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