
			$_REQUEST = $_SESSION['rpost'];
			unset($_SESSION['rpost']);
		}

		if(array_key_exists('channel',$_REQUEST)) {
			$r = q("select channel_id from channel where channel_account_id = %d and channel_address = '%s' limit 1",
				intval(get_account_id()),
				dbesc($_REQUEST['channel'])
			);
			if($r) {
				require_once('include/security.php');
				$change = change_channel($r[0]['channel_id']);
			}
		}

		if(isset($_REQUEST['remote_return']) && $_REQUEST['remote_return']) {
			$_SESSION['remote_return'] = $_REQUEST['remote_return'];
		}
		if(argc() > 1 && argv(1) === 'return') {
			if($_SESSION['remote_return'])
				goaway($_SESSION['remote_return']);
			goaway(z_root() . '/network');
		}

		$plaintext = true;

		if(isset($_REQUEST['type']) && $_REQUEST['type'] === 'html') {
			require_once('include/html2bbcode.php');
			$_REQUEST['body'] = html2bbcode($_REQUEST['body']);
		}

		$channel = \App::get_channel();

		$acl = new \Zotlabs\Access\AccessList($channel);
		$channel_acl = $acl->get();

		if(isset($_REQUEST['url']) && $_REQUEST['url']) {
			$x = z_fetch_url(z_root() . '/linkinfo?f=&url=' . urlencode($_REQUEST['url']));
			if($x['success'])
				$_REQUEST['body'] = $_REQUEST['body'] . $x['body'];
		}

		if(isset($_REQUEST['post_id']) && $_REQUEST['post_id']) {
			$_REQUEST['body'] .= '[share=' . intval($_REQUEST['post_id']) . '][/share]';
		}

		$x = array(
			'is_owner'            => true,
			'allow_location'      => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
			'default_location'    => $channel['channel_location'],
			'nickname'            => $channel['channel_address'],
			'lockstate'           => (($acl->is_private()) ? 'lock' : 'unlock'),
			'acl'                 => populate_acl($channel_acl, true, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream'), get_post_aclDialogDescription(), 'acl_dialog_post'),
			'permissions'         => $channel_acl,
			'bang'                => '',
			'visitor'             => true,
			'profile_uid'         => local_channel(),
			'title'               => $_REQUEST['title'] ?? '',
			'body'                => $_REQUEST['body'] ?? '',
			'attachment'          => $_REQUEST['attachment'] ?? '',
			'source'              => ((x($_REQUEST,'source')) ? strip_tags($_REQUEST['source']) : ''),
			'return_path'         => 'rpost/return',
			'bbco_autocomplete'   => 'bbcode',
			'editor_autocomplete' => true,
			'bbcode'              => true,
			'jotnets'             => true
		);

		$a = '';
		$editor = status_editor($a,$x,false,'Rpost');

		$o .= replace_macros(get_markup_template('edpost_head.tpl'), array(
			'$title' => t('Edit post'),
			'$cancel' => '',
			'$editor' => $editor
		));

		return $o;

	}



}