mod/delegate.php

   1 <?php
   2 /**
   3  * @file mod/delegate.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Core\L10n;
   8 use Friendica\Core\Protocol;
   9 use Friendica\Core\System;
  10 use Friendica\Database\DBA;
  11 use Friendica\Model\User;
  12 use Friendica\Util\Security;
  13
  14 require_once 'mod/settings.php';
  15
  16 function delegate_init(App $a)
  17 {
  18         return settings_init($a);
  19 }
  20
  21 function delegate_post(App $a)
  22 {
  23         if (!local_user()) {
  24                 return;
  25         }
  26
  27         if (count($a->user) && x($a->user, 'uid') && $a->user['uid'] != local_user()) {
  28                 notice(L10n::t('Permission denied.') . EOL);
  29                 return;
  30         }
  31
  32         Security::check_form_security_token_redirectOnErr('/delegate', 'delegate');
  33
  34         $parent_uid = defaults($_POST, 'parent_user', 0);
  35         $parent_password = defaults($_POST, 'parent_password', '');
  36
  37         if ($parent_uid != 0) {
  38                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $parent_uid]);
  39                 if (!DBA::isResult($user)) {
  40                         notice(L10n::t('Parent user not found.') . EOL);
  41                         return;
  42                 }
  43
  44                 $success = User::authenticate($user['nickname'], trim($parent_password));
  45                 if (!$success) {
  46                         notice(L10n::t('Permission denied.') . EOL);
  47                         return;
  48                 }
  49         }
  50
  51         DBA::update('user', ['parent-uid' => $parent_uid], ['uid' => local_user()]);
  52 }
  53
  54 function delegate_content(App $a)
  55 {
  56         if (!local_user()) {
  57                 notice(L10n::t('Permission denied.') . EOL);
  58                 return;
  59         }
  60
  61         if ($a->argc > 2 && $a->argv[1] === 'add' && intval($a->argv[2])) {
  62                 // delegated admins can view but not change delegation permissions
  63                 if (x($_SESSION, 'submanage')) {
  64                         goaway(System::baseUrl() . '/delegate');
  65                 }
  66
  67                 $user_id = $a->argv[2];
  68
  69                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $user_id]);
  70                 if (DBA::isResult($user)) {
  71                         $condition = [
  72                                 'uid' => local_user(),
  73                                 'nurl' => normalise_link(System::baseUrl() . '/profile/' . $user['nickname'])
  74                         ];
  75                         if (DBA::exists('contact', $condition)) {
  76                                 DBA::insert('manage', ['uid' => $user_id, 'mid' => local_user()]);
  77                         }
  78                 }
  79                 goaway(System::baseUrl() . '/delegate');
  80         }
  81
  82         if ($a->argc > 2 && $a->argv[1] === 'remove' && intval($a->argv[2])) {
  83                 // delegated admins can view but not change delegation permissions
  84                 if (x($_SESSION, 'submanage')) {
  85                         goaway(System::baseUrl() . '/delegate');
  86                 }
  87
  88                 DBA::delete('manage', ['uid' => $a->argv[2], 'mid' => local_user()]);
  89                 goaway(System::baseUrl() . '/delegate');
  90         }
  91
  92         // find everybody that currently has delegated management to this account/page
  93         $delegates = [];
  94         $r = q("SELECT * FROM `user` WHERE `uid` IN (SELECT `uid` FROM `manage` WHERE `mid` = %d)",
  95                 intval(local_user())
  96         );
  97         if (DBA::isResult($r)) {
  98                 $delegates = $r;
  99         }
 100
 101         $uids = [];
 102         foreach ($delegates as $rr) {
 103                 $uids[] = $rr['uid'];
 104         }
 105
 106         // find every contact who might be a candidate for delegation
 107         $potentials = [];
 108
 109         $r = q("SELECT `nurl`
 110                 FROM `contact`
 111                 WHERE `self` = 0
 112                 AND SUBSTRING_INDEX(`nurl`, '/', 3) = '%s'
 113                 AND `uid` = %d
 114                 AND `network` = '%s' ",
 115                 DBA::escape(normalise_link(System::baseUrl())),
 116                 intval(local_user()),
 117                 DBA::escape(Protocol::DFRN)
 118         );
 119         if (DBA::isResult($r)) {
 120                 $nicknames = [];
 121                 foreach ($r as $rr) {
 122                         $nicknames[] = "'" . DBA::escape(basename($rr['nurl'])) . "'";
 123                 }
 124
 125                 $nicks = implode(',', $nicknames);
 126
 127                 // get user records for all potential page delegates who are not already delegates or managers
 128                 $r = q("SELECT `uid`, `username`, `nickname` FROM `user` WHERE `nickname` IN ($nicks)");
 129                 if (DBA::isResult($r)) {
 130                         foreach ($r as $rr) {
 131                                 if (!in_array($rr['uid'], $uids)) {
 132                                         $potentials[] = $rr;
 133                                 }
 134                         }
 135                 }
 136         }
 137
 138         settings_init($a);
 139
 140         $user = DBA::selectFirst('user', ['parent-uid', 'email'], ['uid' => local_user()]);
 141
 142         $parent_user = null;
 143
 144         if (DBA::isResult($user)) {
 145                 if (!DBA::exists('user', ['parent-uid' => local_user()])) {
 146                         $parent_uid = $user['parent-uid'];
 147                         $parents = [0 => L10n::t('No parent user')];
 148
 149                         $fields = ['uid', 'username', 'nickname'];
 150                         $condition = ['email' => $user['email'], 'verified' => true, 'blocked' => false, 'parent-uid' => 0];
 151                         $parent_users = DBA::select('user', $fields, $condition);
 152                         while ($parent = DBA::fetch($parent_users)) {
 153                                 if ($parent['uid'] != local_user()) {
 154                                         $parents[$parent['uid']] = sprintf('%s (%s)', $parent['username'], $parent['nickname']);
 155                                 }
 156                         }
 157                         $parent_user = ['parent_user', '', $parent_uid, '', $parents];
 158                 }
 159         }
 160
 161         if (!is_null($parent_user)) {
 162                 $parent_password = ['parent_password', L10n::t('Parent Password:'), '', L10n::t('Please enter the password of the parent account to legitimize your request.')];
 163         }
 164
 165         $o = replace_macros(get_markup_template('delegate.tpl'), [
 166                 '$form_security_token' => Security::get_form_security_token('delegate'),
 167                 '$parent_header' => L10n::t('Parent User'),
 168                 '$parent_user' => $parent_user,
 169                 '$parent_password' => $parent_password,
 170                 '$parent_desc' => L10n::t('Parent users have total control about this account, including the account settings. Please double check whom you give this access.'),
 171                 '$submit' => L10n::t('Save Settings'),
 172                 '$header' => L10n::t('Delegate Page Management'),
 173                 '$delegates_header' => L10n::t('Delegates'),
 174                 '$base' => System::baseUrl(),
 175                 '$desc' => L10n::t('Delegates are able to manage all aspects of this account/page except for basic account settings. Please do not delegate your personal account to anybody that you do not trust completely.'),
 176                 '$head_delegates' => L10n::t('Existing Page Delegates'),
 177                 '$delegates' => $delegates,
 178                 '$head_potentials' => L10n::t('Potential Delegates'),
 179                 '$potentials' => $potentials,
 180                 '$remove' => L10n::t('Remove'),
 181                 '$add' => L10n::t('Add'),
 182                 '$none' => L10n::t('No entries.')
 183         ]);
 184
 185
 186         return $o;
 187 }