653 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			653 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * @copyright Copyright (C) 2020, Friendica
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|  *
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|  * @license GNU AGPL version 3 or any later version
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as
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|  * published by the Free Software Foundation, either version 3 of the
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|  * License, or (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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|  *
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|  *Handles communication associated with the issuance of friend requests.
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|  *
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|  * @see PDF with dfrn specs: https://github.com/friendica/friendica/blob/stable/spec/dfrn2.pdf
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|  *    You also find a graphic which describes the confirmation process at
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|  *    https://github.com/friendica/friendica/blob/stable/spec/dfrn2_contact_request.png
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|  */
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| 
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| use Friendica\App;
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| use Friendica\Core\Logger;
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| use Friendica\Core\Protocol;
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| use Friendica\Core\Renderer;
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| use Friendica\Core\Search;
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| use Friendica\Core\Session;
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| use Friendica\Core\System;
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| use Friendica\Database\DBA;
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| use Friendica\DI;
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| use Friendica\Model\Contact;
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| use Friendica\Model\Group;
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| use Friendica\Model\Notification;
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| use Friendica\Model\Profile;
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| use Friendica\Model\User;
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| use Friendica\Module\Security\Login;
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| use Friendica\Network\Probe;
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| use Friendica\Protocol\Activity;
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| use Friendica\Util\DateTimeFormat;
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| use Friendica\Util\Network;
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| use Friendica\Util\Strings;
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| 
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| function dfrn_request_init(App $a)
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| {
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| 	if ($a->argc > 1) {
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| 		$which = $a->argv[1];
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| 		Profile::load($a, $which);
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| 	}
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| 
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| 	return;
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| }
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| 
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| /**
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|  * Function: dfrn_request_post
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|  *
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|  * Purpose:
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|  * Handles multiple scenarios.
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|  *
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|  * Scenario 1:
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|  * Clicking 'submit' on a friend request page.
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|  *
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|  * Scenario 2:
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|  * Following Scenario 1, we are brought back to our home site
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|  * in order to link our friend request with our own server cell.
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|  * After logging in, we click 'submit' to approve the linkage.
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|  *
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|  * @param App $a
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|  * @throws ImagickException
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|  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
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|  */
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| function dfrn_request_post(App $a)
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| {
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| 	if ($a->argc != 2 || empty($a->profile)) {
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| 		Logger::log('Wrong count of argc or profiles: argc=' . $a->argc . ', profile()=' . count($a->profile ?? []));
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| 		return;
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| 	}
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| 
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| 	if (!empty($_POST['cancel'])) {
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| 		DI::baseUrl()->redirect();
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| 	}
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| 
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| 	/*
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| 	 * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell
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| 	 * to confirm the request, and then we've clicked submit (perhaps after logging in).
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| 	 * That brings us here:
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| 	 */
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| 	if (!empty($_POST['localconfirm']) && ($_POST['localconfirm'] == 1)) {
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| 		// Ensure this is a valid request
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| 		if (local_user() && ($a->user['nickname'] == $a->argv[1]) && !empty($_POST['dfrn_url'])) {
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| 			$dfrn_url    = Strings::escapeTags(trim($_POST['dfrn_url']));
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| 			$aes_allow   = !empty($_POST['aes_allow']);
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| 			$confirm_key = $_POST['confirm_key'] ?? '';
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| 			$hidden      = (!empty($_POST['hidden-contact']) ? intval($_POST['hidden-contact']) : 0);
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| 			$contact_record = null;
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| 			$blocked     = 1;
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| 			$pending     = 1;
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| 
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| 			if (!empty($dfrn_url)) {
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| 				// Lookup the contact based on their URL (which is the only unique thing we have at the moment)
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| 				$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND NOT `self` LIMIT 1",
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| 					intval(local_user()),
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| 					DBA::escape(Strings::normaliseLink($dfrn_url))
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| 				);
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| 
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| 				if (DBA::isResult($r)) {
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| 					if (strlen($r[0]['dfrn-id'])) {
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| 						// We don't need to be here. It has already happened.
