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\Renderer;
  11 use Friendica\Core\System;
  12 use Friendica\Database\DBA;
  13 use Friendica\Model\User;
  14 use Friendica\Util\Security;
  15 use Friendica\Util\Strings;
  16
  17 require_once 'mod/settings.php';
  18
  19 function delegate_init(App $a)
  20 {
  21         return settings_init($a);
  22 }
  23
  24 function delegate_post(App $a)
  25 {
  26         if (!local_user()) {
  27                 return;
  28         }
  29
  30         if (count($a->user) && !empty($a->user['uid']) && $a->user['uid'] != local_user()) {
  31                 notice(L10n::t('Permission denied.') . EOL);
  32                 return;
  33         }
  34
  35         BaseModule::checkFormSecurityTokenRedirectOnError('/delegate', 'delegate');
  36
  37         $parent_uid = defaults($_POST, 'parent_user', 0);
  38         $parent_password = defaults($_POST, 'parent_password', '');
  39
  40         if ($parent_uid != 0) {
  41                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $parent_uid]);
  42                 if (!DBA::isResult($user)) {
  43                         notice(L10n::t('Parent user not found.') . EOL);
  44                         return;
  45                 }
  46
  47                 $success = User::authenticate($user['nickname'], trim($parent_password));
  48                 if (!$success) {
  49                         notice(L10n::t('Permission denied.') . EOL);
  50                         return;
  51                 }
  52         }
  53
  54         DBA::update('user', ['parent-uid' => $parent_uid], ['uid' => local_user()]);
  55 }
  56
  57 function delegate_content(App $a)
  58 {
  59         if (!local_user()) {
  60                 notice(L10n::t('Permission denied.') . EOL);
  61                 return;
  62         }
  63
  64         if ($a->argc > 2 && $a->argv[1] === 'add' && intval($a->argv[2])) {
  65                 // delegated admins can view but not change delegation permissions
  66                 if (!empty($_SESSION['submanage'])) {
  67                         $a->internalRedirect('delegate');
  68                 }
  69
  70                 $user_id = $a->argv[2];
  71
  72                 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $user_id]);
  73                 if (DBA::isResult($user)) {
  74                         $condition = [
  75                                 'uid' => local_user(),
  76                                 'nurl' => Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname'])
  77                         ];
  78                         if (DBA::exists('contact', $condition)) {
  79                                 DBA::insert('manage', ['uid' => $user_id, 'mid' => local_user()]);
  80                         }
  81                 }
  82                 $a->internalRedirect('delegate');
  83         }
  84
  85         if ($a->argc > 2 && $a->argv[1] === 'remove' && intval($a->argv[2])) {
  86                 // delegated admins can view but not change delegation permissions
  87                 if (!empty($_SESSION['submanage'])) {
  88                         $a->internalRedirect('delegate');
  89                 }
  90
  91                 DBA::delete('manage', ['uid' => $a->argv[2], 'mid' => local_user()]);
  92                 $a->internalRedirect('delegate');
  93         }
  94
  95         // find everybody that currently has delegated management to this account/page
  96         $delegates = [];
  97         $r = q("SELECT * FROM `user` WHERE `uid` IN (SELECT `uid` FROM `manage` WHERE `mid` = %d)",
  98                 intval(local_user())
  99         );
 100         if (DBA::isResult($r)) {
 101                 $delegates = $r;
 102         }
 103
 104         $uids = [];
 105         foreach ($delegates as $rr) {
 106                 $uids[] = $rr['uid'];
 107         }
 108
 109         // find every contact who might be a candidate for delegation
 110         $potentials = [];
 111
 112         $r = q("SELECT `nurl`
 113                 FROM `contact`
 114                 WHERE `self` = 0
 115                 AND SUBSTRING_INDEX(`nurl`, '/', 3) = '%s'
 116                 AND `uid` = %d
 117                 AND `network` = '%s' ",
 118                 DBA::escape(Strings::normaliseLink(System::baseUrl())),
 119                 intval(local_user()),
 120                 DBA::escape(Protocol::DFRN)
 121         );
 122         if (DBA::isResult($r)) {
 123                 $nicknames = [];
 124                 foreach ($r as $rr) {
 125                         $nicknames[] = "'" . DBA::escape(basename($rr['nurl'])) . "'";
 126                 }
 127
 128                 $nicks = implode(',', $nicknames);
 129
 130                 // get user records for all potential page delegates who are not already delegates or managers
 131                 $r = q("SELECT `uid`, `username`, `nickname` FROM `user` WHERE `nickname` IN ($nicks)");
 132                 if (DBA::isResult($r)) {
 133                         foreach ($r as $rr) {
 134                                 if (!in_array($rr['uid'], $uids)) {
 135                                         $potentials[] = $rr;
 136                                 }
 137                         }
 138                 }
 139         }
 140
 141         settings_init($a);
 142
 143         $user = DBA::selectFirst('user', ['parent-uid', 'email'], ['uid' => local_user()]);
 144
 145         $parent_user = null;
 146
 147         if (DBA::isResult($user)) {
 148                 if (!DBA::exists('user', ['parent-uid' => local_user()])) {
 149                         $parent_uid = $user['parent-uid'];
 150                         $parents = [0 => L10n::t('No parent user')];
 151
 152                         $fields = ['uid', 'username', 'nickname'];
 153                         $condition = ['email' => $user['email'], 'verified' => true, 'blocked' => false, 'parent-uid' => 0];
 154                         $parent_users = DBA::select('user', $fields, $condition);
 155                         while ($parent = DBA::fetch($parent_users)) {
 156                                 if ($parent['uid'] != local_user()) {
 157                                         $parents[$parent['uid']] = sprintf('%s (%s)', $parent['username'], $parent['nickname']);
 158                                 }
 159                         }
 160                         $parent_user = ['parent_user', '', $parent_uid, '', $parents];
 161                 }
 162         }
 163
 164         if (!is_null($parent_user)) {
 165                 $parent_password = ['parent_password', L10n::t('Parent Password:'), '', L10n::t('Please enter the password of the parent account to legitimize your request.')];
 166         } else {
 167                 $parent_password = '';
 168         }
 169
 170         $o = Renderer::replaceMacros(Renderer::getMarkupTemplate('delegate.tpl'), [
 171                 '$form_security_token' => BaseModule::getFormSecurityToken('delegate'),
 172                 '$parent_header' => L10n::t('Parent User'),
 173                 '$parent_user' => $parent_user,
 174                 '$parent_password' => $parent_password,
 175                 '$parent_desc' => L10n::t('Parent users have total control about this account, including the account settings. Please double check whom you give this access.'),
 176                 '$submit' => L10n::t('Save Settings'),
 177                 '$header' => L10n::t('Delegate Page Management'),
 178                 '$delegates_header' => L10n::t('Delegates'),
 179                 '$base' => System::baseUrl(),
 180                 '$desc' => L10n::t('Delegates are able to manage all aspects of this account/page except for basic account settings. Please do not delegate your personal account to anybody that you do not trust completely.'),
 181                 '$head_delegates' => L10n::t('Existing Page Delegates'),
 182                 '$delegates' => $delegates,
 183                 '$head_potentials' => L10n::t('Potential Delegates'),
 184                 '$potentials' => $potentials,
 185                 '$remove' => L10n::t('Remove'),
 186                 '$add' => L10n::t('Add'),
 187                 '$none' => L10n::t('No entries.')
 188         ]);
 189
 190
 191         return $o;
 192 }