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[friendica.git] / mod / unfollow.php
1 <?php
2 /**
3  * @copyright Copyright (C) 2010-2021, the Friendica project
4  *
5  * @license GNU AGPL version 3 or any later version
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU Affero General Public License as
9  * published by the Free Software Foundation, either version 3 of the
10  * License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU Affero General Public License for more details.
16  *
17  * You should have received a copy of the GNU Affero General Public License
18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19  *
20  */
21
22 use Friendica\App;
23 use Friendica\Content\Widget;
24 use Friendica\Core\Protocol;
25 use Friendica\Core\Renderer;
26 use Friendica\Database\DBA;
27 use Friendica\DI;
28 use Friendica\Model\Contact;
29 use Friendica\Model\User;
30 use Friendica\Util\Strings;
31
32 function unfollow_post(App $a)
33 {
34         if (!local_user()) {
35                 notice(DI::l10n()->t('Permission denied.'));
36                 DI::baseUrl()->redirect('login');
37                 // NOTREACHED
38         }
39
40         $url = Strings::escapeTags(trim($_REQUEST['url'] ?? ''));
41
42         unfollow_process($url);
43 }
44
45 function unfollow_content(App $a)
46 {
47         $base_return_path = 'contact';
48
49         if (!local_user()) {
50                 notice(DI::l10n()->t('Permission denied.'));
51                 DI::baseUrl()->redirect('login');
52                 // NOTREACHED
53         }
54
55         $uid = local_user();
56         $url = Strings::escapeTags(trim($_REQUEST['url']));
57
58         $condition = ["`uid` = ? AND (`rel` = ? OR `rel` = ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?)",
59                 local_user(), Contact::SHARING, Contact::FRIEND, Strings::normaliseLink($url),
60                 Strings::normaliseLink($url), $url];
61
62         $contact = DBA::selectFirst('contact', ['url', 'id', 'uid', 'network', 'addr', 'name'], $condition);
63
64         if (!DBA::isResult($contact)) {
65                 notice(DI::l10n()->t("You aren't following this contact."));
66                 DI::baseUrl()->redirect($base_return_path);
67                 // NOTREACHED
68         }
69
70         if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
71                 notice(DI::l10n()->t('Unfollowing is currently not supported by your network.'));
72                 DI::baseUrl()->redirect($base_return_path . '/' . $contact['id']);
73                 // NOTREACHED
74         }
75
76         $request = DI::baseUrl() . '/unfollow';
77         $tpl = Renderer::getMarkupTemplate('auto_request.tpl');
78
79         $self = DBA::selectFirst('contact', ['url'], ['uid' => $uid, 'self' => true]);
80
81         if (!DBA::isResult($self)) {
82                 notice(DI::l10n()->t('Permission denied.'));
83                 DI::baseUrl()->redirect($base_return_path);
84                 // NOTREACHED
85         }
86
87         if (!empty($_REQUEST['auto'])) {
88                 unfollow_process($contact['url']);
89         }
90
91         $o = Renderer::replaceMacros($tpl, [
92                 '$header'        => DI::l10n()->t('Disconnect/Unfollow'),
93                 '$page_desc'     => '',
94                 '$your_address'  => DI::l10n()->t('Your Identity Address:'),
95                 '$invite_desc'   => '',
96                 '$submit'        => DI::l10n()->t('Submit Request'),
97                 '$cancel'        => DI::l10n()->t('Cancel'),
98                 '$url'           => $contact['url'],
99                 '$zrl'           => Contact::magicLinkByContact($contact),
100                 '$url_label'     => DI::l10n()->t('Profile URL'),
101                 '$myaddr'        => $self['url'],
102                 '$request'       => $request,
103                 '$keywords'      => '',
104                 '$keywords_label'=> ''
105         ]);
106
107         DI::page()['aside'] = Widget\VCard::getHTML(Contact::getByURL($contact['url'], false));
108
109         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'), ['$title' => DI::l10n()->t('Status Messages and Posts')]);
110
111         // Show last public posts
112         $o .= Contact::getPostsFromUrl($contact['url']);
113
114         return $o;
115 }
116
117 function unfollow_process(string $url)
118 {
119         $base_return_path = 'contact';
120
121         $uid = local_user();
122
123         $condition = ["`uid` = ? AND (`rel` = ? OR `rel` = ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?)",
124                 $uid, Contact::SHARING, Contact::FRIEND, Strings::normaliseLink($url),
125                 Strings::normaliseLink($url), $url];
126         $contact = DBA::selectFirst('contact', [], $condition);
127
128         if (!DBA::isResult($contact)) {
129                 notice(DI::l10n()->t("You aren't following this contact."));
130                 DI::baseUrl()->redirect($base_return_path);
131                 // NOTREACHED
132         }
133
134         if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
135                 notice(DI::l10n()->t('Unfollowing is currently not supported by your network.'));
136                 DI::baseUrl()->redirect($base_return_path . '/' . $contact['id']);
137                 // NOTREACHED
138         }
139
140         $dissolve = ($contact['rel'] == Contact::SHARING);
141
142         $owner = User::getOwnerDataById($uid);
143         if ($owner) {
144                 Contact::terminateFriendship($owner, $contact, $dissolve);
145         }
146
147         // Sharing-only contacts get deleted as there no relationship any more
148         if ($dissolve) {
149                 Contact::remove($contact['id']);
150                 $return_path = $base_return_path;
151         } else {
152                 DBA::update('contact', ['rel' => Contact::FOLLOWER], ['id' => $contact['id']]);
153                 $return_path = $base_return_path . '/' . $contact['id'];
154         }
155
156         DI::baseUrl()->redirect($return_path);
157 }