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| 						notice(DI::l10n()->t("This introduction has already been accepted."));
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| 						return;
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| 					} else {
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| 						$contact_record = $r[0];
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| 					}
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| 				}
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| 
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| 				if (is_array($contact_record)) {
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| 					$r = q("UPDATE `contact` SET `ret-aes` = %d, hidden = %d WHERE `id` = %d",
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| 						intval($aes_allow),
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| 						intval($hidden),
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| 						intval($contact_record['id'])
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| 					);
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| 				} else {
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| 					// Scrape the other site's profile page to pick up the dfrn links, key, fn, and photo
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| 					$parms = Probe::profile($dfrn_url);
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| 
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| 					if (!count($parms)) {
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| 						notice(DI::l10n()->t('Profile location is not valid or does not contain profile information.'));
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| 						return;
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| 					} else {
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| 						if (empty($parms['fn'])) {
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| 							notice(DI::l10n()->t('Warning: profile location has no identifiable owner name.'));
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| 						}
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| 						if (empty($parms['photo'])) {
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| 							notice(DI::l10n()->t('Warning: profile location has no profile photo.'));
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| 						}
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| 						$invalid = Probe::validDfrn($parms);
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| 						if ($invalid) {
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| 							notice(DI::l10n()->tt("%d required parameter was not found at the given location", "%d required parameters were not found at the given location", $invalid));
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| 							return;
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| 						}
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| 					}
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| 
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| 					$dfrn_request = $parms['dfrn-request'];
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| 
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| 					$photo = $parms["photo"];
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| 
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| 					// Escape the entire array
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| 					DBA::escapeArray($parms);
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| 
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| 					// Create a contact record on our site for the other person
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| 					$r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `nurl`, `addr`, `name`, `nick`, `photo`, `site-pubkey`,
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| 						`request`, `confirm`, `notify`, `poll`, `network`, `aes_allow`, `hidden`, `blocked`, `pending`)
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| 						VALUES ( %d, '%s', '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d)",
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| 						intval(local_user()),
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| 						DateTimeFormat::utcNow(),
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| 						DBA::escape($dfrn_url),
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| 						DBA::escape(Strings::normaliseLink($dfrn_url)),
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| 						$parms['addr'],
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| 						$parms['fn'],
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| 						$parms['nick'],
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| 						$parms['photo'],
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| 						$parms['key'],
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| 						$parms['dfrn-request'],
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| 						$parms['dfrn-confirm'],
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| 						$parms['dfrn-notify'],
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| 						$parms['dfrn-poll'],
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| 						DBA::escape(Protocol::DFRN),
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| 						intval($aes_allow),
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| 						intval($hidden),
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| 						intval($blocked),
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| 						intval($pending)
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| 					);
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| 				}
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| 
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| 				if ($r) {
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| 					info(DI::l10n()->t("Introduction complete."));
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| 				}
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| 
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| 				$r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `site-pubkey` = '%s' LIMIT 1",
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| 					intval(local_user()),
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| 					DBA::escape($dfrn_url),
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| 					$parms['key'] ?? '' // Potentially missing
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| 				);
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| 				if (DBA::isResult($r)) {
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| 					Group::addMember(User::getDefaultGroup(local_user(), $r[0]["network"]), $r[0]['id']);
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| 
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| 					if (isset($photo)) {
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| 						Contact::updateAvatar($r[0]["id"], $photo, true);
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| 					}
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| 
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| 					$forward_path = "contact/" . $r[0]['id'];
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| 				} else {
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| 					$forward_path = "contact";
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| 				}
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| 
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| 				// Allow the blocked remote notification to complete
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| 				if (is_array($contact_record)) {
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| 					$dfrn_request = $contact_record['request'];
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| 				}
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| 
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| 				if (!empty($dfrn_request) && strlen($confirm_key)) {
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| 					DI::httpRequest()->fetch($dfrn_request . '?confirm_key=' . $confirm_key);
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| 				}
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| 
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| 				// (ignore reply, nothing we can do it failed)
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| 				DI::baseUrl()->redirect($forward_path);
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| 				return; // NOTREACHED
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| 			}
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| 		}
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| 
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| 		// invalid/bogus request
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| 		notice(DI::l10n()->t('Unrecoverable protocol error.'));
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| 		DI::baseUrl()->redirect();
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| 		return; // NOTREACHED
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| 	}
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| 
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| 	/*
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| 	 * Otherwise:
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| 	 *
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| 	 * Scenario 1:
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| 	 * We are the requestee. A person from a remote cell has made an introduction
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| 	 * on our profile web page and clicked submit. We will use their DFRN-URL to
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| 	 * figure out how to contact their cell.
