234 lines
6.7 KiB
PHP
234 lines
6.7 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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*/
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use Friendica\App;
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use Friendica\Core\Protocol;
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use Friendica\Core\Renderer;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Profile;
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use Friendica\Model\Item;
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use Friendica\Network\Probe;
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use Friendica\Database\DBA;
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use Friendica\Util\Strings;
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function follow_post(App $a)
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{
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if (!local_user()) {
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throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
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}
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if (isset($_REQUEST['cancel'])) {
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DI::baseUrl()->redirect('contact');
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}
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$uid = local_user();
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$url = Strings::escapeTags(trim($_REQUEST['url']));
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$return_path = 'follow?url=' . urlencode($url);
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// Makes the connection request for friendica contacts easier
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// This is just a precaution if maybe this page is called somewhere directly via POST
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$_SESSION['fastlane'] = $url;
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$result = Contact::createFromProbe($uid, $url, true);
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if ($result['success'] == false) {
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// Possibly it is a remote item and not an account
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follow_remote_item($url);
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if ($result['message']) {
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notice($result['message']);
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}
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DI::baseUrl()->redirect($return_path);
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} elseif ($result['cid']) {
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DI::baseUrl()->redirect('contact/' . $result['cid']);
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}
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info(DI::l10n()->t('The contact could not be added.'));
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DI::baseUrl()->redirect($return_path);
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// NOTREACHED
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}
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function follow_content(App $a)
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{
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$return_path = 'contact';
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if (!local_user()) {
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notice(DI::l10n()->t('Permission denied.'));
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DI::baseUrl()->redirect($return_path);
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// NOTREACHED
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}
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$uid = local_user();
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// Issue 4815: Silently removing a prefixing @
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$url = ltrim(Strings::escapeTags(trim($_REQUEST['url'] ?? '')), '@!');
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// Issue 6874: Allow remote following from Peertube
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if (strpos($url, 'acct:') === 0) {
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$url = str_replace('acct:', '', $url);
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}
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if (!$url) {
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DI::baseUrl()->redirect($return_path);
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}
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$submit = DI::l10n()->t('Submit Request');
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// Don't try to add a pending contact
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$r = q("SELECT `pending` FROM `contact` WHERE `uid` = %d AND ((`rel` != %d) OR (`network` = '%s')) AND
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(`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
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`network` != '%s' LIMIT 1",
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intval(local_user()), DBA::escape(Contact::FOLLOWER), DBA::escape(Protocol::DFRN), DBA::escape(Strings::normaliseLink($url)),
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DBA::escape(Strings::normaliseLink($url)), DBA::escape($url), DBA::escape(Protocol::STATUSNET));
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if ($r) {
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if ($r[0]['pending']) {
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notice(DI::l10n()->t('You already added this contact.'));
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$submit = '';
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//$a->internalRedirect($_SESSION['return_path']);
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// NOTREACHED
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}
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}
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$ret = Probe::uri($url);
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$protocol = Contact::getProtocol($ret['url'], $ret['network']);
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if (($protocol == Protocol::DIASPORA) && !DI::config()->get('system', 'diaspora_enabled')) {
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notice(DI::l10n()->t("Diaspora support isn't enabled. Contact can't be added."));
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$submit = '';
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//$a->internalRedirect($_SESSION['return_path']);
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// NOTREACHED
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}
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if (($protocol == Protocol::OSTATUS) && DI::config()->get('system', 'ostatus_disabled')) {
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notice(DI::l10n()->t("OStatus support is disabled. Contact can't be added."));
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$submit = '';
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//$a->internalRedirect($_SESSION['return_path']);
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// NOTREACHED
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}
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if ($protocol == Protocol::PHANTOM) {
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// Possibly it is a remote item and not an account
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follow_remote_item($url);
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notice(DI::l10n()->t("The network type couldn't be detected. Contact can't be added."));
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$submit = '';
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//$a->internalRedirect($_SESSION['return_path']);
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// NOTREACHED
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}
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if ($protocol == Protocol::MAIL) {
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$ret['url'] = $ret['addr'];
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}
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if (($protocol === Protocol::DFRN) && !DBA::isResult($r)) {
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$request = $ret['request'];
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$tpl = Renderer::getMarkupTemplate('dfrn_request.tpl');
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} else {
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$request = DI::baseUrl() . '/follow';
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$tpl = Renderer::getMarkupTemplate('auto_request.tpl');
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}
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$r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1", intval($uid));
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if (!$r) {
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notice(DI::l10n()->t('Permission denied.'));
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DI::baseUrl()->redirect($return_path);
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// NOTREACHED
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}
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$myaddr = $r[0]['url'];
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$gcontact_id = 0;
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// Makes the connection request for friendica contacts easier
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$_SESSION['fastlane'] = $ret['url'];
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$r = q("SELECT `id`, `location`, `about`, `keywords` FROM `gcontact` WHERE `nurl` = '%s'",
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Strings::normaliseLink($ret['url']));
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if (!$r) {
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$r = [['location' => '', 'about' => '', 'keywords' => '']];
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} else {
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$gcontact_id = $r[0]['id'];
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}
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if ($protocol === Protocol::DIASPORA) {
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$r[0]['location'] = '';
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$r[0]['about'] = '';
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}
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$o = Renderer::replaceMacros($tpl, [
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'$header' => DI::l10n()->t('Connect/Follow'),
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'$pls_answer' => DI::l10n()->t('Please answer the following:'),
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'$your_address' => DI::l10n()->t('Your Identity Address:'),
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'$url_label' => DI::l10n()->t('Profile URL'),
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'$keywords_label'=> DI::l10n()->t('Tags:'),
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'$submit' => $submit,
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'$cancel' => DI::l10n()->t('Cancel'),
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'$request' => $request,
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'$name' => $ret['name'],
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'$url' => $ret['url'],
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'$zrl' => Profile::zrl($ret['url']),
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'$myaddr' => $myaddr,
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'$keywords' => $r[0]['keywords'],
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'$does_know_you' => ['knowyou', DI::l10n()->t('%s knows you', $ret['name'])],
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'$addnote_field' => ['dfrn-request-message', DI::l10n()->t('Add a personal note:')],
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]);
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DI::page()['aside'] = '';
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$profiledata = Contact::getDetailsByURL($ret['url']);
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if ($profiledata) {
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Profile::load($a, '', $profiledata, false);
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}
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if ($gcontact_id <> 0) {
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$o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'),
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['$title' => DI::l10n()->t('Status Messages and Posts')]
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);
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// Show last public posts
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$o .= Contact::getPostsFromUrl($ret['url']);
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}
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return $o;
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}
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function follow_remote_item($url)
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{
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$item_id = Item::fetchByLink($url, local_user());
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if (!$item_id) {
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// If the user-specific search failed, we search and probe a public post
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$item_id = Item::fetchByLink($url);
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}
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if (!empty($item_id)) {
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$item = Item::selectFirst(['guid'], ['id' => $item_id]);
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if (DBA::isResult($item)) {
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DI::baseUrl()->redirect('display/' . $item['guid']);
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}
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}
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}
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