mod/delegate.php

   1 <?php
   2 /**
   3  * @file mod/delegate.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\BaseModule;
   8 use Friendica\Core\L10n;
   9 use Friendica\Core\Protocol;
  10 use Friendica\Core\System;
  11 use Friendica\Database\DBA;
  12 use Friendica\Model\User;
  13 use Friendica\Util\Security;
  14
  15 require_once 'mod/settings.php';
  16
  17 function delegate_init(App $a)
  18 {
  19         return settings_init($a);
  20 }
  21
  22 function delegate_post(App $a)
  23 {
  24         if (!local_user()) {
  25                 return;
  26         }
  27
  28         if (count($a->user) && x($a->user, 'uid') && $a->user['uid'] != local_user()) {
  29                 notice(L10n::t('Permission denied.') . EOL);
  30                 return;
  31         }
  32
  33         BaseModule::checkFormSecurityTokenRedirectOnError('/delegate', 'delegate');
  34
  35         $parent_uid = defaults($_POST, 'parent_user', 0);
  36         $parent_password = defaults($_POST, 'parent_password', '');
  37
  38         if ($parent_uid != 0) {
  39                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $parent_uid]);
  40                 if (!DBA::isResult($user)) {
  41                         notice(L10n::t('Parent user not found.') . EOL);
  42                         return;
  43                 }
  44
  45                 $success = User::authenticate($user['nickname'], trim($parent_password));
  46                 if (!$success) {
  47                         notice(L10n::t('Permission denied.') . EOL);
  48                         return;
  49                 }
  50         }
  51
  52         DBA::update('user', ['parent-uid' => $parent_uid], ['uid' => local_user()]);
  53 }
  54
  55 function delegate_content(App $a)
  56 {
  57         if (!local_user()) {
  58                 notice(L10n::t('Permission denied.') . EOL);
  59                 return;
  60         }
  61
  62         if ($a->argc > 2 && $a->argv[1] === 'add' && intval($a->argv[2])) {
  63                 // delegated admins can view but not change delegation permissions
  64                 if (x($_SESSION, 'submanage')) {
  65                         $a->redirect('delegate');
  66                 }
  67
  68                 $user_id = $a->argv[2];
  69
  70                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $user_id]);
  71                 if (DBA::isResult($user)) {
  72                         $condition = [
  73                                 'uid' => local_user(),
  74                                 'nurl' => normalise_link(System::baseUrl() . '/profile/' . $user['nickname'])
  75                         ];
  76                         if (DBA::exists('contact', $condition)) {
  77                                 DBA::insert('manage', ['uid' => $user_id, 'mid' => local_user()]);
  78                         }
  79                 }
  80                 $a->redirect('delegate');
  81         }
  82
  83         if ($a->argc > 2 && $a->argv[1] === 'remove' && intval($a->argv[2])) {
  84                 // delegated admins can view but not change delegation permissions
  85                 if (x($_SESSION, 'submanage')) {
  86                         $a->redirect('delegate');
  87                 }
  88
  89                 DBA::delete('manage', ['uid' => $a->argv[2], 'mid' => local_user()]);
  90                 $a->redirect('delegate');
  91         }
  92
  93         // find everybody that currently has delegated management to this account/page
  94         $delegates = [];
  95         $r = q("SELECT * FROM `user` WHERE `uid` IN (SELECT `uid` FROM `manage` WHERE `mid` = %d)",
  96                 intval(local_user())
  97         );
  98         if (DBA::isResult($r)) {
  99                 $delegates = $r;
 100         }
 101
 102         $uids = [];
 103         foreach ($delegates as $rr) {
 104                 $uids[] = $rr['uid'];
 105         }
 106
 107         // find every contact who might be a candidate for delegation
 108         $potentials = [];
 109
 110         $r = q("SELECT `nurl`
 111                 FROM `contact`
 112                 WHERE `self` = 0
 113                 AND SUBSTRING_INDEX(`nurl`, '/', 3) = '%s'
 114                 AND `uid` = %d
 115                 AND `network` = '%s' ",
 116                 DBA::escape(normalise_link(System::baseUrl())),
 117                 intval(local_user()),
 118                 DBA::escape(Protocol::DFRN)
 119         );
 120         if (DBA::isResult($r)) {
 121                 $nicknames = [];
 122                 foreach ($r as $rr) {
 123                         $nicknames[] = "'" . DBA::escape(basename($rr['nurl'])) . "'";
 124                 }
 125
 126                 $nicks = implode(',', $nicknames);
 127
 128                 // get user records for all potential page delegates who are not already delegates or managers
 129                 $r = q("SELECT `uid`, `username`, `nickname` FROM `user` WHERE `nickname` IN ($nicks)");
 130                 if (DBA::isResult($r)) {
 131                         foreach ($r as $rr) {
 132                                 if (!in_array($rr['uid'], $uids)) {
 133                                         $potentials[] = $rr;
 134                                 }
 135                         }
 136                 }
 137         }
 138
 139         settings_init($a);
 140
 141         $user = DBA::selectFirst('user', ['parent-uid', 'email'], ['uid' => local_user()]);
 142
 143         $parent_user = null;
 144
 145         if (DBA::isResult($user)) {
 146                 if (!DBA::exists('user', ['parent-uid' => local_user()])) {
 147                         $parent_uid = $user['parent-uid'];
 148                         $parents = [0 => L10n::t('No parent user')];
 149
 150                         $fields = ['uid', 'username', 'nickname'];
 151                         $condition = ['email' => $user['email'], 'verified' => true, 'blocked' => false, 'parent-uid' => 0];
 152                         $parent_users = DBA::select('user', $fields, $condition);
 153                         while ($parent = DBA::fetch($parent_users)) {
 154                                 if ($parent['uid'] != local_user()) {
 155                                         $parents[$parent['uid']] = sprintf('%s (%s)', $parent['username'], $parent['nickname']);
 156                                 }
 157                         }
 158                         $parent_user = ['parent_user', '', $parent_uid, '', $parents];
 159                 }
 160         }
 161
 162         if (!is_null($parent_user)) {
 163                 $parent_password = ['parent_password', L10n::t('Parent Password:'), '', L10n::t('Please enter the password of the parent account to legitimize your request.')];
 164         }
 165
 166         $o = replace_macros(get_markup_template('delegate.tpl'), [
 167                 '$form_security_token' => BaseModule::getFormSecurityToken('delegate'),
 168                 '$parent_header' => L10n::t('Parent User'),
 169                 '$parent_user' => $parent_user,
 170                 '$parent_password' => $parent_password,
 171                 '$parent_desc' => L10n::t('Parent users have total control about this account, including the account settings. Please double check whom you give this access.'),
 172                 '$submit' => L10n::t('Save Settings'),
 173                 '$header' => L10n::t('Delegate Page Management'),
 174                 '$delegates_header' => L10n::t('Delegates'),
 175                 '$base' => System::baseUrl(),
 176                 '$desc' => L10n::t('Delegates are able to manage all aspects of this account/page except for basic account settings. Please do not delegate your personal account to anybody that you do not trust completely.'),
 177                 '$head_delegates' => L10n::t('Existing Page Delegates'),
 178                 '$delegates' => $delegates,
 179                 '$head_potentials' => L10n::t('Potential Delegates'),
 180                 '$potentials' => $potentials,
 181                 '$remove' => L10n::t('Remove'),
 182                 '$add' => L10n::t('Add'),
 183                 '$none' => L10n::t('No entries.')
 184         ]);
 185
 186
 187         return $o;
 188 }