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| 	 *
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| 	 * Scrape the originating DFRN-URL for everything we need. Create a contact record
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| 	 * and an introduction to show our user next time he/she logs in.
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| 	 * Finally redirect back to the requestor so that their site can record the request.
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| 	 * If our user (the requestee) later confirms this request, a record of it will need
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| 	 * to exist on the requestor's cell in order for the confirmation process to complete..
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| 	 *
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| 	 * It's possible that neither the requestor or the requestee are logged in at the moment,
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| 	 * and the requestor does not yet have any credentials to the requestee profile.
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| 	 *
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| 	 * Who is the requestee? We've already loaded their profile which means their nickname should be
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| 	 * in $a->argv[1] and we should have their complete info in $a->profile.
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| 	 *
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| 	 */
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| 	if (empty($a->profile['uid'])) {
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| 		notice(DI::l10n()->t('Profile unavailable.'));
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| 		return;
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| 	}
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| 
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| 	$nickname       = $a->profile['nickname'];
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| 	$uid            = $a->profile['uid'];
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| 	$maxreq         = intval($a->profile['maxreq']);
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| 	$contact_record = null;
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| 	$failed         = false;
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| 	$parms          = null;
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| 	$blocked = 1;
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| 	$pending = 1;
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| 
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| 	if (!empty($_POST['dfrn_url'])) {
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| 		// Block friend request spam
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| 		if ($maxreq) {
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| 			$r = q("SELECT * FROM `intro` WHERE `datetime` > '%s' AND `uid` = %d",
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| 				DBA::escape(DateTimeFormat::utc('now - 24 hours')),
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| 				intval($uid)
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| 			);
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| 			if (DBA::isResult($r) && count($r) > $maxreq) {
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| 				notice(DI::l10n()->t('%s has received too many connection requests today.', $a->profile['name']));
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| 				notice(DI::l10n()->t('Spam protection measures have been invoked.'));
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| 				notice(DI::l10n()->t('Friends are advised to please try again in 24 hours.'));
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| 				return;
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| 			}
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| 		}
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| 
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| 		/* Cleanup old introductions that remain blocked.
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| 		 * Also remove the contact record, but only if there is no existing relationship
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| 		 */
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| 		$r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
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| 			FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
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| 			WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0
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| 			AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE "
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| 		);
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| 		if (DBA::isResult($r)) {
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| 			foreach ($r as $rr) {
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| 				if (!$rr['rel']) {
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| 					DBA::delete('contact', ['id' => $rr['cid'], 'self' => false]);
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| 				}
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| 				DBA::delete('intro', ['id' => $rr['iid']]);
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| 			}
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| 		}
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| 
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| 		$url = trim($_POST['dfrn_url']);
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| 		if (!strlen($url)) {
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| 			notice(DI::l10n()->t("Invalid locator"));
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| 			return;
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| 		}
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| 
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| 		$hcard = '';
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| 
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| 		// Detect the network
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| 		$data = Contact::getByURL($url);
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| 		$network = $data["network"];
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| 
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| 		// Canonicalize email-style profile locator
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| 		$url = Probe::webfingerDfrn($data['url'] ?? $url, $hcard);
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| 
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| 		if (substr($url, 0, 5) === 'stat:') {
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| 			// Every time we detect the remote subscription we define this as OStatus.
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| 			// We do this even if it is not OStatus.
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| 			// we only need to pass this through another section of the code.
