211 lines
6 KiB
PHP
211 lines
6 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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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\Content\Widget;
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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\Model\Post;
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use Friendica\Model\User;
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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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$url = Probe::cleanURI($_REQUEST['url']);
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follow_process($a, $url);
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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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$user_contact = DBA::selectFirst('contact', ['pending'], ["`uid` = ? AND ((`rel` != ?) OR (`network` = ?)) AND
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(`nurl` = ? OR `alias` = ? OR `alias` = ?) AND `network` != ?",
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$uid, Contact::FOLLOWER, Protocol::DFRN, Strings::normaliseLink($url),
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Strings::normaliseLink($url), $url, Protocol::STATUSNET]);
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if (DBA::isResult($user_contact)) {
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if ($user_contact['pending']) {
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notice(DI::l10n()->t('You already added this contact.'));
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$submit = '';
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}
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}
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$contact = Contact::getByURL($url, true);
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// Possibly it is a mail contact
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if (empty($contact)) {
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$contact = Probe::uri($url, Protocol::MAIL, $uid);
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}
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if (empty($contact) || ($contact['network'] == Protocol::PHANTOM)) {
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// Possibly it is a remote item and not an account
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follow_remote_item($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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$submit = '';
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$contact = ['url' => $url, 'network' => Protocol::PHANTOM, 'name' => $url, 'keywords' => ''];
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}
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$protocol = Contact::getProtocol($contact['url'], $contact['network']);
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if (($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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$submit = '';
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}
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if (($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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$submit = '';
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}
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if ($protocol == Protocol::MAIL) {
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$contact['url'] = $contact['addr'];
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}
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if (!empty($_REQUEST['auto'])) {
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follow_process($a, $contact['url']);
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}
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$request = DI::baseUrl() . '/follow';
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$tpl = Renderer::getMarkupTemplate('auto_request.tpl');
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$owner = User::getOwnerDataById($uid);
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if (empty($owner)) {
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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 = $owner['url'];
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$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' => $contact['name'],
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'$url' => $contact['url'],
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'$zrl' => Profile::zrl($contact['url']),
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'$myaddr' => $myaddr,
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'$keywords' => $contact['keywords'],
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'$does_know_you' => ['knowyou', DI::l10n()->t('%s knows you', $contact['name'])],
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'$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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if ($protocol != Protocol::PHANTOM) {
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DI::page()['aside'] = Widget\VCard::getHTML(Contact::getByURL($contact['url'], false));
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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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$o .= Contact::getPostsFromUrl($contact['url']);
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}
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return $o;
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}
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function follow_process(App $a, string $url)
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{
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$return_path = 'follow?url=' . urlencode($url);
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$result = Contact::createFromProbeForUser($a->getLoggedInUserId(), $url);
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if ($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/' . $result['cid']);
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}
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notice(DI::l10n()->t('The contact could not be added.'));
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DI::baseUrl()->redirect($return_path);
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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 = Post::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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