mod/delegate.php

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