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| 			if ($network != Protocol::DIASPORA) {
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| 				$network = Protocol::OSTATUS;
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| 			}
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| 
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| 			$url = substr($url, 5);
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| 		} else {
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| 			$network = Protocol::DFRN;
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| 		}
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| 
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| 		Logger::log('dfrn_request: url: ' . $url . ',network=' . $network, Logger::DEBUG);
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| 
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| 		if ($network === Protocol::DFRN) {
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| 			$ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
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| 				intval($uid),
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| 				DBA::escape($url)
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| 			);
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| 
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| 			if (DBA::isResult($ret)) {
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| 				if (strlen($ret[0]['issued-id'])) {
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| 					notice(DI::l10n()->t('You have already introduced yourself here.'));
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| 					return;
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| 				} elseif ($ret[0]['rel'] == Contact::FRIEND) {
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| 					notice(DI::l10n()->t('Apparently you are already friends with %s.', $a->profile['name']));
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| 					return;
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| 				} else {
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| 					$contact_record = $ret[0];
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| 					$parms = ['dfrn-request' => $ret[0]['request']];
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| 				}
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| 			}
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| 
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| 			$issued_id = Strings::getRandomHex();
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| 
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| 			if (is_array($contact_record)) {
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| 				// There is a contact record but no issued-id, so this
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| 				// is a reciprocal introduction from a known contact
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| 				$r = q("UPDATE `contact` SET `issued-id` = '%s' WHERE `id` = %d",
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| 					DBA::escape($issued_id),
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| 					intval($contact_record['id'])
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| 				);
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| 			} else {
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| 				$url = Network::isUrlValid($url);
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| 				if (!$url) {
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| 					notice(DI::l10n()->t('Invalid profile URL.'));
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| 					DI::baseUrl()->redirect(DI::args()->getCommand());
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| 					return; // NOTREACHED
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| 				}
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| 
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| 				if (!Network::isUrlAllowed($url)) {
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| 					notice(DI::l10n()->t('Disallowed profile URL.'));
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| 					DI::baseUrl()->redirect(DI::args()->getCommand());
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| 					return; // NOTREACHED
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| 				}
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| 
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| 				if (Network::isUrlBlocked($url)) {
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| 					notice(DI::l10n()->t('Blocked domain'));
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| 					DI::baseUrl()->redirect(DI::args()->getCommand());
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| 					return; // NOTREACHED
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| 				}
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| 
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| 				$parms = Probe::profile(($hcard) ? $hcard : $url);
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| 
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| 				if (!count($parms)) {
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| 					notice(DI::l10n()->t('Profile location is not valid or does not contain profile information.'));
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| 					DI::baseUrl()->redirect(DI::args()->getCommand());
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| 				} else {
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| 					if (empty($parms['fn'])) {
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| 						notice(DI::l10n()->t('Warning: profile location has no identifiable owner name.'));
 | |
| 					}
 | |
| 					if (empty($parms['photo'])) {
 | |
| 						notice(DI::l10n()->t('Warning: profile location has no profile photo.'));
 | |
| 					}
 | |
| 					$invalid = Probe::validDfrn($parms);
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| 					if ($invalid) {
