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