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| 						notice(DI::l10n()->tt("%d required parameter was not found at the given location", "%d required parameters were not found at the given location", $invalid));
 | |
| 
 | |
| 						return;
 | |
| 					}
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| 				}
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| 
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| 				$parms['url'] = $url;
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| 				$parms['issued-id'] = $issued_id;
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| 				$photo = $parms["photo"];
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| 
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| 				DBA::escapeArray($parms);
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| 				$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `name`, `nick`, `issued-id`, `photo`, `site-pubkey`,
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| 					`request`, `confirm`, `notify`, `poll`, `network`, `blocked`, `pending` )
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| 					VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d )",
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| 					intval($uid),
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| 					DBA::escape(DateTimeFormat::utcNow()),
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| 					$parms['url'],
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| 					DBA::escape(Strings::normaliseLink($url)),
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| 					$parms['addr'],
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| 					$parms['fn'],
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| 					$parms['nick'],
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| 					$parms['issued-id'],
 | |
| 					$parms['photo'],
 | |
| 					$parms['key'],
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| 					$parms['dfrn-request'],
 | |
| 					$parms['dfrn-confirm'],
 | |
| 					$parms['dfrn-notify'],
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| 					$parms['dfrn-poll'],
 | |
| 					DBA::escape(Protocol::DFRN),
 | |
| 					intval($blocked),
 | |
| 					intval($pending)
 | |
| 				);
 | |
| 
 | |
| 				// find the contact record we just created
 | |
| 				if ($r) {
 | |
| 					$r = q("SELECT `id` FROM `contact`
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| 						WHERE `uid` = %d AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
 | |
| 						intval($uid),
 | |
| 						$parms['url'],
 | |
| 						$parms['issued-id']
 | |
| 					);
 | |
| 					if (DBA::isResult($r)) {
 | |
| 						$contact_record = $r[0];
 | |
| 						Contact::updateAvatar($contact_record["id"], $photo, true);
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 			if ($r === false) {
 | |
| 				notice(DI::l10n()->t('Failed to update contact record.'));
 | |
| 				return;
 | |
| 			}
 | |
| 
 | |
| 			$hash = Strings::getRandomHex() . (string) time();   // Generate a confirm_key
 | |
| 
 | |
| 			if (is_array($contact_record)) {
 | |
| 				q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
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| 					VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )",
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| 					intval($uid),
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| 					intval($contact_record['id']),
 | |
| 					intval(!empty($_POST['knowyou'])),
 | |
| 					DBA::escape(Strings::escapeTags(trim($_POST['dfrn-request-message'] ?? ''))),
 | |
| 					DBA::escape($hash),
 | |
| 					DBA::escape(DateTimeFormat::utcNow())
 | |
| 				);
 | |
| 			}
 | |
| 
 | |
| 			// This notice will only be seen by the requestor if the requestor and requestee are on the same server.
 | |
| 			if (!$failed) {
 | |
| 				info(DI::l10n()->t('Your introduction has been sent.'));
 | |
| 			}
 | |
| 
 | |
| 			// "Homecoming" - send the requestor back to their site to record the introduction.
 | |
| 			$dfrn_url = bin2hex(DI::baseUrl()->get() . '/profile/' . $nickname);
 | |
| 			$aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
 | |
| 
 | |
| 			System::externalRedirect($parms['dfrn-request'] . "?dfrn_url=$dfrn_url"
 | |
| 				. '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 | |
| 				. '&confirm_key=' . $hash
 | |
| 				. (($aes_allow) ? "&aes_allow=1" : "")
 | |
| 			);
 | |
| 			// NOTREACHED
 | |
| 			// END $network === Protocol::DFRN
 | |
| 		} elseif (($network != Protocol::PHANTOM) && ($url != "")) {
 | |
| 
 | |
| 			/* Substitute our user's feed URL into $url template
 | |
| 			 * Send the subscriber home to subscribe
 | |
| 			 */
 | |
| 			// Diaspora needs the uri in the format user@domain.tld
 | |
| 			// Diaspora will support the remote subscription in a future version
 | |
| 			if ($network == Protocol::DIASPORA) {
 | |
| 				$uri = urlencode($a->profile['addr']);
 | |
| 			} else {
 | |
| 				$uri = urlencode($a->profile['url']);
 | |
| 			}
 | |
| 
 | |
| 			$url = str_replace('{uri}', $uri, $url);
 | |
| 			System::externalRedirect($url);
 | |
| 			// NOTREACHED
 | |
| 			// END $network != Protocol::PHANTOM
 | |
| 		} else {
 | |
| 			notice(DI::l10n()->t("Remote subscription can't be done for your network. Please subscribe directly on your system."));
 | |
| 			return;
 | |
| 		}
 | |
| 	} return;
 | |
| }
 | |
| 
 | |
| function dfrn_request_content(App $a)
 | |
| {
 | |
| 	if ($a->argc != 2 || empty($a->profile)) {
 | |
| 		return "";
 | |
| 	}
 | |
| 
 | |
| 	// "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button
 | |
| 	// to send us to the post section to record the introduction.
 | |
| 	if (!empty($_GET['dfrn_url'])) {
 | |
| 		if (!local_user()) {
 | |
| 			info(DI::l10n()->t("Please login to confirm introduction."));
 | |
| 			/* setup the return URL to come back to this page if they use openid */
 | |
| 			return Login::form();
 | |
| 		}
 | |
| 
 | |
| 		// Edge case, but can easily happen in the wild. This person is authenticated,
 | |
| 		// but not as the person who needs to deal with this request.
 | |
| 		if ($a->user['nickname'] != $a->argv[1]) {
 | |
| 			notice(DI::l10n()->t("Incorrect identity currently logged in. Please login to <strong>this</strong> profile."));
 | |
| 			return Login::form();
 | |
| 		}
 | |
| 
 | |
| 		$dfrn_url = Strings::escapeTags(trim(hex2bin($_GET['dfrn_url'])));
 | |
| 		$aes_allow = !empty($_GET['aes_allow']);
 | |
| 		$confirm_key = $_GET['confirm_key'] ?? '';
 | |
| 
 | |
| 		// Checking fastlane for validity
 | |
| 		if (!empty($_SESSION['fastlane']) && (Strings::normaliseLink($_SESSION["fastlane"]) == Strings::normaliseLink($dfrn_url))) {
 | |
| 			$_POST["dfrn_url"] = $dfrn_url;
 | |
| 			$_POST["confirm_key"] = $confirm_key;
 | |
| 			$_POST["localconfirm"] = 1;
 | |
| 			$_POST["hidden-contact"] = 0;
 | |
| 			$_POST["submit"] = DI::l10n()->t('Confirm');
 | |
| 
 | |
| 			dfrn_request_post($a);
 | |
| 
 | |
| 			exit();
 | |
| 		}
 | |
| 
 | |
| 		$tpl = Renderer::getMarkupTemplate("dfrn_req_confirm.tpl");
 | |
| 		$o = Renderer::replaceMacros($tpl, [
 | |
| 			'$dfrn_url' => $dfrn_url,
 | |
| 			'$aes_allow' => (($aes_allow) ? '<input type="hidden" name="aes_allow" value="1" />' : "" ),
 | |
| 			'$hidethem' => DI::l10n()->t('Hide this contact'),
 | |
| 			'$confirm_key' => $confirm_key,
 | |
| 			'$welcome' => DI::l10n()->t('Welcome home %s.', $a->user['username']),
 | |
| 			'$please' => DI::l10n()->t('Please confirm your introduction/connection request to %s.', $dfrn_url),
 | |
| 			'$submit' => DI::l10n()->t('Confirm'),
 | |
| 			'$uid' => $_SESSION['uid'],
 | |
| 			'$nickname' => $a->user['nickname'],
 | |
| 			'dfrn_rawurl' => $_GET['dfrn_url']
 | |
| 		]);
 | |
| 		return $o;
 | |
| 	} elseif (!empty($_GET['confirm_key'])) {
 | |
| 		// we are the requestee and it is now safe to send our user their introduction,
 | |
| 		// We could just unblock it, but first we have to jump through a few hoops to
 | |
| 		// send an email, or even to find out if we need to send an email.
 | |
| 		$intro = q("SELECT * FROM `intro` WHERE `hash` = '%s' LIMIT 1",
 | |
| 			DBA::escape($_GET['confirm_key'])
 | |
| 		);
 | |
| 
 | |
| 		if (DBA::isResult($intro)) {
 | |
| 			$r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 | |
| 				WHERE `contact`.`id` = %d LIMIT 1",
 | |
| 				intval($intro[0]['contact-id'])
 | |
| 			);
 | |
| 
 | |
| 			$auto_confirm = false;
 | |
| 
 | |
| 			if (DBA::isResult($r)) {
 | |
| 				if ($r[0]['page-flags'] != User::PAGE_FLAGS_NORMAL && $r[0]['page-flags'] != User::PAGE_FLAGS_PRVGROUP) {
 | |
| 					$auto_confirm = true;
 | |
| 				}
 | |
| 
 | |
| 				if (!$auto_confirm) {
 | |
| 					notification([
 | |
| 						'type'  => Notification\Type::INTRO,
 | |
| 						'otype' => Notification\ObjectType::INTRO,
 | |
| 						'verb'  => Activity::REQ_FRIEND,
 | |
| 						'uid'   => $r[0]['uid'],
 | |
| 						'cid'   => $r[0]['id'],
 | |
| 						'link'  => DI::baseUrl() . '/notifications/intros',
 | |
| 					]);
 | |
| 				}
 | |
| 
 | |
| 				if ($auto_confirm) {
 | |
| 					require_once 'mod/dfrn_confirm.php';
 | |
| 					$handsfree = [
 | |
| 						'uid'      => $r[0]['uid'],
 | |
| 						'node'     => $r[0]['nickname'],
 | |
| 						'dfrn_id'  => $r[0]['issued-id'],
 | |
| 						'intro_id' => $intro[0]['id'],
 | |
| 						'duplex'   => (($r[0]['page-flags'] == User::PAGE_FLAGS_FREELOVE) ? 1 : 0),
 | |
| 					];
 | |
| 					dfrn_confirm_post($a, $handsfree);
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			if (!$auto_confirm) {
 | |
| 
 | |
| 				// If we are auto_confirming, this record will have already been nuked
 | |
| 				// in dfrn_confirm_post()
 | |
| 
 | |
| 				q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s'",
 | |
| 					DBA::escape($_GET['confirm_key'])
 | |
| 				);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		exit();
 | |
| 	} else {
 | |
| 		// Normal web request. Display our user's introduction form.
 | |
| 		if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
 | |
| 			if (!DI::config()->get('system', 'local_block')) {
 | |
| 				notice(DI::l10n()->t('Public access denied.'));
 | |
| 				return;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		// Try to auto-fill the profile address
 | |
| 		// At first look if an address was provided
 | |
| 		// Otherwise take the local address
 | |
| 		if (!empty($_GET['addr'])) {
 | |
| 			$myaddr = hex2bin($_GET['addr']);
 | |
| 		} elseif (!empty($_GET['address'])) {
 | |
| 			$myaddr = $_GET['address'];
 | |
| 		} elseif (local_user()) {
 | |
| 			if (strlen(DI::baseUrl()->getUrlPath())) {
 | |
| 				$myaddr = DI::baseUrl() . '/profile/' . $a->user['nickname'];
 | |
| 			} else {
 | |
| 				$myaddr = $a->user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3);
 | |
| 			}
 | |
| 		} else {
 | |
| 			// last, try a zrl
 | |
| 			$myaddr = Profile::getMyURL();
 | |
| 		}
 | |
| 
 | |
| 		$target_addr = $a->profile['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3);
 | |
| 
 | |
| 		/* The auto_request form only has the profile address
 | |
| 		 * because nobody is going to read the comments and
 | |
| 		 * it doesn't matter if they know you or not.
 | |
| 		 */
 | |
| 		if ($a->profile['page-flags'] == User::PAGE_FLAGS_NORMAL) {
 | |
| 			$tpl = Renderer::getMarkupTemplate('dfrn_request.tpl');
 | |
| 		} else {
 | |
| 			$tpl = Renderer::getMarkupTemplate('auto_request.tpl');
 | |
| 		}
 | |
| 
 | |
| 		$o = Renderer::replaceMacros($tpl, [
 | |
| 			'$header'        => DI::l10n()->t('Friend/Connection Request'),
 | |
| 			'$page_desc'     => DI::l10n()->t('Enter your Webfinger address (user@domain.tld) or profile URL here. If this isn\'t supported by your system (for example it doesn\'t work with Diaspora), you have to subscribe to <strong>%s</strong> directly on your system', $target_addr),
 | |
| 			'$invite_desc'   => DI::l10n()->t('If you are not yet a member of the free social web, <a href="%s">follow this link to find a public Friendica node and join us today</a>.', Search::getGlobalDirectory() . '/servers'),
 | |
| 			'$your_address'  => DI::l10n()->t('Your Webfinger address or profile URL:'),
 | |
| 			'$pls_answer'    => DI::l10n()->t('Please answer the following:'),
 | |
| 			'$submit'        => DI::l10n()->t('Submit Request'),
 | |
| 			'$cancel'        => DI::l10n()->t('Cancel'),
 | |
| 
 | |
| 			'$request'       => 'dfrn_request/' . $a->argv[1],
 | |
| 			'$name'          => $a->profile['name'],
 | |
| 			'$myaddr'        => $myaddr,
 | |
| 
 | |
| 			'$does_know_you' => ['knowyou', DI::l10n()->t('%s knows you', $a->profile['name'])],
 | |
| 			'$addnote_field' => ['dfrn-request-message', DI::l10n()->t('Add a personal note:')],
 | |
| 		]);
 | |
| 		return $o;
 | |
| 	}
 | |
| }
 |